Cov neeg ua haujlwm tu vaj tse yog siv hauv kev lag luam los tshem tawm cov tshuaj lom neeg los yog tshuaj lom neeg kom tshem tawm cov av. Cov neeg ua haujlwm tu tsev feem ntau siv cov surfactants: cationic surfactants, anionic surfactants, amphoteric surfactants, nonionic surfactants, thiab tsis tshua muaj npuas tu Feem ntau siv non-ionic surfactants.
Cov neeg ua haujlwm tu vaj tse xa mus rau cov neeg ua haujlwm tu siv rau kev tu vaj tse. Cov neeg ua haujlwm tu vaj tse yog ib pawg loj thiab muaj ntau yam kev siv. Yog li dab tsi yog lub luag haujlwm ntawm cov neeg ua haujlwm tu vaj tse?
1. Kev tu cov cuab yeej tsim khoom lag luam thiab tshuab tuaj yeem txuas ntxiv lub neej kev pab cuam;
2. Kev ntxuav ntawm cov khoom siv hauv kev lag luam thiab cov tshuab tuaj yeem txo cov teeb meem ntawm cov av thiab txhim kho kev lag luam;
3. Kev tu cov khoom tsim tawm tuaj yeem txhim kho qhov zoo thiab kev ua haujlwm ntawm cov khoom;
4. Ua kom muaj kev saib xyuas cov khoom siv thiab cov khoom siv, tuaj yeem tswj xyuas qhov xwm txheej ntawm cov khoom nto, thiab xyuas kom muaj kev siv cov txheej txheem ntau lawm tom ntej.
5. Txo kev tsim khoom raug mob, tiv thaiv cov txheej txheem tsim khoom thiab cov khoom siv los ntawm cov av, ua rau muaj kev sib tsoo ntau yam, thiab ua kom muaj kev nyab xeeb thiab muaj txiaj ntsig zoo rau tib neeg kev noj qab haus huv.