急流滩

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急流滩急流滩
  1. 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

  2. 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

  3. 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

  4. 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

  5. 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.

  6. 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

  7. 川江斗笠子滩为枯水急流滩险。

    Doulizi beach is the dry rapids in Chuanjiang River .

  8. 石质急流滩航道整治的原则与方法

    Principle and Method of Waterway Regulation in Rock Rapids

  9. 确定急流滩最汹水位的一种实用方法

    A Method Determining the Worst Stage of Rapids

  10. 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 .

  11. 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 .

  12. 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

  13. 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 .

  14. 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 .

  15. 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 .

  16. 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 .

  17. 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 .

  18. 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 .

  19. 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 .

  20. 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 .