The phrase "an improvement in efficiency" is correct and usable in written English.
You can use it when discussing enhancements or advancements in the effectiveness of a process, system, or operation.
Example: "The new software update resulted in an improvement in efficiency, allowing the team to complete tasks more quickly."
Alternatives: "a boost in efficiency" or "an enhancement in efficiency."
Cells transfected in the device showed an improvement in efficiency (34%, n = 3) compared with standard protocols (17.2%, n = 3).
ASPEN Plus modeling of a conceptual power plant using the SPOC approach shows an improvement in efficiency of over 6 percentage points over first generation atmospheric oxy-combustion technology.
These data suggest that moving the timing of feed delivery resulted in cows consuming their feed more slowly in smaller, more frequent meals, contributing to an improvement in efficiency of production.
Usually, reforms in port governance programmes are imposed by the government looking for an improvement in efficiency, to face budget restrictions or merely for ideological reasons.
For a double suction centrifugal pump, the head increment can be achieved by increasing exit blade angle and an improvement in efficiency by varying exit blade angles can be obtained (Varley 1961).
If EFFCH > TECHCH, then the productivity gains are primarily the result of an improvement in efficiency, while if EFFCH < TECHCH, then the productivity gains are mainly the result of technological progress (Charnes et al. 1993).
The C‐5A was thus an improvement in cost efficiency over previous programs.
The narrower flexure results in an improvement in mechanical efficiency.
In both cases, we see every single year an improvement in fuel efficiency, power, speed, comfort, and safety.
But equally there is no reason why, on occasion, such government administrative regulation should not lead to an improvement in economic efficiency.
Reductions in environmental N release could be attained through an improvement in N efficiency.
