The phrase "a concrete instance" is correct and usable in written English.
It can be used when referring to a specific example or case that illustrates a broader concept or idea.
Example: "To better understand the theory, let’s consider a concrete instance of its application in real life."
Alternatives: "a specific example" or "a tangible case".
Instance: the lay term denotes a concrete instance of a legal concept.
We use a concrete instance of a previously proposed reuse-based design approach, APSARA, implemented in a prototype, as the basis for the study.
Itself a concrete instance of what it proposes, read rightly this important book can help drag design thinking out of its too easy reliance on false metaphors and ill-suited models.
A configuration of EvoFM represents an evolution step and can be transformed to a concrete instance of the product line (i.e., a feature model for the corresponding point in time).
The formality of definitions like the one cited by Plantinga is likely to conceal underlying disagreements about what counts as a concrete instance of fideism.
Above equations give the CQI and TBS for a concrete instance of the propagation gains in particular of the multipath component power.
Contrast can occur when people compare something to a concrete example, comparing themselves, for instance, to the image of a supermodel.
By doing so, we have instantiated (represented with a sequence of concrete instances) a mechanism in silico.
Due to this weighting, it is possible to restrict the main index to a concrete subindex for instance, when assigning (0), (1), (0) as weights.
Within individual poems Baudelaire shifts between the rhetorical, the impressionist, the abstract, and the intensely physical, concrete instance.
This can be proved by techniques along the same lines as the ones used here for the concrete instance of the Riemann Mapping theorem.
