txias cia rau nqaij

Cov ntawv thov ntawm Kev Khaws Cia Khoom Txias rau Nqaij:

Kev khaws cia nqaij txias yog ib qho chaw khaws cia nqaij. Nws tseem hu ua chaw khaws nqaij khov lossis chaw khaws nqaij khov. Cov nqaij tseem ceeb uas khaws cia suav nrog: nqaij npuas, nqaij yaj, ntses, nqaij nyuj, nqaij os, nqaij siav, nqaij qaib, nqaij dev, thiab khoom noj hiav txwv. Qhov kub khov ntawm kev khaws nqaij txias yog -18 ℃ txog -23 ℃. Qee qhov chaw khaws nqaij txias xav tau qhov kub qis txog -30 ℃ lossis qis dua, xws li kev khaws cia nqaij ntses tuna txias uas xav tau qhov kub qis txog -60 ℃.

Kev Taw Qhia Txog Kev Laus Nqaij:

Nqaij txias yog cov nqaij uas tau dhau los ntawm cov txheej txheem tshem tawm cov kua qaub hauv qab qhov txias. Nws cov txiaj ntsig suav nrog: nyob rau hauv qhov kub txias ntawm 0 ℃ -4 ℃ rau 24 teev, kev ua haujlwm ntawm enzyme thiab kev loj hlob thiab kev tsim tawm ntawm feem ntau cov kab mob me me raug txwv; ib daim roj qhuav tsim rau ntawm qhov chaw ntawm cov nqaij txias, txo cov dej noo evaporation thiab tiv thaiv cov kab mob me me thiab kev tsim tawm ntawm qhov chaw; thiab ua rau cov nqaij saj thiab cov khoom noj khoom haus ntau dua. Yog li ntawd, cov nqaij txias yooj yim dua rau kev ua noj, muaj cov qauv mos, muaj kua thiab qab; nws kuj yooj yim dua rau kev txiav, thiab qhov chaw txiav muaj cov tsw qab tshwj xeeb. Tus nqi ntawm cov nqaij npuas laus yog 20% ​​txog 30% siab dua li cov nqaij npuas ib txwm. Qhov no yog vim tias kev tsim cov nqaij npuas laus muaj ntau cov txheej txheem nruj.

Kev tsim cov chaw cia khoom txias nqaij yuav tsum ua tau raws li cov cai hauv qab no:

2. Qhov ntsuas ntawm cov chaw cia khoom txias yuav tsum tau tsim thiab tsim raws li cov kev xav tau hauv zos;

3. Yuav tsum tau tsim cov chaw cia khoom txias uas muaj chaw cia khoom thiab chaw thauj khoom raws li qhov ntim thiab zaus ntawm kev xa khoom nqaij;

Cov chaw cia khoom noj hiav txwv txias feem ntau yog tsim los rau kev khaws cov khoom noj hiav txwv, suav nrog ntses thiab lwm yam khoom noj hiav txwv. Cov chaw cia khoom noj hiav txwv txias yuav tsum tau npaj kom tswj tau qhov kub thiab txias thiab av noo, thiab yuav tsum tau tsim ntau yam kub rau ntau hom khoom noj hiav txwv. Qhov kub thiab txias yog -18 ℃ txog -30 ℃. Tshaj qhov kub thiab txias no yuav cuam tshuam rau qhov saj ntawm cov khoom noj hiav txwv. Qee cov khoom noj hiav txwv tshwj xeeb xav tau kev khaws cia kub qis heev, xws li ntses tuna, uas xav tau qhov kub khov ntawm -60 ℃.

Kev Faib Tawm Sib Txawv ntawm Cov Khoom Noj Hiav Txwv Txias Cia Khoom:

1. Kev Khaws Cia Khoom Noj Hiav Txwv Hauv Lub Tub Yees

Kub Txias: -5 ~ -12 ℃

Lub Sijhawm Khaws Cia: 1-2 hnub;

Lus Cim: Yog tias cov khoom xa tsis tau raws sijhawm, lawv yuav tsum tau khaws cia sai sai rau hauv qhov chaw khov.

2. Kev Khaws Khoom Noj Khoom Haus Khov

Kub: -15 txog -20 ℃

Lub Sijhawm Khaws Cia: 1-180 hnub (nyob ntawm hom khoom noj hiav txwv). Lus Cim: Kev khaws cia khov muaj lub sijhawm khaws cia ntev dua, tab sis qee cov khoom noj hiav txwv tshwj xeeb muaj lub sijhawm khaws cia luv txawm tias khaws cia rau hauv qhov chaw khaws cia khov; cov no yuav tsum tau ua haujlwm tshwj xeeb.

3. Kev Khaws Khoom Noj Hiav Txwv Uas Kub Tsawg Kawg Nkaus (Kev Khaws Khoom Noj Txias Sai)

Kub: -25 txog -30 ℃ (lossis qis dua -60 ℃)

Lub Sijhawm Khaws Cia: Cov txheej txheem khov sai feem ntau siv sijhawm 5-8 teev;

Lus Cim: Tus qauv tsim thiab kev tsim kho ntawm kev khaws cia txias sai yuav tsum tau txiav txim siab raws li qhov ntau ntawm cov khoom tuaj, qhov kub thiab txias tuaj, thiab qhov kub thiab txias ntawm cov khoom.

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