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Bitewe n'iterambere rikomeje mu nganda no kunoza ikoranabuhanga, binyuze mu gutangiza no kunoza imashini zitera sima mu mahanga, ikoranabuhanga ryo gutera sima no gusiga sima ryatejwe imbere cyane mu gihugu cyanjye mu myaka ya vuba aha. Sima itera sima ikoreshwa mu ikoranabuhanga ni...Soma byinshi»
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1. Ubwoko bwa hydroxypropyl methylcellulose instant type ni ifu y'umweru cyangwa umuhondo muto, kandi nta mpumuro ifite, nta buryohe ifite kandi ntabwo ari uburozi. Ishobora gushonga mu mazi akonje no mu binyabutabire bivanze n'ibintu bikomoka ku bimera kugira ngo habeho umuti ubonerana kandi utose. Umuti w'amazi ufite ubuso...Soma byinshi»
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Hydroxyethyl cellulose (HEC) ni ikintu cy'umweru cyangwa umuhondo woroshye, kitagira impumuro, kidahumanya cyangwa gifite ifu. Gikozwe mu ipamba mbisi cyangwa mu ruhu rw'amazi rwatunganyijwe rwinjijwe muri soda ya caustic ifite amazi angana na 30%. Nyuma y'igice cy'isaha, kirakurwamo kigakandwa. Kanda kugeza igihe igipimo cy'amazi ya alkaline kigeze kuri 1:2.8, hanyuma...Soma byinshi»
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1. Ni iyihe mirimo y'ifu ya latex ishobora guhindurwa mu gikoresho cyo mu bwoko bwa mortical? Igisubizo: Ifu ya latex ishobora guhindurwa ikorwa nyuma yo gukwirakwira kandi igakora nk'ubukorikori bwa kabiri kugira ngo yongere ubufatanye; colloid irinda inyurwa n'uburyo bwa mortical (ntibizavugwa ko yangiritse nyuma yo guhindurwa. Cyangwa se ...Soma byinshi»
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Sima ivanze n'amazi ni sima, ivanze neza, ivangavanga, amazi n'ibindi bikoresho bitandukanye bigenwa hakurikijwe imikorere. Dukurikije igipimo runaka, nyuma yo gupimwa no kuvangwa mu cyumba cyo kuvanga, ijyanwa aho ikoreshwa n'ikamyo ivangavanga, igashyirwa mu cyuma cyihariye ...Soma byinshi»
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Uruvange rw'ibintu rugira uruhare runini mu kunoza imikorere yo kubaka sima ivanze n'amazi yumye, ariko kongeramo sima ivanze n'amazi yumye bituma ikiguzi cy'ibikoresho by'ibintu by'isima ivanze n'amazi yumye kiri hejuru cyane ugereranyije n'icya sima isanzwe, ibi bikaba birenga 40% by'ikiguzi cy'ibikoresho mu zivanze n'amazi yumye ...Soma byinshi»
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Hydroxypropyl methylcellulose ikorwa muri cellulose y’ipamba nziza cyane binyuze mu buryo bwihariye bwo gupima ibintu mu buryo bwa alkaline, kandi igikorwa cyose kirangira hifashishijwe uburyo bwikora. Ntishobora gushonga muri ether, acetone na ethanol yuzuye, kandi irabyimba ikamera nk'igihu gisobanutse cyangwa gishyushye gato...Soma byinshi»
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Ingano runaka ya hydroxypropyl methylcellulose ether igumana amazi muri mortilage igihe gihagije kugira ngo ikomeze kuzana amazi muri sima no kunoza uburyo iri hagati ya mortilage n'umuyoboro wayo. Ingaruka z'ingano y'uduce n'igihe cyo kuvanga Hydroxypropyl Methyl Cellulose Ether ...Soma byinshi»
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Cellulose ether ni ubwoko bw'ibikoresho bikomoka kuri polymer karemano, bifite imiterere yo gukurura no gukurura. Mu bwoko bwinshi, HPMC ni yo ifite umusaruro mwinshi kandi ikoreshwa cyane, kandi umusaruro wayo uri kwiyongera cyane. Mu myaka ya vuba aha, bitewe n'iterambere rya...Soma byinshi»
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Hydroxypropyl methylcellulose (HPMC) ni ether ya cellulose idafite ionic ikozwe muri cellulose y’ibintu bya polymer karemano binyuze mu buryo butandukanye bwa shimi. Ni ifu yera idafite impumuro, uburyohe kandi idahumanya igenda yiyongera ikagera mu gisubizo cya colloidal gisobanutse cyangwa gishyushye gato mu mazi akonje. Ifite ...Soma byinshi»
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Ifu ifatana ya Gypsum (ifu yumisha vuba) (Resipi ya 1) Igipimo cyo gufunga (kg) Ifu ya latex ishobora kongera gutabwamo 5-5.5 Gypsum retarder 0.5-1 Paris plaster powder (umweru uri hejuru ya 85) 750 Kalisiyumu nyinshi (ifu y'udusimba tubiri) 250 Gufatana gukomeye, igihe cyo gufungura iminota 20-30. Ifu yumye ...Soma byinshi»
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Eteri ya cellulose idafite ionic ni ibikoresho by'ingenzi bya chimique bikenewe n'inganda z'ibikoresho by'ubwubatsi n'inganda zikora irangi. Kuri ubu, bitewe n'ubwiyongere buhoraho bw'agaciro k'umusaruro wose w'inganda z'ubwubatsi zo mu gihugu ndetse no kwaguka guhoraho kw'irangi...Soma byinshi»