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- The annular flume, which is an ideal instrument to study fine sediment, is restricted by the technology of sediment measurement. 摘要环形水槽是研究细颗粒泥沙的理想装置,但测沙技术的相对滞后极大地制约了环形水槽的使用。
- As all dams result in reduced sediment load downstream, a dammed river is said to be “hungry” for sediment. 水坝还会成为动物在上下游栖息地之间迁徙的障碍,比如美国和欧洲的鲑鱼。
- The fundamental cause of generating influence on the settling velocity by ions is flocculation of fine sediment. 对泥沙絮凝沉降过程进行理论分析,推导出絮凝沉速与离子浓度之间的关系式。
- Adoptive constant discharge is 3 cm3/s. Suspended sediment load is 4.5 g/min in the first 3 hours and 1.2 g/s thereafter. 采用的定常流量为3 L/s;悬移质输沙量在前3小时为4.;5g/min;其后为1
- This paper presents an overview of significant progress in the studies of turbidity maximum and fine sediment processes in the Changjiang(Yangtze)River Estuary. 本文对长江口细颗粒泥沙过程研究进行了总结,并提出了今后重点研究方向:1)长江口细颗粒泥沙是非均匀沙,其运动机理究竟如何?
- The sediment load entering the Lower Yellow River is so larger than that transported to the deep sea that the siltation of the river channel and esturay is unavoidable. 由于进入黄河下游的沙量远大于能输往深海的沙量,黄河下游河道及河口的整体淤积是不可避免的。
- Abstract: Flocculation and deflocculation of fine sediment play an important role in soil structural stability, agrochemical compounds movement and eroded sediment transport. 摘 要: 细颗粒泥沙的絮凝-分散对土壤结构的稳定性,土壤中农用化合物的迁移以及侵蚀泥沙的输移、沉积有重要作用。
- This article studies the characteristics of the water & sediment load from 1960 to 1997 and the longitudinal & transversal bed profile from 1977 to 2002 by employing statistic analysis. 本文利用黄河下游1960-1997年的水沙资料和1977-2002年的断面资料统计分析了黄河下游水沙历年、汛期和脉动变化特点以及主槽平均河床高程和河相系数变化特点。
- The Weser Estuary in Germany, with broad beaches, lots of sand bars and many tributaries, is characterized with a great quantity of sediment transport due to tidal current's movement in the fluvial bed of fine sediment. 摘要德国威悉河口滩地宽广,有无数的沙洲和许多大的分流,潮流在主要为细沙的冲积河床中运动,泥沙输移量极大。
- Fine sediment habitats in southwestern coastal waters seem favor the presence of high species richness and great abundance of individuals but moderate diversity of the brachyuran crab community. 台湾西南近海海域的细沙海底,似乎有利高物种种类数与丰富量的存在,但物种歧异度则属中等。
- variety of discharge and sediment load 水沙变化
- The echinoderm biomass in the fine sediments area in higher, the species diversity in the coarse sediments area is higher. 细颗粒沉积区中生物量较高,而粗颗粒沉积区种类多样性较高。
- water and sediment load variation 水沙变化
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- matching of flow and sediment load 水沙搭配
- In such fine sediments, cohesion is an important factor in determining critical conditions. 在这样的细沙中,粘性是确定临界条件的一个重要因素。
- Finally, the soil erosion moduli were calculated in 34 subbasins delineated by the SWAT, and the effects of different landuse types on sediment loads were analyzed. 通过计算34个子流域内的侵蚀模数,对流域内的土壤侵蚀强度进行了分级,并分析了不同土地利用方式对产沙的影响。
- The exchange mechanism between coarse and fine sediments in the river has been demonstraited theoretically. 最后从理论上证明了在河道中粗细泥沙发生交换的现象。
- Incipient Motion of Coarse and Fine Sediment 再论泥沙起动流速
- Seagrass beds or fine sediment bottom 海草床或幼细沉积物海底