The phrase "occurrence of phenomenon" is correct and usable in written English.
You can use it to refer to something that has happened, is happening, or might happen, usually something noticeable or unusual. For example: "The sudden occurrence of phenomenon A had a profound effect on the entire global economy."
The analytical results show that the parameter n (the fraction of the feed entering the zone of perfect mixing) dominates the occurrence of phenomena of input multiplicity.
DSWare [40] is a real-time event detection service based on the publish/subscribe paradigm that allows users to be notified of the occurrence of phenomena.
The occurrence of phenomena such as rhabdomyolysis, blood transfusion or urinary tract trauma and also urinary catheter insertion could explain the higher iron levels.
In Sartre's model of intentionality, the central player in consciousness is a phenomenon, and the occurrence of a phenomenon just is a consciousness-of-an-object.
The first British citation is Karl Popper's Open Society of 1952: "I call it the 'conspiracy theory of society' - the view that an explanation of a social phenomenon consists in the discovery of the men or groups who are interested in the occurrence of this phenomenon".
It is the view that an explanation of a social phenomenon consists in the discovery of the men or groups who are interested in the occurrence of this phenomenon (sometimes it is a hidden interest which has first to be revealed), and who have planned and conspired to bring it about (The Open Society and Its Enemies, p. 104).
Our results also explain the rare occurrence of this phenomenon under dark conditions, as well as its seemingly weak connection with atmospheric ions.
Over paper sheet surfaces, occurrence of this phenomenon increases with ageing.
Causal 112 words denoting presumption that occurrence of one phenomenon is necessarily preceded, accompanied or followed by the occurrence of another.
The model allows the conditions to be qualified for the occurrence of the phenomenon.
Various interpretations have been offered to explain the occurrence of the phenomenon, but none of these satisfactorily account for the uneven distribution of abandonment in the city.
