The phrase "an unique instance" is not correct in written English.
The correct article to use before "unique" is "a" because "unique" begins with a consonant sound.
Example: "This is a unique instance of collaboration between two rival companies."
Alternatives: "a singular case" or "an exceptional example."
However, "I syng of a mayden" is a unique instance of this lyric.
The evolutionary history of the ALOG domain represents a unique instance of a domain, otherwise exclusively found in retroelements, being recruited as a specific transcription factor in the streptophyte lineage of plants.
The existence of the two divergent haplotypes in the Satsop River, as well as the three that are associated with other Pacific Northwestern lineages suggests that the Chehalis River Valley may have been invaded by R. b. balteatus individuals from other areas, representing a unique instance where rather than expansion out of a Pleistocene refugium, the refugium may have been invaded instead.
The result was a vigorous French Catholic movement, the Confédération des Travailleurs Catholiques du Canada, which stands as a unique instance of confessional unionism in North America.
In interviews, Ponsot has mentioned her Catholic faith, and she pays homage to the Catholic Hopkins, who endeavored (as she does) to see in each plant, each animal, each sort of weather, a unique instance of Providence: "Loft him Halo him / Prize him high, pen in hand," she tells Hopkins ("him" is God).
Asymmetric facial cues are further separated in upper and lower ones depending on whether the upper or lower extreme has a unique instance describing it.
Boesch (1991) reports a unique instance of such simple symbolic signals in wild chimpanzees.
And there is still more to humans' documented primeval egalitarianism: it is also a unique instance of highly diversified whole-group cooperation, managed through consensual decision-making and without any hierarchical order, only an informal leadership without any coercive power (Erdal and Whiten 1996:144 145) but that of deliberative persuasion.
In this one, and very unique instance, the US did it by going in to assist a democratically elected government against a dictator', the Secretary of State, Mr James Baker, claimed.
Goldfarb said that in the court proceedings this week, the judge seemed focused on a fair and open playing field, was aware of market risk and of the "good fortune" for shareholders in this unique instance, and hoped to maximize shareholder value.
