Lub tshuab nqus tsev kom qhuav-kom qhuav cov kev ua haujlwm siv thev naus laus zis, tshwj xeeb yog qhov ntsuas kub uas tau tswj hwm ntawm {} {{}}} degree. Thaum lub sijhawm ua, ib puag ncig yuav tsum nyob hauv lub xeev siab nqus. Cov thev naus laus zis no tuaj yeem ua kom cov khoom noj zoo dua qub nrog cov khoom noj muaj txiaj ntsig zoo, ntxiv, thiab tuaj yeem khaws cov khoom noj muaj txiaj ntsig zoo, thiab tuaj yeem khaws cov khoom siv ua kom zoo li qub ntawm cov zaub mov.
Tsis tas li ntawd, cov khoom noj ua tiav los ntawm lub tshuab nqus tsev khov-kom qhuav, yog li nws tuaj yeem nqus dej kom sai kom ua kom tshiab. Nyob rau hauv cov txheej txheem ntawm sublimation, dej-soluble tshuaj kuj tseem tuaj yeem sib cais sai, uas tuaj yeem tiv thaiv tau cov ntsev tsis zoo hauv cov zaub mov.
Lub tshuab nqus tsev kom qhuav-kom qhuav thev naus laus zis yog siv rau lub tshuab nqus tsev lossis cov khoom lag luam nitrogen-puv ntim. Nyob rau hauv lub teeb-ntawv pov thawj thiab ib puag ncig kub thiab ib txwm muaj ntawm cov zaub mov feem ntau yog ntev, uas tuaj yeem ncav cuag lub sijhawm muaj kev khaws cia ntawm cov zaub mov muaj kev ntev heev.