The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 24
Page 45
... hertz in three others . Frogs , which are of special interest because they first live in the water as tadpoles and ... hertz . In the treefrog , these same responses have been found in a range that extended from 50 to 3,000 hertz , with ...
... hertz in three others . Frogs , which are of special interest because they first live in the water as tadpoles and ... hertz . In the treefrog , these same responses have been found in a range that extended from 50 to 3,000 hertz , with ...
Page 50
... hertz . Yet , although the seal has made an ad- justment for hearing in water , it has not sacrificed the quality of its aerial hearing , which remains at an ex- cellent level , especially for one frequency around 2,000 hertz and ...
... hertz . Yet , although the seal has made an ad- justment for hearing in water , it has not sacrificed the quality of its aerial hearing , which remains at an ex- cellent level , especially for one frequency around 2,000 hertz and ...
Page 51
... 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 results 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 results of similar studies on a specimen of Eptesicus fuscus are ...
Other editions - View all
Common terms and phrases
19th century acoustic African agricultural America Angola animals architecture Asian Bolivia Brazil British Buddha Buddhist Burma Burmese Cambodia Cape carved central centre Chinese classical coast Colombia colonial court culture dance drama early east eastern economic European example figures forest frequency groups hertz Hindu images important India Indonesia industrial influence instruments Javanese Khmer king kingdom labour land language literature major ment metres mountain movement Mughal Muslim nāga northern organization painting Pāli pattern percent performance period Peru plays poets political population Portuguese produced rāga Rāmāyaṇa range recording region religious republics river Sanskrit sculpture shrines social sonata sonata form sound waves South Africa South Indian Southeast Asia southern sovereignty Soviet śrutis structure stupa style Tamil temple territory Thailand theatre tion tones trade tradition tribes ture urban Urdu velocity vibrations Vietnam village wayang West Western yakṣa