Experimental study on coupled flow through low permeability rock under confining pressure;
低渗透岩石在围压作用下的耦合渗流实验
Experimental study on cavitation inception ability of dual-jet nozzle under confining pressure;
围压下双射流喷嘴空化初生能力的实验研究
2-D multiscale numerical simulation of rock failure subjected to confining pressure based on virtual multi-dimensional internal bonds;
基于VMIB的岩石围压破坏二维多尺度数值模拟
Simulation of water jet under ambient pressure;
围压条件下射流流场的数值模拟研究
Experimental study on impact of ambient pressure on water jet kinetics
围压对水射流动力学特性影响的实验研究
This paper presents the experimental study on cavitation inception abilities of cone-shaped nozzle, self-resonating cavitating nozzle and dual-jet nozzle under various ambient pressure.
实验研究了锥形喷嘴、自振空化喷嘴和双射流喷嘴在不同围压下的空化起始能力,结果表明喷嘴结构对空化起始能力影响明显,在高围压条件下,自振空化喷嘴和双射流喷嘴比普通锥形喷嘴有更大的起始空化数,起始空化数大都在1。
Deformation comparison between confined pressure and non-confined pressure for friction material;
摩擦材料在无围压和加围压条件下的形变比较
The relationships between the permeability of the reservoir and confined pressure and confined pressure cycle are studied by experiments.
试验研究了低渗透砂岩储层岩石的围压 -渗透率关系和围压 -松弛循环 -渗透率关系 ,试验结果表明 :随围压增加岩石的孔隙结构和骨架结构发生变化 ,引起岩石渗透率的下降 。
An experimental study in laboratory was carried out to determine the effect of ground stress on core porosity, permeability and compressibility by using confined pressure to simulate terra stress.
通过室内试验 ,利用围压模拟地层应力 ,研究了有效应力与岩心的渗透率、孔隙度、岩石压缩系数之间的关系。
Experimental study of the laws between the effective confirming pressure and rock permeability;
低渗透岩石渗透率与有效围压关系的实验研究
Calculation analysis of tunnel lining considering arbitrary surrounding rock pressure distribution;
可考虑任意围岩压力分布形式的隧道衬砌计算分析
Based on long term observation in this paper, some useful formula and function ware presented, wherefrom model for surrounding rock pressure calcation to established, so the applicability of observed data can be extened.
以两立井围岩压力的长期监测为工程背景,介绍了超深立井全方位监测系统的测点优化布置方法:通过大量的测试数据分析,提出了超深立井围岩压力分布规律的量化参数和经验公式,给出了任意荷载作用下的井壁应力函数,构成了由实测围岩压力推出井壁应力的系统公式。
It is very difficult to calculate or determine the surrounding rock pressure of road tunnel because of complication and randomness of the rock mass character,parameter of ground stress,boundary condition and construction process.
由于岩土体性质、地应力、边界条件、施工过程等方面的复杂性和随机性,使得公路隧道围岩压力的确定或计算变得十分困难。
The number on the curves are the values of the confining pressure in atmosphere.
曲线上的数字表示围压的大气压值。
Unloading deformation failure and energy properties of marble under high confining pressure and high water pressure
高围压高水压条件下大理岩卸围压变形破坏与能量特征
Dynamic response of surrounding rock with high stress in deep chamber
深埋硐室高围压条件下的围岩动力学响应
The Effects of Ambient Pressure on Wellbore Crushing Effect Under Explosive Fracturing
爆炸压裂下围压对井壁破碎效果的影响
Research on the effect of the influence of confining pressure on EME during the deformation and fracture of coal or rock mono-axial compressed
单轴压缩煤岩变形破裂电磁辐射围压效应研究
Dynamical press test of SFRC under confined pressures
围压条件下钢纤维混凝土动态压缩试验研究
pressure-sensitive range
注水井压力感受范围
Assess pressure ulcer and surrounding skin to determine ulcer stage.
评估压疮及周围皮肤，确定压疮分期。
Compression Isentropes of Copper and Aluminum under 40 GPa
40GPa压力范围内铜和铝的准等熵压缩线
Research on Prediction Method of Surrounding Rock Pressure Base on Tunnel Progressive Destruction
隧道围岩渐进性破坏及围岩压力预测方法研究
It was the idea of supporting a craft on a 'pad', or cushion, of low- pressure air, ringed with a curtain of higher pressure air.
这顶计划是将船支承在低压空气垫或低压空气软垫上, 低压空气周围围着较高气压空气幔。
the pressure distribution and scope are related to the fracture azimuth;
压力分布及压力波及范围与裂缝发育方向有关;
Low ultimate pressure, high pumping speed for Ar.
极限压力低、抽气压力范围宽，对氩气抽速较高。
Analysis of Casual Blood Pressure Variability and Effect of Arm Circumference on Blood Pressure Measurement;
偶测血压变异度及臂围对血压测值的影响
Study on Distortion Mechanism of Main Roadway Surrounding Rock under the Dynamic Pressure and the Release of Pressure Control;
动压影响下大巷围岩变形机理与卸压控制研究
waterflood startup range
油藏开始注水的压力范围
The army was pinned down outside the capital.
部队被压在首府外围，无法推进。
drawn together or squeezed physically or by extension psychologically.
聚拢在一起或身体、心理范围上的挤压。
