Barley Net Blotch caused by Pyrenophora teres f.teres (Ptt) is one of the most important foliar diseases in north western Algeria.The disease could cause appreciable yield losses under favorable environmental conditions.Studies on pathogen variability and distribution of virulence in Ptt are essential to identify effective sources of resistance to

Introduction.The most important tendency of modern development is the process of post-industrial transformation of the economy, which influences the tourist and hotel and restaurant industry is intended to compensate partly the relative monotony of labour activity, which is connected with its limited specialization and subordination to the social d

As a key technology to study the physical mechanism of single event effects (SEEs) and to identify the sensitive area of microelectronic devices, heavy ion micro-beam irradiation has been paid more and more attention by researchers.Single ion hit (SIH) is an important part of heavy ion micro-beam irradiation, which could reduce the number of incide

This paper challenges the charge of inferiority, on the basis of objectivity, against the social sciences.The idea of objectivity is that facts about the state of the world and entities in it grateful dead silicone mold are observed or studied without a taint of personal bias, value judgement or particular perspective.The social sciences are accuse