Ultracompact HII Regions: A Molecular Point of View

Ultracool Brown Dwarfs and Massive Planets Around Nearby White Dwarfs

Ultracool companions to the nearest L dwarfs

Ultracool Companions to White Dwarfs

UltraDAS and ING FITS Headers

UltraDAS: the high-performance data acquisition system at the Isaac Newton Group of Telescopes

Ultradeep xenoliths from African kimberlites: Sr and Nd isotopic compositions suggest complex history

Ultrafast Excited-State Dynamics in Model Hexabromoplatinate (iv) and Hexabromoosmiate (iv) Dianions in the Condensed Phase

Ultrafast focal reducer design for ~2-m-class telescopes

Ultrafast Hydration Dynamics and Coupled Water-Protein Fluctuations in Apomyoglobin

Ultrafast Hydrogen Transfer in N, N-Dimethylisopropyl Amine Clusters

Ultrafast Solvation Dynamics of Flavodoxin in Three Oxidation States

Ultrafast Studies of Resonance Energy Transfer in Myoglobin: A-Helix and Local Conformational Fluctuations

Ultrafast waveform compression using a time-domain telescope

Ultrafast X-ray pulses from laser-produced plasmas

Ultrafiltration by a compacted clay membrane--I. Oxygen and hydrogen isotopic fractionation

Ultrafiltration by a compacted clay membrane--II. Sodium ion exclusion at various ionic strengths

Ultrafiltration of fulvic and humic acids, a comparison of stirred cell and hollow fiber techniques

Ultraheavy cosmic ray tracks in meteorites: A reappraisal, based on calibrations with relativistic ions

Ultraheavy cosmic rays