The phrase "a moderate drop in" is correct and usable in written English.
It can be used when discussing a decrease that is not extreme, often in contexts like finance, statistics, or general observations.
Example: "The report indicated a moderate drop in sales compared to the previous quarter."
Alternatives: "a slight decrease in" or "a modest decline in".
For samples containing between 10 000 and 20 000 ppm sodium a moderate drop in dispersion and an increase in heats of CO and H2 chemisorption were observed.
Harry Clark, president of Clark Capital Management in Philadelphia, said an economic slowdown that avoids recession could create a moderate drop in demand and help ease pressure from rising prices.
The result of that loss in income to China is apparent everywhere in the city, in the form of warmer welcomes, increased services, and a moderate drop in some prices even beyond the drop caused by a devaluation of China's foreign-exchange currency.
Latinos have seen only a moderate drop in discrimination against them.
A moderate drop in the catalyst activity occurred during the first few hours at the higher temperatures of 250 and 270 °C, after which a constant deactivating value was reached, ranging from 3 to 5 wt% every 24 h, until the reaction terminated.
However, this decrease in metabolism is associated with only a moderate drop in body temperature.
A large increase in luminosity at 09 00 was associated with very weak midlatitude Pi 2, and with a moderate drop (negative bay) in the SuperMag SML index (Newell and Gjerloev 2011) plotted in panel (d).
We are also seeing a moderate drop-off in long-term unemployment and a moderate increase in the employment-population ratio.
With 99percentt of the votes counted, the ruling Coalition for Democracy had 47.9 percent, a moderate drop from the 50 percent it received in legislative elections four years ago.
We show that the moderate drop in water table position predicted for most northern regions triggers a shift in vegetation composition previously observed within only severely disturbed tropical peatlands.
The more moderate drop in perilymphatic signal in CSF-border vestibular schwannomas is then related to a lowered compression on neural structure by a less obstructive tumour, slightly distant from the IAC walls.
