Introduction: Different approaches had identified different explanations about the causes mental diseases incidence. The biological and psychological approaches believe that it is a physiological stressful conditions or childhood experiences. Whereas, the sociological schools believe that the main factor of these diseases are unequal social structures, social roles, absence of social suppo...

Introduction: Different approaches had identified different explanations about the causes mental diseases incidence. The biological and psychological approaches believe that it is a physiological stressful conditions or childhood experiences. Whereas, the sociological schools believe that the main factor of these diseases are unequal social structures, social roles, absence of social suppo...

Addicts to alcohol and other substances changing the mood and behavior attempt to stop their addiction and avoid its relapse because they suffer mental and physical problems, they are under the pressure of family members, employer and other individuals who influence over their life as well as negative effects of drug addiction on their performance in family, work and social relations. Since dru...

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

  Introduction:   The purpose of this study was to assess the amount of compatibility of organizational properties and principles in Zanjan Univsersity of Medical Sciences with the established standards from both the staff and managers’ point of view. Peter Senge Assessment Characteristics of Learning Organization (personal mastery, shared vision, mental models, team learning and system approac...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...