The phrase "a similar duration" is correct and usable in written English.
It can be used when comparing the length of time of two or more events or activities.
Example: "The two meetings had a similar duration, lasting approximately one hour each."
Alternatives: "an equivalent length of time" or "a comparable time span."
He says it is directly comparable to Viagra and acts for a similar duration, but cites significant differences.
If this eruption has a similar duration then ash could periodically present a problem in British air space.
To adapt to these truths, the Pentagon is apparently migrating toward a modified version of the approach that the Soviets came to as they prepared to withdraw after a similar duration of their own war.
Mr Bishop said it would be "inconceivable" that the family courts would approve the kind of reduced settlement Mr Lawrence was seeking in the context of a heterosexual marriage of a similar duration.
A shaped rf pulse in a realistic MRI experiment has a similar duration and repetition rate.
In this prospective study, patients with VAP (n = 24, microbiology confirmed) were compared to controls (n = 19) with a similar duration of mechanical ventilation.
In cultures containing 0.5 and 1 M NaCl, the lag phase had a similar duration (48 56 h) than that of the culture without salt.
Specifically, VP88GFP entry into and condensation in the VAS occurred within a 6-h duration, a similar duration was observed also for the release of VP88GFP-containing SGIV out of the cell.
We therefore included as a final control, 4 skin biopsies from patients with a similar duration of disease (5 6 years from diagnosis).
A similar duration distortion was found in both the repeated and sequential stimuli, but not in the scrambled version (Figure 5).
To construct comparable groups across cohorts, we defined the active category by a similar duration, frequency, and/or intensity of LTPA within age groups with the aim of having similar frequency of inactive subjects across cohorts.
