منابع مشابه
Simon A . Levin Stephen R . Carpenter
Edited by Simon A. Levin Stephen R. Carpenter, H. Charles J. Godfray, Ann P. Kinzig, Michel Loreau, Jonathan B. Losos, Brian Walker & David S. Wilcove: The Princeton Guide to Ecology is published by Princeton University Press and copyrighted, © 2009, by Princeton University Press. All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (incl...
متن کاملStephen H Bryant and Stephen F Altschul
The past two years have seen the rapid development of new recognition methods for protein structure prediction. These algorithms ’thread’ the sequence of one protein through the known structure of another, looking for an alignment that corresponds to an energetically favorable model structure. Because they are based on energy calculation, rather than evolutionary distance, these methods extend ...
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Thanks to the development of the concept of metadiscourse, it is now widely acknowledged that academic/scientific writing is not only concerned with communicating purely propositional meanings: what is communicated through academic/scientific communication is seen to be intertwined with the negotiation of social and interpersonal meanings. While a large number of so called metadiscoursal resour...
متن کاملStephen Castles
International migration is an important factor in social, cultural and political change in East Asian. The paper discusses both emigration and immigration countries, using the Philippines as an example for the former, and Japan and Malaysia for the latter. It is argued that population mobility is an important element of the cross-border flows and transnational networks that constitute globaliza...
متن کامل. R A ] 1 0 Ju n 20 05 Biquaternion ( complexified quaternion ) roots of - 1 Stephen
The roots of -1 in the set of biquaternions (quaternions with complex components, or complex numbers with quaternion real and imaginary parts) are studied and it is shown that there is an infinite number of non-trivial complexified quaternion roots (and two degenerate solutions which are the complex imaginary operator and the set of unit pure real quaternions). The non-trivial roots are shown t...
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ژورنال
عنوان ژورنال: International Journal of Molecular Sciences
سال: 2002
ISSN: 1422-0067
DOI: 10.3390/i3010002