底沙运动过程中粗粒沙滞留在沙洲，细粒沙被搬走。
In the bedload movement process, coarse sand tended to stay on the sand bar, find sand was brought away.
立波作用下的底沙运动关系到港口的规划和建筑物的安全。
The sediment movement on the bed plays an important role on the planning of ports and waterways and the stability of structures.
并首次在国内试用了中子活化技术对底沙运动进行了示踪测定。
Neutron activation technique was first tried to make tracing measurement for bed-load movement.
瓯江杨府山河段边滩发育丰富，底沙运动频繁，悬沙含量高，对边滩围垦促淤极为有利。
Abundantly developing rivershore, frequently moving bed load and high content of suspend load in Yanfushan reach of Oujiang River are very beneficial for rivershore cultivation and silting.
文中主要叙述了中子活化分析天然泥沙法的原理及在杭州湾北岸研究底沙运动的应用情况。这次试验区域是杭州湾北岸，共取现场泥样27个。
Authors describe the principles and application on investigation of bed-load movement along North Bank of Hangzhou Bay. 27 bed-load samples were callected in the test region.
摘要通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves a mathematical model of suspended load and bed load for Yangtze estuary is developed.
通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed.
通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed.
应用推荐