The phrase "an extensive part" is correct and usable in written English.
It can be used to describe a significant or large portion of something, often in contexts discussing contributions, sections, or elements of a whole.
Example: "The report includes an extensive part on the environmental impact of the project, highlighting various factors that need to be considered."
Alternatives: "a significant portion" or "a large segment".
These sediments cover an extensive part of southern Africa and form a low-relief landscape.
This lack of experienced professional authority or teacher agency was an extensive part of our wider research, and will be discussed in another paper.
In Ghana, a study done by Twumasi et al. (2006) revealed the degradation of an extensive part of coastal areas along Accra by human activities such as the dumping of refuse and sand, coupled with mining of seashore sand for building purposes.
Peer review is already an extensive part of the trial development process.
For instance, over the past century, the blue-winged (Vermivora pinus) warbler has rapidly replaced the golden-winged warbler (V. chrysoptera) over an extensive part of their hybrid zone in eastern north America.
The transgenic mouse PS1xAPP, which reproduces the human pathology and shows neuroinflammation and cortical neurodegeneration, also presents temporal and regional age-dependent vulnerability, the entorhinal cortex being the first area affected, followed by the hippocampus and subsequently an extensive part of the cortex.
Although a polar effect on the downstream genes thiSGF is not experimentally verified, such an effect would furthermore affect a more extensive part of the thiamine synthesis.
However, if professionalism is to become a more extensive part of any formal curriculum there are many challenges to grapple with including whether and how to assess a student's professionalism.
The training course was given by a researcher and a psychologist, its duration was 90 minutes and it consisted of a short theoretical part and an extensive practical part.
With the use of medicines being a broad and extensive part of health management, mechanisms to ensure quality use of medicines are essential.
The gaze-following test was part of an extensive two-part cognitive battery ('Vienna Canine Cognitive Battery', Wallis et al., n.d)., in which all dogs participated.
