The phrase "a key basis of" is correct and usable in written English.
It can be used to indicate an essential foundation or principle underlying a concept, argument, or system.
Example: "Trust is a key basis of any successful relationship, whether personal or professional."
Alternatives: "a fundamental aspect of" or "a crucial foundation of".
(Coase's theorem---a key basis for economic analysis of government regulation---is that, regardless of how property rights are initially apportioned, if there are no transaction costs, and if people can trade in an externality, then bargaining will lead to an economically-efficient outcome).
A key basis for seeking periodic solutions of the Camassa Holm equation is to understand the associated spectral problemy′=14y+λmy.The periodic spectrum can be recovered from the norming constants and the elements of the auxiliary spectrum.
As discussed by Warde and Martens (2000, 207), 'a key basis of gratification is social participation, particularly in situations where the enjoyment of each person is dependent upon the enjoyment of all, where affect or mood is irredeemably a joint creation'.
The mechanism and characteristics of the change in composite material properties are the key basis of the numerical analysis and the optimal design of composite structures.
Environ Health Perspect 123:1255–1264; http://dx.doi.org/10.1289/ehp.1408337 Over the last century, synthetic chemicals have become a key material basis of industrialized societies.
Vocabulary acquisition and assessment are regarded as the key basis for the instruction of English as a second language.
It has been shown that the E2F-pocket protein-histone deacetylase transcriptional repressor complex serves as a key mechanistic basis for the repression of the hTERT gene in normal human cells during the G1 phase of cell cycle [29].
The key basis for the approach is the conversion of the cooling duties to equivalent inlet outlet (demand source) pairs.
With quantitative peripheral sensory testing and functional magnetic resonance imaging (fMRI) as assessment tool, the Tendinomuscular Meridian (TMM) system which empirically used for treating acute pain was recently adopted as a means to uncover some of the key scientific basis of acupuncture analgesia [ 7- 11].
