The phrase "a valid period" is correct and usable in written English.
It can be used when discussing a timeframe that is acceptable or recognized as legitimate in a specific context.
Example: "The contract specifies that a valid period for submission is within 30 days of receipt."
Alternatives: "an acceptable timeframe" or "a legitimate duration".
A QPF will be specified when a measurable precipitation type reaching a minimum threshold is forecast for any hour during a QPF valid period.
A message can have a lifespan (i.e., valid period).
The devices recorded data in 5 s epochs, a valid capturing period for 8 9-year-old children's movement [27].
Upon recruitment, participants who are prescribed any form of vitamin D (either nutritional or active) at that time will cease to take the medication for 4 weeks, a valid washout period employed by the PRIMO trial, a randomized controlled trial examining the effects of activated vitamin D on cardiac structure in subjects with non-dialysis dependent kidney disease [ 45].
A QPF will be created when precipitation amounts reaching a minimum threshold are expected during the forecast's valid period.
I'm a member of one loyalty program that insists on giving me coupons at the end of my purchase receipt that I'm supposed to save and bring in during the next valid period of use, which is always sometime in the future, like a week out or more.
Compared with 16 adjacent wells of steam soaking, microbial enhanced oil recovery has long valid period and better economic benefit.
The year 1500 did not provide a genuine dividing point, and later historians have generally marked the end of the first valid "period" in typographic history at around 1540, after which the importance of experiments with typefaces tended to be ignored, if not disapproved of.
Channel list refresh period (CLRP): 1,440 min; Channel list request timer (CRT): 5 s; ID verification request timer (VRT): 5 s; Registration valid period (RVP): 90 days.
For example, Guizhou Province determines the amount of bond according to mineral type, the designed mining scale, and the valid period of the mining permit.
