The Usefulness of Multilevel Hash Tables with Multiple Hash Functions in Large Databases
The user interfaces for the NRAO-Green Bank Telescope
The Users Committee - where the grassroots talk.
The using of large ground-based low frequency radio telescopes for outer solar corona diagnostics
The USNO SIM Grid Star Selection Program
The USNO-B1.0 Catalog (Monet+ 2003)
The utilisation of passive water and nutrient support systems in space flight plant cultivation and research
The utility of astrometry as a precursor to direct detection
The Utility of Inquiry-Based Exercises in Mexican Science Classrooms: Reports from a Professional Development Workshop for Science Teachers in Quintana Roo, Mexico
The utility of remotely sensed CO2 concentration data in surface source inversions
The utilization of continuous geomagnetic-field spectra for magnetic-variation sounding
The utilization of regularized coordinates for the differential correction of spacecraft trajectories. Documentation of programs prepared in connection with the study
The UV dayglow 2, Ly-alpha and Ly-beta emissions and the H distribution in the mesosphere and thermosphere
The UV dayglow 3, OI emissions at 989, 1027, 1152, 1304, and 1356A
The UV Sky Surveys: a Road-map for Future UV Missions
The UV Spectrum of an Elliptical Accretion Disk Devoid of Hydrogen
The UV variability of T CR B
The UV-excess Survey of the Northern Galactic Plane
The UV-photometry experiment on the Venera-13 and Venera-14 descent modules
The UVES M Dwarf Planet Search Programme