The phrase "an emphasis upon" is correct and usable in written English.
It can be used when discussing the importance or focus placed on a particular subject or idea.
Example: "The report places an emphasis upon the need for sustainable practices in the industry."
Alternatives: "a focus on" or "an emphasis on".
A keen understanding of the importance of hygiene in preventing illness was reflected in an emphasis upon bodily cleanliness.
It is a is a political ideology which combines a focus upon Sinhalese culture and ethnicity with an emphasis upon Theravada Buddhism.
As the students got busy (or, in a couple of cases, benignly goofed off), Mrs. Petrash recited for my benefit their strengths and weaknesses, with an emphasis upon the former.
Bourguiba's reform plans called for universal primary education, an emphasis upon vocational training, expansion of the higher levels, incorporation of the Qurʾānic schools into the modern system, and the promotion of women's education.
One critical source of the contemporary repudiation of censorship in the West depends on something that may be distinctive to modernity, an emphasis upon the dignity of the individual.
Empfindsamer Stil, ( German: "sensitive style") also called Empfindsamkeit ("sensitivity"), important movement occurring in northern German instrumental music during the mid-18th century and characterized by an emphasis upon the expression of a variety of deeply felt emotions within a musical work.
Instead, the emphasis in this administration has been on wars about oil and on tax cuts for the rich, an emphasis decided upon by those who can well afford to buy a good education for their offspring.
Even in Lutheranism, however, there has been a demand for a stronger emphasis upon the independent episcopal character of the superintendent's or president's office.
So each party places a different interpretation, a different emphasis upon aspects of the document and draft clauses.
Kent says that Charter's first priority under Allen's ownership is "to change our mindset from having financial investors [and an] emphasis upon quarterly increases in cash flow and subscriber growth".
However, as Augustine's views on human agency develop, this picture is complicated by an increasing emphasis upon non-rational factors that influence our behavior and by a tendency to regard intellectualism as insufficient to explain the dynamics of human agency.
