نتایج جستجو برای: urban population will reach 70 percent in 2050urban areas
تعداد نتایج: 17133563 فیلتر نتایج به سال:
Abstract Background & Aims: In 2006, almost 687,923,000 elderly lived and it is predicted that in 2050 their population will increase to one billion. The increasing number of the elderly leads to an increase in their social issues, rehabilitation, and health-treatment. While the only goal of the health system is not only prolonging life, it is very essential to improve quality of life eithe...
BACKGROUND Each year an estimated 390 million dengue infections occur worldwide. In Malaysia, dengue is a growing public health concern but estimate of its disease burden remains uncertain. We compared the urban-rural difference of dengue seroprevalence and determined age-specific dengue seroprevalence in Malaysia. METHODS We undertook analysis on 11,821 subjects from six seroprevalence surve...
In the recent decades, one of the demographic changes that has been taking place in most of the world countries, including Iran, is the phenomenon of females as a head of household, which has been increasing for various reasons. In 1390, 12.1 percent of Iranian households had a female head, which has been increased to 12.7 percent in 1395. Current research, by using a secondary analysis of cens...
A review of Helicobacter pylori in the Middle East is presented. Prevalence studies have been performed in asymptomatic population groups from Algeria, Israel, Saudi Arabia and Turkey. These showed that the prevalence of H. pylori is similar to that of the developing countries of the world with a high level of infection in childhood (40 to 70 percent), which increases with age to 85 to 90 perce...
extended abstract 1. introduction after industrial revolution, complex economic and technical developments led to wide changes in the size of cities, the proportion of the population in urban areas, and the growth rate of urbanization (johnson, 1998). more than half of the world population currently lives in urban areas and the uncontrolled expansion of cities is becoming a global concern. it i...
Urban versus rural place of residence has proven to be a critical health determinant over time and across countries. Several studies have demonstrated an urban advantage in mortality in China. This variation by place of residence could be a function of differences in characteristics of individuals, differences in urban and rural communities, or a combination of individual and community factors....
For several decades,Iranian cities are experiencing major and fast urban growth. At the top of them is Tehran, Iran’s capital city, with doubled population in 30years from approximately 6 to 12.5 million in 2016. Undoubtedly such a magnificent raise in population has increasedthe need for settlements and the city has to respond to it. Today, Tehran,is the center for such exogenous development w...
Urban poverty is one of the main concerns of the 21st century and fighting against it is at the top of the millennium development goals. This paper has been done aiming to identify and analyze spatially areas of urban poverty. It has been done with quantitative method and survey based on secondary analysis in Tehran Metropolis in a way that calculated items were categorized based on four main f...
Using aerial photograph interpretation of circa 2005 imagery, percent tree canopy and impervious surface cover in the conterminous United States are estimated at 34.2% (standard error (SE) = 0.2%) and 2.4% (SE = 0.1%), respectively. Within urban/community areas, percent tree cover (35.1%, SE = 0.4%) is similar to the national value, but percent impervious cover is significantly higher (17.5%, S...
The purpose of this study is to assess the possibility of generating energy from waste and reducing the consequences of unconventional waste disposal in urban areas of Mashhad. The findings indicate that among five variants under study, variant 5 which allocated the highest energy efficiency, the lowest costs, and the least amount of greenhouse gases to itself was applicable for the city of Mas...
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