Cov ntaub ntawv hauv tsev
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Additives rau tso hens pub: cov teebmeem thiab kev siv ntawm benzoic acid
1, Kev ua haujlwm ntawm benzoic acid: Benzoic acid yog ib qho khoom noj khoom haus uas nquag siv hauv kev noj nqaij qaib. Kev siv cov benzoic acid nyob rau hauv nteg qe pub yuav muaj cov teebmeem nram qab no: 1. Txhim kho cov khoom noj zoo: Benzoic acid muaj cov tshuaj tiv thaiv pwm thiab cov kab mob bactericidal. Ntxiv...Nyeem ntxiv -
Qhov nce ntawm cov khoom siv hauv tsev ntsuab thiab kev sib xyaw ua ke rau sab nrauv phab ntsa
Kev Lag Luam Xov Xwm Kev Tshawb Fawb Hauv Holocene cov hnub nyoog laus, kev txhim kho ntawm lub tsev ntsuab muaj lub teeb-emitting diode rau qhov tshwm sim ntawm lub zog-kev lag luam thiab ib puag ncig tus phooj ywg ntsuab vaj tsev khoom. ntuj pob zeb, cov khoom siv tsis tau txuas ntxiv dua tshiab, tau maj mam hloov los ntawm cov khoom siv ...Nyeem ntxiv
