Txais tos rau SINGNUO
Cov nroj tsuag tsim khoom, Anhui Jiangtai Cov khoom siv thev naus laus zis tshiab, nyob hauv Huaibei cov khoom siv hluav taws xob tshiab hluavtaws ua ke. Nws tau tsim nyob rau xyoo 2017 thiab yog cov tuam txhab tshuaj lom neeg zoo ua ke kev tshawb fawb, kev lag luam thiab kev lag luam. Nws feem ntau tsim cov tshuaj thiab tshuaj tua kab nruab nrab, methyl benzoic acid, nitrobenzoic acid thiab nws cov khoom acyl chloride amide cov khoom lag luam, thiab tau koom tes nrog ntau lub chaw tshawb fawb tshawb fawb hauv tsev thiab cov lag luam zoo kom tau txais ntau daim ntawv pov thawj.
Saib NtxivFAQ ntawm Ntshuam thiab Xa Tawm Ntawm Kev Nyab Xeeb ...
General Administration of Customs Announcement No. 129 of 2020 "Tshaj Tawm Txog Cov Teeb Meem Hais Txog Kev Ntshuam thiab Xa Tawm Cov Tshuaj Muaj Tshuaj Zoo thiab Kev Tshuaj Xyuas Ntim Ntim thiab ...
Sodium hydroxide hiav txwv txheej txheem xa tawm thiab p ...
Sodium hydroxide, tseem hu ua caustic soda thiab caustic soda, tshuaj mis yog NaOH, yog ib yam muaj zog alkali nrog siab corrosivity, feem ntau dawb flake lossis ...
Kev Txheeb Xyuas Txhua Yam Ntawm "Glyp ...
Cov khoom lag luam lub npe: glyphosate Lub teb chaws nrog ntau qhov xa tawm suav nrog: Argentina, Brazil, Tebchaws Asmeskas, Nigeria thiab Thaib Teb Lub npe / tshaj tawm Lub Npe: Tshuaj tua kab (hom ...
Siv thiab Ceev faj Txog DEET
DEET kuj tseem hu ua N, n-diethyl-m-toluidamide. DEET tau tsim thawj zaug thaum Tsov Rog Ntiaj Teb Zaum II thiab tsim los ntawm Asmeskas Lub Tsev Haujlwm Saib Xyuas Kev Ua Liaj Ua Teb. Nws tau siv los ntawm t ...
Rau kev nug txog peb cov khoom lossis daim ntawv teev npe, thov tawm koj tus email rau peb thiab peb yuav kov tsis pub dhau 24 teev.
Nug Tam Sim No