下述的两种方法同属于放射光谱的是（）。A.原子发射光谱和紫外吸

搜题请搜索小程序“爱下问搜题”

问题单项选择题

下述的两种方法同属于放射光谱的是（）。

A.原子发射光谱和紫外吸收光谱

B.原子吸收光谱和红外光谱

C.红外光谱和质谱

D.原子发射光谱和荧光光谱

E.原子吸收光谱和核磁共振谱

答案

参考答案：D

单项选择题

Which of the following does NOT violate Standard Ⅰ ( D), Misconduct Roland Lawson, a CFA charterholder and a financial analyst:（）

A. is arrested for participating in a nonviolent protest.

B. committed perjury in connection with a lawsuit against his firm.

C. drinks excessively during business meetings with clients and returns to work under the influence of alcohol.

多项选择题

离心式压缩机出口流量过低的原因主要有（）。

A.级间密封间隙过大

B.静密封点泄漏

C.进气管道上气体除尘器堵塞

D.喘振