منابع مشابه
Parthenium: a wide angle view.
Parthenium hysterophorus L. (congress grass, congress weed, carrot weed, wild feverfew, the “Scourge of India”) is an exotic weed that was accidentally introduced in India in 1956 through imported food grains.[1] It has become a common weed causing dermatitis of epidemic proportions.[2] The epithet “congress weed” refers to the US congress (who allocated the shipment for Pune, India).[3] In Pun...
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The basic theoretical ideas of the handbag mechanism for wide-angle exclusive scattering reactions are discussed and, with regard to the present experimental program carried out at JLab, its application to Compton scattering is reviewed in some detail. Results for other wide-angle reactions such as two-photon annihilations into pairs of hadrons or virtual Compton scattering are presented as well.
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Sparse and redundant representations – an emerging and powerful model for signals – suggests that a data source could be described as a linear combination of few atoms from a pre-specified and over-complete dictionary. This model has drawn a considerable attention in the past decade, due to its appealing theoretical foundations, and promising practical results it leads to. Many of the applicati...
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We describe a novel robotic endoscope system. It can be used to observe a wide area without moving or bending the endoscope. The system consists of a laparoscope with zoom facility and two wedge prisms at the tip. This new concept produces excellent characteristics as follows. Firstly, it can change the field of view even in a small space. Secondly, it is safe because it avoids the possibility ...
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The issue of screen size is discussed with respect to the task of navigating in 3D computer graphics environments. Two variables are isolated, the observer’s visual field of view (observer VA) subtended by a screen, and the viewing frustum angle (frustum VA) determined by the computer graphics geometry. It is possible to have these set to be identical, which according to one hypothesis should l...
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ژورنال
عنوان ژورنال: Indian Journal of Dermatology, Venereology and Leprology
سال: 2007
ISSN: 0378-6323
DOI: 10.4103/0378-6323.35732