pressure limit

According to limit-equilibrium theory and limit-equilibrium model ( silo model), the author has deduced the pressure calculation model formula.

根据极限平衡理论，利用前人学者提出的极限平衡计算模型（简仓计算模型），推导了盾构支持力的计算公式。

The positive rates of some physical signs, such as joint activity limit, pressure pain point, neck's pressure test, Tinel's test, Thomas sign in sedentary groups were higher than that of control group ( P < 0 01).

体检发现坐位作业工人关节活动受限、压痛点压痛阳性、颈部挤压试验等阳性率均高于相应对照组（P＜0.01）。

Research on Limit Angle in Maximum Pressure for Radial Sliding Bearing

向心滑动轴承最大比压处极角φ0的研究

Emission control regulations became stricter, while petroleum resource decreased day by day, in order to reduce the fuel consumption of diesel engine and control its emissions in current emission control regulation limit, maybe high-pressure common-rail injecting system will have to be used in diesel engines.

随着石油资源的日渐减少和排放法规的日趋严格，为降低油耗并满足欧Ⅲ及以上的排放标准，柴油机的喷射系统也许不得不采用电控高压共轨喷射系统。

The relative formulations between limit loads ( both axial force and internal pressure) acting on it are derived while the whole thick-walled tube is led to the yielded state.

当整个厚壁圆筒达到屈服状态时，推导了在内压力和轴向力联合作用下的厚壁圆筒的塑性极限载荷表达式。

Objective To explore the safe pressure limit of intrapelvic perfusion under percutaneousnephrolithotripsy ( PNL ).

目的探讨经皮肾镜碎石术肾盂冲洗的安全压力.

The limit loading formulae of thick-walled tube with differential strength in tension and compression are derived in the twin shear unified strength theory under the combined actions of both an inner pressure and axial force.

应用双剪统一强度理论，考虑材料的拉压异性和同性，推导了在内压和轴力联合作用下的厚壁圆筒的塑性极限载荷表达式。

This paper deduces its design formula involving only the dimension parameters, by taking the maximum pressure angle equal to the allowable pressure angle, and also discusses the problem about the limit value of pressure angle.

本文按该机构的最大压力角等于许用压力角的条件导出了包含其各尺寸参数的设计公式，对其中压力角的极值问题进行了讨论，并利用电子计算机辅助设计。

Calculation of unlimited earth pressure LIMIT PLAY A DIRTY TRICK

考虑位移的非极限土压力计算

An approach to the nonlinearity of ionization vacuum gauge at upper pressure limit

关于电离真空规测量上限非线性的探讨

In this paper, according to the analysis of the possible pressure pulsation mechanism while working in pump& motor closed-type hydraulic system, some effective methods, which are verified by simulation and test, to limit pressure pulsation are put forward.

本文针对泵&马达闭式液压系统工作过程中可能产生的压力脉动机理进行分析，提出有针对性的抑制压力脉动的方法，通过仿真和实验予以验证。

Determination of the expanding pressure limit in soft medium tude expansion

软介质胀管中胀接压力选取范围的确定

Because of these characteristics, the pressure measurement system with capillary tubing can be used without depth limit and can measure the downhole pressure continuously without time limit.

由于这些特点，毛细管测压系统在使用时无深度限制，可以不受时间限制连续地测取井下压力。

Shakedown analysis of a thick-walled cylinder of elastic-perfectly plastic material is presented in terms of the twin-shear unified criterion. The unified analytical solutions of the loading stress fields, the residual stress fields and the shakedown limit pressure of the thick-walled cylinder are derived.

采用双剪统一强度准则对理想弹塑性材料的厚壁圆筒进行安定性分析，得出了厚壁圆筒加载应力、残余应力及安定极限压力的统一解析解。