Subselenean tunneler melting head design: A preliminary study [PDF]
The placement of base facilities in subsurface tunnels created as a result of subsurface mining is described as an alternative to the establishing of a base on the lunar surface. Placement of the base facilities and operations in subselenean tunnels will
Engblom, Bill +4 more
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A Study on the Microstructure and Properties of CoCr Alloy Deposited Via Arc Deposition on a Single-Crystal Alloy. [PDF]
Huang S +7 more
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Challenges in the development of the orbiter atmosphere revitalization subsystem [PDF]
The space shuttle orbiter atmospheric revitalization subsystem provides thermal and contaminant control as well as total- and oxygen partial-pressure control of the environment within the orbiter crew cabin.
Decrisantis, A. +6 more
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Advancement and emerging challenges in electric-field assisted manufacturing: a review. [PDF]
Kamal SM +4 more
europepmc +1 more source
Properties data for opening the Galileo's partially unfurled main antenna [PDF]
An investigation was conducted into the friction and wear behavior of both unlubricated and dry-film-lubricated (Tiolube 460) titanium alloy (Ti-6Al-4V) in contact with an uncoated high-nickel-content superalloy (Inconel 718) both in vacuum and in air ...
Miyoshi, Kazuhisa, Pepper, Stephen V.
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A time-dependent reliability model for spatial intermittent motion mechanisms via constant-amplitude alternating fatigue load equivalent method. [PDF]
Cheng P, Zhang T, Zhu Y.
europepmc +1 more source
Small business innovation research. Abstracts of completed 1987 phase 1 projects [PDF]
Non-proprietary summaries of Phase 1 Small Business Innovation Research (SBIR) projects supported by NASA in the 1987 program year are given. Work in the areas of aeronautical propulsion, aerodynamics, acoustics, aircraft systems, materials and ...
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Beyond the Material: Engineering Sustainable Soft Robots and Electronics. [PDF]
Hartmann F, Kaltenbrunner M.
europepmc +1 more source
NASA Tech Briefs Index, 1977, volume 2, numbers 1-4 [PDF]
Announcements of new technology derived from the research and development activities of NASA are presented. Abstracts, and indexes for subject, personal author, originating center, and Tech Brief number are presented for ...
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