Preserving energy is a very critical issue in mobile ad-hoc sensor networks (MASNETs) because sensor nodes have a severe resource constraints due to their lack of processing power and limited in power supply. Since the communication is the most energy consuming activities in MASNETs, the power use for transmission or reception of packet should be managed as much as possible. One way to reduce e...

purpose: the aim of this research was to investigate the relationship between family–work conflict with mental health and marital conflicts of working women in tehran. methodology: for this purpose a descriptive research methods of correlation type was selected. 135 married women working in the telecommunications staff in tehran were selected by random cluster sampling method meier work-family ...

introduction: needle stick injuries (nsi) are major occupational hazards for health care workers. objectives: this study aimed to determine the epidemiology of needle sticks and sharp injuries among nurses of an iranian teaching hospital. materials and methods: this descriptive cross-sectional study was conducted in 2009 on 328 nurses in a health center in tehran. stratified random samples were...

the purpose of this study was to describe the influence of organizational variables on hospital staff nurses' job performance as reported by staff nurses in two cities in turkey. hospital ownership status, employment status were examined for their effect on this influence.the reported influence of organizational variables on job performance was measured by a questionnaire developed for this stu...

background nowadays task sharing is a way to optimize utilization of human resources for health. this study was designed to assess the effect of task sharing, mutually between midwives and family health workforces (fhws), on the number of needed staff across the iranian health posts.   methods the workload and required number of midwives and fhws in a health post were calculated and compared in...

background and purpose: the movement of spiritual leadership is a special kind of service-centered leadership which looks forward to progress and staff control. job involvement also emphasizes timely attendance of staff, feeling successful at work, and sense of optimism and success about the future of the organization. therefore, this study investigated the relation between spiritual leadership...

background: pet/ct imaging using [18f]-fdg is utilized in clinical oncology for tumor detecting, staging and responding to therapy procedures. essential consideration must be taken for radiation staff due to high gamma radiation in pet/ct and cyclotron center. the aim of this study was to assess the staff exposure regarding whole body and organ dose and to evaluate environment dose in pet/ct an...

job satisfaction of nurses working in hospitals in zahedan purgaz a , nastiezaie n , hezare mogadam m received: 15 april, 2010 accepted: 27july, 2010 abstract background & aims: one of the most important elements of any organization especially health organizations is human resources. job satisfaction leads to being interested or disinterested. the present study aimed to determine the job satisf...