The phrase "a further drop of" is correct and usable in written English.
It can be used when discussing a decrease in quantity, value, or level, often in contexts like finance, statistics, or general observations.
Example: "The report indicated a further drop of 10% in sales compared to the previous quarter."
Alternatives: "an additional decrease of" or "a continued decline of".
After the first episode returned the programme's lowest figures for 10 years the second instalment saw a further drop of 500,000 viewers from the launch show.
Last week, the Finance Secretary, Agustín Carstens, revealed that he expected a further drop, of 0.5percentnt, as a result of the flu.
She thinks that output will shrink by 15% this year; and she predicts a further drop of 15% in 2014, followed by a 5% fall in 2015.
The state can do this because the number of inmates fell to 156,000, from 162,000, in 1999, Mr. Green said, and his agency expects a further drop of 3.1percentthis yearar.
The price of solar panels has fallen by 25percentt in six months, according to Rhone Resch, president of the Solar Energy Industries Association, who said he expected a further drop of 10percentt by midsummer.
Called a "high savings case," it alerted management to "the possibility that consumers themselves would produce a surprise in the form of a much more rapid decrease in energy and oil intensity than that assumed for the reference case". This would mean a further drop of 6 million barrels per day in the demand for OPEC oil.
In survivors, CD8+ T lymphocytes showed a further drop on day 3 of followup, followed by a gradual recovery although numbers failed to reach the count recorded in healthy controls.
In survivors, this T cell subset showed a further drop on day 3 of follow up, followed by a gradual recovery, although numbers failed to reach the counts recorded in healthy controls.
Two-year-old plants were subjected to temperatures of 4°C and a further drop to -4°C to conduct comprehensive analysis of transcriptional responses.
The falling value of the British pound helped third-quarter results at GlaxoSmithKline, softening the blow of competition from generic alternatives for several products and a further drop in sales of its diabetes pill, Avandia.
To prevent core temperature from a further drop, small amounts of warm water was added to the tub.
