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Ubungakanani be-HPMC obusetyenziswayo kwiindlela ezisebenzayo buyahluka ngokuxhomekeke kwimozulu, ubushushu, umgangatho womgubo we-calcium womlotha wasekuhlaleni, ifomula yomgubo we-putty kunye "nomgangatho ofunekayo kubathengi". Ngokubanzi, buphakathi kwe-4 kg kunye ne-5 kg. Umzekelo: uninzi lomgubo we-putty kwi-B...Funda ngokugqithisileyo»
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Omnye womahluko omkhulu phakathi kodaka oluxutywe nodaka lwendabuko kukuba udaka oluxutywe nodaka luguqulwa ngobuninzi bezongezo zamakhemikhali. Ukongeza isongezo esinye kudaka oluxutywe nodaka kubizwa ngokuba yi-primary modifier, ukongeza izongezo ezimbini okanye ngaphezulu kubizwa ngokuba yi-secondary modifier...Funda ngokugqithisileyo»
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I-desulfurization gypsum yigesi yeflue eveliswa kukutshiswa kwamafutha aqulethe isalfure (amalahle, ipetroliyam), inkunkuma eqinileyo yemizi-mveliso eveliswa ngexesha lenkqubo yokucoca i-desulfurization, kunye ne-hemihydrate gypsum (ifomyula yekhemikhali i-CaSO4· 0.5H2O), ukusebenza kwayo kuyafana noko...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose (HPMC) idlala indima yokugcina amanzi, ukuqina kunye nokuphucula ukusebenza kolwakhiwo kwisamente, i-gypsum kunye nezinye izinto zepowder. Ukusebenza kakuhle kokugcina amanzi kunokuthintela ngempumelelo umgubo ukuba wome kwaye uqhekeke ngenxa yamanzi amaninzi...Funda ngokugqithisileyo»
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Kwiminyaka yakutshanje, ngophuhliso oluqhubekayo lwetekhnoloji yokukhusela udonga lwangaphandle, inkqubela eqhubekayo yetekhnoloji yokuvelisa i-cellulose, kunye neempawu ezintle ze-HPMC ngokwayo, i-HPMC isetyenziswa kakhulu kwishishini lokwakha. Ukuze kuhlolwe ngakumbi indlela yokusebenza ...Funda ngokugqithisileyo»
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Igama lesiTshayina le-HPMC yi-hydroxypropyl methylcellulose. Ayisiyo-ionic kwaye idla ngokusetyenziswa njenge-arhente yokugcina amanzi kwi-mortar exutywe nomileyo. Yeyona nto isetyenziswa kakhulu yokugcina amanzi kwi-mortar. Inkqubo yokuvelisa i-HPMC ikakhulu yimveliso ye-ether esekelwe kwi-polysaccharide eyenziwe yi...Funda ngokugqithisileyo»
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1. Iingxaki eziqhelekileyo kwi-putty powder Ukomisa ngokukhawuleza kubangelwa kakhulu bubungakanani bomgubo we-calcium womlotha ongezelelweyo (ubukhulu kakhulu, ubungakanani bomgubo we-calcium womlotha osetyenziswa kwi-putty formula bunokunciphisa ngokufanelekileyo) bunxulumene nesantya sokugcina amanzi kwi-fiber, kwaye bunxulumene nokoma...Funda ngokugqithisileyo»
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Kwi-mortar exutyiweyo esele ilungisiwe, logama nje i-cellulose ether encinci inokuphucula kakhulu ukusebenza kwe-mortar emanzi, kunokubonwa ukuba i-cellulose ether sisongezelelo esiphambili esichaphazela ukusebenza kolwakhiwo lwe-mortar. Ukukhethwa kweentlobo ezahlukeneyo, ubunzulu obahlukeneyo, ii-pa...Funda ngokugqithisileyo»
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Eyona nto ibalulekileyo kwi-cellulose ether kukugcinwa kwamanzi kwizinto zokwakha. Ngaphandle kokongezwa kwe-cellulose ether, umaleko omncinci we-mortar entsha uyoma ngokukhawuleza kangangokuba isamente ayinakukwazi ukufuma ngendlela eqhelekileyo kwaye i-mortar ayinakuqina kwaye ifikelele ekuhlanganeni okuhle. Kwi...Funda ngokugqithisileyo»
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Iimveliso zeevithamini zonke zivela kwi-pulp yekotoni yendalo okanye kwi-pulp yomthi, eveliswa nge-etherification. Iimveliso ezahlukeneyo ze-cellulose zisebenzisa ii-agents ezahlukeneyo ze-etherifying. I-arhente ye-etherifying esetyenziswa kwi-hydroxyethyl cellulose (HEC) yi-ethylene oxide, kwaye i-arhente ye-etherifying esetyenziswa kwi-hydroxy...Funda ngokugqithisileyo»
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Ukusetyenziswa kwe-hydroxypropyl methylcellulose kwi-mortar yokwakha iplastering mortar Ukugcinwa kwamanzi amaninzi kunokwenza isamente ibe namanzi aneleyo, kunyuse kakhulu amandla e-bond, kwaye kwangaxeshanye, kunokunyusa ngokufanelekileyo amandla okutyhafa kunye namandla okucheba, kuphucule kakhulu...Funda ngokugqithisileyo»
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A. Imfuneko yokugcina amanzi Ukugcinwa kwamanzi kwesamente kubhekisa kubuchule besamente bokugcina amanzi. Isamente egcina amanzi kancinci ithambekele ekuphumeni kwegazi nasekuhlukaneni ngexesha lokuthuthwa nokugcinwa kwayo, oko kukuthi, amanzi ayadada phezulu, aze isanti nesamente zitshone ngezantsi. Kufuneka...Funda ngokugqithisileyo»