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九龙江—厦门湾河口区溶解226Ra的分布

施文远 邱晓晖 黄奕普

施文远, 邱晓晖, 黄奕普. 九龙江—厦门湾河口区溶解226Ra的分布[J]. 海洋学报, 1993, 15(4): 50-55.
引用本文: 施文远, 邱晓晖, 黄奕普. 九龙江—厦门湾河口区溶解226Ra的分布[J]. 海洋学报, 1993, 15(4): 50-55.

九龙江—厦门湾河口区溶解226Ra的分布

基金项目: 国家自然科学基金资助项目.
  • 摘要: 利用锰纤维富集和直接射气法测定海水中226Ra的方法,对九龙江-厦门湾溶解226Ra的分布进行了一次调查。结果发现在河口区内溶解态的226Ra呈非保守行为,与世界上几大河流河口区226Ra的行为极为相似。在海门岛附近的水体中(S≈9)发现溶解态226Ra浓度最大,其值为0.598dpm/dm3,说明咸淡水在此处混合最激烈。本河口区溶解226Ra的最大值比Mississippi河的值小,比其他河流的值大2~5倍。
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出版历程
  • 收稿日期:  1990-12-03
  • 修回日期:  1992-12-30

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