Xov xwm txog cov ntaub ntawv siv hauv tsev

Xyoo Tshiab Zoo Siab - 2025
los ntawm admin rau hnub tim 24-12-31

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Cov khoom ntxiv rau kev pub qaib: cov teebmeem thiab kev siv ntawm benzoic acid
los ntawm admin rau hnub tim 24-05-22
1, Lub luag haujlwm ntawm benzoic acid: Benzoic acid yog ib qho khoom noj khoom haus uas feem ntau siv hauv kev ua liaj ua teb ntawm cov nqaij qaib. Kev siv benzoic acid hauv kev tso qaib pub tuaj yeem muaj cov teebmeem hauv qab no: 1. Txhim kho cov khoom noj khoom haus zoo: Benzoic acid muaj cov teebmeem tiv thaiv pwm thiab cov kab mob bactericidal. Ntxiv...
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Kev nce ntawm cov khoom siv hauv tsev ntsuab thiab kev sib koom ua ke rau phab ntsa sab nraud
los ntawm admin rau hnub tim 24-04-26
Kev Tshawb Fawb Xov Xwm Lag Luam Hauv Holocene laus, kev txhim kho ntawm lub tsev ntsuab muaj lub teeb-emitting diode rau qhov tshwm sim ntawm lub zog-kev lag luam thiab cov khoom siv tsev ntsuab zoo rau ib puag ncig. Pob zeb ntuj, ib qho khoom siv tsis rov ua dua tshiab, tau maj mam hloov los ntawm cov khoom siv ...
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