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Hydroxypropyl methylcellulose, inozivikanwawo sehypromellose uye cellulose hydroxypropyl methyl ether, inogadzirwa kubva kucellulose yakachena kwazvo uye inonyanya kupiswa mualkaline. Musiyano: hunhu hwakasiyana Hydroxypropyl methylcellulose: fiber chena kana chena...Verenga zvakawanda»
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Chitarisiko cheupfu hwe emulsion chichena, cheyero yakapfava kusvika yero kana amber, chinopenya, chisina hwema husina kunaka, uye hapana tsvina inoonekwa nemaziso. Upfu hwe emulsion hwakapfava, ndipo pahunoita kuti hushande zvakanaka. Upfu hwe emulsion huwedzere kupfava, simba rekudhonza rinoswedera pedyo,...Verenga zvakawanda»
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1. Matambudziko anowanzoitika muupfu hweputty Hunooma nekukurumidza: Chikonzero chikuru ndechekuti huwandu hweupfu hwecalcium hunowedzerwa (hwakanyanya kukura, huwandu hweupfu hwecalcium yeash hunoshandiswa mufomura yeputty hunogona kuderedzwa zvakakodzera) hunoenderana nehuwandu hwemvura inochengetwa mufiber, uye hune chekuitawo nekuoma...Verenga zvakawanda»
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Upfu hwakaoma hwakatevedzana 1. Upfu hweputty hwemukati memadziro% (1) Upfu hweShuangfei 70-80 (hutete 325-400) upfu hwecalcium grey 20-30 upfu hwerabha hunenge 0.5 (2) Upfu hwetalc 10 Upfu hwecalcium yedota 20 Upfu hweShuangfei 60 Simende chena 10 Upfu hwerabha 0.5-1 (3) Simende chena 25-30 (Nhamba 425) upfu hwecalcium yedota 2...Verenga zvakawanda»
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1 Ruzivo rwekutanga Mubvunzo 1 Pane nzira ngani dzekuvaka dzekunamira mataira netiles? Mhinduro: Maitiro ekunamira mataira eceramic anowanzo kamurwa kuita mhando nhatu: nzira yekunamira kumashure, nzira yekunamira pasi (inozivikanwawo senzira yetrowel, nzira yekunamira yakatetepa), uye nzira yekubatanidza...Verenga zvakawanda»
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1 Matambudziko anowanzoitika muupfu hweputty yemadziro: (1) Hunooma nekukurumidza. Izvi zvinokonzerwa nekuti huwandu hweupfu hwecalcium yedota hunowedzerwa (hwakanyanya kukura, huwandu hweupfu hwecalcium yedota hunoshandiswa mufomura yeputty hunogona kuderedzwa zvakakodzera) hune chekuita nehuwandu hwekuchengetedza mvura yefiber, uye hune chekuitawo ne...Verenga zvakawanda»
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Guruu remataira, rinozivikanwawo seguruu remataira eceramic, rinonyanya kushandiswa kunamira zvinhu zvekushongedza zvakaita semarata eceramic, mataira akatarisana, uye mataira epasi. Zvinhu zvikuru zvaro kusimba kwekubatana kwakasimba, kuramba mvura, kuramba kuomeswa nechando, kuramba kukwegura zvakanaka uye kuvaka kuri nyore. I...Verenga zvakawanda»
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Hydroxypropyl methylcellulose HPMC imhando ye non-ionic cellulose mixed ether. Kusiyana ne ionic methyl carboxymethyl cellulose mixed ether, haishande nesimbi dzinorema. Nekuda kwehuwandu hwakasiyana hwe methoxyl uye hydroxypropyl mu hydroxypropyl methylcellulose uye v...Verenga zvakawanda»
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Cellulose ether ipolymer yakagadzirwa kubva kucellulose yechisikigo kuburikidza nekuchinja kwemakemikari. Cellulose ether inobva kucellulose yechisikigo. Kugadzirwa kwecellulose ether kwakasiyana nemapolymer ekugadzira. Chinhu chayo chakakosha icellulose, compound yepolymer yechisikigo. Nekuda kwe ...Verenga zvakawanda»
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Pfupiso: 1. Chinhu chinonyorovesa uye chinoparadzira 2. Chinhu chinobvisa tsvina 3. Chinhu chinokora 4. Zvinhu zvinogadzira firimu 5. Chinhu chinodzivirira ngura, chinodzivirira kuvhuvha uye chinodzivirira algae 6. Zvimwe zvinhu zvinowedzerwa 1 Chinhu chinonyorovesa uye chinoparadzira: Machira emvura anoshandisa mvura sechinhu chinonyungudutsa kana chinoparadzira, uye mvura ine dielectric con...Verenga zvakawanda»
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Chii chinoshandiswa nemushonga wekuchengetedza mvura wakasanganiswa mu gypsum powder material? Mhinduro: plastering gypsum, bonded gypsum, caulking gypsum, gypsum putty nezvimwe zvinhu zvekuvaka zvehupfu. Kuti kuvaka kuve nyore, gypsum retarders dzinowedzerwa panguva yekugadzira kuti dziwedzere ...Verenga zvakawanda»
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1. Chii chinonyanya kushandiswa nehydroxypropyl methylcellulose (HPMC)? HPMC inoshandiswa zvakanyanya muzvinhu zvekuvaka, machira, maresini ekugadzira, zviumbwa zvedongo, mishonga, chikafu, machira, kurima, zvizoro, fodya nedzimwe nzvimbo. HPMC inogona kukamurwa kuita giredhi rekuvaka, giredhi rechikafu uye...Verenga zvakawanda»