起动流速

钉螺起动流速的实验报告

Experimental report on the threshold velocity of Oncomelania hupensis

斜坡上块石的起动流速与抛石体的稳定坡度

Threshold velocity of quarry on a slope and stable slope of quarry mound

粒径为0.027～0.11mm的粉煤灰模型沙的干重度和起动流速随时间增加有限，不致引起模型沙明显的板结和起动相似偏离；

The increase of the dry unit weight and the incipient velocity of flyash with time ( partical size ranges from 0.027 mm to 0.11mm ) is very small so as to not generate obvious consolidation effect and similarity departure ;

长江泥沙起动流速公式探讨

Study on Incipient Velocity of Sediment Transport in the Yangtze River

细颗粒塑料沙的群体沉速及起动流速试验研究

Experimental study of settling velocity and incipient velocity of fine plastic particles

长江上游河床卵石起动流速表达式的讨论

Research on Starting Velocity of the Bed Gravel in Upper Yangtze River

立波作用下泥沙起动流速的研究

Studies on Threshold Velocities of Sand Particles under Standing Waves

任意面上非均匀沙起动流速矢量式

Vectorial competent velocity formulations on arbitrary faces for non-uniform sediments

冰盖下散粒体泥沙起动流速的试验研究

A laboratory study of starting velocity of noncohesive sediment under ice cover

钉螺起动流速试验研究

Experimental Study on Flow Velocity of Incipient Snail Motion

受漩涡作用的水下块石的起动流速

Critical velocity for initiation motion of rocks under water due to vortex motion

粗细化过程中的非均匀沙起动流速

Critical Velocity of Non-uniform Sediment in the Armoring Process

均匀沙起动流速研究

Study on incipient velocity of uniform sand

粘性泥沙起动流速的探讨

Study on Starting Velocity of Cohesive Sediment

获得了表达钉螺静、动水沉速及起动流速的6个特征值；

Six special values indicating dropping and start speed of snail in running water were obtained ;

堤前冲刷比尺效应初步验证与起动流速的探讨

Initial Proof of the Scale Effect on Breakwater Front Erosion and Inquiry into the Starting Current Velocity

森林枯落物影响花岗岩风化沙粒起动流速研究

Study on the Impact of Forest Litter on Initial Motion Velocity of Sand Particles of Weathered Granite

长江口南槽非均匀细颗粒泥沙起动流速的近似估算

Approximate Estimations of Threshold Velocities for Non-uniform Fine Sediments at the South Passage of the Changjiang Estuary , China

对黄河多沙粗沙区治理的认识与建议再论泥沙起动流速

Cognitions and Suggestions on Management of the Region of Abundant in Sediment and Coarse Sand of the Yellow River

对块石重新进行受力分析，导出了漩涡作用下新的泥沙起动流速公式。

The critical velocity is lower than that in the classical formula , which indicates that the vortex action more e.

根据起动流速，提出了临界坡面，并推导了其计算关系。

According to the incipient velocity , critical bank slope is proposed ; its expression is derived at the same time .

试验表明：冰盖下泥沙起动流速与冰盖及槽底糙率的相对比值有关。

The experiment results show that the threshold velocity is affected by the ratio of roughness coefficient of ice cover and bed .

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

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

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。

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 .

通过转化推得了散粒体均匀沙起动流速公式，同时考虑了砾卵石扁度的影响，其系数同样不是一个常量，同学者们的公式相对照较为合理，该系数包含了其它公式的系数。

The formula of starting velocity of uniform sediment is derived and influence of gravel flatness is also considered . Its coefficient is not a constant .

对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。

Apart from this , it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles .

实验结果表明，同一粒径组的非粘性花岗岩风化砂粒随底坡坡度的增加其起动流速变小；

Test results show : for the same grain size groups the flow velocity relating incipient motion of these granite sand grains decreases as the bed slope increases ;

通过讨论泥沙起动流速和推移质输沙率公式的选取，建立了一个波浪作用下推移质输沙数学模型。

Through discussions and the incipient velocity of sediment bed load transport rate formula for the selection , establishment of a wave under the mathematical model of bed load transport .

建立了能反映非均匀床沙暴露作用及隐蔽作用的计算非均匀沙起动流速的简化模式，通过专门安排的非均匀沙起动流速试验及分析川江野外观测资料，确定了计算公式的系数。

A simple model used to compute the velocity of threshold motion for each grain size of the non-uniform sediments in consideration of both their expose and shelter actions is established ;

从动力调整的新视角来分析，在变态模型试验中，可将模型旋转改变比降，调整糙率，解决阻力相似和起动流速与起动切应力的不协调问题；

Analyzing from new visual angle of dynamic regulation , it can change gradient , regulate roughness , solve resistance similarity and unbalanced priming shear stress and starting velocity through model rotation ;