Xov xwm

Tam sim no, Tuam Tshoj' kev tsim kho kev lag luam hauv tebchaws tau ua tiav zoo kawg nkaus, thiab kev tsim kho qhov project tseem tab tom tsim. Txawm li cas los xij, hauv kev ts...

Calcium chloride feem ntau yog siv hauv lub neej txhua hnub thiab hauv kev lag luam. Calcium chloride muaj ntau yam siv 1. Desiccant: Thaum peb yuav, peb muaj ib lub hnab me me ...

Cov kua calcium chloride muaj cov yam ntxwv ntawm alkaline, conductive, tsis tshua muaj khov thiab kub kub taw tes: 1. Alkaline: Lub hydrolysis ntawm calcium ions yog alkaline, ...

Cov tshuaj ntxuav tus kheej yog kua, muab tshuaj txhuam los yog cov khoom siv tshuaj ntxuav kom huv rau tib neeg lub cev. Formulated nrog surfactants thiab conditioners los ntxu...

1. Cov kua ntxhua khaub ncaws yog ib pawg tsim tshiab hauv cov tshuaj ntxuav tes. Vim nws txoj haujlwm yooj yim thiab muaj ntau haiv neeg, nws tau dhau los ua cov khoom siv niaj...

Kev cog lus dav dav: ib txoj kev cog lus tau txais los ntawm tus tswv qhov project kom ua tiav qhov project lub hom phiaj. Uas yog hais tias, chav tsev koom nrog kev tsim kho nt...

Tus neeg saib xyuas tu yog cov khoom siv ua kua siv los ntxuav khaub ncaws lossis ntxuav tais diav lossis rooj tog kom huv. Nws yog ib qho tseem ceeb ntawm cov khoom siv tu tsev...

Lub caustic soda yog sodium hydroxide. Feem ntau, cov dej qab zib caustic yog cov khoom siv quav ciab uas tuaj yeem pom, thiab nws yooj yim heev rau nqus dej. Yog li dab tsi yog...

Kev lag luam kev faib tawm Raws li kev lag luam kev lag luam kev faib tawm, cov cwj pwm kev lag luam tshuaj niaj hnub tau muab faib ua 6 pawg hauv qab no: (1) Tshuaj pleev ib ce...