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  • decay
  • Some of these naturally occurring radioisotopes (primary parents of series) have half-lives (time in which one-half of the atoms decay) greater than 108 years, and therefore have not had time to disappear. (persianblog.ir)
  • Tritium
  • It has been proposed heretofore to incorporate radioisotopes into the structure of synthetic resins, and articles containing tritium or carbon 14 incorporated into the structure of synthetic resins or plastics have been produced. (google.com)
  • uses
  • The solution [Peter] came up with still uses the barium check source, but replaces the large photodiode with multiple PIN photodiodes. (hackaday.com)
  • They also find particular utility in connection with medical uses of radioisotopes. (google.com)
  • source
  • The open source computed tomography (CT) scanner that I put together last year was a lot of fun to design, having many atypical design problems in it, from the mechanical design of the rotary gantry to pairing an appropriate radioisotope source with a modified extra-sensitive radiation sensor. (tricorderproject.org)
  • Pragmatically, as an open source project, using readily available radioisotope check sources is also much more repeatable than found radiography parts. (tricorderproject.org)
  • Small
  • You drink a liquid (barium), which coats the esophagus , stomach, and small intestine and shows up on X-ray. (webmd.com)
  • Radioisotopes are produced by irradiation of the elements with high-energy particles (protons, deuterons) in accelerators and in the high-intensity neutron fluxes of relatively small research-type reactors. (persianblog.ir)
  • study
  • The purpose of this study is to determine whether Barium or BariumFerumoxsil is better for fecal tagging in MR colonography. (bioportfolio.com)
  • Issues
  • There are several engineering issues to be solved in preparing the targets, so barium was used as a safe surrogate to work out the details. (urotoday.com)