velocity slope

Test results show that the water surface slope, velocity and ratio of water depth to draft are the main influencing factors of ships ascending rapids.

试验结果表明，滩段的水面比降、水流速度及船舶水深吃水比是船舶上滩的主要影响因素。

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The result showed that within the critical slope steepness, raindrop splash could decrease velocity and Froude number of sheet flow;

结果表明：在临界坡度以内，雨滴打击降低坡面薄层水流流速、弗汝德数。

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Rates of movement depend on wind velocity, dune height, and dune length and slope ratio.

沙丘运动依赖于风速、沙丘高度、沙丘长度以及坡度。

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The weakening coefficient of wind velocity to plot A in sunny slope is under 13.67% by plot A in shady slope.

阳坡样地A的平均风速减弱系数比阴坡样地A低13.67%。

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This paper discusses the research development of such laws as the lateral slope of the water surface, secondary circulation flow, average velocity along vertical line, distribution of the main streamline and sediment transport characteristics in the river bend.

本文着重对弯道水流水面横比降、横向环流、纵向垂线平均流速分布规律及弯道输沙特性研究进展进行了阐述分析，以便为生产科研方面服务。

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Simulation result also indicates that the rill width is affected both by slope gradient and critical detachment velocity of surface soil on the hill slope.

模拟结果表明，细沟扩宽过程对坡度和坡面表土临界起动流速的变化十分敏感。

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Research on incipient velocity of nonuniform sediment on slope of bend river bank The Theoretical Analysis of establishment of Underwater Inhomogeneous Optic Field

河湾坡岸非均匀沙起动流速公式探讨水下非均匀光场建立方法的理论研究

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Based on system analyses the main factors which affecting overflow operating condition of overflow earth-rock cofferdam, the condition of overflowing is measured by the current velocity head of cofferdam downstream slope blacks.

本文主要针对过水围堰与隧洞联合泄流的施工导流方式，通过系统分析影响过水土石围堰溢流工况的主要因素，采用下游护坡尾水位流速水头作为衡量围堰溢流工况的指标。

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