the existence of ra 226 is proved and measured by radiom emanation-method in waters and food products of north , north west and north – east of iran. a total of 126 water, 249 food and 22 air samples have been examined. the concertration of ra 226 in waters found to be 0.01 to 1.104 pci/1 and in food products from 0.01 to pci/gr. ash.the amount found in due ranges from 0.003 to 0.227 pci/m 3.it...

Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko, Chiba 270-1194, Japan Faculty of Environmental Earth Science, Hokkaido University and CREST-JST, North 10 West 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan Graduate School of Environmental Science, Hokkaido University, North 10 West 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan ...

Mali is located in the Sahel region of West Africa, to the south-west of Algeria and north of Burkina Faso and Niger (Figure 1). It has a large area of some 1.24 million square kilometres. The terrain is dominated by flat or rolling sand-capped plains in the north and savannah in the south, although rugged hills occur in the north-east. Elevation varies from the highest point at Hombori Tondo (...

Background: The consumption of low quality foods is common in low socioeconomic areas; and according to epidemiological studies, the density of nutrients often proves the quality of diet. This study aimed to compare the density of macronutrients and micronutrients in various parts of Tehran.   Methods: This was a cross-sectional study performed from September to December 2007 in all the...

Robert B. Bourret, Nyles W. Charon, Ann M. Stock,* and Ann H. West Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, North Carolina 27599-7290; Department of Microbiology and Immunology, Health Sciences Center, West Virginia University, Morgantown, West Virginia 26506-9177; UMDNJ-Robert Wood Johnson Medical School and Howard Hughes Medical Institute, Piscataw...

Weather and climate have a strong influence on tourism and the recreation sector, which is a very important industry. Since tourism is becoming one of the main industries all over the world, it plays an important role in promoting national and local economic development. This paper attempts to show the role of climate in tourism seasonality and tries to study the impacts of climate resources on...

During the winters of 2013-2014 and 2014-2015, anomalously warm temperatures in western North America and anomalously cool temperatures in eastern North America resulted in substantial human and environmental impacts. Motivated by the impacts of these concurrent temperature extremes and the intrinsic atmospheric linkage between weather conditions in the western and eastern United States, we inv...