文摘：在岩石热解分析中当岩样碱金属和碱土金属离子含量较高时，经常发生离子化干扰的影响。
Abstract: in rock pyrolysis when the content of base metals and base earth metals is relatively high ionization interference will frequently occur.
文摘：研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法，并实现了计算程序。
Abstract: the method of fast finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
文摘：介绍了金属表面清洗过程中清洗液的净化处理工艺，提出酸化中和、丙纶毡吸油两步法处理废液，处理后的废水达到了国家废水二级排放标准GB8978- 88。
Abstract: the article described the cleanse treatment technology of the cleaning mixture. Put forward using acidizing and polyacrylate to treat waste fluid and reach GB8978-88.
文摘：评述了近年来手性金属配合物催化的前手性羰基化合物的不对称硅氢化反应研究进展。
Abstract: Recent advances in asymmetric hydrosilylation of prochiral carbonyl compounds catalyzed by chiral transition metal complexes are reviewed in this paper with 47 references.
文摘：双金属管是一种功能材料，作为管道输送材料具有许多优点。
Abstract: as a kind of functioning material, the dual metal pipe has a number of advantages when used for pipe line purpose.
文摘：论述了用于金属材料表面热处理的等离子弧发生器的工作原理、结构特点和参数设计。
Abstract: The working principle, structure and parameters design of plasma arc generator for heat treatment are described.
文摘：论述了用于金属材料表面热处理的等离子弧发生器的工作原理、结构特点和参数设计。
Abstract: The working principle, structure and parameters design of plasma arc generator for heat treatment are described.
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