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目的 对新疆和田县改水综合效益进行评估及量化分析。方法 回顾了和田县 1992～ 1998年介水传染病(痢疾、肝炎、伤寒和霍乱 )发病情况 ,健康教育成果 ,对取水负担的减轻和医药费用的节约做了量化分析。结果 改水受益人口占和田县总人口 95 % ,和田县 1992～ 1998年介水传染病发病率除痢疾外均呈下降趋势 ,群众卫生知识水平提高 ,养成良好的卫生习惯 ;截止到 2 0 0 0年累计改水投资 4 5 5 0万元 ,累计节约取水负担费用 186 4～ 4 2 4 6万元 ,累计节约医药费用 6 6 0万元 ,兴建水厂效益 2 91万元 ,庭院经济效益 35 5 6万元 ,直接经济效益 6 731万元～ 875 2万元。结论 和田县改水工程具有显著的社会效益和经济效益 ,其经济效益明显超出总投资规模
Objective To evaluate and quantitatively analyze the comprehensive benefits of water diversion in Hetian County, Xinjiang. Methods The incidence of water-borne infectious diseases (dysentery, hepatitis, typhoid fever and cholera), health education achievements in Hetian from 1992 to 1998 were reviewed. Quantitative analysis was made on the reduction of water-taking burden and the medical expenses. Results The population benefiting from water improvement accounted for 95% of the total population in Hetian County. The incidence of water-borne infectious diseases in Hetian County dropped from 1992 to 1998 except for dysentery, and the health knowledge of the masses was raised to develop good hygiene habits. As of 20 In 2005, the total investment in water diversion was 45.5 million yuan, saving a total of 186.4-4.464 million yuan in water abstraction expenses, saving a total of 66.0 million yuan in medical expenses and 21.91 million yuan in water works. The economy of the courtyard 35,560,000 yuan of benefits and direct economic benefits of 67.31 million yuan to 875.2 million yuan. Conclusion Hotan County Water Project has significant social and economic benefits, its economic benefits significantly beyond the total investment