Txoj moo

Nyob zoo cov neeg siv khoom, peb, Zhejiang polymer tshuaj co {}}, muaj cov txheej txheem ntau lawm sawv ntsug ntawm 20,}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} rau ...

Ethanol-gasoline blended roj, ua li cas dimethyl carbonate nce octane ntsuam xyuas? 【Introduction】 Nyob rau hauv cov roj av, ethanol-roj sib tov roj yeej ib txwm nyiam ntau xim. Raws li lub zog tau...

Cov khoom siv tshuaj lom neeg ntawm acetonitrile: cov kua tsis muaj xim tsis muaj pob tshab, nrog cov ntxhiab tsw txawv txawv zoo li ether. Nws yog miscible nrog dej, methanol, methyl acetate, acet...

Tetrahydrofuran tuaj yeem siv los ua cov kuab tshuaj thiab cov khoom siv raw rau cov organic synthesis. Nws yog siv los ua cov kuab tshuaj aprotic nrog nruab nrab polarity hauv tshuaj tiv thaiv thi...

1. Nyob rau hauv rooj plaub ntawm daim tawv nqaij nrog acetonitrile, tshem tawm cov khaub ncaws tsis huv thiab ntxuav daim tawv nqaij kom huv si nrog dej soapy thiab dej ntshiab. Nyob rau hauv cov ...

Txhawm rau kuaj seb tetrahydrofuran puas muaj txiaj ntsig rau kev kho dej phwj tuaj, peb tuaj yeem xav tias tetrahydrofuran yuav muaj qee yam cuam tshuam rau kev kho dej phwj los ntawm kev nkag sia...

Alkyne-peg3-cooh (propynyl tripolyethylene glycol carboxyl) cas:1347760-82-0 yog bifunctional triethylene glycol derivative nrog carboxyl thiab alkyne moiety. Cov qub tuaj yeem ua haujlwm tau los n...

Boc-nh-peg4-oh (TERT butoxycarbonyl tetrapolyethylene glycol hydroxyl) cas:106984-09-2 yog linear heterobifunctional peg compound nrog ib hydroxyl thiab ib BOC tiv thaiv amine, uas muaj ib chav tse...

NH2-PEG3-COOH ( - Carboxyl pawg- ω- Amino polyethylene glycol) cas:784105-33-5 yog ib qho zoo linear heterobifunctional peg derivative nrog thawj pawg amine thiab pawg carboxyl, uas tuaj yeem siv l...

Nh2-peg3-nh2 (amino polyethylene glycol amino) cas:929-75-9 yog linear bifunctional peg crosslinker nrog reactive thawj amine los yog NH2 pab pawg, uas tuaj yeem hnov ​​​​mob sai sai nrog cov carbo...

4-armpeg-cooh (plaub armed polyethylene glycol carboxylic acid) yog ib tug multi armed peg derivative nrog carboxyl pawg ntawm txhua qhov kawg ntawm plaub caj npab. COOH pab pawg tuaj yeem siv los ...

4-armpeg-ac (plaub caj npab polyethylene glycol acrylate) yog ib lub caj npab peg derivative nrog acrylate pawg ntawm txhua qhov kawg ntawm plaub caj npab, uas txuas nrog lub pentaerythritol core. ...