Kev paub
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07
Aug
Kev siv lithium carbonateLithium carbonate tuaj yeem siv rau lithium tebchaw thiab enamel, iav tsim, yog cov khoom siv raw rau lithium compounds thiab lithium hlau, tuaj yeem siv los ua cov khoom siv da dej electrolytic rau t
Ntau -
06
Aug
Txoj kev khaws cia ntawm lithium carbonate3-hauv-1 lub hnab ntim khoom sib txuas nrog lub hnab yas, 25kg / hnab; Los yog fiberboard nruas ntim, 25kg / nruas. Khaws rau hauv qhov chaw txias, qhuav thiab ventilated.
Ntau -
04
Aug
Sulfuric acid rau metallurgical thiab roj av kev lag luamSulfuric acid rau metallurgical thiab roj av kev lag luam
Ntau -
02
Aug
Keeb kwm ntawm lub discovery ntawm sulfuric acidKeeb kwm ntawm lub discovery ntawm sulfuric acid
Ntau -
01
Aug
Kev tiv thaiv kev puas tsuaj ntawm hydrofluoric acidKev tiv thaiv kev puas tsuaj ntawm hydrofluoric acid
Ntau -
30
Jul
Lub cev thiab tshuaj muaj zog ntawm hydrofluoric acidLub cev thiab tshuaj muaj zog ntawm hydrofluoric acid
Ntau -
29
Jul
Pathogenic txoj cai ntawm hydrofluoric acidHydrogen fluoride stimulates thiab erodes khaub ncaws, tawv nqaij, ob lub qhov muag, ua pa ib ntsuj av tau thiab digestive ib ntsuj av mucosa.
Ntau
