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本文应用逐步回归分析方法研究了珠江口悬浮颗粒有机碳与pH,Eh,盐度、化学耗氧量、硝酸氮、亚硝酸氮、活性硅酸盐的关系。由此得出的逐步回归的方程为 POC(μgC/L)=5527.06-667.56pH+9.71S影响悬浮颗粒有机碳的环境因子是pH和盐度。
In this paper, the relationship between suspended carbon, pH value, Eh, salinity, chemical oxygen demand, nitrate nitrogen, nitrite nitrogen and activated silicate in the Pearl River Estuary was studied by stepwise regression analysis. The resulting gradual regression equation is POC (μgC / L) = 5527.06-667.56pH + 9.71S The environmental factors affecting the suspended particulate organic carbon are pH and salinity.