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- A two-dimensional sediment mathematical model is applied to the calculation of river bed deformation of sluicing silt in Qingyanzi reach after three Gorges reservoir is built. 本文应用平面二维泥沙数学模型对三峡工程青岩子河段建库后的河床冲淤变化进行了初步计算。
- deformation of river bed 河床变迁,河床变动
- The extreme effects of sand mining on local deformation of riverbed and evolution of river stretch in typical river sections such as straight river section, river bend and river fork are experimentally studied in micro-scale loose bed hydraulic model. 摘要采用微尺度动床河工模型试验的方法研究了在顺直、弯道与分汊等典型河道不同部位进行大规模采砂对河床局部变形及对河段变形的极限影响。
- The dam is RCC dam.The pouring layers are slanting in the RCC construction of river bed dam section. 拦河坝为全断面碾压混凝土,河床坝段的碾压混凝土采用斜层平推铺筑法施工;
- On the basis of the hydrologic data from 1981 to 2001, the evolution of river bed at Lanzhou section of the Yellow River was analyzed. 基于1981-2001年水文数据,分析了黄河兰州段河床演变规律;
- We have studied the relation between the deformation of river terraces and neotectonics activity based on the data of measurement and dating ages of seven fluvial terraces in the Wuwei basin. 根据武威盆地7条河流的阶地测量资料和测年数据探讨了河流阶地变形与新构造活动的关系。
- The orthogonal analyses show that level length in bucket and the anti-erosion power of river bed are important factors for controlling scour hole depth. 文中对冲刷坑水深计算式采用正交分析计算表明,戽内水平长度与河床抗冲能力是控制冲刷坑水深的主要因素,在应用时需过细论证,才可获得满意的防冲效果。
- Based on model test and the scene investigation, the flow structure around submerged spur dikes and evolution characteristic of river bed are researched . 根据水工模型试验研究和工程现场考察,对漫水丁坝附近的水流结构,河床变形的特点进行了分析和研究;
- CALCULATION FOR DEFORMATION OF A RIVER BED ON BED LOAD 山区河道推移质河床的变形计算
- It is believed that the great turbulent energy at low Froude numbers acting on the downstream river bed is the main cause of the erosion The length of river bed to be protected downstream of a stilling basin is recommended. 认为较大紊动能的频繁作用是造成下游河床冲刷破坏的主要因素,并提出消力池下游最需要保护的河段长度。
- She appeared to deformation of the face. 她出现了能变形的面孔。
- general inclination of river bed 河床坡度
- two dimensional model of river bed variation 二维河床变形模型
- Deformation of a spring is linear with the force applied on it. 弹簧的变形量与施加在其上的作用力成线性关系。
- Analysis and Study on River Bed Deformation of the West Course of Liaohe Estuary 辽河口西水道河床演变分析
- The smell of river water permeated the air. 空气中河水的味道弥漫。
- Effect of River Bed Deformation on Navigation due to the 1st Stage Project of Dadingzishan Hydroelectric Scheme 大顶子山航电枢纽一期施工河床变形对通航影响
- Occurs in principal river beds, in upstream parts of rivers, downstream rapids, in backwater zones or on stony bottoms of pools with dead tree trunks. 在河的向上游部份中,出现于主要的河床,顺流而下急流,在迴流水区域中或在水池的多石底部上,有死树干的地方。
- He was born with a slight deformity of the feet which made him limp. 他的脚稍有先天畸形,走起路来一瘸一拐。
- Left that stone in the river bed. 该把那块石头留在河床上。