id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-1041	Xue, Huijun	Prediction of Chemical Oxygen Demand Emissions in Wastewater Treatment Plant Based on Improved Artificial Neural Network Model 	2017	6	.pdf	application/pdf	3209	122	50	Figure 3: Training error curve of improved BP neural network Figure 4: Regression result of neural network As can be seen from Figure 3, using 8 measurable sewage indexes as inputs of BP neural network, and COD as output, a soft sensing model of sewage treatment is established. Bao and Xu (2011) have the established stepwise regression analysis model, ARMA model, neural network model based on time series analysis and neural network model based on regression analysis.	cache/cet-1041.pdf	txt/cet-1041.txt