The characteristics of nitrogen(N) and phosphorus(P) loss under 5 land use patterns were studied in Sunjia small red soil watershed during the Course of rain.

研究了次降雨过程中红壤小流域5种不同土地利用方式土壤N，P养分流失特征。

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Combining with past researches, this research attempts to probe into the relationship between handwriting characteristics and nervousness (n), psychosis (p), extraversion or introversion (e) in EPQ.

本研究结合国内外相关研究，试图探讨笔迹特征与EPQ人格问卷中神经质(N)、精神质(P)、内外向(E)之间的关系。

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Soil column method was used to study the characteristics of the movement, transformation, and leach of urea-N in soil added by different ways of the fertigation.

采用室内土柱模拟试验方法，研究了不同灌溉施肥方式下尿素态氮在土壤中的迁移、淋溶和转化特征。

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