The phrase "at a certain interval" is correct and usable in written English.
It can be used to describe actions or events that occur repeatedly over a specified period of time.
Example: "The maintenance team checks the equipment at a certain interval to ensure everything is functioning properly."
Alternatives: "at regular intervals" or "periodically."
A detector bias voltage cycle which brings the voltage instantaneously to zero at a certain interval is applied to eliminate the effect of polarization.
The reactant 2-propanol is supplied as a spray pulse of a certain amount (1 to 1.5mmol) and at a certain interval (0.5 to 6s) on a Pt/Al2O3/Al catalyst kept at 368 K.
Compared with conventional bridge decks, the anti-freezing bridge deck has a phase change functional layer which consisted of high strength seamless steel pipes paved parallelly at a certain interval, and the liquid phase change materials are filled in the pipes.
Spikelets that flowered at the same time were marked with a water-based marker, and 20 30 developing karyopses per cultivar were collected at a certain interval.
However, it is worthwhile noticing that decisions in each interval affect the network state directly, and the outcome at a certain interval depends on the states in previous ones, the optimal solution needing to consider this dependency.
In the context of carbon monitoring, which requires repeated acquisitions at a certain interval, it is likely that each survey will be carried out using different sensors or flight configurations.
In such tasks, a reward is scheduled at an option after a certain interval and remains available until it is harvested.
This indicates that the electron precipitation in the moving cusp aurora is maintained at a high flux level over a certain interval from its starting time.
However, we expect these two nodes to remeet again within a certain interval of time, or at least within a certain time interval with a certain probability.
The sample is rotated 180° at a certain angular interval determined by the targeted linear resolution.
At a certain time interval, three flasks were fetched for analysis of DCW, lipid content, intracellular Monascus pigment concentration, and extracellular ones.
