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白令海
2
210Pb
1
210Po
1
Antarctic Peninsula sea areas
1
Bering Sea
1
Chukchi Sea
1
NO3-δ15N
1
NO3-δ18O
1
chemical conversion method
1
fractionation factor (ε)
1
nitrification rate
1
polar oceans
1
the Antarctic Peninsula
1
the Bering Sea
1
δ15N and δ18O of nitrate
1
分馏因子(ε)
1
化学转化法
1
南极半岛
1
南极半岛附近海域
1
极地海洋
1
楚科奇海
1
硝化速率
1
硝酸盐δ15N和δ18O值
1
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