Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 2
... interesting property of solid boron is its extra- ordinary rise in electric conductivity with slight increase in temperature . A piece of fused boron measured by Dr. Weintraub , which at the room temperature ( 27 ° C. ) had a resistance ...
... interesting property of solid boron is its extra- ordinary rise in electric conductivity with slight increase in temperature . A piece of fused boron measured by Dr. Weintraub , which at the room temperature ( 27 ° C. ) had a resistance ...
Strona 13
... interesting material . . . The entire subject is of the profoundest interest , and an excellent pur- pose has been served by the publication of these papers in a single volume . " - The Eagle ( Brooklyn , N.Y. ) . " Sir William Crookes ...
... interesting material . . . The entire subject is of the profoundest interest , and an excellent pur- pose has been served by the publication of these papers in a single volume . " - The Eagle ( Brooklyn , N.Y. ) . " Sir William Crookes ...
Strona 23
... interesting point was brought out in connection with the measurements of relative penetrability , namely , that the penetration of the rays from an X - ray bulb was much more of the order of penetration of the B - rays than of that of ...
... interesting point was brought out in connection with the measurements of relative penetrability , namely , that the penetration of the rays from an X - ray bulb was much more of the order of penetration of the B - rays than of that of ...
Strona 24
... interesting material .. The entire subject is of the profoundest interest , and an excellent pur- pose has been served by the publication of these papers in a single volume . " - The Eagle ( Brooklyn , N.Y. ) . " Sir William Crookes ...
... interesting material .. The entire subject is of the profoundest interest , and an excellent pur- pose has been served by the publication of these papers in a single volume . " - The Eagle ( Brooklyn , N.Y. ) . " Sir William Crookes ...
Strona 29
... interesting alloy of cobalt and production ; and passing over iron , copper , lead , and zinc , chromium has just been described by Elwood Haynes in whose values may be said to be well fixed by occurrence the October number of the ...
... interesting alloy of cobalt and production ; and passing over iron , copper , lead , and zinc , chromium has just been described by Elwood Haynes in whose values may be said to be well fixed by occurrence the October number of the ...
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