含沙量
- 名Sand content;silt content
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波流作用与水体含沙量有对应关系。
There is a corresponding relation between wave action and silt content .
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用于测量流量和含沙量的超声波液位测定系统
An ultrasonic liquid level measuring system for the use of flow and silt content measurements
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GAS优化经验公式参数方法在黄河下游含沙量过程预报中的应用
Application of the optimum empirical formula by GAS to the calculation of the sediment concentration process in the Lower Yellow River
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应用人工神经网络BP模型预测乌江流域年平均含沙量
Application of Neural Network BP Model in Forecasting Yearly Average Sediment Concentration in the Wujiang River Basin
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因此,只有在浅水区才能根据N和V~n的正相关程度判别再悬浮过程在含沙量变化中的相对重要性。
Thus , only in shallow area can the maximum positive N-Vn correlation tell the relative importance ot resuspension in SPM concentration change with time .
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可见,采用RBF网络建立的出库含沙量预测模型是可行的。
This shows that it is feasible that RBF ANN is used to establish the forecast model of outflow sediment concentration .
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Delaunay三角网在河床冲淤计算中的应用平衡含沙量、平衡水深与海床冲淤计算
Delaunay Triangulation Apply to Rivered Deposition Calculating Calculation for Equilibrium Silt Concentration , Equilibrium Depth and Seabed Evolution
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本文在用人工神经网络BP模型对流域年均含沙量进行多因素建模过程中,对BP算法进行了改进。
In this paper we have improved the BP algorithm in the processes of applying BP algorithm of artificial neural networks for the annual average sediment concentration in a watershed by multi-factors .
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研究了沙质滩涂受到石油污染后的释放过程,确定了可溶性油的释放动力学曲线,分析了含沙量、温度、pH值和盐度对释放作用的影响;并对吸附机理进行了探讨。
The released curve of sands polluted by oil has been ascertained and the sand contents , temperature , pH and salinity on the released effect have been analyzed , and adsorptive mechanism was discussed .
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流域年均含沙量的B-P网络预测模型及其效果检验
Prediction model of mean annual amount of sediment in a river valley using B P networks
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最后根据临界流速v。的公式和考虑流速影响的含沙量公式,讨论了振动管的设计原则,俾有助于提高振动管式含沙量的测量精度和稳定性。
On the basis of the formula of critical velocity of flow and the formula ( 11 ), the principle to design a vibratory pipe , and to improve the sensibility and stability of instrument are discussed .
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通过讨论剖面二维非恒定泥沙扩散方程的数值方法,建立了一种用于求解含沙量分布沿程变化的差分格式(Z-C格式)并通过一个具体的数值例子说明了计算的方法步骤。
A kind of difference format ( named Z-C ) has been set up according to the discussion of the numerical method on diffusion equation for suspended sediment , and an example showing the calculation process is given in this paper .
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根据H.Rouse含沙量分布公式,导出了相应的Pi/Pai、Pi/PipjQ等3种形式的悬沙级配沿垂线相对分布表达式;
And then , according to H.Rouse 's equation of vertical distribution of suspended sediment , three kinds of relative expression of Pi , namely , are given .
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首先通过批量试验系统地研究了不同沙质滩涂对可溶性油的吸附动力学曲线和吸附等温线,并分析了含沙量、粒径、温度、pH值和盐度对吸附作用的影响;
First , the dynamic curves of adsorption and adsorptive isotherms of aqueous oil on different sands have been measured and the sand contents , the sand sizes , temperature , pH and salinity on the adsorptive effect have been analyzed by the batch test .
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细沟剥蚀土粒随着细沟股流中含沙量的增加而减少,这一概念已在一些侵蚀模型(如WEPP)中得到应用。
Soil detachment from rill bed decreases with increase in sediment concentration in the flow , as many erosion models such as WEPP suggested .
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Ⅲ)苏北沿岸流水主导区位于启东一线的区域(N2和N3),低温,高盐,含沙量较低。
III ) Subei coastal current water ( sites N2 and N3 ) . The water of this area is characterized by low temperature and SSC , and high salinity .
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实验发现,不同含沙量架桥絮体分形结构致密度最高时所需的最佳Gt值相近。
It is found in experiment that the optimum Gt value is nearly the same when the compactness of the fractal structures of the bridging-flocculated aggregates reaches the highest point of the different raw silt content .
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FH-422型含沙量计铅鱼探测器的结构设计
The Structure Design of Sediment Concentration Gauge Detector Model FH-422
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坡面产流过程中DP、SEP及STP含量的变化均表现为低-高-低的变化趋势,其变化与径流含沙量呈正相关,而累积流失量则表现为加速增加的趋势。
Changes in DP , SEP , and STP contents all show a similar " low-high-low " tendency and are positively related to sediment concentration during runoff process , while the accumulative amounts increase with accelerative rates .
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如果介质的温度高或含沙量高,对密封件有特殊的要求,请及时联系VANO。
If medium temperature is high or sand content is high , the seals have special requirement , please contact with VANO .
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广西重点港湾海水含沙量较低,平均值在0.0163kg/m3~0.0421kg/m3左右,且含沙量随潮变化不大,属低含沙量范畴海域。
The suspended sediment content in the Guangxi key harbor is low , the mean value is about from 0.0163 kg / m3 to 0.0421 kg / m3 , and its change along with the tide is not big , which belongs to the low sediment sea area .
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泥沙测验结果表明,泥沙含量在局部地区偏高,而施工区附近距岸约80m处水域含沙量与工程所在江段平均含沙量为相同的数量级;
The sediment experiment indicates that the concentration of sediments is a little greater in some places than others , whereas in the water area of 80 meters away from the bank , it is almost the same magnitude as the average concentration where the project locates .
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文中着重研究了悬移质泥沙分布Rouse公式沿垂线的积分问题,给出了悬移质垂线平均含沙量与底部含沙量的比值函数,并给出了此函数的计算方法。
A integral of Rouse formula along vertical line for suspended load distribution is studied in this paper , The function of specific value between average sediment percentage of suspended load along vertical line and sediment percentage at the base , and the calculation method of this function are given .
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在降雨特征参数中,平均雨强是反映紫色土坡地径流系数、泥沙量和径流含沙量的最好特征参数,I30则能最好的反映紫色土坡地径流量的变化;
Among the rainfall characteristic parameters , average rainfall intensity is a best one to reflect runoff coefficients , silt amount and silt content of runoff , and I_ ( 30 ) is the best one to reflect the change of runoff amount in purple soil sloping farmland ;
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坡面径流量与含沙量动态测量系统
System for Dynamic Measurements of Hillslope Runoff Rate and Sediment Concentration
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输送高含沙量水流渠道设计的研究
A Study on the Design of Canal for Hyperconcentrated Sediment Flow
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数字信号处理技术在高含沙量流体流量计中的应用
Application of Digital Signal Processing to High Sand Content Fluid Flowmeter
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黄河河口海岸近岸带水体含沙量的横向分布
Transversal distribution of suspended sediment concentration in estuary of Yellow River
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不同含沙量不同流速时材料的磨蚀失效特性
Abrasion Failure of Material under Different Sand Contents and Flow Velocities
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宽明渠流动的流速分布及含沙量分布
Vertical distributions of velocity and sediment concentration in wide open channels