TsimScience

Hnyav dej, nws npaj thiab cov khoom

Nyob rau hauv lub dhau los lawm, cov neeg tsis xav seb uas yog dej thiab dab tsi yog nws cov keeb kwm. Nws twb xav hais tias qhov no lub caij, tab sis tam sim no peb paub hais tias nws yog ib yam tshuaj compound.

Nyob rau hauv 1932 lub ntiaj teb no tau kis cov xov xwm hais tias cov ntiaj chaw lub ntiaj teb no yog tiam sis ib tug yooj yim, muaj hnyav dej. Tam sim no peb twb paub hais tias nws yuav ua tau 135 isotope ntau ntau yam.

qauv

Hnyav dej, uas tseem hu ua deuterium oxide, lub tshuaj nyob tus yeees yog txawv los ntawm cov pa yooj yim tab sis es tsis txhob ntawm hydrogen atoms muaj nyob rau hauv cov dej, nws muaj ob tug hnyav isotope ntawm hydrogen, ib tug thiaj li hu ua deuterium. Hnyav dej yog ntawm lub mis 2H2O los yog D2O. Externally muaj cov tsis muaj kev sib txawv ntawm hnyav thiab yooj yim ua kua, tab sis lawv txawv nyob rau hauv lawv lub zog.

Tshuaj lom neeg tshua nyob rau hauv hnyav dej ntws yog weaker tshaj li niaj zaus.

Hnyav dej yog me ntsis tshuaj lom. Kev tshawb fawb thwmsim tau hais tias cov muab los ntawm hydrogen atoms ntawm deuterium ntsws los ntawm 25%, ua ntxiv lawm tshob nyob rau hauv cov tsiaj. Yog hais tias ntxiv rau kom nws cov ntsiab lus nyob rau hauv cov dej, tus tsiaj tuag. Txawm li cas los, ib co kab mob ciaj sia ntawm 70% deuterium (Paramecium caudatum). Ib tug txiv neej uas tsis muaj health txim yuav tau haus txog ib khob ntawm cov kua. Nyob rau hauv no deuterium tas los rau ntawm lub cev nyob rau hauv ib ob peb hnub.

Hnyav dej muaj cov cuab yeej ntawm accumulating nyob rau hauv ntsha tshuav nyiaj li cas, yog tias nqa reusable dej electrolysis. Nws absorbs ib tug khub ntawm tej yam yooj yim ua kua nraum zoov, piv txwv li nws yog hygroscopic.

Ib tug ntawm cov tseem ceeb tshaj plaws thaj chaw ntawm no hom ntawm cov dej yog hais tias nws yuav luag tsis nqus neutrons, thiab qhov no tso cai rau nws yuav tsum tau siv nyob rau hauv nuclear reactors mus qeeb tus txheej txheem ntawm neutrons thiab nyob rau hauv Science News for KIDS nws yog siv raws li ib tug taug qab.

Hnyav dej, txais tos

Nyob rau hauv lub xyoo 1933-1946 nws yog tus tsuas yog txoj kev kawm electrolysis. Tom qab ntawd muaj ntau tshaj technologies. Kawm loj lawm yog siv nyob rau hauv lub tswv yim kwj kua distilled ntawm tus ntsha, cov ntsiab lus nyob rau ntawd 0.1-0.2% hnyav dej.

Thawj kauj ruam siv ib ob-kub concentration hydrosulphuric technology countercurrent isotope pauv, concentration ntawm cov qhov hluav taws xob ntawm hnyav dej yog 5-10%. Cov kauj ruam thib ob - tus cascade electrolysis ntawm lub alkaline daws nyob rau pes tsawg kub, effluent concentration - 99,75-99,995%.

Lavxias teb sab zaum proprietary technology rau hauv qhuav thiab purification ntawm hnyav dej tau raug tsim. Nyob rau hauv 1995, qhov chaw, uas muaj ib tug high efficiency, twb muab tso rau hauv coj mus muag lag luam. Qhuav yog kiag li raws li cov kev xav tau ntawm hnyav dej, nyob rau hauv tej nqi, thiab kuj tso cai rau koj mus export nws txawv teb chaws.

daim ntawv thov

Hnyav dej yog siv nyob rau hauv ib tug ntau yam ntawm lom thiab tshuaj dab. Zaum tau txiav txim hais tias xws li ib tug kua txwv tsis pub txoj kev loj hlob ntawm cov kab mob, fungi, algae, thiab yog hais tias nws muaj 50% deuterium, ces acquires antimutagenic zog, txhawb nqa txoj kev loj hlob ntawm lom loj thiab acceleration ntawm tiav nkauj tiav nraug nyob rau hauv tib neeg.

European zaum ua thwmsim rau nas muaj mob cancer. Hnyav dej puas lawm thiab tus kab mob no thiab nws cov nqa. Nws tau raug pom hais tias xws li dej yog phem rau cov nroj tsuag thiab tsiaj txhu. Nyob rau hauv lub sim, uas watered lub hnyav dej, ob lub raum twb puas lawm thiab chim siab metabolism. Thaum siab koob tshuaj dej tsiaj tuag. Thaum ib tug me me npaum li cas (txog li 25%), cov tsiaj tau nyhav thiab coj zoo qhov teeb meem, thiab muaj zog qe ntau lawm nyob rau hauv cov qaib.

Cov nqe lus nug ntawm yog dab tsi tshwm sim yog tias koj kiag li yuav tau tshem ntawm deuterium, yog tseem qhib.

Kev sib piv ntawm lub thaj chaw ntawm lub teeb thiab hnyav dej

Cov lus teb rau lo lus nug txog qhov txawv ntawm tej yam ntuj tso lub teeb thiab hnyav kua nyob ntawm tus neeg uas nws raug txib.

Tshuaj zog nruab nrab ntawm lawv yog yuav luag tsis muaj qhov txawv. Nyob rau hauv txhua tus ntawm lawv Attendance allocates sodium hydrogen los ntawm electrolysis, thiab nws thiab lwm yam dej Attendance degraded, lawv tshuaj zog yog tib yam, dhau lawm, vim hais tias lawv muaj tib lub muaj pes tsawg leeg.

Lub lub zog ntawm cov sib txawv kua: boiling point thiab khov lawv nyob tsis zoo tib, raws li lawv muaj ntau ceev thiab pa siab. Heavy thiab lub teeb dej yog decomposed los ntawm electrolysis txawv speeds.

Los ntawm ib tug lom taw tes ntawm view - ib tug heev nyuab qhov teeb meem, muaj yog tseem yuav mus ua hauj lwm.

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