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Fish physiology and behavior are affected by exposure to light of varying colors, but little is known about the effects on swimming performance and metabolism. The purpose of this study was to measure the effects of light color on the swimming performance of bighead carp (Aristichthys nobilis), a planktivorous fish species widely used in aquaculture. Stepped velocity testing was conducted in a modified...
Schedule, cost and quality control are main aspects in construction project management. Taking duration, cost and quality into account simultaneously, and keeping the balance among them during the whole process of project management are significant for the improvement of the overall benefits of construction project. In general, there is a trade-off between duration, cost and quality to complete a...
Existing methods dealing with the time-cost trade-off problem, which is encountered in project planning, have focused on the solution of a basic problem that does not adequately represent actual engineering projects. Time-cost situations focus on reducing the critical path that determines the project completion date. This paper analyzes the relationship between time and cost,, and then deduces duration...
Decision-making problem is the process of finding the best option from all of the feasible alternatives. To some extent, decision-makers usually are more confident making linguistic judgments than crisp value judgments. The aim of this paper is to extend the TOPSIS method to decision-making problems with fuzzy data. In this paper the fuzzy theory is introduced into the multi-objective decision making(MODM)...
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