Sentence examples for been studied for several from inspiring English sources

Each of them has been studied for several years.

Although HNSCC has been studied for several decades, the exact mechanism of cancer recurrence remains unclear.

Charge transport across novel DNA junctions has been studied for several decades.

The precise mechanism of the transformation process has been studied for several decades.

Hydrothermal jet technology is a novel drilling technology and has just been studied for several years.

Public key management in mobile ad hoc networks (MANETs) has been studied for several decades.

Although they have been studied for several decades, there are no efficient treatment processes in use.

Facility layout problems are an important class of operations research problems that has been studied for several decades.

Nanocomposite and nanostructured films have been studied for several decades mainly due to their unique physical, chemical or bioresponsive properties.

Streamflow-generation mechanisms have been studied for several decades, and there is now considerable knowledge regarding rainfall runoff processes and their controls.

Different acid and basic resins have been studied for several reactions in order to improve the catalytic performances and the process engineering with respect to current technology.