Nyob rau hauv lub caij sib txawv, cov teeb meem uas yuav tsum tau them sai sai rau thaum siv cov thawv ntim kuj txawv, yog li muaj ob peb cov ntsiab lus uas yuav tsum tau them sai sai rau thaum siv lawv.
Ua ntej: Ua tib zoo tuav lub hnab ntim khoom kom ntau li ntau tau thaum nws tsis siv, kom txo tau cov dej noo thiab tshav ntuj, vim tias qhov cuam tshuam ntawm ib puag ncig sab nraud yuav ua rau lub neej luv ntawm lub hnab. Tsis tas li ntawd xyuam xim rau kev tiv thaiv los nag thiab daus, txias txias thiab huab cua txias, uas yuav txo tau qhov kev siv ntawm cov khoom.
Qhov thib ob, muaj teeb meem ntawm kev siv theem nrab. Ua ntej qhov kev siv thib ob, tag nrho cov khoom thauj khoom qub yuav tsum tau muab pov tseg kom tsis txhob poob los ntawm lwm yam khoom. Kuj tseem muaj qhov teeb meem ntawm nws qhov kev siv ib puag ncig, txo nws txoj kev cuam tshuam rau lub hnab ntim khoom.
Feem ntau ntawm cov hnab yas tsim los ntawm cov chaw tsim khoom muaj kev tiv thaiv corrosion rau cov tshuaj xws li acids thiab alkali. Yog li ntawd, cov kev xav tau rau kev siv thiab kev cia khoom tsis yog siab dhau, thiab nws tuaj yeem nqa tau yooj yim heev. Nws yog nws cov hluav taws xob rwb thaiv tsev zoo heev, nws qhov chaw tiv thaiv thiab ntim tsis kam yog qhov loj, nws qhov hluav taws xob tawg yog qhov loj, thiab nws cov dielectric poob tangent me me.