The phrase "a possible existing" is not standard in written English and may cause confusion.
It can be used in contexts where you are discussing something that may or may not exist, but the phrasing is awkward and could be improved for clarity.
Example: "We need to investigate a possible existing solution to this problem before we create a new one."
Alternatives: "a potentially existing" or "an existing possibility".
The chemical space X is a set of chemical compounds represented by the combination of all possible existing chemical descriptors, and for a given endpoint there is a collection of existing models ℳ.
The knowledge of all possible existing pleural tumour histotypes is important to perform an adequate differential diagnosis, provide a more precise prognosis and correct management of the patient.
Following from the results from identifying and prioritising hazardous substances, the approach here is to identify, document and store a wide range of possible (existing) technical and non-technical abatement options [17, 21], and to develop and use an intervention database as well as guidance and decision support on how to select between abatement options.
Then, we invented and evaluated a new multi-dimensional encryption key generation algorithm after evaluated several possible existing encryption key generation algorithm.
It is possible existing French forces in Mali could be used.
Possible existing software includes business management software, production management software, control and regulation software and so on.
Greenhouse gas would be transported to the Shell-operated Goldeneye gas field in the North Sea using, as far as possible, existing pipeline infrastructure.
The greenhouse gas would then be transported to the Shell-operated Goldeneye gas field in the North Sea using, as far as possible, existing pipeline infrastructure.
To investigate the metamorphic temperature conditions and possible existing friction heat anomaly of the CMVs, laser Raman measurements were conducted onsite within thin sections.
For this project, wherever possible, existing instruments will be used rather than developing new measures.
