نتایج جستجو برای: annual maximum level
تعداد نتایج: 1428841 فیلتر نتایج به سال:
simulation of climate change in iran during 2071-2100 using precis regional climate modelling system
parameters such as future precipitation, temperature, snowfall, and runoff were modeled using precis regionalclimate modeling system in iran with the horizontal resolutions of 0.44×0.44°c in latitude and longitude under sresa2 and b2 scenarios. the dataset was based on hadam3p during the periods of 1961-1990 and 2071-2100. theoverall precipitation error of the model in the period of 1961-1990 w...
Background and Aim: Estimation of radon density in underground centers is very important. Considering the use of high-energy medical accelerators, radiotherapy departments are usually located in underground floors. The aim of this study was to evaluate staff exposure to radon gas in these centers in Tehran in 2015-2016. Materials and Methods: This is a descriptive, cross-sectional survey. In...
The projected rainfall change under various scenarios is likely to have both positive and negative implications on agriculture and water supply because in rainfall pattern across the country. Rise in rainfall is seen over all states except Punjab, Rajasthan and Tamil Nadu, which show slight decrease in precipitation in the future scenarios. Marked increase in covering the Western Ghats and nort...
Abstract Background and purpose: People are always exposed to ionizing radiation, which could badly influence their health. The degree of these influences depends on the level of radiations. In this study the dose of indoor gamma radiation was assessed using RDS-110 Multi-purpose Survey Meter. Materials and methods: To determine the dose rate of indoor radiations in cities of Hamedan provi...
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