查询词典 surface element

The stream function equations are derived, based on the fluid equations of motion on a revolving S 1 stream surface in centrifugal pump impeller, for indirect boundary element method. The equations are suitable ideal and incompressible fluid flow with rotation or non rotation in absolute coordinate system.

根据离心泵叶轮S1流面的流体运动方程，推导了间接边界元法所需的流函数方程，它适用于不可压理想流体的绝对流动有旋或无旋流动。

The general condition for athermalizing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expanded.

推导了物面位于有限远和无限远时，实现热补偿的通用条件；并阐述了利用归化T-C 图设计消热差和消色差的红外光学系统的原理和方法。

The general condition for athermalzing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expounded.

本文推导了物面位于有限和无限距离时实现光学补偿的通用条件，论述了利用归化T-C图设计热补偿和消色差红外光学系统的原理和设计方法，给出了8-12μm波段内、焦距123mm、相对口径F/2.5在20-60℃温度范围内的折衍混合红外光学系统的设计结果和理论评价结果，所述的设计方法可方便地推广到前视红外系统中。

Without considering surface covering layer, the surface earthquake dislocation and strain distribution near active fault were calculated under different conditions of magnitude, fault movement style and fault dip angle using 3-D finite element method. Based on above results, the safe distance of active fault to important project site was studied.

：在不考虑地表覆盖层的情况下，采用三维有限元方法计算了不同震级、不同断层活动方式以及不同断层倾角下断层上、下盘地表的地震位移及形变分布，通过设定的安全距离判定标准，研究了各种情况下工程场地距断层的安全距离。

The preliminary results show that the technique can not only in voke fast heating and rapid cooling proceses inside surface lagers of the samples, but also implant the required element into the material surface.

试验结果表明，该技术能使材料表面产生快速加热和快速冷却，并能把所需要的元素注入材料表面，在材料表层有新的氮、碳化合物相产生。

The results of XEDS suggested that U and Ba were enriched on the surface; at the same time, Ca and Ti had a little depleted on the surface of pyrochlore-rich synroc; the results of XRD and SEM indicated that Fe〓O〓 can increase the corrosion of glass and pyrochlore-rich synroc; The results of glass mass loss rate showed that bentonite had the most corrosive to the glass specimens among barrier media; the results of XEDS indicated that Ca、Fe and A1 element were enriched on the glass surfaces, Si and Mg had slightly depleted, and Na was completely depleted.

玻璃固化体样品分析结果显示，膨润土体系有增加玻璃腐蚀的倾向。X-射线能谱分析表明，在玻璃样品表面Ca、Fe和Al元素呈富集，Si和Mg元素略有浸出，Na元素基本完全浸出，这同其他浸出实验结果一致。

Sb doped Ti-base tin dioxide electrode with an inter-layer was prepared by electrochemical deposition and thermal oxidation. The micrograph of the electrode surface, the element composition of different layers and the structure of the electrode surface were analyzed by SEM, EDX and XRD.

采用电沉积热氧化法制备了含有中间层的Sb掺杂钛基SnO2 电催化电极(Ti/SnO2)，采用SEM、EDX以及 XRD 等检测方法对所制备电极的表面形貌、元素组成及结构进行分析，并以苯酚为目标有机物，研究所制备电极对有机污染物的电催化降解能力。

The simulations of the design of the pressing surface, technological supplementing surface and drawing rib of the die and the forming process of the metal sheet part were realized with the commercialized software AutoForm, which changed the traditional method that needs frequent improvements in the die with a CAD software after finite element simulation.

改变了传统的在有限元模拟后依靠CAD软件进行频繁模具改进的方法，在有限元软件内部实现了模具的参数化设计，既缩短了模具设计时间，又提高了模具设计可靠性

Accompanied with the spark discharge,the cell voltage presents oscillations within the range of several volts,and the surface morphologies,the element distribution as well as the surface potential distributions of the anodic layer are significantly changed.

在电火花的影响下，镁合金氧化试样的表面形貌、元素分布以及表面电位分布等都发生了显著的变化。

In order to study the principle of the road surface deicing and snow-melting system where electric heating cable is used, finite element method is adopted for calculating the change of road surface temperature.

为研究发热电缆路面融雪化冰机理，采用有限元分析方法对路面温度变化进行研究，得到不同气候条件下道路表面及结构层内的温度分布、升温规律。

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。