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Patent US5236673 - Ozonation system for treatment of water in cooling towers - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn improved system for treatment of cooling tower water using ozone as a biocide. A self-contained unit is supplied with compressed air which is introduced to ozone generating electrodes at a constant flowrate. The ozone is mixed with tower water and then returned to the cooling tower. A sampling probe...http://www.google.com/patents/US5236673?utm_source=gb-gplus-sharePatent US5236673 - Ozonation system for treatment of water in cooling towersAdvanced Patent SearchPublication numberUS5236673 APublication typeGrantApplication numberUS 07/685,544Publication dateAug 17, 1993Filing dateApr 15, 1991Priority dateApr 15, 1991Fee statusLapsedPublication number07685544, 685544, US 5236673 A, US 5236673A, US-A-5236673, US5236673 A, US5236673AInventorsTimothy G. Coakley, Alfred J. Horton, Jr., Bruce E. KaplanOriginal AssigneeReztek International, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (9), Referenced by (20), Classifications (16), Legal Events (14) External Links: USPTO, USPTO Assignment, EspacenetOzonation system for treatment of water in cooling towers
US 5236673 AAbstract
1. An apparatus for controlling the condition of cooling tower system water, comprisingone or more ozone generator electrodes having inner and outer concentric electrode tubes, a concentric dielectric tube therebetween creating an annular space between said dielectric tube and outer electrode tube for the passage of oxygen-containing air for conversion of a portion of said oxygen to ozone and first and second opposed end caps for supporting said electrode tubes and dielectric tube in a concentric orientation and for the entry of air into and exit of ozone-containing air from said annular space; means for providing dry, filtered input air at a depressed dewpoint and at constant flowrate to the first end caps of said electrodes; sensor means for determining the oxidation-reduction potential of a water sample obtained from the system; means coupled to said sensor means and to said ozone generator electrodes for maintaining the oxidation-reduction potential of said cooling tower system water at a target level in the range of about 550 to 6750 mv by comparing the determined oxidation-reduction potential with said target value and controlling the production of ozone in response thereto to allow the generation and maintenance of containment oxidation by-product secondary biocides at an elevated level; means for combining the ozone produced by said electrodes with a portion of said cooling tower system water for return of resulting ozonated water to the system for introduction of the ozone thereto; and means for monitoring the flow of said input air and the output of said electrodes whereby an alarm condition is indicated if said flow or output depart from established parameters. 2. The apparatus of claim 1, wherein said flow monitoring means comprise at least one pressure responsive sensor.
3. The apparatus of claim 2, whereby said monitoring means and said sensor means comprise a microprocessor.
4. The apparatus of claim 3, wherein said monitoring means includes means for overriding said alarm condition upon system start-up.
5. An apparatus for controlling the condition of cooling tower system water by variable ozonation to maintain the level of intermediate biocides at a desired elevated level, comprisingmeans for monitoring the oxidation-reduction potential of at least a portion of the cooling tower system water; ozone-generating means for generating ozone and introducing said ozone generated into said water; and control means coupled to said monitoring means and said ozone-generating means for maintaining the oxidation-reduction potential of said water at a target level in the range of about 550 to 650 my to promote the generation and maintenance of secondary biocides by adjusting the production of ozone by said ozone-generating means in a continuous manner in response to the oxidation-reduction potential sensed by said monitoring means. 6. The apparatus of claim 5, wherein said control means is adapted to maintain the oxidation-reduction potential in the range of 550 to 650 mV.
7. An apparatus for fostering the development and maintenance of secondary biocides in the water of a recirculating cooling water system, comprisingconduit means for removing a portion of the cooling water from the system for ozone treatment and returning the treated water to the system for blending with the contents thereof; means for monitoring the oxidation-production potential of said removed portion prior to the ozone treatment thereof; electrode means for generating ozone from the oxygen of ambient air passed through the electrode means, the output of said electrode means including said generated ozone; control means coupled to said monitoring means and said electrode means for maintaining the oxidation-reduction potential of said cooling system water at a target level in the range of about 550 to 650 mv to maximize the generation and maintenance of intermediate biocide products of the oxidation of water contaminants by adjusting the production of ozone by said electrode means in response to the oxidation-reduction potential value sensed by said monitoring means; and means for combining at least a portion of said removed portion of cooling system water with the ozone-containing output of said electrode means. 8. The apparatus of claim 7, wherein said electrode means are connected to a voltage source of approximately 860 hz.
9. The apparatus of claim 8, wherein the ozone production level of said electrodes is varied by adjusting the voltage applied to said electrodes.
10. The system of claim 9 including means for providing ambient air to said electrodes at a constant flow rate.
11. The apparatus of claim 7 further comprising means for passing said ambient air through said electrode means at a constant rate, and means for providing a varying voltage to said electrode means to control the ozone concentration of the output of said electrode means.
12. The apparatus of claim 11, wherein said control means is coupled to said electrode means by way of said means for providing a varying voltage.
13. The apparatus of claim 7, wherein said control means comprises means for adjusting the production of ozone as a function of the difference between the oxidation-reduction potential monitored by said monitoring means and said target level.
14. The apparatus of claim 13, wherein said control means further includes means to adjust the production of ozone in a continuous manner.
This invention relates to an improved ozonation system for treatment of cooling tower water typically utilized in conjunction with the operation of large-scale cooling and air-conditioning equipment and, more particularly, pertains to significant advances in the efficient operation of an ozone generation system keeping it at optimal operation condition, protecting the ozonation system, and informing others of problems within the system.
Ozone has been used in the treatment of drinking water for more than 100 years. While there is much literature on the subject, the more modern work done with ozone is summarized in an article by Maurice Ogden of Water Treatment Corp. appearing in the June, 1970 issue of "Industrial Water Engineering". This article discusses the use of ozone to treat water. It mentions an ozone treatment plant built and put into operation in 1949 by the Philadelphia Water Works, and reviews advances in acid-resistant materials for air conditioning systems and breakthroughs in electrical circuitry design allowing for the development of a more efficient ozone generating unit.
U.S. Pat. No. 4,172,789, issued Oct. 30, 1979, discloses the type of structure described in the above article, namely a water tower with means to generate ozone, mix the water tower water with the generated ozone, and then return the ozone enriched water to the tower.
H. Banks Edwards discusses the use of ozone as "an alternate method of treating cooling tower water" in the Journal of the Cooling Tower Institute, Vol. 8, No. 2, 1987, page 10. Edwards illustrates a more sophisticated cooling tower than that of the '786 patent. The article discloses dividing the water coming from the tower so a sample portion goes back into the tower while the remaining portion is ozone enriched.
A paper was presented on "Ozone Treatment of Cooling Water: Results of a Full-Scale Performance Evaluation" at the 1989 Cooling Tower Institute Annual Meeting by G. Darell Coppenger, Benjamin R. Crocker, and David E. Wheeler. The paper also verified the many benefits of oxygenation. It shows (FIG. 3, page 21) the use of a personal computer to operate the system and means to monitor the quality of the water and the voltage potential across an ozone sensing probe.
Further developments are illustrated in the catalog of Ozonair International Corp. of South San Francisco, Calif., which illustrates specially designed sensor electrodes with solid state and transistorized circuitry. Another sophisticated example is the ozone self-contained injection system of Prosys of Chelmsford, Mass.
All of these systems, while feasible and performing in the field, do not develop a sufficient volume of ozone for the number of electrodes. They do not provide true commercial benefits.
A principal object of the present invention is to provide a new and improved ozonation system to treat cooling tower water.
Another object of the present invention is to provide a self-contained ozonation unit with an advanced electrode design capable of providing substantially increased levels of ozone at a reduced cost.
Yet another object of the present invention is to provide an ozonation unit with the ability to monitor the ozone levels in water leaving the cooling tower and adjust the amount of ozone entering the system on a continuous basis.
Still another object of the present invention is to provide a unit of the character described having a control system which constantly test various parameters of the system, to provide appropriate signals upon development of operational problems.
Still a further object of the present invention is to make an ozone treatment system which is practical in operation.
Still another object of the present invention is to provide a unique design of electrode which is comparable in dimensions to current electrodes but results in vastly improved ozone generating efficiency.
Still yet a further object of the present invention is to provide a unit of the character described which is inexpensive and simple to manufacture and yet durable in use.
The present invention consists of a self-contained microprocessor-controlled ozonation unit incorporating a unique ozone-generation electrode. A first air inlet supplies compressed air at approximately 100 psi which is filtered and dried, resulting in a highly depressed dewpoint. The filtered and dried air is dropped in pressure from 100 psi to approximately 3 psi, the dewpoint correspondingly dropping to about -140� to -160� F. The air then passes through a flowmeter which controls the volume of air directed to ozone-generating electrodes of the unit. The electrodes excite the oxygen in the air from its stable form (O2) to its unstable (O3) ozone form.
The unique electrode consists of a central electrical connecting rod which is supported by insulating inserts at its proximal end points within a cylindrical metallic outer tube. An inner concentric conductor tube is electrically connected to the central connector rod. A tubular silicon dielectric material is placed between the inner and outer tubes and is spaced from the outer tube. The inner surface of the outer tube and the outer surface of the silicone dielectric form an air gap across which a high voltage potential is placed, causing corona discharge which converts the oxygen in the air gap to the ozone form.
Air is introduced into the electrode air gap by means of a series of holes which, in conjunction with the construction of the dielectric, cause a spiral air flow through the electrode. Because of this spiral flow, the air remains within the electrode for a greater length of time than with a direct flow, allowing for a greater degree of ozone production. The air exits the electrode through a similar arrangement of holes at the second end. The ozone enriched air that emerges from the electrode carries approximately 500 percent more ozone than similarly dimensioned prior art structures.
The computer-based control system includes an oxidation-reduction potential (ORP) probe which monitors the ORP level of the tower water. A controller adjusts the voltage applied to the electrodes on a continuous basis to provide a varying ozone production. The ozone production level is proportional to the oxidation-reduction potential sensed by the ORP probe, such that the ORP of the water, which is indicative of the level of all oxidants present in the water including ozone, ozonides, secondary biocides, chlorine present in the make-up water, aldehydes and the like, is maintained at a proper level. The system also monitors the protective devices of the unit, issuing appropriate alarm signals when an out-of-range condition is experienced. The alarm signals may be broadcast both locally and remote to the system.
When the ORP is in the proper range, as maintained by the present system, organic material present as water contaminants in the system, which can cause the attachment of scale to the fluid contacting surfaces (tower, lines, etc.) of the air conditioning/cooling system to which the water supply is connected, are effectively and continuously oxidized and rendered incapable of fouling the system. The water system thus can operate for longer periods without maintenance and without the necessity of flushing and disposal of accumulated sludge.
In distinction to the prior art, the present invention provides an ozone level of 0.03 to 0.07 ppm, which allows secondary biocides, such as aldehyde soaps formed from the reaction between ozone and contaminants in the water, to remain active. This maintains a positive residual for several days in the event of system shutdown. By maintaining an ORP in the range of 550-650, offgassing of ozone from the water which occurs at elevated ORP levels is avoided, thus providing improved environmental benefits and eliminating the risk of corrosion due to the effects of ozone gas.
The water subject to treatment is drawn from the cooling system's water tower by a pump and is divided, a portion of which being directed to a venturi which draws the ozone-enriched air exiting from the electrodes into a venturi and blends the air and water portion together. The air-water blend is combined with the remaining portion of the drawn water by a motionless mixer, and is returned to the water tower. The ORP probe constantly monitors the untreated water portion to ascertain the ORP and thus the level of total oxidants present, the system constantly adjusting the electrode voltage, either reducing, increasing, or stopping ozone production as required to maintain the monitored water at the correct ozone level.
