power stations produce a range of magnetic fields more than 20 mt which are harmful to those working or living around them. several investigators have reported an increased health risk due to exposure to electric and magnetic fields (emf) at 50 and 60 hz. several studies have been reported especially with increased tumor incidence, effects on reproduction and development, and neural and behavio...

A Unifying Framework for the Convexification of Mixed-Integer Conic Binary Sets The paper “Conic Mixed-Binary Sets: Convex Hull Characterizations and Applications,” by Fatma Kilinc-Karzan, Simge Kucukyavuz, Dabeen Lee, Soroosh Shafieezadeh-Abadeh, develops a unifying framework convexifying mixed-integer conic binary sets. Many applications in machine-learning operations research give rise to in...

printing and copying centers have been implicated as an emission source of pollution, and affecting air quality in closed environments. the aim of this study was to measure the btex compound (benzene, toluene, ethyl benzene, and xylenes), and the intensity of electromagnetic fields and the uva ray in photocopy centers in the hamadan city. this descriptive study was done on 45 printing and copyi...

we need sociology theories, for that understand of sociology and politic problems. french sociologist pierre bourdieu's theory practice and symbolic power are our best resource; for understanding social and political fields. this article reviews the language and symbolic power; indicating its function in social and political fields. we need sociology theories, for that understand of sociol...