急流滩
- 网络rapids
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山区河流急流滩险航道整治技术研究
Study on the Regulation of Waterway with Rapids in Mountainous Rivers
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急流滩水面线计算的局部阻力系数研究
On Local Resistance Factor in Calculation of Water Surface Profile of Rapids Reach
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分汊型急流滩水力特性试验研究
The Outer Beach Experimental study on hydraulic character of fork shaped rapids
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石质急流滩碍航水流的形成条件与碍航流态分析
Formation Condition and Pattern of Navigation-obstructing Flow of Rock Rapids
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整治采取的主要措施有:筑坝壅水、改善流态、开挖河槽等等,对于流态恶劣的急流滩,常采用开挖河槽扩大过水断面面积的方法来降低航道流速。
The main measures are : damming improving flow condition riverbed excavation etc.
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石质急流滩水力特性概化试验研究
Research on hydraulic characteristics of rock rapids with generalized experiments
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川江斗笠子滩为枯水急流滩险。
Doulizi beach is the dry rapids in Chuanjiang River .
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石质急流滩航道整治的原则与方法
Principle and Method of Waterway Regulation in Rock Rapids
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确定急流滩最汹水位的一种实用方法
A Method Determining the Worst Stage of Rapids
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急流滩的水面线计算中,滩段阻力系数确定是计算的关键。
Determination of the resistance factor is pivotal in calculation of water surface profile of rapids reach .
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铜锣峡是三峡库区回水变动段内典型的峡谷河段,其洪水急流滩特性阻碍了万吨船队在水位消落期的顺利航行。
Its features of rapids in high level block sailing of ten thousand ton fleet in the period of low level .
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三峡库尾万吨船队汛期通航条件及滩险整治研究&以黄草峡急流滩险整治数模研究为例
Sailing Conditions of 10,000 DWT Fleet at Reservoir Head of the Three Gorges during Flood Period and Study of Rapids Regulation
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较为系统地归纳了急流滩险的整治原则与方法、以及山区河流滩险的滩性分析方法,对急流滩险的整治具有一定指导作用。
The regulation principals and the river training methods of rapids were summarized , which is very important for the rapids regulation .
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在急流滩地形概化了的试验水槽中,进行了多种水力条件下的船模上滩试验。
Tests of ship models ascending rapids with different hydraulic conditions were carried out in a flume with a generalized topography of rapids .
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急流滩险航道整治设计与建设中相关研究成果评述的基础上,指出了需要进一步研究的基本问题。
Based on the review of the literatures , problems related to the regulation of waterway with rapids in mountainous rivers were summarized and outlined .
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当川江流量大于2万m3s,两坝间洪水急流滩相继出现,航行条件逐渐变差。
When the discharge is larger than 20 000 m ~ 3 / s , the torrential flow rapids successively emerge and the navigation conditions become worse .
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较为全面地研究了急流滩水力特性的三维性质,论证了滩段水面形态、流速平面分布与滩段地形的相互关系。
The 3D hydraulic characteristics and the relationships between water surface , velocity distribution in plain and topography of the rapids reach were investigated for the first time .
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通过概化水槽试验研究了船舶上滩的影响因素及动水特性,得到了船舶上滩航行对周围流场及比降的影响规律,为急流滩整治中常用的整治措施找到了理论根据。
Based on the flume test , the affecting factors and dynamic characteristics of ship sailing upstream were studied . The velocity distribution around the ship was measured , which is very important for further research work .
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在选取国内13个典型的石质急流滩整治分析的基础上,归纳出石质急流滩整治的原则与主要措施和方法,可供山区河流航道整治设计参考。
Based on the regulation analysis of 13 typical rock rapids , this paper summed up the regulation principle and main measures adopted for rock rapids , which may serve as a reference for waterway regulation design of mountainous rivers .
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秭归正面有一大片铁青色礁石,森然耸立江面,经过很长一段急流绕过泄滩。
Facing zigui , a great sweep of grey rocks stand erect in the river , after which a long stretch of rapids carries us past the Xie shoals .