The phrase "a substantial role on" is not correct; it should be "a substantial role in." You can use it when discussing the importance or impact of someone or something in a particular context or situation.
Example: "She played a substantial role in the success of the project."
Alternatives: "a significant role in" or "an important role in."
Willis was confirmed in a "substantial" role on September 6, 2011, saying, "Hopefully, they'll start shooting it while we're young enough to survive".
Both Jim McConnon, Laker's replacement, and Vic Wilson were controversial choices for the 1954 55 Australian tour, whose selections Trevor Bailey attributed to Hutton; neither played a substantial role on the tour.
The excellent 5-year survival of 55% in 11 patients who underwent complete resection suggests that complete surgical resection still play a substantial role on long-term survival in this stage of disease.
Figure 16 shows that hydraulic units of 1 and 2 in well A, 1 and 2 in well B, and 1 and 2 and 3 in well C have an substantial role on fluid transmissibility.
A recent study provided evidence for a substantial role of osteopontin on noncardiomyocytes, that is, macrophages via upregulation of galectin-3 and MMP-12 during myocardial degeneration of desmin-deficient mice without injury [ 12].
These authors thereby attribute a substantial role of asymptomatic individuals on the importation of infection.
Liquid liquid extraction is an extensively employed separation method that has taken on a substantial role in engineering and industrial applications for recovery processes.
Cardno Entrix also played a substantial role in organizing the public hearings on the project for the State Department, the last of which was held Friday in Washington.
But she "will not be on in a substantial role until September," Mr. Freston cautions, echoing other executives who say the channel should be judged not by its first week, but by its first year — or its second.
Foreign accounting firms that play a substantial role in producing an audit report on a company with an American listing will have to register with the new oversight board and obey American rules, even if they do not issue the audit report themselves.
It was revealed that the splats' interface played a substantial role in determining the fracture toughness on the assumption that cracks propagated predominantly along the interface.
