Xov xwm

Cov khoom siv ntxhua khaub ncaws yuav tsum tsim txog 6-8 hom khoom siv raw, ntxuav cov khoom siv hauv cov npuas dej, decontamination, rau roj, viscosity, ph, tshuaj tsw qab, xim...

Ntau yam stains los ntawm cov ntaub nto, dawb ntawm cov kua, nrog kev pab los ntawm nonionic surfactants thiab stains los tsim ib tug ruaj khov chelating tus neeg saib xyuas, ts...

Sulfonic acid, sulfo thiab alkyl (xws li aryl) txuas nrog rau chav kawm ntawm cov organic tebchaw. General formula R-SO3H, R sawv cev ntawm cov hydrocarbon, muaj zog acidity, ku...

Cov Lus Qhia Txog Kev Nyab Xeeb: Ua rau kub hnyiab hnyav yog tias nqos. Tej yam tshwm sim kev noj qab haus huv Qhov muag: Ua rau qhov muag kub hnyiab. Daim tawv nqaij: Ua rau ta...

Cov tsiaj rog thiab cov roj tseem ceeb rau kev tsim cov tshuaj xab npum Feem ntau siv xab npum tsiaj tsiaj rog: butter, lard. Butter yog lub ntsiab los ntawm cov khoom lag luam ...

Tau yaj nyob rau hauv dej detergent, tuaj yeem nqus tau los ntawm daim tawv nqaij mus rau hauv lub cev, lub sij hawm ntev ntawm daim siab puas tsuaj yooj yim ua rau mob qog noj ...

Lub luag haujlwm tseem ceeb ntawm cov tshuaj ntxuav tes yog ua lub luag haujlwm ntawm kev tu tawv nqaij, qee cov khoom xyaw tshwj xeeb tuaj yeem ua cov tshuaj tua kab mob, ua ko...

Kev ntxhua khaub ncaws yog lub neej thiab tom qab ntawd cov khoom siv yooj yim, rau cov khoom siv ntxhua khaub ncaws ntxhua khaub ncaws, ntxhua khaub ncaws yog ib txoj haujlwm t...

Cov khoom xyaw tseem ceeb ntawm cov tshuaj ntxuav tes yog benzene sulfonic acid sodium, muaj qhov ua kom tsis zoo, kev siv yooj yim heev, yog li cov neeg nyiam heev. Tam sim no ...