The phrase "a decrease in amount of" is correct and usable in written English.
It can be used when discussing a reduction in quantity or volume of something.
Example: "There has been a noticeable decrease in amount of rainfall this season compared to last year."
Alternatives: "a reduction in quantity of" or "a decline in the level of".
It was also observed at equilibrium time a decrease in amount of adsorption.
Furthermore, a decrease in amount of Ag nanoparticles was observed due to an increase in extract amount above 10 mL.
It is noted that the intensity of the peak at 282.2 eV weakens harshly after Ar ion sputtering for 10 and 20 s, indicating a decrease in amount of SiC from the shell to the core.
Conilon [ 60] is not accompanied by a decrease in amount of RBCS1 protein.
Of these distorted markers, 256 (41.8%) show a decrease in amount of heterozygotes.
A more efficient task prioritization and organization, in combination with a decrease in amount of paperwork, and an increase in both the numbers and quality of nursing home staff, could contribute to this [ 29].
The misaligned feeding treatment did not result in an overall decrease in amount of sleep, but instead had a severe impact on the temporal pattern, suggesting that this treatment acts via disruption of the circadian timing of sleep.
Also, an energy price increase of one percent leads to a decrease in the amount of capital of 0.09%.
A decrease in the amount of dissolution of labradorite and augite is observed, associated with precipitation of carbonates and kaolinite.
Consequently, metabolic function is improved despite increased fat mass by an increase in the amount of subcutaneous fat and a decrease in the amount of visceral fat [ 7].
As the target void ratio increased, strength seems to have decreased due to a decrease in the amount of paste with respect to the amount of unit aggregates.
