The phrase "efficiency decline" is correct and usable in written English.
It can be used to describe a reduction in the effectiveness or productivity of a process, system, or individual.
Example: "The company has noticed a significant efficiency decline in its production line over the past few months."
Alternatives: "decrease in efficiency" or "drop in efficiency."
Beyond this concentration, graft yield and grafting efficiency decline.
Consequently, both the open-current voltage (VOC) and overall conversion efficiency decline [14, 21, 30, 31].
Also results suggested that increasing HPAM concentration in the mixed solutions does not change the DR efficiency decline significantly.
The results show that with pure recirculation, voltage and system efficiency decline due to nitrogen accumulation in fuel cell.
As EZBC used a large amount of operations of link lists such as adding and deleting nodes during encoding, this made its coding efficiency decline greatly when good image quality was required.
As it has a large amount of operations of link lists such as adding and deleting nodes during encoding, this made its coding efficiency decline greatly when good image quality is required.
When dye molecules undergo aggregation, electron injection becomes less efficient, and overall conversion efficiency declines.
The mean efficiency ratios are reported in the bottom portion of Table 1: participants were much more efficient in the absence of articulatory suppression, and efficiency declined sharply with suppression.
At first, the blood flow efficiency declined in the periodontal group.
(3) Wages must be higher in large cities than in small because living costs are higher in large cities. (4) Wages must compensate workers for their additional skill as they acquire experience (they usually reach a peak of earnings between ages 40 and 55) and thereafter decline as the worker's efficiency declines.
For power transmission, the transmission efficiency declines with the increase of the transmission distance.
