The phrase "a extensive study of" is not correct in written English.
The correct form should be "an extensive study of" due to the vowel sound that begins the word "extensive."
Example: "The researchers conducted an extensive study of climate change impacts on local ecosystems."
Alternatives: "a comprehensive study of" or "a thorough examination of".
Upon retirement, Shelly devoted himself to the development and management of an investment program, an extensive study of the sciences, and to writing a book which integrates scientific theory with a discussion of personality characteristics.
Marcotte [20] conducted an extensive study of a continuous and nonlinear design problem where the problem was reformulated as a bi-level programming problem.
For instance, Mörchen et al. [47, 48] performed an extensive study of a large set of bag-of-frames features that were obtained from a cross-product of general short-term features using several temporal aggregation methods.
The objective is to suggest a simulation procedure suitable for an extensive study of the behaviour of WEC systems and thus for the fatigue analysis of mooring lines.
To develop a complete model of the self-loosening behavior of a transversely excited bolted connection, an extensive study of the mechanisms of bolt self-loosening is presented here.
A similar trend has been noted in an extensive study of trends of breast cancer incidence in women in Singapore, a country that is characterised by the same major ethnic groups, albeit in significantly different proportions [25].
He feels that the ideal college would "small co-educational, and under the leadership of some man familiar with the labor movement... "I can think of no age in which it is more futile for a young man to turn to an extensive study of Greek verbs".
In contrast, such a correlation was not found in an extensive study of the Italian flora (Bedini et al. 2011).
William J. Trainor Jr., a professor at East Tennessee State University, conducted an extensive study of market volatility at the beginning and the end of the market day and concluded that E.T.F.
Motivated by an extensive study of classical differential inclusions, a significant work has also been established for fractional differential inclusions.
Using a globally-distributed monitoring infrastructure, it performs an extensive study of the Gnutella filesharing network, characterizing its topology, data, and query workloads.
