482 resultados para Pratt
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Mode of access: Internet.
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Mode of access: Internet.
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"First edition."
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Mode of access: Internet.
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A second edition of the Manual was published in Transactions of the institute, v. 9, 1879, p. [319]-345.
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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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Pt. I, read before the Society Dec. 4, 1901; Pt. II, read Dec. 18, 1916.
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Includes appendices.
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"UC-41 Health and Safety ; TID-4500 (13th Ed., Suppl.)."
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"September 15, 1960."
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"Contract AT(11-1)-229."
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This report consists of the analytical procedures modified or developed at Pratt & Whitney Aircraft, CANEL, for the determination of alloying constituents and impurities in columbium and its alloys. Included are spectrophotometric methods for chromium, columbium, iron, molybdenum, tungsten, nickel, nitrogen and titanium; volumetric methods for chromium, vanadium and zirconium; emission and X-ray spectrographic methods for various alloying elements; a spectrographic method for zirconium and trace impurities and miscellaneous methods for aluminum, carbon, oxygen and hydrogen.
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"Contract AT(11-1)-229."