查询词典 spherical shell

The kinematic model for the spherical robot was established according to the nonholonomic constraint acting on it.

根据机器人所受的非完整约束，建立了其运动学模型。

In addition, the electrophoretic motion of a spherical particle with charge regulated surface normal to a plane is studied also.

此外，我们也对具有Charge Regulation现象的硬球垂直於平板运动的现象做一个探讨。

A freshwater blue-green alga of the genus Nostoc, forming spherical colonies of filaments embedded in a gelatinous substance.

念珠藻属念珠藻属的淡水蓝绿藻，在凝液物质中形成有细丝围绕的一种柱状

However , the Earth is not exactly spherical but is closer in shape to an oblate ellipsoid , a shape which bulges around the equator.

但事实上，地球表面更接近于一个扁椭球面，在赤道周围更加突出。

Based on rain drop size distribution data measured in Qingdao, Guangzhou and Xinxiang, the radar reflectivity factor Z for spherical rain drops, the radar reflectivity factor Z〓 and differential reflectivity Z〓 for oblate ellipsoid rain drops have been calculated.

基于雨致交叉极化理论，提出了雨致交叉极化的二阶小变量近似方法以及新的雨致交叉极化预测模式，与其它模式和实验数据比较表明，该模式更能反映波的极化特征，较其它模式有一定的改进。

From the basic theory of spherical symmetry GRIN medium, we bring out a new method on calculating the GRIN distributiing function., then several examples are given on the method.

第四章：由一种新的光线轨迹提出一种新的梯度折射率分布，并研究了具有这种分布的介质的光学性质，其中重点是其对表面漫射材料性能的改善。

It has great potentialities in such fields as micro-optics, integrated optics and optics communication.Firstly, based on the basic theory of GRIN optics the optical effects of the spherical symmetry GRIN micro-sphere lens were analyzed systematically.

本工作从梯度折射率介质光学的基本理论出发对球对称GRIN微球透镜的光学性能进行了系统分析；选择两种适当单体，采用悬浮扩散共聚法制备出聚合物梯度折射率微球透镜；测量所得透镜的折射率分布曲线和其他光学参数。

The algorithm automatically adjusts every image's inserting point by mapping multi-images onto a suitable sphere, to make accumulative average gray values of difference images on overlapped position be minimal, and then conversely maps the spherical image to plan image to finally get the stitched images.

该算法通过把多幅图像映射到一个合适的球面上，自动调整每幅图像的插入点，使得重合位置的差值图像灰度累积平均值最小，然后球面的图像反映射成平面形式，最终得到拼合图像。

Ordered macroporous SiO2 balls, exhibiting spherical structure with 200nm hexagonal-pores, have been successfully obtained by sol-gel templating method using the colloidal crystal balls consisting of the monodisperse modified polystyrene latex particles, which have been assembled into polymer opaline balls.

采用乳液聚合法合成了单分散改性聚苯乙烯乳胶粒，利用PS乳胶粒自组装制得胶体晶体微球，通过溶胶－凝胶模板法制备了有序大孔SiO2微球，通过SEM对改性PS乳胶粒、胶体晶体微球和有序大孔SiO2微球表面形貌进行了表征。

The first order approximation solution of temperature and interface for the spherical crystal growth in the undercooled melt is solved by the asymptotic analysis method.

结果表明在球晶生长过程中依赖于界面温度变化的界面动力学显著地减缓了晶体生长的速度，与忽略界面动力学的情形比较，界面动力学显著地拟制了球晶界面生长。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。