نتایج جستجو برای: especially in big cities like tehran

تعداد نتایج: 17073907  

In this study, we want to analysis the Urban network and the spatial distribution of  the population in the urban centers of the province during the years 1335 to 1390. Analytic - descriptive method is applied as the chief method in this practical study. The data were collected from the Statistical Yearbooks of Khuzestan. The collected data were analyzed by using software program EXCEL,alo...

2012
Reza Majdzadeh

Review of Iran’s experiences regarding health following Islamic Revolution suggests that two major events influenced on health system structure; establishment of Primary Health Care (PHC) and integration of medical education in former ministry of health and formation of Ministry of Health and Medical Education (MOHME). Both of these important developments began in the first decade after the rev...

Journal: :Journal of Public Health Management and Practice 2015

Journal: :Science China Information Sciences 2015

2008
R. Shad H Ashoori N. Afshari Shahid Rajaee

Air pollution is overflowing in big cities, especially in areas where pollution sources and the human population are concentrated. Economic growth and industrialization caused the increasing emissions of air polluting. Then, the quantities of polluting have increased dramatically; the evaluation of a suitable method for predicting and monitoring the pollution will be very important. To prevent ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1392

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

2009
Björn Johnson

Innovative cities are essential for the economic growth and development of countries. At the same time, however, social and environmental problems related to city growth can be serious threats to the full realisation of the socio-economic contribution that cities can make. In this paper it is argued that the notion of a “system of innovation” is helpful in understanding the factors that shape t...

Journal: :Annals of The Tohoku Geographycal Asocciation 1973

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران 1388

some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...

2017
Alfred Ho

With the growing ease of collecting, transmitting, storing, processing, and analyzing massive amounts of data, Big Data has caught the attention of local officials in recent years. Based on a multi-layered institutional theories and an extensive analysis of the 30 largest cities and 35 selected mid-sized cities in the U.S, this study examines how U.S. cities are using mobile phone apps, sensors...

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