The phrase "a combination of contributions" is correct and usable in written English.
It can be used when discussing the collective input or efforts from multiple sources or individuals towards a common goal or outcome.
Example: "The success of the project was due to a combination of contributions from various team members, each bringing their unique skills to the table."
Alternatives: "a blend of inputs" or "a mix of efforts".
Thrust is found to be augmented significantly owing to a combination of contributions from aerodynamic and combustion effects.
It considers the current as a combination of contributions from three different sources.
Training programs are often funded through a combination of contributions by donors, the ministry of health, and the trainees.
The wavefront shape is a combination of contributions from wavefront Laplacians at each point and slopes at the boundary [ 4, 5].
This discrepancy likely reflects a combination of contributions from the increased volume that can be attributed to glycan chain flexibility and the decreased volume of the polypeptide core because of increased folding order.
However, molecular coancestry varied and the optimization method could find a combination of contributions that resulted in higher levels of EH even when some of the candidates did not contribute at all (about 60% of the individuals did not yield offspring).
It was part of a larger plan, led by Hillary Clinton, as secretary of state in 2009, to put together $100 billion a year for poor economies through a combination of government contributions and private investments.
As with the Special Tribunal for Lebanon, it would be paid for by a combination of American contributions and voluntary donations from other nations.
The transport mechanism was shown to result from a combination of different contributions involving the size of the permeant, the free-volume holes distribution and the amount of γ phase in the crystalline part of the polymer.
The transport mechanism was complex and resulted from a combination of different contributions involving the polymer permeant and permeant permeant interactions, the free-volume holes and the amount of γ phase in the crystalline part of the polymer.
Through a combination of focused contributions to reelection campaigns, well-connected lobbyists, nurtured relationships with committee chairpeople and staff members, and intimate knowledge of leverage points in key processes, special-interest groups routinely stall or torpedo policy changes, even when there is a broad consensus that action is needed.
