text:
Ultimate Guide to Help You Buy the Best Cordless Phone
Wired technology is dying. Mobile phones and other wireless devices are now considered as a matter of form. Soon not even the need for power cables will keep users shackled, for already phones can be charged wirelessly.
Yet there is still one realm where wires and tangles continue to be a matter of course. Land line phones provide islands of stability in a chaotic ocean of ever-more-complex mobile devices, and are still very much a necessity for the way we do business.
Cordless Phone
However, why stick with the basic unit your phone company gives you? Cordless phones give the flexibility of cellphones with several more features important to keeping in touch and keeping safe. So let's have a look at these useful features you should look for in the best cordless landline phone.
Quick List
Basic Features
Advanced Features
Home Office Features
Uniden Cordless Phone via Uniden.com
Basic Features
- Base and Back-lit Keypads
Even handset-only cordless phone units have keypads at a convenient size compared to most cellphones or the touch keys of any smartphone. Nearsighted and both seniors and young children alike would still have a much easier time with a base unit keypad with large buttons. At the very least, don't underestimate the usefulness of being able to dial without taking the handset away from your head.
Either way, choose a cordless phone with back-light keypads for better readability in low-light conditions and to find that annoying ringing phone at night.
These are two main things to consider when evaluating the speakerphone and base unit of a cordless phone.
1) Does it have a duplex operation feature?
This would mean that you could use the device as an intercom, if someone has the receiver in one room and the base unit in another – for example, someone in the kitchen and another in the living room or garage, they can communicate without having to shout at each other. The same goes for handset-to-handset home intercom.
2) Will it allow you to make handsfree calls without need of the handset?
A handset offers privacy and voice fidelity, but sometimes you might just want to make a call quickly or to have more than one person respond. If your base unit has a keypad, you don't need the handset with you to dial a call. This may be critical if you ever need to dial 911 in a hurry.
Something you should expect from any cordless phone is the ability to automatically put on hold any incoming call if you're in the middle of another call. While you may not use it very often, not having this feature is the sign of a bottom-bin budget phone.
Caller ID is a network-dependent feature, but it's one that's useful for any user. Certain cordless phone units may even allow you to set custom ringtones for different incoming calls. Or, the device could 'announce' the name of the incoming caller in addition to displaying it on its LCD screen.
Imagine being able to separate urgent calls like "It's your boss!" or "It's your mom!" from a random telemarketer. You don't need to rush at every ring. Which brings us to the next point –
- Answering Machine
The biggest appeal of a landline cordless phone is that you can set it to receive calls even when you're not at home. With a cellphone your choices are:
- Take the call
- Ignore the call, but the caller will wonder why you're not picking up, or
- Do nothing, because your mobile's out of power and can't receive calls.
Typical integrated answering machine functionality lets you receive messages when you're otherwise unavailable – but better models also send a notice to your registered smartphone, and allows you to play back the message from there.
Most cordless phones have at least one voicemail inbox, but others may ask the caller to choose where they'd like to leave their message among different mailboxes. This allows the receiver to better separate calls between family and business.
Of course, you need an LCD screen for checking caller ID, phone lists, call history, battery level, etc. The question is: where's the screen? Some cordless phones have the LCDs on the handset themselves, like much like cellphones. Others have them on the base unit so that the handset remains more compact. Some have both.
You might prefer a larger LCD screen or even one in full color like smartphones. Remember that screens are a major power hog, though. Units with smaller monochrome screens will likely last longer under emergency backup power.
Speed dialing and caller recall are pro forma features to expect in any decent landline phone. But what about call blocking? Great, you don't have to suffer any more telemarketers. You should be able to block specific area codes, numbers from payphones, and international calls too.
How about a searchable digital address book? Filter by name, parts of a name, date added, or even most recently called. Certain numbers could be tagged VIP so that they cause the phone to ring anyway even if you've set the phone to silent mode.
- Handset Paging
Multi-handset cordless phones need a pager functionality to send alerts from one phone to another. Like in the example situation mentioned previous, put the call on waiting and press a button to give notice to another (or all handsets in range) to pick up.
Don't quite know where your family misplaced that handset? Page it to track it down. Are you leaving receiver range from the main unit? Your handset may ring another alert.
Always demand this feature from any multi-handset setup.
Philips Cordless Phone via Salestores.com
Advanced Features
DECT 6.0 is the newest communications standard that ensures phones are less prone to interference from other domestic radio and electronic signals, have better range, less prone to data congestion, and much more secure. Look for phones with DECT 6.0 tag as they're likely to have longer talk times, days of standby time, and all calls are automatically encrypted without sacrificing sound quality.
- Advanced Playback
Most cordless phones with integrated answering machines allow you to play, skip, and rewind messages. A better unit should provide more talk time per message, finer controls for faster and slower playback to focus on specific portions of the message, and automatically saves the selected caller to your address book.
If you're using that as a business phone too, look for a dial-back feature to respond to the message asap.
A base unit that can handle more handset is always a good buy. Generic Access Profile (GAP)-compatible phones can connect to a handset or base unit from a different manufacturer with basic functionality. Unfortunately, newer DECT 6.0 phones no longer support GAP. However, handsets with better features are often compatible to most base units from the same manufacturer.
You might as well also get a unit with direct link capability to make a pair of handsets can serve as walkie-talkies.
Certain models allow you to pair your cellphone with your cordless phone unit and receive cellphone calls from any handset. Now you don't have to go from room to room just to catch that call.
There is also another interesting feature allows you to use your smartphone as an additional handset. Answer landline calls without having to get up from where you're sitting, if you happen to have your smartphone with you.
Certain phones are noise-sensitive. This will send the sound of their babies crying to parents in another room. However, it's more than just for households with children. Though called a 'baby monitor' feature, it may pick up any loud sound and send an alert.
If you don't want to have the phone ringing constantly, a cordless phone with quiet mode is a must. Let callers talk to the answering machine without waking you up when you really need that rest. A visual 'ringing' alert will let you know if someone's calling.
Corded phones are powered through the copper phone lines, but that's not enough for all the advanced features that come with your cordless phone. If the power's out, how long will that phone you're considering allow you to receive calls and dial emergency services?
Ask for phones with backup battery and Energy Star certification for resilience against power outages. Fortunately, even cordless phones will last longer than a smartphone under such conditions. Look for talk times of about 10 hours on the handset and standby times of over 100 hours. Make sure it has Low Battery warning for both handset and base unit.
Vtech Multi-Line Phone via Vtechphones.com
Home Office Features
To make the most out of a multi-handset system, the base unit should support at least a 2-line connection. Pay for only one device that allows you to pick up from anywhere in your home, rather than two phone setups incompatible with each other.
You also need this for three-way voice conferencing between Line 1, Line 2, and the receiver. Calls coming through each line should have distinctive ringtones.
Cordless phones with this feature are incredibly useful in terms of preserving important information given over a conversation, avoiding legal liability, and deterring nuisance calls. Remember that both parties must consent to the recording of a call, else it is illegal and inadmissible as evidence.
For true hands-free phone use, buy a handset with a headset jack. Now you can talk while working on the computer or otherwise have your hands full.
Every number in the address book, every recorded message eats up flash memory. Most voice mail messages last only around 20 seconds, so address books of 50 names and recording times of about 15-20 minutes are normal for cordless phones.
However, take note the maximum amount of discrete answering machine messages before new ones overwrite the old. Some have as few as 30, while others keep 60 or more time-stamped messages.
Many DECT cordless phones also allow you to access your stored messages remotely. Just dial your own number and your remote access code and follow the voice prompts. Certain models also offer apps for your smartphone (for example, Panasonic's Smartphone Connect App) for total control over your cordless phone's functionality wherever you may be.
Tags best cordless phonebuyers guide for cordless phonechoosing cordless phonescordless phone guidecordless phones
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Aha! I have a blog!
Published by Melzaar the Almighty in the blog Melzaar the Almighty's blog. Views: 66
I needed a place to talk to myself but I needed somewhere no one knows the stories I'm talking about. Just remembered that we have blogs here.
I was just thinking about the end of my previous story in this series I was writing. A friend who's read it all commented on how the title - "Instant Noodles and Beer" suddenly got applied back and made the whole story make sense in the last chapter. I quite intentionally meant to do that - in the opening scene, the 2 main characters are shown one eating noodles, the other drinking a pint. Then I went several thousand words without mentioning both at the same time - either beer, or noodles, but never both. Finally in the last chapter I threw in a ridiculously blatant title drop which pointed out, "Er, that guy's Instant Noodles, and that guy's Beer."
Not, really, you know, the most deep and thought-provoking metaphorical messages, when you read stories where characters are called, like, Contradiction, or something else that *means* something. But it works for my story. In a way it's good that they don't have deep metaphorical meanings. No one else would bother with spending 76,000 words trying to convey a point so simple as that. And I'm pretty sure the characters are deep enough in themselves that they don't need any more conventional personality archetype to wave around.
