皮皮学，免费搜题
登录
搜题
【简答题】
中国药典(2015年版)规定,肾上腺素中肾上腺酮的检查方法:取本品适量,加0.05mol/L盐酸溶液溶解制成每1ml中含2mg的溶液,照分光光度法,在310nm波长处测定,吸光度不得超过0.05,肾上腺酮的吸光系数为453,肾上腺酮的限量是多少?
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】After he was dismissed, he had to look______another employment.
A.
at
B.
up
C.
for
D.
on
【简答题】本节染色成果展示中灰色使用的种植物材料名称是()
【单选题】—You are leaving your school．How do you like it? —Very much, of course, I this school since I moved here
A.
came to
B.
have gone to
C.
have been to
D.
have been at
【简答题】幼儿园常用的直观法主要有 、__________ 、_________ 。
【简答题】任务相阅读。 Safety Activities for Middle School Kids School is not the safe place as it used to be. How do we keep school safer? How do we help students stay away from er? There are many activities tha...
【单选题】He was dismissed for ________ his duty.
A.
neglecting
B.
neglected
C.
ignored
D.
ignoring
相关题目：
参考解析：
知识点：
题目纠错 0
发布