FIG. 1 is a front elevational view of a unit comprising our invention;
FIG. 2 is rear elevational view of the same unit;
FIG. 3 is a schematic showing the principal mechanical elements within the unit;
FIG. 4 is a schematic of the electrical elements within the unit;
FIG. 5 is a block diagram of an inverter used in the invention;
FIG. 6 is a side elevational view of an electrode, partly in section and partly cut away;
FIG. 7 is an enlarged cross sectional view of the left end of the electrode taken along the line 7--7 of FIG. 6;
FIG. 8 is an enlarged cross sectional view of the right end of the electrode taken along the line 8--8 of FIG. 6;
FIG. 9 is an enlarged cross sectional view of the arrangement of the holes at the left end of the electrode taken along the line 9--9 of FIG. 7;
FIG. 10 is a schematic showing air travel through the electrode;
FIG. 11 is a cross sectional view taken along the line 11--11 of FIG. 6;
FIG. 12 is an enlarged cross-section view of the central portion of the electrode detailing the connection between the central rod and inner tube;
FIG. 13 is a further enlarged cross-sectional view showing the structure of the electrode air gap; and
FIG. 14 is a block diagram of the controller of the invention.
Turning in detail to the drawings and initially to FIGS. 1 and 2, there is shown an ozonation treatment unit 10 containing our new improved ozone generator. The cabinets 12, 14 and 16 house the electrical components required for system operation. The cabinets and associated mechanical gear are mounted on a stand and pedestal frame 18. The electrodes (not shown) which produce the ozone are mounted horizontally, while the water to be treated is pumped by pump 22 and is treated within the piping generally indicated a 24. Protective gratings 26 are utilized as required to further isolate portions of the apparatus.
As shown in the flow diagram of FIG. 3, atmospheric air is compressed by compressor 28 up to approximately 100 psig at a 5 scfm flow rate. The compressed air is then delivered to a pressure regulator 30 and then to water pre-filter 32 to remove the bulk of the moisture from the compressed air. The treated air is then passed through oil removal pre-filter 34. Both the pressure regulator and the filters are available from SMC Lakewood, N.J. The double-treated air, still at approximately 100 psi, is then passed to a heatless regenerative air dryer 36. The dryer contains a desiccant which purges itself approximately every four minutes, such as the Model No. DWH-5, manufactured by Hankison of Pittsburgh, Pa. At this point the air is still at 100 psi, but it has a -100� F. dewpoint.
The dried air is then passed through after-filter 38 which removes any dust and particulate matter that the air may have picked up from the desiccant in the air dryer 36. The after filter may be the SMC Model No. NAFD3000-NO. 3. Pressure regulator 40 then drops the pressure from 100 psi to approximately 3 psi. The dewpoint also drops to between -140� to -150� F. An acceptable regulator is also available from SMC as Model No. R05-02-000.
Flowmeter 42 controls the volume of air directed to the electrodes 20. The number of electrodes may be varied depending on the volume of air to be treated. The flow rate through the electrodes is constant, irrespective of the level of ozone produced. A typical flowmeter is made by Dwyer of Michigan City, Ind., Model No. RMA-9-SSV. There may be four, eight or twelve electrode assemblies 20, depending upon how much ozone has to be produced to properly treat the volume of water in the water tower. The ozone-enriched air exits the electrodes via a conduit 44 as will be explained.
A water pump 22 draws water from the water tower 46 via a conduit 48. The water exits pump 22 via conduit 50 to a venturi nozzle 52 where the water is accelerated, the resulting pressure drop drawing the ozone-enriched air in from the conduit 44. A typical venturi is manufactured by Mazzi of Bakersfield, Calif., under Model No. 1584A (Kynar). A portion of the water from the tower 46 bypasses the venturi via conduit 54 and rejoins the ozone-enriched water at connection 56. The combined stream passes into a motionless mixer 58 to ensure complete dispersal of the ozone throughout the water. An acceptable mixer is manufactured by Koflo of East Dunder, Ill., Model No. 11/2-80-4-3U.-1. Treated water is then returned to the water tower 46.
One of the principal features of invention is the novel structure for the ozone generator electrode assemblies 20. As can be seen in FIGS. 6-13, the ozone generator consists of a plurality of electrodes 20 each having an outer tube 60 with a left proximal end 62 detailed in FIG. 7 and a right distal end 64 detailed in FIG. 8. Positioned within and spaced from the inner surface 66 of the outer tube is a silicone tube 68 (FIGS. 6 & 7) defined by an outer surface which is formed of wrapped fiberglass and silicone stripping 70 (FIG. 13) defining a spiral configured leading edge or step 72 advancing diagonally to the upper right through the electrode as seen in FIG. 6. This spiral edge causes the air to travel in a swirling pattern as it travels through the electrode, as depicted in FIG. 10, thus increasing residence time in the electrode. A Flex tab 7701-150 silicone Turbo Tube is preferred for use as the tube 68.
The outer tube 60 and silicone tube 68 are so dimensioned as to leave a gap 74 between the outer tube inner surface 66 and the silicon tube spiral wrap outer surface 70, as best seen in FIGS. 11 and 13. The gap varies somewhat because of the spiral wrapping, but it averages slightly less than 1/16 of an inch. It has been found this provides a maximum efficiency for the production of ozone, although it may not be the only commercially acceptable width.
Positioned within tubes 60, 68 and having an axis concentric with both tubes is a center, inner tube 76 (FIG. 7), having an outer surface 78. A solid metallic center plug 80 (FIG. 12) is positioned within the center tube 76 and includes a coaxial centered, threaded bore 82. The plug is positioned at approximately the middle of the center tube, equidistant from each end. Once it is so located, a hole 84 through the wall of the center tube 76 and a radial bore 86 in the insert are aligned. A pin (not shown) is then placed within the hole and bore to fixedly position the two elements.
A left end cap 88 (FIG. 7) is specifically designed for the proximal end of the electrode. The cap, formed of PVC or other insulating composition, has an outer end wall 90 having a plurality of corona-minimizing circular grooves 92 and an outer side wall portion 94 of cylindrical configuration and of somewhat greater diameter than the outer diameter of the outer tube 60. The wall portion 94 also includes a plurality of the grooves 92. The rightmost end of the outer side wall portion 94 terminates in a shoulder 96 which defines one side of a deep radial groove 98. The groove 98 supports a sealing system for the electrode 20. The groove 98 is defined by shoulder 96 and, at its other end by wall 100 which, with opposed shoulder 102, defines a circular step portion 104 whose outer diameter approximates the inner diameter of the outer tube 60. A third step portion 106 is of lesser diameter than the inner diameter of the outer tube 60. This step portion bears a series of radial bores, such as bore 108 seen in FIG. 7, which pass the pressurized air into the space between the outer tube 60 and silicone tube 68, as will be discussed. The end cap 88 terminates at its interior end with fourth and fifth step portions 110, 112, each of lesser diameter than its predecessors. Fourth step 110 is of a diameter chosen to contact and support the inner surface of the silicone tube 68, while fifth step 112 similarly supports the inner surface of the end of center tube 76. An O-ring 164 in radial groove 114 in the step 112 seals the center tube to the cap.
The outer and center tubes 60 and 76 are preferably of nickel-plated aluminum. The outer tube may have an outer diameter of 2 inches with a 0.065 inch wall thickness, while the inner tube is of 0.058 inch wall thickness and a 1.5 inch outer diameter. The silicone tube is of nominal 0.095 wall thickness, with a 1.5 inch inner diameter. The length of the outer tube is 17.125 inches, the outer tubes being sized proportionally.
A sealing system located within the groove 98 includes a generally L-shaped silicone gasket 116, one leg 124 of which occupies a part of the groove. The remainder of the groove is filled by an O-ring 118. The gasket 116 has a notch 120 located at the intersection of the legs 122, 124 of the "L", whose width is chosen to firmly grip the end of the outer tube 60. The O-ring 118 and the gasket 116 form a sufficiently tight seal to prevent leakage of any ozone enriched air from the electrode.
In order to permit the passage of air into the space defined between the outer tube 60 and the silicone tube 68, a longitudinal bore 126 in the cap 88 passes in from its outer end wall 90. The bore has a threaded portion 128 to accept a mating connector.
As seen in FIG. 9, the bore 126 connects with a series of transverse bores in the end cap, each of which terminate at the stepped portion 106. Bore 126 intersects with chordal throughbore 130 having opposed ends 132, 134 and perpendicular radial bore 108 bearing end 136 as seen in FIG. 7. The chordal bore 130 also joins with the ends of a pair of parallel chordal bores 138, 140 perpendicular thereto, whose distal ends form yet another pair of exits 142, 144. Accordingly, the bores 108, 130, 138, and 140 provide a series of passageways connected to bore 126 and which all terminate in the stepped portion 106 to provide an entranceway path for the air entering the electrode. While a single hole or any arrangement of holes will introduce the air into the intra-tube air gap 74, we have found that arrangement as disclosed herein appear to present an optimal introduction of air to the gap. In particular, such introduction occurs with the diameter of exits 132, 134 and 136 being 0.0625 and diameter with exits 142, 144 being 0.1875 inch diameter.
The end cap 88 further includes a main throughbore 146 in which a cylindrical, rod-supporting insert 148 (FIG. 7), preferably made of teflon, is placed. Passing inwardly from the distal end wall 150 of the insert is a blind bore 152 which communicates with concentric throughbore 154. The end wall 150 of the insert is aligned with the end wall 90 of the end cap 88 to present a smooth, substantially common end surface. This alignment may be maintained by a pin 156 passing through aligned radial throughbore 158 in the cap 88 and blind bore 160 in the insert 148. An appropriate notch (not seen may be placed in the end of the center tube 76 to provide clearance for the pin.
Positioned at the right end of the outer tube 60 is a right end cap 162 and associated elements. It is identical to the left end cap except that it is rotated about the longitudinal axis of the electrode so that it is in a position 180� opposite the position of the left end cap. Thus, the exit ports 130, 132, 136, 142 are in opposite and inverted orientation to those in the left end cap. The ozone-enriched air passes out of the electrode exits through these opposite locations. Ozone is generated by the creation of a high-voltage electrical field between the center and outer tubes 60 and 76.
Current is introduced into the electrode by a pair of central electrical connecting rods 166, 166' which extend between the two end caps and which are joined together at the plug 80, best seen in FIG. 12. Each of the rods are provided with first threaded end portions 168 which mate with the threaded bore 82 in the plug. The rod 166 extends through the teflon insert 148 of left cap 88, as seen in FIG. 7, to provide an electrical connection terminal. Its distal end includes a threaded portion 170 which passes out through the blind hole 152 and beyond the end wall 150. The rod 166 is maintained in proper position by washer and nut assembly 172. A threaded end seal 174, preferably of teflon and having a central bore for the rod is then placed within the blind hole, leaving the end of the rod exposed for electrical contact. The right side rod 166' is somewhat shorter than the left rod, such that it terminates within the blind hole 152 in the right side cap, as shown in FIG. 8. Its threaded end 176 is similarly affixed with a washer and nut assembly 172, the blind hole at this end being capped by solid threaded teflon cap 178. The outer tube 68 serves as the opposed electrical connection for the electrode, it being mounted in a conventional manner in an electrical connector which also serves as the holder for the electrode.
Another feature of the present invention is a series of safety devices which protect the system and allow the system to operate in a remote location, preferably proximate the water tower. Among the features that allow this to occur are a plurality of safety control systems. . Turning to FIGS. 3 and 4, the first feature is an air pressure safety switch 180. As air is the raw material for ozone production, an insufficient airflow lessens or halts ozone production and can result in unnecessary wear and perhaps damage to the electrode dielectric. Furthermore, the air dryer 36 will not work properly if there is an insufficient supply of compressed air coming into the system. Accordingly, air pressure safety switch sensor 180 is located on the air supply conduit just before the compressed air enters the pressure regulator unit 40. If the air pressure sensor reads an air pressure of less than 30 psi, the system will automatically shut down, and will not restart until the air pressure sensor reads a pressure of 30 or more psi. In addition to the system shutting down, an alarm is energized by means of a light or an audible sound in order to alert an operator that there is a problem within the system.
The second safety feature is vacuum switch 182. A sensing line 186 connects to the output conduit 44 from the electrodes 20. If the switch does not read a vacuum of approximately 20 inches of mercury, it is an indication that the venturi 52 has shut down. If this occurs, the switch automatically turns off the system. The lack of the proper vacuum suggests that the pump inlet filter is clogged, the lines to the tower are blocked, or the pump 22 has shut down for some reason. The switch will therefore shut the whole system down until such time as the alarm condition has been cleared. In the case of a drained-down tower, the system will sense the absence of water and thus automatically protect the ozone generator and treatment system.
The next safety feature is the door switch 188 (FIG. 4). The panel 12 provides access to the electrodes 20 as seen in FIG. 1. If this door is open, switch 188 opens. As there is high voltage present in the generator cabinet, the door switch minimizes the risk exposure of a person to such voltages.
