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- The cavitation erosion, silt erosion and their synergism tests were performed with the aluminum and steel hydrofoil in the water tunnel separately. 本文选用铝和钢两种材料的翼型试件,在闭式循环水洞中分别进行了空蚀破坏、泥沙磨损以及空蚀磨损联合作用的实验研究。
- The main contributions are as follows:1.A series of model experiment with developed super-cavitation are actualized in the water tunnel. 选题来源于国防重点基础项目研究;论文的主要工作和创新如下:1.;庄水洞中对空化器的超空泡生成与发展进行了系列模型实验。
- A series of underwater vehicle model experiments for the supercavity shape property are carried out at high speed water tunnel with ventilation method. 摘要在高速水洞中运用人工通气方法进行了航行体模型超空泡形态特性的系列实验研究。
- A man struggles through the Water Tunnel as others approach from behind during the Tough Guy Challenge at South Perton Farm on February 1, 2009 in Wolverhampton, England. 一名男子斗争水隧道通过其他方式从后面在硬汉挑战南Perton农场2009年2月1日在伍尔弗汉普顿队,英格兰。
- An experiment of the flowfield in the warship flight deck area is carried out in the water tunnel for different flow velocities and navigation direction angles. 为了满足舰载直升机的需要,南航直升机技术研究所对某舰飞行甲板区域流场进行了水洞试验。
- Black Dragon Pool, rock water, Nan Tianmen, al-song, and other water tunnel and the dragon and phoenix also has its own characteristics to the ancient "Tibetan Ten Hill. 黑龙池、滴水岩、南天门、拜水洞和龙凤松等也都各具特色,古有“藏山十景”之称。
- Benxi water tunnel in the limestone is the Ordovician period under the EC-Hill Group and the EC in the Majiagou group, the role of a rock from development. 本溪水洞的石灰岩就是在这个时期的奥陶系下统亮山组和中统马家沟组时,经过岩化作用发育而成。
- The configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage. 为使引水隧洞在各级引水流量下能安全可靠地运行,需慎重确定洞内消能工的体形和尺寸。
- A water tunnel, of approximately 2.8 km in length and 3m in diameter, with intake at Kowloon Byewash Reservoir and outfall at Lower Shing Mun Reservoir. 约2.;8千米长和3米直径的输水隧道,入水口位于九龙副水塘,及排水口位于下城门水塘。
- The experiments were carried out in the Large Oscillating Water Tunnel(LOWT)at Delft Hydraulics and in the Aberdeen Oscillatory Flow Tunnel(AOFT)at Aberdeen University,and cover a wide range of flow and sand conditions. 这些实验是在Delft水力研究所的大型振荡水槽中进行,还有一些是在阿伯丁振荡流隧道中进行,这一系列实验覆盖了各种水流与泥沙条件。
- When the vortex line is not positioned at the centric Iine of water tunnel, it is found through numerical calculation that this vortex line will move along a trace of approximate spiral in the cross section plane. 当涡线不位于水筒中心线上时,数值计算表明,涡线在水筒截面平面上将沿近似螺旋线的轨迹运动。
- He hammered home the points he wanted to convey. 他把所要传达的重点讲得非常透彻。
- The wake geometry of coaxial rotor and single rotor in hover and in level flight was investigated in the course of water tunnel experiment , and the wake boundary of a coaxial rotor for different advance ratios were investigated as an emphasis . 通过对单旋翼和共轴式双旋翼在水洞中的对比实验 ,研究了在悬停和以不同速度前飞时 ,共轴式双旋翼和单旋翼尾迹形态的共性与区别 ,着重研究了在不同前进比时共轴式双旋翼尾迹边界的形态。
- My letter will convey some idea of my mode of life. 我的信将使你了解到一些我的生活方式。
- Cooling water tunnel is gun drilled with deep whole driller to achieve good conductivity and cooling performance, and so reducing the power loss in the brasses, for longer working life. 冷却水道用深孔钻加工打出。故其导电性能好,冷却效果佳。从而能减少铜瓦上的电能损耗,提高使用寿命。
- Based on the theoretical investigation on the drag reduction of riblets surface,lots of water tunnel experimental research were carried out on gyroidal objects,which there are riblets on the surfaces. 本文在条纹沟槽表面减阻理论分析的基础上,对条纹沟槽表面回转体进行了大量的水洞实验研究。
- Please convey my good wishes to your mother. 请向您母亲转达我的祝愿。
- Exploration on Developing Pipe Conveyance Water for SWI in Tianhui Mountain 天回山发展管道输水节水灌溉的探索
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- A charge for public conveyance; fare. 运费公共运输费用; 车费