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| 040 | ⊔ | ⊔ | ‡aTRAAL ‡cTRAAL |
| 049 | ⊔ | ⊔ | ‡aMAIN |
| 086 | 0 | ⊔ | ‡aD 206.18:1017 |
| 100 | 1 | ⊔ | ‡aSchaefer, Hermann J., ‡eauthor. |
| 245 | 1 | 0 | ‡aRadiation monitoring with nuclear emulsions on Project Gemini. ‡nIII, ‡pThe flux of galactic heavy primaries on Gemini VII / ‡cHermann J. Schaefer and Jeremiah J. Sullivan. |
| 264 | ⊔ | 1 | ‡aPensacola, Florida : ‡bNaval Aerospace Medical Institute, Naval Aviation Medical Center, ‡c1967. |
| 300 | ⊔ | ⊔ | ‡a14 pages : ‡billustrations ; ‡c28 cm. |
| 336 | ⊔ | ⊔ | ‡atext ‡btxt ‡2rdacontent |
| 337 | ⊔ | ⊔ | ‡aunmediated ‡bn ‡2rdamedia |
| 338 | ⊔ | ⊔ | ‡avolume ‡bnc ‡2rdacarrier |
| 490 | 0 | ⊔ | ‡aNAMI ; ‡v1017 |
| 500 | ⊔ | ⊔ | ‡a"This work was conducted under contract with the Manned Spacecraft Center, National Aeronautics and Space Administration, Houston, Texas."--title page. |
| 500 | ⊔ | ⊔ | ‡a"Bureau of Medicine and Surgery, MFO 22.03.02-5001.39."--title page. |
| 500 | ⊔ | ⊔ | ‡aJoint report of the Naval Aerospace Medical Institute and the National Aeronautics and Space Administration.--cover. |
| 500 | ⊔ | ⊔ | ‡a"29 September 1967." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references (page 14) |
| 520 | ⊔ | ⊔ | ‡aEarlier evaluations of small nuclear emulsion sheets flown on the astronauts' bodies during the 14-day Gemini VII mission had been limited to grey tracks which allowed grain counting. This report provides data on the population of heavy tracks. By comparing visual appearance of the diameter of the solid silver core and of the delta ray aura with tracks of known Z, tracks of Z> or = 20 were identified and counted. A total of 287 such tracks yielded a mission flux of 38.4 nuclei/sq cm of Z> or = 20, corresponding to a tissue dose of 1.35 millirads. Theoretical assessment of the flux by considering the geomagnetic latitude profile of the mission leads to 74.8 nuclei/sq cm of Z> or = 20. The difference closely matches the expected attenuation due to the inherent shielding of the vehicle and the self-shielding of the astronauts' bodies if one assumes a collision mean free path of 14 g/sq cm for nuclei of Z> or = 20. The results confirm earlier estimates that galactic heavy nuclei contribute less than 5 per cent to the total absorbed dose. (Author). |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 610 | 2 | 0 | ‡aProject Gemini (U.S.) ‡0http://id.loc.gov/authorities/names/n92063769 ‡1http://id.loc.gov/rwo/agents/n92063769 |
| 650 | ⊔ | 0 | ‡aGalactic cosmic rays. ‡0http://id.loc.gov/authorities/subjects/sh85052745 |
| 650 | ⊔ | 0 | ‡aSpace radiobiology. ‡0http://id.loc.gov/authorities/subjects/sh85125951 |
| 700 | 1 | ⊔ | ‡aSullivan, Jeremiah J., ‡eauthor. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bNational Aeronautics and Space Administration. ‡0http://id.loc.gov/authorities/names/n78087581 ‡1http://id.loc.gov/rwo/agents/n78087581 |
| 710 | 2 | ⊔ | ‡aNaval Aerospace Medical Institute (U.S.) ‡0http://id.loc.gov/authorities/names/n79094495 ‡1http://id.loc.gov/rwo/agents/n79094495 |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bNavy Department. ‡bBureau of Medicine and Surgery. ‡0http://id.loc.gov/authorities/names/n50080510 ‡1http://id.loc.gov/rwo/agents/n50080510 |
| 710 | 2 | ⊔ | ‡aManned Spacecraft Center (U.S.) ‡0http://id.loc.gov/authorities/names/n79066216 ‡1http://id.loc.gov/rwo/agents/n79066216 |
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