The phrase "an unique characteristic" is not correct in standard English; it should be "a unique characteristic." You can use "a unique characteristic" when describing a feature or quality that is one of a kind or distinct.
Example: "The unique characteristic of this species is its ability to adapt to extreme environments."
Alternatives: "a distinctive feature" or "a singular trait."
The above equation, Eq. 12, indicates a very good correlating coefficient R 2 = 1.0 and has a unique characteristic of a straight line passing through the origin.
All fish were trained to different faces as CS− to reduce the possibility that performance was due to a unique characteristic of a particular face.
Fish 1 & 2 and Fish 3 & 4 were trained with opposite faces as CS− to reduce the possibility that performance was due to a unique characteristic of a particular face.
The degree of comminution differs among various processed products and is often a unique characteristic of a particular product ranging from very coarsely comminuted, to finely comminuted, to form an emulsion.
The compilation of such a list benefits from a unique characteristic of the German language: namely, that all nouns are capitalized like proper names.
Dr. Bush believed that America, a nation built by pioneers, possesses a unique characteristic that allows us to support a diverse array of scientific activities undertaken with the utmost integrity.
First transmitted in 1964, it took physicists at Brookhaven, Long Island, New York, two years and 97,025 photographs before they successfully identified a predicted new particle, which has a unique characteristic known as 'strangeness minus three'.
The peninsula of Baja California has a unique characteristic that it provides a high degree of isolation for the development of unique highly diverse endemic populations.
Therefore, the PaP1 genome, as a hard-to-sequence genome, should exhibit a unique characteristic in its genome composition.
