SEARCH · Search NASA
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
First-order density matrix corresponding to nondegenerate eigenstate be N-representable for time-reversal invariant Hamiltonian and quantum- mechanical system of N identical fermions
Representation of spinors in n-dimensional space by complex and real systems of tensors
Unitary representations of U-2,2 and massless fields
Method of sum representations applied to numerical solution of biharmonic problems dealing with rectangles
Modified potential energy mass representations for frequency prediction
Solution of biharmonic problem for wide class of regions by method of summary representations
Analytic representation of nonelastic cross sections and particle emission spectra from nucleon-nucleus collisions in 25 to 400MeV energy range
Integral representation theorems and weak compactness for bounded linear transformations of Banach and other spaces
Indentation direction parameter for hardness anisotropy representation of single crystal on stereographic triangle
Algorithms for dichotomous representation of macrocircuits, considering computer programs and establishment of flow graphs
Maclaurin series expansion representation of generalized heat equation
Algorithms for dichotomous representation of macrocircuits, considering computer programs and establishment of flow graphs
Generalized Kepler approximation and iteration procedure corrections for spacecraft trajectory and velocity coordinates representation
Optimum representation of signal with limited spectrum truncated by Kotelnikov series
Power series representation of partial derivatives required in orbit determination
Representations for solutions of linear functional differential equations
Least squares representation of inelastic cross sections and particle emission spectra from nucleon-nucleus collisions
Analytical representation of nucleon and pion emission spectra from nucleon-nucleus collisions in energy range 750-2000 MeV