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In the third chapter, the ultrastructure of cercaria is introduced, the feasibility of using high-voltage pulsed electric field to eliminate schistosome is discussed, elimination mechanism of high-voltage pulsed electric field is researched and the factors which affect the elimination effect are analyzed.

第三章主要介绍尾蚴的超微结构，探讨采用血吸虫尾蚴高压脉冲电场杀灭技术的可行性，研究血吸虫尾蚴高压脉冲电场杀灭技术的机理，分析影响杀灭效果的电场参数、处理环境和生物特性因素。

It is the most powerful means of eradicating schistosomiasis. Current method of elimination cercaria is mainly the chemical method which has many disadvantages such as drug resistance, drug dilutedness, environmental pollution and poisoning the other biology, etc. For these reasons, this paper poposed a new method of elimination through high-voltage pulsed electric field, discussed the feasibility of the new method, studied the elimination mechanisms of using different forms of electrodes, analyzed various factors which influences the effect of elimination and introduced the structure of high-voltage pulsed electric field system at the stage of laboratory. Moreover, this paper showed the security problems that should be considered during the research and experiment.

针对常用的化学药物杀灭法存在的易使尾蚴产生抗药性、水域宽广致使药效降低、污染环境、毒杀其它生物等弊端，本文提出了一种利用高压脉冲电场杀灭血吸虫尾蚴的新方法，探讨了这种电子杀灭方法的可行性，分别研究了采用锐形电极和平板电极的血吸虫尾蚴杀灭机理，分析了影响尾蚴杀灭效果的各种因素，介绍了实验阶段血吸虫尾蚴高压脉冲电场杀灭系统的构成，指出了系统研制和试验过程中需要充分考虑的安全性问题。

The car is after the use through period of time, the metropolis on the chapiter of column of general storage battery collects not little oxide, these material meet those who affect electric current pass, cause electric power possibly below chilly climate to be not worth.

汽车在经过一段时间的使用后，一般电瓶柱的柱头上都会聚集不少的氧化物，这些物质会影响电流的通过，在严寒气候下可能造成电力不足。

The first part summarized Olympic Games and the electric car present situation, and including some national electric car's sculpt characteristic and future development direction.

第一部分概述奥运和电动车的现状，以及部分国家电动车造型的特点及未来发展方向。

Electric current: Movement of electric charge carrier s.

电流：带电亚原子粒子、离子或空穴等荷电粒子的运动。

The full study on electric-field effects coupled with magnetic field effect and the charge carrier mobility in these materials at electric field seems to be lacking.

目前人们对巨磁阻材料中的场致电阻效应产生的机理以及在电场下巨磁阻材料中的载流子迁移率的行为还缺乏充分的研究。

Based upon the finite element method, the minimum energy method and electric charge conservation method are used to calculate electric field intensity distribution of the cable which contains suspending conductors.

本文采用有限元方法计算分析了有悬浮导体的电缆附件的电场强度分布，在可视化单连通域有限元前处理的基础上，补充完成了含有悬浮导体的可视化有限元前处理的研制工作。

Dept. of Electric Power Engineering,North Chian Electric Power University,Beijing 102206,China

山东电力研究院，山东省济南市 250002；2。华北电力大学，北京 102206

Having introduced a set of dimensionless parameters, the spatial distributive function of the induced electric field is made dimensionless and is applied to the computation and computer simulation of spatial distribution of electric field induced by a circular coil within half-infinite space.

在确定了一些无量纲参数后，对感应电场的分布函数进行无量纲化，并用于计算圆形线圈在半无穷空间感应电场的计算及其分布的计算机仿真。

Having introduced a set of dimensionless parameters, the spatial distributive function of the magnetic field and the induced electric field is made dimensionless and is applied to the computation and computer simulation of spatial distribution of the magnetic field and the electric field induced by a circular coil and a 8-shaped coil based on MATLAB.

在确定了一些无量纲参数后，对磁场及感应电场的分布函数进行无量纲化，并用于基于MATLAB环境下圆形、8字形线圈磁场及产生的感应电场的计算及其分布的计算机仿真。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。