Xov xwm

{{0} eptene muaj cov khoom siv tshuaj lom neeg hauv qab no: {} {} {} {} {}} Refacking Qhov ntsuas: 1.4087, nyem taw tes: 21 degree. Nws tuaj yeem u...

{{01. Txij li Ethylene tuaj yeem txhawb nqa cov khoom siv ethiny, thaum cov khoom ua pa ntawm cell ntau dua, thiab muaj peev xwm ua pa ntawm cell t...

Kev tawm dag zog yog qhov yooj yim me me carbon-carbon bonds thiab yog tam sim no} {} {} {} {} {} { 3.0% ...

Hauv kev txhim kho cov petrochemicals, muaj cov khoom tseem ceeb thiab kim kim heev - uas yog n-butane. Yog li hnub no, cia qhia txog N-Butane yog ...

Propylene, cov organic sib xyaw nrog cov roj molecular c3h6, yog cov roj tsis muaj xim thaum hlawv cov pa hluav taws xob me ntsis hauv huab cua yog...

Nyob rau hauv cov ntsiab lus ntawm kev kawm 1- Holroleum Hydroum Hydroum Hydrocarbon Tebchaw thiab cov khoom lag luam, yog li...

Txheej txheem cej luam N-Butene yog cov roj tsis muaj xim nyob rau hauv cov kab mob uas muaj ntxhiab tsw, thiab cov tshuaj ntsuab epolys {}} butene...

Sulfur hexafluoride (SF6) roj muaj ntau cov kev siv ntawm cov neeg uas muaj kev sib tw ntawm cov neeg uas muaj kev sib tw ntawm cov neeg uas muaj k...

Tom qab cov kev tshwm sim thiab kev ntsuas ntau ntawm cov cfc tub yees, siv cov tub yees uas tau muaj kev puas tsuaj rau cov tub yees uas tau raug ...

Txheej txheem cej luam 1, {3- Butadiene yog qhov tseem ceeb petrochemical cov khoom siv roj hmab thiab cov khoom siv hluav taws xob} Tam sim no} Ta...

Taw qhia yog lub npe, tseem hu ua 2- methylropropylene, yog feem ntau yog 5% rau 30% rau 30} ...

Ethylene, nrog cov tshuaj c2h4 thiab hnyav hnyav ntawm 28 {} orgbon atoms muaj kev sib txuas nrog cov pa roj carbon-carbon ob npaug. Ethylene tshwm...