Usage examples (38)

• Chalk River and Petten together normally produce about 70 percent of the world's supply of an isotope called technetium 99, used in 85 percent of diagnostic imaging...
• Together, these two reactors produce about 60 per cent of the world's supply of an isotope called technetium 99, a radioactive substance used in 85 per cent of...
• Scientists from Argentina, Egypt, India and 15 other countries are descending upon the University of Missouri Research Reactor this week to coordinate research and spur...
• Physicians use medical isotopes such as technetium 99 to save lives, but terrorists could use the production byproducts to build crude nuclear weapons.