We present a pricing scheme for guaranteed service architectures. Under our scheme, the user is charged according to the resources required to guarantee the demanded quality of service level. The network and the user are assumed to form a tra c contract, where the service level and the tra c characteristics are contractually xed. The user's stream is subsequently policed or shaped. The paramete...

Background: Socially damaged women population is reportedly at higher risk for STIs than the general population. The objective of this study was to explore the cause of unprotected sexual relationship among socially damaged women. Materials and Methods: Qualitative method was utilized to determine family's role in HIV/AIDS/STD risk behaviors. Between February to May 2013 two focus groups a...

background: this study is the first research investigating the possible effect of pulsed power signals on the characteristics of cortical bone by comparing the mechanical properties of this type of bone pre and post expose to pulsed power. methods: a positive buck-boost converter was applied to generate adjustable high voltage, high frequency pulses (up to 500 v and 10 khz). the functional beha...

This article discusses some of the findings of a study on street prostitutes in Tehran with a focus on HIV/AIDS risk behaviors. It aims to show the extent of their knowledge and attitude about HIV/AIDS and available services and their behavior.   This is an “extensive” and “cross-sectional” study, in which the target group was questioned about their background and socioeconomic status in additi...

Background:  Pregnancy in a woman's life is a unique experience. But due to high risk pregnancy and the need to rest in bed, the women and her family are faced with different challenges and needs. The inability to manage these needs will result in crisis and understanding the needs of pregnant women during bed rest is essential to provide comprehensive health care for them. So this qualitative ...

Introduction: High risk is a pregnancy case which endangers the life of both mothers as well as fetus and The incidence between 10-30%being. Considering the importance of neonates health, it is decided in this research that , some of health indexes of born neonates from mothers whit high risk pregnancy to be studied. The findings of this plan can be used in programming procedure of pregnancy pe...