extended abstract 1. introduction changes in recent decades and the rapid procedure of urbanization against village-escape, especially in the third world countries, have had different natures, and have made the rural communities encounter problematic developments in both qualitative and quantitative aspects. in the present study, the surrounding villages have been surveyed, which have immediate...

The growing incidence and transmission of drug resistant HIV-1 strains due to widespread use of antiretroviral therapy (ART) can jeopardize the success of first-line ART. While there is a known moderate prevalence of transmitted drug resistance (TDR) among newly infected Iranians, no data exist about the rate of these primary resistance mutations among the ART-naïve, chronically infected indivi...

The road coloring problem is an interesing problem proposed over 40 years ago by Adler, Goodwyn and Weiss. Hundreds of mathematicians worked on this problem and failed to make the conjecture a theorem. Finally, in 2007, it was proved by a 60-year-old Israeli mathematician, Avraham Trahtman. It turns out the prove was quite simple after Trahtman partitioned the graph into cycles and trees. The d...

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introduction the natural phenomenon events are involved with several natural and unnatural factors that play a specific role in it event. landslides, is example of such natural phenomena that resulted from interaction of various factors. understanding the impact and weight of each factor by mathematical models can be solution for landslide study in term of zonation and extraction. landslides ar...

background & aim : quality of life refers to satisfaction or dissatisfaction with various important life domains. sleep disorder is one of the factors which can influence the quality of life. this study has been conducted in order to investigate the relation between quality of life and sleep quality in the kurdish elderly of saqqez county. methods & materials: this correlational study was condu...

background: kawasaki disease is an acute febrile systemic vasculitis mainly affecting children under 5. its etiology is still unknown. kawasaki disease can only be diagnosed clinically as there exists no specific laboratory test that can tell if someone has it. the cardiac complications are, by far, the most important aspect of the disease. this study reports the signs and the symptoms of patie...