125 MW coal-fired utility boiler

300 MW utility boiler

addictive utility factor

additional utility value function method

based on Law of Diminishing Marginal Utility

Bio-gas construction and comprehensive utility

brand utility

Breeding utility

carbon source utility

cellulose utility

City Public Utility

clinical utility

complex utility routine

composite utility function

comprehensive utility

comprehensive utility efficiency

comprehersive utility

computer utility

consumer utility

Cost utility analysis