What type of sentence is "Jim has chosen a law school because he wants to be a lawyer in future."?
A simple sentence.
B. A coordinate sentence.
C. A complex sentence.
D. None of the above.
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下列不属于扩散原理制备的缓释制剂有()
A. 水不溶性包衣膜
B. 含水性孔道的包衣
C. 骨架型缓释制剂
D. 制成溶解度小的酯
E. 制成微囊
下列属于控制溶出为原理的缓控释制剂的方法是()
A. 控制粒子大小
B. 水不溶性包衣膜
C. 亲水凝胶骨架
D. 制成乳剂
E. 制成植入剂
According to speech act theory, an act of expressing the speakers intention is defined as
A. illocutionary act
B. locutionary act
C. perlocutionary act
D. contextual factor
下列对缓释与控释制剂叙述中错误的是()
A. 具有吸收部位特异性药物一般可通过制备缓释制剂,提高生物利用度
B. 用HPMC制备亲水凝胶骨架片,可延长药物的释放时间
C. 半衰期很短和半衰期很长的药物,不宜制成口服缓释、控释制剂
D. 生物碱类药物与鞣酸形成难溶性盐,药效与母体药物比较显著延长
E. 鱼精蛋白锌胰岛素的药效可维持18~24h