溶剂
- 与 溶剂 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The results show that these derivatives can be obtained in the yield of over 90％ in the presence of DMF when using ethyl acetate as a catalyst.
结果表明，以N，N-二甲基甲酰胺为溶剂，以乙酸乙酯为催化剂的合成路线，均可以以90％以上的得率合成出上述化合物。
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The calculated IC times of chl-a in ethyl acetate, tetrahydrofuran and dimethyl formamide are 141, 147, and 241 fs, respectively.
计算得到的叶绿素a分子在乙酸乙酯、四氢呋喃和二甲基甲酰胺溶剂中的内转换时间分别是141、147和241 fs。
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A mixture of solvent is alcohol, ethyl innovativeink that do not include.
溶剂是醇的混分物，油不朱洋不含乙酯。
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When using ethyl alcohol as the solvent of the extract, some chromatographic peak shapes became abnormal.
试样以乙醇为溶剂时，会导致某些色谱峰的峰形不好。
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A method for determining contents of seven kinds of residual organic solvents such as methanol, ethanol, methylene chloride, ethyl aetate, toluene, tetrahydrofuran and acetic acid in a new pharmaceutical-developing (UP0044) was established by capillary gas chromatography.
建立了测定新药UP0044中甲醇、乙醇、二氯甲烷、乙酸乙酯、甲苯、四氢呋喃、乙酸7种有机溶剂含量的方法，以确定它们在药物中的残留量和比例。
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This pigment was extracted with 1%NaOH, then was extracted for 3 times with petroleum ether and ethyl acetate.
结果表明，板栗壳色素易溶于碱性水溶液，不溶或难溶于非极性溶剂。
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The hydrolysis was extracted with ethyl ether and concentrated, analyzed and determined with GC/MS.
为了研究不同的加工工艺对茶鲜叶香气和糖苷类香气前体的的影响，利用槠叶种群体的一芽二、三叶鲜叶为原料，按照传统的加工工艺分别制成红茶、绿茶，应用SDE提取、GC/MS对香气组成进行分析，同时应用溶剂提取、双相酶解和GC/MS对糖苷类香气前体物质进行系统分析。
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And easy to dissolve in the water,at the same times,It does not dissolve in the chloroform, the ethyl alcohol, the ether and other organic solvents.
它易溶于水，不溶于氯仿、乙醇、乙醚等有机溶剂。
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Simetryne is synthesized from cyanuric chloride, ethylamine and sodium methyl mercaptide in solution of the trichloroethylene.
以三聚氯氰、乙胺和甲硫醇钠为原料，以三氯乙烯为溶剂制备了西草净。
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Simetryne was synthesized from cyanuric chloride, ethylamine, and sodium methyl mercaptide in a 50% isopropanol + water solution.
以三聚氯氰、乙胺和甲硫醇钠为原料，以50%异丙醇＋50%水为溶剂制备了西草净。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想，是邓小平经济理论体系中的重要组成部分，是我国经济建设根本任务的一个重要方面。