preadjusted pressure

Highligths of 2002 SEG annual meeting,Part 2:Interpretation and pressure prediction;

勘探地球物理技术最新进展——2002年SEG年会综述Ⅱ:解释与压力预测

The method to calculate formation pressure and application of the software for the pressure prediction analysis system (DrillWorks 2005) are formulated in the paper.

钻前地层压力预测资料,对于待钻层油气的评价具有重要作用,更是确保安全钻井的重要信息。

The method to calculate formation pressure and application of the software for the pressure prediction analysis system(DrillWorks 2005)are formulated in the paper.

钻前地层压力预测资料,对待钻层油气的评价具有重要作用,更是确保安全钻井的重要信息。

In this paper, the autogenous volume deformation and prestress of the concrete prepared with this cement were tested.

结果表明 :用双膨胀中热水泥拌制的混凝土不仅能产生早期膨胀 ,也能产生后期膨胀 ,在约束条件下能产生预压应力 ,可以比较有效地补偿大坝等大体积混凝土的收缩 ,增强其抗裂能力 ,从而提高工程的整体性、安全性和耐久性 。

The autogenous volume deformation, prestress and strength are tested.

结果表明 ,双膨胀水泥混凝土具有较好的微膨胀性 ,在早期与后期均能产生一定的膨胀 ,在钢筋约束条件下能够产生比较稳定的预压应力 ,约束试件的强度比没有约束时有所提高 ,适用于具有一定约束条件的水工混凝

Researches on effects to ultrasonic motor s performance of preload;

预压力对超声波电机特性的影响研究

By means of contrast test methods,effects of the preload on the resonant frequency,the noise,the mechanical characteristics,the temperature and the hold capacitance of the USM were studied by using the experimental platforms.

简单介绍了超声波电动机的驱动原理,分别建立了电动机频率特性、噪声特性、温度特性和机械特性等实验平台;在此基础上,采用对比试验法分别研究了预压力对电动机谐振频率、噪声特性、机械特性、温度特性以及电动机压电陶瓷夹持电容等的影响。

The optimal preload is obtained which provides guidelines for the design of stator/rotor contact interface of ultrasonic motors.

利用实验方法研究了预压力对行波超声电机摩擦界面输出特性诸如空载转速、堵转扭矩等等的影响;对实验结果进行了详细的分析,得出了一些规律性的结论,指出预压力存在一优值范围,可通过预压力的调节来调整超声电机的输出特性;对现有摩擦驱动模型的仿真结果进行了验证,提出了对现有模型的改进意见,为行波超声电机摩擦界面的设计提供了依

Lithomechanics-based logging prediction of stratum pressure

基于岩石力学理论的测井地层压力预测

A new prediction method of the pressure of early temporary support

开巷初期临时支护压力预测的新方法

Prediction and Application of Stratum Trinomial Pressure in DWYY;

DWYY地层三项压力预测与应用技术

Rock mechanical parametric experiments and the research of formation fracture pressure prediction

岩石力学参数试验与地层破裂压力预测研究

The Research of Prediction Technology for Pore Pressure and Fracture Pressure in Talaha Area;

他拉哈地区地层孔隙压力及破裂压力预测技术研究

PREDICTION OF CO_2 MINIMUM MISCIBILITY PRESSURE FOR DAQING PETROLEUM

大庆油田二氧化碳驱油最小混相压力预测

The prediction of the burst pressure of pressure vessels with miter pipe

轴向斜接管内压容器爆破压力的预测

Analysis,control and Forecast of Deformation and Pressure in soft Rock Tunnel;

软岩巷道变形与压力分析控制及预测

PRESENT PRESSURE ANALYSIS AND TREND PREDICATION OF CULTIVATED LAND IN HUNAN PROVINCE;

湖南省耕地压力现状分析及趋势预测

Prediction of the critical pressures of alkanes using a quantitative structure property relationship;

应用QSPR方法预测烷烃的临界压力

Distribution characteristicsand prediction of pressure systems in the Santanghu Basin

三塘湖盆地压力体系分布特征及预测

Dynamic Features and Prediction Method of Large Roof Pressurized

大面积顶板来压动力表征及预测方法

Analysis and Prediction of Temporal and Spatial Pressure Index of Cultivated Land in Jiangxi Province

江西省耕地压力时空差异分析及预测

A New Productive Prediction Method of Horizontal Fracture Wells in Hydraulic Fracturing

水力压裂水平裂缝井产能预测新方法

China's Exchange Market Pressure and Measuring on Exchange Market Intervention

中国外汇市场压力和官方干预的测度

PREDICTION AND ASSESSMENT OF FRACTURE HEIGHT OF HYDRAULIC FRACTURING WITH LOGGING DATA

利用测井资料预测判断水力压裂裂缝高度

An instrument for measuring atmospheric pressure, used especially in weather forecasting.

气压表，气压计测量大气压力的仪器，尤用于天气预报

Cluster Analysis-Based New Method for Prediction of Uplift Pressure of Dams

基于聚类分析预测大坝扬压力的新方法