A . 离子交换色谱 B . 聚酰胺色谱 C . 凝胶色谱 D . 氧化铝色谱 E . 硅胶分配色谱 31.黄酮类化合物的分离优先采用 32.蛋白质、多糖类化合物的分离优先采用 33.有机酸类化合物的分离优先采用 34. 生物碱类化合物的分离优先采用 35. 皂苷类化合物的分离优先采用
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【单选题】Code of conduct is a set of rules outlining the social norms, religious rules and responsibilities of, and or proper practices for, an individual. In Chinese, “code of conduct” is ______.
【判断题】The global code of conduct is a general standard of business practice that can be applied equally to all countries over and above their local customs and social norms.