Kev Kho Mob Ntim Kab Xev

Cov khoom siv hauv paus ntawm cov khoom siv kho mob daim kab xev yog cov khoom siv ntoo huv huv, tsis muaj tshuaj lom, tsis khaus, thiab muaj huab cua zoo permeability. Daim kab xev ntim kab mob kho tau yooj yim, yooj yim rau kev so, thiab yooj yim rau kev khiav lag luam; nws yog qhov tsim nyog rau khaub thuas zoo li lub ntim ntawm cov ntaub paj rwb uas tsis muaj menyuam siv los ntawm chav kho mob thiab chaw ua haujlwm. Lub zog siab, ethylene oxide, formaldehyde kom tsis muaj menyuam, thiab lwm yam.