中国药典用银量法测定苯巴比妥的含量,指示终点的方法是
A.铬酸钾法
B.铁铵矾指示剂法
C.自身指示法
D.电位法
E.永停法
参考答案:D
解析:中国药典收载药物含量测定方法要求。
心源性脑栓塞3h内最宜选用的治疗药物是()。
A.罂粟碱
B.低分子肝素
C.尿激酶
D.降纤酶
E.阿司匹林
____ I got to the reading-room, I found that he ____ there.
A.At every time; read
B.Each time; was reading
C.At each time; would read
D.Every time; reads