abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

Background and Objective: Considering the necessity of using virtual education during the COVID-19 pandemic, there is a need to conduct research studies in order to evaluate the effectiveness of different methods of providing virtual education and examine it in different fields of medical sciences. Considering the launch of Navid virtual education system and the need to use this system for pr...

Introduction: Process of e-learning in universities because of coronavirus (Covid-19)  outbreak was developed. Since the success of students in this type of education requires appropriate and effective support,  the present study has been done  to develop a model of support system  in virtual  learning environment in medical universities. Methods: This  is an applied  qualitative research. To d...

Background: Learning is an integral part of the educational system today. Although numerous studies have been performed regarding the beneficial effects of virtual training, virtual workshops have received less attention. The purpose of this study was to understand the perceived satisfaction, usefulness and efficiency of virtual workshops of postgraduate students from Tehran University of Medic...

Introduction: The Covid-19 pandemic was the biggest challenge that caused educational systems in the world to deal with it. Universities of medical sciences directed students away from the clinical environment and they lead them to virtual education. This sudden transition was accompanied by many challenges especially in clinical fields such as nursing. Methods and Materials: This review arti...

High Purity Germanium detectors (HPGe) are subdivisions of semiconductor detectors which are widely used in nuclear technology from space industry to nuclear medicine, due to their high resolution, low dead time, unlimited size and compatibility with a variety of environments. The( absolute and intrinsic) efficiency of the HPGe detector, which depends on the geometry of the source-detector syst...

Abstract Introduction: Library is one of the essential elements of universities which provide some important educational needs of students. Virtual education can not be exempted and virtual libraries are important support for virtual training programs. The purpose of this study is to evaluate the viewpoint of administrators and students in virtual education centers about the virtual library, it...