The phrase "a relatively long lasting" is correct and usable in written English.
It can be used when describing something that endures or remains effective for a considerable amount of time, but with a degree of comparison implied.
Example: "The new battery technology offers a relatively long lasting performance compared to traditional batteries."
Alternatives: "a fairly durable" or "a somewhat enduring".
Although large-scale interventions to improve the safety of therapeutic injections are limited, several demonstration projects have proven to be effective and relatively long lasting.
As EHEC shedding is known to be relatively long lasting, earlier detection of events and rapid outbreak investigations are important in minimizing the number of infected cases and reducing potential further spread.
27 Exendin is a reptilian peptide with affinity for the mammalian GLP-1 receptor and relative resistance to degradation, resulting in a relatively long-lasting effect.
Naphazoline hydrochloride (pKa = 10.8), chemically designated as 2- 1-naphthylmethyl -2-imidazoline hydrochloride (C14H14N2- 1-naphthylmethyl -2-imidazolinet with marked α-adrenergic activity and is a relatively long-lasting vasoconstrictor with a rapid action in reducing swelling when applied to the mucous membrane [4].
Typically, the PHA response is measured some days (in this study, seven days) after methionine supplementation had stopped and thus describes a relatively long-lasting ontogenetic change in immune defences.
Sweden is located between latitudes 55 and 70°, implying that the prevailing low solar altitude causes a relatively long-lasting ultraviolet radiation exposure of the retina.
The development of mammalian female gametes is characterized by a relatively long interruption, lasting from the formation of oocytes during early embryonic development until their recruitment to complete meiosis after puberty.
They can also last a relatively long period (e.g., ~8 months for the La Soufrière event, Guadeloupe, in 1975 1976), resulting in a difficult scenario that requires managing a complex eruption sequence (Feuillard et al. 1983; Hincks et al. 2014).
In contrast, odor information was emitted from the shocked partner after shocking, but it lasted a relatively long time.
A normal unconditioned response consisted of two components: cardiac deceleration (bradycardia) immediately after US presentation, followed by cardiac acceleration (tachycardia) that lasted a relatively long period.
