2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cermets yog siv nyob rau hauv kev tsim cov resistors (tshwj xeeb tshaj yog potentiometers), capacitors, thiab lwm yam hluav taws xob Cheebtsam uas tej zaum yuav muaj kub. Cermets yog siv los hloov tungsten carbide nyob rau hauv saws thiab lwm yam brazed cov cuab yeej vim lawv superior hnav thiab corrosion zog.
Yim hu ua cermet?
A cermet yog cov khoom sib xyaw ua ke ntawm cov khoom siv ceramic suav nrog titanium carbide (TiC), titanium nitride (TiN), thiab titanium carbonitride (TiCN) sib koom nrog hlau. Lub npe "cermet" muab cov lus ceramic (cer) thiab hlau (metal).
YYuav ua li cas cov khoom sib xyaw yog cermets?
A cermet yog cov khoom siv sib xyaw suav nrog ceramic (cer) thiab hlau (metallic) cov ntaub ntawv. Cov ceramic feem ntau muaj qhov kub thiab txias tsis kam, thiab cov hlau muaj peev xwm ua rau cov yas deformation. Lub cermet yog tsim los kom muaj kev sib koom ua ke zoo ntawm cov ceramic thiab hlau.
Cermet ua li cas?
Muaj ntau txoj hauv kev los tsim cov cermets. Ib qho kev xaiv muaj nyob ntawm no. DU dioxide thiab steel hmoov sib tov, qhov sib tov yog muab tso rau ntawm cov nplooj ntawv huv ntawm cov hlau, "sandwich" yog rhuab, thiab cov qhaub cij yog dov. Qhov tshwm sim yog ib qho khoom cermet, uas muaj cov hlau huv sab nrauv.
Qhov txawv ntawm cermet thiab ceramic yog dab tsi?
yog tias ceramic yog (tsis suav tau) cov khoom siv tawv tawv uas tsim tawmlos ntawm kev kub nyhiab ntawm cov khoom siv hlau tsis zoo ntawm qhov kub thiab txias thaum cermet yogcov khoom sib xyaw cov khoom siv los ntawm cov khoom siv ceramic thiab hlau, siv rau hauv cov ntawv thov xws li kev lag luam saws thiab turbine hniav.
Pom zoo:
Puas siv hluav taws xob hauv qhov hluav taws xob tuaj yeem siv rau ntawm qhov loj?
Txawm hais tias tsawg dua, lwm hom kev siv hluav taws xob hauv av tuaj yeem siv los muab ntau lub zog ntau dua. Tapping qhov chaw ntawm cov dej kub faus rau hauv qab lub ntiaj teb saum npoo tuaj yeem muab cua sov rau cov neeg coob coob, thiab tsim kom muaj zog txaus los tsim hluav taws xob loj.
Qhov twg yog hais txog qhov kaj los yog qhov tsaus ntuj ntawm qhov ntxoov ntxoo?
Vim yog hais txog qhov kaj los yog qhov tsaus ntuj ntawm cov xim. Lub teeb xim yog tint. … Xim tsaus yog hu ua ntxoov ntxoo. Lub kaw lus hu ua dab tsi los txiav txim qhov kaj thiab qhov tsaus ntuj ntawm cov xim? Hue txawv ib xim ntawm lwm tus thiab piav qhia siv cov npe xim xws li ntsuab, xiav, liab, daj, thiab lwm yam.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
Qhov twg thiab qhov twg yog qhov hav silicon?
Silicon Valley yog ntiaj teb qhov chaw ntawm kev tsim kho thev naus laus zis nyob hauv South San Francisco Bay Area ntawm California. Silicon Valley yog lub tsev rau ntau lub tuam txhab thev naus laus zis, software, thiab internet. Qee lub tuam txhab loj hauv cheeb tsam suav nrog Apple, Alphabet's Google, Chevon, Facebook, thiab Visa.
