英语释义

1. any of various metallic elements (such as chromium, iron, and nickel) that have valence electrons in two shells instead of only one — called also transition element

片语

transition-metal complexes过渡金属络合物

transition-metal catalyzed过渡金属催化

d transition-metald过渡金属

Transition-metal cap过渡金属帽

transition-metal catalyze过渡金属催化

Transition-metal diborides过渡金属二硼化物

Transition-metal acetylide过渡金属炔化物

transition-metal osmium过渡金属锇

英汉例句

• this paper summarizes the effect of different transition metal ions on peracid bleaching and their respective mechanism, and introduces some methods of controlling transition metal ions.

  本文介绍了过氧酸漂白中不同过渡金属离子的作用、机理及控制，并提出一些控制过渡金属离子作用的新的有效的方法。

• the chemisorption of aromatic molecules on transition metal is of great interest due to extensive use in petrol-chemistry industry and environment protection.

  由于在石油化工和环境保护方面的广泛应用，芳香分子在过渡金属表面的吸附成为人们研究的热点。

• the surface acidity or basicity of six-component transition metal catalyst was studied.

  六组分过渡金属氧化物催化剂的表面酸堿性测定。

• the difference can be used to improve the separation between alkaline earth and transition metal ions.

  这种差异可用于改善堿土金属与过渡金属离子之间的分离状况。

• in the calculation, contributions of spin orbit (so) couplings from not only the central transition metal ions but also the ligands are considered.

  在计算中既考虑了中心过渡金属离子so耦合作用，也考虑了配体so耦合作用的贡献。

• transition metal catalyst composition is discussed with emphasis.

  重点讨论了过渡金属催化剂的组成。

• temperature and transition metal ions have greatly influences on fluorescence spectrum.

  温度和过渡金属离子对它的荧光光谱有较大的影响。

• transition metal nitrides belong to a class of interstitial compounds, have the properties of covalence compound, ion crystal and transitional metals.

  过渡金属氮化物是一类金属间充型化合物，兼具有共价化合物、离子晶体和过渡金属的性质。

• the cyclodextrin and its derivative inclusion coordination can not only include with guest molecule, but also with transition metal complexes.

  环糊精及其衍生物不仅能与简单客体分子包合，也能与过渡金属配合物进行包合的研究。

• this type of resins have selective sorption to transition metal ions.

  具有选择性地吸附过渡金属离子的性能。

• although transition metal promoter iron couldn't increase the selectivity of indole, it could improve the stability of the catalyst.

  加入过渡金属助剂铁虽然不能提高催化剂的选择性，但可以提高催化剂的稳定性。

• however, a few of studies are dedicated to the metal arenesulfonates owing to the weak coordination ability of sulfonate toward transition metal ions.

  然而，由于磺酸根与过渡金属离子的弱配位能力使得过渡金属的芳香磺酸配合物的研究较少。

• the conclusions of this paper will be useful for practical application of this method in the recovery of transition metal ions from salt water and industrial waste.

  本文所得的结论，对于从海水及工业污水中回收过渡金属离子的络合-超滤联合法的实际应用，具有一定的参考价值。

• the transition metal catalysts for hydrosilation are reviewed in this paper.

  本文评论了用于硅氢加成反应的过渡金属催化剂。

• the interaction between simple diatomic molecules such as co and transition metal surfaces may lead to breaking and making chemical bonds and trigger important surface catalyzed reactions.

  简单双原子分子co与过渡金属间的相互作用，可能导致化学键的断裂与形成，并且引发重要的表面催化反应。

• the research on transition metal coordination polymers not only connects inorganic and organic chemistry but also involves basic theory and applications.

  过渡金属配位聚合物的研究，不仅沟通了无机与有机化学的研究，而且集基础研究与应用研究于一体。

• against this backdrop, the optical, vibrational, and magnetic properties of transition metal complexes are presented and their investigation by the appropriate spectroscopy is described.

  在这背景下，陈述过渡金属配合物的光学、振动和磁学性质，以及通过适当的光谱方法探讨这些性质。

• the coordination of azine with salts of transition metal were investigated and 10 new complexes were prepared.

  研究了吖嗪化合物与过渡金属盐络合作用，得到了10个新吖嗪配合物。

• ‘for example, we can put something such as sodium in the core, mixing with a transition metal and then coated with a protective outer layer. i don’t think you could make these by any other means.

  例如，我们可以将钠与一种过渡金属作为内核，并在外面包裹一层保护层。

• the organic electron donor compound is meant to react with the polymerization-active transition metal compound.

  有机电子给予体是为了与有聚合活性的过渡金属化合物化合；

• the catalytic activities of the transition metal oxide were investigated in the reduction of anhydrous sodium sulfate by hydrogen at 500-620℃.

  以过渡金属元素氧化物为催化剂，在500-620℃下研究了氢气还原硫酸钠反应的催化活性。

• the second part of this dissertation shows the synthesis and characterization of some different kinds of transition metal complexes of a new dendritic macromolecule and pyrimidine.

  论文的第二部分合成出了一系列不同的树枝状高分子过渡金属配合物和嘧啶过渡金属配合物并对它们进行了表征。

• the paper reviews the development of transition metal - catalyzed reactions with hpervalent iodonium salts according to the types of the reactions.

  根据不同反应类型对过渡金属催化下有机高价碘盐在有机合成中的应用研究进行总结。

• transition metal compound has been the focus as anode material in lithium ion battery since it has high lithium storage capacity and new energy storage mechanism.

  过渡金属化合物由于具有较高的储锂容量和崭新的储能机理，成为近些年锂离子电池负极材料中的研究热点。

• the content of this subject study is presented on the basis of studies on dendritic macromolecule and transition metal complex.

  在树枝状高分子和过渡金属配合物研究的基础上提出本课题的研究内容。