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Inkqubo yokugquma emanzini njengentsimi ebalulekileyo yesicelo kushishino lwe-cellulose ether, kubekho ukunqongophala kwe-cellulose ether yasekhaya ebalaseleyo ukuhlangabezana neemfuno ezikhulayo zemarike, kunye nobhubhane kunye notshintsho kwimeko yamazwe ngamazwe, uthotho lobonelelo lwe-cellulose ether nalo luye lwaba lukhulu ...Funda ngokugqithisileyo»
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Indima yomgubo we-latex ophinda uqhekeke kwi-mortar Okwangoku, njengoko iimveliso ezahlukeneyo zomgubo owomileyo ezikhethekileyo zamkelwe kancinci kancinci kwaye zisetyenziswa ngokubanzi, abantu abakwishishini banikela ingqalelo kwi-latex powder ephinda iqhekeke njengenye yezongezo eziphambili ze-mortar ekhethekileyo yomgubo owomileyo, ngoko ke iimpawu ezahlukeneyo ...Funda ngokugqithisileyo»
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Indlela yokwenza i-hydroxyethyl cellulose ibe nkulu kukwandisa i-viscosity ngokwenziwa kweebhondi ze-hydrogen eziphakathi kweemolekyuli kunye nezangaphakathi kweemolekyuli, kunye nokufuthwa kwamanzi kunye nokuxinana kweetsheyini zeemolekyuli. Ke ngoko, indlela yokwenza i-hydroxyethyl cellulose ibe nkulu ingahlulwa...Funda ngokugqithisileyo»
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Uhlalutyo lwezizathu zokuqhekeka kokuplasta umaleko wegypsum 1. Uhlalutyo lwezizathu zokuplasta izinto ezikrwada zegypsum a) Iplasta yokwakha engafanelekanga I-gypsum yokwakha iqulethe umxholo ophezulu we-dihydrate gypsum, nto leyo ekhokelela ekukhawulezisweni kokuplasta igypsum. Ukuze kwenziwe iplasta igypsum ibe nepro...Funda ngokugqithisileyo»
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I-HPMC hydroxypropyl methylcellulose iye yaba yenye yezona zinto zinkulu ezincedayo kumayeza ekhaya nakwamanye amazwe, kuba i-HPMC ineenzuzo ezingenazo ezinye izinto ezincedayo. 1. Ukunyibilika kwamanzi Iyanyibilika emanzini abandayo angaphantsi kwama-40 ℃ okanye ama-70% e-ethanol, kwaye ayinyibiliki emanzini ashushu ngaphezulu...Funda ngokugqithisileyo»
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1. Yintoni eyona nto isetyenziswa kakhulu yi-cellulose? I-HPMC isetyenziswa kakhulu kwizixhobo zokwakha, kwiingubo, kwii-resin zokwenziwa, kwiiseramikhi, kumayeza, ekutyeni, kwimpahla, kwezolimo, kwizinto zokuthambisa, kwicuba nakwamanye amashishini. I-HPMC inokwahlulwa ibe ziinqanaba lemizi-mveliso, izinga lokutya kunye nenqanaba leyeza ngokwe...Funda ngokugqithisileyo»
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I-Cellulose ether yi-cellulose yendalo (umqhaphu ocociweyo kunye ne-pulp yomthi, njl.njl.) njengoko izinto eziluhlaza, emva kokufakelwa kwe-ether kwiindidi ezahlukeneyo ze-derivatives, yi-cellulose macromolecule hydroxyl hydrogen yi-ether group ngokuyinxenye okanye ngokupheleleyo emva kokwenziwa kweemveliso, yi-downstream derivat...Funda ngokugqithisileyo»
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Izincamathelisi zendalo zizinto ezinamathelayo ezisetyenziswa kakhulu ebomini bethu. Ngokwemithombo eyahlukeneyo, zinokwahlulwa zibe yiglu yezilwanyana, iglu yemifuno kunye neglu yeminerali. Iglu yezilwanyana ibandakanya iglu yesikhumba, iglu yethambo, ishellac, iglu yecasein, iglu yealbumin, iglu yebladder yentlanzi, njl.njl.; iglu yemifuno ibandakanya istatshi, ...Funda ngokugqithisileyo»
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Eli nqaku likwimo yemibuzo neempendulo zomfundi malunga nolwazi olunxulumene ne-hydroxypropyl methyl cellulose ether, ukuze ube nokuqonda okunzulu kwe-HPMC ngexesha elifutshane, ukuze ukhethe ngcono kwaye usebenzise olu hlobo lweemveliso kwimveliso yokwenyani. 1, yintoni eyona nto iphambili o...Funda ngokugqithisileyo»
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Izinto ezincedisayo kwiyeza zizinto ezincedayo kwimveliso yamayeza kunye nokwenza amayeza, kwaye ziyinxalenye ebalulekileyo yokulungiselela amayeza. Njengezinto zendalo ezithathwe kwi-polymer, i-cellulose ether ineempawu zokubola kwezinto eziphilayo, ukungabi natyhefu, kunye...Funda ngokugqithisileyo»
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Ingaba i-hydroxyethylcellulose inamathela? I-Hydroxyethylcellulose (HEC) yi-polymer esetyenziswa kakhulu kumashishini ahlukeneyo, kuquka amayeza, izinto zokuthambisa, kunye nokutya. Iimpawu zayo zinokwahluka ngokuxhomekeke kwizinto ezifana noxinzelelo, ubunzima beemolekyuli, kunye nokuba khona kwezinye izithako. Ngelixa i-HEC...Funda ngokugqithisileyo»
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Loluphi uhlobo lwesithambisi esisetyenziswa kwipeyinti? Isithambisi esisetyenziswa kwipeyinti sidla ngokuba yinto eyonyusa ubungqindilili okanye ubukhulu bepeyinti ngaphandle kokuchaphazela ezinye iimpawu zayo ezifana nombala okanye ixesha lokomisa. Enye yezona ntlobo zixhaphakileyo zesithambisi esisetyenziswa kwipeyinti sisilungisi serheology....Funda ngokugqithisileyo»