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po mian shang dan pen tou shui liang fen bu tu xing de shi yan yan jiu
Author(s): 
Pages: 57-60
Year: Issue:  2
Journal: Water Saving Irrigation

Keyword:  单喷头水量分布试验研究地形坡度分布图形坡面喷头工作压力试验条件喷灌强度客观规律喷灌均匀度;
Abstract: <正> 前面已经介绍,地形坡度影响单喷头的水量分布性状。在无风条件下,旋转均匀的喷头在坡面上的水量分布图形,近似为下坡侧拉长变疏,上坡侧压缩加密的偏心圆。鉴于影响喷头水量分布的因素极其复杂,为了揭示地形坡度对单喷头水量分布图形影响的客观规律,有必要通过试验实测的途径,测试记录
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