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This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1～7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).

论文共分七章，主要研究内容和结论如下：1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度，从间苯二甲酸、间苯二乙酸到间苯二氧乙酸，以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发，在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1～7。

At first, this age-dating approach was used to estimate the age of G-dwarf stars with Th/Nd chronometry. Recently, it has been used to evaluate the age of halo field stars and globular cluster stars with the Th/Eu and U/Th chronometers.

这种方法最初是利用元素对 Th/Nd 来确定 G 矮星的年龄，近年来开始利用元素对 Th/Eu 和 U/Th 来确定晕族场星和球状星团内恒星的年龄。

The dacite cropping out at Jilusu on the northern margin of Qaidam basin has lots of adakitic features: SiO263.7%~64.3%, Al2O315.07%~15.27 %, MgO 3.47%~3.72 %, K2O/Na2O ratio is about 0.14~0.25, Y and Yb are both low: Y is 17.82×10-6~18.10×10-6, 17.96×10-6on average, and Yb is 1.47×10-6~1.55×10-6, Sr is high (527×10-6~537×10-6), HREE is depleted and Eu and Sr negative anomalies are relatively weak, but the content of MgO is higher than that of the typical adakite in the world.

在柴达木北缘吉绿素滩间山群火山岩中发现埃达克质英安岩，其主要地球化学特征如下：SiO26 3.7%～ 6 4.3%，Al2 O3 15 。0 7%～ 15 。2 7%，MgO 3.47%～ 3.72 %，K2 O/Na2 O 0 。14～ 0 。2 5 ，Y和Yb含量较低，Y为17.82× 10 -6～ 18.10× 10 -6，平均 17.96× 10 -6，Yb为 1.47× 10 -6～ 1.5 5× 10 -6，Sr含量较高，为 5 2 7× 10 -6～ 5 37× 10 -6，亏损HREE ，具弱负Eu和Sr异常。

Cobbled from the Greek eu and daimon ("spirit" or "deity"), eudaimonia means striving toward excellence based on one's unique talents and potential—Aristotle considered it to be the noblest goal in life.

这个词是希腊词eu和daimon拼接而成，它是基于个人独特的才华和潜质而朝完美努力--亚里士多德认为这是生命中最崇高的目标。

It was analyzed from Rayleigh law that the dependence of Eu doping content on the dielectric and polarization of PZT films.

利用瑞利定律对Eu掺杂引起的PZT薄膜介电和极化响应的变化进行分析。

From Oreja," European Trump Cards in a Game with Global Players: EU Audiovisual Policy", Munich,1997. My emboldening

From Oreja ，选自 Oreja：《全球玩家游戏里的欧洲王牌：欧盟视听产业政策文件》，慕尼黑（" European Trump Cards in a Game with Global Players： EU Audiovisual Policy"， Munich ，1997）

The energy transfer between dendrons and eosin or Eu~(3+) ion in solvent were investigated.

研究了各个树枝块与曙红，Eu~(3+)离子之间的能量转移情况。

Methods: 40 EU cases were studied.

我们研究了40位EU病例。

EN 1041:1998 This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directives 93/42/EEC and 90/385/EEC, as amended, with the exception of 3.3 and Annex B.

此文件根据欧洲委员会和欧洲自由贸易组织提供的CEN收到的要求进行制定，向EU指示93/42/EEC和90/385/EEC提供了必要的需求，如补偿，除了3.3和附件

Influence of Microwave on Phase Structures of SrAl_2O_4:Eu~(2+),Dy~(3+) and on Valence of Europium

微波合成对SrAl_2O_4：Eu~(2+)，Dy~(3+)晶相和铕的价态的影响

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