The scope and distribution of X, Y, Z stress drop is individually given out in qu.
低渗透油田增产增注问题一直是广大科技工作者研究的重点,基于ANSYS有限元软件建立了胜利某低渗透油井水力割缝的三维立体有限元模型,并对钻井和水力割缝后井筒及近井地带的应力变化进行了数值模拟,给出了定量化的X、Y、Z向应力在割缝后的应力降范围和分布规律,指出割缝方向是决定水力割缝效果和有效性的关键因素,数值模拟分析表明,在地下15 0 0m深处,通过水力割缝技术可以大大降低井筒及近井地带的地应力,从而达到解堵及增产增注的目的。
Moment magnitude is transformed from seismic moment,so the estimation inaccuracy of stress drop and shear modulus will affect moment magnitude scaling.
矩震级标度是从地震矩换算过来的,换算关系中地震应力降与剪切模量估算的不准确会对矩震级标度产生影响。
According to the rupture dynamics of earthquakes, variations of the apparent stress and the difference between the static stress drop and the dynamic stress drop during the rupture of earthquakes are analyzed for the July 20, 1995 M_L=4.
1地震序列破裂过程中,视应力和静态应力降与动态应力降之差的变化。
There are some visible stress decreasing districts at the crossing of the tunnels.
巷道交岔点处出现明显的应力降低区,应力分布出现较大的起伏。
The optimum simple step-down-stress design for ALT with exponential distributions and type II censoring is primarily studied.
以正常应力下寿命分布函数中参数的极大似然估计的渐近方差为准则,考虑II型截尾的情形,对指数分布场合下简单步降应力加速寿命试验的最优设计问题进行了研究。
When compressive stress reaches zero, a critical value of the post-peak Poisson's ratio is achieved.
当压缩应力降至零时,峰后泊松比达到临界值。
THE ESTIMATION OF STRESS DROPS OF SMALL EARTHQUAKES BEFORE AND AFTER XINGTAI 5.8 EARTHQUAKE OF NOV.9,1981
1981年邢台5.8级强余震前后小地震的应力降估计
Stress Analysis and Settlement Calculation of Pile Raft Foundation Based on Mindlin Stress Solution;
基于Mindlin应力解下桩筏基础应力分析与沉降计算
Theory and Method of Step-down-stress Accelerated Life Testing;
步降应力加速寿命试验的理论和方法
Reduced Order Model for Unsteady Aerodynamics and Its Application;
非定常气动力降阶模型及其应用研究
Kinetics of Glucose Decomposition Catalyzed by Dilute Sulfuric Acid/Salts;
稀硫酸/盐催化葡萄糖降解反应动力学
The Progressiwe-down-stress Accelerated Life Testing Under Weibull Distribution;
WEIBULL分布下的序降应力加速寿命试验
Analysis of the lowering of the internal stress of PC moulding;
浅析PC注塑成型中降低内应力的方法
INFLUENCE OF LOWERING ALLOWABLE STRESS FOR T122 STEEL UPON SAFETY OF BOILERS
T122钢许用应力下降对锅炉安全的影响
Not only are they less able to deal with the pressures of the day-to-day existence,
不但他们应付日常生存压力的能力有所降低，
Analysis of Coupled Fluid and Stress in Ground Settlement;
地面沉降过程中渗流与应力应变耦合分析
Application study on quantitative analysis of reducing the welding residual stress
降低焊接残余应力定量分析的应用研究
Studies on the Effect of Continuous Stress on the Degradation of Poly(D, L-lactic Acid) (PDLLA) Foam-gasket and the Stress Shielding Effect of Internal Fixation System with PDLLA;
应力对PDLLA降解的影响及PDLLA泡沫衬垫对应力遮挡作用的实验研究
The stress of the position that easy to broken in clinic significantly decreased.
临床上容易发生断钉的部位应力显著降低。
Pressure should not fall below 30 psi for five minutes.
压力应该下降到低于30 psi，并保持5分钟。
The administrative decisionmaking process should also attempt to minimize the risk of wrong decisions.
行政决策程序还应当努力降低错判的风险。
The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor.
随着应力强度因子的下降，声发射也随着减少。
Theoretical Studies on the Kinetics of Thermal Degradation of Hydroxylalkylpolysiloxanes;
羟烷基聚硅氧烷热降解反应动力学的理论研究