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- river sediment concentration 河流含沙量
- According to ADCP data and suspended sediment concentration, suspended sediment movement in the Yangtze River Estuary is studied. 摘要采用ADCP实测水流资料与悬沙含量实测资料相结合的方法,对长江口悬沙运动进行分析。
- The suspended sediment concentration in the jiaojiang river estuary area varies with space. 小潮时,南北槽均是涨潮悬沙浓度大于落潮悬沙浓度。
- Temporally,the suspended sediment concentration in the jiaojiang river estuary area show a neap-spring tidal cycle and flood-ebb fluctuations. 在此基础上,本文分析了椒江河口段悬沙浓度的时空变化规律。
- Using the above information,temporal and spatial changes of suspended sediment concentration in the jiaojiang river estuary area was analysed. 结果表明:计算结果能较准确的反映实际悬沙浓度值。
- According to ADCP data and suspended sediment concentration,suspended sediment movement in the Yangtze River Estuary is studied. 采用ADCP实测水流资料与悬沙含量实测资料相结合的方法,对长江口悬沙运动进行分析。
- River sediments gradually silted the harbor. 河流的沉积物逐渐使港口淤积
- It is concluded that the phenomena of replacement of spatial and temporal process is typical in the erosion development, the coarsen of riverbeds, the sediment concentration and the change of river regime, etc. 分析表明,河流再造床过程在冲刷延展、河床粗化、含沙量及其特征、岸滩侵蚀以及河型变化等方面具有较典型的时空演替现象。
- In the section from Huayuankou to Jiahetan in the Lower Yellow River,the maximum sediment concentration at Jiahetan station is mainly affected by the incoming floods from Huayuankou station. 本文采用相关分析和人工神经网络模型建立了夹河滩洪水最大含沙量预报方案和模型。
- Acid-volatile sulfide in river sediment sample was measured by reaction headspace. 采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
- Since there are no large fluctuations in stream flow and sediment concentration in a lower-water season, the real process on the river network can be simulated by the steady solution of the model. 考虑枯水期水沙动力学过程类似于固定流量和含沙量条件下的稳态,用该模型模拟预测了水流携沙系数(表征携沙力)和冲淤量沿河道分布的标度规律。
- I am very sad, that was the Yellow River sediment for thousands of years condensed the essence! 我很痛心,那是黄河沉淀几千年浓缩而成的精华!
- Reaumuria soongorica built on the north shore of the Yellow River sediment Yashang. 开凿于黄河北岸红砂沉积崖上。
- This shows that it is feasible that RBF ANN is used to establish the forecast model of outflow sediment concentration. 可见,采用RBF网络建立的出库含沙量预测模型是可行的。
- Linfen Qinhe is the smallest river sediment, a total length of 95 km, watershed area of 2288 square kilometers. 沁河是临汾含沙量最小的河系,全长95公里,流域面积2288平方公里。
- The temporal and spatial distribution of water body change, and the sediment concentration in runoff increase. 水体的时空分布被改变,径流的含沙量增加。
- In mobile bed experiments, the measurement of sediment concentration needs to be real-time and accurate. 摘要动床河工模型试验中,需要对泥沙浓度进行实时和精确的测量。
- The Zao 0 reservoir group in the Kongyi segment of the Duanliubo Oilfield, Huanghua Depression, composes of anastomosing river sediment. 黄骅坳陷段六拨油田孔一段枣0油层组为网状河沉积,其沉积特征与曲流河和辫状河有明显区别。
- To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up. 为了计算波流共同作用下含沙量沿垂线的分布,建立了沿垂线分布的泥沙扩散系数模型。
- Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on. 其主要工作内容包括黄河河道断面淤积测验,河道表层河床质取样及颗粒级配分析等工作。