The New Encyclopaedia Britannica, Part 3, Volume 12Encyclopaedia Britannica, 1980 - Encyclopedias and dictionaries |
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Page 245
... pressure , such as dia- mond , can be synthesized only in special high - pressure equipment . Crystallization of some minerals proceeds rapidly only in the presence of a catalyst or flux . Fluxes may operate by producing a low - melting ...
... pressure , such as dia- mond , can be synthesized only in special high - pressure equipment . Crystallization of some minerals proceeds rapidly only in the presence of a catalyst or flux . Fluxes may operate by producing a low - melting ...
Page 859
... pressure and temperature . The amounts of gas accumulated in a reservoir and the recov- erable reserves , as well as outputs , are expressed in stan- dard volumes ( the volume at a temperature of 15 ° C [ 59 ° F ] and a pressure of 750 ...
... pressure and temperature . The amounts of gas accumulated in a reservoir and the recov- erable reserves , as well as outputs , are expressed in stan- dard volumes ( the volume at a temperature of 15 ° C [ 59 ° F ] and a pressure of 750 ...
Page 1038
... pressure increase during emotional states . The various centres also function on an integrated reflex level , as in the control of blood pressure ( see below ) . More- over , as in the case of respiration , which involves skeletal ...
... pressure increase during emotional states . The various centres also function on an integrated reflex level , as in the control of blood pressure ( see below ) . More- over , as in the case of respiration , which involves skeletal ...
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