查询词典 surface element

By means of finite element method,surface mechanical attrition treatment processes,such as strain,strain rate and stress of surface layer of the treated sample during the SMAT,were investigated.

运用有限元分析方法，对低碳钢表面机械研磨处理过程进行了数值模拟，分析计算了材料表面层的应力和应变分布情况，初步探讨了应变量和应变速率对材料塑性变形机制的影响。

The surface element of the material are not only changed, it is more important that electronic configuration of surface atoms have been changed remarkably, because of doping different metal ion.

我们在利用SPS和FISPS对过渡金属(M＝La，Cu，Co，Ni)复合氧化物系列的研究中发现，由于掺入不同的金属离子，不仅材料的表面元素发生了变化，更重要的是表面原子的电子组态也发生了明显的变化。

To thoroughly solve this problem, this paper built a 3-D finite element model of an surface wave EMAT used for the surface inspection of aluminum plates. Simulation analysis of the model revealed that transduction efficiency of the EMAT was greatly affected by EMAT parameters.

为了从根本上解决该问题，对用于铝板表面检测的电磁超声表面波换能器进行了三维有限元建模和仿真分析，发现换能器的几何参数对EMAT的换能效率具有重要影响。

Practicability of Surface Evolver in evolving prediction of SMT solder joint is reviewed and validated. Chapter five: finite element analysis method based on minimal energy principle with application of Surface Evolver is firstly used in evolving prediction of the kind of BGA solder joint shape.

基于最小能量原理的有限元数值分析方法与边界值积分数学分析方法相比，能更有效地求解各类SMT焊点三维形态成形预测问题，并具有很好的热应力分析延续性和良好的分析精度。

On the basis of investigation into problems in the rural road surface of Liaoning Province, we simulated the shear stress between surface layer and base layer by finite element method, changed the pavement structure parameters and traffic load conditions, and found out that overloading and frequency of speed-changes in longitudinal slope driving were the main factors of forming slippage in asphalt pavement.

在对辽宁省低等级公路路面病害调查的基础上，运用有限元分析软件对基层和面层间的剪应力进行模拟计算，通过改变路面结构参数和行车荷载，得出了面层和基层层间剪应力变化的一般规律。结果重载和车速在纵坡行驶时的频繁变化是导致路面推移现象的主要因素。

The intensity formula shows that the light intensity at any point of a curved surface is not only related to the amplitude at the point, but also related to the included angle between the Poynting vector and the direction of the local differential surface element.

这个推广的定义式表明，曲面上任一点处的光强值都不仅与该处的振幅有关，而且还和该处的时间平均能流密度与面元方向的夹角有关。

Its physical model is put forth:"Out of an element of the isothermal surface of non-penetrate material covered airtightly by a perfect reflector, the emission is the one of blackbody at the temperature of the isothermal surface."

第二类黑体辐射源概念和物理模型的提出是在他人早期实践及初步模型的基础上抽象而成。

Analyzed on the tunnels that used EPB method in different soils, the more logical three-dimensional finite element model is based, which can reality represented the soil transfiguration. 3 Due to the engineering example, a 3D FEM simulation model was founded. The model was used to study the rules of soil deformation and surface settlement during shield tunneling. 4 The characteristics of loess include the module, conglutination force and inner friction angle of the loess, affected the soil deformation. 5 The influence factors to the surface settlements such as the depth of soil, the outer diameter of the shield tunnel, the released stress at the cutting face, the fill ratio of the shield tail void, pouring-slurry press, thrusts and lengths of shield and digging steps were studied using the FEM method. References is brought forward in the loess areas of Xi'an was proposed.

通过对不同土质条件下盾构法进行地铁隧道施工的有限元分析，全面反映盾构推进对土体变形的影响情况； 3根据有关勘测资料，建立合理的盾构法施工三维非线性有限元模型，对盾构法施工引起的地层变位和地表位移情况进行计算，分析了盾构施工引起的地层变形规律和地面沉降规律； 4研究了黄土特性(地基模量、粘聚力和内摩擦角)对盾构法施工中土体变形的影响； 5利用三维有限元对盾构施工过程中影响地面沉降的因素(覆土厚度、隧道外径、开挖面压力变化量、注浆压力、盾尾空隙填充率、开挖步长、盾构机的长度和推进力等)进行研究，为今后西安地区地铁的建设提供参考。

In order to realize the miniaturized frequency selective surface, a new miniaturized-element frequency-selective surface is presented by bending the edge of square loop aperture into the inner space to lengthen the resonant length.

摘 要：为了实现频率选择表面单元的小型化，通过在方环单元的内部空间中弯曲方环边长来增加谐振长度，设计了一种新型小型化频率选择表面。

With temperature increasing, granular outshoot prefer to grow along with vertical direction of surface of BN core, as well as the wrapped leaf-like shape form from granular ones. And the productions always kept complete morphology of sphere, which was due to the uniform growth of fluffy film on the BN core. Wrapped leaf-like structure of BN piece in fluffy film favored increasement of measured surface area and elimination of oxygen element.

凝并在球核表面的中间产物受到初始BN球核在空间上的诱导作用，随着温度的升高，突出物倾向沿着垂直于球面的方向向外生长，形貌由普通的粒状转变为卷叶状；绒膜的厚度均匀一致，产品得以保持规整的球状形貌，绒膜中卷叶状的BN结构利于氧杂元素的脱除，同时增加了比表面积。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。