1Department of Environmental Biology and Health, CSIR Water Research Institute, Accra, Ghana 2Department of Environmental Engineering, University of Energy and Natural Resources Sunyani, Ghana 3Department of Agriculture, Methodist University, Wenchi Campus, Brong Ahafo, Ghana 4Department of Environmental Resources, UNESCO-IHE Institute for Water Education, Delft, Netherlands 5UNESCO Regional Sc...

  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...

Corn production management including nitrogen consumption will be different at different circumstances. In order to investigate the effect of different levels of nitrogen fertilizer on yield and yield components of seed corn hybrids in Khuzestan weather conditions, this research was carried out in the summer of 2013 in the lands of Safi Abad Agriculture and Natural Resources Research Center-Dez...

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...