in u.s. public opinion before the 11 september have defined terrorism is a unpresidented events in thire countries. but true is since two centuries ago until now, especially after secound world war, united states extremly has experienced domestic and foreign terrorist groups and their attacks. wathever it wasn’t as well as scale of the other west countries like spain, italy and britain has incu...

Big data has been arising a growing interest in both scien- tific and industrial fields for its potential value. However, before employing big data technology into massive appli- cations, a basic but also principle topic should be investigated: security and privacy. One of the biggest concerns of big data is privacy. However, the study on big data privacy is still at a very early stage. Many or...

phytoplasmal big bud is one of the important diseases of tomato (lycopersicon esculentum) in the world. the disease has been reported from iranian provinces of bushehr, isfahan, fars, khorasane razavi and ardabil. during a summer surrvey in 2010, symptoms of big bud disease was observed in tomato fields of dorood area in lorestan province. characteristic symptoms of the disease were small thick...

unemployment among rural youth and agriculture graduates has increased in recent years and has caused a variety of challenges in social and economic fields and having the entrepreneurial spirit could facilitate the solving problem process. therefore, the purpose of this study is to identify factors affecting the development the farmer's entrepreneurial spirit. statistical population of thi...