نتایج جستجو برای: water sources.

تعداد نتایج: 818490  

Journal: :molecular biology research communications 0
mohammad tabatabaei department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran zahra hemmati department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran maryam-o-sadat moezzi department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran negar azimzade department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran

legionella pneumophila, the causative agent of legionnaires’ diseases (ld) is usually transmitted to humans via inhalation of aerosols from contaminated natural and manmade water sources. these organisms may become fatal especially in immunocompromised patients and ld is the one of the important disease from a public health perspective. this survey investigated the frequency of legionella spp. ...

2018
Lin Shu

A gambling or "game" phenomenon can be observed in the complex relationship between sources and receptors of ecological compensation among multiple stakeholders. This paper investigates the problem of gambling to determine payment amounts, and details a method to estimate the ecological compensation amount related to water resources in the Wuxijiang River reservoir area in China. Public statist...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...

Journal: :iranian journal of health sciences 0
zabihollah yousefi department of health,health sciences research center, mazandaran university of medical sciences, sari, iran. samad rouhani department of health,health sciences research center, mazandaran university of medical sciences, sari, iran. seyyed mohsen ansari-yeganeh school of public health, mazandaran university of medical sciences

background and purpose: water is the most important limiting factor of sustainable development. poor quality of water sources and lack of appropriate management in some regions are the main reasons of water crises in the country. this study was conducted to assess water sources quality and the trend of their change in rural area of sabzevar county in a five year period. materials and methods: i...

2016
Namchul Shin Horst Treiblmaier

As the recent development of the Physical Internet contributes to a more efficient usage of transportation and logistics technologies, the question arises whether these technologies may have a varying impact on countries’ economic performance. Thus, it is crucial to understand the drivers of transportation volume. In this paper we present a country-level analysis of the determinants of growth o...

Abel Weldetinsae, Girum Taye, Kirubel Tesfaye, Sisay Derso Mengesha,

Background: This retrospective study aimed to investigate the physicochemical properties of drinking water sources in Ethiopia and compare the water quality with the health-based target. For this purpose, the water quality database of Ethiopian Public Health Institute (EPHI) from 2010 to 2016 was used. Methods: The concentration and other properties of the water samples were analyzed according...

Journal: :iranian journal of health sciences 0
ahmad reza yari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran shahram nazari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran amir hossein mahvi department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran gharib majidi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran soudabeh alizadeh matboo department of environmental health engineering, school of public health, ardabil university of medical sciences, ardabil, iran mehdi fazlzadeh department of environmental health engineering, school of public health, ardabil university of medical sciences, ardabil, iran

background and purpose: fluoride is a natural element essential for human nutrition due to its benefits for dental enamel. it is well-documented that standard amounts of fluoride in drinkingwater can decrease the rate of dental caries. this study was conducted with the aim of measuring fluoride concentration of drinking-water supplies and urban distribution system in qom, iran. materials and me...

Journal: :Mountain Research and Development 2009

Samad Rouhani, Seyyed Mohsen Ansari-Yeganeh, Zabihollah Yousefi,

Background and purpose: Water is the most important limiting factor of sustainable development. Poor quality of water sources and lack of appropriate management in some regions are the main reasons of water crises in the country. This study was conducted to assess water sources quality and the trend of their change in rural area of Sabzevar County in a five year period. Materials and Met...

Journal: :Pathogens and Global Health 2014

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