The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 177
... methods . Most folds and faults in sublation of liquid or gas in rocks originally containing wa- surface rocks are not apparent at the ground surface . ter , there will always be some water left in the reservoir . Seismic methods that ...
... methods . Most folds and faults in sublation of liquid or gas in rocks originally containing wa- surface rocks are not apparent at the ground surface . ter , there will always be some water left in the reservoir . Seismic methods that ...
Page 179
... methods ( like a seesaw ) on the surface that operates the pump on have been tried in efforts to achieve even better oil recovthe bottom of the production string . A chain of solid ery . One such method uses a quantity of fluid , such ...
... methods ( like a seesaw ) on the surface that operates the pump on have been tried in efforts to achieve even better oil recovthe bottom of the production string . A chain of solid ery . One such method uses a quantity of fluid , such ...
Page 1075
... methods . The methods can be and often are combined . RELIEF PROCESSES In relief processes , the negative , or nonprinting part of the block or plate , is either cut or etched away , leaving the design standing in relief . Or , instead ...
... methods . The methods can be and often are combined . RELIEF PROCESSES In relief processes , the negative , or nonprinting part of the block or plate , is either cut or etched away , leaving the design standing in relief . Or , instead ...
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