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They have close relationship as the former may provide new ideas and approaches for the later, while the later may be the simulation for the former and gives it helps in degradation products identification and mechanism explanation. It is necessary to choose a suitable system, which has high potential of treating EDs and close relationship to the natural environment, to combine the researches in the two aspects. Our group has been engaged in researches on the photochemical properties and application to water pollution control of different ferric species including Fe -OH complexes, Fe -polycarboxylate complexes, Ferric oxides and Fe -humic acid complexes. Fe -oxalate complexes system has higher efficiency than the other ferric species systems in photooxidation and degradation of organic compounds. This thesis is focused on the photodegradation of nine EDs estradiol (E2), estrone (E1), 17α-ethynyl estradiol (EE2), diethylstilbestrol , bisphenol-A , 4-Nonylphenol , 4-Octylphenol , di-n-butyl phthalate , and di (2-ethylhexyl) phthalate .

因此从处理效率和环境化学意义两方面考虑，结合本课题组在不同铁形态（包括Fe-OH配合物、Fe-多羧酸配合物、Fe氧化物、Fe-腐殖酸配合物等）的光化学特性及其在水污染控制中的应用方面较系统的研究工作基础，本论文选择了四类共9种典型的内分泌干扰物（雌二醇（E2）、雌酮（E1）、17α-乙炔基雌二醇（EE2）己雌酚、双酚A、壬基酚、辛基酚、酞酸二丁酯和酞酸二乙基己基酯），研究了它们在Fe-草酸盐配合物体系中的光降解效果，推测其降解机理，探索环境内分泌干扰物光氧化处理的新体系，同时为预测其在环境中的光降解行为提供了依据。

Excel in line of force can maintain goods seam place is firm and close together, can bear the hot action of 200 ℃, be able to bear or endure saline be soiled is eroded, do not shrink bouncy, in damp environment, yarn diameter increases 24 ～ 28 ％, those who assured the pinhole inside the shoe is close-grained, of puissant yarn wet expansile more appropriate than filament at tailor shoe kind goods.

高强力线可保持制品缝接处牢固紧密，可承受200℃的热作用，耐盐渍侵蚀、不缩有弹性，在潮湿环境中，纱线直径增大24～28％，保证了鞋内针孔的密实，强力纱线的湿膨胀性比长丝更适宜于缝制鞋类制品。

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。

That music is very, very dear to me, is very close to my heart and sonatas32 by Faure and Franck and one of the most beautiful melodies33 called Meditation by Massenet, which I actually play on the piano and my daughter plays on the violin so it is you know, very close to my heart.

他的音乐为他赢来了尊重，同时也赢来了14次格莱美奖的垂青。

But, be in China, people pays close attention to a person not quite, they pay close attention to a flock of people.

当别人对你和你们产生这种心理的时候，你在人们心中的价值也就可以开始积累了。

Bishop Raffaello Martinelli, a close collaborator with Cardinal Joseph Ratzinger in the Congregation for the Doctrine of the Faith, was ordained by the Pontiff to lead the Diocese of Frascati, close to Rome.

方济各科波拉Franco Coppola为驻布隆迪大使，拉斐尔马尔蒂内利Raffaello Martinelli被当选为弗拉斯卡蒂主教，乔治科尔贝利尼Giorgio Corbellini蒙席被任命为宗座劳动办公室主任。

In this paper, tolerance analysis mainly relates to three methods, viz."Extremum Method","Statistics Method" and "method of Monte Carlo". The character of the "Extremum Method" is to calculate the limit dimension of the close loop according to every limit dimension of the composing loop in order to ensure an entire frogging character, and get the tolerance of close loop.

极值法"的特点从保证完全互换着眼，由各组成环的极限值计算出封闭环的极限尺寸，从而求得封闭环公差；"统计法的特点是从保证大数互换着眼，根据各组成环的实际尺寸在其公差带内的分布情况，按某一置信概率求得封闭环尺寸实际分布范围，由此决定封闭环公差。

Melee value below the selected units, a value of close bayonet fighting value, the value the greater the ability to force the more intense close fighting, we can note that some arms are born with fighting on the value of the military than the method The Fusilier, some arms natural fighting ability, but with the experience of growth, increased fighting soon, we can look at.

melee值，在选中部队下方，有个刺刀的值为近身搏斗值，该数值越大，部队近身格斗能力越强，大家可以注意到，有些兵种是天生就具备格斗值，比方法军的Fusilier，有些兵种天生格斗能力不强，但随着经验增长，格斗值增加很快，大家可研究一下。

Mrs. Gaskell has become her close friends, both close in the past.

盖斯凯尔夫人成了她的挚友，两人过往甚密。

China and Japan are very close geographically and historically, and they have a close relationship in their culture and economy.

中国和日本在地理上是邻近的国家，经济和文化交往历史源远流长。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。