The phrase "a decisive role of" is correct and usable in written English.
It can be used when discussing the importance or influence of a particular factor or element in a situation or outcome.
Example: "The research highlighted the decisive role of education in shaping an individual's future opportunities."
Alternatives: "a crucial role in" or "a significant role in".
Comparison of the fatigue life curves plotted as function of the plastic strain amplitude and stress amplitude shows a decisive role of plastic strain amplitude.
In addition to radiation damage, a decisive role of degradation induced by thermal effects and diffusion of reactive particles was suggested.
However, with survey studies suggesting a decisive role of communication apprehension, we also intend to explore if feelings of uncertainty in ongoing verbal interactions moderate the knowledge engagement relationship, while controlling for potential confounding and competing influences.
However, with survey studies suggesting a decisive role of communication apprehension, we also wanted to explore if situational feelings of uncertainty in ongoing verbal interactions moderate the knowledge engagement relationship.
Electrochemical impedance measurements were correlated with the structural, optical, and electronic properties of the sensitized arrays, finding a decisive role of the recombination resistance and chemical capacitance in determining the photoelectrochemical behavior.
The comparison of equilibrium surface coverage, affinity constant toward gold surface and stability suggest a decisive role of the nature of the anchoring group in the formation of the monolayers.
As mentioned previously, the prestress of rock bolts is one of the key parameters for bolting, and plays a decisive role on the effect of anchor support.
A decisive role for elimination of pathogens is played by macrophages and neutrophils.
Therefore, the arrangement of B-C-N-C along zigzag lines plays a decisive role for the applicability of TB model for BC2N nanoribbons.
The electrical properties of semiconductor surfaces have played a decisive role in one of the most important discoveries of the last century, transistors.
In Kansas, where Triad Management was especially active, the funds may have played a decisive role in four of six federal races.
