The phrase "a prolonged state" is correct and usable in written English.
It can be used to describe a condition or situation that lasts for an extended period of time.
Example: "The patient was diagnosed with a prolonged state of fatigue that required further investigation."
Alternatives: "an extended condition" or "a lengthy period".
Economics- The article notes that Germany's economy is "in a prolonged state of stagnation".
All this indicates a prolonged state of fluidity with respect to the canonization of the Ketuvim.
Until recently, inflation seemed to be dead or, at least, in a prolonged state of remission.
Mohammed was kept in a prolonged state of sensory deprivation, during which every point of reference was erased.
At the height of the Gorbachev period, late 1987-89, the literary world lived in a prolonged state of euphoria.
In an addict, arousal leads to a prolonged state of erotic chase, which "only needs to be physically consummated occasionally".
The state-first approach carries other significant risks: it threatens to transform any final status negotiations into a prolonged state-to-state dispute whereby the fate of Palestinian refugees, the future of Arab Jerusalem and other critical issues will be indefinitely deferred.
For example Trzepacz and Baker (1993) describe affect as "the external and dynamic manifestations of a person's internal emotional state" and mood as "a person's predominant internal state at any one time", whereas Sims (1995) refers to affect as "differentiated specific feelings" and mood as "a more prolonged state or disposition".
The lack of a continuous prolonged state of one limiting substrate will allow multiple hydrogenotrophic SRB to coexist.
The government is in a strange and prolonged state of paralysis.
The absorptive state was adapted to simulate a prolonged starvation state.
