Xov Xwm Tuam Txhab
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Dab tsi kuv yuav tsum tau them sai sai rau hauv kev ua haujlwm ntawm lub tshuab nqus tsev vacuum
Lub tshuab nqus tsev ntxhua khaub ncaws muaj qhov ziab kom qhuav sai, kev ua haujlwm siab, thiab yuav tsis ua rau muaj kev puas tsuaj rau cov as-ham ntawm cov khoom.Nws yog tsim los rau ziab tshav kub-rhiab heev, yooj yim decomposed thiab yooj yim oxidized tshuaj, thiab nws tseem tuaj yeem sau nrog inert roj rau sab hauv, es ...Nyeem ntxiv -
Daim ntawv thov ntawm chromium nitrate ntsia hlau siv lub tshuab nqus tsev
Chromium nitrate yog tsaus liab doog orthorhombic monoclinic crystals, feem ntau siv rau hauv iav manufacturing, chromium catalyst, luam ntawv thiab dyeing, thiab lwm yam..Nyeem ntxiv