(alright, maybe I might have laden more meaning on the food and drink than initially appears - you'd have to read it to know. )
Anyway, now I'm writing the second, and was re-reading the first scene just to see how it was going. In this novel, I'm going for a much more disjointed timeline, and subverting pretty much everything I did in the first one. They both start with a very basic scene: characters, food stuff, a conflict of interests, and neither of them come out of the encounter as well-balanced as they entered it. But I figured with Fries and a Milkshake, the 2 romantic leads weren't going to be Fries and a Milkshake themselves. Maybe one of them is. Maybe they're BOTH Milkshakes, or they are Fries and a Milkshake, but not the Fries and a Milkshake that go together.
I need to work out the emotional significance of those two foodstuffs. I know fries are warming, and milkshakes are cold and, in this scene, spilled and replaced. I'm assuming from this, Katie is the chips - surprisingly nice, though actually awful for you. Caro is the ice queen, and I plan on her and Mora breaking up at least once in the timeline, so probably spilled & replaced.. though it's Lin who spills it, and Mora who brings the replacement.
Eh, I already had an extended metaphor about marble cake that broke down when I had to start personifying the cake back into Caro. I don't think I'm doing the literary world any favours writing these sort of things, but they looks smart on the surface.
Wait, that really doesn't work.
I think I've managed to sort it out in my head a bit, anyway. Caro and Katie have this big non-romantic character friction going on, so I could do the ultimate subversion on my themes from Noodles&Beer and make it a non-romantic food pairing.
Thanks for giving me space to type. I can only sort this sort of stuff out if I address it to someone rather than just to myself.
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subset: commoncrawl


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Wessex FM News
Warning Out Over Doorstep Sellers in South Dorset
8:37am 18th September 2012
There's a warning out over cold calling tarmacers around Dorchester, Bridport and Weymouth.
The County Council has received a number of reports from residents over the issue.
Trading standards say we should be weary of dodgy tradesman ... And if we do agree to go ahead with some work, make sure have a 7 day notice to cancel.
Richard Herringshaw, principal trading standards officer at Dorset County Council, said: "When dealing with a trader who has knocked on your door on the off chance, the first thing to consider is, do you really know who they are and where they are from. If things go wrong, it may be difficult to follow up later.
"If you do decide to go ahead, for jobs over £35, you must be given a notice of your seven day right to cancel. This should identify the trader and tell you how to cancel the job. The trader has to get your written permission if he wants to start within the seven days. You do not have to give permission.
"Our advice is that it is best to use those seven days to get other quotes if you are thinking of going ahead with the work."
Residents who feel they have had a poor job done or who were not given notice of their right to cancel can contact the Citizens Advice Consumer Service on 08454 040506 to get advice and to report the matter to trading standards.
If there is any suggestion of intimidation by the trader then do not hesitate to contact Dorset Police. Dial 999 in an emergency, or call 101 for non-urgent enquiries.
Sign up for the latest local news direct to your inbox


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My Builds and Gear
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Category Archives: Other
World of Warcraft – Mists of Pandarian Cinematic Trailer
Here's the newly revealed cinematic: The beginning reminds of me of the Warcraft 3: Reign of Chaos intro cinematic, where a human and orc duel, only to be greeted by a more powerful enemy: Could this throwback to Warcraft 3 … Continue reading
Posted in Other Tagged gaming, wow Leave a comment
Path of Exile Beta Feedback
I made a post last week about my first impressions playing the PoE (closed) beta and shared my experience with the earlier stages of the game, comparing it to Diablo 3. After about a week, I now have 4 characters: Level … Continue reading
Posted in Other Tagged diablo 3, path of exile Leave a comment
Is the Virtual World Really An Escape From Reality?
[link] – a post from my real-life blog that has particular relevance here.
Posted in Other Tagged diablo 3, gaming Leave a comment
12th highest parsed Wizard armor in the world? (Also 5th Witch Doctor?) (And 1st Resist All period?)
Looks like my Wizard Narg is in 12th at the moment, with 10366 armor. I wonder what would happen if I borrowed a Monk or Barb armor buff… Also, this is 7th in US rankings apparently. The compressed version on … Continue reading
Posted in Other Tagged diablo 3, gaming Leave a comment
Profiles, Rankings, Etc.
A few days ago Battle.net profiles were launched for Diablo 3 characters, allowing everyone on the forums to see everyone else's characters and gear. I had already snapshotted my characters and gear in this post, but it is interesting to … Continue reading
Posted in Mechanics, Other Leave a comment
Rant on Tier 13 and the LFR
Whoa, I'm talking about WoW? On a Diablo 3 rant blog? I must have really run out of stuff to talk about in D3, haven't I? How LFR By Design Made Tier 13 Boring I played only during the Cataclysm, … Continue reading
Posted in Other Tagged lfr, wow Leave a comment
Blizzard Hides Subtle Message That 0.999… = 1
The Image: Facebook link to the image: [link] Zoomed-in version on Twitter: [link] If you look carefully at the Twitter version, there is a hidden message in the bottom left: That is the proof that Blizzard used in their 2004 … Continue reading
Posted in Other Tagged diablo 3, math Leave a comment


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pneumatic vibratory feeder
Industrial Vibrators-Hoppers-Compaction Tables
MARTIN® is the leader in Industrial Vibrators and vibration systems and solutions for a wide range of manufacturing industries. We provide electric vibrators, pneumatic vibrators, hydraulic vibrators, vibratory feeders and a host of other products to make material flow easy.Read More
Feeders and Vacuum Conveyors for Chemical Processes
Feeders, Pneumatic Conveyors, and Automated Systems for the Chemical Processing Industries Coperion K-Tron manufactures a wide variety of solids and liquid feeding and pneumatic conveying equipment and systems for the chemical processing industry.Read More
Heitek Automation,PHD
PHD is a leading manufacturer of electric, pneumatic and hydraulic industrial ... pneumatic escapements ideal for the release of parts from vibratory feeders, ...Read More
Cleveland Vibrator,Vibratory Equipment, Industrial Vibrators ...
Vibratory equipment and industrial vibrator products from Cleveland Vibrator Company get ... Pneumatic or Air Piston vibrators · Air hammers, Knockers or Impactors ... You can attach an industrial vibrator to bins, hoppers, chutes, feeders and ...Read More
Stock and Strip Feeders Information,IHS Engineering360
There are several types of feeders. Examples include pneumatic feeders and vibratory feeders. Pneumatic feeders are used to move and position parts with the ...Read More
Pneumatic Vibratory Ball Feeder,TCKING Heavy Machinery
Vibratory Bowl Feeders,SolidsWiki Vibratory Bowl Feeder feeding plastic pins. Vibratory Bowl Feeders are the most ... available in both electromagnetic and pneumatic drives, vibrates the bowl feeder, ...Read More
Vibratory Feeders Catalog,K-Tron
Vibratory Feeders Catalog Use Coperion K-Tron's vibratory feeders for feeding fibers, glass fibers, granules, rough-grained powders, and other abrasive or fragile ingredients.Read More
Whats the difference between a vibratory bowl, centrifugal ...
Whats the difference between a vibratory bowl, centrifugal or pneumatic feeding system? Written by: Ying Zhang. Feeders are the traditional and still most common device for the automated orientation of industrial component parts.Read More
Pneumatic vibrators,YouTube
Mar 8, 2013 ... Pneumatic Vibrators (Turbo ball vibrator) : Centrifugal force generated by ... of vibratory feeder and electromagnetic vibrating feeder, Pneumatic ...Read More
Bowl feeder,Wikipedia, the free encyclopedia
Vibratory feeders rely on the mechanical behaviour of a part, such that when gently ... The drive unit, available in both electromagnetic and pneumatic drives, ...Read More
Mikro® Vibratory Feeders,Hosokawa Micron Powder Systems
The Mikro® Vibratory Feeders is designed for the laboratory applications when ... Various trough & hopper designs & sizes available; Available with pneumatic ...Read More
Industries,TerraSource Global
We have supplied pneumatic conveying equipment, vibratory feeders and Hammermills for conveying, feeding and or processing food/agricultural waste.Read More
Pneumatic Escapements,Part Singulator,Feed Escapement ...
Pneumatic feed escapement actuator is used for singulating and release of individual parts from hoppers, conveyors, vibratory feeder bowls, tracks and ...Read More
pneumatic vibratory feeder,Explosion Proof Applications,NAVCO
Explosion proof pneumatic linear vibratory feeders,custom engineered per order. Hopper included arrangements available.Read More
Pneumatic Vibrators,Vibratory Screen and Unbalance Vibro ...
