We revisit here a landmark five-parameter SIR-type model, which is maybe the simplest example where complete picture of all cases, including non-trivial bistability behavior, may be obtained using simple tools. also generalize it by adding essential vaccination and vaccination-induced death parameters, with aim revealing role its possible failure. The main result Theorem 1, describes stability ...

creutzfeldt-jacob disease is the most common form of prion diseases, which have become public health problems in the last two decades because of the high number of reported cases of mad cow disease in great britain and other countries. creutzfeldt-jacob disease is a fatal situation with known cardinal clinical features including progressive memory loss and myoclonic seizure disorder. in this re...

noise-induced hearing loss, which is one of the 10 leading occupational diseases, is a debilitating and irreversible disease. during the recent 15-years period (1997-2012), several studies have investigated the association between noise, hearing damage and other side effects of noise in iran. the aim of this study was to review systematically the relevant literature related to noise-induced hea...

Mobile technologies and more precisely apps have disrupted technology scenario. Bring your own application (BYOA) is a new trend that has emerged after the “bring your own device” (BYOD) vogue. However, and in spite of its intrinsic benefits, the trend presents also several caveats and Enterprise app stores are seen as a way to tackle these risks. In this paper, authors present ModEAS, a system...

Social reformers such as John Stuart Mill and John Dewey have long expressed concern about a tension between democratic principles and organizational practices that appear undemocratic.' More recently, a substantial body of academic literature advocating changes in organizations to make them more democratic has been produced.2 Change has been advocated on a variety of normative grounds. In a no...

conclusions due to the long exposure to the loud noise during the day, hearing loss in drivers is significant. the left ear displays greater loss than the right ear. therefore, strategies to prevent hearing loss in drivers could include education, lifestyle changes and compliance issues related to hearing health, use of personal protective equipment, conducting periodic examinations and early t...