The empiricalrelationship of the differences was obtained using nonlinear regression method and verified with the determined data.
用非线性回归方法得出了水样不同处理方式下总磷间的经验关系式,并进行了验证。
2
According to the results, an empiricalrelationship of the rill wetted perimeter with the flow discharge and the slope gradient is obtained by the regression analysis.