 | Geological Survey (U.S.) - Geology - 1912 - 760 pages
...the calorific value to individual units is not reliable, hence in the column headed "Calories" the values are given to the nearest five units, and in...thermal units" they are given to the nearest tens, as the value of a British thermal unit is about one-half that of a calorie. Beat •sjmn 3333 KK3S... | |
 | Geological Survey (U.S.) - Geology - 1913 - 420 pages
...places. The determination of the calorific value to individual units is not reliable, and therefore in the column headed "Calories" the heat values are...thermal units" they are given to the nearest tens. Partial analyses of five lignite samples from this field have been published by the North Dakota Geological... | |
 | Geology, Economic - 1913 - 840 pages
...places. The determination of the calorific value to individual units is not reliable, and therefore in the column headed "Calories" the heat values are...thermal units" they are given to the nearest tens. Partial analyses of five lignite samples from this field have been published by the North Dakota Geological... | |
 | Alfred Hulse Brooks - Geology - 1913 - 876 pages
...It is also understood that calorific determinations to individual units are not reliable; therefore, in the column headed "Calories" the heat values are given to the nearest five units, and La the column headed ''British thermal units" they are given to the nearest tens, a British thermal... | |
 | Geology, Economic - 1914 - 602 pages
...nitrogen, and oxygen are given to two decimal places. As the calorific determination to individual units is not reliable, in the column headed "Calories" the..."British thermal units" they are given to the nearest 10 units. Analyses of coal samples from the coal near Wales, Sanpete County, Utah, and adjacent coalfields.... | |
 | Robert Bradford Marshall - Bench-marks - 1914 - 684 pages
...the calorific value to individual units is not reliable, hence in the column headed "Calories" the values are given to the nearest five units, and in...thermal units " they are given to the nearest tens, as the value of a British thermal unit is about one-half that of a calorie. FUTURE DEVELOPMENT. In... | |
 | George Herbert Girty - Paleontology - 1915 - 638 pages
...values are given to the nearest e units, and in the column headed " British thermal units " they •e given to the nearest tens, the value of a British thermal unit bear about one-half that of a calorie. In the table the analyses are given in four forms, marked A,... | |
 | Geological Survey (U.S.) - Geology - 1916 - 210 pages
...decimal place only. In the ultimate analyses the ash, sulphur, hydrogen, carbon, nitrogen, and oxygen arc given to two decimal places. As calorific determinations...British thermal unit being about one-half that of a calorie. -s I ^ " <«. .9 I 1 I 1 .r ;I! f E 1 " § -: aa O eg ; I o 5 § 01 15 * i | $ea !§§! :... | |
 | Marius Robinson Campbell - Coal - 1916 - 462 pages
...the calorific value to individual units is not reliable, hence in the column headed "Calories" the values are given to the nearest five units, and in the column headed " British thermal units" they aro given to the nearest tens, as the value of a British thermal unit is about one-half that of a calorie.... | |
 | Lester Hood Woolsey, Ralph Webster Richards, Charles T. Lupton - Coal mines and mining - 1917 - 322 pages
...It is also understood that calorific determinations to individual units are not reliable. Therefore, in the column headed "Calories," the heat values are..."British thermal units" they are given to the nearest ten (the value of a British thermal unit being about onehalf that of a calorie). The analyses in the... | |
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Calories" the values are given to the nearest five units, and in the column headed "British thermal units... 