查询词典 thrust deduction

In order to control ground settlement and reduce ground deformation,thrust hydraulic system and screw conveyor hydraulic system of shield tunnelling machine were designed with electro-hydraulic proportional control technology.

为了控制地面沉降，减少地表变形，采用电液比例控制技术对盾构掘进机推进液压系统和螺旋输送机液压系统进行了集成设计。

This paper made use of the electro-hydraulic proportional control technology, adopting the principle of separate the ground control or grouping and unite control to control the velocity and pressure of thrust hydraulic cylinder to complete the shield machine attitude adjust in the course of its advance.

应用电液比例控制技术，采用分组联合控制的原则，控制推进液压缸的速度及压力，完成盾构推进过程中的盾构掘进姿态的调整。

Shield hinge equipment is a key part of the thrust hydraulic system about the shield tunnelling machine. Not only being utilized in the curve tunneling about the shield small radius but also in correcting shield tunneling direction, it is a key part which can guarantee the shield tunnelling machine to be pushed along the given design route accurately.

盾构铰接装置作为盾构掘进机推进系统的一个关键部分，它不但能用于盾构小半径的曲线掘进，也能用于盾构掘进方向纠偏，是保证盾构掘进机能够沿着设计路线方向准确推进的关键。

The paper introduces the principle of the thrust hydraulic system of telescopic shield tunneling machine,and build the modle of hydraulic system in AMESim environment,basis the fact to optimum design the relevant parametre,considering the system s time-change,non-linear and the affect of complex operating contion,adopting the control alforithm of RBF Neural Network Self-tuning PID.

该文介绍了双护盾掘进机推进系统的工作原理，在AMESim环境下建立了液压系统的模型，根据实际情况对相关参数进行了优化设计，考虑到系统的时变非线性以及复杂工况的影响，采用了基于RBF神经网络自整定PID控制算法，在 MATLAB下编写了相应的S函数，通过AMESim/Sinulink与AMESim进行联合仿真分析。

The thrust coefficient of different hydrofoil impellers was experimentally studied and simulated with CFD.

对几种不同型式轴流桨的推力系数进行了实验及CFD模拟研究。

The practical applications of this control system to the hypergolic bipropellant attitude control rocket engines at 30kg and 100kg thrust levels respectively are stated.

说明了该控制系统在30公斤级与100公斤级的双组元燃料变推力姿控火箭发动机中的具体应用情况。

The operating process of liquid apogee engine (N2O4/MMH) thrust chamber is studied. By applying the SIMPLE algorithm with staggered grid, the numerical model is established. The atomization mechanism and decomposition combustion of hypergolic rocket propellant are considered in the model.

研究了远地点发动机(N2O4/MMH)的推力室工作过程，考虑了自燃推进剂的雾化、蒸发以及化学反应流动过程，采用交错网格系统的SIMPLE算法，得到了不同边区冷却流量对推力室的内流场和燃烧效率的影响结果，数值计算的结果与理论分析相符合，为推力室工作过程的稳定性分析提供了重要参考。

A thermometer thrust into the middle of Walden on the 6th of March, 1847, stood at 32x,or freezing point; near the shore at 33x; in the middle of Flint's Pond, the same day, at 32+x; at a dozen rods from the shore, in shallow water, under ice a foot thick, at 36x.

一八四七年三月六日，一只温度表插入瓦尔登湖心，得三十二度，或冰点，湖岸附近，得三十三度；同日，在弗灵特湖心，得三十二度半；离岸十二杆的浅水处，在一英尺厚的冰下面，得三十六度。

For that, using Darcy law, ideal gas state equation, mass conservation law and moment equation, the paper presents the pressure distribution equation in the porous media and lubricated film including hydrostatic and aerostatic porous thrust bearings (circular pad and rectangular pad), hydrostatic and aerostatic porous journal bearings and hydrostatic and aerostatic porous spherical bearings.

为此，本文利用Darcy定律、理想气体状态方程、质量守恒定律、动量方程以及相应的边界条件，给出流体在多孔质内部和流体薄膜内部压力分布方程，结果表明这两个流动域内部流体压力分布方程是相互耦合的。

Thus Harold's watch thrust him into the immitigable path of fate.

于是哈洛的表将他推入无法改变的命运道路上

Finally, the Knight strung a line between two of the monoliths and tied the horses up there.

最后，骑士们在两颗巨石之间拉了一条绳子，将他们的座骑绑在上面。

T7zN/hyS0 The island lies south by east from here.

那个岛位于此地的正南偏东方向。