منابع مشابه
Experimental Methods of Antiquities Dating
Archaeological researches have been started as an interdisciplinary approach in the field of cultural heritage sciences (especially archaeology as an original field) for more than half a century. It has gathered together the researchers of different fields of human sciences, basic sciences, engineering and art according to their interests in archaeological findings and curiosity in solving huma...
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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...
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In this paper, we empirically investigate the relationship between oil price changes and output in a group of oil exporting countries. The dynamics of business cycles in Libya, Saudi Arabia, Nigeria, Kuwait, Venezuela and Qatar are modeled by alternative regime switching models. We show that the extension of uni-variate Markov Switching model in order to include oil revenue improves dating busi...
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I n all areas of scientific inquiry, the ideas that researchers pursue are constrained by the methods available to them. thankfully, new and generative methodological paradigms are frequently born, often directly as a result of scientists’ own ingenuity. two prominent examples in psychology include thurstone’s (1928) insight that attitudes can be measured, a revelation that served as the founda...
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ژورنال
عنوان ژورنال: Nature Biotechnology
سال: 1990
ISSN: 1087-0156,1546-1696
DOI: 10.1038/nbt0490-357a