Nyob rau hauv xyoo tas los no, ntau thiab ntau hom tsiaj kho tsiaj tau ua lag luam, cov tswv tsiaj zoo nkauj.Ntawm lawv, ob qho tib si zoo sib xws yog cov khoom noj khoom haus qhuav thiab cov khoom noj khov-qhuav.Ob leeg yog cov khoom noj txom ncauj tsiaj, tab sis ob leeg muaj lawv tus kheej cov yam ntxwv ntawm kev saj thiab cov khoom noj khoom haus.

Txheej txheem sib txawv

Cov Tsiaj Quav Quav Quav Quav: Cov tshuab ziab khaub ncaws qhuav yog cov txheej txheem ntawm cov khoom noj kom qhuav hauv qhov chaw kub tsis tshua muaj nyob hauv lub xeev lub tshuab nqus tsev.Cov dej noo yuav raug hloov pauv ncaj qha los ntawm cov khoom mus rau lub xeev gaseous, thiab tsis muaj cov kua nruab nrab ntawm lub xeev hloov pauv los ntawm sublimation yuav tsum tau ua.Thaum lub sij hawm tus txheej txheem no cov khoom khaws cia nws qhov loj me thiab cov duab, nrog tsawg kawg ntawm cell rupture, tshem tawm cov dej noo thiab tiv thaiv cov zaub mov spoilage ntawm chav tsev kub.Cov khoom khov-qhuav yog qhov loj thiab zoo tib yam li cov khoom khov khov, muaj kev ruaj ntseg zoo, thiab tuaj yeem rov tsim dua thaum muab tso rau hauv dej.

Tshuab ziab khaub ncaws: ziab, tseem hu ua thermal drying, yog txheej txheem ziab uas siv cov khoom siv hluav taws xob thiab cov khoom ntub dej sib koom ua ke.Feem ntau, cua kub yog siv los ua cua sov thiab ntub cov cab kuj tib lub sijhawm.Cov dej noo yog nqa tawm los ntawm huab cua thiab tawm mus.

Cov khoom sib txawv

Cov Tsiaj Quav Quav Quav: Cov khoom noj khoom haus khov-dried feem ntau siv cov tsiaj nyeg thiab nqaij qaib, cov nqaij nruab deg, ntses thiab cw, txiv hmab txiv ntoo thiab zaub ua raw khoom.Siv lub tshuab nqus tsev khov-drying tshuab, cov kab mob hauv cov khoom siv raw tuaj yeem tua tag nrho.Thiab nyob rau hauv cov txheej txheem ntau lawm, tsuas yog cov dej tau muab rho tawm tag, thiab nws yuav tsis cuam tshuam rau lwm cov as-ham.Thiab vim hais tias cov ntaub ntawv raw tau qhuav kom huv si thiab tsis yooj yim rau deteriorate nyob rau hauv chav tsev kub, feem ntau khov-dried tsiaj kho tsis ntxiv preservatives thaum lub sij hawm ntau lawm txheej txheem.