Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 1
... necessary pressure was reached the aspirator tube was closed , using a screw clip . The pressure was noted at intervals , temperature being kept constant by having the vessel immersed in jar of cold water surrounded by non- conducting ...
... necessary pressure was reached the aspirator tube was closed , using a screw clip . The pressure was noted at intervals , temperature being kept constant by having the vessel immersed in jar of cold water surrounded by non- conducting ...
Strona 8
... necessary to supply about 18 kw . of electrical energy to heat up a cylinder 9 in . in diameter by about 4 ft . long to a temperature of about 450 ° C. He did not think that the experiments of Dr. Barratt proved conclusively the ...
... necessary to supply about 18 kw . of electrical energy to heat up a cylinder 9 in . in diameter by about 4 ft . long to a temperature of about 450 ° C. He did not think that the experiments of Dr. Barratt proved conclusively the ...
Strona 10
... necessary to unify more completely the methods employed and to increase their number . WO2Cl2 + 2C + H2 WOCI4 + C + 2H2 = = W + 2CO + 2HCI , W + CO + 4HCI . The disappearance of the carbon is manifested by a dis- tinct improvement in ...
... necessary to unify more completely the methods employed and to increase their number . WO2Cl2 + 2C + H2 WOCI4 + C + 2H2 = = W + 2CO + 2HCI , W + CO + 4HCI . The disappearance of the carbon is manifested by a dis- tinct improvement in ...
Strona 11
... NECESSARY ? -The very mention of profits month since the Armistice . Exports reached the record figure of 119 millions , an increase of 85'4 per cent over in some quarters nowadays is as efficacious , metaphori- the corresponding month ...
... NECESSARY ? -The very mention of profits month since the Armistice . Exports reached the record figure of 119 millions , an increase of 85'4 per cent over in some quarters nowadays is as efficacious , metaphori- the corresponding month ...
Strona 20
... necessary , and regardless of the emergency nature of any order , every wheel burned in the large kilns must remain there for the full time . After the wheels have been burned , they are sent to machines where they are shaped to exact ...
... necessary , and regardless of the emergency nature of any order , every wheel burned in the large kilns must remain there for the full time . After the wheels have been burned , they are sent to machines where they are shaped to exact ...
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