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Yihoo An333-Phenol-Dawb & Zoo Hydrolysis Kuj Antioxidant
Thaum cov tsoos phenol tsoos antioxidant tiv tauj nrog cov nitrogen thiab cov pa roj oxygen thiab nws tsim cov qauv quinone. Qinone qauv yog lub hauv paus ua rau daj kom daj thiab tau txais liab. Phospite antioxidant tseem muaj dav siv los ua ib qho kev ua kom zoo tshaj plaws antioxidant. Txawm li cas los xij, nrog cov conti ...Nyeem ntxiv -
Tsawg Voc Automotive Tawv Hluav Taws Retardant- Yihoo Fr950
In recent years, with the implementation of in-car air quality regulations, in-car control quality and VOC(volatile Organic Compounds) level have become an important part of automobile quality inspection. Voc yog cov lus txib ntawm cov organic tebchaw, feem ntau yog hais txog lub tsheb cab thiab lub hnab nqa khoom C ...Nyeem ntxiv