2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob rau hauv chav tsev kub, cov khoom siv semiconductor yog me ntsis ua. Cov khoom siv hluav taws xob ntawm cov khoom siv hluav taws xob tsim cov hauv paus ntawm kev nkag siab tias peb tuaj yeem siv cov ntaub ntawv no li cas hauv cov khoom siv hluav taws xob.
Dab tsi yog cov khoom siv hluav taws xob hauv chav sov?
Nyob rau hauv chav tsev kub, ib qho semiconductor muaj cov electrons dawb txaus kom nws ua tam sim no. Thaum los yog ze rau qhov tsis muaj tseeb ib lub semiconductor coj zoo li lub insulator. Thaum ib qho hluav taws xob tau txais lub zog txaus los koom nrog hauv kev coj ua (yog "dawb"), nws nyob ntawm lub zog siab.
Cov khoom siv semiconductor yog dab tsi?
Dab tsi yog cov khoom siv semiconductor siv tshaj plaws? Cov khoom siv semiconductor feem ntau yog silicon, germanium, thiab gallium arsenide. Ntawm peb, germanium yog ib qho ntawm cov khoom siv semiconductor ntxov tshaj plaws siv.
Dab tsi yog qhov kub ntawm semiconductors ua raws li cov insulators?
Ib lub semiconductor ua zoo li qhov zoo tagnrho insulator ntawm tsis muaj qhov ntsuas kub tsis txausuas yog ntawm xoom kelvin. Nws yog vim hais tias cov dawb electrons nyob rau hauv lub valence band ntawm semiconductors yuav tsis muaj txaus thermal zog los mus kov yeej lub forbidden zog sib txawv ntawm kiag li xoom.
Vim li cas ib lub semiconductor ua raws li cov insulator ntawm qhov kub thiab txias?
Semiconductors yog cov insulators zoo ntawm chav tsev kub vim yuav luag tag nrho cov valence electrons tau koom nrog kev tsim ntawmcovalent daim ntawv cog lus thiab muaj qhov ua tau tsawg heev dawb electrons. Thaum qhov kub thiab txias, lub valence band ntawm ib tug semiconductor yog tag nrho thiab cov conduction band yog tag nrho.
Pom zoo:
Qhov twg hauv qab no txiav txim siab txog cov luag haujlwm ntawm cov neeg muag khoom / tus nqi qis thiab cov neeg yuav khoom / tus neeg xauj tsev?
Cov luag haujlwm ntawm cov neeg muag khoom / tus neeg xauj tsev thiab cov neeg yuav khoom / tus neeg xauj tsev yog txiav txim siab los ntawm (1) nqe lus uas ob tog tau teev tseg hauv kev cog lus, (2) kev cai, thiab (3) cov cai teev tseg los ntawm Uniform Commercial Code (UCC).
Dab tsi yog qhov txawv ntawm cov khoom siv thiab cov kab lis kev cai tsis yog khoom?
Cov kab lis kev cai yog hais txog cov khoom lossis cov khoom ntawm ib pawg neeg. … Cov kab lis kev cai tsis yog khoom, qhov sib txawv, muaj cov tswv yim, kev xav, thiab kev ntseeg ntawm ib lub zej zog. Cov khoom siv thiab cov khoom tsis zoo ntawm kab lis kev cai yog txuas, thiab cov khoom siv lub cev feem ntau ua cim cov tswv yim kab lis kev cai.
Cov khoom siv puas yog khoom vaj khoom tsev?
khoom yog a khoom vaj khoom tsev ruaj khov, lossis khoom tsis yog tam sim no. Qhov no txhais tau tias nws yuav tsis raug muag hauv lub xyoo tom ntej accounting thiab tsis tuaj yeem ua kua tau yooj yim. Txawm hais tias nws yog qhov zoo kom muaj cov khoom muaj nqis tam sim no uas muab koj lub lag luam npaj nkag mus rau cov nyiaj ntsuab, tau txais cov cuab tam mus sij hawm ntev kuj yog qhov zoo.
Puas yog cov nroj tsuag carnivorous yog cov tsim khoom lossis cov neeg siv khoom?
As producers, cov nroj tsuag tsim lub hauv paus ntawm yuav luag txhua cov khoom noj hauv ntiaj teb. Carnivorous nroj tsuag zoo li "tig rooj" thaum lawv ua raws li cov neeg siv khoom, gobbling kab, qav, thiab cov tsiaj me me. Puas yog Venus flytrap yog tus neeg siv khoom thiab tsim khoom?
Thaum muag ib lub tsev dab tsi yog cov khoom siv thiab khoom siv?
Fixtures yog cov khoom uas txuas nrog rau cov khoom; tsau, yog koj yuav. Fittings yog cov khoom uas tsis txuas nrog cov cuab yeej, tshwj tsis yog los ntawm cov ntiv tes xoos (lossis ntau dua, cov ntsia hlau). Cov khoom siv thiab khoom siv dab tsi suav nrog hauv tsev muag?
