Encyclopedia of Physical Science and Technology, Volume 2Academic Press, 1992 - Physical sciences |
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Page 543
... HEAT REMOVAL In most fermentations the problems of gas transfer are closely related to the problems of heat removal . The more rapid the fermentation the more rapid is heat production . Since the sur- face - to - volume ratio decreases ...
... HEAT REMOVAL In most fermentations the problems of gas transfer are closely related to the problems of heat removal . The more rapid the fermentation the more rapid is heat production . Since the sur- face - to - volume ratio decreases ...
Page 551
... heating and cooling . Long heat - up ( 2-3 hr ) and cool - down ( -1 hr ) periods are undesirable . Activation energies for killing spores are usually about 50 to 100 kcal / g mol while many heat sensitive medium components , such as ...
... heating and cooling . Long heat - up ( 2-3 hr ) and cool - down ( -1 hr ) periods are undesirable . Activation energies for killing spores are usually about 50 to 100 kcal / g mol while many heat sensitive medium components , such as ...
Page 684
... heating of an isotropic petroleum pitch in nitrogen atmosphere to a temperature between 360 and 400 ° C for 12-24 hr . During the heat treatment , under mild agitation , the light hydrocarbons and polycondensation products are vacuum or ...
... heating of an isotropic petroleum pitch in nitrogen atmosphere to a temperature between 360 and 400 ° C for 12-24 hr . During the heat treatment , under mild agitation , the light hydrocarbons and polycondensation products are vacuum or ...
Contents
Guide to Using the Encyclopedia ix Atomic Physics | 339 |
Approximations and Expansions 1 Atomic Spectrometry | 357 |
Archaeological Geology 31 Atomic Spectroscopy | 381 |
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