The phrase "a restricted portion of" is correct and usable in written English.
It can be used when referring to a specific, limited segment or area of something, often in contexts like data, resources, or physical spaces.
Example: "The study focused on a restricted portion of the population to ensure accurate results."
Alternatives: "a limited section of" or "a confined part of".
In addition, we used early forest inventory data, which were available for a restricted portion of our study area, to assess the role of white cedar early dynamics in the success of its subsequent development.
Results highlighted a 'people-selective, heteromodal' region in the trunk of the right STS which was activated by both faces and voices, and a restricted portion of the right posterior STS (pSTS) with an integrative preference for information from people, as compared to objects.
We can think of experience as presenting the subject with a restricted portion of the world.
This was truly a world system, even though it occupied only a restricted portion of the western Old World.
From a dynamical perspective, the consistent encoding of incoming information could still be achieved if the neuron state is driven to a restricted portion of its state space before receiving its temporally-structured inputs.
This task could be accomplished by network oscillations [30], [65]: periodic inhibition could format the continuous stream of incoming synaptic events in blocks of fixed temporal duration, by driving the neuron to a restricted portion of its state space at each peak of the total inhibitory drive [66].
To provide a comparison with the cryo-EM results reported below, a simulation of the L = 25 construct was also carried out at T = 140 K, just above the water glass transition temperature; under these conditions, folded ADR1a is found in a more restricted portion of the exit tunnel, with His21 located 65 67 Å from the tRNA.
It could be that changes of glycosylation induced by increased ST3Gal-I only affect a specific and restricted portion of the tumor glycoproteins, which would not be detected using this gross analysis.
Stationary telescopes like Arecibo can't collect the same types or amounts of data as the GBT because of the restricted portion of the sky they cover.
The leading hypothesis on the nature of callosal connections is that they replicate general features of corticocortical connections, including intra-areal ones, albeit for the restricted portion of the visual field straddling the vertical meridian (Hubel and Wiesel 1967; Innocenti 1986; Kennedy et al. 1991).
People will be unable to spend the restricted portions of their payments on alcohol products or gambling services or withdraw those amounts as cash.
