| ultraviolet radiation |
ultraviolet: radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
출처: wordnet.princeton.edu/perl/webwn
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| ultracentrifuge |
The ultracentrifuge is a centrifuge optimized for spinning a rotor at very high speeds, capable of generating acceleration as high as 1,000,000 G (9,800 km/s²) There are two kinds of ultracentrifuges, the preparative and the analytical ultracentrifuge. The second, however, is more theoretically important and we will focus on the discussion of the analytical ultracentrifuge. ...
출처: en.wikipedia.org/wiki/Ultracentrifuge
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| ultrafilter |
In mathematics, especially in order theory, an ultrafilter is a subset of a partially ordered set (a poset) which is maximal among all proper filters. Formally, this states that any filter that properly contains an ultrafilter has to be equal to the whole poset. An important special case of the concept occurs if the considered poset is a Boolean algebra, like in the case of an ultrafilter on a set (defined as a filter of the corresponding powerset). ...
출처: en.wikipedia.org/wiki/Ultrafilter
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| ultra- |
Ultra (sometimes capitalised ULTRA) was the name used by the British for intelligence resulting from decryption of German communications in World War II. The term eventually became the standard designation in both Britain and the United States for all intelligence from high-level cryptanalytic sources. ...
출처: en.wikipedia.org/wiki/Ultra
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| ultra- |
Ultra is Depeche Mode's ninth full-length album, which was released on April 15 1997. The album is the first album after the departure of Alan Wilder, who left to focus on his solo project Recoil. The long time that separates this album from the previous was due to David Gahan's near suicide and recovery from addiction to drugs. These two events caused many to speculate the end of Depeche Mode but this didn't turn out to be the case. ...
출처: en.wikipedia.org/wiki/Ultra_(album)
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