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Effluent ammonia-nitrogen (NH3-N), chemical oxygen demand (COD) and total nitrogen (TN) removals are the most common environmental and process performance indicator for all types of wastewater treatment plants (WWTPs). In this paper, a soft computing approach based on the back propagation (BP) neural networks and fuzzy-rough sets (FR-BP) has been applied for forecasting effluent NH3-N, COD and TN...
This paper discusses the classification on the grade of likelihood of accident occurrence in prediction and severity of the consequences of accidents, based on construction characteristics of large and medium-sized projects and questions put forward in site safety management. Practically, the likelihood of accident occurrence is classified into five fuzzy grades. Under the premise conditions of probable...
In this article, an analytic hierarchy process (AHP) approach is described and applied to a fuzzy synthetic evaluation on customer loyalty of commercial banking industries. Results of the AHP show that the customer loyalty coefficient of certain commercial banking enterprise is within the "very promising" range. In addition, the results also show that repeat purchase intention, referral...
In this paper, the algebraic structure for a class of point fuzzy numbers are investigated that new algebraic operations about point fuzzy numbers are presented, such that point fuzzy numbers set F(R) are F-Abel group, F-linear space, and F-commutative algebra, respectively. Example is also given to illustrate our results.
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