نتایج جستجو برای: unique historical evolution

تعداد نتایج: 686906  

Journal: :پژوهش های علوم تاریخی 0
محمدعلی رنجبر استادیار گروه تاریخ دانشگاه شیراز آمنه ابراهیمی دانشجوی دکتری رشتة تاریخ ایران بعد از اسلام دانشگاه شیراز

historical memory or collective memory, in studies on cultural history and history of ideas, is often neglected. it is sufficient, for example, look at the names and titles to learn of the common view of a nation. this is true about alexander’s image in our culture. in our culture and some others, alexander is a myth and sometimes a unique hero. shahnameh can demonstrate this historical memory ...

2016
Raluca Vodă Leonardo Dapporto Vlad Dincă Tim G. Shreeve Mourad Khaldi Ghania Barech Khellaf Rebbas Paul Sammut Stefano Scalercio Paul D. N. Hebert Roger Vila

The mechanisms shaping island biotas are not yet well understood mostly because of a lack of studies comparing eco-evolutionary fingerprints over entire taxonomic groups. Here, we linked community structure (richness, frequency and nestedness) and genetic differentiation (based on mitochondrial DNA) in order to compare insular butterfly communities occurring over a key intercontinental area in ...

Today, in different sciences extended studies have been done about fluctuations' values, during the history of civilization's evolution and decay. These studies are fulfilling for explaining the last work and the new artistic ideals. Even though there is a variety of researches but in our country it's not current. Studying the history without influencing deep inner value layers - as is formal t...

Journal: Mycologia Iranica 2017

Studies on the evolutionary history of ascomycetes in terms of time scale will help to understand historical patterns that shape their biodiversity. Until now most of dating studies of ascomycetes have focused on major events in fungal evolution but not on divergence events within smaller groups of fungi e.g. within Sordariomycetes. We used molecular dating to estimate the time of separation of...

رضایی‌زاده, الهام, وحدت‌طلب, مسعود,

Using domes to cover large gaps has a long history in Iran. Lack of solid and long woods, which indeed are the main elements of the flat coverage, has introduced vaults and domes as the popular options for coverage purposes. In Iranian architecture, domes enjoy a considerable position. The Iranian Muslim architect has used his talent and taste, as best as possible, to build mosques, as not only...

2013
Stephen S. H. Huang Zhen Lin David Banner Alberto J. León Stéphane G. Paquette Barry Rubin Salvatore Rubino Yi Guan David J. Kelvin Alyson A. Kelvin

Evolution of H1N1 influenza A outbreaks of the past 100 years is interesting and significantly complex and details of H1N1 genetic drift remains unknown. Here we investigated the clinical characteristics and immune cross-reactivity of significant historical H1N1 strains. We infected ferrets with H1N1 strains from 1943, 1947, 1977, 1986, 1999, and 2009 and showed each produced a unique clinical ...

Journal: :Evolution; international journal of organic evolution 2007
Elizabeth P Derryberry

Mating signals act as behavioral barriers to gene flow in many animal taxa, yet little is known about how signal evolution within populations contributes to the formation of these barriers. Although variation in mating signals among populations is known to affect mating behavior, there is no direct evidence that the evolution of mating signals changes signal effectiveness within a natural popul...

2012
Emanuele Strano Vincenzo Nicosia Vito Latora Sergio Porta Marc Barthélemy

Urbanisation is a fundamental phenomenon whose quantitative characterisation is still inadequate. We report here the empirical analysis of a unique data set regarding almost 200 years of evolution of the road network in a large area located north of Milan (Italy). We find that urbanisation is characterised by the homogenisation of cell shapes, and by the stability throughout time of high-centra...

Journal: :Journal of internal medicine 2002
H Kaessmann S Pääbo

When and where did modern humans evolve? How did our ancestors spread over the world? Traditionally, answers to questions such as these have been sought in historical, archaeological, and fossil records. However, increasingly genetic data provide information about the evolution of our species. In this review, we focus on the comparison of the variation in the human gene pool to that of our clos...

2008
CLARK R. CHAPMAN C. R. CHAPMAN

This Chapter introduces the major themes of this book. In many ways, Mercury is an extreme planet, and thus it provides a unique benchmark for testing our theories about the origin and evolution of other (particularly terrestrial) planets. Emphasis is given to synthesizing and critiqueing the book's chapters on the planet's origin, its metal-rich composition, its thermal and geophysical evoluti...

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