"evidence of occurrence" is correct and usable in written English.
You can use it when discussing the evidence that something took place. For example, "The police collected evidence of occurrence at the scene of the crime."
The activities of the NORMAN network address emerging contaminants in all environmental compartments, covering all steps, from first identification of a potential new emerging substance based on evidence of occurrence in the environment and / or identification of effects on the ecosystems and human health, down to confirmation of its status as a future regulated priority pollutant.
There is more consistent evidence of occurrence of skin diseases in glass fiber workers [ 10, 11].
At presentation, we had no evidence of occurrence of concomitant colonic cancer in the patients.
Data from Brazilian cancer registries do not show any evidence of occurrence of gastric adenocarcinoma in children or teenagers [ 13].
Mosquitoes from Malaita were sampled to achieve confidence in sister lineage assessment (e.g. [ 10, 11, 22]); to date, no evidence of occurrence of An. irenicus has been found on Malaita ([ 2], personal observation).
Although isolation of influenza A virus from RT-PCR positive samples in this study was not successful, RT-PCR results provide the first evidence of occurrence of these viruses in waterfowl, poultry and swine in Uganda.
Comparison of the two design protocols provided convincing evidence of the occurrence of SMI influenced by subliminal suggestions.
Obviously, the remanence ratio of original HA was close to 1, which was another evidence of the occurrence of magnetic moment rotation.
H2CO is also seen upstream of the transition point, providing further evidence of the occurrence of preignition reactions in the apparent lifted region of these flames.
Therefore, here we provide only theoretically grounded [32, 33] explanation without any direct evidence of their occurrence.
It was found that the melt viscosities were increased by the addition of PSF-g-MAH, which also gave an evidence of the occurrence of interaction between phases.
