Puas muaj cov kaw lus kaw?
Puas muaj cov kaw lus kaw?

Video: Puas muaj cov kaw lus kaw?

Video: Puas muaj cov kaw lus kaw?
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kaw systems ua tsis yog muaj nyob rau hauv qhov

Nyob rau hauv lub siab nruj ntawm " kaw " tshuab , lawv muaj tsuas yog thaum lawv raug cai tshuab , vim txhua yam "real tshuab "los yog" tshuab nyob rau hauv qhov" yog qhib.

Ib yam li ntawd, koj tuaj yeem nug, puas yog lub kaw lus kaw tau?

Hauv thermodynamics, a kaw qhov system tuaj yeem pauv lub zog (xws li cua sov lossis ua haujlwm) tab sis tsis muaj teeb meem, nrog nws qhov chaw nyob ib puag ncig. Ib qho cais qhov system tsis tuaj yeem pauv cov cua sov, ua haujlwm, lossis teeb meem nrog ib puag ncig, thaum qhib qhov system tuaj yeem pauv lub zog thiab teeb meem.

Tsis tas li ntawd, lub cav tsheb puas yog kaw kaw? (b) Cov roj hlawv hauv lub tog raj kheej ntawm a tsheb cav yog ib qho piv txwv ntawm thermodynamic qhov system . A qhov system hu ua cais los yog kaw qhov system yog hais tias nws yog kiag li cais los ntawm nws ib puag ncig-piv txwv li, ib tug roj uas yog surrounded los ntawm immovable thiab thermally insulating phab ntsa.

Ib yam li ib tug yuav nug, dab tsi yog cov piv txwv ntawm kaw tshuab?

Lwm tus piv txwv ntawm a kaw qhov system yog lub lauj kaub tais diav los yog lub lauj kaub kib, ntawm lub qhov cub, thaum nws lub hau yog kaw . Nyob rau hauv no configuration lub saucepan los yog frying lauj kaub tau txais cua sov (lub zog) los ntawm lub qhov cub, thaum tsis muaj huab cua nkag los yog tawm hauv lub lauj kaub, yog li ua rau nws ib tug ntau ntawm cov khoom. kaw qhov system.

Qhov txawv ntawm qhov kaw thiab qhib qhov system yog dab tsi?

Ib qhib qhov system txhais tau tias " system hauv Kev sib pauv ntawm cov teeb meem nrog nws ib puag ncig, nthuav qhia ntshuam thiab xa tawm, txhim kho thiab rhuav tshem nws cov khoom siv. " kaw kaw kaws , ntawm qhov tod tes, raug tuav kom cais tawm ntawm lawv ib puag ncig.

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