Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 213
... space occupied by the generator , the rapid production of hydrogen and the low capital cost of equipment , though the actual cost of generating hydro- gen by it is too high for commercial pur- poses . It is also used in the navy in ...
... space occupied by the generator , the rapid production of hydrogen and the low capital cost of equipment , though the actual cost of generating hydro- gen by it is too high for commercial pur- poses . It is also used in the navy in ...
Strona 218
... space available for acoustic treatment . It should be noted that it is not necessarily the case that materials of the highest coefficient are the most advan- tageous . Where there is space enough to apply the requisite quantity , a ...
... space available for acoustic treatment . It should be noted that it is not necessarily the case that materials of the highest coefficient are the most advan- tageous . Where there is space enough to apply the requisite quantity , a ...
Strona 219
of space available or seating capacity desired . True , modern amplifying practice makes it possible to use a very large audi- torium for speaking , but the present discus- sion is limited to the consideration of natural features and ...
of space available or seating capacity desired . True , modern amplifying practice makes it possible to use a very large audi- torium for speaking , but the present discus- sion is limited to the consideration of natural features and ...
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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