The phrase "a moderate reduction of" is correct and usable in written English.
It can be used when discussing a decrease that is not extreme, often in contexts like economics, health, or environmental issues.
Example: "The study showed a moderate reduction of carbon emissions over the past year."
Alternatives: "a slight decrease in" or "a modest cut to".
The issue of the tariff drifted unresolved, however, until 1832, when congressional leaders sought a compromise in the form of a moderate reduction of the tariff.
Accelerated weathering showed a moderate reduction of NO removal efficiency.
In addition, a moderate reduction of the a* coordinate is observed as for the other coatings.
As expected, increasing the load level caused a (moderate) reduction of fire resistance.
Moreover, the recipients of blotchy marrow presented a moderate reduction of plasma lipids and inflammatory mediator production.
Lastly, the PC61 showed a moderate reduction of Tregs that lasted longer than the other reagents, without a reduction in the total number of CD8 T cells.
Here, the comparatively low doses result in a moderate reduction of Mn >> 10 kg mol-1 for the stepped pattern and thus into marginal decrease of Tg not less than 108°C.
We observed a moderate reduction of phosphorylation at Ser 33/37/Thr 41 residues under Ginkgetin treatment in a time- and concentration-dependent manner (Fig. 3b, c), which was contrary to our expectation.
A structurally altered version of the Pdc2p transcription factor may display a reduced positive regulatory activity of PDC1 and PDC5, leading to a moderate reduction of the PDC enzymatic activity and consequently a reduction in ethanol production.
A moderate reduction of molar mass of emulsion copolymers caused a significant improvement of adhesion and blocking resistance, obviously due to enhanced coalescence leading to favoured inter-particle diffusion of copolymer molecules of reduced molar mass.
The formulations, administered intra-jejunally to healthy rats (4 h fasting) resulted in a moderate reduction of the glucose levels (20% reduction), which lasted for up to 4 h.
