transition metal
过渡金属：指具有两个电子壳层而不是一个电子壳层的金属元素
常用释义
英式发音
美式发音
基本释义
- 过渡金属：指具有两个电子壳层而不是一个电子壳层的金属元素，例如铬、铁和镍等。也称为过渡元素。
例句
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1·The catalysts can divide into two kinds: the transition metal bifunctional catalysts and oxycarbide catalysts of transition metals.催化剂可以分为两种：过渡金属双官能催化剂和过渡金属的碳氧化物催化剂。
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2·Explain what is the definition of 'transition metal'?请解释过渡金属的定义是甚么。
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3·Transition metal catalyst composition is discussed with emphasis.重点讨论了过渡金属催化剂的组成。
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4·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。
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5·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。
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6·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碱性测定。
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7·The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.研究了过渡金属催化的炔烃衍生物的异构化反应。
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8·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碱土金属与过渡金属离子之间的分离状况。
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9·The energy band structures were studied with the method of EHMO/CO for transition metal phthalocyanines.用EHMO/CO方法对过渡金属酞菁化合物的能带结构进行了研究。
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10·When the transition metal content increases, the carbon cage can break up and metal carbides are formed.当金属含量较高时，这种碳笼结构的金属富勒烯化合物转变为金属碳化物。