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  • 1
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    Simplified manual guidance technique for lunar orbit establishment (1965)
    In:  CASI
    Details
    Publication Date: 2004-10-01
    Keywords: GENERAL
    Type: Conf. on Langley Res. Related to Apollo Mission; p 119-124
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Actions for productivity improvement in crew training (1985)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: Improvement of the productivity of astronaut crew instructors in the Space Shuttle program and beyond is proposed. It is suggested that instructor certification plans should be established to shorten the time required for trainers to develop their skills and improve their ability to convey those skills. Members of the training cadre should be thoroughly cross trained in their task. This provides better understanding of the overall task and greater flexibility in instructor utilization. Improved facility access will give instructors the benefit of practical application experience. Former crews should be integrated into the training of upcoming crews to bridge some of the gap between simulated conditions and the real world. The information contained in lengthy and complex training manuals can be presented more clearly and efficiently as computer lessons. The illustration, animation and interactive capabilities of the computer combine an effective means of explanation.
    Keywords: ADMINISTRATION AND MANAGEMENT
    Type: NASA. Johnson (Lyndon B.) Space Center R and D Productivity: New Challenges for the US Space Program; p 425-436
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Simulation of a landing system for an advanced Apollo-type spacecraft using an all-flexible parawing (1967)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Keywords: RESEARCH AND SUPPORT FACILITIES (AIR)
    Type: Inter-Agency Flexible Wing Technology Meeting; 25 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Energy and width measurements of the pionic 2p-1s transition in super 23 Na. (1968)
    In:  Other Sources
    Details
    Publication Date: 2011-08-12
    Description: Pionic 2p-1s X ray transition energy and natural linewidth and muonic 2p-1s X ray transition energy measurements for Na 23
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Requirements and test results for the qualification of thermal control coatings (1988)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Paint type coatings are often used as engineering materials in critical satellite temperature control applications. The functional features of coatings used for temperature control purposes must remain stable throughout the satellite manufacturing process and the satellite mission. The selection of a particular coating depends on matching coating characteristics to mission requirements. The use of paint coatings on satellites, although having an extensive history, requires that the paint be qualified to each application on an individual basis. Thus, the qualification process through testing serves to ensure that paint coatings as engineering materials will fulfill design requirements.
    Keywords: NONMETALLIC MATERIALS
    Type: 15th Space Simulation Conference: Support the Highway to Space Through Testing; p 419-436
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Atomic oxygen dosimetry measurements made on STS-46 by CONCAP 2 (1995)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: With increasing flight duration and the possibility of a permanent facility in space, long-term monitoring of material degradation due to atomic oxygen is increasing in importance. Reliance on models to determine the fluence of atomic oxygen is not only necessarily complex but also imprecise due to the strong dependence of oxygen concentration on day/night, latitude and solar activity. Mass-spectroscopy, the traditional method for determining the gas phase species densities at low pressure, is not only expensive but is limited in the area that it can monitor. Our group has developed a simple and inexpensive dosimeter to measure the atomic oxygen fluence via the change in resistance as the sensor element is gradually oxidized. The sensors consisted of thin-film circuit elements deposited on a suitable substrate. Four-point resistance measurements were used to monitor the change in resistance. Results obtained using silver and carbon dosimeters flown on STS-46 (CONCAP 2-01) will be discussed.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: NASA. Langley Research Center, LDEF: 69 Months in Space. Third Post-Retrieval Symposium, Part 3; p 957-970
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    The challenging scales of the bird: Shuttle tile structural integrity (1985)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The principal design issues, tests, and analyses required to solve the tile integrity problem on the space shuttle orbiters are addressed. Proof testing of installed tiles is discussed along with an airflow test of special tiles. Orbiter windshield tiles are considered in terms of changes necessary to ensure acceptable margins of safety for flight.
    Keywords: SPACE TRANSPORTATION
    Type: Space Shuttle Tech. Conf., Pt. 1; p 403-413
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    3d leading to 2p pionic transition in Ni super 58 and Ni super 60 (1969)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Pionic transition in Ni isotopes to measure nuclear interaction effects, observing level shift and broadening
    Keywords: PHYSICS, ATOMIC, MOLECULAR, AND NUCLEAR
    Type: ; ADEMIE DES SCIENCES
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    CRRES combined radiation and release effects satellite program (1995)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The various regions of the magnetosphere-ionosphere system are coupled by flows of charged particle beams and electromagnetic waves. This coupling gives rise to processes that affect both technical and non-technical aspects of life on Earth. The CRRES Program sponsored experiments which were designed to produce controlled and known input to the space environment and the effects were measured with arrays of diagnostic instruments. Large amounts of material were used to modify and perturb the environment in a controlled manner, and response to this was studied. The CRRES and PEGSAT satellites were dual-mission spacecraft with a NASA mission to perform active chemical-release experiments, grouped into categories of tracer, modification, and simulation experiments. Two sounding rocket chemical release campaigns completed the study.
    Keywords: GEOPHYSICS
    Type: NASA-TM-108494 , NAS 1.15:108494
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Phased Array Transmit Antenna for a Satellite (1999)
    In:  Other Sources
    Details
    Publication Date: 2018-06-02
    Description: Active phased array antennas with electronically scanned beams offer advantages over high gain parabolic dish antennas currently used on spacecraft. Benefits include the elimination of deployable structures, no moving parts, and no torque disturbances that moving antennas impart to the spacecraft. The latter results in the conservation of spacecraft power, and the ability to take precision optical data while transmitting data. Such an antenna has been built under a contract from NASA Goddard Space Flight Center for the New Millennium Program EO- 1 satellite where it will act as the primary highspeed scientific data communication link. The antenna operates at X-band, has an integral controller and power conditioner, communicates with the spacecraft over a 1773 optical data bus, and is space qualified for low earth orbit (705 Km altitude). The nominal mission length is one year, and the operational requirement is for one 10 minute transmission a day over Spitsbergen, Norway. Details of the antenna and its performance will be described in the following paper.
    Keywords: Communications and Radar
    Type: IEEE Antennas and Propagation Society International Symposium, Volume 1; 150-153; IEEE-Catalog-99CH37010-Vol-1
    Format: text
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    NASA TECHNICAL REPORTS
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