Xov xwm

Lub hauv paus ntsiab lus ua haujlwm ntawm lub tshuab cais tshwj xeeb yog feem ntau ua raws li lub zog centrifugal thiab qhov sib txawv ntawm lub ce...

Distillation yog ib qho kev sib cais ntawm cov khoom siv sib txawv uas siv qhov sib txawv ntawm cov ntsiab lus kub ntawm cov khoom ntawm qhov kub s...

Extraction yog ib chav ua haujlwm uas cais cov sib tov los ntawm kev siv cov solubilities sib txawv ntawm cov khoom hauv cov kuab tshuaj.