The phrase "a quick drop of" is correct and usable in written English.
It can be used when referring to a small amount of a liquid or substance that is dropped or poured quickly.
Example: "She added a quick drop of lemon juice to the recipe for extra flavor."
Alternatives: "a small splash of" or "a brief drizzle of".
A quick drop of bags and a hurried consultation with the hotel's chipper and efficient concierge staff for recommendations of a Georgian restaurant, and we were back in our winter coats and headed through the crowded subterranean passage to the Kremlin side of the boulevard.
Kesh's breakout hit song Shoki catapulted him to stardom and popularised its signature dance: fingers held tightly together mimicking a cobra, while the body bobs slowly up and down, then builds to a quick drop of the hand and then back up again.
As the supersaturation reduced resulting from the crystallizing materials in solution being consumed and a quick drop of temperature, the nucleation stopped, and the critical size of nuclei increased beginning the crystal growth process.
The sudden storm commencement (SSC) was registered at ~0445 UT and then there was a quick drop of the SYM-H index to the value of −226 nT, observed at ~2300 UT, with a couple of local minima of −93 and −164 nT at ~0940 and ~1740 UT respectively (Fig. 1).
It is of note that the actual FRET efficiency is an inverse 6th power distance dependency, leading to a quick drop of the detected FRET efficiency at donor-acceptor proximities above R0.
All had to make only a quick drop off of urine samples and received antibiotics to cover seven days.
This marked a quick drop in intensity of the storm to a minimal Category 3 hurricane.
In the months following the earthquake, food was distributed to about 4 million Haitians, and 900,000 received help in the form of cash-for-work or cash transfer to protect overall food consumption,, leading to a quick drop in the percentage of food-insecure households from 52% in February 2010 to 39% in June 2010.
The main results of the laboratory experiments indicate that increased levels of CO2 generate a quick drop in pH.
The main results of the laboratory experiments indicate that increased levels of CO2 generate a quick drop in pH for both limestone sand and silica sand, and slightly increased ions concentration in solution phase.
