Search Results for: Computed tomography apparatus
because barite significantly blocks x-ray and gamma-ray emissions, it is used as aggregate in high-density concrete for radiation shielding around x-ray units in hospitals, nuclear power plants, and university nuclear research facilities; ultrapure barite is used as a contrast medium in x-ray and computed
tomography examinations of the gastrointestinal tract us imports: mt ( ) import sources ( – ): china, %; india, %; mexico, %; morocco, %; and other, %. world resources: in the us, identified resources of barite are estimated to be million tons, and undiscovered resources contribute an additional million...
https://www.cia.gov/library/publications/the-world-factbook/appendix/appendix-h.html