每只钢笔15元,三(9)班有48人,每人买一只钢笔,给售货员阿姨800元钱,应找回多少元?
800-15×48
=800-720,
=80(元).
答:应找回80元.
案例摘要:处方:呋喃唑酮100g,淀粉(120目)300g,12%淀粉浆适量,硬脂酸镁2.5g,羧甲基淀粉钠(80目)5g,共制成1000片。
以下哪一项不是片剂处方中润滑剂的作用()
A.增加颗粒的流动性
B.防止原辅料黏附于冲模上
C.降低片与冲模之间、颗粒之间的摩擦力
D.降低颗粒之间的空隙率,促进片剂在胃中的润湿
E.使片剂易于从冲模中推出
The cash price consumers pay for a product is most likely to increase as the result of a:()
A. government subsidy to product producers.
B. quota on how much of the product can be produced.
C. new law imposing high penalties for sales of the product.