this study was to determine the health knowledge, attitude, and practice of adolescence girls during puberty among 8th grade students in southern part of tehran in 1996-1997. it also addressed the health needs and therefore the necessary steps to be taken to promote adolescent's health.sample study consisted of 225 students, their mothers, and their teachers. each person was interviewed by a tr...

as, the terrorism, nowadays, is an important and effective matter that affects different problems especially national security, it is tried to study an important aspect of interaction fields between national security and political development in developing countries and iran. an important point in this study is to consider terrorism as an strategic phenomenon that follows the procedures includi...

In recent years, many security threats have entered into the organizations’ information and changed the  organizational performance resulting in their exorbitant costs. This question is of particular importanceabout government agencies that use information and Internet systems. This issue enabled the top managers of organizations to implement a security system and minimize these costs. Using In...

Abstract: Voltage instability is a major threat for security of power systems. Preserving voltage security margin at a certain limit is a vital requirement for today’s power systems. Assessment of voltage security margin is a challenging task demanding sophisticated indices. In this paper, for the purpose of on line voltage security assessment a new index based on the correlation characteristic...

the article examines the relationship between tort damages for personal injury and social security benefits in iranian law with a comparative view on english and french law. amongst four potential policies (cumulation, reduction, election and recoupment), the statutory provisions of iranian law have chosen the latter one. but in practice these texts have paradoxically lead to a fifth excessive ...

one of the important issues in the middle east country is trying to establish or revive nuclear program over the past few years. this subject can have peaceful or military dimension & components of power and security can be affected. the regional country insisted on its being non-nuclear by 2006. but from this time, gradually altered the traditional approach of these countries on the nuclear is...

this study has investigated smallholder farmers’ household food security level in mazandaran province during the two times i.e pre-harvest period and post-harvest period. using krejcie and morgan’s detrmining sample table, 384 farmers selected as a sample. a multi-stage sampling technique was used to select preciously subjects. household food insecurity access scale (hfias) was the main tool fo...