UMC Unibus Micro Channel
portable unibus terminator
UBI UniBus Interconnect
UBIC UniBus Initialization Complete
UBSSYNTO UniBus Slave SYNc Time Out
UBSTO UniBus Select Time Out
A Position Sensitive Microchannel Plate
closed-end microchannel
Fluid flow and heat transfer characteristics in microchannel
gas flows in microchannel
intercrystal microchannel
long-constant-area microchannel