稀土金属

Ionic Radius Scale of Establishing Synthesis Factor of Ionic Mass and Electricity;2. Determinat ion of Fluoride in Sea Food and Meat by Ion Chromatogram;3. Determinat ion of Sulfuric Acid Mist in Air by Ion Chromatography

Er离子和Yb离子钙离子和离子离子等离子体"离子束，离子簇"离子-离子发射离子-离子复合离子液体等离子体 Mg2+离子金属离子稀土离子离子交换锌离子铜离子铅离子再制造工程和技术

The synthesis of bimetallic complexes containing lanthanocenes was studied.

2对含有稀土的双核茂金属化合物的合成进行了试探性研究。

The structure of 9 exhibits a two-dimensional layer structure, in which Dy2O2 dimer serves as the building block.

化合物8为首次发现的稀土柠檬酸配合物修饰的双缺位Keggin型多金属氧簇化合物。

The application of dysprosium in NdFeB permanent magnet,rare earth giant magnetostrictive material,magneto optical recording media and other rare earth functional materials were introduced.

综述了金属镝的制备工艺及提纯方法；介绍了镝在钕铁硼永磁合金、磁致伸缩材料、磁光记录材料等新型稀土功能材料中的应用情况；讨论了金属镝的研究、开发、工业化生产等方面的问题，并提出了相关建议。

A metallic bond layer material added with rare-earth La used for a high temperature brazing CBN grinding wheel belongs to the technical field of metallic material engineering and relates to the technical field of superhard tool high temperature brazing.

一种添加稀土La的高温钎焊CBN砂轮用金属结合剂层材料，属于金属材料工程技术领域，涉及到超硬工具高温钎焊技术领域。

Result showed that tetrasubstituted calix [4] arenes in lower rim were stronger complex abilities than bisubstituted calix [4] arene with transition metal, heavy metal and rare earth ions. But when introducing the aminephenolicalcohols in the 1, 3-bisubstituted calix [4] arenes, the complex abilities were improved.

结果表明：在Lower rim上四取代的杯[4]芳烃配体比1，3-二取代的杯[4]芳烃配体对过渡金属离子，重金属离子及稀土离子有更好的配位能力，但当1，3-二取代的取代基上引入醇胺链型配体时，对金属离子也有很好的配位能力。

A series of studies by using X-ray monocrystal analysis as the main methods on rare earth complexes with p-amino acids, heteronuclear complexes with a-amino acids and some complexes with different ligands were reported in this paper.

本论文以单晶X-射线衍射为主要手段对β-氨基酸稀土配合物、α-氨基酸异核金属配合物和以α-氨基酸为混合配体的金属配合物进行了较为系统的研究。

From the structural analysis of three praseodymium complexes, we could draw a conclusion that as the dentate arms of carboxyl group on ligands elongating, the coordination numbers of Pr and the coordination modes of ligands increase, and the mean distances between metallic atoms of metallic helices existing in these complexes augment.2. By altering 5-substituting group of isophthalic acid three series of lanthanide complexes 8～19 with 5-methylisophthalic acid and 5-nitroisophthalic acid have been prepared.

从得到的三个配体的镨配合物的结构分析可以看出，随配体的羧基齿臂的增长，Pr的配位数逐渐增大，配体的配位模式增多，配合物中存在的螺旋金属链中的金属间平均距离增大。2、通过改变间苯二甲酸配体的5位取代基，制备了5-甲基间苯二甲酸和5-硝基间苯二甲酸的三个系列稀土羧酸配合物8～19。

The normal method was through the hydrolysis and poly-condensation process of tetravalent metal alkoxides and inside which rare earth dopants are simply performed by dissolving salts into initial sol, thus makes matrices being introduced a higher percent of hydroxyl groups, affects the resulting luminescence efficiency and balance of two phases.

普通的方法为将稀土盐导入金属烷氧基化合物的溶胶然后水解缩聚，这使得金属离子分离的最小化过程受限以及含羟基过多，极大影响了发射效率和两相均衡。

Precious metal and rare metal reclaim use: Use at transferring the depart of metal and rare-earth element and rich collect; In rare earth at present mineral products is machined and Japan of respect of precious metal extraction has begun to apply.

贵重金属和稀有金属回收利用：用于过渡金属和稀土元素的分离和富集；目前在稀土矿产加工和贵金属提取方面日本已经开始应用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。