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With the rapid development of petrochemical industry, it becomes an inevitable trend that petrochemical data operation cost should be controlled effectively. How to strengthen petrochemical data operation cost management has become one of the hot topics in petrochemical system. This paper presents a design method of petrochemical data cost management system based on multi-objective constraint calculation...
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.
Enterprise management is improving its capacities, with its practice being advanced. However, it is facing greater challenge of transformation and upgrading, as the result of fiercer competition and accelerated globalization driven by global economic changes and IT revolution. Based on three years of studies of thousands of enterprises in 12 industries, jointly conducted by the experts and scholars...
For L a complet Heyting algebra, on any complete L-ordered sets we introduce the concepts of L-closure operators, L-closure systems and L-closure L-systems. We show that there is a one-to-one correspondence between all L-closure operators and all L-closure systems (resp., L-closure L-systems).
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