The phrase 'essential contributions of' is correct and usable in written English.
You can use it to refer to a person's essential contributions to a particular task or endeavor. For example, "The essential contributions of our volunteers cannot be overstated."
The need to distinguish these two kinds of traits (derived versus ancestral) in establishing genealogies is one of the essential contributions of the German entomologist Willi Hennig (1913-76) and his followers, who call themselves "cladists" and their approach to classification "cladistics".
The new design method captures the essential contributions of the different wall components and properties to reinforcement loads.
The essential contributions of this work are the following: We propose an extrinsic calibration algorithm for multiple cameras, even if there is no overlapping field of view among them.
Studies of multiple substitutions at G20 and neighboring positions highlight the essential contributions of a glycine-specific tight turn and adjoining inter-subunit side-chain hydrogen bonds to the stability and architectural specificity of the intertwined dimer.
In September 2014, the ethics committee of the French Institute of Health and Medical Research in Paris declared that the discovery of trisomy 21 couldn't have been made without "the essential contributions" of Gautier and Turpin, calling it "regrettable that their names were not systematically associated with this discovery".
We must reward the essential contributions of home health aides and make this an attractive job.
The essential contribution of education to safety and loss prevention is emphasized in this paper.
The increase predictability transparency of trade policy is an essential contribution of trade agreement that have long been accepted by policy-makers (Osnago et al. 2015).
An essential contribution of this paper is to show how a neural model can be enriched to deal with real sequences.
The document takes into account the special requirements imposed by the medical environment and by the essential contribution of the medical laboratory service to patient care.
These results do not negate the importance of large forest fragments for the maintenance of herb layer species richness, but specifically emphasize the essential contribution of the core habitats of these forests.
