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Kev txiav txim siab ntawm cov roj ntsha ua rau cov mis roj hmab misidified los ntawm cmb carboxymethyl cellulose los txhim kho lawv cov kev ntxhib los mos, qhov ncauj, thiab kev ruaj khov. Qhov kev txiav txim mechanism ntawm cmc hauv stabilizing acidified mis haus cawv mis nyuj haus cuam tshuam nrog ntau yam khoom tseem ceeb ...Nyeem ntxiv»
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Yuav ua li cas xaiv cov cellulose neeg ua haujlwm? Xaiv lub cellulose txoj cai ether nyob ntawm ntau yam, suav nrog rau cov ntawv thov tshwj xeeb, thiab cov kev xav tau. Nov yog qee qhov kev txiav txim siab tseem ceeb los pab koj xaiv cov cellulose tsim nyog EThere: Daim ntawv thov: xav txog qhov ...Nyeem ntxiv»
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Dab tsi yog cellulosed cellulose cov neeg ua haujlwm cellulose yog tsev neeg muaj tshuaj sib xyaw los ntawm cellulose, lub ntuj polymer pom nyob hauv cov phab ntsa ntawm tes ntawm cov nroj tsuag. Cov derivatives yog tsim los ntawm kev hloov kho tshuaj ntawm cellulose molecules los qhia ntau pawg ua haujlwm, ua rau dav ...Nyeem ntxiv»
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Dab tsi yog cov ntau yam ntawm cellulose ether? Cov kws qhia txog cellulose yog muaj ntau pab pawg polymers tau muab los ntawm cellulose, lub ntuj polysaccharide pom hauv cov nroj tsuag. Lawv tau siv dav hauv ntau yam kev lag luam, suav nrog kev tsim kho, chaw muag tshuaj, khoom noj, tshuaj pleev ib ce, thiab kev saib xyuas tus kheej, vim lawv tsis muaj tseeb ...Nyeem ntxiv»
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Dab tsi yog qhov cuam tshuam rau cov dej khaws cia ntawm cellulose ether? Cellulose muaj kev hais ua neeg muaj kev pab, xws li methyl cellulose (MC) thiab hydrothethyl cellulose (HEC), yog cov neeg ua haujlwm hauv cov chaw tsim khoom noj thiab pob zeb gypsum. Dej cia siv o ...Nyeem ntxiv»
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Dab tsi ntau yam yog dej-txo cov neeg sawv cev thiab lawv tus yam ntxwv yog dab tsi? Dej-txo cov neeg sawv cev, tseem hu ua cov tshuaj yas lossis cov tshuaj ntsuab siv rau hauv cov pob zeb ua kom zoo dua qub, thiab txhim kho kev ua haujlwm ntawm materi ...Nyeem ntxiv»
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Yuav ua li cas siv txiv qaub hauv kev ua haujlwm ua haujlwm? Txiv qaub tau siv nyob rau hauv kev tsim kho ntau pua xyoo thiab tseem muaj cov khoom muaj txiaj ntsig rau ntau daim ntawv thov, tshwj xeeb hauv Masonry ua haujlwm thiab plastering. Ntawm no yog li cas kua qaub tuaj yeem siv tau rau hauv kev tsim kho: kua txiv ntoo sib xyaw ua ke: txiv qaub yog siv ntau siv los ua phau ntawv hauv m ...Nyeem ntxiv»
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Dab tsi yog cov khoom ntawm lub tsev gypsum? Lub tsev gypsum, feem ntau hu ua plaster ntawm Paris, yog ib qho khoom siv ntau yam xws li plastering phab ntsa thiab qab ntos, thiab ua cov pwm thiab ua cov pwm thiab ua cov pwm thiab ua kom cov pwm thiab ua cov duab thiab cov ntaub qhwv. Nov yog qee qhov tseem ceeb t ...Nyeem ntxiv»
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Dab tsi yog qhov cuam tshuam ntawm cov txiv qaub ntawm lub tshuaj txhaj ua haujlwm? Txiv qaub yog ib txwm ua ntawm cug thiab tau siv hauv kev tsim kho ntau pua xyoo. Nws tuaj yeem muaj ntau yam cuam tshuam ntawm kev tshuaj khib kev tshuaj khib, ob qho tib si hauv cov nqe lus ntawm kev ua haujlwm thaum lub sij hawm kev tsim kho thiab lub sijhawm ntev divability ntawm ma ...Nyeem ntxiv»
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Dab tsi yog cov khoom ntawm Masonry Maas? Masonry Maas yog hom tshwj xeeb ntawm cov kev hloov pauv uas siv rau ntau yam kev siv masonry kev kho tshiab, xws li ci ntsa iab, blockwork, thiab stonework. Nws yog qhia tshwj xeeb los muab cov nyiaj tsim nyog ua kom muaj zog, durability, thiab kev ua haujlwm yuav tsum tau ua ...Nyeem ntxiv»
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Yuav ua li cas xaiv cov xuab zeb siv rau lub tshuab cug? Xaiv lub xuab zeb yog rau lub cap cug yog qhov tseem ceeb rau cov txheej txheem kev ncaj ncees thiab kev ua kom zoo nkauj ntawm koj txoj haujlwm tsim kho. Ntawm no yog phau ntawv qhia pab koj xaiv cov xuab zeb uas tsim nyog: particle loj: cov xuab zeb me me yuav tsum yog ntawm uni ...Nyeem ntxiv»
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Cov xwm txheej dab tsi yuav tsum tau txiav txim siab nyob rau hauv kev xaiv ntawm aggregates siv rau cug cug? Kev xaiv ntawm aggregates rau cap cug yog qhov tseem ceeb heev thaum nws cuam tshuam rau cov khoom thiab kev ua tau zoo ntawm lub tshuaj khib. Ntau ntau yam yuav tsum tau txiav txim siab thaum xaiv cov khoom siv: particle ...Nyeem ntxiv»