نتایج جستجو برای: rapid growth of world population
تعداد نتایج: 21327990 فیلتر نتایج به سال:
Study of distribution of elderly population in Chahar Mahal and Bakhtiari Province from 1966 to 2011
Background and aims: Nowadays, the age structure of Iran is transitioning from youth to elderly. Although, the elderly population are still accounted for a small portion of the population; however, the population growth rate of this age group is growing compared to the growth of the total population. Therefore, understanding of the changes of this population is necessary. This study aimed to id...
Objectives: Ageing and its consequences at the onset of the third millennium is becoming one of the major population-related issues in all countries. Methods & Materials: At present, Iran is undergoing a population transformation from a young age structure to an old age one. Although at the time being the elderly population (60 years and over) is rather small proportion of total population, ...
the cotton bollworm, helicoverpa armigera (hübner), is one of the important polyphagous pests causing serious loss to many economically important crops in iran. the goal of this experiment was to study the age-stage, two-sex life table of h. armigera on different bean cultivars including white kidney bean (cultivars daneshkadeh, pak, and shokufa), red kidney bean (cultivars akhtar, naz, and say...
rapid urbanization and industrialization, population growth and economic growth in developing countries make management of municipal solid waste more complex comparing with developed countries. furthermore, the conventional municipal solid waste management approach often is reductionists, not tailored to handle complexity. therefore, the need to a comprehensive and multi-disciplinary approach r...
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...
critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...
With the problems resulting from the rapid trend of population growth, the development of procedures capable of decreasing the population growth rate, to inhibit and stagnate this condition is a necessity. It is obvios that without the contribution and sense of responsibility of men, population control programs and family planning will be unsuccessful. In the present study, attempts have been m...
The slogan of WHO in 1986 is “healthy life, victory for all”. It shows more confirmation and attention to positive personal and social activities in direction of health maintenance and health promotion. But in the world that anticipating near one billion people added to young and adolescent population up to 2000 and majority of them live in undeveloped countries and don’t access to health facil...
the images of muslims in media, literature and politics have been mostly black and white portrayals of a people alien to modernity, civilization, rationality and pluralism. since the end of the cold war and the onset of deadly terrorist attacks in different areas of the world, especially in the united states, these representations show a palpable difference: muslims are represented not only as ...
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