The phrase "a decreasing tendency of" is correct and usable in written English.
It can be used when discussing trends or patterns that show a reduction or decline in a particular behavior, characteristic, or measurement.
Example: "The data indicates a decreasing tendency of customer satisfaction over the past year."
Alternatives: "a declining trend in" or "a reduction in".
This decrease reflects a decreasing tendency of the number of halo CMEs in 2013 and 2014 as noted by Gopalswamy et al. (2015).
When the overall peak current is normalized to the metal occupied surface area/loading content, a decreasing tendency of the specific/mass current is observed.
The study of symmetrical cells with La0.8Sr0.2Ga0.8Mg0.2O3-δ (LSGM) as an electrolyte shows a decreasing tendency of polarization resistance (Rp) of La1.5Sr0.5Ni1-xFexO4+δ with increasing Fe content.
In the production of the tomato seedlings, the use of different proportions of SASC resulted in a decreasing tendency of all the parameters (Figs. 1, 2, 3).
By re-circulating cooled exhaust gases into the combustion chamber, the heat capacity of the cylinder charge increases, leading to a decreasing tendency of the cycle temperatures.
Chronometric events represent 58% of the data set (swimming, track, cycling, speed skating) with a decreasing tendency of WR values; 42% are non chronometric events (field, weight lifting) with increasing WR values.
Apart from sNTX, sCTX and uDPD, the remaining bone turnover markers were associated with an decreasing tendency of T-scores at various skeletal sites in the order of Q1 > Q2 > Q3 > Q4.
We found a decreasing tendency for ET in the past 15 years across the Hai River Basin, especially after the year of 2005.
The main effects in the time dimension show a decreasing tendency in the use of kin contacts since 2003, as compared to both the use of non-kin contacts and not using contacts at all, though most of the corresponding coefficients are not significant due to insufficient numbers of cases.
In the present study, we found a decreasing tendency in a subpopulation of NK cells expressing the inhibitory receptor CD158b.
