Xov xwm kev lag luam
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Tu siab kawg li! Muaj 8 tus neeg tuag thiab 26 tus raug mob! Xyoo 2021, muaj 10 qhov xwm txheej hauv cov lag luam tshuaj lom neeg!
Yam tsawg kawg yog xya tus neeg ua haujlwm tau raug mob hauv tsev kho mob tom qab muaj hydrogen sulphide xau ntawm lub Hoobkas tshuaj hauv Maharashtra, Is Nrias teb, thaum Lub Ib Hlis 21. Muaj kev lom carbon monoxide thaum 3:26 sawv ntxov rau Lub Ib Hlis 19 ntawm Ruifeng Coal Mine hauv Xingxing Township ntawm Dafang County, Guizhou Province. Txij li thaum 12:44 rau Lub Ib Hlis ...Nyeem ntxiv -
Cov ntsiab lus hais txog 1,3-Dichlorobenzene thiab txoj kev tsim khoom CAS: 541-73-1
1,3-Dichlorobenzene yog ib yam kua tsis muaj xim nrog ib qho tsw ntxhiab tsw qab. Insoluble hauv dej, soluble hauv cawv thiab ether. Muaj tshuaj lom rau tib neeg lub cev, ua rau khaus rau qhov muag thiab daim tawv nqaij. Nws yog flammable thiab tuaj yeem dhau los ntawm chlorination, nitration, sulfonation, thiab hydrolysis reactions. Nws reacts hnyav nrog txhuas thiab ...Nyeem ntxiv -
Tshawb nrhiav 1,489! Lub xeev tawm tsam hnyav rau kev tsim khoom tsis raug cai, khaws cia cov tshuaj lom neeg txaus ntshai!
Sib sib zog nqus cov lus qhia los ntawm qhov xwm txheej thiab txhawb cov khoom siv tshuaj lom neeg txaus ntshai kev nyab xeeb kev kho kom raug ua tiav peb xyoos, thaum Lub Yim Hli 2020, pawg neeg tau muab los ntawm kev daws teeb meem ntawm Pawg Sab Laj Hauv Xeev, tau xa mus rau hauv ib xyoos thoob plaws lub tebchaws tsis raug cai "tshuaj me me" kev kho kom raug ...Nyeem ntxiv -
Kev tsim cov organic nruab nrab-2,5-Dichlorotoluene
Lub npe lus Askiv: 2,5-Dichlorotoluene Lus Askiv alias: Benzene, 1,4-dichloro-2-methyl-; NSC 86117; Toluene, 2,5-dichloro- (8CI); 1,4-dichloro-2-methylbenzene MDL: MFCD00000609 CAS Number: 19398-61-9 Cov mis molecular: C7H6Cl2 Qhov hnyav molecular: 161.0285 Cov ntaub ntawv lub cev: 1. Cov khoom: tsis muaj xim tsis muaj fl ...Nyeem ntxiv -
Cov ntsiab lus hais txog Bon acid 92-70-6
Lub Npe: 3-Hydroxy-2-naphthoic acid Alias: CI Developer 20; CI Developer 20 (Obs.); CI Developer 8; 3-Hydroxy-2-naphthalenecarboxylic acid; Bon Acid; beta-oxynaphthoic acid; 2,3-Bon Acid; Refined Bon Acid; 2-Hydroxy- 3-Naphthalene Carboxylic acid; 3-Hydroxy-2-Naphthslene Carboxylic acid; 3-Hydroxy-2...Nyeem ntxiv -
Vim li cas cov xim tsis ruaj khov?
Yuav ua li cas txhim kho qhov ceev ntawm kev zas xim ntawm cov ntaub luam tawm thiab cov ntaub zas xim kom tau raws li qhov kev thov ntawm kev lag luam textile uas nce zuj zus tau dhau los ua ib qho kev tshawb fawb hauv kev lag luam luam ntawv thiab zas xim. Tshwj xeeb, qhov ceev ntawm cov xim reactive rau cov ntaub xim sib dua, qhov ceev ntawm cov xim tsaus thiab d...Nyeem ntxiv -
Ua rau muaj tus kab mob sib kis! Muaj ntau lub tuam txhab tshuaj lom neeg tshaj tawm tias lawv yuav tsum tsis txhob txais cov xaj! Tag nrho cov kab thauj khoom raug ncua, thiab kev muab cov khoom siv raw yog teeb meem!
