英汉例句

• this active mg can be hydrogenated with the formation of mgh2 under normal pressure. the optimum temperature for the hydrogenation reaction is 230?

  这种活性镁在常压即可加氢生成氢化镁，最适加氢温度为230℃。

• comparisons undertaken between melting method and solvent process showed that the hydrogenation reaction rate of the solvent process is greater than that of the melting method.

  并比较了松香催化加氢的熔融法和溶剂法，结果表明溶剂法加氢反应的速度大于熔融法。

• research progress in the hydrogenation reaction of hydrocarbons unsaturated compounds, co, co2 etc. , on amorphous alloy catalysts were also described.

  以及非晶态合金催化剂在烃类加氢、其他不饱和化合物加氢、co、co2加氢等领域的研究进展。

• the second-stage hydrogenation reaction is mainly hydrodesulfurization and alkene saturation hydrogenation of pyrolysis gasoline.

  裂解汽油的二段加氢反应主要是脱硫、烯烃饱和等反应。

• the order of the hydrogenation reaction with respect to the mg surface area is one.

  加氢反应的速度对镁的表面积为一级。

• a detail sequence of restart-up under hot conditions in hydrogenation reaction section is designed based on practical experience.

  根据实践经验，设计出脱氢反应工段热工况下再开车的详细程序。

• the oxenin hydrogenation reaction in low temperature and high hydrogen pressure favors the improvement of the reaction selectivity.

  结果还表明，缩合物加氢反应在低温、高氢压的条件下进行有利于反应选择性的提高。

• a new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

  利用氨基乙腈及丙烯腈的亲核加成、氢化反应合成了一种新的不等臂有机多胺化合物2-氨基乙基-二（3-氨基丙基）胺。

• aldehyde oxidation, hydrogenation reaction on main, condensation, de carbonyl;

  发生在醛基上的反应主要有氧化、氢化、缩合、脱羰基等；

• in the hydrogenation reaction of dnt, the catalyst of nickel supported on infusorial earth carrier is employed.

  在dnt催化氢化反应过程中，以硅藻土为载体的镍催化剂颗粒在搅拌时被磨细。

• the hydrogenation reaction of co and co2 to synthesize methanol is a multiple reaction system. the distributions of concentrations are described by second order ordinary differential equations.

  由co、co＿2加氢合成甲醇的反应是一个复合反应体系，其催化剂颗粒内的浓度分布的表征方程为二阶常微分方程组。