Environmental temperature has profound effects on animal physiology, ecology, and evolution. Glucocorticoid (GC) hormones, through effects on phenotypic performance and life history, provide fundamental vertebrate physiological adaptations to environmental variation, yet we lack a comprehensive understanding of how temperature influences GC regulation in vertebrates. Using field studies and met...

the treatment facility of albourz industrial city was established in 1999 at the southeast of albourz mountain with an area of 200,000 square meters. currently, 40,000 cubic meters of industrial wastes are treated daily utilizing biological method of activated sludge up to the second phase without chlorination in this treatment facility. then, the discharged wastes are directed toward the lower...

Background Physical activity in students in addition to positively affecting their different health aspects is also effective in academic progress and reducing absence from school. Physical activity in students is affected by several factors. The aim of this systematic ...

Background & aim: Considering the important role of exclusive breastfeeding in the first six months of birth and its relation with sociocultural beliefs, this study was conducted to explore the factors affecting exclusive breastfeeding in the first six months of birth in women residing in Neyshabour, Iran. Methods:</stro...

various disasters are still inevitable and over the last two decades, affected lives of at least 800 million people. iran is one of the most disaster-prone countries and about 90% of the country are at risks of earthquakes or floods. thus, the disaster management in our country is a priority. in recent years, several protocols have been put forward to manage the emergencies and disasters. in th...

end of life vehicles, cause serious environmental impact owing to present end of life treatment practice and abandonment in the nature. the enormous volume of vehicle waste and accompanying environmental impacts encourage seeking an environmentally effective policy solution to control the problem of end- of – life vehicle. this research attempt to explore and discuss the determinant factors, wh...

Iran, a 4-season land in the world, is located in semi-arid part of Asia. There are several geographical climates in this country, which are the main causes for the existence of diverse ecological conditions. In the north, where the Caspian Sea meets the land, there are three provinces. One of these, Guilan province, (the studied area) is located in the southwest of the Caspian with different g...

objectives: because of the high rates of accidents, the construction industry has become a hazardous industry in iran and therefore paying more attention is required. this paper investigates safety management in construction companies for improving workers’ safety as one of the ergonomics aims. methods: in order to survey the safety management in construction companies a questionnaire was prepa...