The phrase "a moderate influence on" is correct and usable in written English.
It can be used when discussing the level of impact or effect that something has on another thing, typically in a neutral or balanced context.
Example: "The study found that social media has a moderate influence on the purchasing decisions of young adults."
Alternatives: "a slight impact on" or "a reasonable effect on".
This study revealed that the equivalence ratio has a substantial influence on major combustor flow properties but only a moderate influence on ignition position.
Both the pore size and loading level have a significant impact on fatigue behaviour, while residual stresses showed a moderate influence on fatigue life for the wheel.
The relative humidity of the air exerts a moderate influence on the drying behavior of the droplet and the temperature has only a very low impact on the mean porosity.
The results show that the effect of diffusion and matrix shrinkage on production can be ignored, but stress sensitivity and adsorption layer thickness have a moderate influence on production.
Furthermore, it is found that the variations of the concrete strength, the FRP Young's modulus as well as the concrete cover have a significant influence on the reliability index; the variations of the ultimate strain of FRP, the yield strain of steel reinforcement and the ultimate strain of concrete have a moderate influence on the reliability index.
From these measurements it can be concluded that variations in the fibrin hydrogel structure have a large impact on the rheological response of the hydrogels (up to two orders of magnitude difference in storage modulus) but only a moderate influence on the diffusivity of dextran solutes (up to 25% difference).
In accordance with these findings, a medium influence of age and a moderate influence of education on involvement preference were found in this study.
Only a moderate influence of individual land use types on genetic diversity within and among populations was found with some idiosyncratic relationships.
All in all, these global results together with the replicated epistatic interactions presented here suggest a moderate influence of non-additive genetic effects on gene transcription variation.
However, this would yield a comparable moderate influence on the fusion rate in particular if one keeps in mind that vesicles are transported to their destinations via the cytoskeleton which makes the probability of encountering of two vesicles little dependent on the radii.
Essential fatty acid deficiency had a major influence on fatty acids in NL fraction of all tissues, a more moderate influence on PL of muscle, liver and gills, while a low and very low diet influence was observed on eyes and brain PL fatty acid content, respectively.
