The influence of the nonlinear electromagnetic forces and mass eccentric forces on the dynamic characteristics of the hydro-generator rotor was analyzed. 分析了非线性电磁力和机械不平衡力对水轮发电机转子动态特性的影响。
A periodic malfunction due to electromagnetic pulse would not cause a mass recall, though some of the incidents were due to external electromagnetic interference. 因为电磁脉冲造成的周期性的障碍是不会引起年夜范围的召回的,尽管一些如许的变乱是因为外部的电磁干扰。
Electromagnetic mass and radiation damping 电磁质量和辐射阻尼
The electromagnetic mass is another effect of the time rate of change of radiant reacting force. 电磁质量是辐射反作用力变率的另一作用效果。
Shaking table tests of electromagnetic mass damper system for control of structural seismic response 电磁驱动AMD系统控制结构地震响应的振动台试验
Modern electronic engineers must take into account the electromagnetic compatibility ( EMC) of the electronic equipments, the predicting of EMC may solve the EMC problem before the products being made, It may save a mass of time and money. 电子设备的电磁兼容(EMC)是现代的电子工程设计人员进行设计时必须考虑的,电磁兼容预测把产品的电磁兼容问题解决在产品成型之前,可以节约大量的时间和费用。
Development of an electromagnetic vortex mass flowmeter 电磁式涡街质量流量计的开发
Control Strategies and Experiments of the Electromagnetic Mass Damper Control System for Structural Vibration 结构振动的电磁驱动AMD系统控制策略与试验
In this paper, a new control strategy based on pole assignment algorithm was proposed for structural vibration control using the innovative Electromagnetic Mass Damper ( EMD) control system. Besides, the effectiveness of this control strategy has also been experimentally verified through shaking table tests. 提出了结构振动的新型电磁驱动AMD控制系统,基于极点配置控制算法的控制策略,进行了结构模型地震响应控制的小型振动台试验,验证了所提控制策略的有效性。
In nature, the effect of the electromagnetic stirring on the characteristics of solidification is the comprehensive result of the heat, mass and momentum transport during solidification. 电磁搅动对凝固特性的影响实质上是导致凝固过程动量、热量及质量传输变化的综合结果。
Ultrasonic motor is different from traditional electromagnetic motor and it is driven by friction force. Its character of low speed, high torque, quick response and high power/ mass ratio and the quality of direct drive make it suitable for the application in the aerospace field. 超声波电机与传统电磁型电机不同,它是一种靠摩擦驱动的新原理电机,具有低速大力矩、响应快和功率质量比大等特点,能直接驱动,适合航天领域的应用。
A search for heavy particles of positive single charge in hydrogen and deuterium samples has been carried out, with an electromagnetic separator, by measuring the charge mass ratio of the particles. 在电磁分离器上用测量粒子荷质比的方法,在氢和氘样品中寻找正的单电荷重粒子。
The Dynamical Nature about Damping Force of Radiation and Electromagnetic Mass 辐射阻尼力和电磁质量的动力学本质
The variation of flavor components was controlled as well, and the electromagnetic flow-meter was replaced by mass flowmeter. 同时还应控制香料成分的变化,并将电磁流量计换为质量流量计。
Based on the previous theoretical modeling, series dynamical tests and control strategies of the innovative electromagnetic mass damper ( EMD) control system, the shaking table tests of the structural seismic response control using EMD were studied in this paper. 本文在此前一系列有关新型电磁驱动AMD控制系统力学建模、性能试验和控制策略研究的基础上,进行了结构地震响应控制的小型振动台试验研究。
Electromagnetic Field Energy Momentum Tensor in External Region of Charged Spherical Symmetric Mass 荷电球对称质量外部区域的电磁场总能量
Electromagnetic ( EM) energy-momentum tensor in external region of spherical symmetric mass in Melvin's magnetic universe is discussed, and distributional disciplinarian of electromagnetic energy is obtained. 对Melvin磁宇宙中球对称质量外部区域的电磁场能量动量张量进行了研究,给出电磁场能量的分布规律;
Recent studies of the electromagnetic mass of mesons 介子电磁质量研究新进展
Electromagnetic Mass Differences of Nucleons and △-Baryons in The Modified Skyrme Model 在修改的Skyrme模型中核子和△-重子的电磁质量差
Modeling and testing for electromagnetic mass damper and structure coupled system 电磁式惯性型作动器与结构耦合系统建模与试验研究
Objective To explore the effect of early administration of alendronate ( ALN) and pulsed electromagnetic fields ( PEMFs) on bone mass of rats after spinal cord injury ( SCI). 目的探讨早期应用脉冲电磁场(PEMFs)和/或阿仑膦酸钠(ALN)对脊髓损伤(SCI)后大鼠骨质量的影响。
Electromagnetic separating technology is mass disposal, strong separating force, wide used and none pollution. 电磁分离技术是一种处理量大、分离能力强、适应范围广、无污染的新型分离技术。
The mechanical model of an electromagnetic bearing used for controlling the vibration of a rotor with mass unbalance is established. 建立了电磁悬浮轴承的力学模型,对具有不平衡的转子的振动进行了控制分析。
Electromagnetic stirring ( EMS) utilizes the electromagnetic force that intensifies flow of molten steel. The flow improves the conditions of heat transfer and mass transfer and meets the requirement of thermodynamics and dynamics in ladle refining. 钢包电磁搅拌是利用搅拌器在钢液中产生的电磁力驱动钢包中钢液流动,这种流动能够很好改善钢包精炼过程中的流动、传热和传质条件,满足钢包精炼过程中的热力学和动力学要求。
The technology of electromagnetic propulsion is a leap in the fields of the propulsion technology in recent years. It has opened up a new avenue to meet the special requirements of propulsion, such as ultra high speed and big mass. 电磁推进技术的出现是近年来推进技术领域的一次飞跃,它为解决人们对超高速、大质量的推进要求开辟了一条新途径。
The influence on critical speed by gyroscopic effect, stiffness of guide bearing, imbalanced electromagnetic force, mass and rotary inertia of generator rotor and turbine runner, position of guide bearing is analyzed. In addition, dynamic response under imbalanced force is considered. 本文考虑了陀螺效应、导轴承刚度、不平衡电磁拉力、转子和转轮转动惯量、导轴承位置对主轴临界转速和振型的影响,也考虑了其在不平衡力作用下的动力响应特性。
The ideal electromagnetic wave absorbent is expected to possess the following properties: strong absorption, wide bandwidth, thin coating thickness and light mass. 理想的吸波材料应该具有强吸收、宽频段、厚度薄、质量轻的特点。