Muaj tseeb tiag, txhua tus neeg tau hla lub tswvyim ntawm sublimation hauv physics ntau dua ib zaug. Hauv tsev kawm ntawv, ob peb zaj lus qhia yeej ib txwm mob siab rau lub ntsiab lus no, thiab hauv cov tsev kawm ntawv qib siab, tsom mus rau kev kawm tob txog cov kev tshawb fawb tiag tiag, lawv tau mob siab rau nws. Yog li, hauv kab lus koj yuav kawm seb sublimation thiab desublimation yog dab tsi hauv physics.
tswvyim
Sublimation hauv physics yog txheej txheem ntawm kev hloov pauv ntawm cov khoom los ntawm lub xeev cov khoom mus rau lub xeev gaseous, hla lub xeev cov kua. Hauv lwm txoj kev, nws yog hu ua sublimation ntawm ib yam khoom. Cov txheej txheem no yog nrog los ntawm kev nqus ntawm lub zog (hauv physics lub zog no hu ua "sublimation"). Cov txheej txheem tseem ceeb heev thiab muaj kev siv dav hauv kev sim physics.
Desublimation yog, ntawm qhov tsis sib xws, cov txheej txheem ntawm kev hloov pauv ntawm cov khoom los ntawm cov pa roj mus rau lub xeev cov khoom. Lwm lub npe rau cov txheej txheem no yog "kev tso nyiaj". Nws yog tag nrho opposite ntawm sublimation. Thaum lub sij hawm deposition, lub zog yog tso tawm, tsis absorbed, thiab nyob rau hauv ntau heev. Desublimation kuj tseem ceeb heev, tab sis ntau nyuaj rau nqaib qho piv txwv ntawm nws lub hom phiaj siv los ntawm ib tug neeg, tshwj xeeb tshaj yog nyob rau hauv lub neej txhua hnub.
Process Description
Catalysts rau sublimation hauv physics tuaj yeem yuav luag txhua yam. Qee zaum cov tshuaj sublimate (qhov no yog lub npe ntawm cov txheej txheem hauv physics) thaum lawv ncav cuag qhov kub thiab txias. Raws li txoj cai, peb tab tom tham txog qhov kub siab tshaj qhov nruab nrab, txawm li cas los xij, muaj qee qhov tshwj xeeb thaum cov tshuaj "nce" ntawm qhov tsis zoo.
Qee lub sij hawm oxygen tuaj yeem ua tus catalyst rau txoj haujlwm no. Nyob rau hauv tas li ntawd, cov khoom yuav tig mus rau hauv ib tug gaseous tshuaj thaum sib cuag nrog huab cua. Los ntawm txoj kev, cov txheej txheem no feem ntau siv los ntawm cov thawj coj hauv cov yeeb yaj kiab science. Zoo heev, puas yog?!
Rau desublimation, cov catalysts yog tib yam, tab sis koj yuav tsum tau ntes ib tus qauv: tag nrho cov tsis, tshwj xeeb ntawm qee qhov tshwj xeeb tshuaj tiv thaiv, yuav tsis zoo. Ntawd yog, yog tias thaum lub sij hawm sublimation feem ntau ntawm cov txheej txheem tshwm sim ntawm qhov kub zoo, tom qab ntawd thaum lub sij hawm tso nyiaj, ntawm qhov tsis sib xws, cov qis yuav tshwm sim.
Nws tseem tsim nyog sau cia tias qhov kev hloov pauv tshwm sim ua ntu zus. Txhua lub sijhawm muaj nws qhov kev hloov pauv.
Ntau tus kws tshawb fawb txawm faib ua theem, tab sis koj tsis tas yuav. Cia peb siv nws rau kev khiav tawm, thiab mus rau txheej txheem rov qab. Qhov no yog qhov tso cai rau cov kws kho mob kom tswj tau cov txheej txheem thiab siv nws txawm nyob hauv lub neej txhua hnub.
Examples
Muaj ntau qhov piv txwv ntawm sublimation hauv physics, tab sis kuj muaj cov piv txwvKuj tseem muaj ob peb txheej txheem rov qab. Ob pawg yog tsim nyog xav txog.
Yog li, piv txwv ntawm kev txiav:
- dej khov qhuav.
- Qhia ntxhua khaub ncaws txias.
Tej zaum qhov piv txwv feem ntau ntawm cov txheej txheem. Muaj tseeb tiag, txhua tus neeg tsawg kawg ib zaug pom lossis tuav hauv nws txhais tes. Ib zaug, cov dej khov qhuav yog ib qho tseem ceeb heev rau kev ua yeeb yaj kiab hauv YouTube. Yuav luag txhua tus tau pom tsawg kawg yog ib daim vis dis aus. Nws yuav tsum raug sau tseg tias cov dej khov siv tsis yog rau kev lom zem xwb. Nws kuj muaj ntau yam kev siv hauv tsev.
