什么叫做过渡元素,过渡元素为什么都是过渡族金属元素素

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transition metals
毕业设计开题报告之稀磁半导体Zn(Mn)S薄膜的制备JSPvi_免费毕业论文网
稀磁半导体(diluted magic semiconductors, dms)是指非磁性半导体中的部门原子被过渡金属元素(transition metals, tm)代替后形成的磁性半导体,因兼具备半导体和磁性的性子,即在一种材猜中同时应用电子电荷和自旋两种自由度,
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transition metal elements
过渡金属元素
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transitional metal elements
过渡金属元素
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过渡金属元素
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transition metals
transition metal oxide
oxidation of interim metal
transition metals
transition metal isotopes
transition metal ion
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transitional metal ions
transition metal ions
transition element
&2,447,543篇论文数据,部分数据来源于
白蛋白分子的氨基末端(N端)是过渡金属元素(如钴,铜,镍)的结合位点(文献4)。
The amino terminal end (N-terminal) of the albumin molecule is a binding site for transitional metals such as cobalt, copper and nickel.
利用电感耦合等离子体质谱(ICP-MS)法分析了取自南沙南部陆坡的NS93-5钻孔沉积物的部分过渡金属元素含量的变化。
Contents of some transitive metals of the sediments of Core NS93 5 from Nansha Islands, South China Sea, are measured by inductively coupled plasma mass spectrometry (ICP MS).
得出了降低煤灰中高价的铝元素及高价过渡金属元素含量和提高低价活泼金属元素的含量都可以提高煤炭燃烧固硫效果。
The captured sulfur result may increase through decreasing high valence aluminum element and transition metals element content and increasing the low valence vivacious metal element content.
概述Ⅷ族 Fe Co Ni 铁系Ru Rh Pd Os Ir Pt 铂系最高氧化值不等于族序数。铁约占地壳质量的5.1%,居元素分布序列中的第四位。铁最高氧化态+6,常见氧化态+2和+3。钴和镍最高氧化态为+4,氧化态有+3和+2。酸性溶液中,Fe、Co、Ni离子稳定,空气中Fe被氧化为Fe;碱性介质,铁最稳定氧化态+3,而钴和镍的最稳定氧化态+2;在干态,Fe直接氯化却得FeCl3,因为Fe的第三电离势较小。Co和Ni同氯气反应不能生成三氯化物。Fe2+ + 2OH- Fe(OH)2 ↓;
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