The phrase "as persistent in" is correct and usable in written English.
It can be used to compare someone's persistence in a particular action or behavior to another subject or context.
Example: "She was as persistent in her studies as she was in her athletic training."
Alternatives: "equally persistent in" or "just as persistent in".
Good-government groups are taking a wait-and-see attitude on whether the office will be as persistent in going after Republicans now as it was in investigating Democrats when they were in the majority.
But a worrying possibility is that high unemployment could prove as persistent in Asia as in Europe.In the three economies hit hardest by the region's economic turmoil—Indonesia, South Korea and Thailand jobless rates have roughly doubled already.
For registration of chemicals, bioaccumulation assessment is exemplified for agricultural pesticides: In the EU, pesticides having a log KOW > 3 or other evidence for increased bioconcentration potential and which are regarded as persistent in water (<90% substance loss by hydrolysis in 24 h) have to be tested in bioconcentration studies [6].
It wasn't clear what the aggravating factors were, but reporters at the scene described him as persistent in the matter.
Overall, 38.7% (n = 303) of patients were defined as persistent in their initial treatment period.
In addition, the source cannot always be treated as persistent in space or time, primarily because of the biological and physical processes that regulate its expression, as described above.
These categories were distinct from those for the two-week sampling intervals in which infections were categorized as "persistent" if present in two or more consecutive visits, "transient" if detected without persistence, and "absent" if never detected.
Although pancetta and pecorino are delivered right to his door, Mr. Casella has proved himself as persistent as his father in a somewhat different realm: the paper chase.
Erdogan has been criticized in recent weeks for his ham-fisted handling of protests in Turkey as persistent allegations of corruption against him and associates circulate widely on social media.
A gene is classified as persistent if it is found in more than 90% of the organisms examined.
Thus, in two-object versions, the observed action can be construed both as persistent and selective, whereas in the one-object version, the action can be construed only as persistent.
