نتایج جستجو برای: world distribution

تعداد نتایج: 1017934  

Journal: :Evolution, Medicine, and Public Health 2013

Journal: :رستنیها 0
محمد محمودی محقق بخش گیاه شناسی، مؤسسه تحقیقات جنگل ها و مراتع کشور، تهران ([email protected]) علی اصغر معصومی استاد پژوهش بخش گیاه شناسی، مؤسسه تحقیقات جنگل ها و مراتع کشور، تهران عادل جلیلی استاد پژوهش بخش گیاه شناسی، مؤسسه تحقیقات جنگل ها و مراتع کشور، تهران

the geographic distribution of astragalus l. (fabaceae) was analyzed using a database of 12377 geo-referenced observations. in the old world (including asia, africa and europe) there are ca. 2900 euploid species classified in 166 distinct sections. in this study using geographic information system (gis) by means of diva-gis (ver. 4) distribution map of some more important sections in the old wo...

Journal: رستنیها 2012
A. Jalili A.A. Maassoumi M. Mahmoodi,

The geographic distribution of Astragalus L. (Fabaceae) was analyzed using a database of 12377 geo-referenced observations. In the old world (including Asia, Africa and Europe) there are ca. 2900 euploid species classified in 166 distinct sections. In this study using geographic information system (GIS) by means of DIVA-GIS (ver. 4) distribution map of some more important sections in the old wo...

2001
David Sidman Tom Davidson

As far back as 1994-95, when the advent of the Web led publishers to recognize that at some point they would have to migrate significant amounts of their print content to the online world, two concerns were paramount: the need to protect copyright in the digital environment, and more generally, the need to facilitate interoperability among the many different systems and vendors involved in the ...

Journal: :the international journal of humanities 2012
abbas manoochehri

the purpose of this paper is to apply ibn-khaldun’s dialectic of asabiyya to explain the nature of relationship between war and the world order in the modern era via ‘macro structural change’. it is argued here that these changes in the world order in the modern times have a dialectical relationship with war. here, ibn-khaldun’s approach to historical change is applied for the explication of th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...

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