神马作文网英语翻译However,on 30 August 2005,there was a sharp increase in
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英语翻译
However,on 30 August 2005,there was a sharp increase in COD concentration in the river 20km from the source of the Liming River.This suggests that a pollution incident occurred between monitoring stations #3 and #4 on the river.A survey revealed that this spike in COD was caused by an accident at the wastewater treatment plant in the upper reaches of the river; wastewater flowed directly into the river through a bypass valve.COD concentrations of the outflow from the wastewater treatment plant during the whole day are shown in Fig.7.The accident lasted for 4 h,during which time raw wastewater flowed directly into the river.The results of the hydrological–environment modeling suggested that water flow should be increased by about 1.2m3/s,and water quality in the river was quickly improved by increasing the water flow to this level.
This paper describes an online water quality monitoring and management system developed for China’s Liming River basin by combining an ANN-based model for sensing COD levels with a virtual instrument technique and using hydrological–environmental modeling to characterize the responses of the river to pollution loads and changes in the flow rate.The goal was to maintain the river’s water quality at a level compatible with the status of Daqing as a scenic resort area of China.Using this approach,an optimal environmental water allocation was obtained,permitting a marked improvement in water quality and rapid responses to pollution incidents.The approach used a large quantity of real-time monitoring data as input for the hydrological–environmental model.The results of this approach show that the system provides an effective approach to control water quality for environmental protection purposes.
Acknowledgments
We thank the National 863 High-Tech Research Foundation of China (Grant no.2003AA601090) for their financial support and the journal’s anonymous referees for their valuable comments on an early draft of this manuscript.
However,on 30 August 2005,there was a sharp increase in COD concentration in the river 20km from the source of the Liming River.This suggests that a pollution incident occurred between monitoring stations #3 and #4 on the river.A survey revealed that this spike in COD was caused by an accident at the wastewater treatment plant in the upper reaches of the river; wastewater flowed directly into the river through a bypass valve.COD concentrations of the outflow from the wastewater treatment plant during the whole day are shown in Fig.7.The accident lasted for 4 h,during which time raw wastewater flowed directly into the river.The results of the hydrological–environment modeling suggested that water flow should be increased by about 1.2m3/s,and water quality in the river was quickly improved by increasing the water flow to this level.
This paper describes an online water quality monitoring and management system developed for China’s Liming River basin by combining an ANN-based model for sensing COD levels with a virtual instrument technique and using hydrological–environmental modeling to characterize the responses of the river to pollution loads and changes in the flow rate.The goal was to maintain the river’s water quality at a level compatible with the status of Daqing as a scenic resort area of China.Using this approach,an optimal environmental water allocation was obtained,permitting a marked improvement in water quality and rapid responses to pollution incidents.The approach used a large quantity of real-time monitoring data as input for the hydrological–environmental model.The results of this approach show that the system provides an effective approach to control water quality for environmental protection purposes.
Acknowledgments
We thank the National 863 High-Tech Research Foundation of China (Grant no.2003AA601090) for their financial support and the journal’s anonymous referees for their valuable comments on an early draft of this manuscript.
貌似不太难
就是TM太长了
加上少数几个单词不认识
就是TM太长了
加上少数几个单词不认识
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