نتایج جستجو برای: water qualitytime seriesarimaacfpacf

تعداد نتایج: 550730  

Journal: :Journal of water and health 2010
Tuukka Turtiainen Laina Salonen

Naturally occurring radioactive elements are found in all groundwaters, especially in bedrock waters. Exposure to these radioactive elements increases the risk of cancer. The most significant of these elements is radon which, as a gas, is mobile and dissolves in groundwater. In Finland, water supply plants are obliged to carry out statutory monitoring of the water quality, including radon. Moni...

2015
Matin MOHAMMADI KOUCHESFAHANI Mahmood ALIMOHAMMADI Ramin NABIZADEH NODEHI Hassan ASLANI Sassan REZAIE Samieh ASADIAN

BACKGROUND Nowadays, due to increased public awareness about water pollution and water borne diseases as well as water network deficiencies, bottled water consumers have increased dramatically worldwide, including Iran. Pseudomonas aeruginosa is an opportunistic human pathogen capable of causing widespread infections in burn and immune-compromised patients. The aim of this study was to investig...

2003
WALID A. ABDERRAHMAN W. A. Abderrahman

Most of Saudi Arabia is arid and water resources are limited; it has experienced extensive and rapid developments in industrial, agricultural, domestic and construction sectors during the last two decades. Saudi Arabia follows the sacred principles of the Islamic law ‘Shari’a’, whereby water is considered the common entitlement of all people, and the main component of the sustainability of the ...

2012
Carolina Menezes Léo Heller

The occurrence of pesticides in drinking water is a matter of growing concern in several parts of the world, mainly in developing countries, due to the possible adverse effects on human health and the environment. Pesticides applied in the agriculture, important source of contamination, can persist for several years in soil, be retained in agricultural products, be dispersed by the wind or reac...

Journal: :international journal of environmental research 2010
gh.r. nabi bidhendi n. mehrdadi s. mohammadnejad

this study aimed to find an appropriate way to minimize water utility in the petrochemical and petroleum industries. for this purpose, tehran oil refinery was chosen to analyze feasibilities of regeneration, reuse and recycling in the water network. in this research, two key contaminants including cod and hardness were analyzed. amount of freshwater was reduced about 180 m3/h (53%) and 216.88 m...

Journal: :geopersia 2013
amir saberi nasr mohsen rezaei majid dashti barmaki

fuzzy water quality index (fwqi) was applied in order to assess the degree of drinking water resources in yazd province, iran. thisstudy has also offered the creation of a new fuzzy water quality index (fwqi) to evaluate this tool’s applicability. 12 chemicalparameters including toxic and non-toxic heavy metals measured in 71 groundwater samples collected from drinking water resourcesin rural a...

Journal: :international archives of health sciences 0
a.i. amouei post address: departmental of environmental health engineering, babol university of medical sciences, ganjafrouz street, babol, iran h. faraji deputy of health services, babol university of medical sciences, babol, iran a. khalilpour environmental health research center, babol university of medical sciences, babol, iran s.h. fallah environmental health research center, babol university of medical sciences, babol, iran h.a. asgharnia environmental health research center, babol university of medical sciences, babol, iran

abstract aims: fluoride is one of the anions present in soil and water, and determining its level in drinking water is vital for preventing dental and bone diseases in societies. this research aimed to determine fluoride concentrations in drinking water sources of rural and urban areas of babol city, iran. instrument & methods: this descriptive cross-sectional study was conducted in babol city,...

Journal: :iranian journal of health sciences 0
babak djahed department of environmental health engineering, school of public health, iranshahr university of medical sciences, mohammad reza narooie department of environmental health engineering, school of public health, iranshahr university of medical sciences, seyed ali kazeminejad department of civil and environmental engineering, school of engineering, university of texas, arlington, usa esmaeel shahsavani department of environmental health engineering, school of public health, shiraz university of medical sciences, edris bazrafshan department of environmental health engineering, school of health, health promotion research center, zahedan

background and purpose: today, by increasing different pollutants, the continuous monitoring of surface waters is essential. dorudzan dam is one of the main sources of surface water in fars province, iran; hence, the current study investigated the quality  of dorudzan reservoir for drinking and irrigation consumptions. materials and methods: in this study, various physicochemical parameters [ph...

Journal: :journal of advances in environmental health research 0
ali almasi department of environmental engineering, school of public health, social development and health promotion research center, kermanshah university of medical science, kermanshah iran rouhollah shokri department of environmental engineering, abadan school of medical sciences, abadan, iran rasool momenzadeh department of environmental health engineering, kerman university of medical sciences, kerman, iran shima rezaei environmental health research center, kurdistan university of medical sciences, sanandaj, iran ali jamshidi water treatment plant, water and wastewater company, ilam, iran razieh yazdizadeh department of environmental pollution, science and research branch, islamic azad university, ahvaz, iran

nitrate has been the most common chemical contaminant in water resource. this ion is introduced into the water via different ways, but more items of nitrate pollution was connected with farming-based drainage and sewage effluent. in this descriptive-analytical study, groundwater nitrate and nitrite concentrations of 8 wells on dehloran, ilam, iran, were analyzed in 2015 to determine the causes ...

Journal: :تحقیقات نظام سلامت 0
قاسم رجایی دانشجوی کارشناسی ارشد، گروه محیط زیست، دانشکده کشاورزی، دانشگاه بیرجند، بیرجند، ایران. محمد هادی مهدی نژاد استادیار، عضو مرکز تحقیقات بهداشت محیط، دانشکده پیراپزشکی و بهداشت، دانشگاه علوم پزشکی گلستان، گرگان، ایران سمانه حصاری مطلق دانشجوی کارشناسی ارشد، گروه محیط زیست، دانشکده کشاورزی، دانشگاه بیرجند، بیرجند، ایران

background: during recent years, overpopulation, increase of wastewater, and drop in water tables has led to high concentration of salts in underground water, which is an important environmental pollutant. if concentration of salt in drinking water exceeds the limits, it will be dangerous for health. the aim of this study was to measure physical and chemical parameters in drinking water of rura...

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