The phrase "a little effect in" is correct and usable in written English.
It can be used when discussing the minor impact or influence of something within a specific context or area.
Example: "The new policy had a little effect in improving employee morale, but more changes are needed."
Alternatives: "a slight impact on" or "a minor influence in".
O2 is from the air around, and also, we also placed an active carbon blanket for reference, which has a little effect in removal the odour, and CO content is almost unchanged in another vent area.
The HZSM-5 had a little effect in increasing the yields of the arenes for xylan and lignin, while it had a significant effect for cellulose, showing that more than 30% of carbon in cellulose was converted into arenes.
Higher resolution printing quality doubled the printing time, but showed a little effect on in vitro release pattern of theophylline and weight accuracy.
The presence of chloride in solution has a little effect on manganese deposition in its concentration range from 0 to 2 g/L.
The gas slippage has a little effect on dynamic permeability in coal reservoirs.
Rock phosphate application had a little effect on NaHCO3-Po in the absence of vermicomposting but when vermicomposted significantly increased NaHCO3-Po, i.e., vermicomposting of 2%% modified RP treatments caused 54 and 12 mg kg−1 increase of NaHCO3-Po in sheep dung and leaf compost, respectively (Table 3).
Inhibiting TNF in vivo significantly increases the number of proliferating fibroblasts but it has a little effect on fibroblast proliferation in normoglycemic mice [ 59].
However, although the number of bacteria detected in the Akt1 null animals is reduced in comparison to wild type, sNAG treatment had a little effect on absolute bacterial number in the Akt1 null animals.
This results in a little effect of CN mechanism on listening perceived quality.
But a single safe haven might have little effect in a conflict now so widely dispersed; if one were guaranteed there would soon be calls for others.
UN sanctions against six senior commanders, four of whom don't even hold a passport, have had little effect, in part due to the failure of South Sudan's neighbours to put them into force.
