Introduction objective and structure of the study Broadband generally refers to a telecommunications connection that is " always on, " as opposed to a " dial-up " connection via the public switched telephone network (PSTN) to activate an Internet connection, and with speed rates higher than the rates obtained with a dial-up modem. The commonly accepted definition of bandwidth rates for broadban...

Human schistosomiasis is one of the most common Neglected Tropical Diseases (NTDs); it is an intravascular parasite caused by the trematode blood fluke (Schistosoma). Most human infections are caused by S. haematobium, S. mansoni, and S. japonicum. An estimated total of 237 people are infected worldwide, and 732 million people are at risk of being infected. In the Middle East and North Africa (...

The present article is a review of a palaeobiogeographic analysis of Jurassic Ostracods from East Africa, India and Madagascar and includes also some general remarks on palaeobiogeography, biodiversity and Ostracod ecology.The palaeobiogeographic study shows the high significance of this microfossil group for the reconstruction of palaeogeographic processes, particularly plate tectonic developm...

AIMS Even though the Middle East and North Africa (MENA) region had the highest comparative prevalence of diabetes in 2012, little is known about the nuances of diabetes risk and capacity to address the burdens. To provide a comprehensive overview, we reviewed the literature on diabetes in the MENA region. METHODS We conducted a systematic search in PubMed between January 1990 and January 201...

BACKGROUND The Middle East and North Africa (MENA) region registers some of the highest rates of hypovitaminosis D worldwide.   AIM We systematically reviewed the prevalence of hypovitaminosis D, rickets and osteomalacia, their predictors and impact on major outcomes, in the region. METHODS Medline, Pubmed and Embase search engines, entering keywords and concepts, combined with individual c...

one of the important issues in the middle east country is trying to establish or revive nuclear program over the past few years. this subject can have peaceful or military dimension & components of power and security can be affected. the regional country insisted on its being non-nuclear by 2006. but from this time, gradually altered the traditional approach of these countries on the nuclear is...

We examine the issue of possible portfolio diversification benefits into seven Middle-Eastern and North African (MENA) stock markets. We take the standpoint of the world investor and we construct portfolios in international and local currencies based on five optimization models and two risk measures. We then compare the portfolio out-of-sample performance based on Sharpe and Sortino ratios thro...

The overall total population of the Arab nations in the world is estimated to be approximately 315 million (estimates; World Almanac, 2004). Arab populations encompass a vast geographical region that extends from Iraq in the east to Morocco in the west. They occupy the whole of Mesopotamia, Middle East, Arabian Gulf, North Africa, as well as some parts of East and West Africa. Arab populations ...

the islamic awakening with changing power’s balance of middle east and north africa, has changed role of regional powers. therefore, geopolitical contest between iran and turkey have been more important. tunisia and egypt as leaders of revolutionary changes, are the most important. in this research we tried to compare iran and turkey's role in relation to these two countries. the research’...