The phrase "a comparatively high fraction of" is correct and usable in written English.
It can be used when discussing proportions or percentages in a comparative context, often to highlight a significant amount relative to something else.
Example: "In the recent survey, a comparatively high fraction of participants reported feeling satisfied with their experience."
Alternatives: "a relatively large portion of" or "a notably high percentage of".
Families GH5, GH79, CE16, and PL14 appear to have expanded in P. carnosa relative to P. chrysosporium, and contained a comparatively high fraction of proteins with relatively low identity (<60%) to orthologous proteins in P. chrysosporium.
Secondly, when selecting waiting locations that tend to be far away, ambulances spend a comparatively high fraction of their driving around empty, while they cannot be dispatched to any incoming requests.
This research indicates that with further epidemiological validation of the exact proportion of patients with both OA and OP, it may be found that cartilage degradation and osteoporotic changes co-exist within patients, and a comparatively high fraction of these patients might exhibit only mild cartilage lesions [ 6, 8- 10].
In fact, as reported in other studies [ 23, 29, 31, 42, 43], such distributions can often be modeled as negative binomial distributions, which can account for the broad fluctuations of contact durations as well as for the comparatively high fraction of missing links across the chosen classes.
We explored many different search terms initially and these two pairs gave us a comparatively high number of hits with a low fraction of articles with no events or tallies.
Residents have a comparatively high level of car ownership; 71% as compared to a borough average of 56.8%.
Hong Kong, a British colony until 1997, has a comparatively high degree of autonomy from Beijing.
This indicates that the students in the BEK experienced a comparatively high level of regression.
A comparatively high concentration of phosphorus was detected in the surface runoff in July and August (Figure 2b).
While there is still work to be done, Canada enjoys a comparatively high degree of tolerance and inclusion for people of all walks of life and orientations.
As an example, KB-1 exhibits a comparatively high level of enrichment in the "Virus" category.
