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本文对西北太平洋、赤道、冲绳海槽及东海的一条长约一万公里的断面,进行了表层海水中Sn与Bi的形态测定,同时在冲绳海槽还对两个深水站进行分层垂直测定。测定结果表明,Sn、Bi各态在近岸波动稍大,而在大洋相对稳定。两种金属的平面分布趋势基本相似,但Bi的分布较为稳定,Sn、Bi的垂直分布比较均匀,表、底层间的含量相差不大,个别层次有些微小变化,可能是受生物等的影响,但并不呈现规律性。
In this paper, the morphology of Sn and Bi in the surface seawater was measured for a section of 10,000 km in the western North Pacific, the equator, the Okinawa Trough and the East China Sea. At the same time, stratified vertical measurements of two deepwater stations were conducted in the Okinawa Trough . The results show that the Sn and Bi species fluctuate slightly in the nearshore and are relatively stable in the ocean. The distribution trend of the two metals is basically similar, but the distribution of Bi is stable, the vertical distribution of Sn and Bi is relatively uniform, the contents of the table and the bottom are not much different, and there are some slight changes in individual layers, which may be influenced by the organisms, But does not show the regularity.