The phrase "a duration of around" is correct and usable in written English.
It can be used when estimating or approximating a length of time for an event or activity.
Example: "The meeting will last for a duration of around two hours."
Alternatives: "approximately" or "about".
We can also observe that the LOS path is crossed by three persons at around 5, 12, and 17 seconds with each shadowing event having a duration of around 1.5 s.
Typical discharge potentials amount to −900 V with a duration of around 30 μs.
The mission was to Barnard's star 5.9 light years away in a duration of around 50 years.
Consequently, the high temperature is achieved not by placing the sample in a furnace, but by means of the heat generated by exothermic chemical reaction that sustains the high temperature for a duration of around 30 45 s to form the desired end-product of the reaction.
These adventures have a duration of around 30 minutes.
Consequence of Sound writer Chris Coplan reported that the remix had a duration of around eight minutes, commenting that "the formerly artsy number is chopped and screwed into a bass-heavy club anthem, with the emotionally-frozen vibe melting to the sheer heat produced by random samples and various chunky synth lines".
Patients commonly presented with a duration of symptoms around 2 to 12 months; however, about 20% of patients in this study suffered from symptoms of more than one year and one patient for 5 years.
Simulation results show that, in comparison to other works, the proposed protocol achieved an increase in the average cluster head duration of around 18%, an increase of 13% of member vehicles, a decrease of 3% of cluster head changes, and a reduced amount of clusters by around 11%.
Excitation pulses at 1300 nm (0.95 eV) were generated by noncollinear optical parametric amplification (NOPA) in a β-Barium borate (BBO) crystal, with pulse duration of around 150 fs.
These agree with Fize (1956), who reported that incubation period is 28 days, while other studies showed that there is a long duration for eggs of 0.4 mm diameter at a temperature around 25 °C a duration of 15 days or less is typical (Hartnoll, 1965; Warner, 1967; Wear, 1974).
In larger series, the incubation period before developing features of SJS ranges from 10 240 days with a median duration of around 12 days.
