"process of building up" is correct and usable in written English.
You can use it to refer to a gradual increase in something, such as knowledge or skills, over time. For example, "My greatest strength is my process of building up technical knowledge over the years."
Providing light is just the beginning of the process of building up communities.
Both museums are in the process of building up their own permanent collections through long-term loans, gifts and purchases.
If You Go Though Zakarpattia is in the process of building up its tourist infrastructure, many travelers might find things a bit rough, to put it mildly.
I've always said, as your leader, that the process of building up the Liberal Democrats in British politics is more a marathon than a sprint.
He earns about £14,000 a year and at the moment I earn only around £1,000 annually because I'm still in the process of building up the business.
The process of building up the acyl chain of a fatty acid then begins, basically through the sequential chemical addition of two-carbon fragments from CoA-acetate to generate, for example, the 16-carbon saturated fatty acid palmitate.
It was demonstrated that electromagnetic fields accelerate the regenerative processes of many types of tissue, including the processes of building up and thickening of bones, shortening the time of postfracture bone union, and the creation of proper union in pseudoarthrosis.
Allegory may involve either a creative or an interpretive process: either the act of building up the allegorical structure and giving "body" to the surface narrative or the act of breaking down this structure to see what themes or ideas run parallel to it.
To assemble these little critters, Ibiden has developed its own plastic resins and a new process for building up layers of plastic that contain intricate patterns of copper wiring (see diagram).
4 As CVD is the result of a gradual process of atherosclerosis building up over many years, the most rational strategy is stopping, or at least slowing down, the progress of plaque formation.
(227) Due to the iterative nature of the activation and bleaching process, building up an image that reflects the locations of many emitters with high precision can take several minutes.
