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It introduces a kind of novel loading test system, based on the operation principle of damper. this loading system is operated by the driving motor. it realizes the loading, in that the damper has a negative drive force that puts on the motor. Based on the ordinary electromagnetic damper, the thesis presents a novel hybrid excitation electromagnetic damper which has adjustable work characteristic, analyses the working principle and structural feature of the electromagnetic damper, deduces the formulas to calculate the eddy current density through the Electromagnetic theory, analyses the distribution of the eddy current in the cotyloid rotor, and also studies the method of calculating the damp torque, establishes the mathematical model of the electromagnetic damper, analyses the relationship between the electromagnetic damper structural parameter and damp torque, researches the engineering design and analysis method of the electromagnetic damper, provides theory foundation for the design and analysis of the electromagnetic damper, contrives a hybrid excitation electromagnetic damper that satisfies the target request, designs a set of compound excitation electromagnetic damping loading control system whose control core is AT89C51 monolithic integrated circuit, analyses the electric circuit part, and carries on the experimental test to this set of electric circuits. Finally it debugs this electromagnetic damping loading system, this system satisfies the target request proposed.

论文提出了一个全新的加载测试系统种类，该加载系统是在阻尼器工作原理基础上，利用电动机拖动阻尼器运转，从而阻尼器产生一个与运动方向相反的阻尼力矩，该力矩作用在电动机上实现对电动机加载测试；同时，论文在一般电磁阻尼器基础上提出了一种新型的可调式复合励磁电磁阻尼器结构，该种阻尼器的工作特性在一定范围内可进行调节；论文分析了电磁阻尼器的工作原理和结构特点，运用电磁场理论分析推导了电磁阻尼器的涡电流密度公式，分析了涡电流在转子杯内的分布图，并对阻尼力矩计算方法进行了研究，建立了电磁阻尼器的数学模型，分析了电磁阻尼器结构参数和阻尼力矩之间的关系，对电磁阻尼器的设计和分析方法进行了研究，为电磁阻尼器的工程设计建立了理论基础；设计了满足技术指标要求的复合励磁电磁阻尼器和一套以AT89C51单片机为控制核心的复合励磁电磁阻尼加载控制系统，对该控制系统硬件电路各部分进行了分析和设计，对软件进行了设计，并对控制电路进行了试验调试，该系统满足所提出的加载指标要求。

Firstly, the recombinant engineering technology related vaccine preparation was set up, including: 1. the gene knock-out based on linear DNA target molecular in vivo; 2. the selection and counterselection technology of exogenous gene knock in definite site on chromosome; 3. the Gap-repair clone technology in vivo; 4. the recombination technology of single-chain DNA and the overlapping primer; 5. Set up the new selection and counterselection technology of neo-E.

本研究首先建立与疫苗制备相关的重组工程技术包括：①基于线型DNA打靶分子的大肠杆菌体内基因剔除技术，②选择与反选择外源基因定位敲入染色体上特定位点技术，③Gap-repair体内克隆技术，④单链DNA重组技术和重叠引物介导的DNA重组技术，⑤建立&抗生素-酶切位点&选择反选择技术新技术。

The issues are best parted into two cumuli: a set of "public" arguments about how to regulate Google; and a set of "private" ones for Google's managers, to do with the strategy the firm needs to get through the coming storm.

争论被分为两大阵营：一些&公开的&关于如何监管谷歌的观点，另一些是&私下的&，关于谷歌的管理者该如何为公司制定策略以渡过即将到来的&暴风雨&。

The issues are best parted into two cumuli: a set of "public" arguments about how to regulate Google; and a set of "private" ones for Google's managers, to do with the strategy the firm needs to get through the coming storm.

一类关于如何对谷歌如何监管的&公众&争论；和一类针对谷歌管理者来说的&私下&争论，关于如何在经历这场即将到来的风暴公司所需采取的策略。

The issues are best parted into two cumuli: a set of "public" arguments about how to regulate Google; and a set of "private" ones for Google's managers, to do with the strategy the firm needs to get through the coming storm.

这些问题最好分成两大部分：首先是对于如何监管谷歌所展开的&公开&争论；其次是针对谷歌管理层关于公司为抵御来袭风暴而需施行的策略的&私下&论辩。

The issues are best parted into two cumuli: a set of "public" arguments about howto regulate Google; and a set of "private" ones for Google's managers,to do with the strategy the firm needs to get through the coming storm.

争论的焦点可以非常恰当地分成两块堆积云：一块是讨论如何调整谷歌公司的&公众&讨论；另一块是为谷歌的管理者出谋划策的&私营&业主，他们认为谷歌需要采取策略躲过即将来临的暴风雨。

There is a set of 300000 T/Y normal decompressing line of advanced level and a set of 100000 T/Y catalyze and cracking equipment.

公司拥有一套生产工艺先进、自动化程度高的年加工原油能力为30万吨/年常减压装置和一套自动化程度达到国际先进水平的10万吨/年催化裂化装置。

Dehumidify process is in fresh air handle unit, way to set up components influences the result of avoiding growth of microbe in HVAC system, thus way to set up components in fresh air handle unit is discussed.

湿度优先控制系统的除湿过程在新风机组内进行，新风机组内各部件的设置对系统防止微生物滋长的能力有重要的影响，因此本文中对新风机组的设置进行了分析。

Open heating in winter, you first check what is strange outdoor unit, using the time Your settings may be a problem, not just the temperature setting, do not set to dehumidify the state, the temperature should not set too high.

冬天开暖气，你先检查一下室外机有什麽异样，使用的时候你的设置可能有问题，不仅仅是温度的设定，不要设成除湿状态，温度也不要设的过高。

Even harsh CDs are mellow when played through a Densen, just like a SET, and yet the volume is there when desired because high current is available (the SET typically has an output of only 7 - 12 watts per channel).

甚至苛刻碟圆润通过电线时起，就像一个SET，然而卷是有需要的时候，因为可以用大电流（典型的套有一个只有7输出-每声道12瓦）。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。