Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3772Chemical news office., 1932 |
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Strona 51
... coal , fuel oil possesses a range of important advantages . calorific value of fuel oil exceeds that of a good bituminous coal by over 25 per cent . In terms of equivalent heats , therefore , oil occupies less space than coal . Its ash ...
... coal , fuel oil possesses a range of important advantages . calorific value of fuel oil exceeds that of a good bituminous coal by over 25 per cent . In terms of equivalent heats , therefore , oil occupies less space than coal . Its ash ...
Strona 55
... coal as actual or potential sources of revenue , and the oil - producing countries of the world regard their deposits of petroleum in like manner . Coal and petroleum , however , require geological time , amounting perhaps to millions ...
... coal as actual or potential sources of revenue , and the oil - producing countries of the world regard their deposits of petroleum in like manner . Coal and petroleum , however , require geological time , amounting perhaps to millions ...
Strona 56
... coal . For instance , the con- struction of motor cars , compression igni- tion engines , or oil - electric locomotives necessitates the consumption of large quantities of coal . An export of such mechanisms is virtually an export of coal ...
... coal . For instance , the con- struction of motor cars , compression igni- tion engines , or oil - electric locomotives necessitates the consumption of large quantities of coal . An export of such mechanisms is virtually an export of coal ...
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acid action addition advantages ammonia amount apparatus application atom become Britain Buildings carbon Carbon Tetrachloride chemical cleaning coal combustion Commonwealth complete compression ignition engine Conference continued cylinder deposits detonation direction disc economic effect efficiency energy essential fraction fuel fuel oil further give given heat important increase industry interest July lead light lines liquid locomotive London material matter means measure ment method mixture motor movement nature necessary needed nodal circle obtained occur Office operations original Ottawa Ottawa Conference Patent perhaps petrol engine petroleum petroleum industry possible practical present pressure problem progress proportion Published quantities recent refining regard require restrictions scientific ship soap solvents space specimen spirit steam taken takes temperature tion trade transport types utilization various vehicles vibrating virtually volume