• 负压灌溉一种新近提出节水灌溉技术,灌溉时供水水头为“负值”,即灌溉水源高程低于灌水器高程。

    Negatively pressurized irrigation (NPI) method, a newly irrigation technology, in which the elevation of the emitters is higher than that of the water source, runs under negative hydraulic head.

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  • 可供节水灌溉供水系统设计运行时参考类似供水系统设计和运用时可借鉴。

    All of these can supply references for designing and running of the water-saving irrigating and supplying system as well as the similar water-supplying system.

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  • 通过逐步回归概率测算平均先进简单几何平均得到北京市宾馆不同节水水平下综合用水定额值

    The total quota of water use in different level of water saving was put forward based on regression analysis, probability estimation analysis, advanced quadratic mean method and geometric mean method.

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  • 最后通过隶属函数综合评价品种抗旱节水性。

    Finally, a comprehensive evaluation on drought resistance of different cultivars was given according to subordinate function values analysis.

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  • 最后通过隶属函数综合评价品种抗旱节水性。

    Finally, a comprehensive evaluation on drought resistance of different cultivars was given according to subordinate function values analysis.

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