high frequency drilling

用法例句

Anode behaviour of high frequency pulse TIG welding arc;

高频脉冲TIG焊电弧的阳极行为

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。

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。

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。

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。

Design of Internal Pressure Estimation System of Vacuum Circuit Breaker Based on High Frequency Impulse Current Method;

基于高频脉冲电流的真空度检测系统

Design of the High Frequency Pulsed Power Supply on AT89C2051;

基于AT89C2051的高频脉冲电源设计

Research on Controllable High-Frequency Pulse Welding Power Source

高频脉冲能量可控式焊接电源的研究

Realization of High Frequency Pulse D. C. Link Soft-switched Electronic Load

高频脉冲直流软开关电子负载的实现

Study on Principle and Technical Characteristics of High Frequency Pulsed Arc Welding Inverter

高频脉冲弧焊逆变器原理与工艺性能的研究

Study on the Ni/nano-SiC Composite Coating Made by Fast Frequency Pulse Electroplating;

高频脉冲电镀镍基纳米SiC复合镀层的研究

Development of High Frequency Pulse Power Supply for ECM and Technical Test;

高频脉冲电解开关电源研制及工艺试验

The Study of Therapeutic Efficacy of the 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

Study on Mechanical Performance of High Frequency Pulse Electroforming Ni-Co Alloy;

高频脉冲电镀镍钴合金机械性能的研究

Investigation of the Corrosion Resistance of Ni-Co Alloy Plated by High Frequency Pulse Currents;

高频脉冲电沉积镍钴合金耐蚀性的研究

Development of Visible Light Reliable High Frequency Pulse Target Generator;

可见光稳态高频脉冲目标发生器的研制

3kVA Three-phase Aviation Static Inverter with High Frequency Pulse DC Link;

3kVA三相高频脉冲直流环节航空静止变流器

Development of 250KHz and 2000 Voltage Asymmetric Waveform Power Supply;

2000V高压250KHz高频非对称脉冲电源设计

Study on High Frequency Short Pulses Electrochemical Polishing (HSPECP) of Aluminum Alloy;

铝合金高频窄脉冲电抛光的工艺研究

Research of High Repetition Rate Nanosecond Pulsed Power Supply;

高重复频率纳秒级陡脉冲电源的研制

The Investigation of the Mechanism of High Frequency Short Pulse Micro-Electrochemical Machining;

高频窄脉冲微细电解加工机理的研究

High-Frequency Pulse Solid-State Laser Deep Engraving Technology Research

高频率脉冲固体激光深雕刻技术研究

80 K HIGH-FREQUENCY NONMAGNETIC AND NONMETALLIC PULSE-TUBE CRYOCOOLER

80K高频无磁非金属脉冲管制冷机