查询词典 dynamic system

In allusion to the lower measuring efficiency and inconvenience during the measurement of dynamic contact resistance of slip-ring, addressed improving methods for preventing the leads from intertwisting each other, and developed a measuring system for solving dynamic contact resistance measurement of slip-ring.

针对目前导电环动态接触电阻测量中由于导线缠绕导致检测效率低下、操作不便、不便较长时间观察导电环性能稳定性等问题，提出解决绕线问题的测量方法，并在此基础上研制一套导电环动态接触电阻测量系统，以解决动态接触电阻测量的技术难题。

The aims of this study are to investigate in depth the static and dynamic analytical methods for high rockfill dams on deep overburdens, especially the methods of how to dispose of the deep overburden and the interaction of the damreservoir-foundation system, of reasonable excitation means of the earthquake acting on the computational model, of artificial transmitting boundary in dynamic analysis, etc.

本课题研究的目的在于深入探讨深覆盖层上高土石坝的静、动力分析方法，特别是坝—地基相互作用中深覆盖层地基的考虑方式，以及针对深覆盖层上高土石坝的动力分析提出一种较为合理的地震动输入方式和在坝—地基系统的有限截断模型中引入恰当的人工边界等问题。

Low strain dynamic response theory is the basis of method in stress wave testing of anchorage system, which can be used to explain the dynamic reaction between anchor bar and surround rock, the mechanics of anchor bar stress wave testing.

锚杆—围岩结构系统的低应变动力响应理论是锚杆锚固系统应力波测试方法的理论基础，开展这方面的研究对于弄清锚固系统动测机理以及建立锚固体系损伤诊断和锚固质量评价具有十分重要的意义。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water pipe line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil balancing valves and automatic control valves, each fan coil outside the district office for personal use of a balance valve and automatic control valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一：多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱上安装平衡阀④在每个租户的出水口上安装平衡阀方案二：使用动态平衡阀①在末端装置风机盘管上安装平衡阀②在末端装置空调箱上安装平衡阀经过经济比较，最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀，外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil valves Valves and Controls, for personal use outside the district office for each fan coil unit and automatic control valve of a balance valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一：安全阀多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱上安装平衡阀④在每个租户的出水口上安装平衡阀方案二：使用动态平衡阀①在末端装置风机盘管上安装平衡阀②在末端装置空调箱上安装平衡阀经过经济比较，最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀，外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

By analyzing the flow-style working pattern,the technical mechanism integrated with production step balance, manufacturing resource group construction, dynamic production priority was presented. Manufacturing resource group allocating algorithm was put forward, which can smooth the requirement differences among the procedures. Computational method of the number of work-in-progress between the procedures with different processing time was constructed. The dynamic algorithm of selecting priority of part and machine was built. And a scheduling system was built which was authenticated with realistic case.

通过对流水式连续生产模式的分析，提出了基于节拍协调、成组制造资源以及动态优先级调整等策略的技术思路；提出了面向连续生产节拍均衡的资源组分配算法、适应前后序加工时间差异的压件生产额度计算方法，以及工件和设备选择优先级的动态调整算法；开发了调度软件系统，并通过实例进行了技术验证，形成了一种新型的离散制造环境下的流水式连续生产模式。

Depending on the structure of some type supercharged boiler in former Soviet Union,the main work of the dissertation was to analyse heat balance and dynamic characters of the flue gas and the steam water in supercharged boiler. Thermal characteristics on flue gas and steam water was analyzed. The boiler system mathematical model was built for dynamic simulation.

本文以前苏联设计的舰用增压锅炉为研究对象，在其结构型式不变的情况下，依据锅炉烟气侧和汽水侧的工作特点，对其进行热力特性分析，据此进一步分析增压锅炉热平衡，并对整个锅炉系统进行建模仿真，分析烟气侧和汽水侧的动态特性。

This paper introduced the mechanism of vibration in the process of deep hole boring ,developed a dynamic modal of the damping boring bar,optimizing the parameters of the damping system,analyzed the transient dynamic and harmonic response of the damping boring bar.

介绍了深孔镗削加工过程中产生振颤的机理，建立了减振镗杆的动力学模型，在此基础上优化减振系统的参数，并且对减振镗杆进行瞬态动力学和谐响应分析，分析结果表明该减振系统具有良好的减振性能。

The rubber seal issue under operating system has been studied by the theory of dynamic sealing. The deformation and stress distribution of rubber material were calculated under the well in-pressure and sealing out-pressure using then-linear finite element. Through the experimental study of the rubber strength and fatigue, the intensity limit and the fatigue life were obtained. According to the study results, a new type of sealing equipment was designed by adding the reinforcing steel bar into rubber core to reduce the maximum shear stress, so as to solve the problems of dynamic seal under hyperbaric pressure.

采用动态密封理论，针对带压作业系统中的橡胶密封胶芯问题，利用非线性有限元计算了在井压和密封外压作用下的变形和应力分布特征，并通过对密封胶芯材料进行了强度和疲劳实验研究，获得了胶芯材料破坏的原因，进而根据计算和实验研究结果，进一步提出了在胶芯内增加钢筋以减小最大剪切力的改进意见，同时进行了理论校核，并以此为基础设计了新型的密封胶芯，从而解决了带压作业装置高压动密封的难题。

In a dynamic priority system,Σ is a bounded Petri net and D is a dynamic structure describing the priorities between the transitions of Σ.

文中提出一种动态优先系统，其中Σ是有界 Petri网，D是描述变迁之间优先关系的动态结构。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。