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  • Argon
  • The analysis of rare gas (M) diluted CH 2 F 2 plasma using quadrupole mass-spectroscopy (QMS) has shown specific formation of CHF 2 + ion for dilution of krypton (Kr) and CH 2 F + ion for dilution of argon (Ar). (azom.com)
  • Not only can oxygen and hydrogen stable isotopes be measured on waters, but the temperature of recharge can be calculated from the amount of the atmospheric noble gases neon, argon, krypton, and xenon in solution, while residence time can be estimated from the decay of the radioisotopes carbon-14, chlorine-36, and krypton-81 over timescales comparable to the ice core record. (nerc.ac.uk)
  • atom
  • Next, the capsule is irradiated for the optimum time period, determined by the half-life of the desired radioisotope, the absorption cross section of the target atom, and the growth of possible undesired impurities. (persianblog.ir)
  • nuclear
  • Most radioisotopes produced in quantity are made in the nuclear reactor by one of four reactions (Table 1): neutron-gamma, neutron-proton, neutron-alpha, and neutron-fission. (persianblog.ir)
  • Once the fuel elements of a reactor begin to melt, the fuel cladding has been breached, and the nuclear fuel (such as uranium , plutonium , or thorium [n ) and fission products (such as caesium-137 , krypton-85 , or iodine-131 ) within the fuel elements can leach out into the coolant. (wikipedia.org)
  • applications
  • The University of Missouri-Columbia is the only university in the world to have brought three radiopharmaceuticals to market (Ceretec, Quardramet┬« and TheraSpheres┬«), and MURR researchers continue to pursue novel medical and other applications for a range of radioisotopes as well as being the sole provider in the nation for certain key products and services. (missouri.edu)
  • time
  • So I always look at that as the beginning of the radioisotope manufacturing, although at the time they didn't really realize what they were getting into. (oclc.org)