AQC柱前衍生化RP-HPLC法测定大蒜中蒜氨酸含量高效液相色谱-柱后衍生法检测水中呋喃丹残留量的方法研究
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Today, that gender gap has reversed. Male happiness inched up, and female happiness has dropped.
今天, 这种性别的差距已经被扭转,男性幸福指数高涨, 而女性幸福感已然下降.
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The situation in which the economic returns of enterprises kept falling down was reversed.
企业经济效益下降的状况有所缓解.
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β-苯乙胺的N-取代反应过程中反应物和产物的反相HPLC分离测定
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