动质量

在数值计算方面细致地考察了线性压缩机各参数，如动质量、弹簧刚度、频率响应以及声学负载等参数的影响，为实际模型的设计提供了参考。

Some parameter of linear compressor , such as moving mass , spring stiffness , working frequency and acoustic load , are investigated in detail in numerical analysis , and it provides some guidelines for designing an efficient linear compressor .

采用Lanczos方法提取试验台的各阶模态，通过计算数据分析指出，在不同动架质量的条件下，对试验台各阶固有频率的影响。

Extracting different order modal of the test-bed with Lanczos method , point out the affection of different conditions of the sensor and the mass of dynamic frame on each natural frequency order through analyzing computational data .

影响转子动平衡质量的因素及解决方法

The Factors to Influence Rotor Dynamic Balancing Quality and the Solutions

接着从学科的角度对各学科进行了分析，建立了弹道、气动、质量和发动机等学科的相应学科模型。

In the followed part , the models of mass , trajectory , impulsive and aerodynamic are created from the disciplinary view .

在企业层面，应加大科技创新的力度，以技术进步促动产品质量的提高与改进，增强产品质量管理意识。

At enterprise level , scientific innovation should be intensified . The management level should be improved and the awareness of product quality should be enhanced .

推导了基于气动-质量矩复合控制的气浮十字梁三自由度运动动力学方程，对纵向运动模型进行了数学仿真和实物实验。

In this paper , the three degrees of freedom dynamic equations of gas-floating crossbeam based on composite control of aerodynamics-mass moment are derived for the first time .

由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。

According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field .

由于直线电机的零传动特性，系统参数（动子质量、粘滞摩擦系数等）变化及外部干扰都将直接影响伺服系统的性能。

Due to its direct drive characteristics , system parameters perturbation ( load mass , vicious coefficient and etc ) and load disturbance will have a direct impact on its servo performances .

治疗后药物治疗组动物体质量增加百分比显著低于D-半乳糖组（6.23%，13.04%，P<0.001）。

The percentage of body mass gain after treatment in the DHEA-treated group was significantly lower than that in the D-galactose-treated group ( 6.23 % , 13.04 % , P < 0.001 ) .

分析平衡胶泥脱落产生原因，提出相应的预防措施，确保转子动平衡质量。

This paper analyzes the cause for dropping of the balance cement plaster , and presents the corresponding preventive measures , through which the quality of the dynamic balance for the rotor can be ensured .

由于并联机床的机械结构简单、动平台质量轻、模块化程度高、变通性强以及技术附加值高，被广泛应用在各个领域。

The parallel machine has many advantages , such as simple mechanical structure , light quality of moving platform , high degree of modularity , high flexibility , high value-added of technology and so on , so it is widely used in various fields .

仿真模型为关键部件及样机的研制提供了设计依据。（2）为满足系统对低动子质量、高发电效率及高可控性的要求，提出了一类新型的动圈式永磁直线发电机。

Simulation models can be used as design basis for the system and its key components . ( 2 ) To achieve the required high generating efficiency , low moving mass , and high thrust linearity , a novel moving coil PM linear generator was proposed .

根据Hertz碰撞理论和该模型，可对松动件碰撞质量进行计算。

The mass of the loose part may be calculated basing on Hertz theory and the model .

高能激光器气动窗口光束质量的评价方法探讨

Method of evaluating optical quality of aerodynamic windows for high energy lasers

用哈特曼法研究自由旋涡气动窗口光束质量

Study on the optical quality of the free-vortex aerodynamic window using Hartmann-Shack sensing

动不平衡质量不停机自动切除初探

Preliminary Exploration on Cutting off Dynamic Unequilibrium Mass Automatically with Non Stop Machines

论动体的质量与运动速度的关系

On the Mass - Velocity Relation of Moving Bodies

旋转机械动平衡校正质量的最小二乘迭代计算方法及其计算程序

The improved iterative least squares method and program for calculating balancing correction masses in rotating machinery

现役网架由于边界条件较为复杂，质量、阻尼较大，激励响应不充分等，降低动测信号质量。

During the service period of spatial truss , because of its complex boundary conditions , large weight and damping , and insufficiency of inspiration response , the quality of the dynamic detection signal decreases .

矩形截面形状效应的存在，使动水附加质量对深水桥墩不同方向上地震响应的影响有一定的差别。验证了进行深水桥墩抗震设计时考虑动水压力作用的必要性。

As a result of the effect of rectangular shape , the impact of hydrodynamic added mass on the deepwater pier seismic response in different directions has certain differences , which verify the necessity to consider hydrodynamic pressure for seismic design of bridge piers in deep water .

不同动水压力质量阵对面板堆石坝动力特性的影响同时这种方法也是制定切实可行的大坝施工组织方案、预测工程未来进展以及进行施工现场实时控制与管理的有效手段。

Influence of Different Hydro dynamic Pressure Mass Matrix on Dynamic Characters of Concrete Facing Rockfill Dams The results show the validity , the efficiency , and practicability of this method , which is a useful management tool for analyzing the construction processes of concrete facing rockfill dams in practice .

分析比较了3Slot（3S）和2Slot（2S）喷管结构的激光器的性能和气动介质对光束质量的影响。

With it , the performance and beam quality in 3 Slot ( 3S ) and 2 Slot ( 2S ) structure lasers were computed and analyzed .

应力波理论在动测锚杆锚固质量中的应用

Application of stress wave theory to dynamic measurement of bolt bonding integrity

一种气动传输粉体质量流量测量方法

A Method for the Mass Flowrate Measurement of Pulverized Material in Pneumatic Pipeline

气动工具制造过程质量控制与管理的研究

Research on the Quality Management and Control in the Process of Pneumatic Tools

地基承载力动测的附加质量法

Additive mass method measured dynamically foundation bearing capacity

曲轴动平衡当量环质量计算

The Mass Calculation of Crankshaft Equivalent Ring

在此基础上计算了螺旋槽径向轴承油膜刚度系数、阻尼系数和不涡动的转子临界质量。

The film stiffness coefficients , damping coefficients and critical rotor mass were calculated based on the pressure perturbation equation .

利用压电智能材料作为自感作动器对移动质量激励下的悬臂梁振动进行了主动控制试验，证实了压电自感作动器的信号分离方法和模糊自适应的振动主动控制策略。

The experiment for active vibration control of cantilever beam under moving mass is carried out by using smart piezoelectric material as self-sensing actuator .

为了满足电力系统对高可靠性的要求，在致力于提高传统操动机构性能、质量和可靠性的同时，可突破传统意义上的机构动作原理，研制和开发新型断路器操动机构。

In order to improve reliability , stability and security of power systems , investigations are continued to develop new operating mechanisms for circuit breakers .