The phrase "altered the quality" is correct and usable in written English.
You can use it when discussing changes that have impacted the standard or characteristics of something, such as a product, service, or experience.
Example: "The new manufacturing process altered the quality of the final product, resulting in a more durable item."
Alternatives: "changed the standard" or "modified the characteristics."
The neonicotinoid treatment altered the quality of R. padi as prey for 2nd instar C. maculata, but this depended on the aphid infestation level on the plants.
Ethanol treatment altered the quality of mineralization at 10 mM dose whereas completely inhibited mineralization at 100 mM dose, despite the presence of serum.
These changes altered the quality of life and the availability of opportunities to women at different junctures throughout the modern globalization process.
As it turned out, the cameras provided an outlet for the band to discuss Littrell's muscle tension dysphonia, which had severely altered the quality and consistency of his voice.
The use of the β-tub gene alone, which ranked amongst the least stable genes, altered the quality of the normalization with over-estimation in most of the conditions that were studied.
Such impairment might have been a consequence of the overexpression of the protein of interest, which might have altered the quality of this cell product or even been toxic to the cells [ 13].
If so, why might the height from which the ball was dropped alter the quality of the spray?
Still, many cities face decisions now that may permanently alter the quality of human lives and the environment.
What matters, what appals, in Houston is the attempt being made there to alter the quality of baseball's time.
Because the growth hormone is not used to alter the quality of the salmon as food, he said, it could not be regulated as a food additive either.
However, Bayer's Julian Little told the Guardian: "We do not believe the new EFSA reports alter the quality and validity of [existing] risk assessments and the underlying studies.
