Video: Puas tuaj yeem khov dej khov?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tsis zoo li cov dej khov kub hauv dej txias, dej khov qhuav tsis yaj los ua kua txhua. Xwb, nyob rau hauv chav tsev kub, nws hloov ncaj qha los ntawm ib tug khoom mus rau ib tug roj ib tug txheej txheem hu ua sublimation. Cov pa roj carbon dioxide yog cov pa ntawm chav sov, thiab nws khov khov ntawm qhov qis dua li dej: -109 degrees Fahrenheit (-78 C).
Kuj nug, nws siv sijhawm ntev npaum li cas rau cov dej khov qhuav kom yaj?
Dej Qhuav hloov ncaj qha los ntawm cov khoom mus rau roj -sublimation- hauv cov huab cua ib puag ncig yam tsis tau mus dhau theem ua kua ntub. Yog li nws tau txais lub npe " dej khov qhuav ." Raws li txoj cai dav dav, Dej khov qhuav yuav sublimate ntawm tus nqi ntawm tsib rau kaum phaus txhua 24 teev nyob rau hauv ib yam dej khov hauv siab.
Tom qab ntawd, lo lus nug yog, dab tsi tshwm sim thaum dej khov qhuav sov? Thaum lub zog xa mus rau dej khov qhuav , cov khoom carbon dioxide tsis yaj rau cov kua carbon dioxide. Hloov chaw, cov khoom hloov pauv ncaj qha mus rau roj. Cov txheej txheem no hu ua sublimation. Sublimation tshwm sim thaum cov molecules ntawm cov khoom txav nrawm txaus kom kov yeej cov kev nyiam los ntawm lwm cov molecules thiab dhau los ua roj.
Ib tug kuj yuav nug, vim li cas cov dej khov qhuav tsis yaj?
Dej khov qhuav tshwj xeeb vim nws hla cov kua theem: nws yog cov khoom uas sublimates rau hauv cov pa roj. Vim li cas ua dej khov qhuav sublimate es tsis txhob yaj ? Nws yog vim tias nyob hauv chav sov thiab qhov siab ib txwm muaj (huab cua hauv siab), cov pa roj carbon dioxide feem ntau yog roj.
Kuv puas tuaj yeem muab cov dej khov qhuav rau hauv kuv cov dej haus?
Tsis yog nws yuav tsis lom koj rau piv kua uas ncaj qha txias los ntawm dej khov qhuav . Ntawm qhov kev nyuab siab tej zaum yuav muaj qee cov pa roj carbon CO2 yaj hauv cov kua muab nws cov pa roj carbon me. Txawm li cas los xij, dej khov qhuav ua rau phom sij rau ntawm daim tawv nqaij, qhov ncauj, lossis GI cov ntaub so ntswg yog tias ib tus neeg nqos nruab nrab mus rau daim loj dej khov qhuav.
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