نتایج جستجو برای: urban population

تعداد نتایج: 841227  

2017
David Satterthwaite

The main urban issue that sub-Saharan Africa is facing is rapid growth in its urban population without the urban governance structures in place that can meet their responsibilities and manage the change. This has created very large deficits in infrastructure and service provision which exposes much of the urban population to high levels of risk. Without competent, effective and accountable urba...

Journal: :جغرافیا و توسعه فضای شهری 0
براتعلی خاکپور محسن رستگار رضا ویسی راضیه السادات میرجعفری سجاد احمدی

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...

2017
M Helbich V Blüml T de Jong P L Plener M-P Kwan N D Kapusta

BACKGROUND Urban-rural disparities in suicide mortality have received considerable attention. Varying conceptualizations of urbanity may contribute to the conflicting findings. This ecological study on Germany assessed how and to what extent urban-rural suicide associations are affected by 14 different urban-rural indicators. METHODS Indicators were based on continuous or k-means classified p...

2015
Sudhanshu Sanadhya Pankaj Aapaliya Sorabh Jain Nidhi Sharma Garima Choudhary Nirali Dobaria

BACKGROUND Dental diseases negatively influence people's oral health-related quality of life (OHRQoL) and thus their perceived need for dental care. QoL is increasingly acknowledged as a valid, appropriate and significant indicator of service need and intervention outcomes in contemporary public health research and practice. OBJECTIVES (1) To assess the psychometric properties of oral health ...

2010
Boris A. Portnov

The Change of Support Problem (COSP) reflects a possibility that the outcome of an urban analysis may critically depend on the researcher’s choice of territorial units. To verify this assumption, the present study examines the association between population growth and population size of localities, using population growth data for two levels of geographic resolution 4,667 local administrative u...

Journal: :The Yale Journal of Biology and Medicine 1954
S. J. Liao F. P. Berg R. J. Bouchard

Until the past ten years, the spread of infectious hepatitis in civilian populations has not been so extensively analysed as in military groups.6''7 The reports on this disease among civilians have mainly been concerned with outbreaks either in rural districts,4 9 15 or in institutions."2'8 However, an epidemiological review of hepatitis with comparisons of its rural and urban situations in clo...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
A Hernando A Plastino

Orderliness, reflected via mathematical laws, is encountered in different frameworks involving social groups. Here we show that a thermodynamics can be constructed that macroscopically describes urban population flows. Microscopic dynamic equations and simulations with random walkers underlie the macroscopic approach. Our results might be regarded, via suitable analogies, as a step towards buil...

رستگاری, محمد, سرائی, محمدحسین,

During last three decades, because of rapid influx of population into the cities, many problems have been emerged for cities. Thus, it is necessary to plan and present models in order to regulate urban network to reduce and organize emerging problems. Finding factors resulting from these events, presenting solution in order to reduce unfavorably existing situation, and move toward balance in po...

Journal: :BMC Public Health 2008
Giedre Smailyte Juozas Kurtinaitis

BACKGROUND The aim of this study was to describe and to compare the cancer mortality rates in urban and rural residents in Lithuania. METHODS Cancer mortality has been studied using the materials of the Lithuanian cancer registry. For the period 1993-2004 age-standardized urban and rural population mortality rates (World standard) were calculated for all malignant neoplasm's and for stomach, ...

Journal: :Journal of Urban Health: Bulletin of the New York Academy of Medicine 2002

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