Ureilites as the Moderate-SiO2 Residue of Basaltic Melt Removal from a Diverse Aggregate of SiO2-Rich Chondritic Parent Materials
Ureilites: Pigeonite Thermometry and the Unimportance of Pressure-buffered Smelting During Evolution as Asteroidal Mantle Restites
Ureilites; To Which Terrestrial Rock Type Do They Match?
Urey Prize Lecture. Io's Atmosphere: Not Yet Understood
Urey prize lecture: Planetary evolution and the origin of life
Urgency/Emergency Health Processes' Modelling: A Case Study
Urkreep: the Last Dregs of the Lunar Magma Ocean
Urologic robots and future directions
Uronic and other organic acids in Baltic Sea and Black Sea sediments
US and European Technology Roadmap for a Mid-infrared Space Interferometer
US in-space electric propulsion experiments
US VAO Facility for Rapid Transients
US/CIS integrated NTRE
US/CIS integrated NTRE concept
Usability Meets Instant Gratification on the Semantic Web
Usability testing: a review of some methodological and technical aspects of the method
Usage Bibliometrics
Usage Des Mesures Pour La Génération Des Règles d'Associations Cycliques
Usage Impact Factor: the effects of sample characteristics on usage-based impact metrics
Usage of Porous Al2O3 Layers for RH Sensing