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Vanadium oxides have aroused attention as cathode materials in aqueous zinc‐ion batteries (AZIBs) due to their low cost and high safety. However, low ion diffusion and vanadium dissolution often lead to capacity decay and deteriorating stability during cycling. Herein, vanadium dioxides (VO2) nanobelts are coated with a single‐atom cobalt dispersed N‐doped carbon (Co–N–C) layer via a facile calcination...
The Analytic Hierarchy Process (AHP) is a structured technique for helping people deal with complex decisions. It is used throughout the world in a wide variety of decision situations. In the paper AHP is introduced and applied to university performance assessment.
Based on credibility theory, this paper firstly constructs a new type of fuzzy transportation expected value model with credibility constraint, in which the transportation cost and the man-power coefficients are uncertain and assumed to be characterized by fuzzy variables with known possibility distributions. Then we discuss some basic properties with respect to the objective function and credibility...
Objective To observe the changes of vascular endothelial functions and general neuro-endocrine-immunity (NEI) network under the state of qi-deficiency syndrome induced by excessive idleness and to approach their internal relevance and illuminate initially the pathophysiological mechanism of vascular lesion induced by excessive idleness. Methods A total of 100 male Wistar rats were randomly divided...
Based on credibility theory and two-stage fuzzy optimization method, this paper presents a new class of dynamic capacity acquisition and assignment model. Then we deal with the approximation of fuzzy two-stage dynamic capacity acquisition and assignment problem. After that, a heuristic algorithm, which combines approximation approach, neural network (NN) and simulated annealing (SA), is designed to...
To model fuzzy dynamic capacity acquisition and assignment, the paper considers a fuzzy expected value model based on credibility theory and two-stage fuzzy optimization method. After that, a solution approach, which combines fuzzy simulations, neural network (NN) and genetic algorithm (GA), is designed to solve this proposed two-stage fuzzy dynamic capacity acquisition and assignment problem. At...
Fuzzy measure and integral are widely used in multiple classifier system (MCS). But the number of coefficients involved in the fuzzy integral model grows exponentially with the number of classifiers to be aggregated. The main difficulty is to identify all these coefficients. This paper does an attempt Using 2-additive fuzzy measure in multiple classifier system. Our conclusion is that when different...
Based on credibility theory and two-stage fuzzy optimization method, this paper presents a class of multi-product multi-period (MPMP) production planning problem. Some basic properties about the two-stage production-planning model are discussed. In addition, a heuristic algorithm, which combines fuzzy simulations and genetic algorithm (GA), is designed to solve the production planning problem, and...
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