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Results for “difference in differences” Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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At least 1,369 records · Page 76NASA NTRS 1966
Difference methods for asymptotic estimates of errors at numerical integration of systems of ordinary differential equations
NASA NTRS 1965
Measurement of second normal stress difference in polymer solutions based on flow in annulus
NASA NTRS 1965
Difference in circulation times between erythrocytes and plasma
NASA NTRS 1965
Extracorporeal determination of difference in mean velocities of red cells and their suspending phase
NASA NTRS 1967
Apparatus for measuring ion cyclotron resonance at difference frequency - nonlinear phenomena in plasma waveguide
NASA NTRS 1967
Two different interpretations of measured dissociation rate constants and effects on coupled vibrational dissociational flows of oxygen over wedge
NASA NTRS 1967
Characteristics of atmospheric refractive index difference
NASA NTRS 1967
Spectral differences of gamma rays during radiation capture of thermal neutrons and of neutrons with reactor spectrum
NASA NTRS 1958
Comparison of flight measured carrier-approach speeds with values predicted by several different criteria for 41 fighter aircraft configurations
NASA NTRS 1967
Centaur propellant utilization difference bridge performance in correcting deviations from desired mass ratio
NASA NTRS 1967
Statistical analysis and physical interpretation of scattering from surfaces with different roughness scales
ELECTROMAGNETIC SCATTERING ↗ NASA NTRS 1967
Exact solutions for vibrations of hollow elastic cylinder bonded to thin casing of different material
NASA NTRS 1967
Iterative interpolation and numerical differentiation using divided differences
NASA NTRS 1966
Gamma function concept for varying difference interval and complex argument
NASA NTRS 1967
Cyclotomic numbers of order 18 with applications to difference sets
NASA NTRS 1967
Color normals differences, discussing classification and correlation methods
NASA NTRS 1967
Amplitude distributions of refractive index differences showing spikes superimposed on variations continuum due to water vapor clustering
NASA NTRS 1967
Respiratory changes in pleural pressures at different sites and body positions in dogs