临界压力

If the entry pressure of caprock s and reservoir characters regularly evolute in accordance with the nowadays evolution curve, we can deduce that lithologic traps can form in early time and the traps have several formin.

根据盆地内部储层和盖层的临界条件，利用盖层排替压力曲线和储层物性曲线联合确定了岩性圈闭的发育层段，发现多个层位可发育岩性圈闭。

Key words : seepage force; boundary water pressure; Green theorem; piping; slope sliding; critical gradient

关键 词：渗透力；边界水压力；格林公式；管涌；滑坡；临界坡降

The critical pressure difference is 0.767MPa when the high and low pressure zones distribute along the direction of maximum principal stress.

高、低压力区沿最大水平主应力方向分布时，发生套管变形的临界压差为0.767MPa。

Properties of nonlinear buckling deformation of round soleplate with slot structure under concentrated load are studied.

运用MSC.Nastran求解器计算了薄壁圆柱壳在轴向压力作用下的临界载荷、屈曲模态及薄底板在集中载荷作用下的非线性屈曲问题。

While pure acicular ZnO nanoparticles are acquired in the oxygen, and Zn nanoparticles are obtained in the hydrogen.

通过对临界粒子半径r*的回归分析，说明Zn纳米粒子的粒径主要由反应压力控制，而与载气流量关系不大。

Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.

反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象（本实验所测极值为-407cm〓·mol〓，这使得水解动力学参数对反应压力存在敏感依赖关系。

Be in in last few years in exploitation process, the pressure that note steam is ceaseless and elevatory, the index of performance of the equipment that note steam of the requirement is higher and higher also, inferior the critical boiler that note steam received wide application.

在近几年的开采过程中，注汽压力不断升高，要求的注汽设备性能指标也越来越高，亚临界注汽锅炉得到了广泛的应用。

Firstly, pressure, enthalpy, temperature and velocity of pure water at different location of hydrothermal circulation system are described. Density and viscosity of fluid are calculated from temperature and pressure using properties of pure water. Secondly, influences of formational anisotropy and crack zone on hydrothermal circulation are analyzed.

首先讨论了热液循环系统不同部位的压力、焓、温度、水流的密度、粘度及流动速度等参数的特征，其次分析了地层非均质性、裂缝带的存在对热液循环流场的影响，最后分别模拟了近临界状态及侵入体存在情况下的热液循环。

The stability of levulinic acid in near critical water was studied in the temperature range from 220 to 280 ℃and under pressure of 10 MPa.

实验测定了压力10MPa、温度220-280℃内乙酰丙酸在近临界水中的稳定性。

The relation between water outburst and influence factors,the critical hydraulic gradient of water outburst and water outburst machinism in the test conditionare obtained.

设计了室内突水、涌砂试验装置，以弱胶结砂岩为试样，在各不同的初始压力下，模拟突水、涌砂过程，由此总结出突水、涌砂与各影响因素间的关系；给出了各试样发生突水的临界水头梯度；分析了突水机理；最后指出了试验中的不足之处。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了