-
1. Imiterere y'ibanze ya HPMC Hypromellose, izina ry'Icyongereza hydroxypropyl methylcellulose, bita HPMC. Formula yayo ya molekile ni C8H15O8-(C10Hl8O6)n-C8Hl5O8, kandi uburemere bwa molekile ni hafi 86.000. Iki gicuruzwa ni ibikoresho bikozwe mu buryo bwa semi-synthetic, biri mu itsinda rya methyl n'igice cya polyhydrox...Soma byinshi»
-
Hydroxypropyl methyl cellulose, mu magambo ahinnye nka cellulose [HPMC], ikozwe muri cellulose y’ipamba nziza cyane nk’ibikoresho fatizo, kandi itegurwa hakoreshejwe uburyo bwihariye bwo gupima ubushyuhe mu gihe cy’ubushyuhe bwa alkaline. Igikorwa cyose kirangizwa hifashishijwe uburyo bwikora kandi nta bintu bikora nk’ibyo...Soma byinshi»
-
1 Intangiriro Ubushinwa bumaze imyaka irenga 20 buteza imbere imashini zivanze neza. Cyane cyane mu myaka ya vuba aha, inzego za leta zibishinzwe zashyize imbere iterambere rya imashini zivanze neza kandi zitanga politiki zishishikariza. Kuri ubu, hari intara zirenga 10 zi...Soma byinshi»