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LCSH Section X X (The letter) BT Boeing airplanes X-ray astronomy BT Alphabet Research aircraft [QB472] X-1 (Bell supersonic plane) X-48A (Research plane) BT Astronomy USE Bell X-1 (Supersonic plane) USE X-48 (Research plane) Space astronomy X-10 Graphite Reactor X-48B (Research plane) X-rays UF Graphite Reactor USE X-48 (Research plane) NT X-ray binaries ORNL Graphite Reactor X-48C (Research plane) X-ray bursts X-10 Reactor USE X-48 (Research plane) X-ray sources, Galactic BT Nuclear reactors—United States X.500 directory standard (Telecommunication) X-ray binaries (Not Subd Geog) X-10 Reactor [TK5105.587] [QB830] USE X-10 Graphite Reactor UF OSI directory (Telecommunication) UF X-ray binary stars X-15 (Rocket aircraft) (Not Subd Geog) BT Electronic mail systems—Standards BT Double stars UF North American X-15 (Rocket aircraft) OSI (Computer network standard) X-ray astronomy BT Astronautics RT Directory services (Computer network X-ray binary stars Manned space flight technology) USE X-ray binaries North American airplanes (Military aircraft) X-cars X-ray burst sources Rocket planes USE General Motors X-cars USE X-ray bursts Winged spacecraft X chromosome X-ray bursters — Sounds UF Chromosome X USE X-ray bursts BT Sounds BT Sex chromosomes X-ray bursts Space flight sounds — Abnormalities (May Subd Geog) UF Burst sources, X-ray X-17 (Ballistic missile) (Not Subd Geog) BT Sex chromosome abnormalities Bursts, X-ray UF Lockheed X-17 (Ballistic missile) NT Adrenomyeloneuropathy Sources of X-ray bursts BT Ballistic missiles X-linked mental retardation X-ray burst sources X-20 (Space glider) (Not Subd Geog) X-country ski trails X-ray bursters UF Dyna-Soar (Space glider) USE Cross-country ski trails BT X-ray astronomy BT Reusable space vehicles X disease in cattle (May Subd Geog) NT Gamma ray bursts X-22 (VTOL airplane) (Not Subd Geog) UF Hyperkeratosis X-ray sources, Galactic BT Vertically rising aircraft BT Cattle—Diseases X-ray contrast media X-31 (Jet fighter plane) (Not Subd Geog) X-ers USE Radiographic contrast media UF X-31A (Jet fighter plane) USE Generation X X-ray crystallography (May Subd Geog) BT Jet fighter planes X-Factor (Fictitious characters) (Not Subd Geog) [QD945] X-31A (Jet fighter plane) X-files fiction (Not Subd Geog) BT Crystallography USE X-31 (Jet fighter plane) BT Science fiction — Computer programs X-32 (Jet fighter plane) (Not Subd Geog) X-Force (Fictitious characters) (Not Subd Geog) — Technique UF Boeing Joint Strike Fighter X generation NT Rietveld method Boeing X-32 (Jet fighter plane) USE Generation X X-ray densitometry in dendrochronology Joint Strike Fighter, Boeing X-Lecia, Stadion (Warsaw, Poland) BT Dendrochronology BT Jet fighter planes USE Dziesięciolecia Stadion (Warsaw, Poland) Radiography Stealth aircraft X-linked mental retardation (May Subd Geog) X-ray densitometry in medicine X-33 (Research plane) (Not Subd Geog) [RC574] BT Radiography, Medical UF Lockheed Martin X-33 (Research plane) UF XLMR (Disease) X-ray diagnosis X-33 Advanced Technology Demonstrator BT Intellectual disability USE Diagnosis, Radioscopic (Research plane) X chromosome—Abnormalities X-ray diffraction imaging (May Subd Geog) BT Launch vehicles (Astronautics) NT Adrenoleukodystrophy UF Diffraction imaging, X-ray Lockheed Martin aircraft Charcot-Marie-Tooth disease Imaging, X-ray diffraction Research aircraft Duchenne muscular dystrophy Topography, X-ray Reusable space vehicles Fragile X syndrome X-ray topography X-33 Advanced Technology Demonstrator (Research Lesch-Nyhan syndrome BT Radiography plane) Lowe's syndrome X-ray diffractometer USE X-33 (Research plane) Norrie's disease UF Diffractometer, X-ray X-34 (Research plane) (Not Subd Geog) Pseudo-pseudohypoparathyroidism BT X-rays—Equipment and supplies UF Orbital Sciences X-34 (Research plane) Rett syndrome — Calibration (May Subd Geog) X-34 Advanced Technology Demonstrator VATER syndrome X-ray emission, Proton-induced (Research plane) X-mas USE Proton-induced X-ray emission X-34 Technology Testbed Demonstrator USE Christmas X-ray emission spectroscopy (Research plane) X-Men (Fictitious characters) (Not Subd Geog) USE X-ray spectroscopy BT Launch vehicles (Astronautics) X-Men (Game) X-ray film-screen systems Orbital Sciences aircraft [GV1469.35.X25] USE Screen-film radiography Research aircraft BT Video games X-ray films Reusable space vehicles X-Men films USE Radiography—Films X-34 Advanced Technology Demonstrator (Research BT Science fiction films X-ray fluorescence analysis plane) X-Men versus Street Fighter (Game) USE X-ray spectroscopy USE X-34 (Research plane) USE X-Men vs. Street Fighter (Game) X-ray holography (May Subd Geog) X-34 Technology Testbed Demonstrator (Research X-Men vs. Street Fighter (Game) UF Microholography plane) [GV1469.35.X] BT Holography