The phrase "a reduction in concentration" is correct and usable in written English.
It can be used in contexts discussing decreases in focus, intensity, or levels of a substance in various fields such as science, psychology, or education.
Example: "The study found that a reduction in concentration among students led to lower test scores."
Alternatives: "a decrease in focus" or "a decline in attention".
Nutritionists formulated diets closer to animal requirements, resulting in a reduction in concentration of crude protein and P in the purchased feed over time.
A reduction in concentration of N and Al is observed with increasing substrate biases.
All compounds showed a reduction in concentration of 89% to 100%, independent of high- or low-start concentration.
In the buffer fraction, an increase in the concentration of a metabolite indicates efflux from the mitochondrial fraction, whereas a reduction in concentration indicates mitochondrial uptake.
Because these compounds are lipophilic, increasing fat mass results in an increase in volume of distribution and a reduction in concentration, even in the absence of any elimination.
A long-term remediation strategy would therefore be evaluated based on a reduction in concentration of sediment contaminants and a return to community abundance that reflects a less-contaminated state.
In liver, FGF21 in the MAPK signaling pathway decreases on the expression of IGF-1 via a reduction in concentrations of the active form of STAT5 [ 20].
The results of the pilot showed a non-significant trend for a reduction in concentrations of T-tau in neat CSF and no evidence of a reduction following the addition of Tween 20.
5 In addition, several meta-analyses of observational studies and randomized controlled trials have found that a reduction in concentrations of LDL cholesterol could significantly reduce the risk of coronary heart disease and stroke incidence and mortality.
A reduction in the concentration index for MEDFAC was observed from 1993 to 2008; however, the concentration index obtained was also large in comparison with ANC.
The serum concentration of copper increased in supplemented doses, which was concomitant with a reduction in Zn concentration in serum and colostrums.
