WATER QUALITY INFORMATION SYSTEM DEVELOPMENT: SAMPLE SIZE OPTIMIZATION
نویسندگان
چکیده
منابع مشابه
water quality zoning based on water quality index and wilcox index using geographic information system
conclusions according to the average of wqi index, quality of water was good in station number one, medium in station number two, and bad in the rest of stations. according to the wilcox index, qualities of water in third station were medium and in the rest were good. results by using wqi, the best water quality was reported in station number one with the scalar quantity of 71.11 (water with be...
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متن کاملWater Quality Evaluation of Bamdezh Wetland Using Combination of NSFWQI and Geographic Information System
Bamdezh wetland with the geographical coordinates of north longitude, east latitude and an area of 44 square Kilometers, is located in about 40 km northwest of Ahvaz and Shavur River is the main source of its supply. This wetland is not only a habitat and suitable food source for aquatic and migratory birds, but as well a significant resource of income for the locals. Today, with the arrival ...
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So far censored samples have been studied by many researchers. One of the most important methods of censoring is progressively type II censoring. An interesting issue in the discussion of censoring is determination of the optimal sample size. Various factors are influential in determining the appropriate sample size, the most important of which is the sampling cost criterion. In this paper, ass...
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ژورنال
عنوان ژورنال: Journal of Al-Azhar University Engineering Sector
سال: 2018
ISSN: 1687-8418
DOI: 10.21608/auej.2018.19051