Cov khoom nruab nrab nruab nrab no loj txaus rau tawg lub teeb, tab sis me me kom nyob twj ywm hauv cov kua. … Emulsions yog immiscible (tsis muaj peev xwm sib tov) colloidal suspensions ntawm ib cov kua hauv lwm cov kua. Emulsions yuav cais mus rau hauv lawv tus kheej cov khoom yog tso cai zaum ntev txaus.
Kev daws teeb meem twg tuaj yeem tawg tau?
THE tawg ntawm lub teeb hauv colloidal cov kev daws teeb meem yog cov cuab yeej tseem ceeb, uas nyob ntawm qhov loj, cov duab, thiab qhov xwm txheej ntawm cov khoom colloidal, thiab yog li ntawd xav kom nthuav tawm cov neeg sib raug zoo. Cov kev hloov pauv tshwm sim hauv cov kab ke hauv cov xwm txheej sib txawv.
Qhov txawv ntawm emulsion thiab colloid yog dab tsi?
Qhov sib txawv tseem ceeb ntawm colloid thiab emulsion yog colloid tuaj yeem tsim thaum twg lub xeev ntawm cov teeb meem (khoom, kua lossis roj) ua ke nrog cov kua whereas emulsion muaj ob yam kua uas yog immiscible nrog ib leeg. … Ib qho colloid feem ntau muaj ob yam; ib ntus tsis tu ncua thiab ib ntus tsis tu ncua.
Dab tsi yog qhov txawv ntawm kev daws thiab emulsion?
Raws li lub npe qhov sib txawv ntawm emulsion thiab tshuaj
yog tias emulsion yog qhov kev ncua ruaj khov ntawm cov tee me me ntawm ib cov kua hauv lwm qhov nroguas nws yog immiscible thaum tov yog ib homogeneous sib tov, uas tej zaum yuav ua kua, roj los yog khoom, tsim los ntawm dissolving ib los yog ntau yam tshuaj.
piv txwv ntawm emulsion yog dab tsi?
NtawmCov khoom noj qhia piv txwv: mis nyuj yog roj hauv dej emulsion; margarine yog dej hauv roj emulsion; thiab ice cream yog ib qho roj thiab cua hauv dej emulsion nrog cov khoom khov nab kuab zoo li. Lwm cov khoom noj emulsions suav nrog mayonnaise, hnav khaub ncaws hnav, thiab cov kua ntses xws li Béarnaise thiab Hollandaise.
