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- water tunnel portal 输水隧道入口
- The difficulty also becomes greater.The depth of embedment at the tunnel portal is shallow. 隧道的长度、断面都是空前的,难度也大于以前。
- Because of the influence of the engineering geologic condition, hydrogeological condition and artificial factor, it is easy to have landslide at tunnel portal. 由于受工程地质条件、水文地质条件及人为因素等影响,隧道洞口施工过程中易发生洞口滑坡。
- 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。
- The tunnel portal earth pressure is divide into two parts at tunnel lining height, the earth pressure intensity-formula at upper part, below part, general earth pressure formula and earth pressure action point formula are derived. 以隧道衬砌的高度为界,将隧道洞门土压力计算分为上、下两部分,推导出上部上压力强度、下部土压力强度、总土压力及土压力作用点的计算公式。
- 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。
- Reliability Analysis of Wing Wall Tunnel Portal 翼墙式隧道洞门可靠性分析
- 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。
- tunnel portal in unfavourable geological section 洞口不良地质段
- up bamboo-trnncating tunnel portal 正削式隧道门
- up bamboo-truncating tunnel portal 正削式洞门
- 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。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries