Xov xwm
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Kev ua ntawm cov tshuaj lom neeg hauv cov hlau
1. Carbon (C). Carbon yog cov tshuaj lom neeg tseem ceeb tshaj plaws uas cuam tshuam rau qhov txias yas deformation ntawm hlau. Qhov siab dua cov pa roj carbon cov ntsiab lus, lub zog ntau dua ntawm hlau, thiab qis dua ntawm txias plasticity. Nws tau ua pov thawj tias rau txhua 0.1% nce hauv cov pa roj carbon cov ntsiab lus, lub zog tso zis nce ntxiv ...Nyeem ntxiv -
Cov kev cai rau pob ntawm cov yeeb nkab loj uas muaj kauv
Kev thauj cov yeeb nkab hlau loj uas muaj kauv yog ib qho teeb meem nyuaj hauv kev xa khoom. Yuav kom tiv thaiv kev puas tsuaj rau cov yeeb nkab hlau thaum lub sijhawm thauj mus los, nws yog ib qho tsim nyog yuav tsum ntim cov yeeb nkab hlau. 1. Yog tias tus neeg yuav khoom muaj cov kev cai tshwj xeeb rau cov ntaub ntawv ntim khoom thiab cov txheej txheem ntim khoom ntawm kauv...Nyeem ntxiv