The phrase "a slightly negative effect" is correct and usable in written English.
It can be used when discussing the impact or influence of something that is not entirely positive, but not overwhelmingly negative either.
Example: "The new policy has a slightly negative effect on employee morale, as some feel it limits their creativity."
Alternatives: "a minor adverse effect" or "a small detrimental impact".
The use of coal ash alone is not recommended because it has a slightly negative effect on soil strength.
Exchange rates "had a slightly negative effect" on sales the group said.B rice Howald, a Swatch spokeswoman, said that for quality reasons, the company had no intention of switching production abroad.
Although the addition of CZ caused a slightly negative effect on viscosity, ionic conductivity, limiting current density, and lithium transference number, the oxidation limit of PEGDME/lithium bis trifluoromethylsulfonyl)amide (LiTFSA) composites was improved to over 5 V.
When the visor visually blocked the face or the front vents from the wind direction, such as at 30° for the face, a reduction in convection heat loss was usually observed, whereas the visor had no or a slightly negative effect on the face at 0°, with opposite trends for the scalp.
Tree size had a slightly negative effect on CVd (Figs. 7f and 8c).
This leads to the conclusion that a pressure of 15 MPa has a slightly negative effect on the growth of this bacterium, suggesting it can be classified as a piezotolerant organism.
Including data from distant breeds in a reference population had a neutral to slightly negative effect on the accuracy of genomic prediction.
Still, short-selling bans seem to have a neutral, even slightly negative effect, on the stocks it tries to protect.
At the individual level however, the slightly negative effect of heath care confidence on euthanasia attitudes might rather be attributable to conscious perceptions of health care confidence.
Accounting for the effects of sampling on the Var u) reduced the sampling variance in regions where the previously published formulations had high sampling variances but had little (or even slightly negative) effect where these formulations had low sampling variances.
The slightly negative effect on enniatin concentration after inactivation of the pksX cluster was quite unexpected (Fig. 4a) and suggests that its inactivation has no direct influence on the availability of precursors or resources of enniatin production.
