The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 82
... hertz ( cycles per second ) ; and s = second . The subscript “ NBS ” means " in units as maintained by the U.S. National Bureau of Standards . ” The different methods used for measuring the proton magnetic moi nt in nuclear magnetons ...
... hertz ( cycles per second ) ; and s = second . The subscript “ NBS ” means " in units as maintained by the U.S. National Bureau of Standards . ” The different methods used for measuring the proton magnetic moi nt in nuclear magnetons ...
Page 1125
... hertz ( cycles per second ) —the concha serves as a funnel , directing them into the canal . The canal itself contributes 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 contributes little of acoustic importance apart from a broad resonance centred at 3,800 hertz , which helps to determine the ...
Page 1128
... hertz to an upper frequency of 8,000 or 10,000 hertz . This span includes the three octaves between 500 and 4,000 hertz that are most important for speech . The audiometer consists of an oscillator or signal gen- Compoerator , an ...
... hertz to an upper frequency of 8,000 or 10,000 hertz . This span includes the three octaves between 500 and 4,000 hertz that are most important for speech . The audiometer consists of an oscillator or signal gen- Compoerator , an ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various