Los ntawm qhov twg hauv qab no lub tsheb npav raug ntsuas?

Cov txheej txheem:

Los ntawm qhov twg hauv qab no lub tsheb npav raug ntsuas?
Los ntawm qhov twg hauv qab no lub tsheb npav raug ntsuas?
Anonim

Ib txwm npav npav yog ntsuas raws li tam sim no, voltage, zaus thiab lub sijhawm luv luv tam sim no raws li daim ntawv thov.

Yuav ua li cas lub busbar ntsuas?

Lub IEEE hais tias lub tsheb npav yuav tsum raug ntsuas ntawm qhov siab tshaj plaws amperage dhau los ntawm txhua ntu ntawm lub tsheb npav, nrog rau qhov siab tshaj plaws ntawm 50 ° C nce hauv qhov kub ntawm qhov kub thiab txias. ntawm 50 ° C. … Txoj kev ntsuam xyuas no zam dhau qhov kub ntawm lub davhlau ya nyob twg ntawm cov hlau txiav.

Yuav ua li cas hauv qab no siv tau rau cov npav npav ?

Aluminium yog siv rau ntau yam ntawm cov ntawv thov busbar thiab ua cov kab xa hluav taws xob vim nws lub teeb yuag thiab kav ntev.

busbar siv rau dab tsi?

Busbars, tseem hu ua busbar trunking systems, faib hluav taws xob nrog yooj yim dua thiab yoog rawsntau dua li lwm yam kev teeb tsa thiab kev faib tawm mus tas li. Qee lub sij hawm sau cov npav npav lossis tsheb npav, lawv feem ntau yog cov hlau nplaum ntawm tooj liab, tooj dag, lossis txhuas uas ob qho tib si hauv av thiab ua hluav taws xob.

busbar yog dab tsi thiab siv qhov twg?

Busbars feem ntau yog nyob hauv switchgear, vaj huam sib luag boards thiab busway enclosures rau lub zos siab tam sim no fais fab tuag. Lawv kuj tau siv txhawm rau txuas cov khoom siv hluav taws xob siab ntawm cov hluav taws xob hloov hluav taws xob thiab cov khoom siv hluav taws xob tsawg hauv cov txhab nyiaj roj teeb.

Pom zoo:

Nthuav cov khoom
Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?
Nyeem ntxiv

Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?

Peptide daim ntawv cog lus; uncharged tRNA txav mus rau qhov E site & tom qab tawm ntawm ribosome; lub mRNA tau hloov pauv 3 lub hauv paus mus rau sab laug, ua rau tRNA bearing dipeptide hloov mus rau P site P site P-site (rau peptidyl) yog qhov thib ob khi qhov chaw rau tRNA hauv ribosome.

Dab tsi yog asbestiform fibers?
Nyeem ntxiv

Dab tsi yog asbestiform fibers?

Raws li siv hauv daim ntawv tshaj tawm no, lo lus asbestiform fibers suav nrog fibers uas muaj lub zog zoo thiab yoog raws, ruaj khov, cov qauv saum npoo tsis muaj qhov tsis xws luag, thiab ntau lwm yam khoom tau piav qhia tom qab. Kev lag luam zoo asbestos yog ib qho piv txwv ntawm asbestiform fiber.

Colleen dewhurst tuag li cas?
Nyeem ntxiv

Colleen dewhurst tuag li cas?

Dewhurst tuag rau hnub Thursday ntawm mob qog noj ntshav ntawm nws lub tsev hauv New York suburb ntawm Lewisboro, hais Tom Viola, tus kws tshaj lij rau lub koomhaum uas nws ua haujlwm, Tus Ua Yeeb Yam Equity. Txawm hais tias ntau phau ntawv sau npe Dewhurst hnub nyoog li 65, nws yog 67, hais tias nws tus khub ntev, Ken Marsolais.