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XP (Disease) -- See Xeroderma pigmentosum


  1
XPages.   4
XPath 2.0 : XSLT 2.0 and XPath 2.0 : programmer's reference / Michael Kay  2008 1
XPath (Computer program language)   7
Xpert Clinic : Pulse : quality control at expert clinic (B) / Jente de Vries, Lisanne van Zwol, Lieke Ruigrok, Paolo Perego  2013 1
Xpertrans-C&C BPO -- Case studies : Escalation in global outsourcing projects : the Xpertrans-C&C BPO case / Dorottya Kovasznai, Leslie Willcocks  2012 1
Information storage and retrieval systems -- xPictures : Digitizing historical pictorial collections for the Internet / by Stephen E. Ostrow  1998 1
 

XPmas -- See Christmas


  1
 

Xpress -- See Avid Xpress


  1
 

XPS (X-ray photoelectron spectroscopy) -- See X-ray photoelectron spectroscopy


  1
XQuery (Computer program language) : XQuery for humanists / Clifford B. Anderson and Joseph C. Wicentowski  2020 1
 

Xray -- See X-Rays


Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source
  1
 

Xray Computed Tomography -- See Tomography, X-Ray Computed


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

Xray 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
 

Xray 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
 

Xray Diffraction -- 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
 

Xray 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
 

Xray 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
 

Xray Emission 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
 

Xray 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
 

Xray 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
 

Xray Photoelectron Spectroscopy -- See Photoelectron Spectroscopy


The study of the energy of electrons ejected from matter by the photoelectric effect, i.e., as a direct result of absorption of energy from electromagnetic radiation. As the energies of the electrons are characteristic of a specific element, the measurement of the energy of these electrons is a technique used to determine the chemical composition of surfaces
  1
 

Xray Tomography -- See Tomography, X-Ray


Tomography using x-ray transmission
  1
 

Xrays -- See X-Rays


Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source
  1
 

XSCID -- See X-Linked Combined Immunodeficiency Diseases


Forms of combined immunodeficiency caused by mutations in the gene for INTERLEUKIN RECEPTOR COMMON GAMMA SUBUNIT. Both severe and non-severe subtypes of the disease have been identified
  1
XSL.   3
XSL (Computer program language) : XSL companion, the / Bradley, Neil  2000 1
XSL (Document markup language)   4
 

XSL Transformations (Computer program language) -- See XSLT (Computer program language)


  1
XSLT 2.0 : XSLT 2.0 and XPath 2.0 : programmer's reference / Michael Kay  2008 1
XSLT (Computer program language)   22
 

Xtemass -- See Christmas


  1
Mental Disorders -- xTherapy : Mental health / edited by Nicholas M. Keks and Graham D. Burrows  1998 1
 

!Xũ (African people) -- See !Kung (African people)


  1
Xu, Anhua : Ann Hui's Song of the exile / Audrey Yue  2010 1
Xu, Bing, 1955- : The enduring passion for ink : a series on contemporary ink painters / produced and directed by Britta Erickson  2016 1
Xu, Bing, 1955- -- Congresses : Xu Bing : beyond the Book from the Sky / Sarah E. Fraser, Yu-Chieh Li, editors  2020 1
Xu, Bing, 1955- -- Criticism and interpretation   2
 

Xu, Boxu, 1908-1980 -- See Xu, Xu, 1908-1980


  1
 

Xu, Chanhui, 1873-1935 -- See Xu, Zihua, 1873-1935


  1
 

Xu, Cunzhai, 1503-1583 -- See Xu, Jie, 1503-1583


  1
Xu, Gan, 171-218 -- Criticism and interpretation : Name and actuality in early Chinese thought / John Makeham  1994 1
Xu, Guangping, 1898-1968. -- Correspondence.   2
Xu, Hongzu, 1586-1641 -- Diaries : Xu Xiake (1587-1641) : the art of travel writing / Julian Ward  2001 1
Xu, Hongzu, 1586-1641 -- Travel -- China : Xu Xiake (1587-1641) : the art of travel writing / Julian Ward  2001 1
 

Xu, Jiannan, 1795-1873 -- See Xu, Jiyu, 1795-1873


  1
 

Xu, Jichen, 1873-1935 -- See Xu, Zihua, 1873-1935


  1
Xu, Jie, 1503-1583. : A political life in Ming China : a grand secretary and his times / John W. Dardess  2013 1
 

Xu, Ke, 1950- -- See Tsui, Hark, 1950-


  1
 

!Xũ (!Kung) language -- See Ju/'hoan language


  1
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