对混悬于基质中的药物，其粒度 能影响药物的释放、溶解和吸收。 般粒度小，易溶解、 吸收也快。如阿 司匹林在栓剂中，粒度大者吸收差 小者吸收好
对混悬于基质中的药物，其粒度 能影响药物的释放、溶解和吸收。一 般粒度小，易溶解、吸收也快。如阿 司匹林在栓剂中，粒度大者吸收差， 小者吸收好
How much do you know about micromeritics, such as how to learn its size,how to describe its shape ,as well as how to associate character of micromeritics with preparation technology,and so on Are you interested in these questions After studying this chapter,you will get understood
How much do you know about micromeritics, such as how to learn its size, how to describe its shape ,as well as how to associate character of micromeritics with preparation technology, and so on ? Are you interested in these questions ？ After studying this chapter,you will get understood
The more you think the more you will learn and the more progress you will make in future Try your best to think to learn and to improve yourself during your study
The more you think , the more you will learn , and the more progress you will make in future . Try your best to think , to learn and to improve yourself during your study
1.Micromeritics(粉体学) 是研究粉体的基本性质及其应用的科学 无数个固体粒子集合体总称 粉体运动的最小单元 粒径大于100m粒径小于100μm 粒 级粒子 二级粒子（引力絮凝物、黏合剂聚结物）
1．Micromeritics (粉体学) 是研究粉体的基本性质及其应用的科学 无数个固体粒子集合体总称 粉体运动的最小单元 粒径大于100µm 粒径小于100µm 粒 粉 一级粒子 二级粒子（引力絮凝物、黏合剂聚结物)
2.固体粒子的特点 固气分散系，大小和形状各异的固体质 点分散在空气中 ·具有流动性：流化床干燥 •具有压缩性：颗粒压片 ·固体抗变形能力：裂片
2. 固体粒子的特点 • 固气分散系，大小和形状各异的固体质 点分散在空气中 •具有流动性：流化床干燥 •具有压缩性 : 颗粒压片 •固体抗变形能力：裂片