Manufacturer and Exporter of Pneumatic Vibrators, Vibratory Screen and Unbalance Vibro Motor offered by Saideep, Mumbai, Maharashtra, India.Read More
vibratory bowl feeder,eBay
Find great deals on eBay for vibratory bowl feeder vibratory feeder. Shop with confidence.Read More
Vibrating Feeders, Screens, & Conveyors,JVI Vibratory Equipment
Manufactures vibratory feeders, conveyors, screens and elevators for bulk solids handling and processing.Read More
Vibratory Feeder Bowls Vibratory Air Motors
Omar Associates is a leader in building and repairing part handling systems. We have a complete line of specialized pneumatic vibratory drives.Read More
Vibratory Screeners,Cleveland Vibrator
Our vibratory screeners are ideal for sorting, classifying, sizing, separating, and dewatering large and fine materials. Online quotes and purchasing available.Read More
AIR-DUO Pneumatic Feeder,General Kinematics
The AIR-DUO pneumatic feeder drive puts more energy into your feeding ... as an option on GK's S-SERIES feeders and other vibratory equipment contact a ...Read More
A-1 Automation Inc., Manufacturers in Stanton, CA
Here at A-1 Automation, we are manufacturers of pneumatic and electric vibratory feeders and bowls 6-36 standard sizes. Continuous, automatic, small parts ...Read More
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|23 Apr 2014
Upgrade Install - XP to Windows 7
|My System Specs
|24 Apr 2014
|My System Specs
|24 Apr 2014
Vista, Windows7, Mint Mate, Zorin, Windows 8
I don't understand anyhow why anybody would want to do an upgrade install. You get nothing but gremlins. A clean install with the upgrade disc is a lot neater.
|My System Specs
|24 Apr 2014
First OP...
|My System Specs
|24 Apr 2014
An update: i was able to perform a sucusuflly upgrade on another machine that is on XP3 with minimum software and drivers installed. At this point i think there may be a windows update that is causing the issue with the other pc's as they do get stuck at 64%. We just need to figure out which one.
So we know the upgrade is defenetly possible, just the matter of finding that needle in a haystack to get us there now -.-
The Vista install creates a set of logs depending upon how far it gets into the installation before completing or failing. The location of these logs is here: Log files that are created when you upgrade to Windows Vista from an earlier version of Windows. You can browse into the failed Vista install to copy out these logs. In the panther log the last listing should reveal what it is choking on.
A Win7 Upgrade failure can happen at about the same point. Since Vista is very similar in its architecture it might help you overcome the issue if this can be found in XP, which is possible since it does have the same Environment Variables button on the XP Computer>Properties>Advanced tab specified in the fix quoted below:
Installation Hangs at 62 Percent
The first installation problem you're likely to encounter in your upgrade from Vista to Windows 7 may not be obvious at first. But after your progress bar sits at 62 percent for more than 10 minutes or so, you'll know something is wrong. The culprit is a service called Iphlpsvc, which may stop responding to the system during the installation. Fortunately, the solution is relatively easy. If you don't feel like messing around with your system settings, download Microsoft's automated fix, MicrosoftFixit50319, and install it. Follow the wizard, and it should resolve the problem in about a minute.
If you'd rather just correct the problem yourself, start by rebooting your PC. After logging back in, click Start, right-click Computer, and click Properties. Click Advanced, Environment variables, then System variables, New. In the 'Variable name' field, type MIG_UPGRADE_IGNORE_PLUGINS. In the 'Variable value' field, type IphlpsvcMigPlugin.dll. Click OK to close the windows, and then start your installation again.
|My System Specs
|24 Apr 2014
That being said, all my Windows rigs today have a clean installed Windows, 7 or 8. The in-place method works flawless when done correctly but can in my opinion only be recommended in one and only one scenario: when the user has an application which is essential to him / her to keep and he / she no longer has its install media and said install media is no longer available.
An example of this is when I helped a friend of a friend to in-place from XP via Vista to Seven last year when she wanted to upgrade before XP support run out. She has a son with Asperger syndrome who goes crazy if he cannot play his legacy memory puzzle game which is no longer available (small local publisher long ago gone) and the family cannot even remember who installed it in the first place. My tests to get the program files moved to a Seven rig and get the game running failed.
As the process also involved a new PC to the son, it really was hard work. First generalizing the XP install and capturing the image, then wiping the HDD on new rig to get rid of factory installed Windows, restoring the XP image and finally in-place upgrading to Vista and further to Seven.
Anyway, Windows Seven, in-place upgraded from that original XP image via Vista works well today and the son is happy, playing his memory puzzle.
Other than a scenario like this I see no reason for in-place upgrade.
|My System Specs
|25 Apr 2014
Hi thanks for the replies.
Yes i need to upgrade to vista then to xp, because our company has many programs and differnt ones for each individual departments. It would simply take 10x longer to do a clean install and then install the applications , drivers and configure settings. (we need to do 300 pcs)
I found the log file. I am pasting it here, can anyone tell me why its failing?
|My System Specs
|26 Apr 2014
There is no guarantee the programs that run under XP are going to continue to run under Vita or Windows 7.
I still think you wiould be better off with a Clean install.
Are the PCs all the same or are there large chunks that are identical? If so then load one and create a system image to use on the others.
|My System Specs
|26 Apr 2014
There is no guarantee the programs that run under XP are going to continue to run under Vita or Windows 7.
I still think you wiould be better off with a Clean install.
Are the PCs all the same or are there large chunks that are identical? If so then load one and create a system image to use on the others.
The project described in my tutorial was quite successful, all applications worked afterwards. I used that XP in-place upgraded to Vista in-place upgraded to Seven almost two years with no major issues.
In-place upgrade is totally safe when done correctly. Each and every user have to decide for him / herself, thinking about known pros and cons. If a user wants to try, I really would not tell him / her not to do it because something might not work afterwards. What is the worst case scenario? Clean installing Seven, some time lost for trying but an experience richer.
|My System Specs
|27 Apr 2014
I know upgrade installs can work but I also know from personal experience that the often do not work quite right and you end up with little annoyances that become big annoyances over time.
htoniv said they are going to upgrade some 300 PCs. Would is not be better to take once PC, do a clean install, install all updates and software then create an image they can then push out to the other 299 PCs, rather then doing a double upgrade of each PC? Part of this process would be see what does ad doesn't work, what software needs to be replaced and what doesn't.
|My System Specs
|Thread Tools
|Similar help and support threads
No upgrade option for Windows 7 Ultimate
Hi all, I am runninng Windows 7 Ultimate and I seem to be running into a problem. When I try to reinstall Windows 7 Ultimate, the screen that asks you if you want to upgrade or have a custom install does not show up. This is a custom .iso file because it has Windows 7 Ultimate x86 and x64 on it....
|Installation & Setup
Vista to 7 upgrade (download Vista updates?)
Hi. I have Windows Vista Home Premium 64-bit OEM (with free Windows 7 upgrade). I want to reformat the computer. After installing Vista, do I need to download Vista updates, before installing Windows 7? Or just immediately install Windows 7 after Vista? Also, how often do you do a fresh...
|Installation & Setup
Download Upgrade option disk?
If you registered forr the Windows 7 Upgrade option disk and your manufacturer is supposed to send you a voucher that you can redeem online to microsoft to get them to ship you a disk, can you download the disk as an option? because I have no cd drive. thanks
|Installation & Setup
Windows 7 Upgrade Option Question
Alright, someone over at Digital-Digest recommended me to this forum. So, I've got a question or two. I have a laptop that came with Windows Vista Home Premium, with the free Windows 7 upgrade. However, I noticed that Vista Home Premium upgrades to Windows 7 Home Premium... but I want...
|General Discussion
MicroCenter Offers Cheaper Windows 7 Upgrade Option
Micro Center | Microsoft Windows 7 Only available at their 21 US locations. No need to pre-order, just pick up a coupon between Friday June 26 to Sunday June 28 Home Premium for $39.99 Professional $89.99
win7 upgrade option site spotted
Its available here: http://www.windows7upgradeoption.com should go live on the 26th! :D title should say upgrade option not optin ;)
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The Fashion Boy is Cool Trailer (1993)
23 April 1993 Animated, Romance 30 mins
When the bubbly 14-year-old Kotobuki falls in love with 26-year-old Hodaka, the owner and clothing designer of a popular boutique, she lies about her age in attempt to get closer to him. He is slow to warm up to her until a strange young man named Kazuomi asks Hodaka for part-time employment and stirs things up between them.
Watch the official The Fashion Boy is Cool 1993 trailer in HD below or find more The Fashion Boy is Cool videos on Vidimovie.


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Results 1 to 3 of 3
Thread: ADO Update Efficiency
08-31-04, 11:10 #1Registered User
- Join Date
- May 2004
- Location
- Posts
- 87
Unanswered: ADO Update Efficiency
Hi All,
I tried my luck in the Access forum and I've search the web and MSDN for an answer with little luck.
