The phrase "a occurrence of" is not correct in written English.
The correct form should be "an occurrence of" due to the vowel sound that begins the word "occurrence."
Example: "There was an occurrence of unusual weather patterns last year."
Alternatives: "an instance of" or "a case of".
Samples were from animals belonging to infected herds with high a occurrence of Johne's disease, based on the serum antibodies produced in response to MAP infection using the ID-screen® test (Id.Vet Montpellier, France).
(A ) Occurrence of short loops of length ≤10 in first loops or other loops.
Besides this we ensure high discriminative power by using the following filters: a) Occurrence of the sequence in the stem region of the precursor b) Presence of IsomiRs c) Presence of minor/star sequences.
Clicking a link implies an occurrence of watching a video or reading the material.
More exactly, φ exhibits modality de re if there is a subformula of φ of the form ⌈◻ψ⌉ or ⌈◇ψ⌉ containing either an occurrence of a name or a free occurrence of a variable.
We arbitrarily defined an occurrence of a motif as a sequence with at least 9 bits of individual information [ 39].
We next define the notion of an occurrence of a variable being free or bound in a formula.
We cannot directly intuit that an occurrence of a proper name in the scope of an attitude verb has the same reference as an occurrence of that name outside the scope of that attitude verb.
This category regroups patterns triggered by an occurrence of a specific events.
If just one side of the identity formula has an occurrence of a denotationless term, this identity statement is false.
If an occurrence of a certain base was found, the corresponding base was linked to the interrogated probe.
