过多
发表于 2025-3-23 11:38:30
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BOOM
发表于 2025-3-23 17:55:22
1. Important Parameters of Polymers,An inflatable dam is a flexible tube inflated by water or air fixed across a river for controlling the flow of water. Some of the advantages of this structure are that the crest height is easily altered and that the dam could be effortlessly resited if crop water requirement should so dictate (Woolridge 1981).
opprobrious
发表于 2025-3-23 20:27:37
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CODE
发表于 2025-3-24 01:17:42
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Uncultured
发表于 2025-3-24 04:49:05
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output
发表于 2025-3-24 07:28:15
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Scintillations
发表于 2025-3-24 13:40:08
Radial Automatic GatesAlthough radial automatic gates have been built and have been operating during the last 50 years, their hydraulic behaviour does not appear to have been analysed or in some cases, understood. Thorne 1957 deals mainly with the geometric parameters of design and Lewin 1980 explains their operation.
巡回
发表于 2025-3-24 17:07:09
https://doi.org/10.1007/978-3-642-32072-9pth vs. discharge relationship is known to exist. In fact, due to the significant flow curvature near the brink, the brink depth, y., is less than the critical depth, y.,computed on the basis of parallel flow for a given discharge, Q. The critical depth section is observed to lie at a distance of ab
Isolate
发表于 2025-3-24 23:02:49
2.1 Effects of Energetic Treatment,tion or other purposes. Such structures generally affect the morphology and regime of the rivers. Their cost and efficiency very much depend on the waterways which are generally fixed on the basis of the natural widths of the rivers or their total flood discharges. Judicious fixation of waterways as
运气
发表于 2025-3-25 01:27:34
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