Cov kua nitrogen yog ib qho yooj yim txias qhov chaw. Vim nws cov yam ntxwv tshwj xeeb, cov kua nitrogen tau maj mam tau txais kev saib xyuas thiab kev lees paub, thiab tau siv ntau thiab ntau dua hauv kev tu tsiaj, kev kho mob, kev lag luam zaub mov, thiab kev tshawb fawb txog qhov kub thiab txias. , hauv electronics, metallurgy, aerospace, machinery manufacturing thiab lwm yam kev nruam expansion thiab kev loj hlob.
Cov kua nitrogen tam sim no yog qhov siv ntau tshaj plaws hauv cryosurgery. Nws yog ib qho ntawm cov tub yees zoo tshaj plaws nyob rau tam sim no. Nws tuaj yeem raug txhaj rau hauv cov khoom siv kho mob cryogenic, ib yam li lub scalpel, thiab nws tuaj yeem ua txhua yam haujlwm. Cryotherapy yog ib txoj kev kho mob uas tsis tshua muaj kub siv los rhuav tshem cov kab mob. Vim qhov hloov pauv ntawm qhov kub thiab txias, cov muaju yog tsim nyob rau hauv thiab sab nraum cov ntaub so ntswg, uas ua rau lub hlwb dehydrate thiab shrinkage, ua rau muaj kev hloov hauv electrolytes, thiab lwm yam. Kev khov kuj tuaj yeem ua rau cov ntshav hauv zos qeeb, thiab cov ntshav microvascular stasis lossis embolism ua rau cov hlwb tuag vim hypoxia.
Ntawm ntau txoj kev khaws cia, cryopreservation yog siv dav tshaj plaws thiab cov nyhuv tseem ceeb heev. Raws li ib qho ntawm cov txheej txheem cryopreservation, kua nitrogen ceev-freezing tau ntev tau txais los ntawm cov khoom noj khoom haus ua lag luam. Vim tias nws tuaj yeem paub qhov txias txias ntawm qhov kub thiab txias txias, nws kuj yog qhov tsim nyog rau qee qhov vitrification ntawm cov zaub mov khov, kom cov zaub mov tuaj yeem rov qab mus rau qhov loj tshaj tom qab thawing. Rau lub xeev tshiab thiab cov khoom noj qub qub, qhov zoo ntawm cov khoom noj khov tau zoo heev, yog li nws tau pom tias muaj qhov tseem ceeb hauv kev lag luam ceev ceev.
Tsawg-kub pulverization ntawm cov zaub mov yog cov khoom noj tshiab ua tshuab tsim nyob rau xyoo tas los no. Cov tshuab no yog tshwj xeeb tshaj yog tsim rau kev ua cov khoom noj uas muaj cov roj tsw qab, cov ntsiab lus muaj roj, cov ntsiab lus qab zib siab thiab cov khoom muaj colloidal siab. Siv cov kua nitrogen rau qhov kub tsis tshua muaj pulverization, cov pob txha, tawv nqaij, nqaij, plhaub, thiab lwm yam ntawm cov khoom siv raw tuaj yeem pulverized ib zaug, kom cov khoom tiav ntawm cov khoom tiav zoo thiab tiv thaiv nws cov khoom noj khoom haus zoo. Piv txwv li, nyob rau hauv Nyiv, seaweed, chitin, zaub, condiments, thiab lwm yam., uas tau khov nyob rau hauv cov kua nitrogen, muab tso rau hauv ib tug pulverizer yuav pulverized, thiaj li hais tias tus nplua particle loj ntawm cov khoom tiav yuav siab li 100um los yog tsawg dua, thiab cov khoom noj khoom haus qub yog qhov tseem ceeb.
Post lub sij hawm: Jun-17-2022