Simply, is it better to update a table via an UPDATE query or Recordset manipulation?
I have read that if you were to update 10,000 records an UPDATE query is more efficient (obviously), but does that transend down to say 1 - 10 updates?
i.e. There are six unique updates I want to make to 6 different rows. Should I code the backend VB to execute 6 different queries or seek and update a recordset?
It's a MS Access XP app with ADO 2.8.
My gut feeling on this is that making 6 update queries is more efficient, both with system resources and record-locking issues; I'd just like another opinion on the matter.
I appreciate your help!
08-31-04, 11:57 #2Window Washer
- Join Date
- Nov 2002
- Location
- Jersey
- Posts
- 10,322
How about this....
store the keys and values in an access table and join the sql server table to it and perform the update....
UPDATE s
SET Col1 = a.Col1
FROM SQLTable s INNER JOIN AccessTable a
ON s.key = a.keyBrett
It's a Great Day for America everybody!
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The physical order of data in a database has no meaning.
09-01-04, 14:30 #3Registered User
- Join Date
- May 2004
- Location
- Posts
- 87
Hey Brett,
While that would be efficient, however the data is being populated via a form. To update a "search table" then run the query would include extra transactions: 6 queries/seeks to update the search table then another query to update the main table.
I decided on this:
'con = open connection Con.Execute "UPDATE ...", , adExecuteNoRecords
'rs open with appropriate connection; seek and index support rs.Index = "PrimaryKey" rs.seek "pkval1", "pkval2", adSeekFirstEQ rs!val1 = newval1 rs!val2 = newval2 rs.update


text:
Reports have surfaced in Iran claiming that the United States has approached the Middle Eastern country about possibly participating in a mini-tournament on American soil prior to next summer's World Cup in Brazil. The U.S. Soccer Federation has yet to either confirm or deny the reports, although U.S. State Department spokesperson Marie Harf told a briefing on Monday: "We've always said we were open to direct negotiations and talks with the Iranians, so where a better place than on the soccer field, right?"
Meanwhile, Ali Kafashian, head of Iran's soccer federation, has been quoted as saying: "We have obtained the approval from the U.S. soccer federation for a football tournament that will involve both national teams." No date or location has been mentioned, although it has been suggested that four teams would compete, with the other two nations being as yet undisclosed.
U.S. Soccer spokesman Neil Buethe would only confirm that the USSF is considering hosting a tournament for countries that have qualified for Brazil 2014. "We have been actively talking to numerous federations that have qualified for the World Cup about playing in the U.S. in late May and early June," he said. "All of these discussions are preliminary and we do not have any matches set at this point."


text:
|Publication number
|Publication type
|Application number
|Publication date
|Jan 9, 2007
|Filing date
|Dec 20, 2002
|Priority date
|Dec 20, 2002
|Fee status
|Also published as
|Publication number
|Christopher Goh, Keith Anthony Hall, Thomas R. Boussie, Vince Murphy, Trevor G. Frank, William H. Chandler, Jr., Lynn Van Erden
|Original Assignee
|Symyx Technologies, Inc.
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (50), Non-Patent Citations (5), Classifications (32), Legal Events (7)
|External Links: USPTO, USPTO Assignment, Espacenet
The present invention relates to an apparatus and method for screening two or more samples under controlled environmental conditions. More particularly, the present invention relates to an apparatus and method for permitting the screening of two or more material samples under controlled temperature and pressure, wherein one or more chemical components may be injected into the screening apparatus at ambient conditions or under pressure at any point during the screening.
The application of combinatorial methodologies to the discovery of new materials such as polymers continues to receive considerable attention in academia and industry because it has the potential to increase greatly the rate of discovery over conventional discovery methods. For the discovery of new materials, such methodologies have great utility in the field of homogeneous catalysis, which often employs organometallic catalysts. U.S. Pat. No. 6,030,917, incorporated herein by reference, owned by the Assignee of the present application and entitled Combinatorial Synthesis and Analysis of Organometallic Compounds and Catalysts, issued February 2000 to Weinberg et al., discusses general combinatorial methods for preparing organometallic compounds such as catalysts. Organometallic compounds and catalysts may be generated by the reaction of metal precursors with ligands. PCT Application No. PCT/US00/00418, incorporated herein by reference, published July 2000 and owned by the Assignee of the present invention, discusses library formats for ligand arrays that may be used in the application of combinatorial methodologies. Typically, active catalysts are then generated by treatment of said organometallic compounds and catalysts with chemical components such as suitable activators and/or scavengers. Often, it is preferable to generate active catalysts in the presence of at least one of the monomers, and even more preferably all the monomers, to be polymerized, and under conditions where parameters such as monomer concentrations, reactant ratios, partial pressures of gases and temperature are carefully controlled. Without careful control over such experimental parameters the performance of the catalyst and the nature of the product may be adversely affected. For example, catalysts may decompose more readily in the absence of the monomer(s) to be polymerized. Generation of an active catalyst is generally preferably done under pressure and temperature equilibrated conditions, and is especially important and challenging for polymerization involving the use of gaseous monomers such as ethylene, propylene, vinyl chloride and isobutylene.
A typical primary screening workflow that utilizes combinatorial methodologies for the discovery of new catalysts such as homogeneous catalysts that may polymerize olefinic monomers involves the screening of large arrays of potential catalysts for their activity and ability to produce polymers or copolymers with desired polymer properties such as molecular weight distribution, comonomer content, sequence distribution, melting point, mechanical and rheological properties and the like. The most promising catalysts as judged by, for example, their activity and the molecular weight distribution of the polymers they produce may be screened later under more carefully controlled conditions to further probe or ascertain polymer properties, composition, or structure.
Often, there is a need for conducting primary screening experiments at elevated temperatures and pressures, and for carrying out post-reaction characterization of the products. Precise control of variables such as temperature, agitation, pressure, and timing and sequence of addition of reagents is often needed. Without careful control screening results may be compromised by uncertainties in the contributions from these experimental factors.
Conventional primary screening reactor designs do not typically allow for the addition of reagents such as scavengers and activators at a desired reaction temperature or in the presence of pressure-equilibrated gaseous monomers. For example, arrays of catalyst precursors are often activated at room temperature and are rapidly transferred to a heater where the reaction vials within the array gradually reach the desired screening temperature. The time required to reach the screening temperature introduces an ambiguity with respect to the temperature at which the polymerization actually occurs. The performance of catalysts is expected to be dependent on temperature. For example, some catalysts may be active at room temperature yet are less active or decompose at higher temperatures. These catalysts may appear as false positives in primary screening experiments using past methodologies involving a temperature ramp during the polymerization, and may lead to unnecessary follow-up studies. Properties of the polymer product produced are also expected to be strongly dependent on temperature. As a consequence, rating the capability of catalysts to produce certain products as a function of temperature may be difficult without the capability of activating catalysts at the reaction temperature and at set monomer pressures.
The inability to activate catalyst precursors under pressure equilibrated conditions in past primary screening processes may also lead to false negatives. For example, catalysts are typically activated at room temperature either in the presence of a small amount of solubilized monomer or in the absence of monomer. These small amounts of monomer may not be able to stabilize very active catalysts to the degree that would be achieved if all the desired monomer were present. Without this stabilization by monomer, these catalysts may degrade.
In another conventional primary screening process, a high pressure reactor containing arrays of catalyst precursors is pre-pressurized with the target monomer mixture in order to allow the monomer to dissolve into the wells of the array. The reaction chamber is depressurized to allow the library to be removed so that, for example, activators may be added, resulting in the outgassing of gaseous monomers from the solutions in the wells of the array. As a result, the gaseous monomers are no longer present at the same concentration that they were when under pressure, leading to uncertainties about the amount and ratio of gasses dissolved. For polymerization reactions involving more than one olefinic monomer, this may mean that the monomer ratios are different at the time of activation. This event creates a less than ideal situation because the monomer ratio and concentration may be critical to catalyst performance as well as polymer composition, property and structure. For example, in a vinyl chloride-ethylene mixture, outgassing of the more volatile ethylene may lead to undesirably high vinyl chloride concentrations, possibly causing catalyst degradation.
Another drawback to traditional primary screening reactors is their limited stirring capabilities that results from the use of conventional rotary stirring. Reactors currently used in primary screening are typically placed on top of conventional magnetic stir plates, which are used to move stir bar elements located in individual wells. However, the rates of stirring may depend strongly on the location of the wells relative to the center of the stir plate, which can have a dramatic affect on the ability of gaseous reagents to diffuse into reaction mixtures within the wells. This may lead to inhomogeneous diffusion rates for gaseous monomers such as ethylene from well to well within a library, resulting in ambiguities in data obtained for diffusion-limited reactions.