Positioned upstream of the air pressure sensor 180 is pressure sensor 192 FIG. 3) which monitors the operation of filters 32, 34, and 38. A filter discharge pressure drop on the outport line from after-filter 38 to a predetermined level, such as 80 psi, indicates that one or more of the filters may be plugged or otherwise not be functioning properly. Therefore, this pressure sensor is set to trigger an alarm before alarm 180 operates. When this alarm sounds, the filters can be checked to make certain they are working properly. This may require routine maintenance of filter elements. With a further reduction in pressure, sensed by alarm 180, the system will shut down.
The next safety feature is the solenoid valve 194 in electrode output line 44. If the system shuts down for any reason, the solenoid valve will automatically close the conduit. This prevents water which might back up from the venturi system into line 44 from reaching the electrodes. The valve will remain in its closed state until such time as the alarm condition has been removed.
The next safety feature is an emergency stop switch 196 (FIG. 4) which includes a large actuator 198 on the front panel of cabinet 14 of the unit 10 as seen in FIG. 1. Depressing the switch removes electrical power from the entire system. In addition, an electrical disconnect mounted at the rear of the main cabinet removes all power to permit safe inspection and maintenance of the unit.
The final safety system operates in conjunction with the oxidation reduction potential probe 200, whose operation will be discussed infra in connection with ORP controller 202, shown in FIG. 14. When the user first initiates operation of the system the oxygen-reduction potential of the water is typically at an unsatisfactory level, which would normally cause the system to enter an alarm state as issued by controller 202 passing a signal to sensor interface 206. A bypass override switch 210 allows the alarm to be overridden during this initial period. The controller will allow the generation of ozone at the maximum level until the oxidation-reduction potential in the tower water reaches an acceptable level. Once the system is operating within the desired parameters, the bypass switch is turned to the normal position. The alarm system is then operative.
After the initial phase, when the sampling probe 200 senses a drop in ORP in the water coming from the water tower to a point below the alarm set point, the alarm system will be triggered, subject to a programmed 1.5 hour delay. Sometimes a significant amount of an organic contaminant will be introduced in the water, such as leaves being blown into an open-top water-tower during a windstorm. Under these conditions the system has to be given time to increase its ozone production to compensate for the additional impurities. If, after an hour and a half the ORP has not reached the proper level, the alarm system will set off a visual and/or audible alarm at 208. The system will continue to operate, however. If the alarm is not answered in an additional two hours then the system will shut down although the alarm will continue to remain active.
A watchdog portion of controller 202 compares consecutive ORP readings. In the event of a fouled or dirty probe, the ORP readings will remain constant for an extended interval, such as 1 hour. In such a case, an alarm signal is sent to a chosen remote location on an RS 422 or 232 interface, while ozone output is automatically reduced to zero. Similarly, if the ORP probe fails, the controller will send an appropriate signal, while halting ozone production as required.
Description of Electrical Circuitry
Electrical power comes into this system through Lines L1, L2 which provide 240-volt, single-phase power, each 120 volts to ground or neutral Lo. In order to protect the system against power surges, a circuit breaker 212 is positioned at the entrance to the electrical system. One hot leg, such as L1, carries each of the switch/sensors, in series, such that each sensor can control the system.
Power is supplied through line L1 to main contactor relay 214, which controls the application of full 240 volts to the pump 22, system cooling equipment 216, and to invertor 218 which powers the bank of electrodes 20. The differential pressure switch 192 activated by the three filters 32, 34, 38 is not in series with the contactor, as its activation does not result in a system shutdown. Upon a pressure drop of the predetermined amount the switch 192 is activated, sending an alarm signal to sensor interface circuit 206. This results an audible or visual alarm at 208. If the failure escalates pressure sensing switch 180 becomes energized, causing system shutdown.
Invertor 218 provides the high voltage AC required for operation of the electrodes. As shown in FIG. 5, the invertor utilizes a 0-1 volt dc output from controller to provide a nominal 0-220 volt output. The input is directed to a comparator 220, which compares the input to a reference voltage generated by converter 222 which senses the output of the invertor. Comparator 220 generates an error signal output which is used to vary the amplitude of a 870 hz signal produced by oscillator 224. After appropriate filtering at 226, the control signal is applied to pulse width modulator 228, which modulates a rectified 220 volt input in bridge circuit 230. The output on lines 232, 234 is a variable 0-220 volt ac signal at 870 hz. It has been found that optimal oxygen-ozone conversion occurs at this frequency of applied voltage.
The output of invertor 218 on lines 232, 234 may be monitored by ammeter-voltmeter pair 236 and protected by circuit breaker 338. The voltage drives high voltage transformer 240, having a nominal 10,000 volt output at 220 volt input, its high voltage output being used to energize the electrodes 20.
The control voltage for the invertor 218 is generated by ORP controller 202, whose input is generated by oxygen-reduction potential sensing probe 200, which is of known construction, as exemplified by the Sensorex model S220CD. The output of the probe varies in a range of approximately 0-1000 mV, depending primarily on the ozone concentration of the sample, although other constituents, primarily chlorine, may affect its value. Chlorine, however, is short-lived, and in a recycling system where the water is not substantially replenished, the ORP reading is a significant indicator of ozone concentration. The probe output is utilized by the controller to place the control voltage on lines 242, 244 which corresponds to an invertor output of between approximately 90 and 180 volts, inversely proportional to the probe output. In general, an output voltage of approximately 125-150 volts across the transformer 240 primary is required to generate ozone, depending on the specific flowrate and construction variables. Thus, an invertor output of 90 volts corresponds to a virtual zero ozone output.
The controller 202 of the present invention, depicted in FIG. 14, is a microprocessor-driven unit which interfaces the ORP probe and invertor and provides the control mechanism for operation of the ozone-producing electrodes. In particular, the microprocessor CPU 246 is provided with an appropriate interface 248 with the ORP probe, whose output is typically a 0-1000 mv dc signal. A keypad 250 for programming and entering data, is also provided. The CPU 246 also controls main digital display 254, which displays the ORP value sensed by the probe 200, a set point display 256, which indicates the targeted ORP and status indicators 258 which set forth the condition of the controller. An alarm relay output 260 provides ORP-derived alarm signals to the audio and/or visual alarms 208 through sensor interface 206, while auxiliary relay control output 262 allows a remote alarm output to be provided. In addition, the controller includes an RS-422 or equivalent interface 264 which allows interconnection with a telephone line. The controller is configured as known in the art, using appropriate programs stored in read-only memory 266 and/or programmable readonly memory 268.
In addition to display of the ORP and setpoint readings, the controller calculates the 0-1 volt output at control output 270 provided to inverter 218. Ozone output is inversely proportional to ORP, as contaminants lower the ORP to below the desired level.
Typically the ORP of water is in the range of 0-1000 mV, and it has been determined that an ORP of 650 mV resulting from ozonation provides an optimal level of organic oxidation. Thus, a setpoint in the range of 650 mV is chosen.
Alarm override switch 210 provides the alarm disable signal to prevent an alarm upon start-up. An appropriate status indicator 258 will indicate the override mode, as well as the alarm condition overridden. Setpoint switch 272 activates the watchdog system to guard against sustained constant ORP probe readings which might indicate probe problems. The system can be activated or disabled as desired. The electrodes are designed to operate at a transformer 240 primary current of 7.5 amps, which yields an ozone output of 30 grams/hr. By providing multiple electrodes, sufficient ozone production may be reached for any size cooling tower.
The controller is provided with operating power through 120v supply system 274, which is connected to line L1 (FIG. 4) before the safety system such that it remains powered in the event of a system shutdown. This allows an appropriate alarm signal to be generated as required. While the sensor switches 180, 182, 188 and 196 are not connected directly to the controller, the operation of any of these switches, which leads to system shutdown, will have a prompt effect on the ORP sensed by the probe 200. This will result in an out-of-range condition being sensed by the controller, which will then activate the appropriate alarm outputs.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS3616355 *Aug 5, 1968Oct 26, 1971Kdi Chloro Guard CorpMethod of generating enhanced biocidal activity in the electroylsis of chlorine containing solutions and the resulting solutionsUS4172786 *Sep 29, 1978Oct 30, 1979NasaOzonation of cooling tower watersUS4417966 *Nov 12, 1981Nov 29, 1983Innovatron Krauss & Co.Apparatus and method of producing ozoneUS4640782 *Mar 13, 1985Feb 3, 1987Ozo-Tek, Inc.Method and apparatus for the generation and utilization of ozone and singlet oxygenUS4774062 *Jan 13, 1987Sep 27, 1988Alten CorporationCorona discharge ozonatorUS4869881 *May 3, 1988Sep 26, 1989Pillar Technologies, Inc.Ozone generator systemUS4872959 *Sep 30, 1987Oct 10, 1989Cleanup & Recovery Corp. (Cure)Electrolytic treatment of liquidsUS5106497 *Nov 7, 1990Apr 21, 1992Advanced Oxidation Systems, Inc.Ozone treatment system utilizing an air lift pump as a mixer and as a circulating meansUS5114576 *Oct 11, 1990May 19, 1992TrineosPrevention of contaminants buildup in captured and recirculated water systems* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS5332556 *Jun 4, 1993Jul 26, 1994Rez-Tek International, Inc.Ozone production electrode assemblyUS5518698 *Sep 10, 1993May 21, 1996Kamyr, Inc.Swirl flow ozone generatingUS5547584 *Mar 17, 1994Aug 20, 1996Electronic Drilling Control, Inc.Transportable, self-contained water purification system and methodUS5547644 *Sep 21, 1994Aug 20, 1996Electronic Drilling Control, Inc.Ozone generation systemUS5656246 *Oct 30, 1995Aug 12, 1997International Ecoscience, Inc.Contaminant destruction by oxidation processing via enhanced ozonationUS6077445 *Mar 3, 1998Jun 20, 2000Betzdearborn Inc.Method to minimize corrosion in aqueous systemsUS6190436 *Mar 5, 1999Feb 20, 2001The Boc Group, Inc.Ozone purification processUS6197091 *Mar 5, 1999Mar 6, 2001The Boc Group, Inc.Ozone purification processUS6752930 *Apr 11, 2002Jun 22, 2004Peter L. AlexanderChlorination apparatus and methodUS8673212 *May 25, 2011Mar 18, 2014Steris CorporationApparatus to decontaminate equipment containing internal channelsUS9315403Dec 4, 2013Apr 19, 2016Eldorado Biofuels, LLCSystem for algae-based treatment of waterUS20020170853 *Apr 11, 2002Nov 21, 2002Alexander Peter L.Chlorination apparatus and methodUS20100116780 *Jan 6, 2009May 13, 2010Jae Min MyoungMethod for patterning nanowires on substrate using novel sacrificial layer materialUS20110290034 *Dec 1, 2011Steris CorporationApparatus to decontaminate equipment containing internal channelsUS20120261354 *Oct 18, 2012Eco-Safe Systems Usa, Inc.Ozone purification system for liquid effluent and wastewater systemsEP1127846A1 *Feb 28, 2000Aug 29, 2001Siemens AktiengesellschaftProcess for reducing biological pollutants in a water circulation systemEP2131683A1 *Mar 21, 2008Dec 16, 2009Ronald Bruce LongMaintenance free oxidizer generation and application apparatus for environmental microbiological controlWO1995007233A1 *Jul 19, 1994Mar 16, 1995Kamyr, Inc.Swirl flow ozone generationWO2001064589A1 *Feb 9, 2001Sep 7, 2001Siemens AktiengesellschaftMethod for reducing biological contaminants in a water-bearing system and a water-bearing systemWO2007148954A1Jun 18, 2007Dec 27, 2007Diaz Gonzales Alcocer Juan JorMethod and integral system for treating water for cooling towers and processess requiring removal of silica from the water* Cited by examinerClassifications U.S. Classification422/186.07, 422/3, 422/28, 422/186.18International ClassificationC02F1/78, C01B13/11, A61L2/20Cooperative ClassificationC02F1/78, A61L2/202, C02F2201/782, C02F2103/023, C01B13/11, C01B2201/62European ClassificationC02F1/78, C01B13/11, A61L2/20CLegal EventsDateCodeEventDescriptionApr 15, 1991ASAssignmentOwner name: REZ-TEK INTERNATIONAL, INC., DRAWER T, WILD TURNPFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:COAKLEY, TIMOTHY G.;HORTON, ALFRED J. JR.;KAPLAN, BRUCEE.;REEL/FRAME:005680/0187;SIGNING DATES FROM 19910408 TO 19910411Mar 5, 1993ASAssignmentOwner name: RESNICK, WILLIAM A., NEW YORKFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:REZ-TEK INTERNATIONAL, INC.;REEL/FRAME:006452/0268Effective date: 19930225Apr 5, 1993ASAssignmentOwner name: REZ-TEK INTERNATIONAL, INC., NEW YORKFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:RESNICK, WILLIAM A.;REEL/FRAME:006481/0709Effective date: 19930331Jan 5, 1994ASAssignmentOwner name: REZ-TEK INTERNATIONAL CORP., MASSACHUSETTSFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:REZ-TEK INTERNATIONAL, INC.;REEL/FRAME:006816/0642Effective date: 19931231Mar 15, 1994CCCertificate of correctionMar 25, 1997REMIMaintenance fee reminder mailedAug 18, 1997SULPSurcharge for late paymentAug 18, 1997FPAYFee paymentYear of fee payment: 4Mar 13, 2001REMIMaintenance fee reminder mailedAug 14, 2001SULPSurcharge for late paymentYear of fee payment: 7Aug 14, 2001FPAYFee paymentYear of fee payment: 8Mar 2, 2005REMIMaintenance fee reminder mailedAug 17, 2005LAPSLapse for failure to pay maintenance feesOct 11, 2005FPExpired due to failure to pay maintenance feeEffective date: 20050817RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services