Muaj ntau lub tuam txhab tshuaj tsis kam txais cov xaj lawm! Thov npaj khoom ua ntej! Txij li Hnub Xyoo Tshiab, ntau lub tuam txhab tshuaj tau xa ntawv kom tawm mus ua ntej, thiab ceeb toom cov neeg siv khoom kom tso cov xaj ua ntej kom npaj lawv kom tiv thaiv kev cuam tshuam rau kev tsim khoom thiab kev ua haujlwm ib txwm muaj....Nyeem ntxiv -
Hoobkas Nqe Siab Purity N, N-dimethylaniline / 99% CAS 121-69-7
Lub Hoobkas Nqe Siab Purity N, N-dimethylaniline / 99% CAS 121-69-7 Mit-ivy kev lag luam Lub Hoobkas nqe zoo N, N-Dimethylaniline rau kev tsim khoom. CAS 121-69-7, EC Number 204-493-5, cov mis tshuaj C8H11N Muag kub !! Tuam Tshoj Chaw Tsim Khoom n, n-dimethylaniline CAS NO. 121-69-7 hauv Tshuag Whatsapp / w ...Nyeem ntxiv -
Nce 344%! Tus nqi thauj khoom nce siab tshiab "Cov thawv khoob" kub heev!
Nyob rau hauv kev cuam tshuam ntawm tus kab mob sib kis, kev lag luam txawv teb chaws hauv xyoo 2020 tau ntsib qhov sib txawv ntawm thawj qhov kev poob qis thiab tom qab ntawd nce ntxiv. Kev lag luam txawv teb chaws qeeb hauv thawj ib nrab ntawm lub xyoo, tab sis sai sai tau nce siab hauv ib nrab xyoo tom ntej, ncav cuag lub xeev kub, tshaj qhov kev cia siab ntawm kev ua lag luam. Kev hla lub thawv...Nyeem ntxiv -
Lus Cim! ! Cov cai tshiab rau kev tshuaj xyuas thiab kev saib xyuas kev xa tawm thiab xa tawm cov tshuaj lom neeg txaus ntshai tau raug siv ua tiav
Thaum Lub Kaum Ob Hlis 18, 2020, Lub Chaw Haujlwm Saib Xyuas Kev Lis Kev Cai tau tshaj tawm "Kev Tshaj Tawm Txog Cov Teeb Meem Txog Kev Tshuaj Xyuas thiab Kev Saib Xyuas Kev Ntshuam thiab Xa Tawm Cov Tshuaj Lom Zem thiab Lawv Cov Ntim Khoom" (Kev Tshaj Tawm No. 129 ntawm 2020 ntawm Lub Chaw Haujlwm Saib Xyuas Kev Lis Kev Cai). Cov lus tshaj tawm...Nyeem ntxiv -
Kev hloov kho tshiab ntawm cov khoom, khaws cia, koj tuaj yeem nrhiav kuv thaum twg koj xav tau!
Khoom CAS 2-Naphthol 135-19-3 Bon acid 92-70-6 2,5-Dichlorotoluene 19398-61-9 2,3-Dichlorobenzaldehyde 6334-18-5 2′,4′-Dichloroacetophenone 2234-16-4 2,4-Dichlorobenzyl cawv 1777-82-8 3,4′-Dichlorodiphenyl ether 6842-62-2 "1,3-Dichlorobenzene MDCB" 541-73-1 pT...Nyeem ntxiv -
Coj koj mus nkag siab txog 1,3-Dichlorobenzene MDCB
1,3-Dichlorobenzene yog ib yam kua tsis muaj xim nrog ib qho tsw ntxhiab tsw qab. Insoluble hauv dej, soluble hauv cawv thiab ether. Muaj tshuaj lom rau tib neeg lub cev, ua rau khaus rau qhov muag thiab daim tawv nqaij. Nws yog combustible thiab tuaj yeem dhau los ntawm chlorination, nitrification, sulfonation, thiab hydrolysis reactions. Nws reacts hnyav nrog txhuas ...Nyeem ntxiv