For the aforementioned reasons, it is desirable to activate the catalyst precursor libraries once pressure and temperature equilibration have been reached. Additionally, it is desirable to provide homogenous stirring to libraries while being screened in such high throughput reactors.
An apparatus and method for injection of one or more chemical components into a reaction chamber are disclosed. The apparatus includes a reaction chamber for receiving one or more libraries in a fixed position relative to the chamber and configured to form a sealed enclosure. An injection manifold is located within the reaction chamber and selectively movable relative to the libraries. The injection manifold is configured for receiving at least one fluid transfer line coupled to an external source for injection of one or more chemical components into the reaction chamber.
The apparatus may further include a stirring system for agitating the samples and a heating system. An inlet is preferably provided for introducing a charging agent into the sealed reaction chamber. The reaction chamber may be configured, for example, to sustain a pressure of 5 psi, 60 psi, or 200 psi, or a vacuum.
In one embodiment, a motor drive system is provided to impart motion of the injection manifold relative to the samples. A magnet and sensor may be used to identify a home position of the injection manifold so that the manifold can be positioned relative to its home position.
The reaction chamber may be formed from a cylindrical housing and a door which is movable between an open position, closed position, and safety position in which the pressurized reaction chamber is vented to slowly release pressure.
In another aspect of the invention, an apparatus for injection of one or more chemical components into a reaction chamber generally comprises a reaction chamber for receiving one or more libraries and configured to form a sealed enclosure operable to withstand a pressure of approximately 60 psi. Each of the libraries comprises two or more samples. The apparatus further includes an injection manifold configured for receiving at least one fluid transfer line coupled to an external source for injection of one or more chemical components onto one or more of the samples with the reaction chamber pressurized. The injection manifold is movably mounted within the reaction chamber to position the fluid transfer line for injection of the chemical component onto a selected sample.
A method for injection of one or more chemical components into a reaction chamber generally comprises inserting one or more libraries into a reaction chamber in a fixed position relative to the reaction chamber and sealing the reaction chamber. The reaction chamber is then pressurized. An injection manifold is positioned over selected samples and one or more chemical components are injected onto respective samples of the libraries with the sealed reaction chamber pressurized.
The above is a brief description of some deficiencies in the prior art and advantages of the present invention. Other features, advantages, and embodiments of the invention will be apparent to those skilled in the art from the following description, drawings, and claims.
Corresponding reference characters indicate corresponding parts throughout the several views of the drawings.
The following description is presented to enable one of ordinary skill in the art to make and use the invention. Descriptions of specific embodiments and applications are provided only as examples and various modifications will be readily apparent to those skilled in the art. The general principles described herein may be applied to other embodiments and applications without departing from the scope of the invention. Thus, the present invention is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features described herein. For purpose of clarity, details relating to technical material that is known in the technical fields related to the invention have not been described in detail.
The following terms are intended to have the following general meanings as used herein:
Activator: An "activator" means any chemical species that is added to a catalyst precursor that enables a catalytic process.
Charging Agent: A "charging agent" means any chemical component introduced into the reaction chamber that contacts the samples, (e.g., the charging agent can be dissolved or absorbed into the sample). The charging agent may be, but is not limited to, a monomer, a catalyst, activator, scavenger, quenching agent, or any other chemical component or agent.
Chemical Components: "Chemical components" mean any chemical species (solid, liquid or gas) that are part of an experimental design, and may include, but are not limited to, solvents, ligands, metal precursors, activators, monomers, catalysts, catalyst precursors, scavengers, quenching agents, or other similar chemistry.
Library: A "library" means an array of samples formed on or supported by a common substrate. The library may include a plurality of different samples or may be comprised of an array of the same samples. The samples can be directly in contact with the substrate, or can be in a plurality of containers supported by a common substrate.
Scavenger: A "scavenger" means a chemical species added to remove unwanted species from the sample or reaction mixture.
Substrate: A "substrate" is a material having a rigid or semi-rigid surface. In many embodiments at least one surface of the substrate will be substantially flat. In some embodiments the substrate will contain physical separations between regions for different materials. Suitable physical separations include, for example, dimples, wells, raised regions, and etched trenches. According to other embodiments, small beads or pellets may be provided on the surface, either alone or within substrate surface dimples. The surface area of the substrate is designed to meet the requirements of a particular application.
Quenching Agent: A "quenching agent" is a chemical species that renders an active catalyst inactive by altering or destroying the catalyst. Quenching agents for olefin polymerization catalysts may include carbon dioxide and alcohols such as methanol.
The apparatus of the present invention may be used to screen two or more samples individually or as part of a library. The screening performed by the apparatus may include the gathering of data determinative of one or more properties of the samples or one or more characteristics of reactions or interactions for each of the samples, individually or collectively, or in conjunction with other chemical components. In particular, the apparatus may be used to screen for properties such as, but not limited to, material properties such as but not limited to, melting point, glass transition temperature, thermodynamic or kinetic parameters, emissivity or physical properties such as, but not limited to, spectral properties and or Theological properties. The apparatus may also be used to screen for characteristics of reactions such as, but not limited to, conversion, selectivity, heat of reaction, kinetic profile of heat of reaction, and exothermic/endothermic profiles, molecular weight, molecular weight distribution, or other thermal events or characteristic of the respective samples. The apparatus may be operated in serial or parallel modes to perform the screening process.
Referring now to the drawings, and first to
One method of using the screening apparatus 20 includes the steps of inserting one or more libraries 26 into the reaction chamber 22 and sealing the reaction chamber. The chamber 22 may then be filled with a charging agent such as a monomer or other chemical components that contact the samples. For example, the charging agent may be a polymerizable olefin such as ethylene, propylene, isobutylene, etc. Once the charging agent has been added, the system may be allowed to equilibrate at a desired temperature and pressure.
While the apparatus 20 is under equilibrated conditions, chemical components may be injected in-situ into the reaction chamber 22 to provoke or stimulate a chemical reaction or induce other chemical or physical changes in the respective samples. The chemical components may be injected into the reaction chamber 22 via the injection manifold 28 such that the chemical components may be applied to the respective samples of a library 26 as desired or simply injected into the reaction chamber and allowed to come into contact with the samples. It will be appreciated that all of the libraries 26 may be exposed to the same reaction conditions (i.e., reaction chamber temperature and pressure). The apparatus may also be used to perform semi-continuous additions to the samples.
Alternatively, the apparatus may be used in, but not limited to, the following manner: the chemical components may be injected into the reaction chamber 22 or directly onto respective samples without charging the reaction chamber (i.e., the reaction chamber is not pressurized with a charging agent), or the apparatus can be charged with the charging agent and no other chemical components injected into the reaction chamber or onto the respective samples.
The apparatus may also be used, for example, to quench reactions at different times by adding a quenching agent such as a catalyst poison. This may improve interpretation of screening results for arrays of materials that exhibit a broad range of catalytic activity. For example, if every reaction within an array is allowed to proceed for the same amount of time, the most active catalysts may generate an excessive amount of product, which can hinder post reaction analysis and reactor clean up. Conversely, the least active catalysts within the array may generate an amount of product that is insufficient for characterization. By limiting the reaction time for individual wells within an array through, for example, monitoring the amount of product in each of the vessels through a gaseous monomer uptake measurement, mechanical oscillators or phase lag measurements, the user can stop a particular reaction by injecting the catalyst poison into the vessels once a predetermined conversion is achieved. Thus, within the same reactor and in the same experiment, low and high activity catalysts may undergo reaction for relatively long and short time periods, respectively, with both sets of catalysts generating about the same amount of product. Furthermore, with the ethylene pressure being controlled, the fluid injection system allows for easier manufacture of block copolymers via the addition of comonomer through the injection port.
Referring again to
End rings 50, 52 arc preferably welded to each end of the housing 36 to provide attachment points for the end plate 38 and door 40. Each ring 50, 52 includes a plurality of mounting holes 54 for receiving fasteners such as bolts or other fastening means.
The housing may be formed of a metal or composite material. In the disclosed embodiment, the housing may be fabricated using a 316 stainless steel seamless tube. The thickness of the tubular member may be selected based on the ambient conditions and internal pressures to which the apparatus will be exposed. One of skill in the art will understand that other materials having sufficient thermal, material or corrosion resistant properties may be used to fabricate the housing. It is to be understood that the housing may be configured using other simple or complex geometric shapes.
The fully assembled and sealed reaction chamber 22 may be pressurized and maintained in pressure and temperature equilibrated conditions for a predetermined time period. The housing 36 can be designed to withstand predetermined pressure and stress levels. Finite element analysis can be used to calculate the anticipated stress levels, and one of skill in the art will appreciate that the exact dimensions of the housing will vary depending on the stress and pressure levels to which the housing will be exposed. In the disclosed embodiment, the housing is designed to withstand an internal maximum pressure of approximately 200 psi, vacuum pressure levels of approximately 10−4 Torr, and to withstand, at a minimum, stresses of approximately 3.0 times the yield strength and 1.5 times the tensile strength of the material forming the housing. The housing may also be designed, for example, to operate at pressures of 5 psi, 10 psi, 50 psi, 100 psi, 500 psi, 1000 psi, or other selected pressures.