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I was very pleased with my stay. The hotel is very convenient to get to. Lots of places to eat nearby. The breakfast was good. I always like making my own waffle. The pool was clean and a good size. I would definitely stay here again.
Always a great, affordable stay
We've stayed here many times. The location and amenities are all great. Clean, friendly and good value for the money.

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SVP and RussilloScott Van Pelt and Ryen Russillo discuss overreactions to the Super Bowl. Plus they chat with Trent Dilfer and Jared Lorenzen.Download »
Live on ESPN RadioMLB: Mets at YankeesESPN RADIO LIVEMORE LIKE THISSVP and RussilloApr 24, 2015SVP and RussilloApr 23, 2015Best of Mike and MikeApr 24, 2015

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text: going. then came hurricane sandy that took the focus off romney in the final week of the campaign. romney had expected to win. earlier in the day, he told reporters he had written only one speech, a victory speech. >> it's about 1,118 words, and i'm sure it will change before i'm finished because i haven't passed it around to my family and friends and advisers to get their reactions. >> reporter: but in the end, he delivered a concession speech lasting just five minutes. >> i so wish that i had been able to fulfill your hopes to lead the country in a different direction, but the nation chose another leader. and so, ann and i join with you to earnestly pray for him and for this great nation. thank you and god bless america! >> reporter: now, you could really see the sadness on romney as he gave that speech last night. it was a hard-fought campaign, and as he said, he didn't leave anything on the table, but there's also something more. not only was this the end of the campaign for romney, but it's really the end of his political life. his wife, ann, said last night that he will not ×

