430 resultados para DISTILLATION
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A carrier distillation spectrochemical method has been successfully adapted to direct reading spectrometry. Direct reading techniques have been developed for the rapid analyses of aluminum in plutonium peroxide to demonstrate the capability of direct reading for process impurity control.
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Mode of access: Internet.
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Mode of access: Internet.
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Some reports issued combined.
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In 10 nos. each year, 1907-1909; in 9 nos. each year, 1910-1911: 1. Pulp wood consumption. 2. Lumber, lath and shingles. 3. Slack cooperage stock. 4. Tanbark and tanning extracts. 5. Veneers. 6. Tight cooperage stock. 7. Wood distillation. 8. Cross-ties purchased. 9. Poles purchased. 10. Forest products of the United States.
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Mode of access: Internet.
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"Contract no.14-17-0007-888"--pt. 1, "Contract no.14-17-0007-976"--pt.2
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"Contract FY 81-8/AE-8."
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The letter, p. [2]-4, from the Treasury Dept. Revenue Office is signed by Samuel Smith.
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"List of patents granted by the United States, for improvement in distillation, on stills, and refining of liquors": p. 329-335.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Flavoring is still a difficult problem in the snack food industry because of the high volatility of flavors and their instability under extrusion condition. Although postextrusion added flavor is commonly used, it suffers from numerous drawbacks. Flavor losses at the exit die because flash distillation is a critical issue and can only be minimized by controlling the pressure difference at the end of the barrel and the exit die, which, however, affects other desirable product characteristics. Residence time distribution (RTD), as an important intermediate process variable that among others controls the extent of reactions, can also be a major determinant on flavor retention during extrusion. Encapsulation of flavors is a promising alternative to enhance the retention of preextrusion added flavor during extrusion. The capsules should withstand high temperature and shear conditions in, the extruder barrel. Various encapsulation techniques and their encapsulated flavor characteristics are illustrated.