应力

It can be also found from the calculation and analysis that the values of ambient shear stress and apparent stress are correlative with magnitude, and the variation of these two stresses is clearly interrelated with activity behavior of the earthquake sequence.

对青岛峙山地震序列中261个小震的数字化波形记录计算分析后发现，环境剪应力τ0值和视应力σ值与震级明显相关，并且相同震级的地震事件所计算出二者的变化与地震序列的活动状态密切相关。

The correction factor of normal stress graph area to rationalize reinforcement design is also studied.

通过对桂江巴江口水电站溢流坝弹性有限元计算成果的分析，指出部分结构仅根据主拉应力图形面积进行配筋存在的问题，并给出正应力图形面积的修正系数，使配筋结果更加合理。

A new Weibull Stress arithmetic in which Gaussian point is as a calculation unit is proposed. It can get more accurate result than the arithmetic in which Element is as a calculation unit.

1本文提出了以高斯点为单位计算韦布尔应力的新算法，在相同的有限元网格划分情况下，该算法比目前国际上通用的以单元为单位计算韦布尔应力的算法计算精度更高。

Inner of high temperature is very easy to dock a place to the steel tube coating creation destroys welding because the operation is complicated and Asbestus rope heat insulation effect. Change in the area metallographic organization fever of arousing is affected and the remaining strain arouse strain corroding a dehiscence to create inner steel tube bringing about the ring oxygen powder series falls short of success. Carrying out a certificate is not a preferred plan.

此种方法由于扩口时的精度不高，现场施工环境和条件所限，很难达到预期的效果，加之操作复杂、石棉绳绝热作用的不充分性等引起的焊接高温很容易对钢管对接处的内涂层产生破坏，同时还引起热影响区金相组织发生变化、产生残余应力而引起应力腐蚀开裂，造成环氧粉末系列的内防腐钢管功亏一篑，实践证明不是最佳方案。

Through the results from finite-element package, real distributes of shear stresses at the bonded plate/concrete interface are found. According to this, the assumption and the formula are amended.

通过有限元分析方法，得到了外粘钢板与混凝土之间剪应力的分布规律，并据此对外粘钢板与混凝土之间剪应力的分布假定进行了修正，得到了修正的锚固长度计算公式。

Experiments of flow conductivity closure stress of typical propping agent are done, propping agent short-term flow conductivity alteration index is defined, by this, the relation between fissure short-term flow conductivity and closure stress, it is close to exponential relation. 4. Establishing the mathematical simulator of hydraulic fractured well's production in a steady state, finding the relation curve between dimensionless flow conductivity and fracture penetration coefficient by means of calculation and analyses, it is the basis of hydraulic fracture. 5. Expatiating the importance of optimized hydraulic fracturing design in reservoir engineering, advancing the optimizing design method, fracture dimension can be calculated easily when the physical parameters are known. 6. Production rate decline standard curve of vertical fractured wells is achieved by mathematical simulation, when the flow pressure is certain , by asymptotic analyze, this decline curve is close to exponential relation.

完成了国内外典型支撑剂的导流能力闭合应力影响实验，在数据分析中定义了支撑剂短期导流能力变异系数，并由此发现裂缝短期导流能力随闭合应力变化的近似符合指数关系式； 4 建立了一种水力压裂井稳态产能的数学模拟器，计算分析找到了最优无量纲导流能力与裂缝穿透比之间的新型关系曲线，它是水力压裂优化设计的基础； 5 阐述了水力压裂油藏工程优化设计的重要性，提出了优化设计方法，在已知支撑剂物性参数条件下可简洁计算最优裂缝尺寸； 6 数学模拟给出了垂直裂缝井产量递减标准曲线，在井底定压条件下通过渐近分析表明，该递减曲线满足指数关系式。

By adopting the asymptotic expansion method, the higher order partial differential equation was transformed into the system of ordinary differential equations.

采用渐近展开法，将该控制方程——高阶偏微分方程转化为常微分方程组，求解该方程组获得应力函数，进而得到功能梯度材料中裂纹尖端应力高阶渐近场的解析式。

E. , plastic deformation developed into a critical state, local stress in dislocation-freezone will be equal to atomic bond strength, which will induce the initiation of SCC microcrack.

为了说明这个附加拉应力在阳极溶解型SCC中的主要作用，对不同含H〓O量的甲醇溶液，用慢拉伸法测量了SCC敏感性，同时测量了自然腐蚀时表层拉应力的大小。

In the Polish phrase 'to the feet,' the preposition do 'to ' is atonic precisely because it has the stress, for the stress in this language is placed on the next-to-last syllable of each word,and falls on do only because this word is trested as part of the following word.

脚"，"是手法所做的，正是因为它具有联应力、应力在这个语言被放在next-to-last音节的每个词，落在做，只是因为这个词是trested下列单词的一部分。

The results of the site experiment showed that the reinforcing bar stresses during construction period were not very high and changed mainly with the variation of concrete temperature after the deadweight stress was formed.

为此，在三峡水利枢纽永久船闸输水隧洞北一延长段NY9和NY10结构段，进行了浇筑温控混凝土和常规混凝土的衬砌温度与钢筋应力现场试验研究，分析了衬砌中钢筋在施工期的受力情况及其变化发展规律，对钢筋应力与混凝土温度变化的关系进行了深入分析。

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％。