Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 212
... less than 22.3 per cent . of hydrogen . The chromosphere of the sun consists of incandescent hydrogen as shown by the spectroscope : the gas also occurs in stars and nebulæ . As hydrogen is constantly being produced by the decay of ...
... less than 22.3 per cent . of hydrogen . The chromosphere of the sun consists of incandescent hydrogen as shown by the spectroscope : the gas also occurs in stars and nebulæ . As hydrogen is constantly being produced by the decay of ...
Strona 215
... 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 case of the auditorium at the Univer- sity of Illinois ...
... 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 case of the auditorium at the Univer- sity of Illinois ...
Strona 221
... less trouble by application to the Bureau than any obtainable by adver- tising . As The Legal Aid Department remained very active , in spite of the fact that fortunately , there had been no recent court cases . an example of what he ...
... less trouble by application to the Bureau than any obtainable by adver- tising . As The Legal Aid Department remained very active , in spite of the fact that fortunately , there had been no recent court cases . an example of what he ...
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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