88 resultados para Special Employment Center
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Latest issue consulted: Vol. 19, issue 4 (July/Aug. 2006).
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Mode of access: Internet.
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Includes bibliographical references.
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Shock tubes have been used successfully by a number of investigators to study the biological effects of variations in environmental pressures (1,2,3). Recently an unusually versatile laboratory pressurization source became available with the capability of consistently reproducing a wide variety of pressure-time phenomena of durations equal to and well beyond those associated with the detonation of nuclear devices (4). Thus it became possible to supplement costly full-scale field research in blast biology carried out at the Nevada Test Site (5,6) by using an economical yet realistic laboratory tool. In one exploratory study employing pressure pulses of 5 to 10 sec duration wherein the times to max overpressure and the magnitudes of the overpressures were varied, a relatively high tolerance of biological media to pressures well over 150 psi was demonstrated (7). In contrast, the present paper will describe the relatively high biological susceptibility to long duration overpressures in which the pressure rises occurred in single and double fast-rising steps.
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SDC Human Engineering Project 20-E-4.
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S/N 003-003-02297-7.
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Item 247.
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"The 29th meeting of the MFPG and these proceedings were sponsored by the Center for Materials Science of the National Bureau of Standards ... [et al.]"
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Includes bibliographical references and index.
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"2 August 1957."
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"Office of Governmental and Public Affairs, Special Programs Center"--P. 3.
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Cover title.
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"Serial no. 100-24."
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pt. 1. Food and kindred products; tobacco manufactures.--pt. 2. Textile mill products; apparel and related products; leather and leather goods.--pt. 3. Lumber and wood products; furniture and fixtures.--pt. 4. Pulp, paper, and products; printing and publishing.--pt. 5. Chemical and products: petroleum and coal products; rubber products.--pt. 6. Stone, clay, and glass products; miscellaneous manufactures.--pt. 7. Primary metal industries; fabricated metal products.--pt. 8. Machinery, except electrical; electrical machinery.--pt. 9. Transportation equipment; instruments and related products.
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Mode of access: Internet.