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Cellulose ether hpmc ine basa rekuchengetedza mvura uye kukora mumota yesimende nemota yakagadzirwa negypsum, izvo zvinogona kuvandudza kunamira uye kuramba kwakamira kwezvinhu zvemota. Zvinhu zvakaita sekupisa kwegesi, tembiricha uye mwero wekumanikidzwa kwemhepo zvine mhedzisiro yakaipa pa...Verenga zvakawanda»
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Cellulose yekuvaka chinhu chinoshandiswa zvakanyanya mukugadzira kuvaka. Cellulose yekuvaka inonyanya kushandiswa mudhaka reupfu hwakaoma. Kuwedzera cellulose ether kwakaderera zvikuru, asi kunogona kuvandudza mashandiro edhaka rakanyorova uye kukanganisa kuvaka kwedhaka. Kushanda...Verenga zvakawanda»
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Parizvino, mhando yehydroxypropyl methylcellulose yemumba inosiyana zvikuru, uye mutengo unosiyana zvikuru, zvichiita kuti zviomere vatengi kuita sarudzo chaiyo. HPMC yakagadziriswa yekambani imwe chete yekune dzimwe nyika imhedzisiro yemakore mazhinji ekutsvagisa. Kuwedzerwa kwezvinhu zvidiki zvinogona...Verenga zvakawanda»
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Kusanganiswa kwakadzika, uko kunoita basa guru mukuvandudza mashandiro ekuvaka dhaka rakasanganiswa nemvura, kunodarika 40% yemari yezvinhu zvinoshandiswa mudhaka rakasanganiswa nemvura. Zvizhinji zvezvisanganiswa zviri mumusika wemuno zvinopihwa nevagadziri vekunze, uye chiyero chezvigadzirwa...Verenga zvakawanda»
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Huwandu hweHPMC hunoshandiswa mukushanda hunoenderana nemamiriro ekunze, tembiricha, mhando yeupfu hwecalcium yemuno, fomura yeupfu hweputty uye "mhando inodiwa nevatengi". Kazhinji, huri pakati pe4 kg ne5 kg. Semuenzaniso: hupfu hwakawanda hweputty muB...Verenga zvakawanda»
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Imwe yemisiyano mikuru pakati pedhaka rakasanganiswa nemvura nedhaka rechinyakare ndeyekuti dhaka rakasanganiswa nemvura rinogadziriswa nemakemikari mashoma. Kuwedzera chimwe chinhu chinowedzerwa mudhaka rakasanganiswa nemvura kunonzi primary modry powder modry ...ification, kuwedzera zvinhu zviviri kana kupfuura kunonzi secondary modry modry modry modry modry modry modry modry modry modification...Verenga zvakawanda»
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Gypsum yekubvisa sarufa igesi inoburitswa nekupiswa kwemafuta ane sarufa (marasha, peturu), marara akaoma emaindasitiri anogadzirwa panguva yekucheneswa kwekubvisa sarufa, uye gypsum ye hemihydrate (makemikari fomura CaSO4· 0.5H2O), mashandiro acho akafanana neaya e na...Verenga zvakawanda»
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Hydroxypropyl methylcellulose (HPMC) inonyanya kuita basa rekuchengetedza mvura, kukora uye kuvandudza mashandiro ekuvaka mu simende, gypsum nezvimwe zvinhu zveupfu. Kushanda zvakanaka kwekuchengetedza mvura kunogona kudzivirira hupfu kuti husaome uye husatsemuke nekuda kwemvura yakawanda...Verenga zvakawanda»
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Mumakore achangopfuura, nekuvandudzwa kuri kuramba kuchiitwa tekinoroji yekudzivirira madziro ekunze, kufambira mberi kuri kuramba kuchiitwa tekinoroji yekugadzira cellulose, uye hunhu hwakanaka hweHPMC pachayo, HPMC yave ichishandiswa zvakanyanya muindasitiri yekuvaka. Kuti tiongorore zvakanyanya mashandiro ayo ...Verenga zvakawanda»
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Zita rekuti HPMC muchiChinese nderekuti hydroxypropyl methylcellulose. Haina ionic uye inowanzoshandiswa sechinhu chinochengetedza mvura mudhaka rakaoma rakasanganiswa. Ndiyo inonyanya kushandiswa kuchengetedza mvura mudhaka. Maitiro ekugadzira HPMC chigadzirwa che ether chakagadzirwa ne polysaccharide chinogadzirwa ne...Verenga zvakawanda»
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1. Matambudziko anowanzoitika muupfu hweputty Kuomesa nekukurumidza kunonyanya kukonzerwa nehuwandu hweupfu hwecalcium hwedota hwakaiswa (hwakanyanya kukura, huwandu hweupfu hwecalcium hwedota hunoshandiswa mufomura yeputty hunogona kuderedzwa zvakakodzera) hune chekuita nehuwandu hwekuchengetedza mvura hwefiber, uye hune chekuitawo nekuoma kwe...Verenga zvakawanda»
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Mumortar yakasanganiswa, chero bedzi cellulose ether diki ichigona kuvandudza mashandiro emortar yakanyorova, zvinogona kuonekwa kuti cellulose ether chinhu chikuru chinokanganisa mashandiro emortar. Kusarudzwa kwemhando dzakasiyana, viscosities dzakasiyana, pa...Verenga zvakawanda»