The phrase "are mostly studied in" is correct and usable in written English.
It can be used when discussing subjects or topics that are frequently researched or examined within a particular field or context.
Example: "The effects of climate change are mostly studied in environmental science courses."
Alternatives: "are primarily researched in" or "are chiefly examined in".
These geomagnetically induced currents (GIC) are mostly studied in transmission lines at high-latitude due to their frequent hazards.
Prognostic factors for MBC are mostly studied in retrospective investigations with small samples.
Currently, mild and deep to profound hypothermia are mostly studied in the setting of HS.
Because LPS O-antigens are mostly studied in pathogenic bacteria, it is unclear how often non-pathogenic bacteria contain rhamnose in their LPS.
The evolution of EGF ligands has been mostly studied in vertebrates, C. elegans, and D. melanogaster17,43,44,45.
Therefore, the exchange of sRNAs may be common in inter-species interactions, but this is mostly studied in pathogenic, parasitic or symbiotic interactions and far less for commensal or beneficial bacteria.
Lactate (not to be confused with the sugar in milk called lactose) is mostly studied in the context of the liver, where lactate can be converted back into glucose by the reverse of glycolysis.
Trihalomethanes but not other disinfection by-products were mostly studied in the PBC around the globe, while fluoride, atrazine, perfluorinated compounds, tetrachloroethylene, and lead were studied to a lesser extent as water contaminants.
FMOD has been mostly studied in the context of matrix component assembly, but during recent years its association with muscle development, cell reprogramming, and the angiogenic program have demonstrated its activities well beyond extracellular matrix maintenance.
The ASR in D2D communications is mostly studied in the context of interference and radio resource management [26, 27].
