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Matched precipitation rate : ウィキペディア英語版 | Matched precipitation rate
In the irrigation industry, matched precipitation rate (MPR) is a term that is used to calculate the amount of precipitation in a given area is uniform. In order to be "matched" all sprinkler heads in a given zone must have the same rate of precipitation. Virtually all major sprinkler manufactures offer some type of MPR nozzle or sprinkler. The primary benefit and main goal of MPR sprinklers is to prevent water waste from run-off while still ensuring that the area receives adequate moisture.〔(【引用サイトリンク】url=https://www.hunterindustries.com/sites/default/files/tech_irrigation_notes_basics_of_matched_precipitation.pdf )〕〔(【引用サイトリンク】url=http://www.rainbird.com/landscape/resources/webinars/Advantages%20to%20MPR%20and%20PRS.pdf )〕〔(【引用サイトリンク】url=http://water.ksuturf.org/index.php/how-long-to-water/matching-precipitation-rates )〕 ==Formula== The mathematical formula for determining precipitation rate is (GPM x 96.3 ÷ area) = PR
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Matched precipitation rate」の詳細全文を読む
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