查询词典 surface element

According to this model, the dimensionless velocity potential of the incident acoustic field,(where, F is the velocity potential, v 0 the velocity amplitude of the vibration source, k =2 p / l the wave number), can be expressed as an integral equation over the surface of the levitator emitter and reflector, and then solved by the boundary element method.

该模型将入射声场速度势 F 的无量纲形式，（ v 0是声源振动速度峰值， k =2 p / l 是波数），表达为发射端和反射端表面上的边界积分方程，并通过边界元方法求解。

Keywords: mirrorsymmetric matrices; mode decomposition; multiconductor transmission lines; partial element equivalent circuit; magnetized surface current

中文关键词：镜像对称矩阵；多导体传输线；部分元等效电路法；表面磁化电流

The purposes of this thesis are focused on the finite element biomechanical analysis, which contains surface mesh optimization and biomechanical analysis of Nuss pectus excavatum repair.

本论文之目的，在於研究有限元素法於生物力学分析上之应用，研究内容包括了表面网格最佳化以及纳氏漏斗胸手术之生物力学分析。

Absctrct: Objective This study was designed to investigate the stress distribution in the surface of tooth and peridental tissues and the initial displacements of tooth in the maxillary under two orthodental simulating force rectangular archwire with T loop and II class elastic used clinically by the 3-D finite element method so as to clarify the biomechanism of orthodontic tooth movement and component of optimal orthodontic force system.

目的：通过有限元分析法比较两种工况下上颌各牙齿的位移趋势和牙根及牙周支持组织内的应力分布规律，为临床治疗中合理选用矫治力系统以便有效的控制牙齿移动类型提供可靠的理论依据。

In the past, polyphosphate sodium and other kinds of phosphate were of high cost in production and they caused a great damage to the surface water by the phosphor element because of the overcommit of scour.

三、项目概况：本项目所生产的4A沸石，在业内被称作代磷助剂，是洗涤剂的重点组成部分，发挥漂白、清污的作用，以往洗涤剂中聚磷酸钠及其他磷酸盐，不仅造价高，而且由于过量使用洗涤剂，已经造成了磷无素对地表水的严重危害。

Shandong shengde machinery co.,ltd.is acomrehensive enterprise that integrates scientific research,design, manufacture,technique cinsultation and after-sales service in one body.the company specializes in the resesrch,development and protionof new products,new technique and new technology of blasting shot equipment,in all wauys develop the utilization area of surface cleaning technique ad equioment.all theproducts of the company are designed with CAD,rapin mideling,finite element analusis,simulation movement and interference inspection.the main products include shot blasting machinery,sand treating equipment,environmental protection quuipment.customized making of non-standard special equipment is also possible.the company passed the IS9001certificate leading inthis industry.

山东盛德机械有限公司是集科研设计、机械制造、技术咨询和售后服务于一体的综合性企业。公司依靠自身实力致力于抛喷丸清理设备新产品、新技术、新工艺的研究、开发和推广，全方位拓展表面清理技术和设备的应用领域。公司所有产品全部采用CAD辅助设计，快速建模，有限元分析，模拟动作，干涉检查。公司主要产品有清理机械，砂处理设备、环保除尘设备等，并可以根据用户需要设计制造各种非标专用铸造机械。企业在铸机行业率先通过IS9001国际质量体系认证。

Finite element method ; faceting ; calculation errors ; surface tension ; melt growth

有限元方法；小面化；计算误差；表面张力；熔体生长

In simulated HLLW Zirconium ion hydrolyzes easily, but other element ions all exist as ion, therefore them hardly adsob on surface of silica xerogel.

在模拟高放废液中，锆很容易水解，而其它的元素离子在酸性条件下，均以离子形式存在，因此很难在SiO〓干凝胶的表面上吸附。

Element Ti segregates at the surface of Al〓O〓 particles after brazing.

焊后涂层中活性组元Ti在Al〓O〓陶瓷表面偏聚。

Lubricant dynamic characteristics in lubricant region of the four-leaves bearing were researched by using boundary element method,the distribution of flow field in lubricant and the pressure on the surface of bearing neck and bearing was obtained.

用边界元方法对复杂轴承中四叶轴承的流体动力学特性进行了分析，得到了轴承润滑区的流场分布、轴颈表面和轴承内表面上的压力分布。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。