Kev sublimate yog hloov daim ntawv, tab sis tsis yog lub ntsiab lus. Lub cev hais lus, txhais tau tias hloov khoom mus rau vapor; psychologically, nws txhais tau tias hloov lub qhov hluav taws xob, los yog txhais tau tias, ntawm kev qhia los ntawm ib yam dab tsi puag thiab tsis tsim nyog rau ib yam dab tsi zoo dua los yog tau.
sublimation txhais li cas piv txwv?
Thaum txhua yam khoom hloov mus rau hauv cov roj yam tsis tau ua kua ua ntej, qhov ntawd yog sublimation. Thaum cov txheej saum npoo ntawm cov daus los yog dej khov hloov mus rau hauv pos huab lossis chav tsis yaj, qhov no yog ib qho piv txwv ntawm sublimation.
sublimation txhais li cas hauv kev noj qab haus huv?
Sublimation yog kev tiv thaiv- kev tiv thaiv kev puas siab puas ntsws uas txo qis kev ntxhov siab uas yuav tshwm sim los ntawm kev tsis txaus siab lossis kev xav tsis zoo. 1 Raws li Freud txoj kev xav psychoanalytic, muaj peb yam ntawm tus cwj pwm: tus id, lub ego, thiab superego.
txhais li cas los ntawm sublimation hauv chemistry?
Sublimation yog kev hloov pauv ntawm cov khoom ncaj qha los ntawm cov theem khoom mus rau theem roj yam tsis tau dhau los ntawm cov kua nruab nrab theem(Table 4.8, daim duab 4.2). Sublimation yog ib qho kev hloov pauv endothermic uas tshwm sim ntawm qhov kub thiab txias hauv qab peb lub ntsiab lus ntawm cov tshuaj hauv cov kab kos.
3 piv txwv ntawm sublimation yog dab tsi?
Sublimation Piv txwv
- "Dry ice" lossis cov pa roj carbon dioxide sublimes.
- daus thiab dej khov tuaj yeem ua rau hauvlub caij ntuj no tsis yaj.
- Npaj npas sublime.
- Cov khoom noj khov yuav zoo dua thiab koj yuav pom cov dej khov hauv lub thawv lossis lub hnab.
