The New Encyclopædia Britannica, Volume 2Encyclopædia Britannica, 1992 - 32 pages |
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Page 160
... hertz . This result is in close agreement with electrophysiological observations in which it has been found that impulses could be obtained from the auditory nerve of Chrysemys picta for tones between 100 and 1,200 hertz , with highest ...
... hertz . This result is in close agreement with electrophysiological observations in which it has been found that impulses could be obtained from the auditory nerve of Chrysemys picta for tones between 100 and 1,200 hertz , with highest ...
Page 163
... hertz is reached , at which it tends to level off . Beyond 15,000 hertz there are many irregularities but , in general , the sensitivity declines at a rapid rate . The re- sults of similar studies on a specimen of Eptesicus fuscus are ...
... hertz is reached , at which it tends to level off . Beyond 15,000 hertz there are many irregularities but , in general , the sensitivity declines at a rapid rate . The re- sults of similar studies on a specimen of Eptesicus fuscus are ...
Page 209
... hertz ( cycles per second ) -the concha serves as a funnel , directing them into the canal . The canal itself con- tributes little of acoustic importance apart from a broad resonance centred at 3,800 hertz , which helps to determine the ...
... hertz ( cycles per second ) -the concha serves as a funnel , directing them into the canal . The canal itself con- tributes little of acoustic importance apart from a broad resonance centred at 3,800 hertz , which helps to determine the ...
Contents
SAN FRANCISCO | 1 |
SÃO PAULO | 6 |
SCANDINAVIAN LITERATURE | 10 |
Copyright | |
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