例句
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Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured.
将醛类物质与2, 4- 二硝基苯肼 ( DNPH ) 的衍生反应液直接进样,以苯为内标物,测定了甲醛 、 乙醛等醛类物质DNPH衍生物的校正因子.
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In the presence of acid and polyethylene glycol, phenol reacted with ceric ammonium nitrate 2, 4 - dinitrophenol.
在醋酸、相转移催化剂聚乙二醇存在下, 苯酚与硝酸铈铵反应生成2, 4- 二硝基苯酚.
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The second order nonlinear optical material, 2,4 dinitrophenol ( DNP ) was synthesized.
合成了二阶非线性光学材料2, 4-二硝基苯酚 ( DNP),测试了其二次谐波产生(SHG ) 的强度和晶体结构.