The New Encyclopaedia Britannica, Volume 6Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 176
... natural levees that result from overbank discharge and near - channel sediment deposition . If natural levee heights increase with time then water discharges of increasing magnitude will be required to overtop them and continue the ...
... natural levees that result from overbank discharge and near - channel sediment deposition . If natural levee heights increase with time then water discharges of increasing magnitude will be required to overtop them and continue the ...
Page 802
... Natural mercury is a mixture of seven stable isotopes : 196Hg ( 0.15 % ) , 198Hg ( 10.02 % ) , 199Hg ( 16.84 % ) , 200Hg ( 23.13 % ) , 201Hg ( 13.22 % ) , 202Hg ( 29.80 % ) , and 204Hg ( 6.85 % ) . The spectral lines emitted by natural ...
... Natural mercury is a mixture of seven stable isotopes : 196Hg ( 0.15 % ) , 198Hg ( 10.02 % ) , 199Hg ( 16.84 % ) , 200Hg ( 23.13 % ) , 201Hg ( 13.22 % ) , 202Hg ( 29.80 % ) , and 204Hg ( 6.85 % ) . The spectral lines emitted by natural ...
Page 839
... natural gas , as a component of fire- damp in coal mines , and as a product of the anaerobic bacterial decomposition of vegeta- ble matter under water ( hence its alternate name , marsh gas ) . Methane also is produced industrially by ...
... natural gas , as a component of fire- damp in coal mines , and as a product of the anaerobic bacterial decomposition of vegeta- ble matter under water ( hence its alternate name , marsh gas ) . Methane also is produced industrially by ...
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