摩擦电的

The piezoelectric motor includes a piezoelectric member which generates a first vibration mode and a second vibration mode simultaneously by an applied power and a frictional member of which a portion is insertedly attached into a concave portion indentedly formed on one side of the piezoelectric member, wherein the frictional member is in an elliptic motion by the vibration generated by the piezoelectric member, so that an influence of the attachment of the frictional member to a resonance frequency can be minimized.

该压电电机包括：压电构件，通过施加的功率同时产生第一振动模式和第二振动模式；摩擦构件，摩擦构件的一部分插入地附着到凹入地形成在压电构件的一侧上的凹入部分中，其中，摩擦构件通过由压电构件产生的振动进行椭圆运动，从而能够使附着摩擦构件对谐振频率的影响最小化。

The triboelectrostatic beneficiation experiments have been done based on the research of floatability, dielectric constant and mineral components.

在对3种煤的浮沉性能、介电常数、矿物成分研究的基础上，进行了摩擦电选实验研究，应用摩擦电选技术结合喷煤系统的特点，进行炉前降灰具有工艺和技术的合理性，降低高炉喷吹用煤的灰分有利于提高煤比、降低焦比及生铁成本。

Background currents may be due to charge stored in the material, static or triboelectric charge, or piezoelectric effects.

背景电流可能是由材料中储存的电荷、静电或摩擦电的电荷或压电效应引起的。

Triboelectric charging occurs when two materials are separated after coming into contact with each other or any rubbing activities.

当二材料在接触到彼此或任何的摩擦活动之后被分开的时候，摩擦电控诉发生。

Triboelectric currents are generated by charges created between a conductor and an insulator due to friction.

摩擦电电流是由导体和绝缘体之间摩擦产生的电荷生成的。

Triboelectric effects: the creation of charge unbalance due to frictional effects when materials rub against each other.

摩擦电效应：当材料互相摩擦时，由于摩擦效应产生的电荷不平衡。

The universal research in microscopic tribological mechanism of contact, adhesion, friction, molecular-level solid-liquid interaction, tribochemistry, triboelectricity etc, in the interaction among goetmaterials or between goematerials and artificial materials during geomotion, were reviewed and analyzed.

2综述和分析了地质运动过程中普遍存在的微观摩擦机制如接触、粘着、分子级流体-固体相互作用、摩擦化学、摩擦电性等的研究概况，认为地质摩擦学的研究应具有宏观和微观两个层次，对地质运动的微观机制的研究将促进对地质材料的地球物理、化学和力学性质的研究，并有助于对各种尺度上的地质运动过程的理解

The finite volume method was adopted to discretize the governing equations. The effects of electrical potential, fluid ion concentration, electrical conductivity and the channel dimensions on the electrical double-layer profile, electroviscous effect and the friction coefficient were explored in detail.

采用有限容积法详细研究了通道壁面电势、流体离子浓度、导电率和通道几何特征对双电层、电黏性和摩擦系数的影响。

The friction and wear characteristics of aluminum-stainless steel composite conductor rail and collector shoe used in metro power supply were investigated on the rig with an electrical current applied across the sliding interface.

通过对销-盘摩擦磨损试验机的夹具和控制部分进行改进，研制出载流摩擦磨损试验装置，并采用该装置研究了地铁钢铝复合式第三轨与受电靴摩擦副之间的载流摩擦磨损特性，采用激光三维共焦扫描显微镜和电子能谱仪等微观手段，结合电接触理论分析了摩擦副的载流摩擦磨损机制。

Next, in ADAMS, friction coefficient database is set up, and dialog box for defining joint friction is extended based on analyzing joint friction in mechanical system, and the method of parametric analysis is discussed for analyzing manufacture errors influence on mechanism performance.

然后，建立了受电弓虚拟样机模型，基于该模型主要研究了运动副摩擦引起的升弓轨迹和升弓扭矩的运行误差；在ADAMS环境下建立受电弓的三维参数化模型，讨论了制造误差对受电弓升弓轨迹的影响。

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。