Lub zog tsim hluav taws xob yog qhov tseem ceeb rau kev tso pa tawm hauv huab cua, yog li kev txuag nyiaj tsim nyog hauv cheeb tsam no yog qhov tseem ceeb. Txog qhov kawg no, US Department of Agriculture's Agricultural Research Service (ARS) thiab cov kws tshawb fawb los ntawm University of California ntawm Berkeley tau thov kom hloov los ntawm cov cuab yeej tam sim no ntawm isobaric khov ntawm cov zaub thiab txiv hmab txiv ntoo mus rau isochoric, uas yog, khov hauv kua.
Txoj kev no twb tau ua tiav hauv cov tshuaj, thiab tam sim no nws muaj peev xwm siv tau hauv kev lag luam khoom noj.
Tus neeg tsim khoom ntawm isochoric khov yog Boris Rubinsky, uas tau piav qhia nws cov hauv paus ntsiab lus hauv xyoo 2005. Lub tswv yim yog kom tsis txhob tig cov dej hauv cov ntaub so ntswg mus rau hauv cov dej khov khov thaum lub sij hawm txias, vim tias nws cov crystals puas ua rau lawv cov qauv. Txhawm rau tiv thaiv qhov no, lub tsev tuab-walled chamber nrog cov kua hauv sab hauv yog tsim, uas ua haujlwm raws li cov rwb thaiv tsev, thiab tso cai rau qhov kub thiab txias nyob ib puag ncig 0 ℃, tiv thaiv cov khoom siv hauv nruab nrog cev hauv cov kua los ntawm kev hloov mus rau hauv dej khov.
Kev sim tsis ntev los no nrog qos yaj ywm, txiv lws suav tshiab thiab tshuaj ntsuab tau pom tias isochoric khov khaws cov zaub mov zoo ib yam. Cov hlau hauv lub thawv tuaj yeem hloov nrog cov yas. Nrog rau hom kev khov no, tsis tas yuav ua kom cov khoom khov tag nrho, lossis tias nws khov sai li sai tau, thiab yog li ntawd tsis muaj kev siv zog ntau dhau. Qhov tseeb, tsuas yog lub thawv nws tus kheej yuav tsum tau txias.
Tsis zoo li cov khoom siv khov kho, uas nthuav tawm cov txiv hmab txiv ntoo thiab zaub rau hauv huab cua thiab khov lawv cov khoom ntawm qhov kub qis dua xoom Celsius, isochoric khov khaws cov zaub mov tsis hloov mus rau hauv cov dej khov. Thaum cov zaub mov yog raus rau hauv dej, nws muaj kev tiv thaiv los ntawm cov dej khov crystallization thiab cov qauv ntawm cov txiv hmab txiv ntoo tsis cuam tshuam.
Txhua lub tsev tub yees tuaj yeem hloov kho rau hom kev khov no los ntawm kev tso cov chav tshwj xeeb hauv lub tub yees. Kev hloov pauv cov tub yees thiab hloov pauv tag nrho cov khoom noj khoom haus tsis yog qhov nyuaj; nws yog ib qho kev ua haujlwm nrog cov nqi tsawg. Txawm li cas los xij, ntawm qhov ntsuas thoob ntiaj teb, qhov no yuav txuag tau 6,5 billion kilowatt-teev hauv ib xyoos, ua rau txo qis carbon emissions ntawm 4,6 billion kg.
Isochoric khov kuj tso cai rau khaws cia zoo dua ntawm cov khoom noj tshiab xws li txiv lws suav, cherries thiab qos yaj ywm. Lwm qhov zoo dua ntawm isochoric khov yog tias nws tua cov kab mob microbes thaum ua.
Tag nrho cov saw hlau rau kev tsim thiab muag cov khoom khov tuaj yeem siv isochoric freezing - los ntawm cov tuam ntxhab mus rau cov txheej txheem, cov khw muag khoom thiab cov khw muag khoom.