The phrase "a study has been completed" is correct and usable in written English.
It can be used to indicate that a research project or analysis has been finished.
Example: "After months of research and data collection, I am pleased to announce that a study has been completed on the effects of climate change."
Alternatives: "a study has been conducted" or "a study has been finalized."
A study has been completed examining design issues concerning the interpretation of and dissemination of multimodal medical imaging data sets to diverse audiences.
That is why a study has been completed on around twenty schedules of technical conditions for the buying of scan or anaesthesia equipment.
The head of Oklahoma's Department of Corrections last week requested a stay of all executions in the state until a study has been completed to find out what went wrong and new procedures have been put in place.
Until such a study has been completed, use of this physiological variable in the perioperative setting should be considered with care [ 8].
The system based on Tesla M2070 incorporates Fermi technology, but due to a scarce number of devices available, a scalability study has been completed with a system based on 4 Tesla C1060 GPUs that allow projections be made of parallel efficiency rates in more modern systems.
A feasibility study has been completed and the project was now taking shape, the council said.
A comprehensive study has been completed in relation to the accident analysis of RBMK with key results documented in three companion papers in the present journal volume.
A chemometric study has been completed in order to investigate the relative contributions and interactions between the many experimental variables involved in SBSE-TD-CGC.
It is hoped the finds will go on display at Basingstoke's Willis Museum when a full study has been completed.
Protocols to conduct multicentre clinical observational studies and joint studies on cognitive function, biomarkers, genetics, and neuroimaging are in progress; a pilot study has been completed on strategies for routine implementation of psycho-education.
In the second part, a theoretical study has been completed to assess the power removal capability by NC from the core of a PWR having the current geometric configuration.
