nta
1. Ua haujlwm tsis tshua muaj plua plav tawm
2. Cov ib puag ncig ntawv thiab ntoo ncej
3. Ua zoo paj rwb taub hau muaj qhov siab txuag dej nqus
Daim ntawv thov muaj IPA reagents xws li txhuam, tuaj yeem siv rau qhov piv txwv ntawm nto TOC lossis huv kom paub tseeb tias tuaj yeem siv thiab lwm cov kua roj nplua nyeem tau tuaj yeem tshem tawm cov khoom siv uas muaj feem ntau: tshuaj, tshuaj pleev ib ce, hluav taws xob photoelectric khoom thiab lwm yam kev siv kev lag luam, laser thiab lwm yam kev lag luam, semiconductor thiab lwm yam kev lag luam, kho qhov muag thiab khoom siv hluav taws xob, sib nqus nyeem / sau taub hau tu, video taub hau, ntxuav lub taub hau, qhov cuab yeej ua kom pom tseeb, thiab lwm yam.
