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Test methods for determining the suitability of metal alloys for u...

By: Stoltzfus, Joel M. ; Gunaji, Mohan V

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Materials are more flammable in oxygen rich environments than in air. When the structural elements of a system containing oxygen ignite and

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Mach 5 electroformed nickel nozzle refurbishment FNAS investigatio...

By: Rood, Robert; Engelhaupt, Darel; Griffith, Charles

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; This task is in support of the Quiet Hypersonic Wind Tunnel effort currently in effect at NASA Langley Research Center, VA. A laminar flow w

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Distributed semantic networks and CLIPS

By: Snyder, James; Rodriguez, Ton

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Semantic networks of frames are commonly used as a method of reasoning in many problems. In most of these applications the semantic network

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Approximate truncated balanced realizations for infinite dimension...

By: Hartley, Tom T. ; Deabreu-Garcia, J. Ale

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; This paper presents an approximate method for obtaining truncated balance realizations of systems represented by non-rational transfer funct

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Low temperature synthesis of CaO-SiO2 glasses having stable liquid...

By: Bansal, Narottam P

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Calcium silicate glass compositions lying within the liquid-liquid immiscibility dome of the phase diagram, which could not have been prepar

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Experimental investigation of average heat-transfer and friction c...

By: Sams, E. W

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents

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SPOCK: A TOOL FOR REAL TIME ARTIFICIAL INTELLIGENCE

By: LACROIX, J. P. ; FAGES, F. ; REPUSSEAU, P; BERTHON, G. A.

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; AIRBORNE EXPERT SYSTEMS MUST TAKE INTO ACCOUNT VERY HARSH REAL TIME CONDITIONS WHICH, WHEN COMBINED WITH THE ENVIRONMENTAL CONDITIONS OF THE

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Gust measurements on Concorde

By: Dieudonne, R

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Scale models of wing, wing and fuselage and complete SST Concorde models have been tested for gust effects on trajectory, velocity and accel

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Radar measurement of soil moisture content

By: Ulaby, F. T

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The effect of soil moisture on the radar backscattering coefficient was investigated by measuring the 4-8 GHz spectral response from two typ

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V/STOL model fan stage rig design report

By: Cheatham, J. G. ; Creason, T. L

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A model single-stage fan with variable inlet guide vanes (VIGV) was designed to demonstrate efficient point operation while providing flow a

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Investigation of the Ignition and Burning of Materials in Space Ca...

By: Lew, H. G

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The ignition of a combustible gas mixture by a hot cylinder under the effect of a gravity field for steady state conditions is examined. For

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NOISE REDUCING METHODS FOR STOL AIRCRAFT APPROACH AND TAKEOFF

By: WEISE, K. ; ANDERS, H

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; NOISE PROPAGATION FROM STOL AIRCRAFT TAKING OFF AND IN THE LANDING APPROACH IS INVESTIGATED ON 3 STOL DESIGNS. IT SHOWS THAT TAKEOFF NOISE C

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Crystal cleaving machine

By: Hallberg, F. C

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A machine is disclosed for cleaving hard crystals. A typical example of which is lithium fluoride, with prcision and uniformity and includes

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The Cb-1Zr Rankine System Corrosion Test Loop

By: Hoffman, E. E. ; Holowach, J

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Cb-1Zr Rankine system corrosion test loop

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DETERMINATION OF THE BOUNDARY CONDITIONS AT THE SURFACE OF BODIES ...

By: SIMBURSKIY, D. F. ; SKRIPKA, A. I; OLEYNIK, A. V.

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A SEMIEMPIRICAL METHOD OF DETERMINING THE LOCAL THERMAL FLUXES AND HEAT TRANSFER COEFFICIENTS FOR TURBINE BLADES AND SIMILAR ELEMENTS IS PRO

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Deep Space Network control room noise and vibration study

By: Rayburn, J. C

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Vibration and noise levels in two of the Deep Space Networks deep space station operations rooms were investigated as a cause of tracking eq

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Estimates of fuel containment in a coaxial flow gas-core nuclear r...

By: Putre, H. A

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Turbulent coaxial flow analysis for predicting fuel mass in reactor cavity

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DIFFUSION WELDING IN AVIATION TECHNOLOGY

By: KARLINSKI, K

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; DIFFUSION WELDING OF SPECIAL HEAT-RESISTANT ALLOYS FOR AEROSPACE APPLICATIONS IS DESCRIBED IN TERMS OF THE MAIN PROCESS PARAMETERS, THE REQU

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Spatial spark jitter measurements of highly charged nuclei for opt...

By: Smoot, G. F. ; Smith, L. H; Buffington, A.

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents

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From hypothesis to fact: The Earth-Mars experiment

By: Kodin, Y. ; Pipko, D

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The problems involved in a descent trajectory on Mars by the U.S.S.R. Mars 6 automatic spacecraft are discussed. Atmospheric conditions and

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