查询词典 spherical surface

The special optical system including a main lens, a spherical -cylindrical lens and an inverting prism was designed.

通过设计一个带有主透镜、球面镜-柱面镜组合以及转像棱镜的特殊光学系统。

And the coupling efficiencies of the cylindrical mirror and the spherical mirror are studied and compared with diffraction theory.

应用衍射理论详细推导了柱面反射镜和球面反射镜对方形波导激光器的耦合效率。

According to the structure and motion characteristics of the spherical offset mono-cone bit, compound cylindrical coordinates were set up, and basic geometric equations and the conditions of teeth to penetrate rock for the bit were presented.

针对偏心单牙轮钻头的结构和运动特点，利用复合圆柱坐标系统的基本原理，建立了偏心单牙轮钻头几何学基本方程和牙齿对岩石的吃入条件。

However, some vertical cylindrical tanks and spherical tanks are in use.

但是，一些垂直柱状罐和球罐也有使用。

A new time-mode approach to nonlinear axisymmetric free vibrations of cylindrically orthotropic thin shallow spherical shell s is presented in this paper.

给出了一种研究圆柱正交异性扁薄球壳非线性轴对称自由振动的新的时间模态方法。

In this paper, dynamic nonlinear axisymmetric buckling of laminated cylindrically orthotropic composite shallow spherical shells including third-order transverse shear deformation is investigated.

本文研究了载荷类型、载荷持续时间和加载速率对复合材料层合扁球壳非线性动力屈曲的影响。

As a result, the special structure of spherical and polyhedron play a main role of extinction performance, and the vacuous structure enhances it by heat insulation and decalescence.

结果表明，水基泡沫的特殊球面体结构或多面体结构是造成光线强烈衰减的重要原因，其中空结构不仅增强了这种效应，而且起到了较好的隔热、吸热作用；水基泡沫体系中的表面活性剂、O 2、CO 2和H 2 O是主要的光线吸收物质；而添加剂是调节或增强水基泡沫吸光特性的重要环节。

The results show that fatigue crack began to initiate at an interior inclusion at about 5%-10% of fatigue lifetime, and then many micro-cracks formed dispersively due to the decohesion of spherical carbide around the inclusion from the matrix, which will grow and coalesce each other with fatigue processing.

这种现象被认为是由于材料内部存在的非金属夹杂物引起的闭。目前的长寿命疲劳设计是以材料或结构在1护次应力循环的实验数据为基准的，而机器和结构承受1丁以上交变载荷的情况并不少见[3]。

The spherical, elliptic, spindle and decussate particles were produced by controlling the conditions of hydrothermal synthesis.

研究了制备条件对纳米氧化铁产品性质的影响，并对整个制备过程进行了分析。

The purpose of this study is to analyze the characteristics of radiochromic film dosimetry, including the film response versus time, dose linearity, energy dependence and angular dependence. In addition, we measure the output factors for the field defining collimators used in gamma knife by using spherical phantom. The measurement results were compared with the results of Monte Carlo simulation.

本研究将探讨辐射变色软片侦测辐射之特性，包括软片反应与时间关系、剂量线性度、能量依存度及角度依存度；并使用加马刀立体定位放射手术剂量验证用之球型假体，量测加马刀四种不同大小准直仪头盔之剂量分布及相对输出因子，并与蒙地卡罗模拟结果作一比较分析。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。