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Filimu ya Hydroxypropyl methylcellulose (HPMC) imagwira ntchito bwino kwambiri, koma chifukwa HPMC ndi gel yotentha, kukhuthala kwake pa kutentha kochepa kumakhala kochepa kwambiri, zomwe sizingathandize kuphimba (kapena kuviika) ndi kuumitsa pa kutentha kochepa kuti akonze filimu yodyedwa, zomwe zimapangitsa kuti ntchito yake yokonza ikhale yoipa; mu ...Werengani zambiri»
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Mu kuyesa ndi kupanga mochuluka mapiritsi a nifedipine otulutsidwa nthawi zonse, mapiritsi oletsa kubereka, mapiritsi a stomachicangning, mapiritsi a ferrous fumarate, mapiritsi a buflomedil hydrochloride, ndi zina zotero, timagwiritsa ntchito madzi a hydroxypropyl methylcellulose (HPMC), Hydroxypropyl methylcellulose ndi polyacrylic acid resin...Werengani zambiri»
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Hydroxypropyl methylcellulose (HPMC) imagwiritsidwa ntchito ngati imodzi mwa zinthu zazikulu kwambiri zogwiritsira ntchito mankhwala kunyumba ndi kunja. HPMC ingagwiritsidwe ntchito ngati chinthu chopangira filimu, chomatira, chotulutsira mpweya wokhazikika, choyimitsa mpweya, chosakaniza, chosungunula mpweya, ndi zina zotero. Zinthu zogwiritsira ntchito mankhwala ndi gawo lofunika kwambiri la...Werengani zambiri»
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Ponena za vuto la kutentha kwa gel ya Hydroxypropyl Methyl Cellulose HPMC, ogwiritsa ntchito ambiri saganizira kwambiri vuto la kutentha kwa gel ya Hydroxypropyl Methyl Cellulose. Masiku ano, Hydroxypropyl Methyl Cellulose nthawi zambiri imasiyanitsidwa malinga ndi kukhuthala kwake, koma chifukwa...Werengani zambiri»
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1. Kugawa: HPMC ikhoza kugawidwa m'magulu awiri: mtundu wa instant ndi mtundu wa hot-melt. Zinthu za instant-type zimafalikira mwachangu m'madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwo alibe kukhuthala, chifukwa HPMC imangomwazidwa m'madzi ndipo siisungunuka kwenikweni. Patatha mphindi ziwiri, ...Werengani zambiri»
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Hydroxypropyl methylcellulose (HPMC) ndi ether ya cellulose yosakhala ionic yopangidwa kuchokera ku cellulose yachilengedwe ya polymer kudzera mu njira zingapo zopangira mankhwala. Ndi ufa woyera wopanda fungo, wopanda kukoma komanso wopanda poizoni womwe umatupa m'madzi ozizira kukhala yankho loyera kapena lopanda utsi pang'ono la colloidal. Ili ndi pro...Werengani zambiri»
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Tsukani kumbuyo kwa thailo kaye. Ngati madontho, gawo loyandama ndi ufa wotsalira kumbuyo kwa thailo sizinatsukidwe, n'zosavuta kusonkhanitsa ndikulephera kupanga filimu pambuyo poti guluu wagwiritsidwa ntchito. Chikumbutso chapadera, matailo oyeretsedwa amatha kupakidwa utoto ndi guluu akangoyikidwa...Werengani zambiri»
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1. Zomwe zili munkhani ndi momwe ntchito ikuyendera Njira iyi imafotokoza zida ndi njira zogwirira ntchito pozindikira kusinthasintha kwa matope a simenti. Njira iyi imagwira ntchito pozindikira kusinthasintha kwa matope a phiri la Portland simenti, simenti ya Portland yophatikizika, ndi malo wamba a Portland ...Werengani zambiri»
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Sodium carboxymethyl cellulose (CMC) ndi chinthu chochokera ku cellulose chotchedwa carboxymethylated, chomwe chimadziwikanso kuti cellulose gum, ndipo ndicho chinthu chofunika kwambiri cha ionic cellulose gum. CMC nthawi zambiri ndi chinthu cha anionic polymer chomwe chimapezeka pochita cellulose yachilengedwe ndi caustic alkali ndi monochloroacetic acid. Mol...Werengani zambiri»
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Kuchuluka kwa phulusa ndi chizindikiro chofunikira cha hydroxypropyl methylcellulose. Makasitomala ambiri nthawi zambiri amafunsa akamamvetsetsa hydroxypropyl methylcellulose: kodi phulusa ndi lotani? Hydroxypropyl methylcellulose yokhala ndi phulusa laling'ono imatanthauza kuyera kwambiri; cellulose yokhala ndi phulusa lalikulu imatanthauza kuti...Werengani zambiri»
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pH ya zinthu zopangidwa ndi gypsum ndi acidic kapena neutral. Tsopano pali mitundu iwiri ya hydroxypropyl methylcellulose yomwe imapezeka pamsika: cellulose yosungunuka pang'onopang'ono ndi cellulose yofulumira (S). Instant cellulose si yoyenera makina a gypsum. Zogulitsazi, kusungunuka kwake ndi kochepa kwambiri...Werengani zambiri»
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Kusunga madzi kuchokera ku Hydroxypropyl Methyl Cellulose ndi chimodzi mwa zinthu zofunika kwambiri za Hydroxypropyl Methyl Cellulose. Zinthu monga kutentha kwa mpweya, kutentha ndi kuthamanga kwa mphepo zimakhudza kuchuluka kwa madzi omwe amasungunuka mu simenti ndi zinthu zopangidwa ndi gypsum. Chifukwa chake, mu...Werengani zambiri»