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This system was used for the determination of europium in the rare earth sample with satisfactory results.

采用标准加入法测定混合稀土样品中的Eu(上标 3+)，结果令人满意。

The detection limit of this method for europium is 22ng/L.

该方法测定Eu的检出限为22ng/L。

Photoluminescence spectrum of the final product exhibited strong luminescence from europium ion.

含有稀土配合物的微球展现出了Eu〓的荧光特征峰，具有良好的荧光性能。

The optimum experimental conditions were as follows: the excitation and emission wavelengths of the complex were 332 nm and 618 nm, respectively, pH=7.5, the concentration of europium ion was 1.2×10^(-5) mol/L, the surfactant concentration of SDBS was 3.0×10^(-5) mol/L.

最佳测定条件为：最大激发和发射波长分别是332和618 nm；pH=7.5；Eu(上标 3+)浓度为1.2×10^(-5) mol/L，SDBS浓度为3.0×10^(-5) mol/L。

According to the current research situation of biomechanics in eurythmics、developing trend of biomechanics and development requirement of eurythmics,this paper analyzes the application and developing trend biomechanics in eu- rythmics,though spoils biomechanics and experimental study method,in order to offer theoretical reference for sports practice of eurythmics.

运用多种运动生物力学的理论力学和实验研究相结合的方法，对艺术体操运动中的多个领域进行分析和研究，是运动生物力学在艺术体操运动项目中的研究发展趋势，以期为运动生物力学如何更好地结合艺术体操专项特点为艺术体操运动实战服务提供借鉴。

It is a first step that should lead to eventual EU membership.

该协议是最波斯尼亚终加入欧盟的第一步。

The shift is a triumph for the Kremlin, which has long and vehemently argued that the shield is aimed at neutralising its intercontinental missiles; Moscow had warned of a return to a cold war arms race, and threatened to deploy nuclear missiles in its Kaliningrad exclave, surrounded by EU states.

这种转变是克里姆林宫的一个胜利，长期以来克里姆林宫强烈认为导弹防御系统的目的是瓦解其洲际弹道导弹；莫斯科曾警告说重新恢复冷战时期的军备竞赛，并威胁要在欧盟成员国所包围的加里宁格勒飞地部署核导弹。

This is where China is exporting the most to EU and

这些也是中国出口到欧盟最多的产品

Part II reviews the history of extraterritorial application of EU competition laws and the expansion under the Merger Regulation.

本文将主要讨论合并规则域外适用的理论和实践，由此产生的法律冲突，以及几种可能的解决途径。

Lanthanides belong to the sixth cycle of the periodic table Ⅲ B family, are all solid metal, they are La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, holmium, erbium, thulium, ytterbium, and lutetium were 15 kinds of metals and their periphery are two layers of electronic 5d16s2, while the peripheral third layer f orbital but never zero to 14, so the external electronic structure of 4f0-145d16s2, and therefore these elements in oxidation number are to 3, very close chemical properties, extraction, when it is difficult to separate them they are mostly multi-element mineral mix, more difficult to increase refining, and their atomic number of 57-71, one by one to increase the number of protons the nucleus, and thus extranuclear electron of gravity is also growing, so that atomic radius decreases with increasing atomic number Z, which makes lanthanides contraction, ionic radius is also reduced, which also makes Zr, Hf, Nb and Ta, Mo and W, the atom and ionic radius very close to each other they also determine a similar nature, resulting in difficult separation, also the tribe Ⅷ of the fifth cycle, ruthenium, rhodium, palladium, and the sixth cycle, osmium, iridium, platinum is very similar in nature, thus The six elements, said platinum group elements.

镧系元素属于周期表第六周期中ⅢB族，全部是固体金属，它们是镧、铈、镨、钕、钷、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥共十五种金属元素，它们的外围两层的电子均是5d16s2，而外围第三层的f轨道电子却从零增加到14个，所以外围电子结构为4f0－145d16s2，而使这些元素氧化数均为＋3，化学性质极为接近，提炼时很难分开，它们的矿石又大多是多种元素混在一起的，更增加提纯难度，它们的原子序数为57－71，核内质子数逐个增加，因而对核外电子引力也不断增强，使原子半径随原子序数Z增加而减小，这就使镧系元素收缩、离子半径也缩小，这也使得Zr和Hf，Nb和Ta、Mo和W等原子和离子半径都很接近、也决定了它们彼此性质类似，以致难以分离、也使第Ⅷ族中第五周期的钌、铑、钯和第六周期的锇、铱、铂在性质上极为相似，因而称这六个元素为铂系元素。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。