It works out by moving huge concrete structures, steel-castings and pallets loaded with glass.

The surface alloying of steel castings without agent was studied by means of orthogonal experiment design.

利用正交试验方法研究了铸钢件的无熔剂表面合金化.

Product direction: valve parts, marine castings, impeller blades, mines wear-resistant parts , steel castings, and so on.

产品方向: 阀门零部件 、 船用铸件 、 叶轮叶片 、 矿山 耐磨件 、 不锈钢铸件等.

A new method was developed to simulate quantitatively the formation of shrinkage cavity in steel castings.

本文提出了一种新的三维定量模拟铸钢件缩孔形成的方法.

The structure characteristic of acids and their application in catalytic reaction were reviewed.

综述了杂多化合物的结构特点及其在催化反应中的应用.

The reactor be for gas solid heterogeneous catalytic reaction or non-catalytic reaction and drying solid powder.

该反应器可用于气、固非均相催化反应或 非 催化反应中,也可用于固体粉料的干燥.

His research areas include separation and catalytic reaction engineering.

研究方向是分离与催化反应工程.

The ethanol catalytic combustion technique was used to synthesize carbon nanotubes and carbon nanofibers.

乙醇催化燃烧法可以方便的制备出碳纳米管和碳纳米纤维.

Results indicate stablecombustion can be realized under catalytic combustion.

通过适当设置催化表面,可以实现燃料低温、高效转变.

Reactive flow characteristics of a honeycomb catalytic reactor were studied under reaction conditions model reaction.

研究了伴有反应条件下蜂窝体催化反应器的流动性能.

Field use for 5 years proves the catalytic reactor has good performance.

该产品经过5年多的现场使用,效果良好,安全可靠,是一种值得推广的产品.

The main parameters of the catalytic reactor is determined based on calculation.

同时,论述了催化反应器的设计中主要参数的确定.

Methyl cis-cinnamate was synthesized from ethyl trans-cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

反式肉桂酸乙酯经溴化 、 脱溴化氢 、 甲酯化和催化氢化合成了顺 式 肉桂酸甲醇.

Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.

以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺.

Adopting superfine particle as catalytic agent will exert special influence and selectivity of the catalytic agent.

对超细粒子催化剂的应用现状作了详尽的阐述,分析了超细粒子催化剂的制备特点,指出了其发展方向.

Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文研究了在相转移催化条件下对两可亲核试剂不同位置的烷基化反应.

A new method to recover silver from silver-bearing waste catalytic agent is introduced.

介绍了从含银的废催化剂中回收白银的一种新方法.

The effect of Cu ~ ( ++ ), Fe ~ ( ++ ) ions on the catalytic reduction of the given dye is discussed primarily.

初步探讨了Cu~ ( ++ ) 、 Fe~ ( ++ ) 离子对染料的催化还原作用.

Phloroglucinol was prepared from sodium trinitrobenzoate through catalytic reduction and pressurizedhydrolysis in 62 % overall yield.

三硝基苯甲酸钠经催化还原、加压水解等反应制得间苯三酚,总收率62%.

Selective catalytic reduction ( SCR ) technology is widely used in the removal of NO _ x from exhaust gas.

选择性催化还原 ( SCR ) 法是目前普遍采用的废气催化脱硝方法.

The study areas and application prospective of the electro catalytic reduction of CO 2 are proposed.

展望了CO2电催化还原方法的研究方向和应用前景.