B) bacteriostatic. Pasteurization ua dab tsi rau microbes? A) tua txhua daim ntawv cog qoob loo.
Dab tsi tua cov kab mob vegetative?
Boiling: Kub rau 100oC lossis ntau dua ntawm hiav txwv. Tua cov kab mob ntawm cov kab mob, yuav luag txhua tus kab mob, thiab cov kab mob thiab lawv cov kab mob hauv 10 feeb lossis tsawg dua. Endospores thiab qee cov kab mob tsis raug puas tsuaj sai sai no. Txawm li cas los xij luv luv boiling yuav tua cov kab mob feem ntau.
Pob cov kuab tshuaj bacteriostatic tua cov kab mob?
Cov pab pawg loj yog tshuaj tua kab mob, tshuaj tua kab mob, thiab tshuaj tua kab mob. Cov tshuaj tua kab mob tau muab faib ua ob pawg dav raws li lawv cov txiaj ntsig lom neeg ntawm cov kab mob: cov kab mob tua kab mob tua kab mob, thiab cov kab mob bacteriostatic qeeb lossis ua rau cov kab mob loj hlob.
Kev ua kom tsis muaj menyuam puas tua cov noob qoob loo?
Muab sijhawm txaus (feem ntau 15-45 feeb), autoclaving yog cidal rau ob qho tib si vegetative organisms thiab endospores, thiab yog hom kev ua kom tsis muaj menyuam rau cov ntaub ntawv tsis puas los ntawm tshav kub. Cov dej kub npau npau (100 ° C) feem ntau yuav tua cov noob qoob loo tom qab kwv yees li 10 feeb ntawm qhov kis.
Koj tua kab mob endospores li cas?
Thaum tiv taus tshav kub thiab hluav taws xob, endospores tuaj yeem rhuav tshem los ntawm hlawv lossis los ntawm autoclaving ntawm qhov kub tshaj qhov kub ntawm cov dej kub, 100 ° C. Endospores muaj peev xwmmuaj sia nyob ntawm 100 ° C rau ntau teev, txawm hais tias qhov loj dua cov teev yuav tsawg dua.