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text: Antique Stock Certificate Almanac 2014: Antique Stock & Bond Price Guide by Fred Fuld III | 9781492748557 | Paperback | Barnes & Noble

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EdibleInkArt Sesame Street - Walmart.com
Electrode, Comp-719541781, DC-prod-az-southcentralus-14, ENV-prod-a, PROF-PROD, VER-19.1.31, SHA-771c9ce79737366b1d5f53d21cad4086bf722e21, CID-24ae4561-781-16e65b7e6243d0, Generated: Wed, 13 Nov 2019 17:03:01 GMT
A Birthday Place AKDSteel AME American Greetings Amscan Anagram Anchor Anime N Games Assortit Ballloooon Bigbolo Birthday Express Birthday Express Kits Blue Mountain Wallcoverings Bulk Buys C and S Party Supply COSTUME SUPERCENTER Cardinal Combined Brands Costume Supercenter Cricut DECOPAC DalvayDelights Delta Children Dinosaurs Disguise Disguise Costumes Disguise Inc ELMO Elmo Cookie Monster Enesco FBA Siliguri Venture Fathead Fisher-Price Forum Novelties Freeze Kids Fun Express Funko GUND Graphics and More Guaranteeing100percentnowTM HASBRO SESAME STREET HGC Hallmark Handcraft Manufacturing Corp. Hasbro INKUTEN International Greetings Jewelry by Sweet Pea Jim Henson Productions, Inc. Kids Preferred Kitchen Krush Knitwits Kurt Adler Licensed Licensed Products Loftus International MDM_PARTY MSS Mayflower Mayflower Distributing Mayflower Products Mighty Fine Morris Costumes NUK Nanco No Restock Nobleworks ONLINE Oriental Trading Company Overstock PLM Party City Pillow Pets Playskool Power Rangers RoomMates SINCE 1914 JOHNSON SMITH CO Sesame Street Sesame Street Company Sesame Street Sweaters Shindigz Silly Puppets SupriseItsMe Sweet Custom Cakes TradeMart Inc. Trevco Tyco Unbranded Unique Industries Various Wallhogs Whimiscal Practicality Wilton YA OTTA PINATA Zak Designs [P].[amz_brand] burton + BURTON sesame-street
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© 2019 Walmart. All Rights Reserved. To ensure we are able to help you as best we can, please include your reference number: ZD41Z3XPYY
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Electrode, Comp-814103564, DC-prod-az-southcentralus-18, ENV-prod-a, PROF-PROD, VER-19.1.31, SHA-771c9ce79737366b1d5f53d21cad4086bf722e21, CID-d033373b-497-16e65b90028763, Generated: Wed, 13 Nov 2019 17:04:13 GMT
Electrode, Comp-836867046, DC-prod-az-southcentralus-12, ENV-prod-a, PROF-PROD, VER-9.14.3, SHA-6fed2b54c66f3fc265c31d53ce13bd6d50847612, CID-97eba81f-8e1-16e65bae894eaf, Generated: Wed, 13 Nov 2019 17:06:18 GMT

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Identification and characterization of several dietary alkaloids as weak inhibitors of hedgehog signaling. - PubMed - NCBI
AbstractFormatSummarySummary (text)AbstractAbstract (text)MEDLINEXMLPMID ListApplySend to:Choose DestinationFileClipboardCollectionsE-mailOrderMy BibliographyCitation managerFormatSummary (text)Abstract (text)MEDLINEXMLPMID ListCSVCreate File1 selected item: 17728282FormatSummarySummary (text)AbstractAbstract (text)MEDLINEXMLPMID ListMeSH and Other DataE-mailSubjectAdditional textE-mailDidn't get the message? Find out why...Add to ClipboardAdd to CollectionsOrder articlesAdd to My BibliographyGenerate a file for use with external citation management software.Create File
See comment in PubMed Commons belowToxicol Sci. 2007 Dec;100(2):456-63. Epub 2007 Aug 28.Identification and characterization of several dietary alkaloids as weak inhibitors of hedgehog signaling.Lipinski RJ1, Dengler E, Kiehn M, Peterson RE, Bushman W.Author information1Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, WI 53703, USA.AbstractThe Hedgehog (Hh) signaling pathway plays an integral role in the patterning and development of diverse structures in the vertebrate embryo. Aberrations in Hh signaling are associated with a range of developmental defects including failure of interhemispheric division of the embryonic forebrain as well as midline facial dysmorphia including cleft lip/palate and cyclopia, collectively termed holoprosencephaly (HPE). Postnatally, Hh signaling has been postulated to play a pivotal role in healing and repair processes and inappropriate Hh pathway activation has been implicated in several types of cancers. The Veratrum alkaloid cyclopamine is a potent inhibitor of Hh signaling and causes HPE-like defects in diverse species including sheep, hamster, mouse, and zebra fish. Using murine cell-based assays, we have determined that a number of dietary alkaloids similar in structure to cyclopamine also inhibit Hh signaling but with significantly lower potency. We found that these dietary compounds act additively through a mechanism similar to cyclopamine, downstream of Ptc1 and upstream of Gli1. Using an embryonic zebra fish developmental assay, we found that while cyclopamine exposure caused HPE-like defects, exposure to one of these dietary compounds, solanidine, did not.PMID: 17728282 [PubMed - indexed for MEDLINE] Free full textSharePublication Types, MeSH Terms, Substances, Grant SupportPublication TypesResearch Support, N.I.H., ExtramuralMeSH TermsAbnormalities, Drug-InducedAlkaloids/chemistryAlkaloids/toxicity*AnimalsDiet*Diosgenin/chemistryDiosgenin/toxicityDose-Response Relationship, DrugEmbryo, Nonmammalian/drug effectsEmbryo, Nonmammalian/embryologyFibroblasts/drug effectsFibroblasts/metabolismHedgehog Proteins/antagonists & inhibitorsHedgehog Proteins/drug effects*MiceMolecular StructureNIH 3T3 CellsStructure-Activity RelationshipTranscription, Genetic/drug effectsVeratrum Alkaloids/chemistryVeratrum Alkaloids/toxicityZebrafishbeta-Galactosidase/metabolismSubstancesAlkaloidsHedgehog ProteinsVeratrum Alkaloidssolanidinebeta-GalactosidaseDiosgenincyclopamineGrant SupportDK065303-03/DK/NIDDK NIH HHS/United StatesT32 ES007015/ES/NIEHS NIH HHS/United StatesLinkOut - more resourcesFull Text SourcesHighWireOvid Technologies, Inc.Other Literature SourcesCOS Scholar UniverseMedicalDiets - MedlinePlus Health InformationMiscellaneousCYCLOPAMINE - Hazardous Substances Data BankPubMed Commons home

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Holmgren reacts to SB XL ref's admission1813dJames WalkerFormer Seahawks on refs in SB XL1815dJames WalkerMorning take: Troy Polamalu's return1819dJames WalkerWalker's (early) weekend mailbag1838dJames WalkerAP Photo/Al BehrmanAFC North roster bubbles1841dJames WalkerMorning take: Mike Tomlin staying steady1844dJames WalkerUS Presswire/AP PhotoAFC North offensive coordinators in focus1845dJames WalkerBrowns sign Bobby Engram1846dJames WalkerNFL Insiders2541dJames WalkerHolmgren reacts to SB XL ref's admission8/10/20100 SharesEmailComment
Joined ESPN in 2008Follow on Twitter0 SharesEmailPrintCommentBEREA, Ohio -- Former Seattle Seahawks coach Mike Holmgren admits that he still thinks about the outcome of Super Bowl XL. Seattle lost to the Pittsburgh Steelers, 21-10, in a game filled with questionable calls that went against the Holmgren-led Seahawks.More than four years later, referee Bill Leavy put Super Bowl XL back in the spotlight by recently admitting he blew some calls in the game. On Tuesday Holmgren, now president of the Cleveland Browns, reacted to the news."Of course I was disappointed at the time, and because it was the Super Bowl, I still think about it on occasion," Holmgren said. "But like anything in this business, if you let it linger it's going to have an adverse effect on what you do moving forward."We didn't play our best football that day. Had we played better and coached better, those calls might not have made a difference. Everyone is human and everyone makes mistakes, and you can't hold one person accountable for the final outcome of that game."Several former Seahawks applauded Leavy's admission but said the loss still stings."On a whole, unless they're going to come out and say 'Hey, here's the trophy and here's your ring,' it's not going to make a difference," Browns quarterback and former Seahawk Seneca Wallace said.Added former Seahawk Bobby Engram: "I hope [Leavy] feels better about himself. He's human and we all make mistakes. I'm sure he was trying his hardest, but it was difficult for us to overcome some of those missed calls."Holmgren led two different franchises -- Seattle and Green Bay -- to Super Bowls and is now in his first year attempting to turn around the Browns, who finished 5-11 last season.


