shadow zone


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shadow zone

[′shad·ō ‚zōn]
(acoustics)
A region, usually under water or in the atmosphere, which sound waves will not reach, according to ray acoustics.
(geophysics)
The zone, between 103 and 143° from the epicenter of an earthquake, in which direct seismic waves do not arrive because of refraction and absorption by the earth's core.
References in periodicals archive ?
s) the purpose of this framework agreement is to: - the maintenance, Repair, Or replacement of the 36 so-called shadow zone (nra-zo) subscriber connection nodes built by the vosges county council during a previous digital development plan, In order to ensure the digital access to territories neglected by the investment programs of private operators, - the implementation of a signal reception service.
With the least sacrifice of the artistic, much more of the sensational, Love in a Shadow Zone, as an epistolary novel, portrays characters who seem to be straddling the border between past memories recollected to glue the fragmented vistas of a once-intact national identity and future aspirations summoned to reconstruct that identity in a world governed by asymmetric power relations where images of violence go unchallenged and unchecked by the indifferent world at large.
Earthquake waves entering the core would be refracted in such a way as to be sent beyond the shadow zone.
Fronteer Development Group Incorporated (Fronteer) (TSX: FRG) (NYSE: FRG), an exploration and development company, has announced that new drilling at Long Canyon has increased the Shadow Zone 100 metres to the north.
The UV-functional group and the isocyanate functional group, responsible for the shadow zone curing, are attached to the same polymer molecule.
Project management services for the maintenance and opticalisation an approximate number of 47 NRA Shadow Zone, 2015 to realize at the end of 2017.
Drill results from the new Shadow Zone have returned 7.
Earlier, the WHO said the scale of the world's worst Ebola outbreak had been concealed by families hiding infected loved ones in their homes and the existence of shadow zones that medics cannot enter.
Earlier, state Chief Electoral Officer Sunil Gupta had said all the 10 satellite phone terminals would be set up in shadow zones -- areas that are located beyond mobile network coverage.
Dispatching characters on treks into the id-jungle, journeys through the backwoods of riot, rape, and unrepression, authors from Joseph Conrad to James Dickey have mapped the shadow zones and terra incognita of the psyche.
Vogue magazine famously called her a A1/2 rose in the desert e, while Paris Match proclaimed she was the A1/2 element of light in a country full of shadow zones e.