查询词典 dissertation

In this part, this dissertation particularly describes how the incidence of VAT and consumption tax depends on the factors such as the elasticity of supply and demand, the scope of collect tax and so on.

并指出由于我国商品课税设计归宿和经济归宿所存在的差异给经济效率和收入公平分配等方面带来的不利影响。

The study of dynamic interaction of foundations and grounds on half space is of great value to the development of the elastodynamics and is helpful on physical geography, seismography, and rock and soil mechanics, owning practical.This dissertation is based on the practical saturated governing equations of elastic waves in saturated soils established by Longzhu Chen,ect.

半空间上地基与基础的相互作用问题不仅对于弹性动力学理论的发展有重要的学术价值，而且在地球物理学、地震工程及岩土力学等工程问题中均具有重要的现实意义，有着广泛的应用前景。

The dissertation presents a mathematical modeling approach for the high-speed flexible linkage mechanisms equipped with bonded piezoelectric sensing/actuating elements employing a mixed variational approach with Hamilton's principle in conjunction with the finite element formulation. This model includes both the terms coupling the elastic and rigid-body motions of linkage mechanisms and the terms coupling the elastodynamics and piezoelectricity of the elements, incorporating their effects upon the mass and stiffness matrices which are in general non-symmetric.

本文以国家自然科学基金资助项目《弹性连杆机构有害振动的主、被动控制及混合控制研究》（资助号：59605001）和广东省自然科学基金项目《开链及闭链机构有害振动控制研究》（资助号：970381）为依托，对高速弹性连杆机构振动的主动控制中的建模、求解、控制律的选择、作动/传感元件的优化以及实验研究等几个关键问题进行了比较深入细致的研究，取得了一些具有重要理论意义和重大实际应用价值的成果。

Based on the finite element method, a new algorithm for evaluating the sensitivity of electric field intensity to geometric parameters of the electrode system is presented in this dissertation.

本文在电场计算的有限元方法基础上，提出了目标函数对几何参数灵敏度计算的一种新方法，并推导了有关的公式。

Based on the finite element method, a new algorithm for evaluatingthe sensitivity of electric field intensity to geometric parameters of theelectrode system is presented in this dissertation.

本文在电场计算的有限元方法基础上，提出了目标函数对几何参数灵敏度计算的一种新方法，并推导了有关的公式。

At the end of this dissertation, it forecasts the application of the E-nosebased electric fire monitoring system and its research directions in the future.

在本文最后，展望了电子鼻电气火灾监测系统的应用前景及其发展趋势。

In the dissertation,the author describes the principle of intelligent electric meter,the data transmission protocol between the collector and the master computer, and so on.

论文同时描述了智能电表采集器的原理，并对集中器与主站系统的数据传输规范作了说明。

The research project of this dissertation is an association item of Xi'an Jiaotong University and Japan Society of Applied Electro...

本文所研究的课题是西安交通大学与日本应用电磁学和力学学会的联合研究项目。

The main innovation contents in this dissertation are as follows:For the first time, membrane electrolytic method was used to prepare high-purity nickel chloride solution for producing special nickel powder in a membrane electrobath designed ourselves, and with choosing anion membrane.

本文的主要创新内容有：首次采用膜电解电溶法制备高纯氯化镍溶液，通过阴离子交换膜的选择，在自行设计的膜电解槽中控制适当的电解条件，制备出满足生产特种镍粉要求的氯化镍溶液。

The ultrasound-pulse electroforming process of Ni-CeO_2 nanocomposite deposits with excellent properties has been obtained through experimental research in this dissertation.

本论文通过研究，获得了制备综合性能优异的Ni-CeO2纳米复合沉积层的超声—脉冲电铸工艺。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。