نتایج جستجو برای: indicators of water quality

تعداد نتایج: 21263288  

Journal: :international journal of occupational hygiene 0
hamid sarkheil department of environmental engineering, college of environment, karaj, iran shahrokh rahbari 1-department of environmental engineering, college of environment, karaj, iran and gas production company, cheshmeh khosh production unit.

original article   introduction: establishment of hse management system (hse-ms) in industries is served as important managerial factor which achieves the requirements of health, safety, environment and sustainable development. today, hse_ms is known as a vital system in occupational fields due to corresponding considerations for economy, sustainable development, society and ecology. the import...

Journal: :Journal of water and health 2013
Jennyfer Wolf Sophie Bonjour Annette Prüss-Ustün

Monitoring progress towards the targets for access to safe drinking-water and sanitation under the Millennium Development Goals (MDG) requires reliable estimates and indicators. We analyzed trends and reviewed current indicators used for those targets. We developed continuous time series for 1990 to 2015 for access to improved drinking-water sources and improved sanitation facilities by country...

Journal: :iranian journal of environmental sciences 0
ali rnjbar jafarabadi department of environment science, faculty of natural resources and marine sciences, tarbiat modares university of tehran, iran maliheh masoodi department of environment science, gorgan university of agricultural and natural resource, iran maryam sharifiniya department of fishery science, gilan university, iran alireza riyahi bakhtiyari department of environmental sciences, faculty of natural resources and marine sciences, tarbiat modares university, noor, mazandaran, iran

evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...

Journal: :Journal of water and health 2010
Kathy Cinque Niranjali Jayasuriya

To ensure the protection of drinking water an understanding of the catchment processes which can affect water quality is important as it enables targeted catchment management actions to be implemented. In this study factor analysis (FA) and comparing event mean concentrations (EMCs) with baseline values were techniques used to asses the relationships between water quality parameters and linking...

Journal: :iranian red crescent medical journal 0
jafar hassanzadeh department of epidemiology, school of health and nutrition, shiraz university of medical sciences, shiraz, ir iran abolfazl mohammadbeigi department of epidemiology, school of health, qom university of medical sciences, qom, ir iran; department of epidemiology, school of health, qom university of medical sciences, qom, ir iran. tel: +98-25-37835522 babak eshrati department of epidemiology, school of health, arak university of medical sciences, arak, ir iran abbas rezaianzadeh department of epidemiology, school of health and nutrition, shiraz university of medical sciences, shiraz, ir iran abdolreza rajaeefard department of epidemiology, school of health and nutrition, shiraz university of medical sciences, shiraz, ir iran

conclusions in spite of improvements in the national health indicator, different groups of people use health care services differently, but these inequities in hcu are related to social and individual factors. also, it is clear that health sector facilities and the accessibility to health services are not the only predictors. results 66.4% of those in need sought outpatient health care from whi...

Journal: :iranian journal of aquatic animal health 0
m naderi samani h jafaryan h gholipour m harsij m farhangi

a 4 days study was conducted to determine the effects of different concentration of bioaugmentor bacterial strain bacillus licheniformisi, b. subtilis, b. polymyxa, b. laterosporus and b. circulans (protexin aquatech, uk) on adjustment of parameters of water quality as tan, no2-n, no3-n and turbidity from the effluent of common carp ponds. effects of time and concentration were studied as a com...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

apart from other aspects, desert is a natural environment and is one of the appealing terrestrial elements. putting its symbolic and fictional senses aside, the term “desert” bears mystic sense more than material sense. in addition to the worlds materialistic experiences, desert has attracted the attention of writers because it creates a kind of inner experience, which returns the individual in...

Journal: :Journal of water and health 2004
Javier Méndez Ana Audicana Mercedes Cancer Anna Isern Julian Llaneza Belén Moreno Mercedes Navarro M Lluisa Tarancón Fernando Valero Ferran Ribas Juan Jofre Francisco Lucena

Bacterial indicators and bacteriophages suggested as potential indicators of water quality were determined by public laboratories in water from springs, household water wells, and rural and metropolitan water supplies in north-eastern Spain. Indicator bacteria were detected more frequently than bacteriophages in springs, household water wells and rural water supplies. In contrast, positive bact...

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