Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv Hauv Xeev Karnataka tsis ntev los no tau lees paub qhov kev txwv tsis pub siv cov kua nitrogen hauv cov khoom noj xws li haus luam yeeb biscuits thiab ice cream, tau tshaj tawm thaum lub Tsib Hlis. Qhov kev txiav txim siab tau raug coj los tom qab tus ntxhais hnub nyoog 12 xyoo los ntawm Bengaluru tau tsim lub qhov hauv nws lub plab tom qab nws noj mov uas muaj kua nitrogen.
Kev siv cov kua nitrogen hauv cov zaub mov npaj tau nce ntxiv hauv xyoo tas los no, nrog rau cov tshuaj siv los ua kom muaj kev haus luam yeeb rau qee yam khoom noj, khoom qab zib thiab cocktails.
Cov kua nitrogen hauv cov khoom noj yuav tsum tau ua nrog kev saib xyuas hnyav. Qhov no yog vim nitrogen yuav tsum tau txias rau qhov kub ntawm -195.8 ° C kom liquefy. Rau kev sib piv, qhov kub hauv lub tub yees hauv tsev poob mus txog -18 ° C lossis -20 ° C.
Cov roj liquefied hauv tub yees tuaj yeem ua rau frostbite yog tias nws nkag mus rau hauv daim tawv nqaij thiab lub cev. Cov kua nitrogen freezes cov ntaub so ntswg sai heev, yog li nws tuaj yeem siv rau hauv cov txheej txheem kho mob kom rhuav tshem thiab tshem tawm warts los yog cov ntaub so ntswg cancer. Thaum nitrogen nkag mus rau hauv lub cev, nws hloov mus rau hauv cov roj sai sai thaum qhov kub nce. Qhov sib piv ntawm cov kua nitrogen ntawm 20 degrees Celsius yog 1: 694, uas txhais tau hais tias 1 liter ntawm kua nitrogen tuaj yeem nthuav mus rau 694 litres ntawm nitrogen ntawm 20 degrees Celsius. Qhov kev nthuav dav sai no tuaj yeem ua rau gastric perforation.
"Vim tias nws tsis muaj xim thiab tsis muaj ntxhiab, tib neeg tuaj yeem raug rau nws yam tsis paub txog. Raws li ntau lub tsev noj mov siv cov kua nitrogen, tib neeg yuav tsum paub txog cov xwm txheej tsis tshua muaj no thiab ua raws li cov lus pom zoo. Txawm tias tsawg heev, qee zaum nws tuaj yeem ua rau mob hnyav." "hais tias Dr Atul Gogia, tus kws pab tswv yim laus, chav kho mob sab hauv, Sir Gangaram Tsev Kho Mob.
Cov kua nitrogen yuav tsum tau ua tib zoo saib xyuas, thiab cov neeg ua haujlwm yuav tsum siv cov cuab yeej tiv thaiv kom tsis txhob raug mob thaum npaj zaub mov. Cov neeg uas haus cov zaub mov thiab dej haus uas muaj cov kua nitrogen yuav tsum xyuas kom meej tias cov nitrogen tau tag nrho dissipated ua ntej noj. "Liquid nitrogen ... yog mishandled los yog yuam kev noj, tuaj yeem ua rau muaj kev puas tsuaj loj rau ntawm daim tawv nqaij thiab cov kab mob hauv nruab nrog cev vim qhov kub tsis tshua muaj siab uas cov kua nitrogen tuaj yeem tswj tau. Yog li ntawd, cov kua nitrogen thiab cov dej khov qhuav yuav tsum tsis txhob noj ncaj qha lossis tuaj yeem cuam tshuam ncaj qha rau ntawm daim tawv nqaij. ", US Food and Drug Administration tau hais hauv nqe lus. Nws kuj tau hais kom cov khw muag khoom noj tsis txhob siv nws ua ntej ua zaub mov noj.
Gas yuav tsum tsuas yog siv rau kev ua noj ua haus nyob rau hauv ib qho chaw zoo-ventilated. Qhov no yog vim tias nitrogen xau tuaj yeem hloov pauv cov pa oxygen hauv huab cua, ua rau hypoxia thiab asphyxiation. Thiab txij li nws tsis muaj xim thiab tsis muaj ntxhiab, kev kuaj pom yuav tsis yooj yim.
