查询词典 spherical cap

The results showed that spherical BaCO3 particles with low reaggregation and uniform size of about 100nm could be prepared by using solid-state reaction of Ba(NO3)2 and Na2CO3 at room temperature; while stick shape particles, whose size is not uniform, were obtained for the BaCl2 2H2O and Na2CO3 system. For the Ba(NO3)2 and NH4HCO3 system, the products are spherical whose average size is about 200nm.

利用Ba(NO_3)_2与Na_2CO_3固相反应体系，可以制备出平均粒径约为100nm，形貌近似为球形的纳米BaCO_3；由BaCl_2·2H_2O与Na_2CO_3体系所得产物主要为棒状BaCO_3，且大小不一；由Ba(NO_3)_2与NH_4HCO_3体系可以制备出平均粒径约为200nm、形貌近似为球形的BaCO_3粒子。

In those cases, the plane waves have been transformed into cylindrical waves or spherical waves separately, and compute the reflecting factor of each spherical wave or cylindrical wave. When the plasma is unhomogeneous, the plasma slab can be divided into many sub-slabs and the solution can be found by using boundary conditions.

处理时将平面波展开成柱面波和球面波，分别求各个谐波的反射系数；对于非均匀介质，采用分层的方法进行处理，并在分界面匹配边界条件，得到较严格的结果。

The mathematics description of the non-spherical lens is the most important problem for the beam shaping system design. A numerical simulating method and its precision analysis are given, and the results indicate that this method is simple, and can be used for the design of LD beam collimating system with non-spherical lens.

非球面柱透镜曲面的数学描述是人们目前关注较多的问题之一，作者使用数值拟合的方法，对其进行了数值拟合并给出了精度分析，结果表明：该方法简单、直观，能够完全满足特定精度的要求，从而可以方便地用于非球面柱透镜的分析和设计。

The spherical Pb particles formed by spheroidization of Pb film and the truncated cuboctehedral Pb particles formed by faceting of spherical Pb particles during annealing.

在冷轧及退火过程中发生的Pb膜球化和Pb颗粒晶面化都是在界面能驱动下的系统能量降低的过程。

The magnetomechanical modeling of spherical magnet incased in spherical vessel is established. The influence to magnetic force by magnetic conductivity, remnant magnetism and radius of magnet, radius of container and off-centering of magnet is analyzed. The conclusion has universal character.

以球形永磁体和球形容器为对象，推导出永磁体磁浮力模型，分析磁导率、永磁体的剩余磁化强度和永磁体半径、容器半径以及永磁体相对于容器中心位置的位移对磁场力的影响，结论具有一定普遍性。

Though the opacified lens is replaced by a crystal clear optics during the cataract surgery, the disturbance of the compensatory effect of nature lens to positive corneal spherical aberration has been made by the conventional spherical intraocular lens.

然而白内障手术去除了混浊的水晶体，但是所植入的传统球面水晶体虽然提供了透明无瑕的光学区，却忽略了角膜所产生的高阶像差，尤其是球面像差。

In imaging electron optics, for a concentric spherical system composed of two spherical electrodes with electrostatic focusing, the electrostatic potential distribution and the spatial-temporal trajectory of electron motion can be expressed by analytical forms. It is naturally to take such system as an ideal model to investigate the imaging properties, as well as the spatial-temporal aberrations, to analyze its particularity and to find the clue of universalities and regularities.

在成像电子光学中，由两个球面电极组成的静电聚焦同心球系统，由于其静电电位分布和电子运动的空间和时间轨迹能以解析形式表示，很自然被采用作为理想模型，研究其成像特性和空间―时间像差，分析系统的特殊性，从而寻找具有普遍意义和规律性的线索。

Geographic Distance and Azimuth Calculat - This article describes in detail the spherical distance and azimuth calculations and also provides sample code for three different approaches to distance calculations: one for a spherical model, and two for ellipsoid models

这个项目详细地描述了球面距离和azimuth的计算方法，提供了三种不同的方法来进行距离计算：一个用于球面模型，其它两个用于椭球模型。

To improve the quality of the image, the defocusing error was used to balance the piston error, spherical aberration and astigmatism, and the results were significantly improved, especially the wave surface variance caused by spherical aberration was decreased by 90%.

运用离焦误差对piston误差、球差和像散进行像差平衡，其效？灾乇鹗乔虿钜鸬牟娣讲钕陆？0％。系统各项像差系数随子孔径数的增加而降低；当子孔径数大于6时，各像差系数变化缓慢。

Cylindrical Roller Bearings, Spherical Spherical Roller Bearing and cone bearing bar are our company main products.

圆柱滚子轴承、球面调心滚子轴承及圆锥扎机轴承是我公司主导产品。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。