نتایج جستجو برای: geographical region

تعداد نتایج: 582089  

2006
John Robst Solomon Polachek Yuan-Ching Chang IZA Bonn

Geographic Proximity, Trade and International Conflict/Cooperation This paper examines the interactive effect of distance and trade on international conflict and cooperation. The effect of geographic distance depends on trade, while the effect of trade varies with geographic distance. Trade reduces conflict to a greater extent when dyads are geographically close, but has a greater effect on coo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

Identification of vegetation and study of geographical distribution of plants in each region is the basis of ecological studies and researches in that area. The purpose of this study was to introduce the flora, life form and geographical distribution of plants in the desert area in the southern of Damghan desert. At first, plant species of this region were collected and identified using availab...

2003
Jonathon N. Cummings Sara B. Kiesler

The research enterprise increasingly involves multidisciplinary collaboration, sometimes over geographic distance. Technological advances have made these collaborations possible, and the history of past innovations suggests these collaborations are desirable. Yet multidisciplinary projects can carry high coordination costs. This study investigated how collaborations address disciplinary differe...

2008
Barry R. Chiswick Paul W. Miller

Citizenship in the United States: The Roles of Immigrant Characteristics and Country of Origin This study develops and estimates a model of the naturalization process in the US. The model is based on both the characteristics of immigrants and features of their countries of origin. The empirical analysis is based on the 2000 US Census. Both the characteristics of immigrants and the origin-countr...

Journal: :Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit 2009
M Rezaeian

Recent developments in the geographical sciences and technologies, namely geographical epidemiology, geographical information systems, global positioning systems and spatial data analysis brings about a unique opportunity to investigate the role of "place" in human health in a scientific manner. The aim of the present communication is to open a discussion about the application of these advances...

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