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- dynamic stress sensitivity 动态应力灵敏度
- Stress sensitivity has relationship with water saturation of reservoirs. 低渗透气藏岩心的孔隙度随有效压力的增大呈指数关系递减。
- Stress sensitivity of rock is closely related to its compressibility. 岩石的应力敏感程度与岩石的压缩系数之间存在密切的关系。
- Dynamic stress attenuates slowly with distances and has a large value. 动应力随距离衰减速度慢,量值大;
- A theoretical formula is proposed between the stress sensitivity index and the compressibility of rock. 文中建立了岩石应力敏感指数与压缩系数之间的理论关系式。
- Based on the influence of stress sensitivity on the logging surface fracturing pressure,an interpretation model for. 地层破裂压力是钻井液密度确定、井身结构和压裂设计施工的基础数据。
- The more compressible the rock is,the higher the stress sensitivity index will be. 岩石的压缩性强,岩石的应力敏感程度就高。
- A dynamic strain gage is developed for dynamic stress test at900℃ of turbine rotor blades of an aeroengine. 为了对某型航空发动机涡轮转子叶片在900℃温下进行动应力测试,研制了900℃态应变计。
- The research results show the force sensors can be constructed using amorphous alloy materials with high stress sensitivity. 研究结果表明具有大的应力敏感性的非晶带材料可用来制作力传感器。
- It is for telemetering the vibration frequency, dynamic stress and temperature of turbine blades under dynamic state. 用于涡轮机叶片在动态状态下对其振动频率、动应力和温度进行遥测。
- According to this formula,due to the weak compressibility of rock,the stress sensitivity is extremely minus,which can be neglected in produc... 根据该公式,油藏岩石的压缩系数很小,应力程度极其微弱,生产过程中可将其忽略。
- It was concluded that the impact velocity and peak dynamic stress under the coplanar impact is quadratic relationship. 从结果可以看出:在共面冲击下,其动态峰应力和冲击速度之间是二次线性关系。
- The factors including clay content &calcite cement have an important effect on the stress sensitivity of low-permeability rocks. 粘土总量和有无方解石胶结对低渗透岩石压敏效应的影响更为显著。
- It was found that the toroidal cores of Fe73.5Cu1Nb3Si15.5B7 alloy can obtain a lower stress sensitivity after proper heat treatm... 结果表明,通过合适的热处理工艺可以降低合金的应力敏感性,使得该合金绕制的铁芯在相对变形率为5%25时,磁导率指标的变化率小于40%25。
- Intelligence: With compaction control and a system that reacts instantly to the behaviour of the soil under dynamic stress. 智能化:带有压实控制系统及一个实时对在动态压实下面的土壤状况进行反应的系统。
- The relationship between differently composited stiffness of disc-spring cap and pile drivingpenetration and dynamic stress of pile are studied in this paper. 本文研究了碟簧桩帽的不同组合刚度与沉桩贯人度和桩身动应力的关系。
- Contraposethe fracture reservoirs'peculiar deformation characteristics, fracture's stress sensitivity, closure mechanism and closure law have been detail studied. 针对裂缝性储层所特有的变形特征,对裂缝性储层的应力敏感性及裂缝的闭合机理和规律进行了详细的研究。
- In this paper, the dynamic stress intensity factors of a crack at bima-terial interface are computed by particular solution boundary element method. 本文利用动力特解边界元法和应力外推法相结合求应力强度因子的方法,计算异弹模界面裂缝在瞬态荷载作用下的应力强度因子时程反应曲线。
- However the stress sensitivity of the alloy is so high that the permeability may decrease dramatically by slight mechanical deformation of the toroidal cores. 但该合金应力敏感性大,微小的变形导致磁导率的大幅度降低。
- Also compare dynamic stress concentrations, the maximal dynamic stress with the static characters and discuss the results of comparison. 另外,对动应力集中系数、最大动应力与静态特征进行比较,并对比较结果进行讨论。