Cov dej khov qhuav qhuav ua haujlwm li cas?

Cov dej khov qhuav qhuav yog nrawm los ntawm huab cua compressed, ces lawv cuam tshuam rau saum npoo kom huv. Peb qhov chaw sib txawv ua rau cov nyhuv tu: Kinetic nyhuv: Thaum cov dej khov qhuav qhuav, cov txheej raug tso tawm thiab tshem tawm. Cov nyhuv thermal: Qhov kub qis ntawm cov dej khov qhuav qhuav ua rau cov txheej txheem nkig, ua rau cov kab nrib pleb thiab ua kom yooj yim rau nws tso tawm vim tias daim ntawv cog lus ntawm cov ntaub qhwv thiab cov hauv qab yog txo. Sublimation nyhuv - Cov nyhuv tawg: Cov dej khov qhuav nkag mus rau txheej txheej thiab evaporates tam sim ntawd, ua rau muaj qhov ntim ntawm txog 700 zaug. Cov tshuaj tiv thaiv tawg no nqa cov txheej txheem tawm ntawm qhov chaw.