The phrase "a narrow part" is correct and usable in written English.
It can be used to describe a specific section or area that is limited in width or extent.
Example: "The path led us through a narrow part of the forest where the trees were closely packed together."
Alternatives: "a tight section" or "a slim area".
Dr. Steiner, who became education commissioner a year ago, said that the exams had tested a narrow part of the curriculum, particularly in math, and that questions were often repeated year to year, with a few details changed, so that a student who had taken a practice test — as many teachers have their students do — were likely to do well.
It was the second such episode this year along a narrow part of the Rio Grande near Donna, about 13 miles northeast of McAllen.
He said Intel was cleared in both cases, except in 1999, when the two parties settled a narrow part of the case that dealt with how Intel gave information to customers who were suing it.
"If you look at the journal, it is clear that the bulk of articles come from a narrow part of the field and reflect a very narrow vision of what scientific research is".
A river contractor, Bruce Slater, and his son used a jet boat to rescue Ms. Hopkins, who had been in the river for two hours and was clinging to a ledge in a narrow part of the gorge too dangerous for bigger boats or a helicopter.
The odds are already stacked against those on low and middle incomes because the audit commission panel handpicked by the prime minister and treasurer represents a narrow part of society, in this case big business (a point well-made by my colleague senator Dastyari earlier this month).
We suggest that to increase the selectivity of Alm K18 channels, positive charges could be engineered in a narrower part of the channel.
His reason for doing so was that the anchor would effectively shift Missouris center of gravity forward to a narrower part of the battleship, thereby reducing the friction at her widest point.
Other sequencing studies have examined more children diagnosed with autism, but involved single siblings with the diagnosis and have focused on a narrower part of the genome – a little more than 1% of the genome that codes the proteins that carry out biological processes.
"If I managed to find incontrovertible evidence from a short, sharp look in a very narrow part of Birmingham, and given the influence some of the people concerned have had in educational circles for many years, without looking in a focused way it's impossible to say that there are not similar problems elsewhere.