The reaction chamber 22 is pressurized via an inlet line 60 attached to the end plate 38 (
In the disclosed embodiment, two vent ports are formed in the end plate 38 for receiving two vent lines 62 which allow the sealed chamber 22 to be vented upon the occurrence of predetermined conditions. The vent lines may be formed, for example, from ⅜ inch outer diameter tubing. The vent ports may support gauges for monitoring the internal pressure of the reaction chamber. The vent ports may also be coupled to a vent control valve and a pressure release mechanism (not shown). The vent control valve causes the venting of the reaction chamber 22 upon occurrence of a predetermined pressure, and the pressure release mechanism may be electrically coupled to a computer or processor that commands opening of the control valve. For example, the computer can be programmed with a preset time period for performance of the screening. At the end of the preset time period, the computer issues a command causing the pressure release mechanism to open, releasing the pressure in the reaction chamber. It will be understood that the vent control valve may be controlled manually rather than computer controlled and a burst disk may also be provided. Pressure may also be controlled during the experiment with a mass flow controller, back pressure controller or other suitable device.
The end plate 38 further includes an opening for receiving a magnetic feed through coupled to a stepper motor drive system which imparts motion to the injection manifold 28 (discussed in detail below). The end plate 38 may also support a gauss level sensor for homing the selectively movable injection manifold 28. An opening for a servomotor used to drive a magnetic stirrer is also provided, along with temperature control and power feed through for a heater block of a heating system. Suitable sealing is provided at each component interface with the end plate 38. One of skill in the art will appreciate that these components may be enclosed in a casing in order to provide a barrier or seal isolating the access points into the reaction chamber 22 from ambient pressure and temperature.
Additionally, the reaction chamber 22 may support various sensors and sampling devices or probes for measuring temperature and pressure or analyzing contents therein, including the contents of wells within libraries therein. Sensors include but are not limited to pressure and temperature transducers and related devices (infrared cameras, thermocouples and thermisters), fiber optic sensors for measuring spectroscopic or other physical properties, chemical composition analyzers, and devices for determination of mechanical and rheological properties. Sampling devices and probes include but are not limited to liquid handling robots such as, for example, those manufactured by Cavro Scientific Instruments, Inc. (San Jose, Calif.). Sensors and sampling devices may be positioned within the reaction chamber 22 to provide for sampling and chemical analysis of one or more of the reaction wells within libraries contained therein. For example, the aforementioned serial or parallel injector arrays may be fitted with sensors or used to sample material from wells within libraries in the chamber or sample the environment within the chamber. In another embodiment, the reaction chamber can be fitted with valves that allow sampling devices and sensors to penetrate the valves and remove or analyze material from within the chamber or wells within libraries for analysis. One of skill in the art will appreciate that all gauges or sensors may be actuated and monitored manually or via computer. One of skill in the art will appreciate that all gauges or sensors may be monitored manually or via computer. For example, a computer system may be used for monitoring and storage of data gathered from sensors.
Internal components of the reaction chamber 22 are shown in
As shown in
The sample plate 26 defines an array of adjacent wells 82 such that each well is connected to an adjacent well by an intermediate mass of material. It will also be appreciated that the wells can be individually formed and remain unconnected. Samples may also be retained in individual containers such as glass vials which are inserted into the wells 82. The sample plate may be fabricated in a variety of configurations using both simple and complex geometric shapes, including but not limited to circles, squares, rectangles, octagons, etc. Additionally, the sample plate may comprise a flat plate having a plurality of depressions formed therein, wherein each depression is designed to support a liquid or solid sample. In one embodiment, the sample plate 26 may be a microtiter plate.
One of skill in the art will appreciate that materials such as, but not limited to, metals, ceramics or plastics may be used. In the disclosed embodiment, the tray 24 is configured to hold four sample plates 26, each sample plate having 96 wells. It is to be understood that any number of sample plates having the same or different number of wells may be used without departing from the scope of the invention.
As previously discussed, the injection manifold 28 is selectively movable relative to the sample support plates 26 (
The injection manifold 28 is coupled to one or more injectors 73 that are attached to the fluid transfer lines 72 (
The injection manifold 28 includes an injector head 86 having a plurality of openings 88 for receiving downstream ends of the fluid transfer lines 72. The injectors 73 may be inserted into openings 88 for receiving the fluid transfer lines 72 or the lines may be inserted directly into the openings with the tube ends forming the injector, as previously discussed. The injector head 86 includes an opening for receiving a homing magnet 94 for operation with a gauss level home sensor (not shown) supported by the end plate 38. The gauss level sensor is used to sense the home position of the injection manifold 28 so that the manifold can be moved a specified distance relative to this home position to accurately position the manifold 28 over selected samples. The homing magnet 94 cooperates with the gauss level sensor to calibrate the injection manifold 28 to a preset home or start position. The homing magnet and the gauss level sensor operate to control the distance that the injector manifold travels. For example, the injection manifold home or starting position established due to the cooperation of the homing magnet 94 and the gauss level sensor may be programmed into a computer. The computer monitors and controls the movement of the injector manifold using the home or starting position as a reference. The gauss level sensor may be, for example, one available from Sensor Solutions Corp. of Colorado, under product designation M12x1-000AHSw.
Guide rail slides 90, 92 are mounted on opposite ends of the head 86 and extend from one side thereof (
The magnetic feed through 100 may be of a type conventionally used in the industry, and may include a magnetic driver assembly having one end coupled to the belt drive assembly 101 and the other end magnetically coupled to a magnetic follower. Rotation of the belt drive system induces a torque in the magnetic driver. Because of the magnetic coupling between the driver and the follower, rotation of the driver assembly induces rotation of the follower. The follower is coupled to the threaded rod 78 using generally known fastening and sealing techniques in order to maintain a pressure tight seal between the point of entry of the magnetic feed through into the chamber 22. Hence, rotation of the follower results in rotation of the threaded rod 78, and as a result, the injection manifold 28, which is movably supported on the threaded rod, is caused to linearly traverse the threaded rod when the magnetic feed through and belt drive 101 are activated. The motor may be, for example, a stepper motor available from Oriental Motor Co. Ltd. of Japan under product designation PK266M-E2.0AR11.
As best seen in
The lines 72 may be formed from any suitable polymer tubing, such as TEFZEL (ETFE) available from DuPont, for example. The tubing 72 is preferably inserted into injectors 73 fitted within the openings 88 on the injector head 86 (only two shown in
As described above, openings 88 in the injection manifold 26 are coupled to one or more injectors 73 that may be separately coupled to a supply of chemical components up-stream. Each fluid transfer line 72 may be coupled to a single multi-channel serial pump 87 using known fastening techniques (
The multi-channel serial pump 87 permits each outlet to be coupled to different chemical components, including solvents. Thus, each fluid transfer line 72 may receive one or more chemical components during the course of the experiment. In the embodiment shown, one pump transfers chemical components 122 from one or more supply sources 120 to eight injector channels 118. It is to be understood that additional pumps and channels may be provided. For example, five pumps each having eight channels may be used to provide chemical components to forty separate injectors. A pump may also be used to remove waste from the waste basin 130 (
In an alternative embodiment, each injector may be coupled to a separate pump 87, 89 and supply of chemical components 122.
As previously discussed, a heating system may be used to heat the samples in the sealed reaction chamber 22. Referring again to
A flexible heating element (not shown) may be coupled to the underside of the heater block. In the disclosed embodiment, a Kapton� substrate supporting a heating element, (e.g., a resistive heater) is coupled to the heater block 32 using a contact adhesive. Kapton� is a high-strength polyimide film available from DuPont. One of skill in the art will appreciate that other polyimide film or any other material that can support a resistive heating element may be used in place of the Kapton� polyimide film. Also, a thermocouple (not shown) may be coupled to the heater block for temperature control purposes. The opposite side of the Kapton� heater may be coupled to an interface plate using a contact adhesive. The interface plate may be made of a low thermal conductivity material in order to help reduce heat transfer from the heater block to adjacent external components.
The heater block 32 is preferably configured to heat the samples to 140� C. in under 30 minutes. The apparatus 20 may also include a heating blanket (not shown) wrapped around the housing 36 to provide additional heating to the reaction chamber 22 and prevent internal condensation of volatile materials (such as chemical components and products of reactions) as well as heat loss from the chamber.
