B40 hnyav rov qab tshuab yog cov khoom siv tshuaj zoo, ib puag ncig thiab txhim khu kev qha. Lub tshuab qauv yog B40, uas tuaj yeem rov qab tau thiab rov siv ntau yam organic solvents (xws li cawv, ketones, aldehydes, ether, thiab lwm yam), uas ua lub luag haujlwm tseem ceeb hauv kev tsim tshuaj.
B40 hnyav rov qab tshuab siv ntau theem distillation thev naus laus zis kom vaporize thiab cais cov khib nyiab pov tseg rau hauv cov organic hnyav thiab cov khoom pov tseg, kom cov khib nyiab pov tseg tuaj yeem rov qab tau thiab rov qab siv dua. Nws cov ntsiab lus yog yooj yim thiab yooj yim rau kev khiav lag luam, txo ib puag ncig muaj kuab paug hauv kev siv, txo cov nqi tsim khoom lag luam, thiab yog cov khoom siv tiv thaiv ib puag ncig tseem ceeb rau kev lag luam tshuaj lom neeg.
B40 hnyav rov qab tshuab yog tsim rau ntau yam kev siv, nrog rau cov organic synthesis, coatings, xim, tu, kho deg thiab lwm yam teb. Vim tias lub tshuab siv tau yooj yim thiab tuaj yeem txuag cov nqi lag luam, nws tau nyiam los ntawm cov neeg siv feem ntau.
Peb muab ntau yam kev pabcuam logistics, tuaj yeem muab cov neeg siv khoom xa khoom sai thiab yooj yim, tshem tawm thiab kev pabcuam.
Peb muab kev pabcuam zoo tom qab muag, yog tias cov neeg siv ntsib teeb meem hauv kev siv, peb yuav daws nws rau koj raws sijhawm.
Cov teeb meem tshwm sim:
1. Lub neej ua haujlwm ntawm B40 hnyav rov qab tshuab yog dab tsi?
A: Cov cuab yeej siv cov ntaub ntawv muaj zog thiab txhim khu kev qha, muaj lub neej ua haujlwm ntev, thiab tuaj yeem khaws cia rau ntau tshaj kaum xyoo.
2. Cov khoom siv puas yuav tsum tau saib xyuas tsis tu ncua?
A: Koj raug qhia kom tswj tau lub cuab yeej ib zaug txhua lub hlis twg los xyuas qhov kev ua haujlwm ib txwm muaj ntawm txhua yam khoom siv.
3. Tsuas yog qee hom kuab tshuaj puas tuaj yeem siv dua?
A: B40 hnyav rov qab tshuab tuaj yeem rov qab tau ntau yam ntawm cov kuab tshuaj organic, tab sis nws yuav tsum tau muab sau tseg tias cov kuab tshuaj sib txawv muaj qhov sib txawv evaporation kub thiab vapor pressures, uas yuav tsum tau kho raws li qhov tseeb.
B40 hnyav rov qab tshuab yog cov cuab yeej siv tshuaj zoo thiab ib puag ncig zoo, uas tuaj yeem ua tau raws li qhov xav tau ntawm ntau yam organic solvents rov qab thiab nqa tau yooj yim rau cov neeg siv cov dej num ntau lawm. Peb yuav ntxiv dag zog rau cov khoom zoo thiab kev pab cuam tom qab muag, muab cov neeg siv khoom zoo dua qub thiab cov kev pabcuam.
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