2R D von Bernuth.Nozzling Considerations for Center Pivot withEnd Guns[C].ASAE,1983:419-422.
3Ken Solomon,Malcolm Kodoma.Center Pivot End Sprinkler Pat-tern Analysis and Selction[C].ASAE,1978:706-712.
4Tung-sheng Yang. Full film lubrication of deep drawing[J]. Tibology Internat-ional. 1999,32:95.
5John Opie.Ogallala:water for a dry land[C]∥U of NebraskaPress,2000:116-132.
6Billy Roberts.Potential for Photovoltaic Solar Installation in Non-Irrigated Corners of Center Pivot Irrigation Fields in the State ofColorado[R].Technical Report,2011,7.
2von Bernuth R. D. Nozzling considerations for center pivots with end guns. Transactions of the ASAE ,1983 ,26 (2): 419-422.
3王永辉.中心支轴式喷灌机末端增压泵开发研究[D].中国农业机械化科学研究院,2009,6(6).
4佩尔c.H.喷灌[M].北京:水利出版社,1980,56-156.
5列别捷夫B.M.喷灌机理论和构造[M].北京:中国农业机械出版社,1981,204-218.
6Solomon K. , Kodama M. Center pivot end sprinkler pattern a- nalysis and selection. Transactions of the ASAE, 1978, 21 (5) : 706 -712.
7William K. Center pivot sprinkler nozzle replacement and maintenance [ C ] //Proceedings of the 24th Annual Central Plains Irrigation Conference ,2012 : 102 - 110.
8Aseough G W, Kiker G A. The effect of irrigation uniformity on irrigation water requirements [ J ]. Water SA, 2002, 28 (2) :235 - 242.
9Bremond B, Molle B. Characterization of rainfall under center pivot: influence of measuring procedure [ J]. Journal of Irrigation and Drainage Engineering, 1995,121 ( 5 ) : 347 - 353.
10Hussein M. Effect of maintenance on the performance of sprinkler irrigation system and irrigation water conversation Science and Agricultural Research,2006,17 ( 8 ) : 5 - 19.
