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- sediment incipient motion before breakwater 堤前泥沙起动
- sediment incipient motion 泥沙起动
- When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs. 当水流速度小于相应的起始运动时，将无泥沙运动。
- The authors studies on incipient motion of sediment in the recent 40 years are summarized in the paper. 本文是作者40年来研究泥沙起动公式的小结。
- Based on both shear force and stream power and through theoretical derivation, the incipient motion critical conditions of cohesionless uniform sediment are achieved. 通过理论推导，得出基于剪切力和水流功率的均匀沙起动临界条件表达式。
- The formula for calculating the incipient motion condition of non-uniform sediment has been established by considering the equivalent grain and the relative exposure degree. 阐述了泥沙起动机理,通过对等效粒径概念及表达式的引入,推得了泥沙起动公式。
- Incipient Motion of Coarse and Fine Sediment 再论泥沙起动流速
- According to some previous results, the relationships among three common incipient motion conditions are deduced. 摘要从泥沙起动的己有研究成果出发，推导出常见的3种泥沙起动条件的转换关系。
- The research results show that the incipient motion and the erosion of cohesive deposits are greatly influenced by the dry bulk density. 研究结果表明：干容重对粘性淤积物起动和冲刷的影响非常大。
- Considering these relationships, dozens of incipient motion conditions are united, and K of all kinds of formulas is otained commonly from 3.37 to 7.86. 利用这些关系，将国内外现有的几十种泥沙起动条件进行了统一，可得各种公式的K值一般在3.;37~7
- Incipient motion of solid grain in solid-liquid two\|phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing. 水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。
- Effect of grain shape on incipient motion of non-uniform sediment 泥沙颗粒形状对非均匀沙起动条件的影响
- CRITICAL SHEAR STRESS OF INCIPIENT MOTION OF SEDIMENT 泥沙起动临界切应力研究
- Through a series of physical considerations, existing theories are reviewed and modified to find that the friction of particle in motion, , becomes smaller than that at incipient motion, . 透过升力相关理论的分析及推导，结果显示沈滓颗粒启动之后的摩擦力小于临界状态的摩擦力。
- Incipient motion of natural settled sediment under influence of current 水流作用下自然沉积泥沙的起动
- The Influence of Bottom Flow Structure on Non-uniform Sediment Incipient 近底水流结构对非均匀沙起动影响的研究
- incipient motion of coherent silt 淤泥起动
- The nonlinear cusp-catastrophe model of incipient motion of non-uniform sediment 非均匀沙起动的非线性尖点突变模式
- He emptied out the water barrel to clear it of sediment. 他把水桶倒空以清掉桶底的沉淀物。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
