查询词典 hydraulics

It is pointed in this paper that the key of bits hydraulic design is to optimize flow field structure from the view of 3-D flow, and combining with CFD techniques to design and optimize bit hydraulics will be good to make domestic bit research progress.

本文首先提出以旋转系统内部三元流动理论去研究井下流场结构是钻头水力设计的关键，并指出借助CFD计算技术设计流场和优化钻头设计将更有利于我国钻头水力研究的发展。

Hydraulics is a branch of mechanics science. The base rules of hydraulics include hydrostatics and hydrodynamics.

水力学所研究的基本规律包括水静力学和水动力学两大部分。

She had persuaded the other two council members to join her on a long weekend trip to Brazil: Marie-Josée Treillou, 70, a mother and grandmother, and Nathalie Marroig, 41, who had children in the local schools and worked at Poclain Hydraulics in a nearby town.

她说服了其他2位镇议会成员跟她一起去巴西度周末，Marie-Josée Treillou，现年70岁，一位母亲也是祖母，另一位叫Nathalie Marroig，41岁，有还在上学的孩子，在附近的镇上的Poclain Hydraulics 工作。

Based on the science idea of coupling, this paper studied systematically the theory, mathematical model and technology of rock mass hydraulics in coal mining above aquifer, the numerical simulation method, the resemble simulation theory and method. A series of reciprocity law on the stress and displacement of upper and down floor of coal layer, coal pole, fault and the law of water pressure variety was analyzed thoroughly and particularly. Based on the relation of hydraulics character of multi-aquifer, the inspecting and predicting theory model, method and system of water outburst was founded. By used in the colliery, The results were ratified by colliery missionary. In situ test for the hydraulics character of the floor on hydrology observation hole was done.

本文基于固流耦合作用的学术思想，通过理论研究、相似模拟实验、数值分析及现场实际应用，系统研究了带压开采的块裂介质岩体水力学数学模型，数值模拟方法，相似模拟理论与方法，深入细致地分析了带压开采中项底板、煤柱、断层的应力位移分布、含水层水位变化等一系列相互作用规律，并建立了基于多含水层水力联系的底板突水监测预报理论模型及其监测预报方法与系统，并将研究成果应用于现场实际，得到了现场工作人员的一致认可。

Experiment through a water work model to the figure which turn on water tower from the hydraulics angle, from the hydraulics angle to the figure structure which turn on water tower and turn on water hole carry on a verification with excellent turn, emphasize research to turn on water tower dissimilarity under the size circumstance of the figure structure of enter the water bore water current flow Tai and release excessive water ability, water current to press a strong circumstance towards turn on water tower tower wall, scaleboard creation of pound at, and put forward more and so releasing excessive water circulate to adjust one degree way.

从水力学角度对放水塔的体形通过水工模型试验，从水力学角度对放水塔、放水洞的体形结构进行验证和优化，着重研究放水塔不同体形结构尺寸情况下的进水孔水流流态、泄洪能力、水流对放水塔塔壁、底板产生的冲击压强情况，并提出较好的泄洪运行调度方式。

Along with the development of PLC technology, PLC is applied in the control of SDF hydraulics equipment and replace of the original hydraulics equipment control circuits.

随着可编程控制器技术的发展，把PLC控制技术应用于硅藻土过滤机中液压装置的控制中，取代原有的液压装置控制线路。

The SDF hydraulics equipment is composed of the hydraulics system and the electrical control system, This plan allows both auto-control and manual control.

硅藻土过滤机液压装置由液压系统和电控系统组成，本方案可采用自动控制和手动控制。

Through deduction of hydraulics principle and calculation of aerodynamics and hydraulics,this paper defined the principle of intake equipment and the calculating method of water dynamics and aerodynamics,and hereby designed siphonic intake equipment and took a full scale experience.

通过对滗水器的水力学原理推证，以及对气体动力学和水力学计算，确定了滗水器的原理及水、气动力学计算方法，并据此设计了虹吸式滗水器，同时经生产性试验证实，其效果良好

To study the steering characteristic of the multiaxlesteering vehicle, a virtual prototype model of the dual airchamber hydropneumatic suspension system was built by means of the ADAMS/Hydraulics software.

为了提高多桥转向车辆的转向特性，应用ADAMS/Hydraulics软件建立了双气室油气悬挂系统的虚拟样机模型。

The hydraulic system model of the hydraulic cylinder backstop, which in general used on the large-tonnage crawler crane, is established by ADAMS/Hydraulics module. And the joint simulation between the mechanical system and the hydraulic system of the crawler crane virtual prototyping is implemented. The different effect of the spring backstop and hydraulic cylinder backstop for the crawler crane boom backward tipping is analysed and compared.

对目前大吨位履带起重机普遍采用的液压缸式防后倾装置，用ADAMS/Hydraulics模块构建该装置的液压系统模型，实现履带起重机虚拟样机模型机械、液压系统的联合仿真，并分析比较了弹簧式和液压缸式两种防后倾装置对臂架后倾的影响。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。