They are found wherever fast rivers carrying loads of coarse sediment once flowed.
在携带大量粗泥沙的湍急河流流经的任何地方，都能找到它们。
Meanwhile, the distribution law of coarse sediment yielding is also discussed in this paper.
同时，分析了该区间侵蚀产粗泥沙的分布规律。
In front of the middle segment of the mountain, there is Dashuigou alluvial fan with coarse sediment, moderate slope and less fan area.
中段的大水沟等四个扇体组成物质较粗，坡度较大，而面积较小。
The hyperconcentrated flow is an important factor to the high intensity erosion of the high-intensity and coarse sediment producing area of the Loess Plateau.
高含沙水流的频繁发生是黄土高原多沙粗沙区产生高强度侵蚀的重要原因。
Under the condition of same polluted concentration, heavy metals in coarse sediment are released with greater amount and higher intensity dUring initial stage.
相同污染浓度条件下，粗颗粒沉积物中重金属具有较高的初期释放量和释放强度；平衡释放浓度随粒度减小略有增大。
The authors apply this method to the areas with high and coarse sediment yield of the Loess Plateau, and compartmentalize the river network into 4 grades and 37 regions.
将此方法应用于黄土高原多沙粗沙区的河网，按河网自然的拓扑形态和流域的天然分界将该地区河网划分为4级37区。
The flow with sediment trapped by the slit of the vortex tube can form vortex inside the tube and exclude efficiently the coarse sediment near the bed layer in front of the tube.
进入涡管槽口的挟沙水流会形成强有力的螺旋流沿涡管流动，能有效地排除底部推移质泥沙。
The study on regional distribution, area and sediment yield of different modulus of sediment transport provides a support to decide the coarse sand concentrated coming area.
研究不同输沙模数级的区域分布、面积及产沙量，为粗泥沙集中来源区界定提供支撑。
These characteristics depend on the types of sediment, which in investigating area is coarse and polychaete does not fit to breed largely.
这些分布特征取决于底质类型，该海区沉积颗粒较粗，不利于多毛类繁衍。
After the measures were taken of soil and water conservation, the decrease of the sediment flux into the sea in fine grain-size fractions was more than that in coarse fractions.
大规模的水土保持措施实施以后，细泥沙入海通量的减少幅度要大于粗泥沙。
We found that concentration areas of. Glauconites are identical with the oxidizing environment, coarse-sediment areas and relict sediments.
海绿石的富集区与氧化环境，粗粒沉积和残留沉积区相一致。
The sediment deposited in the lower Yellow River come mainly from the areas yielding coarse sands in the middle reaches of the river;
黄河下游沉积泥沙主要来自黄河中游粗沙区，但至今粗沙区的范围及面积还未定论。
The sediment deposited in the lower Yellow River come mainly from the areas yielding coarse sands in the middle reaches of the river;
黄河下游沉积泥沙主要来自黄河中游粗沙区，但至今粗沙区的范围及面积还未定论。
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