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It is proved that the method using the BEM to calculate the load distributions on the contact lines of involute gear pair, in which the applied load is taken in the form of a concentrated one at a single node, is not suitable. A method in which the tractions of the BEM are made to imitate the Hertzian pressure of the gear using 8 nodes isoparametric elements is introduced.

本文解决了边界元法在空间啮合副计算中存在的系数矩阵的存储，奇异单元积分的计算、表面不连续点处面力一点多值和求解未知量的线性方程组矩阵元素的计算等问题，编制了比不采用上述处理方法的一般边界单元法节省近一半内存和计算时间的适合空间啮合副的三维边界元法计算程序。

Finite-difference beam propagation method is used to calculate and analyze the influence of different structural parameters on birefringence of holey fiber.

采用有限差分波束传播法计算分析了不同结构参数对多孔光纤双折射的影响，结果表明，调控这些结构参数能在特定的波长窗口获得稳定的拍长，且拍长值也可以根据实际需求设计调整。

Calculation of specific volume of blends based on equations of state ;2. Equations of state of MgB_2 from first-principles calculations;3. With hydrodynamical model and equations of state ,calculate the results of final state distributions of ~(197)Au—~(197)Au collisions at 100+100 GeV per pair of nucleons.

应用流体动力学模型，分别采用包含相变的状态方程和不含相变的状态方程，计算了每对核子能量为100GeV~(197)Au—~(197)Au 碰撞的末态碎裂时空分布、末态快度分布，并分析讨论了影响末态分布的因素。

The variational method and the effective mass approximation are used to calculate the phonon effects on the hydrogenic impurity states in a cylindrical quantum wire with finite deep potential by taking both the couplings of the electron-confined bulk longitudinal optical phonons and the impurity-ion–LO phonons into account.

采用有效质量近似和变分方法，同时考虑电子-约束型体纵光学声子及杂质离子-LO声子耦合，计算了有限深柱形量子线中杂质的极化效应。

Methods: On single-plane and biplane DSA images (including cases with normal ventricular wall motion,hypokinesia and insufficient mixing of contrast medium in ventricular cavity) the area-length method and videodensitometry method were used to calculate the volume and EF respectively.

结果：双向造影的长度-面积法EF测量值与实际值无显著性差异(P＞0.05)；单向造影的测量值在局部室壁运动减弱时差异显著(P＜0.01)；视频密度测量法在室腔内造影剂混合不均时测量值有显著差异(P＜0.01)。

However, the result is spatially discrete and temporally incontinuous when we calculate the energy of the solar radiation on the Earths surface using general meteorologic parameter.

本文在对极轨气象卫星第一、二通道反照率观测值与地表总辐射关系的物理基础进行分析后，运用回归分析的方法，建立了利用第一、二通道反照率观测值反演计算地表太阳总辐射的回归模型。

Some shots must be set manually, but for the majority of shots, I want tools that allow me to set the stereo and calculate the interaxial and convergence point for me, based on what I want to achieve.

有的拍摄场景必须人工设置，但是对于大部分场景，我想要一个能够根据我要的效果，为我建立起立体效果、计算轴系和合成点坐标的工具。

Furthermore, a practical formula is proposed based on the experimental results to calculate the ultimate strength of the reinforced concrete columns strengthened by circular steel jacketing.

在试验结果的基础上，提出了圆形钢套管加固钢筋混凝土柱极限承载力计算的实用公式，极限承载力的计算结果和试验结果吻合良好。

For this problem, finite element method based on deep shell element( much project practice prove veracious) is taken to calculate SCF and compared with the results of the method KAW、DNV and EFT.

针对这一问题，利用基于厚壳元的有限元法（大量工程实践检验结果表明该方法计算结果相对准确）对K型管节点的应力集中系数进行了计算，并将计算结果与KAW、DNV及EFT法计算结果进行了对比分析。

There will be potential post-settlement that maybe made largish harm to traffic and transportation for high-grade highways built on soft soil foundation, so it is necessary to calculate and forecast soft soil roadbed settlement before treatment.

软土地基上的高等级公路，潜在的工后沉降会对交通运输造成相当大的危害，因此在进行地基处理前就要对路基的沉降进行较为准确的计算和预测。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。