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- improvement of river bed 河床改善,河床治理
- 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;
- The first is the improvement of hydrological conditions.The second is the improvement of river geomorphological characteristics. 既要研究一条河流、一个流域的问题,更要宏观地研究全球尺度的生态环境保护问题。
- 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;
- 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。
- 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。
- A limiting factor in the improvement of health is the lack of doctors. 对改善健康状况的一个限制因素是缺少医生。
- general inclination of river bed 河床坡度
- There is no room for improvement of your dance. 你的舞跳得再好不过了。
- two dimensional model of river bed variation 二维河床变形模型
- Successful Business needs improvement of service. 要生意兴隆,就要提高服务质量。
- Make each day an improvement of the day before. 每天起来都要进步。
- THE IMPROVEMENT OF FLUORITE DRYING SYSTEM. 浅谈萤石干燥系统的改造。
- 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。
- The improvement of women's figures. 健美女性身材。
- The smell of river water permeated the air. 空气中河水的味道弥漫。
- Improvement of PSU in SN 388 seismograph. SN388地震仪PSU的改进
- Improvement of pumps for pump station of rivers with heavy bed load 多泥沙河流取水泵站的水泵改造措施