منابع مشابه
Exploring the reasons for the seasons using Google Earth, 3D models, and plots
Public understanding of climate and climate change is of broad societal importance. However, misconceptions regarding reasons for the seasons abound amongst students, teachers, and the public, many of whom believe that seasonality is caused by large variations in Earth’s distance from the Sun. Misconceptions may be reinforced by textbook illustrations that exaggerate eccentricity or show an inc...
متن کاملA Drug for All Seasons
Fluoroquinolones have become one of the mainstays of antibacterial therapy, regarded as a major antimicrobial class, with efficacy against a wide range of important pathogens. And among the fluoroquinolones, levofloxacin continues to stand out as one, if not the, most important fluoroquinolone. While the history of these agents first started in 1962 with the development of nalidixic acid, it wa...
متن کاملWheat gene for all seasons.
Diverse seasonal flowering behaviors drive global adaption of bread wheat (Triticum aestivum), the major crop grown in temperate zones worldwide. Many wheats are sown in autumn and flower only after experiencing the prolonged cold of winter (vernalization). By delaying flowering until spring, the requirement for vernalization minimizes the risk that frost-sensitive flowers and developing grain ...
متن کاملSubspace Clustering for all Seasons
Subspace clustering is recognized as a more general and difficult task than standard clustering since it requires to identify not only objects sharing similar feature values but also the various subspaces where these similarities appear. Many approaches have been investigated for subspace clustering in the literature using various clustering paradigms. The reader is referred for instance to [5]...
متن کاملA bioethics for all seasons
The last four decades have seen the emergence and flourishing of the field of bioethics and its incorporation into wide-ranging aspects of society, from the clinic or laboratory through to public policy and the media. Yet considerable debate still exists over what bioethics is and how it should be done. In this paper I consider the question of what makes good bioethics. Drawing on historical an...
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ژورنال
عنوان ژورنال: Tobacco Control
سال: 1993
ISSN: 0964-4563
DOI: 10.1136/tc.2.4.334b