background: composition of dust in the air due to contact with human via inhalation, ingestion and skin absorption will have a large impact on public health. in the learning environments such as universities, many people spend most of their day in contact with the dust. the purpose of this study was to evaluate the concentration of heavy metals lead, chromium and copper in the training space of...

Dr. Mohammad Hossein Jazirei was born in 1922 in Bandar-e-Anzali and finished high school there.In May 1944, he graduated in agriculture engineering and occupied the position of Lahijan forester in Forestry Department of Ministry of Agriculture in fall. In 1955, he moved to Belgium and was admitted by Agronomy Institute of Belgium; he achieved MS in Water and Forest field in 1957. After doing r...

  Background: Composition of dust in the air due to contact with human via inhalation, ingestion and skin absorption will have a large impact on public health. In the learning environments such as universities, many people spend most of their day in contact with the dust. The purpose of this study was to evaluate the concentration of heavy metals lead, chromium and copper in the training s...

remote sensing tool for scientific research in the late 1970s. However, due to a variety of limitations (the weight and limited functionality of available sensors and cameras, the lack of GPS-guided autopilots and so on) these platforms had few practical applications (Przybilla and Wester-Ebbinghaus 1979; WesterEbbinghaus 1980; cited by Colomina and Molina 2014). For years, UAS technology was l...

Forum Videos Are Available at bit.ly/1ugX8yk California’s ongoing drought is extraordinary and one of the worst in state history. Recently, Stanford University scientists reported that the drought may be linked to global climate change. This special issue of ARE Update summarizes a one-day Forum on climate change and associated challenges facing California’s agriculture and natu­ ral resources,...