BACKGROUND/AIM Radiation oncology covers many different fields of knowledge and skills. Indeed, this medical specialty links physics, biology, research, and formation as well as surgical and clinical procedures and even rehabilitation and aesthetics. The current socio-economic situation and professional competences affect the development and future or this specialty. The aim of this article was...

The sunlight received by plants is affected cloudiness and pollution. Future changes in cloud cover will differ among regions, while aerosol concentrations are expected to continue increasing globally as a result of wildfires, fossil fuel combustion, industrial Clouds aerosols increase the diffuse fraction modify spectral composition incident solar radiation, both affect photosynthesis terrestr...

The main objective of the study is to estimate direct solar radiation (IB) and diffuse (ID) on Bode, Bhaktapur (27.68° N, 85.39° E, 1297 m a. s. l.) for a period one year (2013). Daily data Aerosol optical depth (AOD), total ozone column are derived from NASA website. maximum minimum monthly average values were found 318±95 W/m2 in April 108 ± 20 August respectively. 975±74 February 748 126 Mar...