The phrase "ascertain the basis" is correct and usable in written English.
It can be used when you want to determine the underlying reasons or foundations for something.
Example: "Before making a decision, we need to ascertain the basis for the proposed changes to the policy."
Alternatives: "determine the foundation" or "establish the rationale".
Additional ultrastructural analyses were performed to ascertain the basis for GFP immune reactivity in EDCs from MLC2v-Cre/ZEG double-transgenic mice.
From the evidence presented by the manufacturer, it was difficult to ascertain the basis of the assumed stage 2 mortality rates.
In order to ascertain the basis of the morphology of nootropic action of clau, the effect of clau on brain development was studied.
Lastly, we could not determine whether blood culture results had additional benefits for clinical decision-making regarding the management of the sputum smear-negative participants and we could not ascertain the basis for the clinical decisions made by the attending physicians.
"Although 412 paragraphs long, the court's findings do not contain a single citation to the record," the brief says, "making it impossible to ascertain the purported basis for many findings and thereby compounding the many evidentiary errors at trial".
Although 412 paragraphs long, the court's findings do not contain a single citation to the record, making it impossible to ascertain the purported basis for many findings and thereby compounding the many evidentiary errors at trial.
Bacon came to the fundamental insight that facts cannot be collected from nature, but must be constituted by methodical procedures, which have to be put into practice by scientists in order to ascertain the empirical basis for inductive generalizations.
The present study aimed to determine the locomotor and social behaviours of rainbow trout (Oncorhynchus mykiss) during waterborne exposure to single-walled carbon nanotubes (SWCNTs), and to ascertain the physiological basis for any observed effects.
Along this vein, although our results were relatively robust to genetic architecture, it is necessary to better understand and ascertain the genetic basis of complex traits.
