The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 133
... plant tissues that flourished several hundred mil- lion years ago . Apparently the plants partially decayed and then were covered , preserved , and ultimately compacted by the other sediments that were deposited upon them . Although ...
... plant tissues that flourished several hundred mil- lion years ago . Apparently the plants partially decayed and then were covered , preserved , and ultimately compacted by the other sediments that were deposited upon them . Although ...
Page 134
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 遊 plants ) were in part retained in the plant debris . Along with the wind- and water - borne impuri- ties , they remained to become the ash that is left when coal burns ...
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 遊 plants ) were in part retained in the plant debris . Along with the wind- and water - borne impuri- ties , they remained to become the ash that is left when coal burns ...
Page 143
... plant for studying the Hygas process was put in operation in Chicago , Ill . This plant could produce 1.5 million cubic feet ( 42,000 cu meters ) of SNG per day from 75 tons of coal per day . In 1973 , it became the first plant in the ...
... plant for studying the Hygas process was put in operation in Chicago , Ill . This plant could produce 1.5 million cubic feet ( 42,000 cu meters ) of SNG per day from 75 tons of coal per day . In 1973 , it became the first plant in the ...
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Bibliographic information
| Title | The Encyclopedia Americana, Volume 7 The Encyclopedia Americana, ISBN 0717201155, 9780717201150 |
| Publisher | Grolier, 1985 |
| ISBN | 0717201163, 9780717201167 |
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