 ... at the switchboard was 6.98 pounds. The calorific value of the peat as used was 10,082 British thermal units per pound. The principal difficulty in the utilization of peat under boilers appears to be the frequency with which it is necessary to fire....  Annual Report - 39 ページFlorida Geological Survey 著 - 1908全文表示 - この書籍について
 | 1906 - 1010 ページ
...horsepower hour at the steam engine was 5.66 pounds, and per electrical horsepower hour at the switch board was 6.98 pounds. The calorific value of the peat as...was kept at work almost constantly during the test. NORTH DAKOTA XO. 1 H. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
 | 1905 - 644 ページ
...thermal unites per pound. The principal difficulty in the utilization of peat under boilers appears in the frequency with which it is necessary to fire....was kept at work almost constantly during the test." IOWA ENGI AMES, IOWA NOVEMBER, 19 "I'M! IOWA ENGINEER A BI-MONTHLY PUBLICATION ISSUED BY THK ENGINEERING... | |
 | Geological Survey (U.S.) - 1906 - 252 ページ
...horsepower hour at the steam engine was 5.66 pounds, and per electrical horsepower hour at the switch board was 6.98 pounds. The calorific value of the peat as...was kept at work almost constantly during the test. NORTH DAKOTA NO. 1 B. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1906 - 992 ページ
...British thermal units per pound. The principal difficulty in the utilization of peat under Ixrilera appears to be the frequency with which it is necessary...was kept at work almost constantly during the test. NORTH DAKOTA NO. 1 B. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
 | Florida Geological Survey - 1908 - 134 ページ
...pounds, and per electrical horsepower huor at the switchboard was 6.98 pounds. The calorific viilue of the peat as used was 10,082 British thermal units...industry. Peat deposits are known to be extensive in this countiy, and with the approach of the exhaustion of coal together with the advance in price as a result... | |
 | 1909 - 1124 ページ
...boilers appears to be the frequency with which it is necessary to fire. This advantage is caused by the lightness of the material and also on account of its rapid combustion. Cost of Drilling for Coal.— During the past few years, coal mine operators have made it a practice... | |
 | 1911 - 634 ページ
...difficulty in the utilization of peat under boilers appears to be the frequency with which it must be fired. On account of the lightness of the material and also...was kept at work almost constantly during the test." IMPROVEMENTS PROBABLE. There are strong probabilities that with more experience with peat fuel, and... | |
 | Florida Geological Survey - 1908 - 136 ページ
...results obtained were exceedingly satisfactory so far as they went. No difficulty was encountered in keeping the boiler up to its rated capacity, and,...in the United States has delayed the development of tb.e peat industry. Peat deposits are known to be extensive in this country, and with the approach... | |
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