The phrase "a persistent series of" is correct and usable in written English.
It can be used to describe an ongoing or repeated sequence of events, actions, or phenomena.
Example: "The study revealed a persistent series of errors in the data collection process that needed to be addressed."
Alternatives: "an ongoing sequence of" or "a continuous chain of".
Stung by a persistent series of legal and regulatory troubles, the company was taken over this year by an investor group that installed Strauss Zelnick as chairman.
A novel that shows a persistent series of defeats, and then tries to still find happiness — that's almost a description of the machine that is "The Escape".
They can wreak havoc on California because El Niño, a weather phenomenon characterized by warm ocean water west of Peru that can cause changes in the atmosphere, can cause a persistent series of subtropical storms to hit the state, one after another.
Under such a strong persistent squeeze, a series of northwestward thrust faults are generated within the cap rock.
This delay seems to be extremely persistent, with a series of longitudinal studies by Ostad [ 39, 40] showing that it lasts at least up until 5th grade for addition and 7th grade for subtraction.
Persistent changes from the mean of the time series cause a persistent change of the slope [27].
Others, such as phenytoin, were discovered as a result of persistent testing of a series of drugs.
Qualifying pneumonia as recurrent or persistent is an interpretation of a series of events and adds to the meaning of the concept of pneumonia and may thus increase diagnostic accuracy.
Beyond Afghanistan, we must define our effort not as a boundless 'global war on terror' – but rather as a series of persistent, targeted efforts to dismantle specific networks of violent extremists that threaten America.
Beyond Afghanistan, we must define our effort not as a boundless "global war on terror," but rather as a series of persistent, targeted efforts to dismantle specific networks of violent extremists that threaten America.
"We must define our effort," the president said, "not as a boundless global war on terror, but rather as a series of persistent, targeted efforts to dismantle specific networks of violent extremists that threaten America".
