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1)  high frequency group pulse
高频群脉冲
1.
The influence of frequency to the inter-electrode gap in high frequency group pulse electrochemical machining;
高频群脉冲电化学加工中频率对极间间隙的影响
2.
The phenomenon of pressure wave in the high frequency group pulse electrochemical machining(HGPECM) was clarified.
阐述了高频群脉冲电化学加工中的压力波现象,并解释了频率通过压力波的作用向周围剧烈传播,对极间液流形成了很强的搅拌作用,从而改善电化学加工工艺的机理。
3.
Signal composition of the high frequency group pulse,influence of the frequency to the reversed current and the design of the cathode in the high frequency group pulse electrochemical machining(HGPECM) in the processing of ultrathin metal structure parts are discussed.
针对超薄金属结构件的电解加工问题,阐述了高频群脉冲电解加工(HGPECM)的信号构成、加工过程中频率对反向电流的影响以及阴极设计方法,并进行了工艺实验验证。
2)  HGPECM
高频群脉冲电化学加工
1.
This paper introduces the basic principle of higher frequency group-pulse electrochemical machining(HGPECM), analyzing emphatically the circuit detecting project and the short circuit protect measure in the machining process, and subsequently recommends the design of the circuit.
主要介绍了高频群脉冲电化学加工的基本原理,重点分析了加工过程中电流检测及短路保护措施及电路设计方案,其次介绍了待检测的电流信号形式及电子功率器件——绝缘栅双极型晶体管(Insulated-GateBipolarTransistor,IGBT)。
3)  high frequency pulse
高频脉冲
1.
Anode behaviour of high frequency pulse TIG welding arc;
高频脉冲TIG焊电弧的阳极行为
2.
A type of modulated high frequency pulse TIG power source with MOSFET as switch is introduced in this paper.
用场效应管作为功率开关元件的调制式高频脉冲TIG焊电源,该电源具有60KHz的开关频率,脉冲电流频率在0。
3.
A method for high frequency pulse measurement of high voltage triggered vacuum switch is introduced in this paper.
介绍了一种高压真空触发开关导通瞬间高频脉冲电压的测量方法,并构建了相应的测量系统。
4)  high-frequency impulse
高频脉冲
1.
To investigate the aging and failure mechanism of insulation materials under high-frequency impulse,the test of electrical aging and measurement of partial discharge is performed on nanometer hybrid polyimide film and non-nanometer polyimide film with different frequency and different aging time under high-frequency square impulse.
为了研究高频脉冲电压下绝缘材料的老化、失效机理,给变频电机绝缘结构设计提供理论基础,在高频脉冲方波条件下,对纳米和非纳米聚酰亚胺薄膜进行了不同频率和不同时间的老化及局部放电测试:通过扫描电镜研究对比了老化对2种薄膜表面及横截面形貌的破坏情况;分析比较了频率对2种薄膜局部放电参量(起始放电电压,平均放电量和放电次数)的影响。
5)  High-frequency pulse
高频脉冲
1.
This paper provides a design of power supply for electrolyzation strengthening treatment of high-speed-steel tools by theoretical study and circuit simulation,which has the characters such as simple circuit,low cost,high-frequency pulse and so on.
采用理论研究设计和软件电路仿真的方式,设计了一种电路简单、低成本、高频脉冲、大电流容量的高速钢刀具电解强化电源。
6)  high-frequency square pulse light
高频脉冲光
1.
Therapeutic efficacy of nanometer-high-frequency square pulse light technology targeting kidney cancer;
纳米-高频脉冲光技术靶向治疗肾癌的实验研究
补充资料:高频重组
分子式:
CAS号:

性质: 一个细菌株,由于其附加体(episome,例如F因子)的繁殖力因素整合于细长染色体上,因而具有高频率重组能力。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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