"long persistent" is correct and usable in written English
You can use it to refer to an action, trait, or feeling that has been present for a long time. For example, "Her long persistent efforts eventually paid off, and she got the job she was hoping for."
The hiring of Edwards is the culmination of a long, persistent effort by the N.F.L. to cure one of its ugly blemishes.
Its residues are long persistent in soil, on foodstuffs, and on surfaces to which it may be applied, yet it is also quite volatile, and poisoning by inhalation is a definite risk to anyone handling it or exposed to it.
Of course, if it simply didn't happen at all, to anyone, then readers and movie audiences are entitled to ask what value the story has – except, conceivably, as an image for humanity's long, persistent slog away from the prison of Soviet tyranny.
The mechanism for activation of Cr-related long persistent phosphorescence is discussed.
A long persistent phosphor (LPP) CaZnGe2O6: Cr3+ has been rationally designed and successfully fabricated.
By combining the physical and chemical processes of the photocatalysis and the long persistent luminescence, it is the first time that we design a new concept called the "Long Persistent Photocatalysis (LPPC)".
From the persistent luminescence decay curve measurement after ceasing 450 nm blue illumination, the samples with x = 2.5 exhibited the longest persistent luminescence for 405 min until the luminance becomes 2 mcd/m2 in GAGG Ce-Cr phosphors.
Because infection of the vertebrate host is acute and often associated with disease, continual transmission depends on life-long persistent infection of the invertebrate vector host, for many alphaviruses a mosquito.
Both non-specific, NK-cell mediated, and EBV-specific, T-cell mediated, responses were shown to play important roles during primary infection (reviewed in [6], while EBV-specific T cells appear to be critically involved in restraining the proliferation of EBV infected cells during life-long persistent infection [7], [8].
Adults with life-long, persistent anxiety disorders often report emergence of these problems in adolescence [ 3].
Life-long persistent HCMV infection is linked to the development and severity of the cardiovascular disease atherosclerosis [ 24], with a serological confirmation [ 27, 28].
