首页> 中文期刊> 《净水技术》 >臭味层次分析法(FPA)评价饮用水臭味的人为影响因素

臭味层次分析法(FPA)评价饮用水臭味的人为影响因素

         

摘要

通过嗅觉测试簿辨识、阈值及强度等级评价等几项培训来验证臭味层次分析法(FPA)测定嗅觉能力与性别、年龄、生活习惯等之间的关系及影响程度.结果表明20~30岁人群100%符合筛选标准,且一半以上嗅觉测试达到优秀.女性嗅觉比男性灵敏,女性MIB(土霉味)平均嗅阈值低至2.77 ng/L,但男性对生活中常见臭味更为敏感.此外符合嗅觉测试簿标准的20~30岁及40~50岁人群的嗅觉辨识度和强度等级评价精确度较高,但总体嗅觉辨识度及灵敏度随年龄增长而下降.%Through targeting the content of FPA such as the sense of smell identification test book, threshold and intensity level, the relationship and the interrelationship between olfactory evaluation capacities and sex, age, living habits were analyzed. The result shows that 100 % 20 to 30-year-old group is in line with the selecting criteria, and more than half of them achieve excellence in the sense of smell test. Women s sense of smell is more sensitive than men s, whose average threshold values of MIB is as low as 2.77 ng/L, while male is more sensitive to common odor in life. In addition, the olfactory identification and intensity of 20 to 30 overall and 40 to 50 year-old group in line with the standard olfactory test book rate higher precision, but the degree of olfactory identification and sensitivity decline with age overall.

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