The phrase "are often studied on" is not correct in standard written English.
It is typically used to indicate the subjects or topics that are frequently examined or researched, but the preposition "on" is not appropriate in this context.
Example: "These phenomena are often studied in the field of psychology."
Alternatives: "are often researched in" or "are frequently examined in".
However, many of the datapoints for CED also do not necessarily reflect a market average, contrary to the price data, but are often studies on specific producers, thus there is no convergence of the CED like there is for price in a globally operating PV market.
Similarly, stimuli-responsive bioconjugates (frequently referred to as "smart" bioconjugates) are often studied as potential "on/off" systems, whereby the solvation of the polymer dictates the protein activity.
The cellobiose inhibition of GH7 CBHs is most often studied on low-Mw model substrates.
The role of earthworms has been most often studied on a single plant species, while only few have investigated effects on plant communities [ 27- 31].
These arguments are often based on studies where scientific knowledge is used as the sole measure of public understanding of biodiversity, and therefore fail to account for individuals' constructs of biodiversity and related issues such as biodiversity management.
Second, most indicators, including RSB, are often based on a one-year study period.
Many studies are often conducted on a handful of data sources such as the Longitudinal Study on Aging (LSOA) [ 10- 12] or the National Long-Term Care Survey (NLTCS) [ 13- 15].
Inhalant abusers are often excluded from studies on drug abusers, and there have been no NIDA-funded studies focusing exclusively on treating inhalant abusers.
Because the same artery and nerve are crucial to sexual function in women, assumptions about female cyclists are often extrapolated from studies on men.
Patients with depression are often excluded from studies on the treatment of social anxiety disorder (SAD), leaving gaps in our knowledge about the impact of depressive affect on treatment for SAD.
