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chang yong pen tou dui pen guan shui yuan han sha liang yao qiu de shi yan yan jiu
Pages: 10-17+64
Year: Issue:  2
Journal: Water Saving Irrigation

Keyword:  Sprinkler sourcesSediment content;
Abstract: Based on Wearproof tests on two types of nomal mid—pressure sprinklers and on the flows with four different sediment contents, the authors have found the relationship between the ratio of the flow variation of sprinklers, wearing capacity of the nozzle, size variation of nozzle, the sediment content of water source and wearing time. Through the investigation into the measures and expenses of silt disposal of the source, This paper has for the first time put forward an allowable value of the sedimeut content of water source for the normal sprinklers in our country. This paper is of significance to the economy of the region where there are rivers with a great amount of silt and to planing and designing sprinkler irrigation projects reasonably, and is also of value of reference for improving existing"Standard of Sprinkler Irrigation Technique".
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