Nitrogen yog ib qho roj inert, txhais tau tias nws tsis hnov mob nrog ntau yam tshuaj, thiab siv los tswj cov khoom noj tshiab ntawm cov khoom ntim. Piv txwv li, thaum ib lub hnab ntawm qos yaj ywm chips tau ntim nrog nitrogen, nws tshem tawm cov pa oxygen uas nws muaj. Cov zaub mov feem ntau reacts nrog oxygen thiab ua rancid. Qhov no nce lub txee lub neej ntawm cov khoom.
Qhov thib ob, nws yog siv rau hauv daim ntawv ua kua kom khov cov khoom noj tshiab sai sai xws li nqaij, nqaij qaib thiab khoom noj siv mis. Nitrogen khov ntawm cov zaub mov yog kev lag luam heev piv rau cov khoom noj khov vim tias cov zaub mov loj tuaj yeem khov hauv ob peb feeb xwb. Siv nitrogen tiv thaiv kev tsim cov dej khov, uas tuaj yeem ua rau cov hlwb puas thiab dehydrate zaub mov.
Ob txoj kev siv tau tso cai raws li lub teb chaws txoj cai lij choj kev nyab xeeb khoom noj, uas tso cai rau kev siv cov nitrogen hauv ntau yam khoom noj, suav nrog cov khoom noj mis nyuj, npaj rau haus kas fes thiab tshuaj yej, kua txiv hmab txiv ntoo, thiab tev thiab txiav txiv hmab txiv ntoo. Daim nqi no tsis hais txog kev siv cov kua nitrogen hauv cov khoom tiav.
Anonna Dutt yog tus thawj coj saib xyuas kev noj qab haus huv rau Indian Express. Nws tau hais ntau yam lus, los ntawm kev loj hlob ntawm lub nra ntawm cov kab mob tsis sib kis xws li ntshav qab zib thiab kub siab mus rau kev sib tw ntawm cov kab mob sib kis. Nws tau hais txog tsoomfwv cov lus teb rau Covid-19 kis thoob qhov txhia chaw thiab ua raws li cov phiaj xwm tshuaj tiv thaiv zoo. Nws zaj dab neeg tau ua rau tsoomfwv hauv nroog tau nqis peev hauv kev sim siab zoo rau cov neeg pluag thiab lees paub qhov tsis raug hauv kev tshaj tawm xov xwm. Dutt kuj tseem txaus siab rau lub teb chaws txoj haujlwm chaw thiab tau sau txog cov haujlwm tseem ceeb xws li Chandrayaan-2 thiab Chandrayaan-3, Aditya L1 thiab Gaganyaan. Nws yog ib tus thawj coj 11 RBM Malaria Partnership Media Fellows. Nws kuj tau raug xaiv los koom rau hauv Dart Center qhov kev qhia luv luv rau cov menyuam kawm ntawv preschool hauv Columbia University. Dutt tau txais nws BA los ntawm Symbiosis Institute of Media thiab Communications, Pune thiab PG los ntawm Asian Institute of Journalism, Chennai. Nws pib nws txoj haujlwm tshaj tawm nrog Hindustan Times. Thaum nws tsis ua haujlwm, nws sim ua kom zoo siab rau Duolingo owls nrog nws cov lus Fab Kis thiab qee zaum coj mus rau hauv pem teb ua las voos. … nyeem ntxiv
RSS tus thawj coj Mohan Bhagwat qhov chaw nyob tsis ntev los no rau Sangh cadets nyob rau hauv Nagpur tau pom tias yog kev cem rau BJP, ib qho kev sib haum xeeb rau kev tawm tsam thiab cov lus ntawm kev txawj ntse rau tag nrho pawg nom tswv. Bhagwat tau hais tias "Sevak tiag tiag" yuav tsum tsis txhob " khav theeb" thiab lub tebchaws yuav tsum tau ua raws li "kev pom zoo". Nws kuj tau tuav lub rooj sib tham kaw nrog UP CM Yogi Adityanath los qhia kev txhawb nqa rau Sangh.
Lub sij hawm xa tuaj: Jun-17-2024