The phrase "a segment of this" is correct and usable in written English.
It can be used when referring to a portion or part of a larger whole, often in contexts such as analysis, discussion, or description.
Example: "In our analysis, we will focus on a segment of this data set to better understand the trends."
Alternatives: "a portion of this" or "a part of this".
Figure 20.5 shows a segment of this sorted order.
Like the narrator of a segment of "This American Life," Kevin builds empathy with sauntering stealth.
A segment of this work reviews and explores the interconnectivity between river ice processes and river discharge as well as between river ice processes and channel morphology.
MR. SEHRING: I also think there is a segment of this new generation of filmmakers and filmgoers that relate to these new platforms and digital technology in a completely different manner than an older generation of filmgoers.
The study formed the basis for a segment of "This American Life," and was featured on Science Friday and in the New York Times, the Wall Street Journal, and the Washington Post.
As a professional with 30 years of experience with children on the autistic spectrum, I can tell you emphatically that secretin does work with a segment of this population.
Industry captured an organization that is supposed to represent a segment of the public – this organization is the NRA.
What I meant to say was that gay people are more affectionate and intense and for a segment of the TV audience this would be too racy to accept.
This is a segment of the population that can no longer be ignored.
We know this is a segment of the market which lacks a real good player, a house that allies to authenticity and tradition, but with style and sophistication.
"This is a segment of the economy that is continuing to see very resilient demand," he said, pointing to the huge sales of the Apple iPhone 3G last week.
