Absolute biological efficiency
biological efficiency improvement technology
high efficiency biological vector
relative biological efficiency RBE
biological energy efficiency
efficiency of biological system
Biological heating effect and biological non-heating effect
Downsizing for efficiency; cut payroll to improve efficiency
Efficiency Congestion in the Efficiency Intervals
High Efficiency and Premium Efficiency Motor
(biological) invasion risk
(BOD520)biological oxygen demand
15N biological labeling
activated biological filtration process
active biological surface
aerated biological carbon filter
aerated biological filter