1) three spheres
三圆球
1.
Numerical simulation for flow past three spheres in tandem arrangement;
串列三圆球绕流数值模拟
2) sphere
[英][sfɪə(r)] [美][sfɪr]
圆球
1.
Diagraming the characteristic points on the intersection lines between a sphere and a cone by means of the method of anxiliary sphere;
用辅助球面法求圆球和圆锥相贯线上特殊点
2.
The contact melting processes of phase change material(the ice) under a sphere,which is driven by the temperature difference ΔT and pressure difference Δp,are investigated.
分析了圆球下的冰在压力与温差共同作用下产生的熔化过程。
3.
Based on the flow pattern stniccure obtained from free flight experiments, a method of solving the low supersonic, high Revnolds numbers separated flow problem is proposed in this paper by which the inviscid region of the afterbody flowfield of a sphere has been simulated numerically.
本文根据圆球跨声速自由飞行实验的流谱结构,建立了低超声速圆球分离流动的流动模型,它成功地计算了考虑粘性分离影响的圆球绕流的后体流场。
3) Granoreticella
圆球藻
5) spherical shell
圆球壳
1.
The internal force states of the spherical shell under nonmomental assumption is analyzed following the twin shear stress yield criterion.
利用已建立的基于双剪屈服准则的钢筋混凝土壳体的屈服条件,研究了圆球壳屈服时无矩理论下内力状态,导出了壳体各区域的本构关系和塑性屈服条件,并用机动法和静力平衡法计算了圆球壳在竖向均布载下的极限载荷。
6) ball surface
圆球面
1.
The forming principle of elliptical hole and the ball surface is illustrated in this paper,and it also introduces the processing method to elliptical hole and the ball surface with universal miller.
本文阐述了椭圆孔及圆球面成形原理,介绍了利用万能铣床加工椭圆孔及圆球的方法。
补充资料：圆球度
分子式：
CAS号：
性质：表示非球形颗粒的形状与球形的差异，又称为形状系数(shape factor)，一般用符号φs，表示。圆球度是与颗粒体积相等的圆球的外表面Ss与颗粒的外表面积Sp之比，即φs=Ss/Sp。由于非球形颗粒的外表面积Sp一定大于等体积圆球的外表面积SS，因此φs≤1。φs值愈小，说明颗粒的形状与圆球的差异愈大。
CAS号：
性质：表示非球形颗粒的形状与球形的差异，又称为形状系数(shape factor)，一般用符号φs，表示。圆球度是与颗粒体积相等的圆球的外表面Ss与颗粒的外表面积Sp之比，即φs=Ss/Sp。由于非球形颗粒的外表面积Sp一定大于等体积圆球的外表面积SS，因此φs≤1。φs值愈小，说明颗粒的形状与圆球的差异愈大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条