from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

Background and aims: Occupational accidents have usually associated directly or indirectly with unsafe acts, as well as various personal and occupational factors have a role in the creation of unsafe behaviors. In one hand, personal and occupational characteristics of the employees who experience occupational accidents may differ from the employees who did not experience such events. Methods...

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...

worship is submission and humitility with believe to divinity in fornt of god. in jewish religion ,worship is submission of the god inall the ordes and devosion tohim .worshio is not only so widely in islam and jew and does not include pray and fast and etc but also is every action that human does with divine intention and to content him. worship has huge and excellent rank in qoran and old te...

Introduction: Due to the presence of causes of fire in the operating room,  that these kinds of accidents likely take place in these places. Therefore, it is necessary for the operating room staff, including the anesthesia team and the operating room, to have sufficient information in order to prevent the accident and function properly during the accident. This study aimed to investigate the kn...

Background & Objectives: Considering the lack of adequate basic information on risk factors for road traffic injuries in Iran, a study was conducted to determine the association between potential risk factors and the incidence of injuries in motor vehicle drivers. Methods: We performed a population-based case-control study on Qazvin-Loshan road. Risk factors related to injury incidence were...

a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...