查询词典 torsion

If Z is a torsion-free abelian group, then the matrices of L relative to a suitable homogeneous basis of V are uppertriangular.

如果Z是挠自由的群，那么，在V内可选取一组齐次元素组成的基，使得L的矩阵是上三角的。

Secondly, it has drawn out the pointed YD-Lie algebras definition, in the category of Yetter-Drinfeld modules, let Z be a torsion-free abelian group, if we have a symmetric braiding c, for each G-graded algebra V over the G-graded space, a new Lie superalgebra with an operation _c satisfying an actions, then we can obtain a new Lie superalgebra, this paper to call it pointed YD-Lie algebra.

其次引出了点YD-李代数，即：在Yetter-Drinfeld模范畴中，对任意的一个G-分次代数Z(G为无挠群V，引入对称辫子c后，在V内作_c运算，即可得到一种新的李代数(本文称之为点YD-李代数)。

The fatigue reliability analysis for the 16V240ZJB diesel engine crankshaft inserving DF4B internal-combustion locomotive were carried out in thisdissertation.Firstly,according to the fatigue loads of the crankshaft,the bendstress and torsion stress at danger zone in rated operation modes werecalculated respectively.The stress randomicity of the crankshaft was analyzedrelating operation modes of acceptance,and the probability distribution ofstresses were obtained with statistical analysis.

运用本文所提出的疲劳可靠性分析模型(干涉模型-Miner准则综合法及弯扭复合模型)和经分析简化得到的材料p-S-N曲线和p-Sa-Sm-N曲面，分别按一维、二维疲劳应力及弯扭复合应力三种情况对东风4B型内燃机车16V240ZJB柴油机曲轴进行了疲劳可靠性分析。

Also - Hypoadrenocorticism (Addison's disease), Torsion of a retained testicle or uterus, particularly if pregnant.

，扭转保留睾丸或子宫，特别是如果怀孕了。

The components of the moving bridge yield rotation and torsion around the joints of air bearings and bending because of their limited stiffness of the bridge components and air bearing system.

指出在加速、减速过程中，惯性力作用在移动桥架上；由于机体和气浮导轨系统的有限刚度将使移动桥架产生相对于气浮轴承联结处的偏转和移动桥架本身部件的弯曲和扭转。

In this paper, the practical model for calculation torsion is set up in ALGOR FEAS, which is 3-D girder element model with rigid arms. The model is better used to calculate the effect of deviation load.

本文在ALGOR FEAS中建立了一种计及扭转的实用模型—带刚臂的三维梁单元模型，用此模型能较好地计及荷载偏载效应。

The rigidity, stress, and strain of lumbar spine following PLIF were greater than ALIF, but torsion indexes were smaller than ALIF.

后路椎间融合术的刚度明显强于前路椎间融合术，应变和应力也较前路椎间融合术有优势，但是其扭转稳定性却不如前路椎间融合术。

But the research of mechanism for angle of tibial torsion and relationship with some disease still in initial stage.

但对其后天形成机制和对部分临床疾病关系的研究尚处于初步阶段。

The angle dekko is used to measure the torsion angle of front wheel.

本课题设计的测角仪，适用于对汽车前轮扭转角度的测量。

The angle of tibial torsion is an inherent angle in human bodies.

胫骨扭转角是人体胫骨生理解剖的固有角度。

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