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"a range of duration" is a grammatically correct and usable phrase in written English.
It can be used to describe a span of time or length of time that is not specific or exact. Here are some examples of when you could use it: 1. The concert will last for a range of duration, anywhere from one to two hours. 2. The meeting was scheduled for a range of duration, but it ended up lasting only 30 minutes. 3. The study found that children's attention spans have a range of duration depending on their age and developmental stage. 4. The game show contestants were given a range of duration to complete each challenge, but some completed them much faster than others. 5. The construction project is expected to have a range of duration of three to six months, depending on weather conditions.
Exact(3)
That said, we do observe a range of duration from 1 – 85 years with 10% of our immigrant observations residing in the UK for less than 8 years and 5% for less than 3 years.
Because each athlete was expected to run a different total volume of training each week, coaches gave athletes a range of duration (minutes) of training each day depending on the athlete.
Based on available data, it appears that each product provides a range of duration, generally 3 to 5 months.
Similar(57)
The aim of this work was to compare the performances of 21 non-selective refocusing pulses spanning a range of durations and SAR levels.
The use of a range of durations, rather than a single duration, made it possible to test for a duration of treatment effect.
The convergence was abrupt even though a range of durations for afferent input was a feature of the model.
Furthermore, on the technical level, one must produce a time-dependent description the expression of DnaA over cell-cycles of a range of durations.
This study benefited from the measured maternal serum concentrations over a range of durations of breastfeeding, but is not longitudinal, because repeated measured concentrations were not collected during the course of breastfeeding to allow a direct estimate of actual change.
Although in normal behavior, the duration is given by the main sequence, we will consider a range of hypothetical durations and for each duration calculate the trajectory that produces the smallest variance in saccade endpoints, averaged over a 50 ms post-movement fixation period [13].
The first group consisted of patients with type II diabetes (mean age 70 ± 12 years), with a range of disease duration from 8 to 20 years.
A range of pulse durations between 12 ns and 200 ns was employed.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com