Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 216
... treatment . Some care and experience is necessary in order to locate the particular portion of the room which is ... treated in such a way as to de- crease its power of regular reflection . Sabine mentions a case of a theatre , the ...
... treatment . Some care and experience is necessary in order to locate the particular portion of the room which is ... treated in such a way as to de- crease its power of regular reflection . Sabine mentions a case of a theatre , the ...
Strona 218
... treated also . It is not ad- visable to apply acoustic treatment where it is likely to be damaged by persons passing . In the above example it will be noticed that all of the added absorption was placed in the auditorium and none on the ...
... treated also . It is not ad- visable to apply acoustic treatment where it is likely to be damaged by persons passing . In the above example it will be noticed that all of the added absorption was placed in the auditorium and none on the ...
Strona 224
... Treatment of car- bohydrates . March 8th . 7,118-7,19 . - Dreyfus , H. - Manufacture of aliphatic compounds . March 9th . 7,120 . - 7,121 . - 7,122 . - Dreyfus , H. Manufacture of organic com- pounds . March 9th . Specifications ...
... Treatment of car- bohydrates . March 8th . 7,118-7,19 . - Dreyfus , H. - Manufacture of aliphatic compounds . March 9th . 7,120 . - 7,121 . - 7,122 . - Dreyfus , H. Manufacture of organic com- pounds . March 9th . Specifications ...
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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