英汉例句

• this invention discloses methanol carbonylation way preparing methyl formate method and its equipment.

  本发明公开一种甲醇羰基化法制备甲酸甲酯的方法及其装置。

• a batch and a continuous reactors are designed to study the hydrolysis of methyl formate to formic acid.

  设计了间歇釜式和连续管式两套实验装置。

• methyl formate is one of the hot point chemical products of c1 chemistry at present.

  甲酸甲酯是当前世界c1化学化工的热点产品之一。

• it was found that methanol could be oxidized into formaldehyde, and it could be further oxidized into methyl formate at higher potential in water free solution.

  结果表明甲醇可被氧化成甲醛，且随电位的提高可进一步氧化成甲酸甲酯。

• the synthesis process of methyl formate (mf) from purifying yellow phosphorus tail gas and methanol, and some influence factors of synthesize mf, are studied in this paper.

  用凈化黄磷尾气为原料与甲醇液相合成甲酸甲酯，并对影响一氧化碳及甲醇转化率、甲酸甲酯时空收率等的因素进行了研究。

• the reaction pathway may involve a homogeneous carbonylation of methanol to methyl formate followed by the heterogeneous hydrogenolysis of methyl formate to methanol.

  反应历程可能为甲醇首先均相催化羰化为甲酸甲酯，然后甲酸甲酯再多相催化氢解为甲醇。

• synthesis of methyl formate (mf) by carbonylation of methanol with only sodium methoxide as catalyst exists some shortages, such as low activity, rapid loss of activity and short catalyst life.

  以单一甲醇钠作为催化剂通过甲醇羰基合成甲酸甲酯，存在催化剂活性不高、易失活、寿命短等问题。

• this paper reviews the catalytic system of methyl formate reacting with alkene for synthesis of esters, in addition, the reaction mechanism is also discussed.

  本文系统介绍了甲酸甲酯与烯烃反应合成酯的催化体系，并对反应机理进行了讨论。

• low temperature synthesis methanol and methyl formate from syngas in a slurry reactor have been investigated.

  本文考察了采用三种方法制备的铜基催化剂低温浆态相合成甲醇和甲酸甲酯的活性与选择性。

• in order to improve casting accuracy, reduce costs and apply environmental protection process, a new air-cured cold box resin sand process with methyl formate as solidified agent was developed.

  为提高铸件精度、降低生产成本、推行绿色环保工艺，开发出了以甲酸甲酯为固化剂的一种新的气硬冷芯盒树脂砂工艺。

• the application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated.

  在釜式反应器中研究了甲醛和甲酸甲酯偶联生成乙醇酸甲酯及甲氧基乙酸甲酯反应的各种酸催化剂的性能。

• hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.

  甲酸甲酯氢解制甲醇这一步骤的难点在于环境友好的低温高活性铜基催化剂的研制。

• development of down stream products and progress in synthetic technology of methyl formate are summarized.

  综述了国内外甲酸甲酯合成技术进展及下游产品开发；

• in recent years, special attention has also been devoted to hydroesterification of alkene using methyl formate instead of co/ch3oh.

  近年来，利用甲酸甲酯替代co/ch3oh与烯烃的加氢酯化反应也逐渐成为研究热点。

• sodium methoxide used as catalyst for the synthesis of methyl formate by carbonylation of methanol was studied, and effect of three kinds of promoter was investigated.

  在间歇釜式反应器中，进行一氧化碳与甲醇羰基化合成甲酸甲酯的合成，考察甲醇钠堿性催化体系对反应的影响。

• with the industry realization of methyl formate on a great scale, the considerable attention has been paid to use and development of its downstream products.

  随着甲酸甲酯大规模工业化的实现，加速其下游产品的开发利用，日益成为普遍关注的一大课题。

• reaction product vapor through methyl formate separating area, condenser and tail condenser, methyl formate crude product mixed liquor is got from gas phase condensation separating.

  反应产物蒸汽依次通过反应器 上部精馏区内的甲酸甲酯分离区、冷凝器、尾凝器，从气相冷凝分离得甲酸甲酯的粗产品混合液。

• hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.

  在催化精馏塔内以压制的强酸性阳离子交换树脂为催化剂填料对甲酸甲酯水解制甲酸进行了实验研究。

• methyl formate becomes more and more important as a new source of carbon in the carbonyl synthesis.

  甲酸甲酯作为新的碳源，在羰基合成化学中的作用越来越受到重视。