In a preferred embodiment, the apparatus 20 includes a mechanism or means for agitating the samples either individually or collectively. For example, the apparatus may include a tumble stirrer, such as an Alligator Microplate Magnetic Stirrer available from V&P Scientific, Inc. of California. The stirrer system 30 includes a plurality of magnets (not shown) encased within a rod contained within a stainless steel tube 124 having one open end (
Alternatively, agitation may be introduced into the samples by other means or techniques, including, but not limited to, vibratory devices, electromechanical/electromagnetic instruments, ultrasonic devices, or other similar devices or instruments for stimulating the samples at a molecular or particle level.
Details of the door assembly 40 are shown in
An outer surface of the door 40 includes a handle 132 for moving the door between its closed/locked position (
The door assembly 40 further includes a safety spring loaded pin 160 and an open/close spring loaded pin 162 (
Locking pins 168 are provided to securely lock the door 40 for pressurization of the chamber 22 (
The door assembly 40 further includes a position identifier on rotatable plate 180 (
The door handle 132 and components coupling the handle to the door assembly may be configured such that the door cannot be opened when there is an internal pressure above a specified limit (e.g., 5 psi) for safety purposes.
The apparatus 20 may be enclosed in an enclosure such as a dry box (not shown). Installation of the apparatus in a dry box may allow the apparatus to be used with chemicals or reactant components classified as hazardous or non-hazardous or water/oxygen sensitive chemicals, as the dry box may isolate the apparatus from the surrounding environment. The dry box may also include a pressure relief mechanism or valve such as a conventional burst disk to permit venting of the interior of the dry box to ambient should the internal pressure of the dry box exceed predetermined design limits.
The following provides an example of operation of the apparatus 20 described above. After sealing the reaction chamber 22, a charging agent may be introduced into the reaction chamber (
In the disclosed embodiment, the charging agent may be a gaseous monomer. More specifically, the charging agent may be ethylene gas introduced into the reaction chamber 22 under pressure. For instance, the gas may be introduced into the reaction chamber 22 at a pressure of approximately 60 psi. One of skill in the art will appreciate that other chemical components may be used as the charging agent, and that different pressure levels may be used. For example, the reaction chamber 48 may be pressurized to 1 psi, 5 psi, 10 psi, 50 psi, 100 psi, 200 psi, 500 psi, or 1000 psi.
The in-situ injection of chemical components into the reaction chamber 22 may take place at any point or under any conditions prior to, during the course of, or after the screening experiments. The process of in-situ injection may be computer controlled. For example, a computer can be programmed with software for controlling the sequence of the injections, as well as the timing for the injections.
The injection manifold 28 may be moved incrementally such that desired injectors of the injection manifold align with selected samples supported by the sample plates 26. It will be appreciated that the injection manifold 28 is activated using conventional techniques to cause one or more chemical components to be applied to two or more samples retained on the sample plate. The aforementioned process may be repeated until all desired sample plates 26 have been treated with one or more chemical components.
Data may be gathered from wells of the one or more arrays within the device by coupling appropriate electrical components, sensors, or probes to one or more samples supported by each sample support plate 26 via an electrical feed through. Electrical or optical feed through may be provided via the fluid transfer plate 42 or end plate 38, for example. Data characterizing thermal characteristics of reaction or material properties may be measured by coupling a thermister or thermocouple to the sample plate 26 at each of the sample wells 82 or to the individual samples themselves via the electrical feed through. Data characterizing chemical, physical, or material properties or the contents of wells within the arrays may be acquired similarly. The collection of data via the electrical feed through may be performed manually or by an appropriately programmed computer. After the data gathering process has been completed, the system may be evacuated, purged, and the process described herein repeated.
A computer system may be used to control the injection of components, monitoring of samples, or analysis of data. For example, injections of various components may be computer controlled such that they are performed over time based on pre-planned experimental design. The computer system may include a user interface which allows a user to specify temperature settings, movement of the injection manifold, components to inject, and pump settings, for example.
The following example illustrates the principles and advantages of the invention.
The reaction chamber was heated to 75� C. A 96 element library in an aluminum reactor block comprised of four zones of 24 wells was placed in the reactor. Each of the four zones contained 23 solutions of distinct metal precursor-ligand-Group 13 reagent combinations in toluene and one metal precursor-Group 13 reagent solution in toluene. In each of the four zones, a different Group 13 reagent was used. The stirrer was set in motion at 400 rpm. The chamber was closed, purged with a gaseous vinyl monomer such as ethylene or propylene and pressurized with said monomer to 80 psig. After priming the pumps with reactants, a single activator such as triphenylcarbenium tetrakis(pentafluorophenyl)borate ((Ph3C)(B(C6F5)4)) or N,N-di(n-alkyl)anilinium tetrakis(pentafluorophenyl)borate, where each alkyl is independently (CH2)nCH3 (n may be 13, 15 or 17), was added to the 96 wells of the library. Polymerizations were allowed to occur over a period of 60 minutes, during which time the monomer pressure was maintained at 80 psig. After the run time of 60 minutes, the reactor was vented and purged three times with nitrogen. The reactor door was opened and the reactor block removed to allow analysis of polymerization products.
Although the present invention has been described in accordance with the embodiments shown, one of ordinary skill in the art will readily recognize that there could be variations made to the embodiments without departing from the scope of the present invention. Accordingly, it is intended that all matter contained in the above description and shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
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|Catalyst ligands, catalyst compositions, catalyst metal complexes and processes for cross-coupling aromatic boron compounds with aromatic halogens or perfluoroalkylsulfonates
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|Parallel fixed bed reactor and fluid contacting apparatus
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|Systems and methods for employing optical probes to characterize material properties
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|Symyx Technologies
|Depolarized light scattering array apparatus and method of using same
|Apr 2, 1999
|Jan 16, 2001
|Symyx Technologies, Inc.
|Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers
|Dec 14, 1999
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|Symyx Technologies, Inc.
|Substituted aminomethylphosphines, compositions and coordination complexes of same, their synthesis and processes using same
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|Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators
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|Method for creating and testing a combinatorial array employing individually addressable electrodes
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|Phosphor Materials
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|Ancillary ligands and metal complexes, catalysts and compositions using same and methods of testing
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|Thermoelectric material system
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|Compositions and metal complexes having ancillary ligands
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|Combinatorial synthesis and analysis of organometallic compounds and homogeneous catalysts
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|Process of preparing [2-(1-piperazinyl)ethoxy]methyl compounds
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|Stabilization of the reagent dimethyl titanocene
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|Symyx Technologies, Inc.
|High-temperature characterization of polymers
|Apr 2, 1999
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|Automated sampling methods for rapid characterization of polymers
|Apr 22, 1999
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|Symyx Technologies, Inc.
|Methods for using phosphine ligands in compositions for suzuki cross-coupling reactions
|Aug 20, 1999
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|Symyx Technologies, Inc.
|Phosphine ligands metal complexes and compositions thereof for cross-coupling reactions
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|Indirect calibration of polymer characterization systems
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|Parallel reactor with internal sensing
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|Remotely operable closure device
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|Dales G. Cameron
|Apparatus and methods for parallel processing of multiple reaction mixtures
|Nov 21, 2001
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|Florkey Edward J.
|Sterilizer including air purging system and pressure actuated door seal
|Jun 21, 2001
|Jan 2, 2002
|Tohoku University
|Apparatus for evaluating activity of catalysts
|May 15, 2001
|Nov 20, 2002
|Premex Reactor AG
|Apparatus for performing multiple catalytic reactions at the same time
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|Sep 4, 1997
|Technology Licensing Co. L.L.C.
|Catalyst testing process and apparatus
|Mar 18, 1997
|Sep 25, 1997
|Deutsches Krebsforschungszentrum Stiftung des �ffentlichen Rechts
|Radiation detection device
|Oct 7, 1997
|Apr 16, 1998
|Symyx Technologies
|Infrared spectroscopy and imaging of libraries
|Aug 12, 1999
|Feb 24, 2000
|Symyx Technologies
|Parallel reactor with internal sensing and method of using same
|Dec 3, 1999
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|Continuous feed parallel reactor
|Jan 6, 2000
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|Apparatus and method for combinatorial research for catalysts and polymers
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|Sinvent As
|Multi-test assembly for evaluating, detecting and monitoring processes at elevated pressure
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|Dec 13, 2001
|Symyx Technologies, Inc.
|Parallel semicontinuous or continuous reactors
|Jan 28, 2002
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|Apparatus and methods for parallel processing of multiple reaction mixtures
|Carmona, Ernesto et al., Synthesis and Properties of Dialkyl Complexes of Nickel (II). The Crystal Structure of Bis(pyridine)bis(trimethylsilylmethyl)nickel(II), J.C.S. Dalton, pp. 777-782.
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|U.S. Classification
|422/514, 422/65, 422/130, 422/553
|International Classification
|Cooperative Classification
|European Classification
|Apr 16, 2003
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General Manager
Take responsibility for a single department or store of a larger company.
