与 «SHADOW BANDS»相关的英语书籍
在以下的参考文献中发现
shadow bands的用法。与
shadow bands相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Totality: Eclipses of the Sun
Photographing Shadow Bands by Laurence A. Marschall Visual observations of
shadow bands are interesting and fun, but the most useful observations from a
scientific standpoint are those using photography or videotape. The blotchy ...
Mark Littmann, Fred Espenak, Ken Willcox, 2008
2
Methods in Nucleic Acids Research
Dark shadow bands occur infrequently and may become more of a problem with
long exposure times. Keeping exposure times short often makes autoradiographs
easier to read. The finer bands obtained with short exposures allow more ...
Gregory W. Warr, James D. Karam, Lee Chao, 1990
3
Total Solar Eclipses and How to Observe Them
However, you should definitely try to spot the shadow bands. I have heard
shadow bands described as elusive phenomena, but if you were in the Libyan
Desert on 29 March 2006 you would definitely not have described them as
elusive then.
4
Electromagnetic Wave Propagation Through Random Media
Application: Solar Eclipse Shadow Bands. 3.7.1. Introduction. During the few
minutes just preceding and just following the occtu-rence of totality in solar
eclipses, faint shadowy patterns have sometimes been seen to appear on the
ground ...
5
The Cambridge Eclipse Photography Guide: How and Where to ...
Beginning about a minute before totality, and continuing until totality actually
begins, the ground is covered with fast-moving parallel shadow bands a few
centimeters wide, which reappear for an equal length of time at the end of totality.
Jay M. Pasachoff, Fred Espenak, 1993
6
David Levy's Guide to Eclipses, Transits, and Occultations
By far the best display of shadow bands I have ever seen was during the
November 23, 2003 eclipse in Antarctica. From my own observing log, session
13680S: “At about 7 minutes before totality I discovered faint shadow bands in
the sunlit ...
7
Historic Bridges: Evaluation, Preservation, and Management
These.protrusions. provided.uniformly.wide.and.dark.shadow.bands.on.the.
fascias.below.the.courses.. Thirdly,.the.upper.edge.of.the.courses.were.provided.
with.narrow.copings.to.produce. narrow.shadow.bands.at.the.bottom.of.the.
copings.
A dozen stories tell of a precocious young girl, a retired policeman, caddies, an old man's dogs, pen pals, and childhood memories
9
Seeing Dark Things: The Philosophy of Shadows
When only a sliver of light remains, the scintillations form shadow bands. The
bands move across the ground at jogging speed. The contrast is low. This makes
them hard to pho— tograph. The eye works better than the camera for this kind of
...
10
Astrophotography for the Amateur
5.14 Shadow bands and other phenomena There are also interesting things to
see on the ground. Beginning about a minute before totality, and continuing until
totality actually begins, the ground is covered with fast-moving parallel shadow ...
Michael A. Covington, 1999
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Reports from March 20th's Total Solar Eclipse
We saw shadow bands on ingress and egress, for about 15 seconds at each contact. "Temperatures fell from –16° to –22°C, according to one measurement. «Sky & Telescope, 三月 15»
Before A Solar Eclipse, The Whole World Goes Wavy
Descriptions of shadow bands go way back, and there are a fair amount of drawings of them, but they are notoriously hard to study. They occur briefly, during a ... «io9, 三月 15»
Top tips for total solar eclipse pictures by amateur astronomer Len …
In the last moments before totality, the very thin crescent of the sun may cast shadow bands which are like waves of light about 10-20cm apart (caused by the ... «NEWS.com.au, 十一月 12»
