Cov thawv ntim khoom ntim tau ua los ntawm cov yas muaj ntau tus cwj pwm xws li ceev ceev, lub teeb yuag, thiab ua tau yooj yim. Lawv tuaj yeem ua pob tshab lossis opaque hauv qhov tsos. Nws yog dav siv hauv kev lag luam ntim khoom noj.
Qhov zoo ntawm cov thawv ntim yas:
1. Yooj yim rau daim ntawv. Ntev npaum li cov pwm hloov pauv, ntau hom ntim tuaj yeem tau txais, thiab cov khoom loj tuaj yeem ua tiav tau yooj yim.
2. Cov nyhuv ntim tau zoo, muaj ntau hom yas, yooj yim rau xim, thiab xim yog ci. Ntau hom ntim ntim tuaj yeem ua raws li qhov xav tau kom ua tiav cov txiaj ntsig zoo tshaj plaws.
3. Nws muaj kev tiv thaiv corrosion zoo, acid thiab alkali tsis kam, roj tsis kam thiab cuam tshuam tsis kam; thiab muaj zoo mechanical zog.
Dab tsi yog Qhov Zoo Ntawm Cov Thawv Ntim Yas?
Apr 09, 2024
