The phrase 'emphasis placed upon' is correct and usable in written English.
You can use this phrase when you want to emphasize the importance of something. For example, "Much emphasis has been placed upon the study of mathematics in our school."
This article provides an overview of the mechanical properties of materials with particular emphasis placed upon orthopaedic biomaterials.
"There is going to be much more emphasis placed upon privacy protections in the next two years than we have seen in the last 12 years," said Representative Edward J. Markey, Democrat of Massachusetts and a longtime privacy advocate.
That's also the reason for the emphasis placed upon them and for the "more intimate" and direct creative approach, said Dennis Ryan, the creative director at J. Walter Thompson, who was in charge of the ads.
These clubs were strongly opposed at first by both publishers and booksellers, who disliked the additional emphasis placed upon the potential best-seller, but they came to supply a genuine need.
In this study, field stratigraphy, optical dating, and hydraulic modelling are used to investigate changes in catchment sediment yield and storage in the Lake Burragorang catchment in Australia with emphasis placed upon changes occurring since European settlement in A.D. 1820.
Students work in small teams to execute a substantial term project, with emphasis placed upon developing creative designs - via a deterministic design process - that are developed and optimized using analytical techniques.
Special emphasis is placed upon the investigation of stress concentration phenomena as they occur at straight free edges and at free corners of arbitrary opening angles in composite laminates.
"Emphasis is placed upon destruction," colonial officials in Kenya were told.
Emphasis is placed upon the necessity for co-ordinating human and plant nutrition.
Carts have been made in several ways, with emphasis usually placed upon simplicity of construction.