USE X-34 (Research plane) UF X-Men versus Street Fighter (Game) X-ray intensifying screens X-35 (Jet fighter plane) BT Video games USE Screen-film radiography USE F-35 (Military aircraft) X Network Filing System (Computer network protocol) X-ray lasers X-43A (Hypersonic plane) (Not Subd Geog) UF XNFS (Computer network protocol) UF Lasers, X-ray UF Boeing X-43A (Hypersonic plane) BT Computer network protocols BT Nuclear-pumped lasers HXRV (Hypersonic plane) X-rated movie theaters X-ray lithography X-43A Hyper-X Research Vehicle USE Adult movie theaters BT Lithography BT Boeing airplanes X-ray absorptiometry, Dual-energy X-rays—Industrial applications Hypersonic planes USE Dual-energy X-ray absorptiometry X-ray micro-computed tomography Research aircraft X-ray absorption fine structure USE Microcomputed tomography Rocket planes UF Fine structure, X-ray absorption X-ray micro-CT X-43A Hyper-X Research Vehicle XAFS (X-ray absorption fine structure) USE Microcomputed tomography USE X-43A (Hypersonic plane) BT Absorption spectra X-ray microanalysis X-48 (Research plane) (Not Subd Geog) X-ray spectroscopy BT Microprobe analysis UF Boeing X-48 (Research plane) NT Extended X-ray absorption fine structure X-ray microcomputed tomography Boeing X-48A (Research plane) X-ray absorption near edge structure USE Microcomputed tomography Boeing X-48B (Research plane) X-ray absorption near edge structure X-ray microCT Boeing X-48C (Research plane) UF Fine structure, Near edge X-ray absorption USE Microcomputed tomography Boeing-Cranfield X-48 (Research plane) Near edge structure, X-ray absorption X-ray microscope Boeing-Cranfield X-48A (Research plane) Near edge X-ray absorption fine structure USE X-ray microscopes Boeing-Cranfield X-48B (Research plane) NEXAFS (Near edge X-ray absorption fine X-ray microscopes (May Subd Geog) Boeing-Cranfield X-48C (Research plane) structure) [QH212.X2] X-48A (Research plane) XANES (X-ray absorption near edge structure) UF X-ray microscope [Former heading] X-48B (Research plane) BT X-ray absorption fine structure BT Microscopes X-48C (Research plane) X-ray analysis, Windowless energy-dispersive USE Windowless energy-dispersive X-ray analysis X-1 USE Windowless energy-dispersive X-ray analysis X-ray microscopy (May Subd Geog) NT Auger effect When this heading is assigned to works on an [QH212.X2] Diagnosis, Fluoroscopic individual family, the appropriate diacritical marks, if any, are included in the heading in the catalog record. BT Microscopy Electron spectroscopy X-ray microtomography Expertising, X-ray Xá Hốc (Vietnamese people) USE Microcomputed tomography Fluoroscopy USE Kháng (Vietnamese people) X-ray mutagenesis Grenz rays Xá Khao (Vietnamese people) BT Mutagenesis N-rays USE Kháng (Vietnamese people) Radiogenetics Solar x-rays Xa La Vang language X-ray optics X-ray astronomy USE Mang language [TA1775] X-ray sources, Galactic Xa language UF Roentgen optics — Apparatus and supplies USE Sedang language BT Physical optics USE X-rays—Equipment and supplies Xa Long Tan, Battle of, Vietnam, 1966 X-ray photoelectron spectroscopy (May Subd Geog) — Diffraction USE Long Tan, Battle of, Vietnam, 1966 UF Electron spectroscopy for chemical analysis [QC482.D5] Xã Mảng (Southeast Asian people) ESCA (Electron spectroscopy for chemical BT Diffraction USE Phunoi (Southeast Asian people) analysis) — Equipment and supplies Xa Mang (Vietnamese people) XPS (X-ray photoelectron spectroscopy) UF X-rays—Apparatus and supplies [Former USE Mang (Vietnamese people) BT Photoelectron spectroscopy heading] Xá phó (Asian people) X-ray photogrammetry NT X-ray diffractometer USE Phula (Asian people) BT Photogrammetry — — Tariff Xá Quãng Lâm (Vietnamese people) Radiography USE Tariff on X-ray equipment and supplies USE Kháng (Vietnamese people) X-ray photography — Industrial applications (May Subd Geog) Xa-tcx-atcu (Wash. : Lake) USE Radiography NT Radiography, Industrial USE Sammamish, Lake (Wash.) X-ray scattering X-ray lithography Xá Tú Lăng (Vietnamese people) USE X-rays—Scattering — Physiological effect (May Subd Geog) USE Kháng (Vietnamese people) X-ray small-angle scattering NT Plants—Effect of X-rays on Xa Xam Khoong (Southeast Asian people) USE Small-angle x-ray scattering — Polarization USE Phunoi (Southeast Asian people) X-ray sources, Galactic (Not Subd Geog) [QC482.P6] Xá Xeng (Southeast Asian people) UF Galactic X-ray sources BT Polarization (Nuclear physics) USE Phunoi (Southeast Asian people) Sources of X-rays, Galactic — Safety measures Xá Xúa (Vietnamese people) BT Galaxies NT Shielding (Radiation) USE Kháng (Vietnamese people) X-ray astronomy — Scattering Xaasonke language X-ray bursts [QC482.S3] USE Kassonke language X-rays UF X-ray scattering Xaayo (African people) NT Cygnus A BT Scattering (Physics) USE Khayo
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