2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Peb mam li sau peb cov ntaub ntawv thiab muab tso rau hauv daim ntawv. Dej yog nyob deb ntawm qhov nrawm tshaj plaws ntawm cov khoom qab zib kom tiav hauv3.5 vib nas this. … Cov khoom siv roj tsis yaj cov khoom qab zib vim cov roj tsis nyiam cov piam thaj molecules uas txhais tau tias lawv tsis tuaj yeem yaj.
Puas khoom qab zib yaj yaj?
Paj Rwb khoom qab zib yuav yaj thaum qhib huab cuathiab yuav tsum tsis txhob tso tawm ntau tshaj kaum mus rau nees nkaum feeb. Cov av noo nyob rau hauv cov huab cua yuav pib yaj paj rwb khoom qab zib tam sim ntawd, qhov siab dua cov av noo, cov txheej txheem no yuav pib sai dua.
Cov khoom qab zib paj rwb puas yaj hauv dej?
Vim li cas paj rwb cov khoom qab zib yaj hauv dej? Cov khoom qab zib paj rwb feem ntau yog ua los ntawm qab zib, txoj cai? Zoo, qab zib yog ib qho khoom siv molecular - lub ntsiab lus ntawm ib tus neeg molecules raug khi ua ke los ntawm cov tsis muaj zog intermolecular rog. Qab Zib dissolves hauv dej vim tias cov nyiaj tsis muaj zog ntawm tus neeg sucrose molecules tawg.
Yuav ua li cas thaum koj muab cov khoom qab zib tso rau hauv dej?
Vim qab zib yog hygroscopic (dej-hlub), nws yooj yim absorbs dej vapor los ntawm cov av ib puag ncig; los yog ib zaug nws tawm ntawm nws lub ntim ntim. Cov khoom qab zib paj rwb ces 'dissolves' nyob rau hauv qhov loj ntawm cov dej sau, poob nws qhov kev ntxhib los mos hauv cov txheej txheem.
khoom qab zib paj rwb ua dab tsi hauv dej?
Yog koj muab dej nrog paj rwb khoom qab zib tam sim ntawd dissolves, thiab koj pom tau tias nws tsis yog tab sis ib tablespoon los yog ob ntawmqab zib sau tag nrho lub hnab. Nws zoo heev npaum li cas koj tuaj yeem them cov piam thaj, cua thiab xim me ntsis!
Pom zoo:
Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?
Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).
Qhov twg hauv qab no txiav txim siab txog cov luag haujlwm ntawm cov neeg muag khoom / tus nqi qis thiab cov neeg yuav khoom / tus neeg xauj tsev?
Cov luag haujlwm ntawm cov neeg muag khoom / tus neeg xauj tsev thiab cov neeg yuav khoom / tus neeg xauj tsev yog txiav txim siab los ntawm (1) nqe lus uas ob tog tau teev tseg hauv kev cog lus, (2) kev cai, thiab (3) cov cai teev tseg los ntawm Uniform Commercial Code (UCC).
Dab tsi yog cov khoom siv hauv qab dej hauv pas dej mcdonald?
Lake McDonald, lub pas dej Glacier zoo tshaj plaws, tseem muaj chaw nres nkoj ib qho ntawm cov tiaj ua si qhov tsis txaus ntseeg tshaj plaws. Gug nquab tob kom pom lig-19th-xyoo pua relics ntawm Apgar Zos - lub cav thaiv, lub kub Rush-era khau raj, ob lub tsom iav thiab qee yam cuab yeej- nrog rau pawg neeg beguiling ntawm cov nroj tsuag raus 80ft hauv qab saum npoo.
Cov dev puas tuaj yeem muaj cov txiv ntoo qab zib qab zib?
Cov khoom xyaw tseem ceeb ntawm ice cream-milk, cream, thiab qab zib- tsis muaj tshuaj lom rau dev. Muaj ntau lwm cov khoom xyaw, txawm li cas los xij, tuaj yeem ntxiv rau cov dej khov uas tuaj yeem ua rau nws tsis nyab xeeb rau koj tus tsiaj noj.
Koj puas tuaj yeem noj cov ncuav qab zib qab zib?
Brownies uas tsuas yog me ntsis qis lossis ua nrog cov qe pasteurized yuav tsum tau noj zoo. CDC hais tias yog tias koj cov brownies (los yog cov qe qe) tau mus txog qhov kub thiab txias ntawm 160 ° F (71 ° C) lossis kub dua, ces lawv yuav muaj kev nyab xeeb noj.
