2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Homogeneous nucleation (tsis muaj kev cuam tshuam ntawm cov khoom txawv teb chaws) tshwm sim zoo hauv qab qhov chaw khov, ntawm qhov kub thiab txias uas tsis tau pom hauv dej. Qhov kub ntawm heterogeneous nucleation (nucleation pib ntawm qhov chaw ntawm cov khoom txawv teb chaws) nyob ntawm qhov xwm ntawm cov khoom, tab sis nws…
homogeneous nucleation nyob qhov twg?
3.1.
Hauv kev xyaum, homogeneous nucleation tsis tshua muaj tshwm sim thiab heterogeneous nucleation tshwm sim ntawm cov phab ntsa pwm lossis ntawm cov khoom tsis huv tsis huv.
Vim li cas heterogeneous nucleation tshwm sim?
Heterogeneous nucleation forms ntawm qhov chaw nyiam xws li theem ciam teb, qhov chaw (ntawm lub thawv, lub raj mis, thiab lwm yam) lossis impurities xws li hmoov av. Ntawm qhov chaw zoo li no, qhov zoo ntawm lub zog saum npoo yog qis dua, yog li txo qis lub zog tsis pub dawb thiab ua kom yooj yim nucleation.
Vim li cas heterogeneous nucleation feem ntau pom nyob rau hauv qhov?
Nyob rau hauv kev xyaum heterogeneous nucleation tshwm sim ntau dua li homogeneous nucleation. … Vim lub zog saum npoo qis, lub zog pub dawb txwv tsis pub txo thiab ua kom yooj yim nucleation ntawm cov chaw nyiam no. Qhov chaw muaj kev sib cuag ntawm cov theem siab tshaj xoom txhawb cov khoom rau nucleate.
Dab tsi yog homogeneous thiab heterogeneous nucleation?
Qhov sib txawv tseem ceeb ntawm homogeneous thiab heterogeneousnucleation yog tias homogeneous nucleation tshwm sim deb ntawm qhov chaw ntawm lub cev whereas lub heterogeneous nucleation tshwm sim ntawm qhov chaw ntawm lub system. … Yog li ntawd, cov khoom ncua kev kawm ntawv, cov npuas los yog qhov chaw ntawm lub cev tuaj yeem ua raws li qhov chaw nucleation.
Pom zoo:
Rau qhov tshwm sim tshwm sim?
Cov tshuaj tiv thaiv tus kheej yogtawm tsam uas nyiam tsim cov khoom ntawm cov xwm txheej uas tshwm sim. … Qhov kev sib xyaw ua ke ntawm kev txo qis ntawm lub zog thiab qhov nce hauv entropy txhais tau hais tias cov tshuaj tiv thaiv combustion tshwm sim tsis tu ncua.
Qhov kev tua ntawm qhov kev sib raug zoo tshwm sim nyob qhov twg?
Kev phom sij ntawm O.K. Corral yog 30-thib ob qhov kev sib tua ntawm cov neeg tsim cai lij choj coj los ntawm Virgil Earp thiab cov tswv cuab ntawm ib pawg neeg tawm tsam hu ua Cowboys suav nrog Ike Clanton uas tshwm sim thaum 3:00 teev tsaus ntuj.
Thaum twg qhov kev rov tshwm sim tshwm sim?
Thaum Replevin tuaj yeem thov Li no, qhov no yog qhov xwm txheej tshwm sim ntau tshaj plaws uas yuav tshwm sim thaum tus neeg siv khoom tsis raug them nyiaj qiv tsheb. Kev ua txhaum cai ntawm kev thaj yeeb nyab xeeb yog me ntsis luv luv. Nws tsis suav nrog kev txeeb tsheb yam tsis tau ceeb toom lossis kub xov tooj kom tsav tsheb mus.
Thaum qhov no yog qhov tshwm sim uas tshwm sim?
Lub hauv paus ntsiab lus ntawm kev mob Nrog qhov tshwm sim (uppada) ntawm qhov no, qhov tshwm sim. Thaum tsis muaj qhov no, qhov ntawd tsis tuaj. Nrog lub cessation (nirodha) ntawm no, uas ceases. - Samyutta Nikaya 12.61. Thaum qhov no yog qhov tshwm sim uas tshwm sim qhov tshwm sim uas tshwm sim thaum qhov no tsis yog qhov tsis yog qhov kev txiav txim siab tsis piav qhia?
Yuav ua li cas txiav txim siab seb qhov kev tshwm sim yog tshwm sim los yog tsis ua raws li txoj cai?
Kev sib xyaw ua lej ntawm kev hloov pauv enthalpy thiab hloov pauv hloov pauv tso cai rau kev hloov pauv ntawm lub zog dawb los suav. A tawm tsam nrog tus nqi tsis zoo rau ΔG tso tawm lub zog dawb thiab yog li nws tus kheej. Cov tshuaj tiv thaiv nrog qhov zoo ΔG yog tsis ua raws li kev xav thiab yuav tsis nyiam cov khoom.
