In recent years, many areas of China have suffered from serious haze pollution, which greatly affects human health and daily life. It is of policy importance to understand the factors that influence the spatial concentration of PM2.5. Based on data from 74 cities with PM2.5 monitoring stations in 2013 and 2014, this study presents the overall haze situation in China and explores the determinant...

Due to environmental pollution, the climate is worsening. The fog days up to 60% of the year in inland certain segments, which it has seriously affected the marine electronic cruise normal operation and navigation safety. According to the inland video image becomes gray and lack of visibility in foggy weather conditions, and in order to remove the haze to get a clear image color and contour, th...

The rise in obesity rates is an alarming global health concern. Despite obesity is mainly due to an unbalanced energy intake and expenditure, several recent studies suggest that it could be a consequence of exposure during critical developmental windows to environmental chemicals disrupting endocrine functions. This suggests that a shift is occurring in the human body pathways used to integrate...

Gene-environment interactions contribute to complex disease development. The environmental contribution, in particular low-level and prevalent environmental exposures, may constitute much of the risk and contribute substantially to disease. Systematic risk evaluation of the majority of human chemical exposures, has not been conducted and is a goal of regulatory agencies in the U.S. and worldwid...

during past few years, the cupressus arizonica has been abundantly planted in tehran, causing a significant increase of allergic diseases from the middle of winter to the beginning of spring. the aim of this study was the comparison of pollen protein content in two major varieties of c. arizonica planted in tehran, including c. arizonica var. arizonica and c. arizonica var. glabra , in order to...

Traffic problems are the most prominent urban dilemmas, especially during recent years, since the capacity of old traffic arteries don’t meet the increasing volume of population and vehicles, therefore, adopting some measures in order to enhance the capacity of existing roads has been placed on the agenda of urban managers. Changing the existing intersections to over changes is one of these met...