Lub cev hloov pauv yog cov kev hloov pauv uas cuam tshuam rau daim ntawv ntawm cov tshuaj, tab sis tsis yog nws cov tshuaj muaj pes tsawg leeg. … Piv txwv ntawm lub cev muaj xws li melting, hloov mus rau ib qho roj, hloov lub zog, hloov ntawm durability, hloov mus rau crystal form, textural hloov, zoo li, loj, xim, ntim thiab ntom.
5 hom kev hloov ntawm lub cev yog dab tsi?
Lub cev hloov pauv cuam tshuam rau cov khoom siv lub cev tab sis tsis hloov nws cov qauv tshuaj. Hom kev hloov ntawm lub cev muaj xws li boiling, clouding, dissolution, freezing, freeze-drying, Frost, liquefaction, melting, pa luam yeeb thiab vaporization.
piv txwv hloov lub cev yog dab tsi?
Kev hloov pauv ntawm qhov loj lossis cov teeb meem yog piv txwv ntawm kev hloov lub cev. Kev hloov ntawm lub cev muaj xws li kev hloov ntawm ib lub xeev mus rau lwm qhov, xws li los ntawm cov khoom mus rau cov kua lossis kua rau roj. Txiav, khoov, yaj, khov, boiling, thiab melting yog ib co ntawm cov txheej txheem uas tsim cov kev hloov ntawm lub cev.
3 lub cev hloov pauv dab tsi?
Piv txwv ntawm kev hloov lub cev muaj xws li kev hloov pauv ntawm qhov loj lossis cov duab ntawm qhov teeb meem. Cov kev hloov ntawm lub xeev-piv txwv li, los ntawm cov khoom mus rau cov kua los yog los ntawm cov kua rau roj-yog tseem hloov lub cev. Qee cov txheej txheem uas ua rau muaj kev hloov pauv ntawm lub cev muaj xws li txiav, khoov, yaj, khov, boiling, thiab melting.
10 piv txwv ntawm kev hloov lub cev yog dab tsi?
Piv txwv ntawm Kev Hloov Lub Cev
- Cuaj ibtau.
- Tswv dej khov.
- Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws.
- Sib tov xuab zeb thiab dej.
- Breaking ib khob.
- Dissoling qab zib thiab dej.
- daim ntawv hlais.
- Ntxhais ntoo.