The phrase "ascertain during" is correct and usable in written English.
It can be used when referring to the process of finding out or determining something within a specific timeframe or event.
Example: "We need to ascertain during the meeting whether the project is on track."
Alternatives: "determine during" or "find out during".
"That kind of data is difficult to ascertain during conflict, due to the widespread upheaval, displacement and intense fear that characterises life for civilians – especially women and girls – as they flee for their lives," she says.
It also attempted to ascertain during what trimesters this occurred but did not receive a high compliance rate with this question (32.1% of subjects).
Respiratory illnesses, for example, are higher in the cold and flu season, which makes potential air pollution effects more difficult to ascertain during the cold season.
In 19 cases, authorities said this fact was ascertained during the encounter.
Upon the receipt and analysis of the information by the Bank of Lithuania regarding alleged violations and alleged criminal offences against the financial system of our country, property and civil service which were ascertained during the inspection of the Snoras, on 14 November the prosecutor general's office commenced a pre-trial investigation.
Finally, we show how the correctness of hypothesised types can be ascertained during the interaction via an automated statistical analysis.
The aim of this study was to assess similarities and differences between methods of performance comparisons under binary (yes or no) and receiver-operating characteristic (ROC type pseudocontinuous (0 100) rating data ascertained during an observer performance study of interpretation of full-field digital mammography (FFDM) versus FFDM plus digital breast tomosynthesis.
Leisure-time physical activity in the past month was ascertained during the home interview.
Gout flares were ascertained during follow-up.
Gout flares were ascertained during the follow-up period.
Incident cases (age 1 14 years) were rapidly ascertained during 1995 1999.
