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X Ray Crystallography -- See Crystallography, X-Ray


The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) 		  1
X-ray crystallography.   67
X-ray crystallography -- Congresses : Biomedical applications of synchrotron radiation / edited by Emilio Burattini and by Antonella Balerna  1996 1
X-ray crystallography -- History : The man in the monkeynut coat : William Astbury and the forgotten road to the double-helix / Kersten T. Hall  2014 1
X-ray crystallography -- Periodicals   3
 

X-ray crystallography Technique -- See Also the narrower term Rietveld method


  1
X-ray crystallography -- Technique.   6
 

X Ray, CT -- See Tomography, X-Ray Computed


Tomography using x-ray transmission and a computer algorithm to reconstruct the image 		  1
 

X-Ray CT Scan -- See Tomography, X-Ray Computed


Tomography using x-ray transmission and a computer algorithm to reconstruct the image 		  1
 

X-Ray CT Scanner -- See Tomography Scanners, X-Ray Computed


X-ray image-detecting devices that make a focused image of body structures lying in a predetermined plane from which more complex images are computed 		  1
 

X-Ray CT Scanners -- See Tomography Scanners, X-Ray Computed


X-ray image-detecting devices that make a focused image of body structures lying in a predetermined plane from which more complex images are computed 		  1
 

X-Ray CT Scans -- See Tomography, X-Ray Computed


Tomography using x-ray transmission and a computer algorithm to reconstruct the image 		  1
 

X-Ray Densitometry -- See Absorptiometry, Photon


A noninvasive method for assessing BODY COMPOSITION. It is based on the differential absorption of X-RAYS (or GAMMA RAYS) by different tissues such as bone, fat and other soft tissues. The source of (X-ray or gamma-ray) photon beam is generated either from radioisotopes such as GADOLINIUM 153, IODINE 125, or Americanium 241 which emit GAMMA RAYS in the appropriate range; or from an X-ray tube which produces X-RAYS in the desired range. It is primarily used for quantitating BONE MINERAL CONTENT, especially for the diagnosis of OSTEOPOROSIS, and also in measuring BONE MINERALIZATION 		  1
 

X-Ray Department -- See Radiology Department, Hospital


Hospital department which is responsible for the administration and provision of x-ray diagnostic and therapeutic services 		  1
 

X-Ray Departments -- See Radiology Department, Hospital


Hospital department which is responsible for the administration and provision of x-ray diagnostic and therapeutic services 		  1
 

X-ray diagnosis -- See Diagnosis, Radioscopic



--subdivision Radiography under individual organs and regions of the body, e.g. Heart--Radiography 		  1
 

X-Ray, Diagnostic -- See Radiography


Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film) 		  1
X-Ray Diffraction   27
X-ray diffraction imaging.   4
X-Ray Diffraction -- methods.   2
X-ray diffraction -- Methods -- Programmed instruction : X-ray methods / author, Clive Whiston ; editor, F. Elizabeth Prichard on behalf of ACOL  1987 1
 

X-Ray Diffractions -- See X-Ray Diffraction


The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) 		  1
X-ray diffractometer.   4
X-ray diffractometer -- Materials   2
 

X-ray emission, Proton-induced -- See Proton-induced X-ray emission


  1
 

X-Ray Emission Spectrometry -- See Spectrometry, X-Ray Emission


The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods 		  1
 

X Ray Emission Spectrometry, Electron Microscopic -- See Electron Probe Microanalysis


Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a wavelength characteristic of that element and an intensity related to its concentration. It is performed with an electron microscope fitted with an x-ray spectrometer, in scanning or transmission mode 		  1
 

X Ray Emission Spectrometry, Electron Probe -- See Electron Probe Microanalysis


Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a wavelength characteristic of that element and an intensity related to its concentration. It is performed with an electron microscope fitted with an x-ray spectrometer, in scanning or transmission mode 		  1
  X-Ray Emission Spectroscopy -- 2 Related Subjects   2
X-Ray Film : Radiochromic Film : role and applications in radiation dosimetry / edited by, Indra J. Das  2017 1
 

X-ray fluorescence analysis -- See X-ray spectroscopy


  1
 

X-Ray Fluorescence Spectrometry -- See Spectrometry, X-Ray Emission


The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods 		  1
 

X-Ray Fluorescence Spectroscopies -- See Spectrometry, X-Ray Emission


The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods 		  1
 

X-Ray Fluorescence Spectroscopy -- See Spectrometry, X-Ray Emission


The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with high energy particles such as PROTONS; ELECTRONS; or higher energy X-rays. Identification of ELEMENTS by this technique is based on the specific type of X-rays that are emitted which are characteristic of the specific elements in the material being analyzed. The characteristic X-rays are distinguished and/or quantified by either wavelength dispersive or energy dispersive methods 		  1
 

X-Ray Information System -- See Radiology Information Systems


Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of radiology services and facilities 		  1
 

X-Ray Information Systems -- See Radiology Information Systems


Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of radiology services and facilities 		  1
X-ray lasers.   13
X-ray lasers -- Congresses   7
 

X-Ray Microanalysis -- See Electron Probe Microanalysis


Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a wavelength characteristic of that element and an intensity related to its concentration. It is performed with an electron microscope fitted with an x-ray spectrometer, in scanning or transmission mode 		  1
X-ray microanalysis.   9
 

X-Ray Microanalysis, Electron Microscopic -- See Electron Probe Microanalysis


Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a wavelength characteristic of that element and an intensity related to its concentration. It is performed with an electron microscope fitted with an x-ray spectrometer, in scanning or transmission mode 		  1
 

X-Ray Microanalysis, Electron Probe -- See Electron Probe Microanalysis


Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a wavelength characteristic of that element and an intensity related to its concentration. It is performed with an electron microscope fitted with an x-ray spectrometer, in scanning or transmission mode 		  1
X-ray microanalysis -- Instruments : Laboratory micro-x-ray fluorescence spectroscopy : instrumentation and applications / Michael Haschke  2014 1
X-ray microanalysis -- Laboratory manuals : Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy : a Laboratory Workbook  1990 1
X-ray microscopy.   7
X-ray microscopy -- Congresses : Realization of a new Magnetic Scanning X-ray Microscope and Investigation of Landau Structures under Pulsed Field Excitation  2015 1
X-Ray Microtomography   4
X-Ray Microtomography -- methods   2
 

X-Ray, Nuclear -- See Gamma Rays


Penetrating, high-energy electromagnetic radiation emitted from atomic nuclei during NUCLEAR DECAY. The range of wavelengths of emitted radiation is between 0.1 - 100 pm which overlaps the shorter, more energetic hard X-RAYS wavelengths. The distinction between gamma rays and X-rays is based on their radiation source 		  1
X-ray optics.   10
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