与模型试验结果相比,经验公式计算的冲刷量偏大。
Compared with the results of model test, the outcome calculated by experiential formula is on the high side.
随着模拟降雨强度的增大,A 3钢的腐蚀速率和冲刷量增大。
The corrosion rate and runoff quantity of A3 steel increase with intensity of simulated rain increasing.
冲刷时间是表征河口水体交换的一个非常重要的物理量。
Flushing time is a very important concept that expresses theexchangeof waters in estuaries;
试验结果表明:浑水水流的单宽流量大小、含沙量的多少以及含沙粒径的变化都对冲刷坑深度有一定的影响。
The result indicates that the discharge per unit width, the sediment concentration, the grain size of sand influences the depth of scour hole.
河道冲刷扩大将有利于增加河道泄量,但无序采砂也将给河道稳定带来不利影响。
The enlargement of the channel scouring will favorable to the increase of the channel dis- charge, however, the illegal sand mining will be quite unfavorable to the stability of the channel as well.
在模拟降雨条件下,添加0.02%聚丙烯酸钠和0.025%的6501组合时的沉积量最高,耐雨水冲刷能力最强。
The combination 0.025% of agent 6501 with 0.02% agent had the highest deposition when there was a rainfall, it had the strongest rainfastness.
建坝后水库下泄水流挟带的床沙质含沙量减少,坝下游河床出现冲刷。
The released flow from reservoirs carries less sediment load of bed material than pre? dam periods.
雨强(冲刷强度)增大,溶解态钾浓度,溶解态钾、缓效钾和速效钾流失量明显增加。
The concentration of dissolved K and amount of dissolved K, rapidly available K, and slowly available K lost in the runoff increase obviously with the increase of rain intensity.
当宋沙量小于输沙能力时,河床发生冲刷;
When the quantity of incoming sand is larger than the capacity of sand transportation, the channel degradation occurs;
当宋沙量小于输沙能力时,河床发生冲刷;
When the quantity of incoming sand is larger than the capacity of sand transportation, the channel degradation occurs;
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