The phrase "a decrease in size of" is correct and usable in written English.
It can be used when discussing a reduction in dimensions or volume of an object or entity.
Example: "The study observed a decrease in size of the glacier over the past decade."
Alternatives: "a reduction in size of" or "a shrinkage in size of".
An increase in microhardness of the samples annealed in magnetic field (Table 1) can also testify to a decrease in size of precipitated nanoparticles during TMT.
A significant decrease in reproduction was observed (Fig. 4) with an increase in dose of ZnO-NPs and strongly affected with a decrease in size of NPs.
It was also shown that the addition of PVP during synthesis led to a decrease in size of the as-synthesized particles from 9 to 5.5 nm.
Analysis of Raman spectra for both film types indicates a decrease in size of the film-forming clusters and simultaneous arrangement of atoms towards graphite-like structure with increasing ion bombardment intensity.
This in turn leads to an increase in dynamic supercooling and solute trapping of Cu in the enhanced Fe-rich dendritic refinement, but a decrease in size of Fe- and Cu-rich particles as well as a reduction in size of nanostructured Cu-rich grains inside the Fe-rich particles due to the secondary liquid phase separation.
In accord with this reasoning, the most basal morphological specialization in social hymenopterans is an increase in size of queens or a decrease in size of workers [29].
A decrease in size and number of roots was reported especially for Phytomyxea parasitising marine plants.
In contrast, AT22 cells treated with oxLDL exhibited a decrease in size and number of nuclei, but no chromatin condensation.
News item: Older adults who say they've had a life-changing religious experience are more likely to have a greater decrease in size of the hippocampus, the part of the brain critical to learning and memory, new research finds.
Dissection of E18.5 double mutant embryos showed that all major organs were present and, apart from a slight decrease in size of most organs, appeared normal morphologically.
In terms of efficacy, CT examination on day 20 showed a significant decrease in size of the lung metastases (Fig. 1b).
