to be luckily, there is an overall valve in every hydraulic system, so high impact pressure cannot affect the fatigue life-span seriously.

但是系统上一般都有溢流阀，故沖击压力不会严重影响胶管的疲劳寿命。

for the hydraulic system's pressure always be dynamic, there often appears an impact pressure; the maximum impact pressure is much higher than the maximum system pressure.

由于液压系统的压力值通常是动态的，有时会出现沖击压力，沖击压力峰值会大大高于系统的最高压力值。

experimental study of the impact pressure distributions in a stilling basin during flood discharges;

在试验室中研究了高速淹没射流对挡板的沖击压强特性。

the initial impact pressure is directly proportional to droplet density and square impact velocity.

初始碰撞压力与熔滴的密度及碰撞速度的平方成正比；

the forecasting and prevention of impact pressure is an important task of scientific research.

沖击地压预测和防治是当前的一项重要科研课题和任务。

the fluctuation of particle impact pressure and the st℃hastic characteristic of time series signal are investigated.

对气-固流化床中颗粒碰撞压力的波动现象及其时间序列信号的统计特征进行了探讨。

in addition, a distribution regularity of the maximal impact pressure is also given.

本文还给出了最大沖击压力值的分布规律。

the distribution law of inner stress field and its effect on controlling underground impact pressure are discussed, when sub-level caving method is introduced.

讨论了放顶煤开采的采场应力场的分布规律及其对沖击地压的控制作用。

it has been shown that the impact pressure and changing of mechanical characteristic of rock together make it broken by abrasive water jet.

得出巖石在受到磨料射流的沖击下，磨粒与水体对巖石的沖击压力与巖石在水介质作用下力学特性的变化共同促使了巖石的破坏。

fault impact pressure is a dynamical phenomenon caused by coal mining, with fault abruptly dip offset, and stretch strain energy rapidly release.

断层沖击矿压是由于开采活动引起的断层突然相对错动、弹性应变能迅速释放的动力现象。

the particle impact pressure is mainly related to the operation velocity and the particle density.

计算表明，在浓相鼓泡区，颗粒的向上碰撞压力随颗粒密度及操作气速增加而迅速增加。

if the air cushion effect is not to be considered, the impact pressure will be unrealistically high.

如果不考虑气垫效应，撞水压力将不现实地过高。

most of the coating flaws start form the surface, and expand under the combined effect of the coating inner stress and the repeated impact pressure stress.

研究发现：涂层裂纹多从表层起源，在涂层内应力和反复碰撞压应力的联合作用下逐步扩展；

the lubricants of casting mold used in green sand transfer coating were investigated under impact pressure casting.

在气沖造型条件下对粘土砂转移涂料的脱模剂进行了研究。

according to conventional method analyses of bottom plates structure under slamming impact pressure consist of two steps.

常规方法是在估算砰击外力时用概率方法，再用砰击极值压力对底板强度作确定性分析。

the computation of oscillatory pressure and impact pressure for two-dimensional bodies with arbitrary shapes is described.

本文讨论具有任意对称形状的二维物体的振蕩和沖击压力的计算。

the impact pressure on the steel is about 3, 500 atmospheres. that is the weight of three small cars pressing on an area only a centimetre or so square.

作用在那块钢铁上的压强约为3500个大气压，相当于三辆小型汽车的重量压在一块1平方厘米左右的地方。

for retrieving coal column of mining area in the mine of impact pressure in the coal enterprise offers the experience, takes on popularity value.

为煤炭企业沖击矿压矿井回收盘区煤柱提供了经验，具有推广价值。

results of an investigation of methods of controlling flash and the application of a real time closed loop shot control system to control impact pressure are presented.

描述了对各种控制飞边方法的调查结果和实时闭环压射控制系统在控制沖击压力方面的应用。

the result indicated that the maximal total uplift force did not always occur with the maximal impact pressure intensity synchronously.

结果表明，平板下最大总上托力并不总是与最大沖击压强同步发生。

as for hydraulic system whose impact pressure appears very frequently, we advise you choose the special hydraulic hose which is able to endure the high impact pressure.

对于沖击压力特别频繁的液压系统，建议选用特别耐脉动沖击的胶管产品。

relating the momentum flux of particle with the particle impact pressure on objects, a theoretical model of the particle impact pressure in fluidized bed is developed.

通过对床中物体表面与碰撞颗粒流之间的动量衡算，将颗粒流动量通量与颗粒的碰撞压力相关联，建立了流化床中颗粒碰撞压力的理论模型。

experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced.

实验表明，提高了射流沖击压力的破碎巖石效率。