The phrase "activity declining" is correct and usable in written English.
It can be used to describe a situation where the level or amount of activity is decreasing over time.
Example: "The report indicated that activity declining in the sector could lead to significant economic challenges."
Alternatives: "decrease in activity" or "reduction in activity".
However, it is worth noting that, in C. elegans, pachytene-stage germ cells appear to be the most transcriptionally active with RNA polymerase II activity declining as oocytes transition from diplotene to diakinesis (Starck 1977; Gibert et al. 1984; Schisa et al. 2001; Kelly et al. 2002; Walker et al. 2007).
Maximum oxygen consumption (VO2 max), an objective surrogate of fitness, peaks between 20 to 30 years of age, then declines by a rate of about 1% per year depending upon individual level of physical activity (declining more in sedentary compared with physically active adults).
Unfortunately though, bumper hardly describes the tax receipts for this January as they have been decimated by sharply contracting economic activity, declining profitability, rising unemployment, reduced bonus payments, December's VAT cut and substantially weakened housing market activity and prices.
"This is the place," the diplomat said amid the rumble of Tuesday night activity, declining to allow his name to be used as he recounted the many powerful people in Washington who suddenly want to hold meetings or events here, at President-elect Donald Trump's newest hotel.
The effects on both Up-states and evoked synaptic potentials were concentration-dependent, with activity declining at higher concentrations.
Based on the CD spectroscopy data, the enzyme displays a conformation-dependent esterase activity, with activity declining dramatically or almost lost at ≤ pH 4.0 and ≥11.0 as a result of the enzyme becoming denatured.
During earlier years, despite the particular basic elements of active learning, student activity declined considerably during the course.
Manufacturing activity declined in July, a trade group reported Monday.
The National Association of Purchasing Management reported today that manufacturing activity declined in September for the 14th consecutive month.
The New York-based Conference Board said its monthly forecast of future economic activity declined 0.5percentt in August.
US service providers said overall business activity declined slightly in February, ending a 27-month period of sustained growth.