Manages hotel or motel to ensure efficient and profitable operation: Establishes standards for personnel administration and performance, service to patrons, room rates, advertising, publicity, credit, food selection and service, and type of patronage to be solicited. Plans dining room, bar, and banquet operations. Allocates funds, authorizes expenditures, and assists in planning budgets for departments. Interviews, hires, and evaluates personnel. Answers patrons' complaints and resolves problems. Delegates authority and assigns responsibilities to department heads. Inspects guests' rooms, public access areas, and outside grounds for cleanliness and appearance. Processes reservations and adjusts guests' complaints when working in small motels or hotels.


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Reaction has been mixed, but mainly muted, to a federal judge's order this week striking down a University of Georgia admissions policy that gave preference to blacks and males.
University System of Georgia Chancellor Stephen Portch commented only cautiously Tuesday.
''We are disappointed in this order from Judge Edenfield,'' Portch said in a prepared statement released Tuesday. Although UGA officials said Tuesday they were leaning toward a likely appeal of District Judge Avant Edenfield's decision, Portch declined to lean one way or another on that issue.
''Currently, we are seeking legal advice from the Attorney General's Office on our options,'' he said. ''At the same time, we are maintaining, steadfastly, our focus on the University System's key mission -- which is to guarantee access by all of this state's citizens to public higher education in Georgia.''
Two constitutional law experts at the UGA School of Law, who are generally more than willing to help reporters understand complex legal rulings, declined comment Tuesday.
The law school is facing its own lawsuit challenging a racial preference in its admissions formula, and the school's lawyers -- the state office of the attorney general -- have instructed people in the school not to comment, said professor Dan Coenen. Associate law school dean Paul Kurtz also declined comment, citing the pending lawsuit.
However, Monday's decision is not much of a surprise, according to an Athens lawyer who frequently handles cases alleging sex or race discrimination.
''I'm a little surprised, but no one should be too surprised,'' said Joseph C. ''Pat'' Nelson of the decision, in which Edenfield ruled that UGA's method of awarding ''points'' based on race is unconstitutional because ''the promotion of student body diversity in higher education is not a compelling interest sufficient to overcome Title VI's prohibition against racial discrimination.''
Edenfield also ruled that UGA's gender preference, which made it easier for men to get into UGA than women, was also illegal.
The judge ordered UGA to admit three white women who had sued UGA after being denied admission to the freshman class of 1999, and awarded the women a total of $9,246.11 -- the difference between what their college costs would have been at UGA and the costs over the last year at the colleges they wound up attending.
UGA dropped the sex preference for this year's class, but has kept its race preference.
UGA was clearly wrong to give men a break, but the Supreme Court has not yet struck down the concept of ''affirmative action'' for groups which have been the victims of past oppression, such as black people, Nelson said.
''Trying to create an equal number of men and women is not a worthy goal. I thought the preference of men over women was clearly unconstitutional. It demeaned the whole concept of affirmative action. But having a minuscule minority representation is a worthy goal,'' Nelson said.
UGA's policy of giving a small preference for minority members is not so clearly wrong, he said.
''It seems to me that Bakke is still good law,'' he said. Bakke was a Supreme Court decision that allowed universities to use race, in a limited way, as a factor in admissions.
But UGA could take steps that would not only be more clearly legal, but do a better job of increasing minority representation at the school, Nelson said.
''I don't think Lee Parks (the lawyer for the women who sued UGA) opposes efforts to get more blacks into the University of Georgia. He says, 'Look, there are legal ways to do it,' '' Nelson said.
''There's an easy way to do this,'' Nelson added. ''As many have recommended to Adams, you can have people write essays and use many other factors in making admissions decisions and come to similar results without a racial preference,'' he said.
Adams has taken a good first step in giving automatic admission to the top two graduates in each Georgia high school class, the lawyer said. ''I thought it was the best idea he had, but he didn't carry it nearly far enough,'' Nelson said.
Admitting the top 10 percent of each class would be a better method to increase minority representation, and would legitimately counteract aspects of UGA admissions policy that continue to discriminate against the poor and minorities, he said.
UGA gives bonus points to students who are related to UGA graduates, and gives more weight to grades from high schools with good academic reputations -- usually from affluent areas -- than to grades from schools with lesser reputations, often in poorer areas, he said.
''Herschel Walker was the valedictorian of his high school class and wouldn't have gotten into the University of Georgia,'' said Nelson -- Walker, a product of one of Georgia's poorer counties, Johnson County, would not have been admitted to UGA back in 1980 if he had not been an athlete -- much less today, when admission standards are much tougher.
''But he was obviously smart enough to do college work,'' Nelson said. ''It (UGA giving more weight to ''better'' schools) makes you doubly pay for going to a bad school.''
Higher education reporter Lee Shearer can be reached at firstname.lastname@example.com or (706) 208-2235.
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In 2010 social entrepreneur & mentor to young offenders at London's Feltham Young Offenders Institute, Sadie Kaye, sailed to Venezuela with 3 persistent young offenders, selected at random by The Prince's Trust, on an empowering white-knuckle voyage of self-exploration.
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Your honeymoon is the perfect opportunity to splurge on a trip that you and your soon-to-be spouse will remember for a lifetime. And while most people might immediately think of a week with their toes in the Tahitian sand or a cruise through the Caribbean, there's something to be said about a wintery adventure. After all, what's not to love about roaring fireplaces, furry blankets, rich meals paired with delicious wines, and days spent in the softly falling snow? If a snow-capped honeymoon is what you've always dreamed of, here are three destinations that are even better during the colder months.
Aspen, Colorado
Looking for a honeymoon where you can perfectly balance exciting activities, relaxing (read: lazy) afternoons, and fine dining — all without a passport? Look no further than Aspen, Colorado. Surrounded by four ski mountains that boast some of the best skiing in the world, as well as miles of cross-country skiing and snowshoe trails, the town is a go-to destination for winter sport enthusiasts. Rewind after a long day at the Aspen Club or the spa at the St. Regis Aspen, or get inspired at the town's museums, galleries, and theaters. Shops sell everything from functional outerwear to designer labels (not to mention a serious supply of cowboy boots!), and over 100 restaurants serving up après-ski cocktails, fresher-than-fresh sushi, farm-to-table specialties, and anything else you might crave. Aspen is truly everything you could want from a honeymoon.
See more: Consider These 4 Things When Choosing Your Honeymoon Location
Hallstatt, Austria
On the edge of a lake in the mountains of Austria sits Hallstatt, a historic salt-mining town that has become a charming destination — and a UNESCO World Heritage Site. So why head to the Alps for your honeymoon? Whether you're tempted by powdery snow or world-renowned ski mountains, indulgent (and cozy!) spa treatments, the sprawling Christmas market, or gourmet cuisine (served with schnapps, of course), this quaint village feels like you've walked out of a fairy tale and straight into a snow globe. The tiny town has less than 1,000 residents, so you'll feel like you've got this retreat all to yourselves.
Quebec, Canada
Find the romance of Europe without the trans-Atlantic flight in Quebec. Historic Old Quebec, surrounded by a towering stone wall, is warm, inviting, and incredibly walkable, encouraging you to get lost amongst the cheerily-decorated shops. Don't miss the ice sculptures at the Winter Carnival or the Nordic spas. Head just outside the city for a dog-sledding adventure, then celebrate your newlywed status at one of Quebec's many restaurants. Be sure to share a plate of poutine before you leave, and don't forget to bring a box of chocolates home with you to keep the honeymoon phase sweet!


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Young scientists will examine habitats, plant parts and animal features "up close" and then turn the page to see how these smaller parts fit into the "bigger picture." This high-interest, leveled, nonfiction science series for beginning readers gives a close-up view of the powerful ears of a bat, the thorny stem of a blackberry bush, the sticky tongue of a fly and more. Also perfect for 5-senses study, this 15-book series features outstanding photographs by nature photographer Dwight Kuhn and easy-to-read text by children's author David M. Schwartz. The Look Once Look Again! Collection includes 4 books from the Habitats series and 11 books from the Plants & Animals series. This collection is great for reading first, fluency, vocabulary and text comprehension. The series covers reading levels N-Q. Each book is 16 pages. For grades 1-4. Collection includes:
- 144 student readers (6 of each title)
- 2 resource guides (80 pages each)
- 24 divider tabs with title and guided reading level
Look Once Look Again! Habitats book titles are:
- At the Pond
- In the Park
- In the Desert
- In the Forest
Look Once Look Again! Plants & Animals book titles are:
- Animal Feet
- Animal Noses
- Animal Tails
- Animal Eyes
- Animal Skin & Scales
- Animal Feathers & Fur
- Plant Blossoms
- Plan Fruits & Seeds
- Animal Ears
- Animal Mouths
- Plant Leaves and Plant Stems & Roots
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|Creative Teaching Press
|Creative Teaching Press
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