Spring retention of upper tie plate and fuel bundle channel in a
Spring/dimple instrument tube restraint
Spud finger gauge
Sputtering process burnable poison coating
Stabilizing device for control rod tip
Stabilizing plasma in thermonuclear fusion reactions using reson
Stabilizing windings for tilting and shifting modes
Stable and passive decay heat removal system for liquid...
Stack forming apparatus
Stackable truncated conical shell fuel element and an assembly t
Staged depressurization system
Stand-alone power supply energized by decay of radioactive iosto
Standard fission product emission device for detecting failed fu
Standardized reduced length burnable absorber rods for a nuclear
Standardized reduced length burnable absorber rods for a nuclear
Standby passive injection coolant water safety injection system
Standby safety injection system for nuclear reactor plants
Start-up range neutron monitor system
Status tree monitoring and display system
Stayrod arrangement