The phrase "an useful instance" is not correct in written English.
The correct form is "a useful instance" because "useful" begins with a consonant sound.
Example: "This is a useful instance of how the theory can be applied in real life."
Alternatives: "a helpful example" or "a practical case".
Moments where the veneer of tolerance and respect are unmasked should be viewed as useful instances for reflection.
Therefore, this end-to-side neurorrhaphy (ETS) technique using the electrospun PCL/collagen conduit appears to be clinically feasible and would be a useful alternative in instances where autologous nerve grafts or an adequate proximal nerve stump is unavailable.
The mitochondrial action gives to cancer cells a useful metabolic flexibility, for instance, allowing high level ATP production.
For instance, a useful source of gene expression data is NCBI Gene Expression Omnibus (GEO), a repository of over 26000 studies that continues to grow at a rapid pace.
Instead of mixing works by different composers to form juxtapositions that illuminate each (or not), the Miller series generally provides a handful of pieces by a single composer, providing in its best instances a useful and nuanced overview of one artist's development.
In each case, the demands of the industry are different, but the strengths of nanoimprint lithography make it a useful tool in many instances.
It was a useful resource in these instances as prognosis for these types of cancers are particularly poor.
FOP systems as they are currently applied are not, in most instances, a useful guide to identifying healthier food products in the supermarket as many more products qualify for these systems than the number of products actually displaying these symbols on FOP, and the level of agreement between qualifying and carrying products is poor to moderate.
Contrary to Gardner's claim, we do see value in adaptationist thinking within biology, for instance, as a useful vehicle for generating hypotheses; however, it becomes a problem if it leads researchers to fail to consider viable alternative hypotheses.
In addition to making for a great little sociological parlor game, the selection-treatment scheme is a useful one for examining another instance of underqualified students at elite institutions: affirmative action, which once again finds itself under a microscope in the courts.
