液压

A HIL simulation system based on concurrent computer is presented and the RT-Lab is applied to solve real-time control problem. Using the concurrent computer and RT-Lab, both anti-skid braking controller and hydraulic system can be put into the simulation loop.

提出了飞机刹车系统半实物仿真设计方案，在并行计算机硬件平台基础上，将实物(如刹车控制单元、液压模拟系统等)接入仿真回路，在RT-LAB环境下构建了仿真平台。

This text pressed an on trial pedestal each zero partses to carry on a detailed calculation and the school pit to the liquid in introducing the background of the topic research and the foundation of the meaning:Pass to draw up towards experimenting the pedestal system principle diagram, explain the work principle of the system and manipulate a method;Pass the calculation to the system pressure,discharge, choose the oil pump,pipeline and valve door;Pass the calculation to deliver the calories to system, make sure the physical volume of the fuel tank and choose heating apparatus with spread a hot machine;Pass to spread a design of move the system to the pump station, choose to keep the strength that the gear cone wheel gear spread to move to combine a school to check stalk.

本文在介绍课题研究的背景及意义的基础上，对液压试验台各零部件进行了详细的计算和校核：通过对试验台系统原理图的拟订，说明了系统的工作原理和操纵方法；通过对系统压力、流量的计算，选择了油泵、油管和阀门；通过对系统发热量的计算，确定了油箱的体积并选择了加热器和散热器；通过对泵站传动系统的设计，选择了直齿圆锥齿轮传动并校核了轴的强度。

This text pressed an on trial pedestal each zero partses to carryon a detailed calculation and the school pit to the liquid inintroducing the background of the topic research and the foundationof the meaning:Pass to draw up towards experimenting the pedestalsystem principle diagram, explain the work principle of the systemand manipulate a method;Pass the calculation to the systempressure,discharge, choose the oil pump,pipeline and valvedoor;Pass the calculation to deliver the calories to system, makesure the physical volume of the fuel tank and choose heatingapparatus with spread a hot machine;Pass to spread a design of movethe system to the pump station, choose to keep the strength thatthe gear cone wheel gear spread to move to combine a school tocheck stalk.

本文在介绍课题研究的背景及意义的基础上，对液压试验台各零部件进行了详细的计算和校核：通过对试验台系统原理图的拟订，说明了系统的工作原理和操纵方法；通过对系统压力、流量的计算，选择了油泵、油管和阀门；通过对系统发热量的计算，确定了油箱的体积并选择了加热器和散热器；通过对泵站传动系统的设计，选择了直齿圆锥齿轮传动并校核了轴的强度。

The NBT Series Straight Line Conjugate Mesh Gear Pumps enjoy the features of small size, light weight, compact structure, lower pressure fluctuation, and little noise.

我们所开发的NBT系列液压泵，采用了独特的直线共轭线的设计，具有外形尺寸小、重量轻、结构紧凑、流量脉动小、自吸性能好、噪声低等特点。

For its connatural limitation, the synchronous precision is not high, its use is limited, so that the problem of high synchronous precision is not solved.

由于同步阀固有的缺陷，其同步精度不高，使用范围也受到限制，无法解决液压同步系统中高精度控制问题。

The consociation which tries usage ADAMS to carry on machine system and liquid to press system imitates really.

尝试了运用ADAMS进行机械系统和液压系统的联合仿真。

The biggest characteristic of this model is that the hydraulic system pump station, operating console and working clamp installation table can be installed and connected in users sites and dived the test workpiece into the pond, can lift up and down, left and right two directions clamp worktables set 90 degree overturn function, especially suitable for gas pressure test.

本机型最大特点由液压系统泵站，操作控制台和工作夹紧装置台在用户现场安装连接，将试验工件潜入水池中目测，可上下升降，左右两向夹紧工作台设有90度翻转功能，特别适应气体压力试验。

All of these are useful to contamination control and improve the reliability of engineering equipment.

根据国内外的统计资料，液压系统的故障大约有60%～80%是由于油液的污染引起的。

All equipment and technology are on the basis of advanced technology for copper smelting, cold and hot working, hydraulic sensing, electronic control and telematic, with the characteristics of upsizing, continuative and automation.

全部装备技术建立在当代铜材冶炼、冷热加工、液压传感、电子控制、计算机和信息通讯等先进技术的基础上，具有大型化、连续化、自动化的特点。

These data support the notion that CSF pressure may play an important contributory role in the pathogenesis of POAG

这些数据支持脑脊液压可能在开角型青光眼的发病中具有重要作用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。