The phrase "of a certain length" is correct and usable in written English.
You can use it when you are referring to a thing that has a specific size, duration, or amount. For example: "The essay should be of a certain length - no more than 500 words."
Audiences are accustomed to scenes of a certain length; often they are awaiting the cut.
In particular, if the basic reproductive ratio of sequences of a certain length exceeds one, then those sequences can attain high abundance.
And so the sentence ceases to be a sentence — a verbal construct of a certain length, velocity and rhythm with, at bottom, an unambiguous literal meaning.
The structure of NARX was designed in such a way that the linear part had infinite memory, whereas the nonlinear part had finite memory of a certain length.
A low intensity time of a certain length was necessary to minimize the contact angle, and consequently, the stationary waveform was inappropriate for the modification.
Audiences are accustomed to scenes of a certain length; often they are awaiting the cut to the next scene with the same anticipation as someone who listens to a certain kind of music and comes to anticipate a chord change.
Some people gravitate to sites where they can reliably find Webcasts of a certain length — say, a three-minute political wrap-up — to minimize both their mouse clicks and the sandwich crumbs that wind up in the keyboard.
Hamilton added that "quotes of a certain length do come under copyright, and it is indisputable that the photographs are owned by various parties", with no permission to use them asked, or granted.
The clones whose 5'-end sequences had no homologies to the sequences in the nr and EST databases in the Genbank and had the possibility of being a certain length of ORF were subjected to full-insert sequencing.
Extensions such as the Great Suspender allow you to suspend the tab and remove it out of memory after a certain length of inactivity without closing the tab in your browser.
This could be due to continuous overexpression of KDM4A-C protein for prolong time (2 3 weeks) which leads to selective growth advantage of clones with a certain length of microsatellite markers.
