'product unit' is correct and usable in written English.
You can use the phrase to refer to a single item or unit of a product, for example: "We are selling 100 product units at the discounted price".
Price increase factor for production each product unit at each plant i.
Production cost of each product unit at each plant i at the beginning of time horizon planning.
The first model of Wright (2012) describes the learning rate as a relative decrease in average costs per product unit over the whole history of production.
Similarly, the energy intensity is the energy used to produce one product unit.
The product unit cost is minimized while the exergy efficiency is maximized using the genetic algorithm.
A product unit, for example, developed its own functional expertise distinct from the functional units at the next level up.
Microsoft has likewise moved away from a desktop model, according to Hillel Cooperman, a product unit manager on Microsoft's Windows User Experience team.
Two objective functions are considered, trigeneration exergy efficiency and the total product unit cost, with the aim of maximizing the trigeneration exergy efficiency and minimizing the total product unit cost.
