摘要
本文从理论上分析了特定水质中BOD_5与DO、酚及COD之间的相关性,通过实验研究,建立了昆钢焦化废水BOD_5与COD、酚间的二元回归方程,昆明螳螂川河水BOD_5与COD、DO间的二元回归方程,对给定的检验水平(α=0.01),回归方程相关性显著,复相关系数分别为:0.984,0.902.BOD_5二元回归方程的建立,对于快速有效地估算特定水质中有机污染物的综合指标BOD_5具有重要的实用价值。
The interrelation of BOD_5and COD,DO,and phenol was analysed theortically in the specified water quality.This paper established the dualistic regressiogn equation of BOD_5 and COD,phenol in the Coking-plant Effluect of Kunming Iron and steel Company, and that of BOD_5and COD,DO in the water of Kunming Mantis Brook through experiment.The regression equations are interrelated significantly under the given testing level (α=0.01).The interrelated coefficient is partly 0.984 or 0.902.Establishment of the dualistic regression equation of BOD_5 has important practicability to estimating quickly and efficiently a comprehensive target of organic contaminant in the specified quality.
关键词
BOD5
COD
DO
二元回归
水质
BOD
COD
DO
phenol
Regression analysis
Interrelated coefficifnt.
