Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 2
... coal remaining was of little further use . In one case the charcoal was extracted with hot alcohol , but the process was slow and required a large volume of alcohol . The alcohol was subsequently distilled off from a water - bath , the ...
... coal remaining was of little further use . In one case the charcoal was extracted with hot alcohol , but the process was slow and required a large volume of alcohol . The alcohol was subsequently distilled off from a water - bath , the ...
Strona 6
... Coal - tar dyestuffs and even natural dyes , which , with a few exceptions , are destroyed by the " hot cure , " can be introduced into mixings to be cured by the new process with the production of delicate tints and shades hitherto ...
... Coal - tar dyestuffs and even natural dyes , which , with a few exceptions , are destroyed by the " hot cure , " can be introduced into mixings to be cured by the new process with the production of delicate tints and shades hitherto ...
Strona 9
... coal gas . At atmospheric pressure the finer of the two glowed perceptibly and the other did not . On reducing the pressure it was possible to get the thicker wire glowing while the other was dark . Could any anomalous effects arise ...
... coal gas . At atmospheric pressure the finer of the two glowed perceptibly and the other did not . On reducing the pressure it was possible to get the thicker wire glowing while the other was dark . Could any anomalous effects arise ...
Strona 11
... Coal Measures . The various igneous rocks intruded into them during Paleozoic and Tertiary times are described , and a full discussion given of the fossils of NOTICES . EDITORIAL . - All Literary communications , and CHEMICAL NEWS , II ...
... Coal Measures . The various igneous rocks intruded into them during Paleozoic and Tertiary times are described , and a full discussion given of the fossils of NOTICES . EDITORIAL . - All Literary communications , and CHEMICAL NEWS , II ...
Strona 18
... coal dust and other combustible material in oil , to which the generic name of " colloidal fuel " had been given and it occurred to him that possibly investigation into the time required for the separation might be a useful method of ...
... coal dust and other combustible material in oil , to which the generic name of " colloidal fuel " had been given and it occurred to him that possibly investigation into the time required for the separation might be a useful method of ...
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