The phrase "a primary contribution of" is correct and usable in written English.
It can be used when discussing the main or most significant input or impact of something, such as a study, project, or individual.
Example: "The research paper highlights a primary contribution of the new methodology to the field of environmental science."
Alternatives: "a key contribution of" or "a major input from".
Pharmacological analysis indicated a primary contribution of glutamatergic mechanisms in the generation of spontaneous bursts in motor and sensory zones, as all organized activity was suppressed by glutamate receptor antagonists, in agreement with previous studies34,51,52.
A primary contribution of our work is that our design is decoupled, thus providing a separation of the scheduler itself from the application-specific components needed for the scheduling process.
A primary contribution of C.R. Darwin during the last century was the theory that feedback over long time periods is responsible for the evolution of species.
A primary contribution of this study is the development of a theoretical model of living with a PERS, as constructed through qualitative data analysis.
The pronounced loss of mitochondria in the pro-apoptotic prion-infected cells might indicate a primary contribution to cell death as part of the apoptotic response.
The primary contribution of the paper is a procedure for estimating a cost function on these artificial arcs, using derivatives of the equilibrium travel times between the end nodes to create a Taylor series.
The primary contribution of this paper is a new reconstruction algorithm for orthographic projections of 3D wireframes.
Our data map the primary contribution of oxidative demethylation to a subset of gene bodies and intergenic sequences and implicate redundant pathways at many loci.
The primary contribution of this paper is an approximation theorem for the equivalent NP-hard minimization problem.
The primary contribution of this study is an assessment of the effects of congestion in nanonetworks through consideration of competition among bacteria for conjugation at a nanogateway.
The primary contribution of this paper is an efficient feature extraction and matching implementation for large images in large-scale aerial photogrammetry experiments.