Txhua tus niam tsev dai khaub ncaws thaum lub caij ntuj no txias. Nws yuav zoo li tias nws yuav tsum rov qab khov, tab sis nws rov qab qhuav tag. Qhov no yog vim qhov tseeb tias sublimation ntawm dej molecules tshwm sim. Qhov no yog qhov piv txwv tshaj plaws ntawm kev siv sublimation hauv physics.
Tam sim no mus rau qhov tso tawm. Nws raug nquahu kom xav txog cov piv txwv:
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Hoarfrost hauv kev nthuav dav Nov yog qhov piv txwv pom tseeb tshaj plaws ntawm desublimation hauv qhov xwm txheej, uas txhua tus neeg tau hu rau. Cov txheej txheem tshwm sim nrog qhov txias txias heev thiab nrawm dhau ntawm cov dej lwg taw tes. Qhov no tshwm sim yog dav. Koj tuaj yeem pom Frost thaum lub caij nplooj zeeg lig thiab lub caij ntuj no. Nws pom tau meej meej tshaj plaws nyob rau lub Kaum Hli-Kaum Ib Hlis, thaum tseem muaj daus me me.
- Tus qauv ntawm lub qhov rais thaum lub caij ntuj no.
Yog, nws hloov tawm tias desublimation tsim peb lub Xyoo Tshiab. Cov qauv intricate tshwm sim los ntawmQhov sib txawv loj ntawm sab nraum zoov thiab sab hauv tsev.
nws yog dab tsi
Cov txheej txheem ntawm sublimation, ntxiv rau qhov tseeb tias nws feem ntau pom nyob rau hauv cov xwm txheej, yog siv dav hauv txhua hnub teeb meem. Qhov no yog vim qhov yooj yim, nrog rau cov tshuaj toxicity tsawg ntawm cov khoom ua rau cov txheej txheem no. Yog li, ntawm no yog qee qhov piv txwv ntawm nws siv hauv lub neej txhua hnub:
- Qhia ntxhua khaub ncaws. Raws li tau hais los saum toj no, cov dej molecules yooj yim erode, hla ib qho ntawm cov xeev ntawm kev sib sau. Txoj kev ziab no tseem yuav luag nrov tshaj plaws.
- Xim tshuab luam ntawv. Cov xim pleev xim uas muaj xim tam sim ntawd tig mus rau hauv lub xeev gaseous nyob rau hauv tus ntawm lub siab thiab kub. Txawm hais tias txoj kev no yog ib yam ntawm yav dhau los, hauv qee qhov chaw nws tseem niaj hnub no.
- tshuaj tua kab mob thiab tshuaj tsw qab. Feem ntau ib qho ntawm cov khoom no tuaj yeem pom hauv lub txee dai khaub ncaws. Cov phiaj no tsis yog yaj xwb, raws li coob tus xav, tab sis mus rau hauv lub xeev ntawm cov roj thiab nqa cov ntxhiab tsw.
Dhau li ntawm qhov no, sublimation tau dav siv hauv ntau yam kev sim lub cev. Nws yog qhov nthuav kom nco ntsoov tias hauv chemistry, lub peev xwm ntawm cov khoom rau sublimate feem ntau yog qhov tseem ceeb ntawm cov tshuaj tiv thaiv zoo.
nqe lus no tshwm sim nyob qhov twg
Lo lus "sublimation" tuaj yeem pom tsis yog hauv physics thiab chemistry nkaus xwb. Nws kuj siv tau rau kev puas siab puas ntsws. Hauv qhov kev tshawb fawb no, nws qhov kev txiav txim siab sib txawv kiag li: nws yog ib txoj hauv kev "cia tawm chav", radically hloov koj hom kev ua ub no.
Tseem lo lus siv rau hauv txoj kev luam ntawv. Hauv no domainkev ua, cov ntsiab lus hloov pauv: sublimation luam ntawv yog ib txoj hauv kev los hloov cov duab mus rau txhua qhov chaw uas siv cov xim uas dhau los ntawm cov txheej txheem ntawm sublimation. Yooj yim muab tso, qhov no yog ib txoj hauv kev los luam tawm ntawm txhua qhov chaw.
Zoo kawg
Hauv qhov xaus ntawm tsab xov xwm no, nws yuav tsum raug sau tseg tias sublimation, txawm tias nws lub tswv yim pom muaj nyob hauv ntau qhov chaw ntawm tib neeg, feem ntau tseem yog lub cev. Nws yog los ntawm qhov ntawd, raws li lawv hais, "ceg loj hlob." Ua tib zoo nyeem cov ntsiab lus ntawm sublimation hauv physics, thiab tom qab ntawd muab piv nrog rau lwm cov ntawv sau tseg. Yog li, koj yuav pom tias cov ntsiab lus zoo sib xws hauv lawv lub ntsiab lus. Qhov tseeb yog tias txhua tus ntawm lawv tau yoog rau ib qho haujlwm tshwj xeeb hauv nqe lus nug.
