甲醇

The different catalytic systems are discussed. The results show that sodium tungstate has effective catalytic ability.

实验结果表明，钨酸钠和双季铵盐催化体系能在温和的条件下，催化稀过氧化氢溶液氧化环己醇、苯甲醇、环己烯。

The synthesis of diphenylmethanol under ultrasonic wave irradiation was studied.

报道了超声波作用下合成二苯甲醇的方法。

In the residual titration, excess Reagent is added to the test specimen, sufficient time is allowed for the reaction to reach completion, and the unconsumed Reagent is titrated with a standard solution of water in a solvent such as methanol.

在回滴定法，过量的卡尔试剂加入到待测样品中，给与足够的时间去达到反应完全，未消耗的卡尔试剂用溶于溶剂例如甲醇的标准水溶液去滴定。

The obtained results show that the primary and secondary alcohols areconverted in good yields, whereas tertiary alcohol and phenol are unreactive.

当原料分别为乙醇、正丁醇、仲丁醇、苯甲醇和苯乙醇时，目标产物碳酸二乙酯、正丁基乙基碳酸酯、仲丁基乙基碳酸酯、苯甲基乙基碳酸酯和苯乙基乙基碳酸酯的产率分别为67.3、52.3、56.7、37.6和32.8％。

According to the full model of the whole process obtained through simulation, this paper emulated varied cases and analyzed sensitivities under the different feed flow, H_2S content, shifted gas/unshifted gas ratio, liquid/vapour ratio, N_2 flow used to stripping, H_2O concentrate in loan methanol, and calculated hydraulics of every columns.

根据模拟得到的整个工艺流程的完整模型，本文对变工况条件进行了仿真计算，对处理原料气负荷、进口原料气H_2S含量、变换气与未变换气负荷比、液气比、气提N_2量、贫甲醇水份的变化进行了工况研究与敏感性分析，并对各塔进行了水力学模拟计算分析。

In the system of solvents comprised of water and methanol,theTrommsdorff effect appeared in the curve of the graft yields vice verse theconcentrations of the monomer.

在甲醇和水的混合溶剂体系中，接枝率随单体浓度变化的曲线中出现凝胶效应。

We use Poly vinyl alcohol, acrylic acid and acrylonitrile as the materials, through the aldolisation of PVA and copolymerization of AA and AN, we prepared the composite membrane with balance theory of hydrophilic and hydrophobic water.

本文以聚乙烯醇和丙烯酸、丙烯腈为主要原料，通过PVA缩醛中醛的选择及膜制备方法的选择，根据亲憎水平衡理论设计出PVA缩甲醛膜上下两层包覆AA和AN共聚膜的复合膜，用此膜进行甲醇／水溶液的渗透汽化分离。

The morphology, structure, and electrochemical activity of the prepared electrodes have been analyzed by TEM, XRD, and cyclic voltammeter.

电化学循环伏安法测试的结果显示，利用这种方法制备的纳米PtRu/C催化剂对于甲醇氧化具有较强的抗中毒能力和较高的电催化活性。

Stability: It causes reactivity of vulcanization with water molecule in air, and release methanol gas.

稳定性：遇空气中的水分子，产生硬化反应，并释放出甲醇气体。

Results of experiments show that water vapour affects the stability of mixed catalyst.

探讨了合成气含水蒸气对合成二甲醚以及合成甲醇的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。