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Hpmc ya ether ya selulosi ifite akazi ko kubika amazi no kuyagwingira muri sima na gypsum, ibi bikaba bishobora kunoza uburyo ibikoresho bya sima bifatana n'ubudahangarwa buhagaze. Ibintu nk'ubushyuhe bwa gaze, ubushyuhe n'umuvuduko w'umwuka bigira ingaruka mbi ku...Soma byinshi»
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Selulosi yo kubaka ni inyongeramusaruro ikoreshwa cyane cyane mu gukora ubwubatsi. Selulosi yo kubaka ikoreshwa cyane cyane mu ifu yumye. Kongeramo eteri ya selulosi ni bike cyane, ariko bishobora kunoza cyane imikorere ya selulosi itose kandi bikagira ingaruka ku bwubatsi bwa selulosi. Ingufu...Soma byinshi»
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Muri iki gihe, ubwiza bwa hydroxypropyl methylcellulose yo mu rugo buratandukanye cyane, kandi igiciro kiratandukanye cyane, bigatuma abakiriya bigorana guhitamo neza. HPMC yahinduwe y'ikigo kimwe cy'abanyamahanga ni umusaruro w'ubushakashatsi bw'imyaka myinshi. Kongeramo ibintu bishobora gutuma...Soma byinshi»
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Uruvange rugufi, rugira uruhare runini mu kunoza imikorere yo kubaka sima ivanze n'umuvuduko, rutanga amafaranga arenga 40% by'ikiguzi cy'ibikoresho mu sima ivanze n'umuvuduko. Uruvange rwinshi ku isoko ry'imbere mu gihugu rutangwa n'inganda zo mu mahanga, kandi ingano y'ibicuruzwa...Soma byinshi»
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Ingano ya HPMC ikoreshwa mu bikorwa iratandukanye bitewe n'ikirere, ubushyuhe, ubwiza bw'ifu ya kalisiyumu y'ivu yo mu gace runaka, formula y'ifu ya putty n' "ubwiza busabwa n'abakiriya". Muri rusange, ni hagati ya kg 4 na kg 5. Urugero: ifu nyinshi ya putty muri B...Soma byinshi»
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Itandukaniro rinini riri hagati y’uruvange rw’imyanda rwumye n’uruvange rusanzwe ni uko uruvange rw’imyanda rwumye ruhindurwa hakoreshejwe inyongera nke z’imiti. Kongeramo inyongera imwe muri uruvange rw’imyanda rwumye byitwa ivugurura ry’ibanze, kongeramo inyongera ebyiri cyangwa nyinshi byitwa ivugurura ry’inyongera...Soma byinshi»
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Gypsum yo gutwika lisansi ni imyuka ikomoka ku gutwika ibicanwa birimo sulfur (amakara, peteroli), imyanda ikomeye yo mu nganda ikorwa mu gihe cyo gusukura lisansi, na gypsum yo mu bwoko bwa hemihydrate (formula ya chimique CaSO4· 0.5H2O), imikorere yayo igereranywa n'iya na...Soma byinshi»
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Hydroxypropyl methylcellulose (HPMC) ahanini igira uruhare mu kubika amazi, gukurura no kunoza imikorere y'ubwubatsi muri sima, gypsum n'ibindi bikoresho by'ifu. Imikorere myiza yo kubika amazi ishobora gukumira ifu kuma no kwangirika bitewe n'amazi menshi ...Soma byinshi»
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Mu myaka ya vuba aha, hamwe n'iterambere rihoraho ry'ikoranabuhanga ryo gukingira inkuta zo hanze, iterambere rihoraho ry'ikoranabuhanga ryo gukora selulose, hamwe n'imiterere myiza ya HPMC ubwayo, HPMC yakoreshejwe cyane mu nganda z'ubwubatsi. Kugira ngo harusheho gucukumburwa uburyo ...Soma byinshi»
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Izina ry'Igishinwa rya HPMC ni hydroxypropyl methylcellulose. Ntabwo ari ionic kandi ikunze gukoreshwa nk'ikintu kibika amazi mu gikoresho cyumye kivanze. Ni cyo gikoresho kibika amazi gikoreshwa cyane mu gikoresho. Uburyo bwo gukora HPMC ahanini ni ikintu cya ether gishingiye kuri polysaccharide gikorwa na...Soma byinshi»
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1. Ibibazo bikunze kugaragara mu ifu ya putty Kuma vuba biterwa ahanini n'ingano y'ifu ya kalisiyumu y'ivu yongewemo (ni nini cyane, ingano y'ifu ya kalisiyumu y'ivu ikoreshwa muri putty ishobora kugabanuka neza) bifitanye isano n'igipimo cyo kubika amazi muri fibre, kandi bifitanye isano no kuma k'...Soma byinshi»
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Mu ibumba ryateguwe kuvanga, igihe cyose eteri nto ya selulosi ishobora kunoza cyane imikorere ya sibumba ritose, bigaragara ko eteri ya selulosi ari inyongeramusaruro nyamukuru igira ingaruka ku mikorere y'ibumba. Guhitamo ubwoko butandukanye, ubunini butandukanye,...Soma byinshi»