Sentence examples for extensive research has been from inspiring English sources

Extensive research has been done on various types of oligosaccharides.

Extensive research has been conducted regarding ionospheric spatial and temporal characteristics.

Therefore, extensive research has been carried out for developing various pretreatment techniques for delignification of biomass.

Extensive research has been conducted on FRP material for both its short and long term performance.

Extensive research has been held on fuel cells, which are one of the promising candidates.

Extensive research has been conducted on the performance of the aluminium water reaction.

Extensive research has been performed to better stratify patients within the intermediate risk group.

Extensive research has been carried out to study the classical Boussinesq equation in various respects.

An extensive research has been reported on EDM, while limited work has been reported on EDDM.

Extensive research has been done linking different theoretical person-environment fit models with person-environment psychology.

Thus, extensive research has been conducted in LPI optimization from various perspectives [15 28].