نتایج جستجو برای: water quality assessment

تعداد نتایج: 1727338  

Journal: :iranian journal of public health 0
marzieh farhadkhani 1. dept. of environmental health engineering, school of health, isfahan university of medical sciences , isfahan, iran. mahnaz nikaeen 1. dept. of environmental health engineering, school of health, isfahan university of medical sciences , isfahan, iran. behrouz akbari adergani 2. water safety research center, food and drug organization, ministry of health and medical education , tehran, iran. maryam hatamzadeh 1. dept. of environmental health engineering, school of health, isfahan university of medical sciences , isfahan, iran. bibi fatemeh nabavi 1. dept. of environmental health engineering, school of health, isfahan university of medical sciences , isfahan, iran. akbar hassanzadeh 3. dept. of statistics and epidemiology, school of health, isfahan university of medical sciences , isfahan, iran.

drinking water quality can be deteriorated by microbial and toxic chemicals during transport, storage and handling before using by the consumer. this study was conducted to evaluate the microbial and physicochemical quality of drinking water from bottled water coolers.a total of 64 water samples, over a 5-month period in 2012-2013, were collected from free standing bottled water coolers and wat...

A. Esmaeili Ofogh E. Ebrahimi, M. Mirghafarry P. Fathi

The Choghakhor International Wetland plays an important role in preserving and protection of part of the plant and animal species in the Iranian plateau. Since the water of this wetland is utilized for different human purposes, complete periodic chemical and physical quality assessment of its water seems necessary. Water quality index (WQI) was calculated using the following eleven parameters: ...

Journal: Pollution 2015

The development of a surface water evaluation index is a critical factor in the assessment, restoration and protection of stream water quality. Quantifying water pollution in specific grade using dominant parameters is important, as this can explain the current state of water pollution with accuracy. As a result, an integrated multi-parameter water quality index has been developed. It is based ...

The study has been carried out to assess surface water quality of Old Brahmaputra River from September 2015 to March 2016. DO, BOD5, COD, pH, EC, Chloride, Alkalinity, and Hardness concentrations in water samples have been found to range within 0.66-2.9 mg/L, 21-138 mg/L, 45-250 mg/L, 7.1-7.8, 185-1080 uS/cm, 10-98 mg/L, 85-197 mg/L, and 84-148 mg/L, respectively. Multivariate statistical analy...

Journal: Pollution 2018

The study has been carried out to assess surface water quality of Old Brahmaputra River from September 2015 to March 2016. DO, BOD5, COD, pH, EC, Chloride, Alkalinity, and Hardness concentrations in water samples have been found to range within 0.66-2.9 mg/L, 21-138 mg/L, 45-250 mg/L, 7.1-7.8, 185-1080 uS/cm, 10-98 mg/L, 85-197 mg/L, and 84-148 mg/L, respectively. Multivariate statistical analy...

Ebrahimi, E., Esmaeili Ofogh , A., Fathi, P., Mirghafarry, M.,

The Choghakhor International Wetland plays an important role in preserving and protection of part of the plant and animal species in the Iranian plateau. Since the water of this wetland is utilized for different human purposes, complete periodic chemical and physical quality assessment of its water seems necessary. Water quality index (WQI) was calculated using the following eleven parameters: ...

Journal: :Water 2022

Water contamination is indeed a worldwide problem that threatens public health, environmental protection, and agricultural productivity. The distinctive attributes of machine learning (ML)-based modelling can provide in-depth understanding into increasing water quality challenges. This study presents the development multi-expression programming (MEP) based predictive model for parameters, i.e.,...

Journal: :E3S web of conferences 2023

Ground water demand in India has significantly increased as a result of the country's fast population development, industrialization, and urbanization. Using quality index, or WQI helpful numerical instrument for deriving complex information from any body reporting analyzing it. is essentially mathematical method calculating single value set test results. Any model can explain degree contaminat...

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