对北京市污灌区非饱和土壤水扩散率及其影响因素进行了研究。

This paper discussed the unsaturated soil water diffusivity and its effect factors in waste water irrigation district in Beijing.

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铵态氮水平运移的浓度受非饱和土壤水扩散率的影响，并随非饱和土壤水扩散率的升高而呈幂函数曲线下降。

The concentration of ammonium nitrogen in horizontal migration decreased with the increase in unsaturated soil water diffusivity in power function.

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如果我们要避免与水有关的紧张局势扩散和恶化，这种团结是必要的。

Such solidarity is necessary if we are to avoid a proliferation and aggravation of tensions relating to water.

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