Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 6
... Heating immediately before use drives from the charcoal any contained air or hydrocar- bons , thus increasing the efficiency . 6. As gas adsorbents the denser charcoals were most efficient . The order of efficiency was found to be ...
... Heating immediately before use drives from the charcoal any contained air or hydrocar- bons , thus increasing the efficiency . 6. As gas adsorbents the denser charcoals were most efficient . The order of efficiency was found to be ...
Strona 7
... heat at constant volume , and there is a distinct parallelism between the coefficient of expansion and the specific heat at variable volume . THE EXAMINATION OF CHINESE CRUDE CAMPHOR . By E. R. DOVEY , A.R.C.Sc. , A.I C. , Government ...
... heat at constant volume , and there is a distinct parallelism between the coefficient of expansion and the specific heat at variable volume . THE EXAMINATION OF CHINESE CRUDE CAMPHOR . By E. R. DOVEY , A.R.C.Sc. , A.I C. , Government ...
Strona 8
... heat that the surrounding pieces of foil were melted into a ball , and the whole reaction bottle had to be quickly cooled . The tetrabromide obtained was introduced into glass bulbs provided with cone - shaped necks and there sealed ...
... heat that the surrounding pieces of foil were melted into a ball , and the whole reaction bottle had to be quickly cooled . The tetrabromide obtained was introduced into glass bulbs provided with cone - shaped necks and there sealed ...
Strona 9
... heat from hot wires , thermometer bulbs , & c . An equation is obtained which does not involve the dimen sions of the bodies and which agrees with the formula of CHEMICAL NOTICES FROM FOREIGN King for fine wires and of Hill for ...
... heat from hot wires , thermometer bulbs , & c . An equation is obtained which does not involve the dimen sions of the bodies and which agrees with the formula of CHEMICAL NOTICES FROM FOREIGN King for fine wires and of Hill for ...
Strona 17
... heat there was also stability under chemical action for most things . There was great hope that many things which had been difficult to prepare with ordinary clay could be prepared in a state of greater purity and more readily when the ...
... heat there was also stability under chemical action for most things . There was great hope that many things which had been difficult to prepare with ordinary clay could be prepared in a state of greater purity and more readily when the ...
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