The phrase "an excellent relation" is correct and usable in written English.
It can be used when describing a positive connection or relationship between people, organizations, or concepts.
Example: "The team has developed an excellent relation with their clients, leading to increased trust and collaboration."
Alternatives: "a great relationship" or "a strong connection".
Results: Flows from 3D digital velocity profiles showed a closed, excellent relation with actual flow rates, especially for instantaneous flow rate.
Moreover, we found an excellent linear relation between the accumulated hole amount and luminance losses owing to device aging.
Of the 11 internal standard peptides, six exhibited a good MS response and an excellent linear relation between the extracted peak area and the absolute amount; these peptides were thus selected to represent the contents of the corresponding individual target proteins in the islet sample.
Polymeric matrix composite (PMC) has been used in engineering applications instead of metal in the last few years, due to its corrosion resistance and excellent relation between tensile strength/density and elastic modulus/density.
Paul A. Argenti, a professor of corporate communications at Dartmouth's Tuck School of Business, said that while JPMorgan did an excellent public relations job handling the trading losses, the bank's public relations strategy is not enough to tackle the broader issues.
That is why I think that this appointment, complemented by the appointments of Jean-Luc Dehaene, with whom we as a group have excellent relations, and also Giuliano Amato, who is a proven European, is a very sound one.
"If you are a writer and you review as well, that's not a good recipe for excellent relations with fellow writers.
He was born in 1967 to a powerful family that had excellent relations with the British, who ruled southern Yemen from 1839 until 1967, when they withdrew under attack by an armed independence movement.
For the generals in Ankara, with whom he kept excellent relations, he was a political heavyweight on whose hawkish views they could always depend.
