The phrase "range of hours" is correct and usable in written English.
It can be used to describe a specific span of time during which something occurs or is available.
Example: "The store operates within a range of hours from 9 AM to 9 PM."
Alternatives: "hours of operation" or "time frame."
One challenge, he told me, will be channeling the river of people who want to visit into the narrow range of hours in a week when he still has the energy to engage them.
The filtration time was thereby reduced from the range of hours down to minutes.
Structure transitions are fast and fully reversible under acidic conditions, while an extremely slow process in the range of hours could be observed in phosphate buffer.
The range of hours per month was between 0 and 14 shifts/month for the first year and 0 and 9.75 shifts/month during the second.
For 5 kPa (red), the maximum value of seismicity is 1.8 events per hour but the tail is only in the range of hours.
The results indicate the existence of different flow regimes: (1) a quick component with residence times in the limestone in the range of hours to days.
All patients received parenteral supplements, the median (range) time to start was 2.7 hours (2.0 3.8 hours) and 78/80 (98%) received enteral supplements with a median (range) of 2.6 hours (1.9 4.5 hours) from randomization.
The mean interview time was 1.8 hours with a range of 0.56 hours to 2.5 hours.
While most states require around 1,600 training hours before you get your license, some require a lot more or less, falling in the range of 1,000 hours and 2,300 hours.
A major strength of this study is the use of a full range of working hours including short working hours, instead of narrowly focusing on overtime.
Eighteen children with autism (mean age: 45.7 months; range: 28 64 months) received ABA-based treatment (a median of 3.5 hours per week; an interquartile range of 2 5.6 hours per week) and/or eclectic treatment-as-usual (TAU) (a median of 3.1 hours per week; an interquartile range of 2 5.6 hours per week).
