The phrase "altering the ratio" is correct and usable in written English.
You can use it when discussing changes to proportions or relationships between quantities in various contexts, such as mathematics, finance, or cooking.
Example: "The chef is altering the ratio of ingredients to create a new flavor profile for the dish."
Alternatives: "modifying the ratio" or "changing the ratio".
In turn, increases in oligodendrogenesis could affect cognition in at least two ways: by altering the ratio of oligodendrocytes to neurons and by altering myelination (white matter tracts).
We found that dietary fermentable fiber content changed the composition of the gut and lung microbiota, in particular by altering the ratio of Firmicutes to Bacteroidetes.
Furthermore, the surface domain composition of Janus particles made by Dialysis NanoPrecipitation can be tuned by altering the ratio of homopolymers that constitute the two domains.
Rumen pH was affected more by changing dietary particle size than altering the ratio of silage to hay.
After altering the ratio of apple to potato in a few test batches, I came up with a version that tasted wonderfully of both.
Such configuration decreases the level of oxygen during the process of combustion; altering the ratio of chemical bonds in the soot.
"When skunk was created the people doing it had no idea they were altering the ratios of CBD and THC – they just kept breeding the plants that gave the strongest high and threw the rest away".
The data was normalized against the composite median of both 5' and 3' initial template values in order to plot the experiments on the same scale, without altering the ratios.
Polyacrylamide scaffolds have become popular three-dimensional models as their rigidity can be modulated by altering the ratios of the components contributing to polymerization of the scaffold.
An altered expression level of TGFBR2 will alter the ratio of TGFβ to its receptor, thereby modulating downstream signaling.
