efficiency
degree to which a process minimizes waste of resources
economic efficiency
situation in which nothing can be improved without something else being hurt
photosynthetic efficiency
fraction of light energy converted into chemical energy during photosynthesis in plants and algae
utilization factor
ratio of the time that a piece of equipment is in use to the total time that it could be in use
spectral efficiency
information rate that can be transmitted over a given bandwidth
power efficiency
dimensionless physical quantity; ratio of output power to input power
machine operator efficiency
performance of an employee who operates industrial machinery
ecological efficiency
Efficiency of energy transfer from one trophic level to next
energy conservation
reducing energy consumption
atom economy
Measure of reaction efficiency
efficient energy use
minimizing the amount of energy used for a given, constant energy service
efficiency
quality measure of a statistical method
parsimony
use of the minimum set of elements required to achieve a goal
efficiency ratio
indicator of expenses as a percentage of revenue; i.e. how many euros one spends to make a euro
resource efficiency
maximizing effect whilst minimizing waste
energy efficiency
ratio between the useful energy output and the input of a machine
water efficiency
gallons per capita per day