【摘要】 [目的]为了分析不同粒级土壤吸附7Be的能力。[方法]通过对土壤样品的机械组成分析,分析不同粒级土壤颗粒中7Be的分布。[结果]不同粒级土壤颗粒中7Be的分布不同。[结论]7Be含量在不同粒级土壤中的分布规律为黏粒>粉砂粒>砂粒。更多还原

【Abstract】 [Objective] The research aimed to study the absorption ability of 7Be in different grade soil particles.[Method]The mechanical composition of the soil sample was analyzed and 7Be distribution in different grade soil particles of Loess Plateau was determined.[Result]There was different 7Be amount in different grade soil particle.[Conclusion]The regular of 7Be amount in soil was clay> silt >sand.更多还原