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X-Rays

"X-Rays" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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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.


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This graph shows the total number of publications written about "X-Rays" by people in this website by year, and whether "X-Rays" was a major or minor topic of these publications.
Bar chart showing 9 publications over 9 distinct years, with a maximum of 1 publications in 1995 and 2002 and 2006 and 2007 and 2008 and 2009 and 2011 and 2013 and 2017
To see the data from this visualization as text, click here.