Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3770Chemical news office., 1932 |
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Strona 28
... example , in the case of an enclosed air laver bounded by horizontal surfaces of which the hotter is uppermost . Even for layers open at the edges viscous friction may in extremely thin layers overcome the forces tending to produce ...
... example , in the case of an enclosed air laver bounded by horizontal surfaces of which the hotter is uppermost . Even for layers open at the edges viscous friction may in extremely thin layers overcome the forces tending to produce ...
Strona 32
... example the boric anhydride is contained in an externally heated graphite crucible at 870 C .; in a second example the temperature is 930 C. Specifications 194,719 and 279 070 , [ both in Class 2 ( iii ) , Dyes & c . ] ' are referred to ...
... example the boric anhydride is contained in an externally heated graphite crucible at 870 C .; in a second example the temperature is 930 C. Specifications 194,719 and 279 070 , [ both in Class 2 ( iii ) , Dyes & c . ] ' are referred to ...
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