查询词典 torsional

The speeds of different kinds of stress waves(such as compressed stress wave and torsional stress wave) are unequal under coupled impact load. So the internal forces in structure are different between different areas, and the boundaries of these areas are changing with time.

在耦合冲击载荷作用下，注意到各种应力波(如轴向压缩应力波和扭转应力波)的波速不同，结构被分成若干区域，各区域的内力不同，且这些区域的边界随时间变化。

These include high static and dynamic tensile load, torsional stress, small bending radii, multiple bending and deflection, high travel speed and tumbling.

包括高静态和动态拉伸负荷和扭应力，小弯曲半径，多弯曲和偏转，高运行翻转速度。

The state of being twisted into a spiral;torsional stress or strain .

螺旋状，扭力扭成螺旋状；扭转的压力或张力

The permanent joint is formed such that it extends around at least both of the through-holes (19, 20, 21, 22) for forming a connection between the connection block (17, 18) and the outer heat transfer plate or end plate that is resistant to torsional stress.

永久连接结构至少围绕两个通孔（19，20，21，22）延伸，以在连接块（17，18）和外部传热板或端板之间形成抗扭转应力的连接，因此，带外螺纹的连接装置能拧入板式换热器而不会使永久连接断裂。

Steel - Torsional stress fatigue testing?

钢--扭应力疲劳试验？

Based on the fatigue test results of SAE 1045 medium carbon steel,the multi-axial fatigue life predication models for different ratios of torsional nominal stress amplitude to the axial one are studied respectively.

基于SAE 1045中碳钢的单-多轴疲劳试验结果，在研究了扭转名义应力幅与拉伸名义应力幅不同比值时的多轴疲劳寿命预测模型之后，建立了统一的多轴疲劳寿命预测模型。

It is found that the shear stress in the torsional bar is much higher than that in the main shaft except blowing operation.

发现了除吹炼工况外扭力杆剪应力明显高于耳轴剪应力等现象。

Working conditions of drilling string is complex underground, various factors ofteninteract, in the process of drilling, drilling string acts complex movement in drill fluid, drillfluid unavoidable corrupt drilling string because such as oxygen, hydrogen sulfide and manysalts are dissolved in it. At the same time, many cyclic stresses act on drilling pipe, such asflexural cyclic stress, torsional cyclic stress.

钻柱在井下的工作状态是复杂的，常常是多种因素交织在一起的，在钻井过程中，钻柱在溶解了氧、硫化氢及各种盐类的钻井液中作复杂运动，不可避免的受到它们的腐蚀作用，同时还要受到弯曲、扭转等交变应力作用。

The influence of the defect on the torsional stiffness and the stress distribution are calculated and analyzed by finite element method. The defect widths range from one-tenth of the femur outer diameter(0.1D) to (0.3D), and defect lengths range from 1D to 5D.

计算结果表明：骨缺损长度为D时，对股骨扭转刚度和剪应力分布的影响较小；骨缺损长度从2D增至4D时扭转刚度急剧减小，而且剪应力的最大值位于骨缺损中心。

METHODS: The endodontic instrument was assumed as a metal conical bar. The normal stress of bending loads and the shear stress of torsional loads were calculated with the knowledge of mechanics. The relations between stress and such parameters as angle and radius of canal curvature, radius of instrument, polar moment of inertia, and metal elastic modulus were analyzed. The criteria for yielding and fracture of the instrument were discussed.

将根管器械刃部假设截面为圆的金属细锥杆，利用材料力学及断裂力学的原理与方法，分别计算根管器械在弯、扭载荷下的应力分布，分析应力与根管弯曲角度、根管弯曲半径、器械直径、器械横截面极惯性距、金属弹性模量等参数的确切关系；探讨器械屈服、断裂失效的准则。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