动平衡

According to the law of mass moment of inertia and of momentum moment, the conditions for the complete dynamic balance of rotor inertial forces and moment of inertia in the rotary piston vacuum pump are put forward, with the rotor movement in single cylinder analyzed as basis.

根据质量矩定理和动量矩定理对单缸滑阀真空泵的转子运动状况进行了分析，分别提出了转子惯性力和惯性力矩完全动平衡的条件。

The main research object in this dissertation is helicopter blade dynamic balance experimental platform system.

本论文所属课题是直升机旋翼动平衡实验台系统设计，在本论文中主要对论文课题的背景和意义、共锥度测量系统的设计与实现以及控制系统和系统软件及数据处理等方面进行了介绍。

Finally, through the analysis of various factors affecting the dynamic model of hydro-generating, spindle system is simplified, the reasonable simulation platform of turbine rotor dynamic balance system is constructed, in which nonlinear oil film is incentive.

最后，通过分析判断动力学模型的各种影响因素，对水轮发电机组主轴系统进行了简化，将非线性油膜力作为激励，构建了合理的水轮发电机组转子系统动平衡仿真平台。

This paper designs the vibrating road roller with a special structure of dynamic balance.

本文设计了具有特殊动平衡结构的振动压实机，综合了振动压路机和冲击压路机的优势，既可以实现冲击压实的高压实度，又可以保证压实路面的平整度和均匀性。

This paper is concerned with the condition monitoring and rotor balancing.

本文主要研究转子的状态监测与现场动平衡技术。

The differential system and pulse polarity discriminating system is improved and the hardware are made which is adaptive for the on-line detection system. The pulse polarity can offer control signal for follow-up sampling unit to do some signal digital processing.

并应用改进的差动平衡法和极性鉴别法研制了抗干扰系统，实验证实该抗干扰系统提高了整个检测系统的抗干扰能力，有利于后续系统对信号做进一步的处理。

Dynamic balancing; Vibration system; Flexure hinge; Instantaneous motion center; Plane separation; Force relation; Modal analysis; Empirical modal decomposition; Adaptive lattice notch filter; Phase difference correction

工程科技II，工业通用技术及设备，声学工程动平衡；振动系统；柔性铰链；瞬时运动中心；平面分离；关联效应；模态分析；经验模态分解；自适应陷波；相位差校正

Strict tested by static and dynamic balance ,it will be steady and have uniform velocity at high speed

严格的静、动平衡检测，高速运转平稳匀速。

The gloss cylinder's steam pressure can reach 0.8MPa, above 4 levels of dynamic balance.

该系列光泽缸的蒸汽压力可达0.8MPa，动平衡G4级以上。

Then introduce how to choice machine, machine tool, toolholder, balance tool, tool safety, cutting parameter and cooling.4 Grouping clamp is one of the most important in the grouping technology. The grouping clam influences the effect of grouping technology. Author analyses the characteristic of designing grouping clam.5 The result has applied to the works, it validates the correctness of research.

在本文中从机床选取、刀具选取、刀具夹紧方式的选取、刀具动平衡、刀具安全性、切削用量的选取以及冷却技术等方面进行介绍。4、成组夹具是实现成组加工的有利保证，夹具的好坏直接关系到成组加工效果，本文分析了成组夹具设计特点，介绍一种孔加工成组夹具。5、以上成果已应用到生产中去，取得了显著效果，验证了研究的正确性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。