查询词典 tension theory

Eighthly, the accumulative sliding process and pre-stressed tension construction technology of pre-stressed cylindrical reticulated shells coal storage of Xinxiang power plant was introduced, and the construction process was analyzed using the theory that was presented in the paper.

结合河南新乡电厂干煤棚张弦网壳结构的施工实践，本文详细的介绍了高空累积滑移施工与预应力索张拉相结合这一复杂的施工方案和关键技术工艺，并用提出的计算方法进行了施工全过程的计算。

It is because that theory and method of perfectible and suitable quantitative test of wire rope's damage and tension and scientific evaluation for its safety is lack.

究其原因，就是目前尚缺少完善适用的钢丝绳损伤与张力的实时在线定量检测以及对其安全性进行科学评价的理论与方法。

In the analysis of Hayek's work "the constitution of liberty", I argue that Hayek has commixed two discriminating arguments i.e. moral argument and sociological argument about liberty. Just under the great tension of these different arguments about liberty, Hayek has finally confused two discriminating conception of law, thus having resulted in inherent inconsistent in Hayek's theory of "rule of law".

在对哈耶克《自由秩序原理》一书的文本分析中，我认为，哈耶克混合了自由的道德论证和自由的社会论证这两种不同的论证理路；而正是在这两种论证路径之难以融合的重大张力下，哈耶克最终混淆了两种不同的法律规则观，从而导致了哈耶克法治理论的内在矛盾。

The basis of static, flat汇交system of forces, torque and couple Department of plane, plane general system of forces, center of gravity and centroid, the internal force and internal force diagram, tension and compression, torsion, bending, stress analysis and strength of the theory of the stability bar , the point of movement, the basic rigid-body movement, points of complex, rigid body planar motion, the movement of particle differential equations, dynamic general theorem, static and dynamic method.

静力学基础、平面汇交力系、力矩与平面力偶系、平面一般力系、重心和形心、内力和内力图、拉伸和压缩、扭转、弯曲、应力状态分析和强度理论、压杆的稳定性、点的运动、刚体的基本运动、点的复合运动、刚体的平面运动、质点的运动微分方程、动力学普遍定理、动静法。

The long-term existing theory of wood collapse which is thought to be caused by "negative pressure" resulted from capillary tension in the water capillaries was called in question in this paper.

长期以来，木材皱缩现象一直认为主要是因为木材中液体毛细张力产生的&负压强&压溃细胞壁造成的，本文对此提出了质疑。

ABSTRACT Rough sea surfaces are formed with the interaction, which is nonlinear, of seasurface wind and gravity and surface-tension of sea water. Also nonlinear is the interaction of sea surfaces with electromagnetic waves. So nonlinear theory and method should be employed in the study of EM scattering from rough sea surfaces.

粗糙海面是在海面风、海水的重力和海水表面的张力的相互作用下形成的，这种相互作用是非线性的；电磁波照射到海面后，电磁波与海面的相互作用也是非线性的；因此采用非线性的理论和方法研究电磁波与海面的相互作用更能反映其物理本质。

By simplifying the mechanical model,constitutive relation defined in principal direction based on elasticity theory with different moduli was rebuilt in common ordinates,and tension-compression area was divided.

通过合理简化模型，将不同模量弹性理论中定义在主坐标系下的本构关系重新建立在普通坐标系下，进行拉压分区，从而推导了考虑自重且顶部有水平推力的不同模量弯压柱近似弹性力学解答，并由横截面上正应力为零判定了中性层的形状和位置。

In order to simulate the loop construction of warp-knitted structures more truly with computer technology, loop offset theory and calculation formula are derived after observing the loop construction of all kinds of warp-knitted fabrics and analyzing the regulation of loop offset caused by yarn tension.

为了采用计算机技术更真实地模拟经编组织中线圈的形态结构，通过观察各种经编针织物的线圈结构，分析由纱线张力所引起的线圈偏移规律，得出了线圈偏移理论和计算公式。

The main research tasks and results are as follows:(1) Through comparing the stress intensity factor of compact tension specimen calculated by finite element software with the theoretical value, the feasibility of calculating fracture parameters of crack tip in ABAQUS software was verified.(2) The relationship between the elastic modulus of the material and research scale was studied based on deriving the cohesive stress theory and other relevant theories. And the elastic modulus of the material on meso-scale was determined.(3) Global model and sub-model of the finite element were built in th...e macro-scale, and stress-strain field nearby the crack tip was analyzed, and the results show that the detailed stress-strain in the crack tip could be obtained by using the sub-model technique.(4) In meso-scale, the crack growth model was also established by assuming the crack propagating along the grain boundary, and the detailed stress-strain field in the crack tip was obtained.(5) The effect of crack length on Von Mises stress, and maximum principal stress and strain was analyzed in meso-scale when equivalent KI equals 30MPa.m1/2. And the results show that except for crack tip area, the stress-strain distribution in whole specimen is not affected.

主要完成研究内容和取得成果如下：(1)利用有限元软件计算出紧凑拉伸试样的裂纹尖端应力强度因子KI值，其结果与理论值一致，从而验证了利用ABAQUS计算裂纹尖端相关断裂参量的可行性；(2)在研究内聚应力等相关理论的基础上，推导出了研究尺度与材料弹性模量的近似关系，并确定了介观尺度上的弹性模量；(3)在宏观尺度上建立了全局有限元计算模型和子模型，得到了裂纹尖端应力应变场分布，结果表明利用子模型技术获得比较准确的裂纹尖端应力应变场分布是可行的；(4)在介观尺度上利用平均晶粒尺度的方式建立了裂纹沿晶扩展模型，得到了裂纹尖端断裂过程区的微观应力应变场；(5)当应力强度因子为30MPa.m1/2时，分析了介观尺度上在裂纹沿晶扩展过程中裂纹长度对Mises应力、最大主应力和应变的影响，结果表明，裂纹扩展长度对试样整体应力应变分布影响不大，而对裂纹尖端区域有较大影响；(6)介。。。

The theoretical surface tension of Na2SO4 solution is in good agreement with the results of the method based on the EWOD theory in this paper.

进而计算了内芯与液滴的界面张力，这种方法可用于一般固液界面张力的测量。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。