Search Results

Go to search Go to header Go to navigation Go to main content Go to footer

10 | 25 | 50 | 100 items per page

12,541 results

Image

from article Electret

Schematic cross sections of electrets. (a) Solid electret disk metallized on one side with real charges (surface and space charges) and dipolar charges. (b) Cellular electret metallized on both sides with charges of opposite polarities on the upper…

Image

from article Turbulent flow

Two-dimensional image of an axisymmetric water jet, obtained by the laser-induced fluorescence technique. A neodymium:yttrium-aluminum-garnet laser beam, shaped into a sheet of 250-micrometer thickness by using suitable lenses, was directed into a…

Image

from article Turbulent flow

Typical signals of ε′, a component of the turbulent energy dissipation, normalized by its mean value 〈ε′&x3009 x232A;. (a) Signal obtained in a laboratory turbulent boundary layer at a moderate Reynolds number (defined suitably). (b) Signal obtained…

Image

from article Remipedia

Representative Remipedia. (a) Speleonectes lucayensis (after F. R. Schram, Crustacea, Oxford University Press, New York, 1986). (b) Lasionectes entrichoma [after J. Yager and F. R. Schram, Lasionectes entrichoma, new genus, new species (Crustacea:…

Image

from article Nearshore processes

Longshore currents, generated when waves approach the beach at an angle. At Oceanside, California, the longshore current is flowing toward the observer. (Photo courtesy of Department of Engineering, University of California, Berkeley)

Image

from article Nearshore processes

Definition sketches for nearshore circulation cells. (a) Asymmetrical cell for breakers oblique to the shore. (b) Symmetrical cell for breakers parallel to the shore.

Image

from article Nearshore processes

Beach profile, showing characteristic features.

Image

from article Nearshore processes

Effect of headlands on the accretion of beach sand at Point Mugu, California. The point forms a natural obstruction that interrupts the longshore transport of sand, causing accretion and a wide beach to form (foreground). The regularly spaced…

Image

from article Nearshore processes

Sand delta at Rio de la Concepción on the arid coast of the Gulf of California. Such deltas are important sources of sand for beaches. (Courtesy of D. L. Inman)

Image

from article Chemistry