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Cellulose ether ndi polima yopangidwa kuchokera ku cellulose yachilengedwe kudzera mu kusintha kwa mankhwala. Cellulose ether ndi yochokera ku cellulose yachilengedwe. Kupanga kwa cellulose ether ndi kosiyana ndi ma polima opangidwa. Zinthu zake zofunika kwambiri ndi cellulose, mankhwala achilengedwe a polima. Chifukwa cha ...Werengani zambiri»
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Mu matope ouma, cellulose ether ndi chowonjezera chachikulu chomwe chingathandize kwambiri ntchito ya matope onyowa ndikukhudza ntchito yomanga matope. Methyl cellulose ether imagwira ntchito yosunga madzi, kukhuthala, komanso kukonza magwiridwe antchito omanga. Kusunga bwino madzi...Werengani zambiri»
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M'zaka zaposachedwa, ndi kukhazikitsidwa pang'onopang'ono kwa mfundo zoyenera zotsatirira lingaliro la chitukuko cha sayansi ndikumanga gulu lopulumutsa chuma, matope omangira a dziko langa akukumana ndi kusintha kuchokera ku matope achikhalidwe kupita ku matope osakanikirana, ndipo matope omangira osakanikirana...Werengani zambiri»
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Mtondo wouma ndi matope osakaniza ouma a polima kapena matope ouma opangidwa kale. Ndi mtundu wa simenti ndi gypsum ngati maziko akuluakulu. Malinga ndi zofunikira zosiyanasiyana za zomangamanga, zomangira ufa wouma ndi zowonjezera zimawonjezedwa muyeso winawake. Ndi matope omangira...Werengani zambiri»
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Kukhuthala ndi chinthu chofunikira kwambiri pakugwira ntchito kwa etha ya cellulose. Kawirikawiri, kukhuthala kwakukulu, mphamvu yosungira madzi ya gypsum mortar imakhala yabwino. Komabe, kukhuthala kwakukulu, kulemera kwa maselo a etha ya cellulose kumakhala kwakukulu, komanso kuchepa kofanana kwa...Werengani zambiri»
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1. Ma ether a cellulose (MC, HPMC, HEC) MC, HPMC, ndi HEC amagwiritsidwa ntchito kwambiri mu putty yomanga, utoto, matope ndi zinthu zina, makamaka posunga madzi ndi mafuta. Ndi abwino. Njira yowunikira ndi kuzindikira: Yesani magalamu 3 a MC kapena HPMC kapena HEC, ikani mu 300 ml ya madzi ndikusakaniza...Werengani zambiri»
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Mu matope osakaniza bwino, kuchuluka kwa ether ya cellulose kumakhala kochepa kwambiri, koma kumatha kusintha kwambiri magwiridwe antchito a matope onyowa, ndipo ndi chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope. Kusankha koyenera kwa ether ya cellulose yamitundu yosiyanasiyana, vis...Werengani zambiri»
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Cellulose ether ndi polima yopanda ionic semi-synthetic, yomwe imasungunuka m'madzi komanso imasungunuka ndi zosungunulira. Ili ndi zotsatira zosiyanasiyana m'mafakitale osiyanasiyana. Mwachitsanzo, mu zipangizo zomangira mankhwala, ili ndi zotsatira zotsatirazi: ①Chosungira madzi, ②Chokhuthala, ③Chinthu cholemeretsa, ④Filimu...Werengani zambiri»
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Pakadali pano, matope ambiri opangidwa ndi miyala ndi pulasitala ali ndi mphamvu yocheperako yosunga madzi, ndipo matope amadzi amalekanitsidwa patatha mphindi zochepa atayima. Chifukwa chake ndikofunikira kwambiri kuwonjezera kuchuluka koyenera kwa ether ya cellulose ku matope a simenti. 1. Kusunga madzi kwa ether ya cellulose Madzi...Werengani zambiri»
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Mtondo wodzisankhira umatha kudalira kulemera kwake kuti upange maziko athyathyathya, osalala komanso olimba pa maziko oyika kapena kulumikiza zipangizo zina, ndipo nthawi yomweyo umatha kugwira ntchito yomanga yayikulu komanso yothandiza. Chifukwa chake, kusinthasintha kwakukulu ndi gawo lofunika kwambiri pakudzisankhira...Werengani zambiri»
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Gypsum yochotsa sulfurization ndi gypsum yopangidwa ndi mafakitale yomwe imapezeka pochotsa sulfur ndikuyeretsa mpweya wotuluka womwe umapangidwa pambuyo poyatsa mafuta okhala ndi sulfure kudzera mu slurry ya laimu kapena limestone powder. Kapangidwe kake ka mankhwala ndi kofanana ndi ka gypsum yachilengedwe ya dihydrate, makamaka CaS...Werengani zambiri»
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Kugawa kwa Cellulose Ether Cellulose ether ndi mawu wamba otanthauza zinthu zingapo zopangidwa ndi momwe alkali cellulose imagwirira ntchito komanso momwe imagwirira ntchito pansi pa mikhalidwe ina. Pamene alkali cellulose ikalowedwa m'malo ndi zinthu zosiyanasiyana zothira, ma cellulose ether osiyanasiyana adzapezeka. Ac...Werengani zambiri»