-
Tu siab heev!8 tus neeg tuag thiab 26 tus raug mob!Nyob rau xyoo 2021, muaj 10 qhov xwm txheej hauv kev lag luam tshuaj lom neeg!
Tsawg kawg yog xya tus neeg ua haujlwm tau mus pw hauv tsev kho mob tom qab muaj hydrogen sulphide los ntawm ib tsob nroj tshuaj hauv Maharashtra, Is Nrias teb, thaum Lub Ib Hlis 21. Kev sib tsoo carbon monoxide lom tshwm sim thaum 3:26 teev sawv ntxov Lub Ib Hlis 19 ntawm Ruifeng Coal Mine hauv Xingxing Township ntawm Dafang County, Guizhou. Xeev.As of 12:44 on Janu...Nyeem ntxiv -
Cov ntsiab lus hais txog 1,3-Dichlorobenzene thiab synthesis method CAS: 541-73-1
1,3-Dichlorobenzene yog cov kua tsis muaj xim uas muaj ntxhiab tsw. Insoluble hauv dej, soluble hauv cawv thiab ether. Toxic rau tib neeg lub cev, irritating rau qhov muag thiab tawv nqaij. Nws yog flammable thiab muaj peev xwm raug chlorination, nitration, sulfonation, thiab hydrolysis tshuaj. Nws reacts hnyav nrog txhuas thiab ...Nyeem ntxiv -
Tshawb nrhiav 1,489!Lub xeev tau tawm tsam kev tsim khoom tsis raug cai, khaws cov tshuaj lom neeg tus cwj pwm txaus ntshai!
Sib sib zog nqus cov lus qhia los ntawm kev sib tsoo thiab txhawb nqa cov khoom siv phom sij kev nyab xeeb kev nyab xeeb kev ua haujlwm tau ua peb xyoos, thaum Lub Yim Hli 2020, pawg neeg tshaj tawm los ntawm kev daws teeb meem ntawm Lub Xeev Pawg Neeg Saib Xyuas, tau xa mus rau hauv ib lub xyoo dhau los ua txhaum cai "cov tshuaj me me" rectificati.. .Nyeem ntxiv -
Organic synthesis intermediate-2,5-Dichlorotoluene
Lub npe Askiv: 2,5-Dichlorotoluene English 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 Molecular formula: C7H6Cl2 Molecular Luj: 161.0285 Cov ntaub ntawv cev nqaij daim tawv: 1. Cov khoom siv: tsis muaj xim tsis muaj fl...Nyeem ntxiv -
Biden luam tawm $ 1.9 trillion! Textile raw khoom nqi tshwm "inflationary" nce
Tsuas yog tam sim no, Trump tau tshaj tawm nws cov lus hais nyob zoo, thiab Biden yuav pib ua haujlwm. Txawm tias ua ntej nws los ua haujlwm, nws muaj nws txoj kev txhawb nqa. Nws zoo li lub foob pob nuclear. Biden luam ntawv $ 1.9 trillion zoo li vwm! Yav dhau los, Asmeskas Thawj Tswj Hwm-xaiv Joe Biden nthuav tawm $ 1.9 tr ...Nyeem ntxiv -
Paub meej 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 -
Tam sim no! Ntau lub thawv tau ploj thiab puas los ntawm huab cua phem ntawm lub nkoj US-kab ntawm Maersk.
Ib nthwv dej tsis tau nce qib, lwm qhov tau nce.Lub hli tas los no, muaj ntau yam kev sib tsoo hauv hiav txwv, cov thawv poob thiab kev puas tsuaj tau tshwm sim ntau zaus.Marine xwm txheej ua raws ib tom qab…. Raws li Lub Ib Hlis 18, 2021, tsab ntawv ceeb toom xa mus rau cov neeg siv khoom los ntawm Maersk, lub nkoj "Maersk Essen" ...Nyeem ntxiv -
Vim li cas cov xim ceev ceev tsis zoo?
Yuav ua li cas txhawm rau txhim kho dyeing ceev ntawm cov ntawv luam tawm thiab dyed fabrics kom tau raws li qhov kev xav tau ntawm textile kev lag luam tau dhau los ua ib lub ntsiab lus tshawb fawb hauv kev lag luam luam ntawv thiab dyeing. Hauv particular, lub teeb ceev ceev ntawm reactive dyes rau lub teeb-xim fabrics, ntub ntub ceev ceev ntawm tsaus thiab d ...Nyeem ntxiv -
Ceeb Toom! 330,000 lub lag luam me thiab nruab nrab ntsib kev lag luam poob nyiaj txiag! Ua tib zoo saib xyuas koj qhov kev pheej hmoo sau!
Hauv xyoo 2020 dhau los, qhov "kev sib kis" tshwm sim thoob plaws lub xyoo, thiab kev lag luam kev loj hlob tau pom muaj kev hloov pauv loj. Txawm li cas los xij, kuj tseem muaj qee qhov ci ntsa iab hauv cov teeb meem nyuaj. Tuam Tshoj txoj kev lag luam txawv teb chaws tau lees paub tias yog qhov kev loj hlob sai tshaj plaws hauv xyoo 2020 ...Nyeem ntxiv -
Ua rau muaj kev sib kis! Ntau lub tuam txhab tshuaj tau tshaj tawm tias lawv yuav tsum tsis txhob xaj xaj! Tag nrho cov kab tsheb thauj khoom raug tshem tawm, thiab cov khoom siv raw khoom yog qhov teeb meem!
Ntau lub tuam txhab tshuaj tsis kam xaj! Thov khaws cia ua ntej! Txij li Hnub Xyoo Tshiab, ntau lub tuam txhab tshuaj tau ua tiav cov ntawv xa tawm ua ntej, thiab ceeb toom cov neeg siv khoom kom tso xaj ua ntej los npaj lawv kom tsis txhob cuam tshuam rau kev tsim khoom thiab kev ua haujlwm....Nyeem ntxiv -
Ceev ceev! Tus nqi thauj khoom ntawm cov khoom tau nce los ntawm 600%! Qhov kev pheej hmoo ntawm kev thauj neeg tsis muaj neeg tuaj tos / tso tseg hauv lub tebchaws no tau nce zuj zus thiab yuav nce ntxiv rau lub sijhawm luv!
Raws li qhov teeb meem ntawm qhov chaw nres nkoj congestion yuav tsis txhim kho nyob rau hauv lub sij hawm luv luv, thiab nws yuav ua rau hnyav ntxiv, tus nqi tsheb thauj mus los tsis yooj yim rau kwv yees. Txhawm rau kom tsis txhob muaj kev tsis sib haum xeeb, nws raug pom zoo kom txhua lub tuam txhab xa tawm kos npe FOB daim ntawv cog lus ntau li ntau tau thaum ua lag luam nrog Nige ...Nyeem ntxiv -
Xov xwm Shipping tsis ntev los no
Cov kab mob tshiab tshiab hauv xyoo 2020 tau npog huab cua tuab, txhua qhov chaw ntawm lub neej thoob ntiaj teb tau raug kev puas tsuaj loj, tshwj xeeb tshaj yog kev lag luam tawm txawv teb chaws, nws nyuaj heev, ib lub thawv nyuaj nrhiav, 10,000 USD skyhigh shipping nqi yog "ntev pom. ”. Yog li kuv tau ua ib qho khoom muag ntawm s ...Nyeem ntxiv