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Something Fishy Inc.Net - Cleveland, OH | Groupon
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When your pet needs a heath check, you'll find many great medical services at Something Fishy Net, such as healthcare. No matter your pet's favorite, you can buy fantastic food and other items here such as bowls and other feeders. Get ready for a tail-wagging good time with so many entertaining pet toys from Something Fishy Net, including pet apparel and pet toys. Something Fishy Net has everything you need to make sure your little guy or gal is snug and safe in its own home, such as pet apparel and pet toys. If you're on the market for some new pet supplies, such as carriers, you can find a great selection of supplies here.
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US asks Pak to act tough against extremists | world | Hindustan Times
US asks Pak to act tough against extremists
The US today said it wants to work with Pakistan in fight against terrorism, but insisted Islamabad in a "clear message" has been asked to act against the extremist groups such as Haqqani network that operate from its soil.
world Updated: Sep 27, 2011 08:14 IST
The US on Tuesday said it wants to work with Pakistan in fight against terrorism, but insisted Islamabad in a "clear message" has been asked to act against the extremist groups such as Haqqani network that operate from its soil.
"The clear message that is being conveyed over the last week that we hope the Government of Pakistan would take steps against the militants located on the Pakistani side of the border, who carry out attacks against American and Afghan forces inside Afghanistan," Pentagon spokesman George Little told reporters.
Insisting that the lines of communication remain open with Pakistan, Little said the relationship is complicated but an essential one.
There is a need to find out ways to work together especially when it comes to terrorism as both countries have common interest in fighting terrorists. Both Americans and Pakistanis have been victims of terrorist attacks, he said.
"The Secretary of Defence was clear on Thursday in testimony (before a Congressional committee) that in terms of options that might be looked at to pursue militants, we are not going to discuss what options may or may not be," Little said.
Responding to questions about the recent series of high visibility attack, he said by doing so the terrorist outfits were trying to "create a perception" which was far away from reality.
"The bottom line is, it is this fighting season for the Taliban and insurgents in Afghanistan has been less effective. They are resorting to new tactics that resemble what we have seen in last several weeks and they have been able to...large scale offences," Little said.
"The insurgents are not as effective and they are doing this as a way to create the perception that they are having more success than that is actually happening," Little claimed.
The Pentagon spokesman said he is not aware of any "large scale" change in security cooperation between the US and Pakistan over the last week.
"No one should say, as I said last week that there is some kind of breach with the Government of Pakistan. We want to work together. We want to cooperate. Cooperation is very important for both countries," he said.
"There are disagreements and we discuss those very candidly with the Pakistanis. We hope to make progress in that front and will see how the relationship progresses," Little said.
One should not be surprised if the particulars of relationship changes over time, he added.
"The key message that is being conveyed is that the Pakistanis need to do more against the Haqqani network. Beyond that I will not go into any specifics," he said.
Assembly Elections 2017: Jaitley says BJP’s win reposes people’s faith in development Dec 18, 2017 22:15 IST

