We are currenly living the age of communications. Information revolution implies efficient and reliable means of communication. Most of the communication and information storage media are not error-free, while the requirements on the digital information often do not tolerate any errors in transmission or storage retrieval. To cope with this contrast, efficient errorcorrecting codes and error-de...

BACKGROUND With improved accessibility and increasing use of magnetic resonance imaging (MRI) to evaluate low back pain, general practitioners are exposed to a set of recommended terminology used among the various specialties involved in lumbar spinal conditions. OBJECTIVE This article aims to illustrate these descriptive terms, the various lumbar spinal pathology and its clinical implication...

in this essay is trying to study the relation between islam and democracy in model of deep democracy and commmitted democracy. thus, i study this relationin on seven factors of concepts of democracy (political or philosophical), awareness from outside, multi approach to democracy, communinty nd self interaction, communiction, situated self and pluralism, that are beyond of current liberal democ...

Background: Hydrocephalus is a common pediatric condition but many neurosurgeons cannot continue to care for patients into adulthood. Although gaps in are thought exist youth transitioning adult care, little known about how patients/caregivers feel the process. This study examined perceptions of adolescents and young adults from at single centre. Methods: We explored with hydrocephalus process ...

The wireless channels are the most important resources in a mobile comuting system. Each communiction session that involes a mobile host requires a channel to be allocated. The possibility of reuse of wireless channels in different cells subject to satisfying the reuse constraint is the main concern for optimizing the channel usage. The channel allocation problem deals with optimization of the ...

To address biodiversity issues in ecology and assess the consequences of ecosystem changes, large quantities of long-term observational data from multiple data sets need to be integrated and characterized in a unified way. During these last decades, functional trait-based approaches have shown great potential to facilitate the understanding and the prediction of ecosystem changes. To promote da...