The effects of a new fertilization method-NDSA(nitrogen depot with saturated ammonium) on the loss of nitrogen from ammonia volatilization and N leaching were studied by imitation experiments.
采用室内模拟氨挥发和模拟降雨土柱淋洗方法，研究了NDSA（饱和铵贮库）施肥法对降低氨挥发和氮素淋失的作用。
Compared with natural zeolite, the specific surface area and CEC of ammonium saturated zeolite were larger, and also the interspaces channels were more uniformed.
原因是铵饱和沸石的阳离子交换量和比表面积有所增加，同时铵饱和沸石的孔穴和通道也较天然沸石更加均一和畅通。
The antigen-antibody complex here was precipitated with saturated ammonium sulfate solution in a final saturation 37.5%.
沉淀抗原—抗体复合物的饱和硫酸铵最终饱和度为37.5％。
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