The phrase "a certain identification" is correct and usable in written English.
It can be used when referring to a specific but not precisely defined identification or recognition of something.
Example: "In the study, participants were asked to provide a certain identification of their emotional responses to various stimuli."
Alternatives: "a specific identification" or "a particular identification".
The use of an onscene facial photo of bin Laden to get a 95% certain identification in seconds was an example of this capability.
One of the most evident advantages of the thermoanalytical – chemometric approach adopted seems to be that it allows the certain identification of an unknown find composed of a marble known to be present among the reference samples considered, that is, contained in the reference file.
An additional 45 abnormalities might, in principle, be detectable in some form by using lower resolution methods (μMRI, OPT or μCT), but certain identification would again require confirmation by a high-resolution technique.
Yet so far there has been no certain identification of the use of egg as a binder for ancient Egyptian artefacts.
Sergei Yastrzhembsky, Russia's chief spokesman on Chechnya, said today that forensic experts were examining the body retrieved in Chechnya, but that no certain identification had been made.
Others said they believe they saw him on trips earlier, possibly from the middle of the decade, but that certain identification is impossible.
In this paper, we model the epidemic course of a pathogen infection within a semi-closed group which generates clinical signals which do not necessarily permit its ready and certain identification.
Although there are several limitations in this methodology, which can prevent its use in real practice, it could be possible to overcome the drawbacks with the inclusion of some demographic/personal information in the classification process for obtaining "certain" identification.
Goy (1973) published the only European record of this species, as Octotiara violacea, but this reporting should be re-examined due to the state of preservation of the specimen that impedes certain identification (Schuchert 2007).
