Video: Kuv tuaj yeem siv dab tsi hloov cov tais diav petri?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txawm hais tias agar yog qhov nyiam dua petri phaj, lwm cov khoom xyaw xws li gelatin siv tau thaum tsis muaj agar. Koj tau ua koj tus kheej hloov agar daim hlau hauv tsev tawm ntawm cov khoom xyaw hauv chav ua noj. Ntxuav koj txhais tes, koj lub txee thiab txhua yam tais diav koj yuav ua siv kom huv si.
Ib yam li ntawd, koj tuaj yeem nug, kuv tuaj yeem siv ua tais zaub mov li cas?
Ua petri daim hlau , koj yuav xav tau cov ntim pov tseg (saib hauv qab), nqaij nyuj bouillon cubes lossis granules, dawb gelatin lossis agar agar*, dej, qab zib thiab Q-tswv yim. (*Agar-agar tau nrhiav tau nrog cov khoom noj Asian hauv qee lub khw muag khoom noj.)
Ib qho ntxiv, koj puas tuaj yeem siv gelatin hloov agar kom loj hlob cov kab mob? Agar tsuas yog cog raws tsob ntoo gelatin . Koj ua tau yuav nws los ntawm cov khw muag khoom science, lossis koj siv tau tus neeg hloov chaw. Gelatin ib leeg yuav tsis ua khoom noj los txhawb kab mob kev loj hlob, yog li koj yuav tsum tau ntxiv qee yam ntawm cov khoom noj muaj txiaj ntsig zoo rau agar zib ntab thaum cua sov. Kuv yuav hais kom ntxiv nqaij nyuj bouillon lub voos xwmfab.
Qhov thib ob, koj puas tuaj yeem ua koj tus kheej agar?
Ua ke cov gelatin, bouillon, qab zib thiab dej hauv a lauj kaub thiab coj mus rau a rhaub, nplawm tas li. Cia kom txias me ntsis. Ncuav rau hauv Petri tais diav (kom tsis muaj menyuam cov tais diav los ntawm kev rhaub kom zoo tshaj plaws cov txiaj ntsig kev tshawb fawb) thiab qhov chaw cov hau sab saum toj. Qhov chaw nyob hauv a tub yees kom txias tag (li 30 feeb).
Agar ua los ntawm dab tsi?
g? ːr/lossis/ˈ? ?g? r/) lossis agar - agar yog cov khoom zoo li jelly, tau los ntawm cov algae liab. Agar yog kev sib xyaw ntawm ob yam: cov kab polysaccharide agarose, thiab sib xyaw sib xyaw ntawm cov qauv me me hu ua agaropectin.
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Vim li cas thiaj yuav tsum petri cov tais diav uas muaj cov xov xwm hloov pauv?
Petri tais (phaj) nrog "khoom" kab lis kev cai kev coj noj coj ua tau khaws cia rau hauv qhov chaw ntxeev (upside down) thaum tsim kom cov xau hws yuav tsis poob rau ntawm agar nto (xws li cov tee dej yog cov peev txheej muaj peev xwm kis tau)
Dab tsi tuaj yeem siv los ntxuav cov tais diav noj?
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