The phrase "ascertained which is" is not correct in standard written English.
It is unclear and lacks proper grammatical structure, making it difficult to determine its intended meaning.
Example: "The committee ascertained which is the best course of action after thorough discussion."
Alternatives: "determined which is" or "established which is".
"If two people say different things and there is no way to ascertain which is telling the truth, my policy would be to tell them both that it was not something we would tolerate, but all we can do is provide separate working environments for the two," he said.
Therefore, it is difficult ascertain which is the main cause for the decrease in HDS activity.
A relatively safe and low-impact study comparing two widely used drugs to ascertain which is best seems morally permissible, even without a full-fledged informed consent process (Truog et al. 1999).
To ascertain which is the best monster, then, we must first design a matrix of characteristics by which to judge each monster.
We asked them about characters, plot points and dramatic moments to see how one differs from the other, and to try and ascertain which is more worthy of your time.
Often they hover over and seem to threaten such male figures as the Mughal emperors Akbar Shah, Shah Jahangir, and Shah Jahan (though in their expressionist renderings it can be difficult to ascertain which is which without having a keen memory of their portrait miniatures).
The existence of different solutions is a source of uncertainty, since all of them are subject to limitations and it is difficult to ascertain which is the most appropriate.
This feature makes difficult to ascertain which is the exact way DPP IV plays in cancer, and further investigations are required to elucidate the concrete molecular mechanisms of this glycopeptidase in renal tumor biology.
There appears to be no obvious way to choose between the candidates and to ascertain which are valid as the conclusions differ depending on the selected criterion.
As was the case for DGRF-2010 and IGRF-2015, there are clearly features in some models which are not in consensus with others, though it is impossible to ascertain which are valid.
