查询词典 rare earth

Using 1,3-dicyanobenzene as a precursor, we have obtained two coordination polymer of rare earth metal bridged by isophthalato ligand, Eu complex (4) and Sm complexe coordinated (5). X-ray single crystal diffraction investigation confirms that complex 4 and 5 are isomorphous with near isostructural 〓 unit.

以1，3-苯二氰为前体，合成了两个新的稀土金属与间苯二甲酸根配体桥联的聚合物：间苯二甲酸根配体配合的铕和钐化合物，4和5.X-射线衍射结构分析表明化合物4和5均具有〓基本结构单元且两者结构类似。

The influence of one of rare earth element lanthanide on the organic chromium accumulation of grifola frondosas was investigated.

本文在部分文献的基础上研究了稀土元素之一的镧元素对灰树花菌丝体富集有机铬的影响。

The thirty rare earth elements are composed of the lanthanide and actinide series.

三十个稀土金属是稳定的La系和Ac系元素。

While roughly a third of US oil comes from such unstable places as Nigeria and the Middle East, rare earth metals known scientifically as lanthanides, are controlled almost exclusively by China.

尽管美国将近三分之一的石油来自奈及利亚和中东这一类不稳定的区域，可是元素名称为镧系元素的稀土金属，却几乎完全是被中国垄断了。

The use of lanthanides in organic chemistry and in organic synthesis has attracted broad interest recently because of the unique reactivities and selectivities exhibited by compounds of these rare earth elements.

标题： Lanthanides：化学和在有机的综合过程中使用化学と有機的な総合的な過程の中に使用します在有机化学方面的使用lanthanides，因为独特的reactivities，在有机的综合过程中最近已经吸引宽的兴趣，选择性被这些稀土元素的化合物展览。

Chose this theme because of the rare earth ions in clinical practice has been widely used, for example, chronic renal failure in a mixture of lanthanum and cerium in the treatment of the role of burn treatment.

选择这个主题的原因是因为稀土离子在临床上得到了广泛的应用，比方说镧混合物在慢性肾衰竭治疗以及铈在烧伤治疗上的作用。

The effect of rare earth-element lanthanum and copper on micronuclei and nuclear anomalies in erythrocyte s of H.

研究了稀土元素镧与铜离子单独或联合作用时，对鲹鲦红细胞微核及核异常的影响。

We have determined the contents of 13 rare earth elements by ICP-MS in the leaves stems of wild liquidambar formosana which grows in the mountain areas of central Hainan Island.

应用 ICP- MS测定了海南中部山区野生枫香中稀土元素的含量，讨论了其分布区间尺度，稀土元素总含量中占有最大比值的是 Ce，为 33.14%，其次是 L a、Nd。

Ferromagnetic materials include iron, nickel, cobalt, some rare earth metals and some 平共处 of their alloys(e.g., Alnico), and some naturally occurring minerals such as lodestone.

铁磁类的材料包括铁，镍，钴，一些稀有金属和他们的合金，还有一些天然的矿石，像磁铁矿。

The luminescent mechanism, applications and problems in application of rare earth complexes were summarized in the paper.

本论文综述了稀土配合物的发光机理、应用范围及存在的问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。