Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 1
... surface . The increase in pressure would therefore be due to escape of gas from the interior , subsequent decrease being due to renewed surface condensation . In no case was the initial pressure regained , but the results give a good ...
... surface . The increase in pressure would therefore be due to escape of gas from the interior , subsequent decrease being due to renewed surface condensation . In no case was the initial pressure regained , but the results give a good ...
Strona 3
... surface of the liquid , gradually changing to deep yellow , indicates presence of petroleum spirit . If a few drops of the distillate are added to water , a brilliant in- terference ring of optical waves is produced on the surface of ...
... surface of the liquid , gradually changing to deep yellow , indicates presence of petroleum spirit . If a few drops of the distillate are added to water , a brilliant in- terference ring of optical waves is produced on the surface of ...
Strona 8
... surface was determined from the equivalent mass of steam condensed . This was done with the surface ( a ) “ bright , " ( b ) " dead - black . " The relative amounts of radiation alone from these two surfaces were then found with the aid ...
... surface was determined from the equivalent mass of steam condensed . This was done with the surface ( a ) “ bright , " ( b ) " dead - black . " The relative amounts of radiation alone from these two surfaces were then found with the aid ...
Strona 10
deposit was simply due to an imperfect surface on the metal , the authors tried the very simple mechanical means and very effective method of producing this im- perfection , that of spraying the surface with sand . The first results ...
deposit was simply due to an imperfect surface on the metal , the authors tried the very simple mechanical means and very effective method of producing this im- perfection , that of spraying the surface with sand . The first results ...
Strona 21
... surface ground with alundum grinding wheels ; steel car - wheel treads and flanges sometimes are ground with alundum wheels , and manganese - steel frogs and ' switches have to be surfaced and fitted with grinding wheels composed of ...
... surface ground with alundum grinding wheels ; steel car - wheel treads and flanges sometimes are ground with alundum wheels , and manganese - steel frogs and ' switches have to be surfaced and fitted with grinding wheels composed of ...
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