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【单选题】
现行版《中国药典》规定对于含量在98.5%以上的原料药进行含量测定时首选( )A.
气相色谱法
B.
高效液相色谱法
C.
滴定分析法
D.
紫外分光光度法
E.
离子交换色谱法
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皮皮学刷刷变学霸
举一反三
【单选题】Sixty percent of drinkers of whiskey in Great Britain are over 50. The dangers associated with an aging market are obvious. Whiskey manufacturers have taken staid traditional symbols of their whiskey ...
A.
perceptual generalization
B.
stimulus discrimination
C.
perceptual discrimination
D.
selective distortion
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