The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 316
... luminescence in crustaceans is unknown , but it might serve for species recognition ; to attract prey ; to escape from predators under cover of the luminous cloud ; to act as countershading , in which case light would have to be ...
... luminescence in crustaceans is unknown , but it might serve for species recognition ; to attract prey ; to escape from predators under cover of the luminous cloud ; to act as countershading , in which case light would have to be ...
Page 510
... luminescence from both chemical reactions and sample grinding may occasionally augment the glow of radiation - induced thermoluminescence . The second assumption is that the laboratory radiation dose simulates the natural dose in all ...
... luminescence from both chemical reactions and sample grinding may occasionally augment the glow of radiation - induced thermoluminescence . The second assumption is that the laboratory radiation dose simulates the natural dose in all ...
Page 545
... luminescent material from glands near the mouth . Pelagic shrimps undergo daily vertical migrations , possibly in response to changes in light intensity and food concentrations . Shrimps living between 200 and 1,200 metres in the sea ...
... luminescent material from glands near the mouth . Pelagic shrimps undergo daily vertical migrations , possibly in response to changes in light intensity and food concentrations . Shrimps living between 200 and 1,200 metres in the sea ...
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