The phrase "a marginal decrease of" is correct and usable in written English.
It can be used when discussing a small or slight reduction in a quantity or measurement.
Example: "The report indicated a marginal decrease of 2% in sales compared to the previous quarter."
Alternatives: "a slight reduction of" or "a small decline in".
When the temperature was increased to 400 °C, a marginal decrease of AA selectivity was observed from 64.2 to 57 %, but the LA conversion did not change appreciably at ~99%%.
We have shown an increase by a factor of 3.5 compared to IWF, 15 compared to SFR, and 60 compared to EPA in the victim user data rate with a marginal decrease of the primary user data rate.
In high interference conditions, it can achieve a victim user data rate increase by a factor of 3.5 compared to IWF, 15 compared to soft frequency reuse (SFR), and 60 compared to equal power allocation (EPA) with a marginal decrease of the primary user data rate.
The number densities of lithium ions between the two graphenes are estimated from existing semi-empirical molecular orbital calculations, and the graphene sheets giving rise to the triple ion layers admit the largest storage capacity at all temperatures, followed by a marginal decrease of storage capacity for the case of double ion layers.
A small interaction of step-length noise and step-length can be observed at the small steps with high noise with a marginal decrease of Ψ.
In contrast control patients illustrate nearly none or only a marginal decrease of NK cells after the application of basiliximab (Figure 1).
Park trees show a dominant effect of growth with an increase in alive biomass for 50 years and with a marginal decrease for the last 10 years of our assumed 60-year LCA.
This results in a marginal decrease in setting of the mix.
As expected, there was a marginal decrease in sensitivity of the multiplex PCR when compared to single PCR assays for individual agents.
There was a marginal decrease in expression of the ATF6-regulated chaperones BiP and Pdia4 after the first day of ribose incubation, but expression of the cochaperone P58 was not affected by the exposure of islets to ribose.
E-cadherin also showed a marginal decrease indicating a reduction of this epithelial cell marker.
