Samuwar, Kimiyya
Tã ruwa, da shirye-shiryen da kaddarorin
A baya, mutane ba tunanin cewa shi ne ruwa da kuma abin da yake da asali. Yana da aka ji cewa wannan kashi, amma yanzu mun san cewa shi ne mai guba fili.
A 1932 dukan duniya ya yada labarai cewa duniyarmu ne amma mai sauki, akwai nauyi ruwa. Yanzu mun riga san cewa zai iya zama 135 isotope iri.
tsarin
Tã ruwa, wadda kuma ake kira deuterium oxide, da sinadaran abun da ke ciki shi ne daban-daban daga al'ada sauki amma maimakon hydrogen atoms kunshe ne a cikin ruwa, shi ya ƙunshi biyu nauyi isotope na hydrogen, wani da ake kira deuterium. Tã ruwa ne na dabara 2H2O ko D2O. Azahiri babu bambance-bambance tsakanin nauyi da kuma sauki ruwa, amma sun bambanta a cikin dũkiyarsu.
Chemical a cikin halayen nauyi ruwa gudana ne weaker fiye da saba.
Tã ruwa ne dan kadan mai guba. Research gwaje-gwajen sun nuna cewa canzawa na hydrogen atoms da deuterium huhu da 25%, Yanã rashin haihuwa a dabbobi. Idan kara ƙara da abun ciki a cikin ruwa, da dabba ya mutu. Duk da haka, wasu kwayoyin tsira a 70% deuterium (Paramecium caudatum). Wani mutum ba tare da kiwon lafiya sakamakon iya sha game da gilashin da ruwa. A wannan deuterium excreted daga jiki a cikin 'yan kwanaki.
Tã ruwa yana da dukiya na tara a electrolyte balance, idan za'ayi reusable ruwa electrolysis. Yana garwaya da wata biyu da sauki ruwa a waje, watau shi ne hygroscopic.
Daya daga cikin mafi muhimmanci Properties na da irin wannan ruwa ne cewa shi kusan ba ya sha neutrons, da kuma wannan damar da shi da za a yi amfani da makaman nukiliya reactors zuwa rage gudu aiwatar da neutrons kuma a cikin sunadarai da shi da ake amfani da matsayin Tracer.
Tã ruwa, liyafar
A cikin shekaru 1933-1946 ya kasance ne kawai hanyar da enrichment electrolysis. Daga baya akwai karin ci-gaba fasahar. Littafi taro samar da ake amfani a shigar rafi ruwa distilled daga electrolyte, da abun ciki a cikinta 0.1-0.2% m ruwa.
A mataki na farko ya shafi wani biyu-zazzabi taro hydrosulphuric fasahar countercurrent isotope musayar, maida hankali a kanti da nauyi ruwa ne 5-10%. Mataki na biyu - da cascade electrolysis na alkaline bayani a sifili zazzabi, effluent taro - 99,75-99,995%.
Rasha masana kimiyya mallakar tajirai da fasaha domin samar da tsarkakewa daga nauyi ruwa da aka ɓullo da. A 1995, da shuka, wanda yana da babban yadda ya dace, aka sa a cikin kasuwanci aiki. Production ne gaba daya ya gana da bukatun nauyi ruwa, a wani adadin, kuma ma ba ka damar fitarwa shi a kasashen waje.
aikace-aikace
Tã ruwa da ake amfani a wani iri-iri na nazarin halittu da kuma sinadaran tafiyar matakai. Masana kimiyya sun ƙaddara cewa wannan wani ruwa ya hana ci gaban kwayoyin, fungi, algae, kuma idan ta ƙunshi 50% deuterium, sa'an nan yakan mallaki antimutagenic Properties, da inganta harkokin ci gaban da nazarin halittu taro da hanzari na mafarki ba a cikin mutane.
Turai masana kimiyya gudanar da gwaje-gwajen a beraye da ciwon daji. Tã ruwa da aka halakar da kuma cutar da ta dako. An samu cewa irin wannan ruwa ne mara kyau ga shuke-shuke da dabbobi. A cikin gwaji, wanda shayar da nauyi ruwa, kodan aka halakar da kuma tada metabolism. A high allurai ruwa dabbobi mutu. Lokacin da karamin adadin (har zuwa 25%), da dabbobi tsiwirwirinsu nauyi da kuma kawo kyau batun, kuma Ya ƙãra kwai samarwa a kaji.
The tambaya na abin da ya faru idan kana gaba daya rabu da deuterium, shi ne har yanzu a bude.
Kwatanta da kaddarorin kãyã da mãsu nauyi ruwa
A amsar wannan tambaya game da bambanci tsakanin halitta haske da kuma nauyi ruwa ya dogara da mutum da wanda ya aka sanya.
Chemical Properties tsakanin su akwai kusan babu bambanci. A kowane daga cikinsu daidai da allocates sodium hydrogen da electrolysis, kuma ta da sauran ruwa daidai kaskanta, su sinadaran Properties ne guda, ya yi yawa, domin suna da guda abun da ke ciki.
The jiki Properties na wadannan daban-daban da taya: ruwan aya da misãlin su a unequal, kamar yadda suke da daban-daban yawa da tururi matsa lamba. Tã da haske ruwa an bazu zuwa electrolysis a daban-daban gudu.
Daga mai nazarin halittu ra'ayi - quite mai rikitarwa batun, akwai har yanzu bukatar aiki.
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