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Q&A with Kyle WilliamsGarry Paskwietz03/19/2006Kyle Williams enters spring ball for his senior season as the starting right tackle for the Trojans. In this interview, Williams talks about the opportunity available to him during spring, the status of the offensive line and a welcome addition to his family. Click below to read more:How long does it seem like you've been here at USC?
Forever. I remember when I was a younger guy and we used to talk about those seven and eight year seniors, I kind of feel like one of those guys right now. Talk about the mindset of the team in this off-season following the Rose Bowl.
I know from talking to other students, to friends and family, they seem to be asking the same kind of questions they were asking three years ago. What kind of team are you going to have? Who is going to replace Matt? Who is going to replace Reggie? It was like that with Carson and Justin and those guys. If you look to the past you'll see that guys have stepped up and done what they needed to do. I think it will be the same thing this year. Are the offensive linemen still working out at 6:00am?
We go four days a week at 6:00am and then we have twice a week team workouts in the afternoon. A lot of the guys though, at least among the o-linemen, we'll work out twice a day with the second workout being some jump rope, some extra lifting, something like that. I'm not normally a morning person but my clock has kind of adjusted, I haven't slept in for a long time. For the morning workouts it's been the offensive linemen, John David Booty and Mark Sanchez and the kickers and long snappers. The kickers and long snappers, that's interesting. When the fans hear that guys like that, and the quarterbacks, are getting up that early to workout with the lineman it seems like a pretty cool thing for them to do.
Definitely. It just goes to building that camaraderie and sense of trust, stuff like that. Both quarterbacks are always making a point to come up to us, see how we're doing, how we're feeling. You need to have that kind of relationship. We've seen John David become a lot more vocal than he was when he first got here, he's stepping into that leadership role. Anybody really jump out to you this off-season in workouts?
I would say Travis Tofi. I think he's going to have a big year. He's always been a good player in my eyes and I think this is going to be his year. He's a real strong guy. What are your height/weight measurements right now?
I'm 6-6, 305. This is the first time you've headed into spring ball as a clear starter, does that change your mindset at all?
Actually, I was thinking about it this morning, last year was the first year that I didn't head into spring as a starter. In my freshman year Winston was hurt during most of spring so I was starting. The next year was the same thing and then the year after that he wasn't here (suspension). Last year was the first time I went through spring with the second unit. It's a comfortable feeling to go into spring as a starter but obviously I've got a lot more riding on this year. I know I'm not in the shadow of anybody else and I've just got to work hard to keep it that way. Can the word patience be used to describe something you've learned in your career?
Oh yeah, definitely. I've learned patience. It's just the way things have gone. Has your uncle (former NFL offensive lineman Eric) been a help to give you advice?
Yeah, he'll always call me up and leave me messages telling me stories about things that happened to him in his career. He's usually just saying "keep with it, your time will come and when that time comes you need to shine". Look at someone like Deuce. He came into last season with not a lot of people knowing who he was, he didn't even play guard before, but now he's going to be one of the top guards taken. It just goes to show what can happen if you have a good year here because the NFL guys are definitely watching and it's easy to get your name out there if you do well. Did you see the numbers Winston put up at the combine?
I didn't see all of them but I saw he was #1 in some of the categories. You knew he was capable of doing that. What I would like to do right now is go through the line and have you give us an update on how guys are doing at each spot.
Our depth isn't really that bad, once guys get healthy we should be fine. There's just no substitute for experience, for going out there and getting reps. It doesn't matter how strong you are, you just need that experience to know what you are doing in every situation. Charles Brown has been pretty healthy although he had a little hamstring problem recently and wasn't able to go through all the workouts. He's progressing nicely though, he's starting to look more like an offensive lineman. When he came in he was nice and lean but now he's bulking up a little bit. Charles is at the right tackle spot right now. The back-up for the left tackle spot will be either Nick Howell or Thomas Herring. Nick, he's a strong guy, he's a really strong guy and we just need to add some more bulk to him. He's going to be a good one in time, he's a finisher. When Thomas is healthy he will be in that mix as well. The starting left guard right now is Matt Spanos and behind him is Jeff Byers. Right now the coaches are really happy with Matt and we'll see what happens in spring when Jeff is healthy. Jeff will also take some snaps at center because when Ryan is gone they want Jeff to be the next in line. Chilo is at right guard with Tiny Malu behind him. I don't think Drew Radovich or Travis Draper are going to be doing too much in spring due to injuries, they don't want to push too hard and have a setback like what happened with Byers last year. I think Tiny is one guy who just needs an opportunity. Two years ago when I was competing with Deuce at RT, I looked at it as an opportunity and I ended up splitting time which was more than I had ever gotten before. I really don't have any regrets about that season.
Think about that, how many times do the coaches alternate players on the line the way they did with you and Deuce in 2004?
They never do that but in that case they alternated us the whole season. That's one thing that helps going into this year because it's not like I'm going out there without any experience. What do you think when you hear a high school recruit talk about how he is going to come in and get playing time right away?
If you're a receiver or something like that, maybe a defensive lineman who can use brute strength, but if you're an offensive lineman it's just so different. In high school you're only going up against one or two defenses but here they will start out in one defense and then switch to another. You've got to be able to adjust and know exactly what you're doing. Give us your thoughts on Coach Ruel.
I think he's great. He teaches us, he'll sit down and tell us what we did right and what we did wrong. That's one thing as a player, you want to hear what you are doing right, you don't want to always just be told what you're doing wrong. That's one thing we all really like about him. Granted, he'll let us know when we're doing it wrong, that's just good coaching, but it helps to keep you motivated when he is also telling you what you're doing right. He also teaches a lot of life lessons, off the field stuff that helps give us examples of what can happen after we leave here. He's big on schoolwork, he's always telling us football isn't going to be here forever so we need to take advantage of our education. I don't think people understand just how hard it is to balance football with academics because of the time demands of being part of this program.
It really is difficult. I mean, there are times when it's football first and school is second, that's just the way it is. I'm sure that's how it is at a lot of places. The other day I had two midterms and I was up all night studying for them, that's after two football workouts including one at 6:00am. It gets tough sometimes but that's the way it is. People always say "oh, you are so lucky to be a part of the team" or "it must be so great" when we get bowl gifts. Yes, it's all great but you have to pay a price for it. You can't slack in the classroom. One of the things we always heard in the 90's, when the program wasn't doing as well, was the thought that maybe the academic standards had gotten too high and that USC simply couldn't succeed at that high level anymore. Since Carroll has come in though he's shown that the academic standards here can still exist with a winning program. Of the class that I came in with, everybody is on track to graduate except for Mike Williams who left early, Winston who left early and Fred who left early although Fred is pretty close to being done. Other than those three we'll have one of the highest graduation rates. What is your major?
Communications. When I first got here I thought maybe I might want to get into broadcasting. Now, I don't know, there are so many doors that can open up and there's a lot of things I can do with this degree. Will it be nice to get things back to "normal" during spring ball without all the hype that surrounded this team at the end of last year?
Yeah it kind of feels like we're getting back to our roots. I wouldn't call it an uncertainty but just the feeling of not knowing who is going to step up, who is going to fill certain shoes. You know someone is going to do it but you don't know who or how it will happen. It's exciting right now. I know a lot of guys are itching to get the season started so we can get out there and prove what we can do. It's been a long time since you looked in the backfield and didn't see Matt, Reggie or LenDale. Right. That was definitely a key factor in our winning because it was such an intimidation factor we had. Other teams would be saying "oh, they've got Leinart and Bush" and that would help us. Now, they don't really know what we have and it's kind of like three years ago when we went into Auburn. Once that game happened we started building that respect again and that's what we need to do this year. You've blocked for three Heisman Trophy winners during your career at USC. Do you see the next Trojan Heisman winner out there right now?
If John David does what I think he can do, he'll be great. Coming in right now he's ahead of where Matt was when he got the job. If Dwayne (Jarrett) has a breakout year he could be up there too. I don't know about contending for the Heisman but look out for Hershel Dennis, he's going to turn some heads. It's great to see him out there again. So much is being made going into spring about how this QB battle is similar to the one three years ago between Cassel and Leinart but that competition was wide open while it sounds like John David Booty is clearly the starter right now ahead of Mark Sanchez.
I think it goes back to what we were talking about before with experience. Mark is a great quarterback, he's a helluva quarterback. They are both so good but it's all about experience and John David has been in the system for three years. There's just no substitute for it. Who are the toughest guys that you've gone against on defense during your Trojan career?
Obviously going back to the day, back in my freshman year I had to go against Kenechi (Udeze) and that was a chore. Two years ago I had to go up against Shaun Cody when he was playing end a lot. This year going up against Lawrence Jackson, he's great, he's the next All-American on our line. You played high school ball in Texas. How much crap did you get from your Texas friends after the Rose Bowl?
I got a lot heading into the game but after the game I didn't get as much as I thought I would so I guess they are my friends. I heard it was just nuts down there after they won but they have that respect for USC after the game. What's been your favorite class at USC?
I took a communications class and one of the teachers is married to Kyle Wachholtz, the former USC quarterback. It was a really interesting class that touched on a lot of different stuff. Dallas (Sartz) and I took that class and it was really good. Favorite movie
My new favorite that I really like right now is Sideways. I kind of got into the whole wine deal after that so it's my favorite right now. They have a Sideways tour through the wine country where the movie was shot and I'm going to go on it, they stop at all the places that were shown in the movie. Favorite music
I'm kind of into punk rock.
There's a little Italian place right around the corner from our house where Sam (Baker), Ryan (Kalil) and I go all the time. You and your fiancee Jana (Krohn, former USC swimming All-American) are expecting a baby later this spring, tell us about it.
I'm really excited about it. It's just more excitement to add on to this year. It's really a blessing and our families are really happy about it. The baby is due May 21st and they are telling us that it will be a girl. She'll be named Kylie Elizabeth. Share on Facebook Share on TwitterTrending on ScoutWeekend Feature-Attack Missions in-B-2 BomberLas Vegas World Championships Venue AnnouncedUSC Player-run Practice HighlightsDevon Cooley RSC HighlightsThe War RoomShare & EmbedDevon Cooley RSC Highlights Full StoryUSCFootball.com Top StoriesDevon Cooley RSC HighlightsBuena Park (Calif.) four-star wide receiver Devon Cooley highlights from the USC Rising Stars Camp.by Ryan AbrahamUSCFootball.comYesterday at 10:46 PMUSC in top five for old school power forwardOld school power forward, J'raan Brooks, trims his list of prospective schools to a final five, including USC and two other Pac-12 schools.by Shotgun SpratlingUSCFootball.comYesterday at 11:22 AMThe War RoomThis week in the War Room recruiting is red hot during camp season with several new scholarship offers, high profile de-commitments and more interesting stuff going on behind the…by Ryan AbrahamUSCFootball.comYesterday at 6:45 AMPeristyle Podcast: Dan WeberDan Weber joins the show talking about USC summer workouts, shuffling around on the offensive line, special teams and much more.by Ryan AbrahamUSCFootball.comThursday at 4:59 PMRyan Nixon RSC HighlightsLong Beach (Calif.) Poly three-star safety Ryan Nixon highlights from the USC Rising Stars Camp.by Ryan AbrahamUSCFootball.comThursday at 2:41 PMUSC Elite Camp: Defensive skills highlightsUSC hosted quality over quantity Monday when they held a short camp made up of many of the region's top 2018 and 2019 recruits.by Keely EureUSCFootball.comThursday at 1:36 PMUSC Player-run Practice HighlightsThe Trojans held their third player-run practice of the summer on Thursday morning. With Sam Darnold absent, Jack Sears and Matt Fink led the way for the quarterbacks.by Keely EureUSCFootball.comThursday at 1:09 PMPhotos: Defense dominates at PRPWithout Sam Darnold, the offense struggles to fend off USC's defensive attack during the Trojans' third summer player-run practice open to the media. Check out the workout photos.by Shotgun SpratlingUSCFootball.comThursday at 11:04 AMPODCAST: USC RB Coach Deland McCulloughNew USC running backs coach Deland McCullough came into the Peristyle Podcast studio to talk about his transition from Indiana to Los Angeles and much more.by Ryan AbrahamUSCFootball.comWednesday at 10:05 PMColin Cowherd on the Peristyle PodcastFox Sports radio and television host Colin Cowherd came into the Peristyle Podcast studio to talk USC Trojan football expectations for 2017, Sam Darnold’s Heisman chances, Clay…by Ryan AbrahamUSCFootball.comWednesday at 5:46 PMUSC in. UCLA out. For five-star hoopster.Five-star small forward Taeshon Cherry trims list to top six schools, including USC, and announces commitment date.by Shotgun SpratlingUSCFootball.comYesterday at 11:59 AMUSC offers top 2019 tight end Ethan RaeEthan Rae grew up a Bruin fan, but USC took its first step this week in trying to convert the junior tight end into a Trojan.by Gerard MartinezUSCFootball.comThursday at 8:49 PMLoad More

