The phrase "a large scale expansion" is correct and usable in written English.
It can be used when discussing significant growth or increase in size, scope, or capacity in various contexts, such as business, infrastructure, or projects.
Example: "The company announced a large scale expansion of its manufacturing facilities to meet increasing demand."
Alternatives: "a significant expansion" or "a major expansion".
It would be anticipated that a larger scale expansion of patient-derived lymphocytes would be required.
Now set for a large-scale expansion and redevelopment involving the construction of 70,000 more homes, the city is to have its own "lead artist".
The C.I.A. had minimal capacity to conduct paramilitary operations with its own personnel, and it did not seek a large-scale expansion of these capabilities before 9/11.
Mr. Diamond just completed a large-scale expansion of Barclays Capital that turned the London-based bank into a top player on Wall Street.
Because most ethanol is made from corn, a large-scale expansion of production would be limited by land availability – and there are fears it could supplant food crops and drive prices untenably high.
Gannett's results were announced amid a large-scale expansion at the company, which has over the last year bought two newspaper companies in Britain, 21 daily newspapers from Thomson Newspapers Inc. and, most recently, Central Newspapers Inc., the publisher of The Arizona Republic and The Indianapolis Star.
In a speech to about 2,500 members of the federation, the nation's second-largest teachers union, at a convention in Washington, Ms. Feldman plans to propose a large-scale expansion of Head Start, the decades-old preschool program for poor children, to make it available on a sliding fee scale to all families.
As it turns out, around this time Bantu farmers an African ethnic group—had begun a large-scale expansion across Central Africa and settled in the rainforest.
This paper makes a preliminary assessment of the types and numbers of engineers required to sustain a large-scale expansion of offshore wind energy in the EU and draws lessons for universities.
To accomplish this task, given the fact that a large-scale expansion in biofuels affects a broad range of economic activities at a global scale, a global computational general equilibrium (CGE) model is developed building on the recent work of Taheripour et al. [7] (henceforth THT).
