应力

A suggestion of dividing weakly confined region from cross section by compared the ratio of first principle stress and third principle stress is developed.

提出了采用最小正应力与最大正应力的比值作为强弱约束区的划分方法。

Systematical research on ceramics removal during honing process is first completed in three aspects: honing incidental tensile stresses, honing crosshatch pattern and interaction of cracks among adjacent grits in ceramics.

被加工孔类零件内部的周向珩磨附加拉应力是珩磨加工方式所特有的，对于抗拉强度低、脆性大的陶瓷材料，其附加拉应力对珩磨过程的材料去除有重要影响作用。

As stated above, to increase honing stone pressures can remarkably decrease ceramic critical grinding stresses, increase ceramic removal at the crosshatch intersection points, and promote the propagation of grinding cracks. The feasibility of efficient honing for ceramics is proved theoretically.

在上述研究结果基础上，分析了陶瓷材料塑性加工机理，磨削应力低于临界磨削应力是实现陶瓷材料塑性加工的理论依据，并提出陶瓷材料塑性珩磨加工中的两个主要因素：磨削深度和磨粒粒径的精确控制。

The shape and dimension of cruciform specimen are optimized by means of combining FEM with orthogonal design.

优化结果表明，十字形试件的臂上开缝能显著改善中心区的应力分布，且缝数越多，应力分布越均匀。

The results show that the simplified equations can be used to calculate the weld magnification factor not only for the T-butt joint but also for the butt, cruciform joints.

结果表明作者给出的简化表达式不仅可以用来计算T型接头的焊趾表面裂纹应力强度因子，而且可以用来计算对接与十字接头焊趾表面裂纹的应力强度因子。

With the method of Stress Function,this paper analyzes the distribution of stresses of biaxial tensile and builds the finite element model of biaxial tensile test of cruciform specimens with slots on arms.

用应力函数法分析了双向拉伸的应力分布，建立了臂上开缝十字形试件双向拉伸试验的有限元模型，使用大型通用有限元软件ANSYS8.0对十字形双向拉伸试验进行模拟及分析，并对其结构尺寸进行优化设计。

In order to reduce the internal stress of wood during drying, an attempt was made to dry wood with superheated steam above 100°C. Sugi Cryptomeria japonica D.

试验研究了日本柳杉在120-180℃高温高压过热蒸汽条件下，干燥过程中所伴随的收缩应力的发生发展特征，以及温度和相对湿度对径向收缩应力的影响。

Sugi (Cryptomeria japonica D.Don) wood specimens were dried with radial restraint using superheated steam at up to 180°C, and the resulting restrained shrinkage stress was examined.

试验研究了日本柳杉在120-180℃高温高压过热蒸汽条件下，干燥过程中所伴随的收缩应力的发生发展特征，以及温度和相对湿度对径向收缩应力的影响。

The coercivity follows the cubic equation with the content of carbon nanotube. Based on the classical hysteresis theory, a new inclusion theory with the cylinder morphology is developed, combined with stress theory the expression of coercivity is given.

基于传统的磁滞机理，发展了具有圆柱形状杂质的含杂理论，结合应力理论，给出了复合材料的矫顽力的表达式，不同体积含量的碳纳米管的复合材料的磁滞机理由含杂理论和应力理论协同控制。

Finally, by means of electrometric method, the stress of the exterior surface of the feed inlet was measured. The curvilinear figure of the stress distribution of the exterior surface was drawed and compared with the results of the finite element analysis. The rationality of theory analysis and the reliability of finite element analysis were verified.

最后，采用电测法对进料口的外表面应力进行了实验测量，绘出进料口外表面应力分布曲线并与有限元分析结果对比，验证了理论分析的合理性和有限元分析的可靠性。

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％。