
dixon valayangal

kemikkal prosessingil upayogikkunna oru roopamaanu dixon ringukal. avayil oru central devider ulla oru valayamaayi roopappetta oru stainless steel mesh adangiyirikkunnu, avaa kramarahithamayi oru paaykk cheytha nirayil paaykk cheyyaan uddeshichullathaanu. dixon valayangal uyarnna pinda kaimatta nirakk nilanirtthumbol valia uparithala vistheernavum thaazhnna mardhavum nalkunnu, ithu vaattiyedukkunnathinum mattu niravadhi prayogangalkkum upayogapradamaakkunnu.
pashchaathalam.
pothinja nirakal.
draavakam/draavakam allengil draavakam/vaathakam enningane rund kalarppillaatha draavakangal thammil adutha sanbarkkam anuvadikkunnathinu paaykk cheytha nirakal vividha vyavasayangalil upayogikkunnu. oru nirayiloode vipareeta pravaahatthiloode draavakangal kadannupokunnu.
kramarahithamaya koolam packing.
kramarahithamayi paaykk cheyyumbol labhikkuna oru khara vasthuvinte paramavadhi vooliyam bhinnasamkhyaye savisheshamaakkaan upayogikkunna kramarahithamaya koolam packing. 1820-kalude thudakkam muthal eee packing reethi upayogikkunnu; upayogicha packing tharangal yadhaarthathil glass golangal upayogichaanu nirmmichathu. ennirunnaalum, 1850-ll avaykku pakaram kooduthal sushirangalulla pumise kallum kookk kashanangalum sthaapichu.
irupathaam noottaandinte thudakkathil friedrich rassig uyarnna shoonyamaaya bhaagatthinte praadhaanyam manassilakkukayum packing meediyayude aantharika uparithalam maas traansfaril pankedukkukayum cheythu. munkaala random paakkinginekkaal phalapradamaayathum valare janapriyavumaya raschig mothiram addeham roopakalppana cheythu. raschig valayangal saadhaaranayaayi seramic allengil loham upayogichaanu nirmmikkunnath, koodaathe draavakavum vathaka neeravi thammilulla prathipravartthanathinaayi niraykkullil oru valia uparithala vistheernnam nalkunnu.
dixon valayathinte vikasanam.
1943ll aisiyile doow. olaaf jorjju dixon koolam vaattiyedukkalinaayi oru puthiya uthppannathinte pettantinu apekshichu. paaykk cheytha nirayude marddam kuraykkunnathinu addeham lessing ringle sheett steelinu pakaram stainless steel mesh upayogichu (vaasthavathil, 1949 leeii prasidheekaranathil avaye "vayar gass lessing rings" ennu vilichirunnu).
radio active noonn-radio active aaya vasthukkalkkidayil uyarnna prakadanam kaivarichu, uyarnna chelavu undaayirunnittum avaa ippozhum aanava vyavasaayathil upayogikkunnu. jii. jalakshaamathin.
apeksha.
pradhaanamaayum laborattari vaattiyedukkal prayogangalkkaanu dixon valayangal upayogikkunnathu.
prakadana thathwangal.
dixon valayathinte mechappetta prakadanam draavaka uparithala pirimurukkatthe adisthaanamaakkiyullathaanu mesh nanayumbol athinte uparithala vistheernnam valareyadhikam vardhikkunnu, athodoppam pinda kaimatta nirakkil vardhanavundaakunnu. dixon valayangalkk munkootty nanaykkendathundu (prathikarana ozhukk aarambhikkunnathin munbu paaykk cheytha kidakkaykku mukaliloode draavakathinte ozhukk). ithu baachu prosessing staarttap samayam vardhippikkumbol, dixon ringinte vardhicha prakadanam ithine marikadakkunnu.