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H10 London Waterloo Hotel - NEJLEPŠÍ CENY ubytování ve městě Londýn
Všichni cestovatelé (214) Hosté na služební cestě (46) Páry (93) Jednotlivci (41) Rodiny s malými dětmi (3) Rodiny se staršími dětmi (11) Skupiny (20)
Všichni cestovatelé (1096) Páry (470) Jednotlivci (434) Rodiny s malými dětmi (57) Rodiny se staršími dětmi (28) Skupiny (107)
H10”
Brand new and stylish hotel which is part of a Spanish chain. Staff keen to help.
Location not attractive - and need a taxi to go anywhere.
This hotel is new and generally unknown by taxi drivers. It is in a less attractive part of town -south of the river. It is, however, close to The Old Vic. The staff are very keen to help and the place is spotless. At Agoda prices it does represent value for money.
* Location * Cleanness * Staff * View from room * Bed
* Shower room - no door and no place to put soap. The result is a big mess in the tiny bathroom. I am quite surprised the hotel management has not thought of that.
My overall impression of the hotel was good. It is just a pleasant few minutes walk from the Lambeth North (the elevator at the station really helps if you are carrying a heavy suitcase). The look of the hotel is very modern and it is very clean. The smell in the rooms is of new furniture and I suppose it gives you a pleasant feeling. In additional to that the bed and pillows were perfect which is just what you want after a busy day in London.
Hotel H10 london waterloo”
good location, 15min walk from London eye. nice room, good service
room a little bit small but it's like everywhere in London!
very good service from the staff, good location, shops around, beside the IMAX, great if you like 3D cimena! the room has everything you need, nice furniture, flat screen TV. i would recommand this hotel.
Clean, comfortable and quiet. Perfect for a nights business stay.
Price on room service, location not near many restaurants
I stayed at the H10 Waterloo Hotel after coming across it on the Agoda website. It was it the right location for my business trip and was around the right price. It is a new hotel and the room was pleasant, clean, comfortable and ideal for my trip. I would stay at this hotel again.
Clean and fresh hotel, good location”
Clean hotel with nice rooms. Location within 5 minutes walking distance of two tube stations making it easy to get to anywhere in London. Internet access in reception is good.
Reception staff seemed a little unsure of procedures, but maybe this was because the hotel is only newly opened (3 weeks ago). Breakfast was expensive. No eateries nearby so we had to have breakfast at Waterloo station (only 5 minutes away, but just coffee shop or McDonalds to choose from!)
The hotel is clean and pleasant, and in a good location within walking distance of two tube stations. On the minus side, the breakfast is expensive and there are no local eateries nearby to cater for breakfast (or any other meals really). It would be good if some could open locally. If you are looking for a clean and safe hotel in an easy location this is fine. If you are looking for a hotel with restaurants nearby this may not be for you, although the tube is only 5 minutes away so it's not a big problem.
Great boutique hotel in London”
good location, nice decor, nice staff
the rooms are quite small, the lift service is not sufficient for the no. of hotel guests
a boutique hotel with very nice decor, very comfortable. the location is also okay, it takes not more than 10 mins to walk to the nearest tube station. the hotel staff is also very nice and helpful. the room rates are also reasonable, not much better choice in pricy London. really good value for money. highly recommended!
The hotel was clean, soft bed, lots of channels on tv, and great place to come back to from a hard day of travelling.
The hotel is a bit far from the metro - its about 200 meters to Waterloo or Lambeth North. I bought a 7 day metro/bus card so i took the bus to the metro everyday which made it very convenient.
Clean and bright. Friendly
Bar Prices Walk from the tube (with cases)
Overall, this was a great stay. It was good value for a 4* hotel. The rooms were clean, and when we needed a cot for our child, it was no problem (even though we had checked in at gone 8pm). There is a slight walk to both closest tube stations which was challenging with a baby and luggage, but otherwise is a reasonable distance. Bar prices are high (with a mandatory 10% being added each time), but a pub virtually next door was very reasonable. Stayed for 2 nights and would stay here again.
New, nice bathroom with underfloor heating, modern style, friendly and helpful staff, great location just 5 mins walk to Waterloo station.
Room, although comfortable, was very small and facing the main road so quite noisey.
Stayed here for the London marathon and really pleased with my choice of hotel. Perfect location, just a couple of mins walk to Waterloo station, close to bars and restaurants. Hotel itself very nice - modern and new - well maintained. Room spotless, quite small, but everything that I needed was there and didnt really need any bigger at the end of the day. The staff were welcoming and friendly, didnt have breakfast - seemed a bit too expensive. Overall, would recommend the hotel if you want somewhere clean, modern, and in a good location. The only negative really was that it is on quite a busy road so it can be qutie noisey.
Handy and smart”
Initial welcome poor
The hotel is perfect for a night or two to visit South Bank and London overall being only 10 minutes gentle walk from Waterloo Station. Good quality rooms although I could still hear traffic noise from the ground even though I was in the 11th floor. Even though the hotel is aimed at tourists it didn't feel too 'touristy' and my room had all mod cons and wifi too - all of which worked as they're supposed to. Staff at reception were poor when I first arrived and I had to wait -without even being acknowledged - for 5 or 10 mnutes before someone offered to help. To be fair they were booking a small group in or out but I still felt that this could have been better handled. I would happily recommend the hotel.
Well priced Convenient London Hotel”
No carpet in bedroom - wood floors. great for allergies. bar fridge and safe in room. location close to subway and lots of great bus service right outside door. staff were excellent. Big shower - no ...
Wifi did not function in one of our rooms and was not resolved. beds were small and low. cost for laundry crazy!
View is good from the club lounge at Lvl 8. Paid for high floors and gotten Lvl 9. Highest level is 11 or 12. Can't recall. Was under the impression will be staying at the top floor. Room faces ...
Room facilities are not well maintained for a hotel of such grading. Wardrobe is shallow. Your clothes can't be hang properly in the cupboard. Room is a bit small. Having a hard time placing my 1 ...
Only 5 min walk from...”
Was only disappointed when we received our room that it was two single beds when we requested a double bed. After seeing reception they were booked out but the supervisor moved some rooms around to ...
Asif – Švýcarsko
Airconditioner not working throughout the night TV remote not working. Taxi service offerred at exorbitant rate.
comfortable and good value London...”
H10 is ocated within walking distance to most city attractions. It has good access to both Waterloo station and North Lambert. The room was clean and comfortable, with everything I needed apart from...
The room was a little compact compared to my experience with London accommodation 2 years prior, but from what I hear small rooms are common. The immediate surroundings were a bit ordinary, but I ...
Restaurant and bar were overpriced for the location. Window only opened a few inches which is fine but the thermostat didn't allow us to cool off the room very much so we kept the window open ...
H10 Waterloo does all the...”
Tenisha – Trinidad a Tobago
I loved the design of the rooms and the spaciousness....better than the Hilton room I stayed in a week before that was tight! The view was awesome on the 12th floor!!!
Modern hotel. Good selection At breakfast.
Exactly what I needed after...”

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text:
Jewish Identity: A Social Psychological Perspective / Edition 2 by Simon N. Herman | 9780887382567 | Hardcover | Barnes & Noble
Jewish Identity: A Social Psychological Perspective / Edition 2
Employing insights from a broadly conceived social psychology, Simon N. Herman examines contemporary Jewish life in its totality as a constellation of interdependent factors. He sets forth criteria for the Jewish identity, analyzes the religious and national elements that interweave in it, the constancies and variations in that identity across the years and across…
Employing insights from a broadly conceived social psychology, Simon N. Herman examines contemporary Jewish life in its totality as a constellation of interdependent factors. He sets forth criteria for the Jewish identity, analyzes the religious and national elements that interweave in it, the constancies and variations in that identity across the years and across countries, the impact on it of the Holocaust and the establishment of the state of Israel. An illuminating chapter is devoted to the question "Who is a Jew?" In his foreword to the fkst edition of this volume, Herbert Kelman of Harvard University described it as "a pioneering contribution to the study of ethnic/national identity." The second edition incorporates additional data derived from two recent studies conducted by the author. It includes a discussion of the direction of changes in the Jewish identity in the decade since publication of the first edition. Special attention is given to the Jewish reactions to the worldwide resurgence of anti-Semitism and to the turbulent events in and around Israel. A careful analysis is undertaken of the factors in the present situation that strengthen and weaken the Jewish identity.
9780887382567


text:
Frederick Bus Tours & Rentals - Deals in Frederick, MD | Groupon
Bus Tours & Rentals in Frederick, MD
Sightseeing & Tours (578)
Bus Tours & Rentals (35)
City & Landmark Tours (358)
Fun & Leisure (114)
32% Off 48-Hour Hop-on, Hop-off Double-Decker Tour Ticket from CitySights DC
Union Station (Main Lobby) • 41.8 mi
Washington • 42.5 mi
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Hyatt Regency Hotel • 41.8 mi
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Guests explore approximately 15 beers across four stops, old and new alike
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Private full day tour with Cook class at Damnoen Saduak Floating Market
You will be picked up from your hotel and drive to “Train Market” this market settle on the railroad of “Maeklong Train Station” for the whole daytime. The interesting of tourists for this visiting. Then drive to a local sugar factory. There you’ll take a tour of the local factory where you’ll see sugar is made from coconut trees. Next, you’ll go on a long tail boat ride to the most Fascinating colorful floating market to “Damnoen-Saduak”. You’ll see the local people and have a chance to tour and test for the Season fruit, Thai dessert as Thai Crispy Pancake (Kanom Buang), Coconut Pan Cake(Kanom Babin), Thai Local Coffee (Kaffe Boran). At the end of the tour we will visit a small village near the Floating Market name “Lao Tak Lak” to do a small workshop before leaving with “Thai green papaya salad” or “Som Tam”, you’ll learn how to make an authentic version of som tam, that’s easy to make, and tastes delicious.
Transfer in private minivan from Washington City to Dulles Airport
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Explore Washington DC at your leisure on a hop-on hop-off trolley and see the city’s landmarks illuminated on a guided night tour with this super saver combo. Hop on and off as often as you like at any of the 17 trolley stops at landmarks including the White House, US Capitol, Lincoln Memorial and Jefferson Memorial. See Washington DC from the land and water on a unique duck tour! Traveling in an original WWII amphibious vehicle, this 90-minute tour takes you to the famous monuments of Washington DC before splashing down into the Potomac River for the most unusual ride of your vacation!
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Northwest Washington • 41.0 mi
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Dragon Distillery • 1.6 mi
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Tour and Tasting Plus a Shot Glass and Optional T-Shirt for Two or Four People (Up to 55% Off)
Craft distillery produces vodka, gin, and whiskey from organic grains
Downtown Frederick • 0.2 mi


text:
Anchorage, AK, USA | Member Since 2006
This third Joe Ledger book is again well worth the credit. It's another fast-paced, edge-of-your-seat, intense story where Joe Ledger and his team are called upon once again to save the world at the last possible moment from the dastardly plans of the evil masterminds, and again the author pulls it off well. With that said, Jonathan Maberry just had to go off on several long-winded left-wing political rants using the voices of his evil masterminds that did not seem to add a single thing to the story, but will probably serve the author???s presumed intent to score him a round of high-fives at his next literary cocktail party. For a few short examples, one of his bad guys calls former President Bush ??????a Texas jokester who couldn???t manage a Walmart,??? rants that ???the Iraq war was just a grab for oil,??? calls George Bush a ???war criminal,??? and says ???the previous administration would be held accountable if this ever got out,??? but that they ???don???t have the same type of control over this current president, which is why they are trying to weaken and discredit him.??? Oh, puh-leeze! Several chapters - yes, ???chapters!??? - of this kind of blather, after which he follows this up with, ??????but let???s not get political.??? Yes, Jonathan ??? let???s not. 5 stars for the exciting and well crafted book, minus 1 star for the author???s attempt to turn me into a member of his mindless zombie political horde. 11 of 21 people found this review helpful
Overall(318)Performance(187)Story(187)

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Amazon.co.uk: Catherine A "cat lover"'s review of Cross Country: (Alex Cross 14)
Oh Dear, 4 Mar 2011
I`m a great fan of the Alex Cross books and usually gripped throughout. But oh dear - what a disappointment Cross Country is. Never mind you actually get half a book as each chapter begins halfway down the page and ends overleaf in the same manner. The story is ridiculous. Why would he chase all over Africa when any news channel you pick is full of the awful risk a westerner takes visiting and come on - he`s not exactly in the full flush of youth but can still fight off gangs of killer youths. I feel this is just a filler book and only useful to keep us up to speed with the family until a better story comes along.
Cross Country: (Alex Cross 14) 0099514575

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