摩擦电的

Focused on many problems existing in pressure control system of drilling pipe friction welding,such as high failure rate and poor amenability,the basic principles of friction welding and electro-hydraulic proportional technique were briefly described.

针对焊接钻杆连续驱动摩擦焊机采用开关阀组成压力控制系统存在故障几率高、可控性差等问题，将电液比例控制技术应用在摩擦焊压力控制中，实现了摩擦焊轴向压力闭环控制、滑台进给速度的开环控制；可对摩擦焊机主轴速度、轴向压力、轴向缩短量、主电机电流、油温等进行实时检测。

We analyze the principle of stick-slip motion deeply. From foregoing analysis a result was made that dry friction is the main factor in influencing low speed capability of electro-hydraulic servo system. Dry friction must be compensated for improving the low speed performance. Then a nonlinear model with friction is set up and control methods is discussed.

深入分析了汽轮发电机转速不稳定的原因是由于电液伺服系统在低速区性能不稳定，而影响电液伺服系统低速性能的主要因素是干摩擦，要提高电液伺服系统的低速性能必须对摩擦力进行补偿。

The devices based on the triboelectric measuring principle are developed and produced by ourselves.

基于摩擦电原理的测量装置是由我们自己研发和生产的，其在不同工业上（如水泥工业，铸造厂，热电厂，焚烧工厂等）对烟尘排放的连续性监测不仅是定性的，还可以是定量的。

External sources of error can include leakage current from cables and fixtures, as well as currents generated by triboelectric or piezoelectric effects.

外部的误差源可能包括电缆和测试夹具的泄漏电流，以及摩擦电和压电效应产生的电流。

The main ESD function of these packaging materials is to eliminate or minimize the possible impact of electrostatic discharge created from triboelectric charging, direct discharge, and electrostatic induction fields

这些包装材料的主要 ESD 功能要除去或从摩擦电控诉被产生的静电解除的可能冲击，直接的解除，和静电归纳法领域减到最少

The main ESD function of these packagingmaterials is to eliminate or minimize the possible impact ofelectrostatic discharge created from triboelectric charging, directdischarge, and electrostatic induction fields

这些包装材料的主要ESD 功能要除去或从摩擦电控诉被产生的静电解除的可能冲击，直接的解除，和静电归纳法领域减到最少

Subsets of noise are AC power-related hum and buzz, electronic crackling, vinyl record clicks and pops, between-station radio noises, tape modulation noise, and the triboelectric cable effect.

噪音可分为交流电源产生的嗡嗡声、电器开关弹开声、塑胶磁带咔哒声、台间无线电噪音、调制磁带时的噪音、摩擦电效应噪音等几个不同的组。

The effect of metallic surface film and wear debris on the dry sliding behavior and self generated voltage of various metal metal systems was experimentally investigated on a specially designed ball on disc tribometer.

针对几种常用金属摩擦副，在球－盘式摩擦磨损试验机上考察了金属表面膜及其磨粒对其摩擦行为和表面自生电势的影响。

Several different types of solutions, including neutral, alkaline, acid one and a nonaqueous one were selected to explore their effect on the VCF phenomenon.

比较了几种不同类型的盐溶液、酸性溶液、碱性溶液和一种非水导电溶液对电控摩擦效应的影响。

The influences of concentration of SiCp, temperature, pH value of the plating solution and current density on ratio of the electroformed layer were studied.

研究在Q235钢表面上复合电铸铁基SiCp摩擦材料的制备工艺，探讨了镀液中SiCp的浓度、电流密度、pH值和镀液温度对电铸层中SiCp含量和电铸层性能的影响规律。

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。