主页
学科
搜索
账户
常见问题
当前学科:药物化学(药学专)
题目:
判断题
6位引入氟原子是氟喹诺酮类药物的结构特征
正确
错误
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
采用追溯法调整,需要做的工作有( )。
Revise the following e-mail message. And the formatting of the message is to be scored.TO: Andrea KanaThis message is in response to your recent inquiry about mail costs. Your message of April 30 said that you wanted a brief explanation of what is being done in Mail Services to cut back on overall costs. I can tell you that I've been doing many things to cut costs.For one thing. l' m trying very hard to locate duplicate names and addresses inadvertently included in our mailing lists. This problem is particularly difficult when we merge multiple mailing lists. Another thing l'm doing relates to envelope size. Departments that use envelopes larger than 631 by 1131 are costing us a lot of money. which they do not realize. Therefore. 1 am making a proposal to all departments to limit the envelope size.Finally. l' m looking into the possibility of presorting some of our first- and third-class mail. Mailings that are presorted are charged less.George Miller
关于龚鹏程先生所精通的领域不包括?()
在绘图时可以对已建立的UCS坐标保存或者删除,同时也可以改变或删除WCS坐标。
男,35岁,低热月余,咳痰带血3天,两年前患过胸膜炎,X线胸片左肺尖密度不均阴影;ESR30mm/h,WBC8.0×10/L如前述各项有关检查,均无异常,采取哪项治疗为宜()
当发现钢丝绳表面润滑油脂有堆积现象,在卷筒、滑轮绕入、绕出部位有油堆积,说明润滑不均匀,要及时清理堆积的多余润滑油。
CIS战略中的“形象传播”论主要强调的是().
有关生物利用度的描述,错误的是()
下列法律中规定保护商业秘密的是()。
决定CT机连续工作时间长短的关键指标是()