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1. Ubume obusisiseko be-HPMC Hypromellose, igama lesiNgesi elithi hydroxypropyl methylcellulose, alias HPMC. I-molecular formula yi-C8H15O8-(C10Hl8O6)n-C8Hl5O8, kwaye ubunzima be-molecular malunga ne-86,000. Le mveliso yi-semi-synthetic material, eyinxalenye yeqela le-methyl kunye nenxalenye ye-polyhydrox...Funda ngokugqithisileyo»
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IHydroxypropyl methyl cellulose, efinyeziweyo njengeselulosi [HPMC], yenziwe ngeselulosi yomqhaphu esulungekileyo kakhulu njengento ekrwada, kwaye ilungiswa nge-etherification ekhethekileyo phantsi kweemeko zealkaline. Yonke le nkqubo igqityezelwe phantsi kohlolo oluzenzekelayo kwaye ayiqulathanga naziphi na izithako eziSebenzayo ezifana...Funda ngokugqithisileyo»
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1 Intshayelelo I-China ibisoloko ikhuthaza udaka oluxutyiweyo olusele luxutywe iminyaka engaphezu kwama-20. Ingakumbi kule minyaka yakutsha nje, amasebe karhulumente kazwelonke achaphazelekayo aye ancamathela ukubaluleka kophuhliso lodaka olusele luxutywe kwaye akhupha imigaqo-nkqubo ekhuthazayo. Okwangoku, kukho amaphondo angaphezu kwe-10 a...Funda ngokugqithisileyo»