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This paper gives out the principles and improving schemes of transformer discharge equipment and resonance booster discharge equipment. By detecting the current in the main circuit, the gap's breaking-down can be identified, and the single chip micro-computer will send out corresponding control signal to make the IGBTs to switch off or cut off the input voltage, by this mean, we can make sure that every time of the experiment, the sample will discharge only once. The paper also introduces the principle of the protection circuit. At last, the experimental waveforms were listed, which prove the feasibility of the high voltage discharge fast switch-off device.

该文给出了变压器和谐振升压器2种高压放电试验装置的原理以及改进方案，通过检测主回路电流大小判断间隙是否被击穿，由单片机发出相应控制信号，采用IGBT等开关器件控制试验电压的通断，保证了试品每次试验只进行一次放电，介绍了保护电路的原理，给出了试验波形，证明了此高压放电速断装置的可行性。

The principle is using thefast breakover of avalanche transistor drive the electron tube. The full time of 4200Vvoltage is about 20ns. The circuit can normally work under 100kHz frequencies.Design an extra fast Q-switch circuit by series arrangement of avalanche transistor.

本论文主要做了以下几方面工作：1、推导了重复率激光基本参数(脉冲能量、脉冲宽度和峰值功率)与周期的关系，并且分析了重复率激光系统运转的稳定性。2、设计了雪崩管-电子管退压电路，由雪崩管驱动电子管开关，4200V高压退压沿20ns左右，能够在100kHz频率下工作。

Breast-fed baby back slow, my baby is also a good time to fast one month

吃母乳的宝宝退的慢，我的宝宝也是快满月的时候好的

But as a new kind of breathalyser, more selective and sensitive than anyexisting device, it promises to become a fast, cheap screening tool.

但作为一种比现存其他装置更有选择性、更精确的新的呼吸测定计，它一定会成为一个高速、低价的检测工具。

Robert Louis Stevenson, one of the most undervalued authors in English literature, created in _Kidnapped_ a fast-paced adventure tale; a subtle examination of Scottish history and culture; and a pair of unforgettable characters -- the sensible young Lowland protagonist, David Balfour, and his "wild Hielandman" mentor, Alan Breck Stewart.

25日1999察：罗伯特路易斯斯蒂文森读者，其中最被低估作者英语文学，创造_kidnapped_高速历险故事；微妙审核苏格兰历史和文化；一双令人难忘的人物以及--明智低地年轻主人公，大卫贝尔福、"野生hielandman"指导员，艾伦冠名合演。

Fast Breeder Reactor can realize the breeder of nuclear fuel, and its intrinsic safety is very high, so it is one kind of t...

快堆可以实现核燃料的增殖，而且固有安全性很高，是最有发展前途的堆型之一。

" Fast breeder reactor" Related term:: What is the relevant term to improve my.

"快中子增殖反应堆"相关词条：：什么是相关词条我来完善。

The conclusions of this thesis have significant engineering reference value for the design, operation and safety analysis of Liquid Metal Fast Breeder Reactor .

本论文工作对于快堆的设计、运行和安全分析具有较大的工程应用价值。

Fast Breeder Reactor can realize the breeder of nuclear fuel, and its intrinsic safety is very high, so it is one kind of the most hopeful reactors.

快堆可以实现核燃料的增殖，而且固有安全性很高，是最有发展前途的堆型之一。

The more you use more fuel: fast breeder reactor - military technology - global military network - the most professional ...

越用越多的核燃料：快中子增殖反应堆-军事技术-全球军事网-最具专业。。。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。