
協會動態
來源:本站 | 發布日期: 2026-03-25 18:20:17 | 瀏覽量:795715
gutizhijikaifaguochengzhong,zaishiyanshixiaoguimonenggoushunliliudongdefenti,yidanjinxingzhongshifangdaheshijishengchanzhongchangfashengliudongbujiadewenti,daozhizhiliangbuyizhi,yanzhongshishenzhiwufashengchan。yaowushengchanguochengzhong,fentidezhuanyirufenticongloudouzhongtongguo、在混合器中混合和倒出以及充填膠囊和壓片機衝模都與藥物粉體的流動有關。
yuliutibutong,dangfenticongrongqiliudaopingmianshi,liuxiadefentiduijizaipingmianshangqieduijichicunsuifentideliuxiaerzengjia,danduijijiaobaochibubian,zhegejiaojiweifentidexiuzhijiao,youchenganxijiao,tashifentizaizishenzhonglixiayundongsuoxingchengdejiao。xiuzhijiaodeceliangfangfahenduo,youpaichujiaofa、注入角法、滑動角法等。
Carr測定法則是綜合了影響粉體流動性的很多因素,進行了大量實驗而提出的應用自然坡度角、板勺角、壓縮率、凝ning聚ju度du四si項xiang指zhi數shu,用yong得de分fen製zhi的de數shu值zhi方fang法fa表biao示shi粉fen體ti流liu動dong性xing的de方fang法fa。該gai方fang法fa簡jian單dan實shi用yong,既ji適shi用yong於yu流liu動dong性xing好hao的de粉fen粒li體ti,又you適shi用yong於yu附fu著zhe性xing強qiang且qie流liu動dong性xing差cha的de粉fen體ti,適shi用yong範fan圍wei廣guang。其qi測ce量liang原yuan理li參can照zhaoCarr指數表,通過測定樣品的每一項流動性指數指數,並把其結果累加,即可得到卡爾指數,得出對流動性狀的綜合評價。
Jenike法是通過剪切實驗測定粉體樣品的內摩擦角、內聚力、bimocajiaodengxingnengzhibiao,jiehemoeryuandedaofentideliudonghanshu,dinglianghuadipingjiafentiliudongxingneng。zhezhongceshishouduanzuizaoyongyuliaocangshejizhong,danshixianzaitazaiceshifentiwuzhideyibanxingnengzhongfahuizheyuelaiyuezhongyaodezuoyong。muqianyikaifachubutongdeshiyanzhuangzhihefangfayonglaizhijieceliangfentidequfutexing。
藥yao物wu粉fen體ti流liu動dong性xing是shi固gu體ti製zhi劑ji開kai發fa過guo程cheng中zhong需xu要yao重zhong點dian考kao察cha的de因yin素su,深shen入ru理li解jie粉fen體ti流liu動dong性xing的de影ying響xiang因yin素su,必bi需xu借jie助zhu科ke學xue的de方fang法fa和he儀yi器qi測ce量liang,根gen據ju測ce量liang的de結jie果guo有you利li於yu研yan究jiu者zhe采cai用yong適shi當dang的de工gong藝yi改gai善shan粉fen體ti的de流liu動dong。總zong而er言yan之zhi,深shen入ru理li解jie材cai料liao的de“結構-性質”的關係有助於科研人員使用工程工藝手段改善材料特性,並為製藥企業實施“質量源於設計”提供堅實的基礎。
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