1) small round opening
圆形小孔
1.
Seismic behavior of frame connection with some small round openings on beam web;
钢梁腹板开圆形小孔削弱型节点的抗震性能
2) conical keyhole
圆锥小孔
3) small circular aperture
小圆孔
1.
Based on the accurate diffraction formula and the accurate expression of light intensity on the transverse plane, the characteristics of axial light intensity of planar wave diffracted by small circular aperture are investigated.
基于精确的衍射场公式和横截面上光强的精确表述 ,分析讨论了单色平面光波经小圆孔衍射后 ,其衍射光束轴上光强的最大值以及轴上光强极值的数目和小圆孔半径的关系 ;并且由此考察了一般的菲涅耳数计算公式的使用条件。
4) cone shaped hole
圆锥形孔
1.
To investigate the influence of the hole shape on the film cooling effectiveness of the maze composition structure of a combustor,a numerical study on the distribution of its wall temperature and cooling effectiveness was performed when the outside wall holes were dust-pan shaped holes,cone shaped holes and round holes.
为了获得开孔形状对燃烧室新型迷宫复合冷却结构冷却效率的影响规律,采用数值模拟方法研究迷宫冷却结构的外侧壁冷却孔分别为簸箕形孔、圆锥形孔和圆柱形孔时内外壁温的分布情况,获得其壁温及冷却效率的分布规律,并在迷宫冷却结构三层壁的热侧面对它们的冷却效率进行对比。
2.
Experiments on dust pan shaped holes, cone shaped holes and round holes have been conducted with secondary flow Reynolds number ranging from 10,000 to 25,000 and blowing ratio ranging from 0.
所用孔形是簸箕形孔、圆锥形孔及圆柱形孔 ,实验的参数范围为二次流孔径雷诺数 Re=1 0 0 0 0～ 2 5 0 0 0 ,二次流吹风比 M=0 。
5) Circular through hole
圆形通孔
6) circular cavity
圆形孔洞
1.
Scattering of SH-wave around a circular cavity in half space;
半无限空间中圆形孔洞周围SH波的散射
2.
In this paper,the dynamic response of an infinite circular cavity subjected to axially symmetric radial traction and fluid pressure in poroviscoelastic saturated medium is studied.
本文研究分析了粘弹性饱和介质中圆形孔洞在轴对称荷载和流体压力作用下的动力响应问题。
3.
Scattering of SH-wave with arbitrary incident angle by a circular cavity in right-angle plane is studied together with its influence on seismic ground motion.
研究了以任意方向入射的平面SH波对直角平面区域内圆形孔洞的散射与地震动问题。
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
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