Ultra slow EB melting to reduce reactor cladding
Ultrapure zirconium-tin liner material
Unitary structure of tag gas capsule and end cap of nuclear fuel
Universal fuel assembly construction for a nuclear reactor
Upper end fitting
Upper tie plate for boiling water nuclear reactor
Uranium-containing nuclear-fuel sintered pellet
Use of boron or enriched boron 10 in UO 2
Use of boron or enriched boron 10 in UO 2
Use of shape memory alloys in fuel pellet holddown springs