The relation between hoop strain and radius-directional pressure was set up based on the theoretics of mechanics of materials.
根据材料力学理论建立了活塞环环向应变与径向压力之间的关系式。
According to the changes of deviation Angle calculated the pressure distribution of directional well.
对定向井井筒压力分布，计算时根据井斜角的变化采取分段计算的方法。
B are active fractions of Guizhi Tang with dual-directional regulation on rat blood pressure.
为桂枝汤大鼠血压双向调节作用的有效部位。
Hydraulic pressure core-pulling is adopted in this mechanism, and it can accomplish linear and arc directional core-pulling motions.
该机构采用液压抽芯，能完成弯管处的直线和弧线两个抽芯动作。
It has been verified that the directional characters in near sound field in low and middle frequency bands and the pressure level in far...
计算结果正确预测出近场中低频段的指向性特点和远场声压级水平，与实测谱值有较好的一致性。
The seam pressure releasing with the directional hydraulic fracturing could prevent and control the mine pressure bumping occurred.
利用定向水力压裂方法对煤层卸压，从而防治矿井冲击地压。
The seam pressure releasing with the directional hydraulic fracturing could prevent and control the mine pressure bumping occurred.
利用定向水力压裂方法对煤层卸压，从而防治矿井冲击地压。
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