压应力

The inclined capacity of BHA is analyzed, which is affected by various parameters. It is shown that the lateral force of drill bit and inclined capacity of BHA have something to do with the parameters(the distance between drill bit and the first stabilizer, outside diameter of the first stabilizer, WOB etc).

分析影响常用钻具井斜性能的因素，得到了近钻头稳定器与钻头间距变化、稳定器工作外径变化、钻压变化等能够改变钻具井斜性能；同时以一组双稳定器钻具组合为例，分析钻具节点的位移变化图、弯矩图和应力分布图可得出钻具上的受力变形情况。

A ' method of analyzing the stresses of the lining of fiber enlaced composite cylindrical shell under internal pressure is raised through building the theory equation with putting the ring shaped stiffener on the point of enlancing fiber . the result is good fit with the traditional finite element analyzing system

并结合对承受内压的纤维缠绕复合材料圆柱壳进行了分析，通过建立理论方程提出了把加强环点建立在纤维缠绕处分析圆柱壳内衬应力应变的方法，计算结果与传统有限元分析系统计算结果相吻合。

Amethod of analyzing the stresses of thelining of Fiber Enlaced Composite Cylindrical shell under internalpressure is raised through building the theory equation with putting thering shaped stiffener on the point of enlancing fiber.

并结合对承受内压的纤维缠绕复合材料圆柱壳进行了分析，通过建立理论方程提出了把加强环点建立在纤维缠绕处分析圆柱壳内衬应力应变的方法，计算结果与传统有限元分析系统计算结果相吻合。

Analysis of the materials to forecast the rockburst is necessary. Surrounding rockburst can be foreboded. It can afford the reference to following construction and ensure the safety excavation.

本文通过洞身段围岩稳定性分析的结论，结合围岩岩石全过程应力-应变实验和等围压三轴实验资料，对隧道洞身段的围岩岩爆进行了分析和预报，这为隧道后期的施工与安全提供了较有意义的参考。

The material compositions are selected from Pb(Ni1/3Nb2/3)O3-PbZrO3-PbTiO3 family and they are used as the four layers in the new FG piezoelectric actuator.The piezoelectric constants and dielectric constants of the materials are gradated oppositely in the thickness direction, because this special structure of the FG piezoelectric actuator has an advantage over the traditional actuators in internal stress distribution.

这种新型功能梯度驱动器由4种基于Pb(Ni1/3Nb2/3)O3-PbZrO3-PbTiO3系列的材料复合而成，且4层材料的压电常数和介电常数在厚度方向上的梯度变化相反，这种梯度结构能使驱动器结构内部的应力分布优于传统弯曲驱动器。

An Mohr circle is graphed according to values of the traixial strain and confining stress. Besides, failure theory and strength parameters: C andΦare obtained through analyzing the curve fitting.

2根据砂岩的三轴峰值应力和围压，绘制了莫尔圆；采用回归分析得到了强度准则和强度参数C、Φ值等。

The experimental method was improved, by using a ball to press the sclera samples, which were obtained nine months after surgery. The pretesting, relaxing and creeping experiments were carried out.

改进实验方法，采用球面致压拉伸巩膜的实验方法，对术后9月组上述5种兔眼巩膜试件进行预拉伸、应力松弛、蠕变的生物力学实验研究。

Piezoelectric or stored charge effects: the creation of charge unbalances (and thus current flow or voltage shift) due to mechanical stress.

压电或储存电荷效应：由于机械应力产生的电荷不平衡（从而产生了电流或电压偏置）。

In flexibility of different viscoelasticity material the model is measured and ply falls, calculated respectively the amplitude of transverse stress between factor of loss of the first-order natural frequency that submarine compression carapace is shedding vibration of the damp in field, structure and layer.

在不同粘弹性材料弹性模量和厚度下，分别计算了潜艇耐压壳在流场中阻尼振动的一阶固有频率、结构损耗因子和层间横向应力的幅值。

The crushed rock in the side abutment weakens the side restriction while the side wall and the apron strengthen the side restriction. The analysis showed a new stress distribution with automatic modification and less stress concentration when the side restriction is weakened by using crushed rock in the abutment.

结合某碾压混凝土拱坝的拱座，在减弱和加强侧约束时，即在坝体部分高程的破碎软弱岩石减弱坝体侧约束以及坝体下游边墙和护坦增强坝体侧约束的情况下，研究侧约束对于坝体应力和位移的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。