Chemistry Acronyms

Alphabetical Listing of Chemistry Acronyms

  • UDF — Unrestricted Dirac-Fock
  • UDI — Utility Data Institute (power Generation)
  • UDMH — Unsymmetrical Dimethyl Hydrazine (Alar Metabolite)
  • UDP — Uridine 5′-diphosphate
  • UDRI — University of Dayton Research Institute
  • UDWA — Unitarized Distorted-wave Approximation
  • UDWBA — Unitarized Disorted Wave Born Approxn. (for Scattering)
  • UEATC — European Union For Technical Agreements In Construction (French; L’Union Europeenne Pour L’Agrement Technique Dans La Construc
  • UEBS — Unitarized Eikonal Born Series (in Electron-atom Scattering)
  • UEGO — Universal Exhaust Gas Oxygen Sensor
  • UEL — Upper Explosive Limit
  • UERPIC — Underground Excavation And Rock Properties Information Center
  • UF — Ultrafiltration (water Treatment)
  • UF — Uncertainty Factor (in Oral RfD)
  • UFC — Uniform Fire Code
  • UFF — Universal Force Field
  • UFFI — Urea-formaldehyde Foam Insulation
  • UFG — Ultrafine Grained
  • UFL — Upper Flammable Limit
  • UFM — Ultrasonic Force Microscopy
  • UFP — Ultrafine Particles
  • UGF — Unitary-group Formulation (in Many-body Quantum Theory)
  • UGLCC — Upper Great Lakes Connecting Channels
  • UHC — Unburned Hydrocarbons
  • UHE — Ultra-high Energy
  • UHF — Ultra-high Frequency
  • UHF — Unrestricted Hartree-Fock
  • UHF-AA — Unrestricted Hartree-Fock (with Spin) Annihilation
  • UHF-CO — Unrestricted Hartree-Fock Crystal Orbital
  • UHFQ — Unrestricted Hartree-Fock With Quartet Annihilation
  • UHFS — Unrestricted Hartree-Fock-slater
  • UHIPI — Ultrahigh Intensity Post-ionization
  • UHMPE — Ultra High Modulus Polyethylene
  • UHMWPE — Ultra High Molecular Weight Polyethylene
  • UHP — Ultra High Purity
  • UHPLC — Ultrahigh-pressure Liquid Chromatography
  • UHT — Ultra High Temperature
  • UHTS — Ultra High-throughput Screening
  • UHV — Ultra High Vacuum
  • UHVEM — Ultra High Voltage Electron Microscopy
  • UIC — Underground Injection Control
  • UIHRS — Upflow Inclined High-rate Settlers
  • UJT — Unijunction Transistor
  • UKAEA — United Kingdom Atomic Energy Authority
  • UKAS — United Kingdom Accreditation Service
  • UKAWRG — United Kingdom Acid Waters Review Group
  • UKB — Unrestricted Kinetic Balance (in Calcns. of Wave Functions And Energies)
  • UKIRT — United Kingdom Infrared Telescope
  • UKMO — United Kingdom Meteorological Office
  • ULDPE — Ultra Low Density Polyethylene
  • ULEV — Ultra Low Emission Vehicle
  • ULF — Ultra Low Frequency
  • ULFM — Unified Ligand Field Model (for Mol. Electronic Energies)
  • ULIRG — Ultraluminous Infrared Galaxy
  • ULPA — Ultra Low Penetration Air
  • ULSI — Ultra-large-scale Integration
  • ULTRA — Underground Leak Transport Assessment Model
  • UMDE — Ultramicrodisk Electrode
  • UMEA — Ultramicroelectrode Array
  • UMER — Ultrasonically Modulated Electron Resonance
  • UMINDO — Spin-unrestricted Modified Intermediate Neglect of Differential Overlap
  • UMIX — User-Manufacturer Information EXchange
  • UMLS — Unified Medical Language System
  • UMNDO — Spin-unrestricted Modified Neglect of Diatomic Overlap
  • UMO — Unmodified Molecular Orbital
  • UMP — Unrestricted Moeller-Plesset
  • UMP — Uridine 5′-phosphate
  • UMP2 — Unrestricted Moeller-Plesset 2nd-order (perturbation Theory)
  • UMP4SDTQ — Unrestricted Moeller-Plesset 4th-order (perturbation Theory With) Single
  • UMTRCA — Uranium Mill Tailings Radiation Control Act
  • UNAMAP — Users’ Network For Applied Modeling of Air Pollution
  • UNCED — United Nations Conference On Environment And Development
  • UNDS — Uniform National Discharge Standards
  • UNECE — United Nations Economic Commission For Europe
  • UNEP — United Nations Environmental Program
  • UNESCO — United Nations Educational
  • UNFCCC — United Nations Framework Convention On Climate Change
  • UNIDO — United Nations Industrial Development Organization
  • UNIFAC — Universal Quasichem. Functional Group Activity Coeffs.
  • UNIRAM — Software For Reliability
  • UNITAR — United Nations Institute For Training And Research
  • UNO — Unrestricted Natural Orbital
  • UNO-CAS — Unrestricted Natural Orbital-complete Active Space
  • UNOS — United Network For Organ Sharing
  • UNS — Unified Numbering System For Metals And Alloys
  • UNSCEAR — United Nations Scientific Committee On The Effects of Atomic Radiation
  • UOFMN — Unified Organically Functionalized Mesoporous Network
  • UOP — Universal Oil Products
  • UOT — Universal Oxidn. Test
  • UOVMO — Unoccupied Valence-type Mol. Orbital
  • UPA — Unitary-pole Approximation
  • UPD — Underpotential Deposition
  • UPES — Ultraviolet Photoelectron Spectroscopy
  • UPF — UV Protection Factor
  • UPOT — Union Pacific Oxidation Test
  • UPS — UV Photoelectron Spectroscopy
  • UPS — Uninterrupted Power Systems (for Computer Networks)
  • UPTF — Upper Plenum Test Facility
  • UPVC — Unplasticized Poly(vinyl Chloride)
  • UPW — Ultrapure Water

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