曲率半径

Analyse the distributive law of shear-lag effect and influence of each structural parameter: pile length , bending stiffness of pile, bending stiffness of abutment, abutment length, different type of soil behind abutment, curve radius, width to span ratio,width of beam, etc. And the main influencing parameters were picked up.

进行结构参数分析，研究等代桩长、桩的纵向抗弯刚度、桥台纵向抗弯刚度、桥台高度、台后土压力、曲率半径、宽跨比及箱梁肋板间距等对剪滞系数的影响，从而得到影响无伸缩缝曲线箱梁桥剪力滞效应的主要参数和次要参数。

The equations of the curvature, curvature radius, main curvature and main curvature radius on hypocycloid抯 and epicycloid抯 theoretical tooth shape and practical tooth profile are deduced respectively.

根据微分几何知识，分别推导出内、外摆线理论齿形和实际齿廓的曲率、曲率半径、主曲率及主曲率半径的方程式，并绘制了内、外摆线理论齿形和实际齿廓曲线及理论齿形的曲率半径变化曲线。

Based on this result, neutral axle and curvature radius of different section is developed.

应力理论由轴向力的平衡得出积分，在此基础上推导出曲杆不同的截面的中性轴，曲率半径。

Cornea ; thickness ; radius of curvature ; endotheliocyte ; high myopia.

角膜；厚度；曲率半径；内皮细胞；高度近视

Through the numerical simulation analysis, the stress concentrationstatus before the crack splits has been researched, and the have been found. Therelationships between fracture splitting force 、 factor and opening angle,curvature radius、the depth of crackle groove have been carried out.

通过数值模拟，分析了应力集中程度，得出了预制裂解槽张角、曲率半径、槽深对裂解力及几何形状因子的影响曲线。

His exceptional social benefits have placed it to the worldly eyes like the great favorite for to achieve the worldwide title, but the two breakings of the past Sunday, an oil leak in Raikkonen's car and an engine trouble in the one belonging to Massa have cooled something tempers.

他的特殊社会效益放在它以世俗的眼睛一样伟大的最爱，为实现世界范围内的名称，但两地breakings的过去周日，石油泄漏，在莱科宁的赛车和一个引擎发生故障，在一个属於马萨有冷却一些脾气。

The obtained activation barrier of β-scission of 1-butene is 217 kJmol^(-1) in the reverse reaction of ethene dimerization.

反应的逆过程也就是1-丁烯在酸性分子筛表面的1-丁基烷氧化合物发生B分裂反应，计算所得相应的l-丁烯B分裂反应的能垒为217kJmol^(-1)，远高于相应的乙烯二聚反应能垒。