圆柱

The experiment is carried out to investigate coherent structure s in the near wall region of turbulent boundary layer interacting with the wake of a circular cylinder in the outer region of turbulent boundary layer.

对边界层外区的圆柱尾迹流动结构对边界层近壁区相干结构的影响进行了实验研究。

Based on the structure of a non-tracking internal-concentrator solar PV-thermal tube collector and the absorber design requirements, the optical design for the compound parabolic concentrator with half cylinder absorber is proposed to improve the solar energy efficiency. Matlab software was used for the optimization and simulation of the concentrator curve and shape. The curve equation of concentrator for maximum incidence of light of the collector was obtained; and the installation locations for CPC/half cylinder absorber and the necessary CNC processing parameters were optimized.

针对非跟踪内聚光光电－光热复合管的结构及接收器的设计需求，对管内具有特殊形状的半圆柱接收器的复合抛物面聚光器进行了光学设计，并利用Matlab软件对聚光器曲线和形状进行了优化与数据仿真，得到了光热复合管能够得到最大入射光的聚光器的曲线方程、安装位置以及供数控机床加工所需的参数，给出了不同入射角的光线和光强分布图，提高了太阳能的利用率。

Through studying the intersection of paraboloid of revolution and cylinder , the author concluded that the horizontal projection of the intersecting lines—, is the famous Four-order algebra curve-Perseus curve.

通过对回转抛物面与圆柱面相交的研究，得出交线的水平投影曲线——为四次代数曲线——Perseus座曲线的结论。

Then the single layer spherical, cylindrical, elliptic paraboloidal reticulated shell and double layer cylindrical reticulated shell are calculated on the large deformation stability respectively, which show the application of the development system on the large deformation stability analysis of space bar structures.

用所开发的系统对单层球面网壳、圆柱面网壳和椭圆抛物面网壳以及双层柱面网壳进行了大变形稳定性计算，说明了所开发系统的可应用性。

Place the specimen in the spectrophotometer with its cylindrical axis parallel to the slit and in such a way that the light beam is perpendicular to the surface of the section and that the losses due to reflection are at a minimum.

将样品放入分光光度计，使其圆柱轴与狭缝平行，这种方式可以使光垂直照射在样品的表面上并使光反射的损失最小。

The minimum outer enclosure parallelepiped is given and the definition on minimum outer cylinder and the model for its solution are proposed.

给出了比现有文献更小的外包容平行六面体，并引进了最小外包容圆柱的定义、求解模型。

According to the helix theories of cylinder,the essential factors of helix with torus are analyzed,and the parametric equation of helix on torus is given based on analytic geometry.

根据圆柱螺旋线理论，分析了形成圆环螺旋线的要素，并运用解析几何方法建立了圆环螺旋线的参数方程。

In this thesis, an enhanced patch test function for Mindlin plate and thin cylindrical shell elements is proposed.

本文首次提出并建立了Mindlin板和圆柱薄壳有限元增强型分片检验的检验函数。

The major theme of both his rural and urban building was temple architecture, with a strong pointed pediment supported by columns and approached by wide steps.

无论是他的乡村建筑还是城市建筑，其主题都是殿堂建筑，包括宏伟的三角楣饰、支撑的圆柱以及宽阔的台阶。

He tried his hand at bridges—his unbuilt version of the Rialto Bridge was decorated with the large pediment and columns of a temple—and, after a fire at the Ducal Palace, he offered an alternative design which bears an uncanny resemblance to the Banqueting House in Whitehall in London.

帕拉第奥曾尝试桥梁设计，在他未建版的里亚托桥的设计中，桥身被巨大的三角楣饰和神殿式的圆柱所修饰。还有在公爵宫失火后，他曾提供了一份与伦敦怀特霍尔街的宴会宫极为相似的参选设计方案。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。