Peb yog leej twg?
Tag nrho peb cov khoom txhawb nqa ib feem thib peb soj ntsuam.
Nrog 30 xyoo ntawm kev paub, peb muaj kev txawj ntse ntau hauv kev xa tawm Ferrovanadium thiab silicon carbide mus rau Europe.
Peb txiav txim siab ntau kom ntseeg tau tias lub sijhawm xa khoom ntev, thiab peb muab cov kev xaiv them nyiaj tsis yooj yim, suav nrog TT / LC.
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Chaw Nyob: Huafu Lub Chaw Lag Luam, Wenfeng Cheeb Tsam, Lub Nroog Anyang, Henan xeev, Suav
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Silicon yog ib qho ntawm lub sijhawm, yav tas los hu ua "silicon". Lub ntsiab lus melting yog 1420 thiab qhov ceev yog 2.34 g / cm3. Nws yog qhov nyuaj thiab nkig. Nws yog insoluble hauv cov kua qaub ntawm chav tsev kub thiab soluble hauv alkali. Cov khoom ntawm cov hlau silicon zoo ib yam li cov ntawm German, txhuas, thiab tin, thiab nws muaj cov khoom lag luam semiconductor. Silicon cov peev txheej hauv lub ntiaj teb crust muaj ntau heev, tus lej thib ob rau ntau dua ib lub ntiaj teb ntawm lub ntiaj teb kev ua kaub puab, thiab muaj nyob rau hauv daim ntawv ntawm silicon dioxide lossis silicates. Lub puricon pob zeb ntxhia yog quarica. Muaj ob feem ntawm silicon: ib qho yog hmoov av tsaus ntuj amorphous hmoov, uas yog nquag thiab tuaj yeem hlawv hauv huab cua; Lwm tus yog cov siv lead ua (crystalline silicon) nrog cov khoom ruaj khov. Feem ntau, silicon dioxide thiab quartz yog siv rau iav thiab lwm yam khoom siv hauv tsev, thaum cov quarty zoo quartz yog siv los ua alloys, hlau thiab ib leeg muaju.
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Q: Yuav ua li cas txog qhov zoo?
A: Peb muaj cov kws tshaj lij tshaj lij ua haujlwm thiab qc nruj thiab QC.
Q: Peb puas tuaj yeem yog koj cov chaw muag khoom?
A: Peb tab tom nrhiav rau cov neeg xa khoom thiab cov neeg sawv cev thoob ntiaj teb.
Q: Cov ntim tau li cas?
A: Peb cov qauv ntim yog nyob rau hauv cov thoob, tab sis peb tseem tuaj yeem ntim raws li koj cov kev xav tau tshwj xeeb.
Q: Lub sijhawm xa khoom li cas?
A: Nws nyob ntawm qhov ntau koj xav tau.
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