| Sea water desalination is an important means to alleviate the water shortage problem alongside the sea areas in China in the 21 century. The purpose of this paper is to select the one most appropriate technical method of sea water desalination for us power firms. As the evaluation of sea water desalination and other engineering projects always include plenty of complex factors and includes many subjective, or fuzzy judgements, we determined a both practically feasible and theoretically objective and quantitative method to evaluate the different technical alternatives. We suggest use fuzzy comprehensive evaluation method for engineering project and technical alternative evaluations, with pairwise comparison method being used to determine the weights of different alternatives. The application of this method to the sea water desalination project proved the effective of our model. |
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