2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Germanium yog ib yam khoom raug txiav txim siab los hloov silicon vim tias nws tuaj yeem ua rau kev lag luam ua cov transistors me dua thiab sib xyaw ua ke ntau dua, Ye said. … Cov khoom siv yav dhau los tau txwv rau "P-hom" transistors. Cov kev tshawb pom qhia siv cov khoom siv los ua "N-hom" transistors.
YYuav siv dab tsi los hloov silicon?
Lwm yam semiconductors xws li gallium nitride (GaN) thiab silicon carbide (SiC) tiv tau zoo dua ntawm qhov kub siab dua, uas txhais tau tias lawv tuaj yeem khiav sai dua thiab tau pib hloov silicon. hauv cov ntawv thov tseem ceeb heev xws li amplifiers.
Vim li cas germanium zoo dua silicon?
Ge muaj hluav taws xob ntau dua thiab qhov txav mus los thiab vim tias cov khoom siv Ge no tuaj yeem ua haujlwm tau ntau dua li Si cov khoom siv. Lub germanium diode tseem yog zoo tshaj rau silicon diode hais txog lub zog poob, tam sim no poob, thiab lwm yam. Lub Ge diode poob tsuas yog 0.3-0.4 ib volt thaum lub silicon diode poob txog 0.6-0.7 volts..
Vim li cas germanium siv rau transistors?
Germanium tau ua lub luag haujlwm tseem ceeb hauv kev txhim kho thawj cov transistor thiab nws cov txiaj ntsig zoo li cov khoom siv semiconductor yog li tau lees paub. … Qhov zoo tshaj plaws electron thiab qhov txav mus los ntawm germanium nrog rau nws qhov qis melting point tau txhawb ntau kev tshawb fawb los hloov cov khoom siv silicon tam sim no nrog germanium.
Vim li cas germanium siv hauvsemiconductors?
Germanium atoms muaj ib lub plhaub ntau dua silicon atoms, tab sis dab tsi ua rau cov khoom siv semiconductor nthuav yog qhov tseeb tias ob leeg muaj plaub lub tshuab hluav taws xob hauv lub plhaub valence. Raws li qhov tshwm sim, ob qho tib si cov ntaub ntawv yooj yim tsim lawv tus kheej li cov lattices siv lead ua. … Cov txheej txheem ntawm kev ntxiv cov atoms no hu ua doping.
Pom zoo:
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Koj puas tuaj yeem hloov kho lub kaus mom uas tuaj yeem rub tau?
Nws tsis tuaj yeem muab tais, dov los yog crushed txhua txoj kev, vim tias tom qab ntawd nws yuav xav tau kev tshaj lij rov tsim thiab ua kom sov. Qhov no yog vim li cas kuv hnav kuv lub "crushable" Borsalino ntau dua li lwm lub kaus mom hauv kuv cov khoom sau.
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
Los ntawm kev hloov pauv hloov pauv hloov pauv?
Kev hloov pauv hloov pauv hloov pauv (TMA) yog qhov isothermal (tsis hloov pauv nucleic acid kub), ib leeg-tube nucleic acid amplification system siv ob lub enzymes, RNA polymerase thiab thim rov qab kev sau ntawv. … Cov txheej txheem no tuaj yeem siv los tsom rau RNA thiab DNA.
Puas tuaj yeem nce thiab dhau qhov chaw nres tsheb tuaj yeem siv tau?
Up thiab tshaj (retractable) Feem ntau suav hais tias hom chaw nres tsheb yooj yim tshaj plaws rau automate, thiab kuj yog tus nqi zoo tshaj plaws, ib yam nkaus. Txhawm rau ua kom lub qhov rooj no ua haujlwm tau zoo, lub boom raug teeb tsa saum toj ntawm cov qauv qhib thiab, ntawm qhov kawg, lub tshuab hluav taws xob tau teeb tsa.
