Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 212
... contained no less than 22.3 per cent . of hydrogen . The chromosphere of the sun consists of incandescent hydrogen ... contain unsaturated link- ages . The experimental methods of effect- ing reduction in the laboratory are as numerous ...
... contained no less than 22.3 per cent . of hydrogen . The chromosphere of the sun consists of incandescent hydrogen ... contain unsaturated link- ages . The experimental methods of effect- ing reduction in the laboratory are as numerous ...
Strona 218
... contained entirely in the ceiling . In case the ceiling area should not be sufficient , the upper portion of the walls may be treated also . It is not ad- visable to apply acoustic treatment where it is likely to be damaged by persons ...
... contained entirely in the ceiling . In case the ceiling area should not be sufficient , the upper portion of the walls may be treated also . It is not ad- visable to apply acoustic treatment where it is likely to be damaged by persons ...
Strona 219
... contained about 10,000 biblio- graphies classified under 2,400 headings . The First Supplement ( No. 71 ) covered the period 1924-1928 and contained about 4,000 bibliographies under 1,050 headings . The Second Supplement ( No. 86 ) ...
... contained about 10,000 biblio- graphies classified under 2,400 headings . The First Supplement ( No. 71 ) covered the period 1924-1928 and contained about 4,000 bibliographies under 1,050 headings . The Second Supplement ( No. 86 ) ...
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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