نتایج جستجو برای: pollution measurement

تعداد نتایج: 508273  

Journal: :jundishapur journal of health sciences 0
sahar geravandi department of nursing, tehran medical sciences branch, islamic azad university, tehran, ir iran afshin takdastan environmental technologies research center, department of environmental health engineering, health faculty, ahvaz jundishapur university of medical sciences, ahvaz, ir iran elahe zallaghi department of environmental, khouzestan sciences and research, islamic azad university, ahvaz, ir iran mehdi vousoghi niri department of environmental health engineering, health faculty, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mohammad javad mohammadi department of environmental health engineering, health faculty, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of environmental health engineering, health faculty, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-9355439707 hamed saki department of environmental health engineering, health faculty, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

conclusions according to the results of this study, with increasing load of traffic, there is an increasing need for proper consideration plans to control noise pollution and prevent its effects. results according to the research findings, the equivalent sound pressure levels in all stations were 76.28 ± 3.12 db (mean ± sd). according to sound measurements and the survey questionnaire, noise po...

Journal: :Environmental Health Perspectives 1994
W Navidi D Thomas D Stram J Peters

We discuss a hybrid epidemiologic design that aims to combine two approaches to studying exposure-disease associations. The analytic approach is based on comparisons between individuals, e.g., case-control and cohort studies, and the ecologic approach is based on comparisons between groups. The analytic approach generally provides a stronger basis for inference, in part because of freedom from ...

Journal: :Brazilian Journal of Anesthesiology (English Edition) 2021

2011
M. Amir Abas

This paper presents the investigation results of UV measurement at different level of altitudes and the development of a new portable instrument for measuring UV. The rapid growth of industrial sectors in developing countries including Malaysia, brings not only income to the nation, but also causes pollution in various forms. Air pollution is one of the significant contributors to global warmin...

2009
Giovanni Betta Domenico Capriglione Gianfranco Miele Luca Rossi

 Worldwide Interoperability for Microwave Access (WiMAX), based on the IEEE 802.16 standards, is a technology that offers mobile broadband access to multimedia and internet applications at low cost for operators and end-users. Similarly to cellular phone or other Radio Frequency devices, WiMAX has to be considered as a possible source of electromagnetic pollution and so, monitoring its emissio...

Journal: :health scope 0
sedigheh atrkar roshan department of economic, university of alzahra, tehran, ir iran omran ahmadi department of sciences of occupational health, tarbiat modarres university, tehran, ir iran; department of sciences of occupational health, tarbiat modarres university, tehran, ir iran. tel: +98-9144241240

conclusions since traffic noise pollution is a high cost for tabriz residents, extensive preventive measures and comprehensive control programs by managers and city authorities as unavoidable necessities are suggested. the measures have to be taken by urban managers and decision-makers to reduce the health impact of traffic noise on tabriz residents. background noise pollution is one of the mos...

Journal: :مدیریت شهری 0
علی مهدی معصومه مهدیان بهنمیری

one of the most important issues in today&rsquos; urban world is increasing use of cars and its noise pollution, which is now one of the most important affecting pollutants on health and quality of lives of residents in urban areas. noise pollution effects on various aspects of human and the community health as well as the high cost of treatment, thus more studies in this field is needed. hence...

2017
Jacek A Koziel Timothy S Frana Heekwon Ahn Thomas D Glanville Lam T Nguyen J Hans van Leeuwen

Managing the disposal of infectious animal carcasses from routine and catastrophic disease outbreaks is a global concern. Recent research suggests that burial in lined and aerated trenches provides the rapid pathogen containment provided by burial, while reducing air and water pollution potential and the length of time that land is taken out of agricultural production. Survival of pathogens in ...

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