Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 215
... cause confusion . Generally speaking , auditoriums are less likely to exhibit troublesome echo when their outlines are rectangular . An instruc- tive example of the trouble that may be caused by curved walls is cited by Watson ' in the ...
... cause confusion . Generally speaking , auditoriums are less likely to exhibit troublesome echo when their outlines are rectangular . An instruc- tive example of the trouble that may be caused by curved walls is cited by Watson ' in the ...
Strona 216
... cause as echo their removal may be brought about by the same treatment . Some care and experience is necessary in ... causing it to interfere with the next . The ideal conditions for intelligibility of sound are two - each syllable ...
... cause as echo their removal may be brought about by the same treatment . Some care and experience is necessary in ... causing it to interfere with the next . The ideal conditions for intelligibility of sound are two - each syllable ...
Strona 223
... causes scattered , softened y - rays to be super- posed on the main beam . On the Derivation of Maxwell's Equations from the Equations of the Quantum Theory . By M. FAHMY . In a theory developed by Flint and Fisher the fundamental ...
... causes scattered , softened y - rays to be super- posed on the main beam . On the Derivation of Maxwell's Equations from the Equations of the Quantum Theory . By M. FAHMY . In a theory developed by Flint and Fisher the fundamental ...
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absorbing absorption acid acoustic activity application Arts Association atom audience auditorium becomes bibliographies British cause ceiling cent Chemical chemistry coefficient complete contained cost cubic desired echo effect electricity electron element example excess existing experiment experimental expressed fact feet floor formation formula give given heat held hydrogen hydrogen ion importance increase industry intensity interest later less light lines London Manufacture March Marks material means measured metals methods million molecules necessary obtained Office optical ordinary organic organisation oxygen Patents plants Plaster possible present produced quantity references reflected reflected sound result reverberation Royal Sabine Science scientific seats Society solid solution sound space speaking specific spectrum square substances TABLE term theory tion total absorption Trade units University usual volume walls Watson weight window