Identification of dynamic natural frequencies and viscosity damping coefficient for a large-scale structure in practical working condition is a very difficult problem.
大型构件在实际工作环境中的系统动态固有频率和粘性阻尼系数辨识一直是一个“棘手”的问题。
Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力，其次是柱塞数。
This report is intended to introduce the structure and working principle of spiral gas anchor and explain the calculation formulae for separation coefficient.
本文介绍了螺旋气锚的结构形式、工作原理及分离系数的计算公式，论述了影响分离系数的各种因素。
Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.
在模拟矿井提升的工况下，实验测量闸瓦的动摩擦系数。
The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是，随着采高的增大，工作面滞后支承力的距离加大，垂直应力集中系数差别不大。
The influence of the working fluid pressure and the structure of ejecting nozzle on the outlet temperature, ejecting coefficient and heating efficiency of the ejecting-mixing heater were analyzed.
对多喷嘴引射混合式加热器的加热性能进行了试验研究，分析了工作流体压力和引射孔结构对引射混合式加热器的出口温度、引射系数以及加热效率的影响。
ZA27 alloy shows good mechanical properties and working properties. Small coefficient of friction and large sticking force to oil can substitute ZA27 alloy for Bronze alloy.
ZA27合金具有良好的力学性能和加工性能，它的摩擦系数小，对油的亲和力大，而且ZA27合金的综合性能突出。
Moreover, with the increase of the working frequency, the dielectric constants of the PST materials decreased, but the Curie temperature and temperature coefficient basically had no variation.
随着测试频率的增加，测得的材料介电常数略有下降，而居里温度与温度系数基本维持不变。
This paper introduces the working principles of the damper type down-ward belt conveyor, analyses the belt tension, reports the test result of the damping coefficient.
本文介绍阻尼式下运带式输送机工作原理，对输送带的张力进行了分析，并对阻尼系数进行测试。
Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain joint probability density function under multiple working conditions.
对各工况下的二维疲劳载荷，采用权系数的方法，合成并获得了多工况下的二维载荷联合概率密度函数。
The relation between the optimal coefficient of performance and the rate of refrigeration of a Carnot refrigerator for an idea or van der Waals gas as a working fluids(?)derived.
导出以理想气体或范德瓦耳斯气体为工质的制冷机最佳制冷系数与制冷率间的关系。
The mass death of working age population affected population age structure to make the burden coefficient of Ruili and Longchuan increased 0.06% and 0.05%.
大量劳动年龄人口的死亡影响了人口年龄结构，使瑞丽、陇川的人口负担系数分别增加了0.06%、0.05%。
A new factor called the energy spare coefficient is suggested to evaluate the buffer's working capacity.
为了更好地评价缓冲器的工作能力，引入了能量储备系数。
The critical intensity arrival time is influenced by input flow intensity, coefficient of variation, hump-working load, etc.
临界密集到达时间受到达流强度、变异系数、驼峰作业负荷等因素的影响。
The roof management, roof pressure computing, assurance coefficient checking are introduced. Three kinds of protecting methods of working face management are expounded.
从顶板管理、顶板压力计算、安全系数校核方面进行了介绍，并且在大倾角工作面三防措施管理方面进行了详细的阐述。
This paper puts forward an optimum method by computing the priority coefficient of each working procedure to limit resources and implement the optimization of the shortest time limit for a project.
提出通过计算各工序优先系数的方法进行资源限定，实现最短工期优化，使该类型的优化从定性优化变成了定量优化，为该类型的优化提供了一个新的求解思路。
The test pressure coefficient and safety factor are searched for thin-wall vessels with minimum virgin reliability of burst strength in different working conditions.
基于随机-模糊概率模型，定量分析了钢制薄壁圆筒临界失稳强度的模糊可靠度、稳定系数与外压试验压力系数之间的关系。
When the working speed was lower, the coefficient of variation in the same rows was higher.
机具行走速度越低，行内一致性变异系数越大。
Critical load is mainly determined by the number of receiving and departure track and coefficient of variation of hump-working time.
临界负荷主要取决于到发线数量和驼峰作业时间变异系数。
The spouting tests with different bore distance and high pressure coefficient were done before working in due form in order to confirm rational working procedure and technical parameter.
为确定在这种复杂地层条件下进行钻孔高喷灌浆时采用的合理的工艺工序和技术参数，在高喷灌浆正式开工前进行不同孔距、不同高喷参数的灌浆试验。
The effects of the different working fluids and their filling rates, and the density of the heat flux on the heat transfer coefficient of the heat pipe were summarized from the experiment results.
根据实验结果总结出了工质、充液量和热流密度对热管传热系数的影响。
The effects of the different working fluids and their filling rates, and the density of the heat flux on the heat transfer coefficient of the heat pipe were summarized from the experiment results.
根据实验结果总结出了工质、充液量和热流密度对热管传热系数的影响。
应用推荐