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It was worth to note that the HI titer of monovalent vaccine immunized group challenged with the same type reached the peak earlier than that challenged with different type virus, whereas there was no such difference among multivalent vaccine immunized groups. It suggested that NDV immunogenicity among epizootic isolates and vaccine strains were also variable in some extent.

单价免疫组鸡对相同基因型NDV 刺激产生的回忆反应要比对具有不同基因型NDV 刺激产生的时间要早，多价灭活苗免疫组对抗原刺激产生的回忆反应基本相同，说明不同流行株在抗原性上存在一定的差异。

The main problems researched in the dissertation and achievements are as follows: The dissertation explains the science background and the theoretical and actual meaning of the task. The progress and the problems of the flow imaging technique are briefly explained. The advantages of electrical capacitance tomography are discussed. The paper discusses the formation and operating principle of ECT, and builds up the definite mathematical model by detail theoretical analyse, and establishes the Finite Element Model of the system by changing the finite boundary value problem of ECT into equivalence variation problem according to variation principle. On the basis of the FEM of the system, the paper builds the finite element model of the capacitance sensitivity field distribution and programs its finite element simulation software and proves the validity of the FEM of the ECT from different aspects. With the FEM and the qualitative analyse of the effect of each structural parameter of the capacitance transducer on its capability, this paper optimizes the structural parameters of the capacitance transducer, and obviously improves its capability. The compare of the simulated result with the static experimental result shows that the error of them is less than 0.9%.

其主要研究内容包括：阐述课题研究的学术背景及其理论与实际意义，概括总结出流动层析成像技术的发展现状和存在的问题，指出电容层析成像技术的优点；讨论电容层析成像系统的组成及工作原理，进行详尽的理论分析，以变分原理为基础，将ECT的有限元边值问题转换为等价的变分问题，从而建立系统的有限元模型；在系统有限元模型的基础上，建立敏感场的数学模型，编制有限元的仿真软件，并从不同角度证明电容层析成像系统有限元模型的正确性；利用有限元模型，定性地分析电容传感器各结构参数对其性能的影响，并对传感器结构参数进行优化设计，使其性能得到明显的改善。8电极ECT系统的仿真和静态实验结果的比较表明，它们之间的相对误差小于0。

By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage"s amplitude and phase caused by the different values of the inverter"s component. It is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase.

其次通过理论、仿真和实验分析了本文所采用的电压电流双闭环瞬时控制方式逆变器的等效输出阻抗和两台逆变器器件差异对输出电压的幅值差和相位差的影响，从而得出选用一定精度的器件，两台逆变器输出电压的幅值差比相位差大得多的结论。

The results showed that under different doses the hemolytic index of the gelatin microspheres was lower than 5%, so it did not have significant toxicity; primary skin irritation test showed there were no erythema, eschar and edema of 10% florfenicol gelatin microspheres injection; the LD50 of the microspheres was 2.226 7 g/kg and its 95% credibility limit was 1.950 2~2.635 6 g/kg.

实验结果显示，不同剂量的肺靶向氟苯尼考明胶微球注射剂的溶血指数均小于5%，无明显毒性；10%氟苯尼考明胶微球注射剂对受试动物皮肤无明显刺激作用；肺靶向氟苯尼考明胶微球对小鼠的LD50为2.226 7 g/kg，LD50 95%的可信限为1.950 2 ~2.635 6 g/kg。

The residual activity of AChE under the different concentration of DDVP and propoxur reduced faster than that of eserine.

DDVP和毒扁豆碱抑制40min，抗性家蝇AChE活性的减小幅度明显大于敏感家蝇，而残杀威对敏感和抗性品系的抑制，差异不大。

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。

They evaluated 10 different UK studies involving more than 1,200 people.

他们评估了不同的英国研究，涉及1200多人。

The analysis of genetic diversity between different chromosomes showed that the polymorphic loci distribution of Chr.6,Chr.9 and Chr.11 was evener and the polymorphism information content was also more than others chromosomes.

不同染色体间的遗传多样性分析结果表明，Chr.6、Chr.9、Chr.11三条染色体的多态性位点分布较均匀且多态性信息含量也较多，整体遗传多样性丰富程度高于其他染色体。

The results show that the effective exchange integral values are less than zero under different conformations, so the radicals display the anti-ferromagnetic coupling.

结果表明，不同构象下各体系有效交换积分值都小于零，自由基间表现为反铁磁性耦合。

In this paper, the theoretical tools to solve the problem is the Christology of "Christ as a witness to testify to the truth". In this new inclusivism, rather than pluralism and exclusivism, the author put a hope that there is a harmonious and constructive situation between different religious traditions.

本文解决问题的理论工具是"真理见证论的基督论"，作者把实现不同宗教传统之间的建设性的和谐的希望寄托在这种新型的兼容论，而非多元论和排他论。

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