The phrase "a more complicated process" is correct and usable in written English.
You can use it when discussing a procedure or method that involves greater complexity compared to another process.
Example: "Implementing the new software will require a more complicated process than we initially anticipated."
Alternatives: "a more complex procedure" or "a more intricate method".
Sinclair et al. (1994) found that increased sunlight exposure was associated with an increase in heuristic processing, which requires memory storage and relevant memory retrieval, but a decrease in systematic processing, a more complicated process requiring analysis and judgment [ 39].
Virginia Dare sold wine essence too, but that was a more complicated process".
Do not be deterred - it seems like a more complicated process than it is in practice.
But rather than dishing out sacks of newly minted coins and notes, central banks use a more complicated process to inject funds into their economies.
In our research report, the author suggests a more complicated process for stranding based on some mix of HDI, historic benefit from fossil fuels and alternative development options.
This indicates that the synthesis of BioAuNP is a more complicated process than a few proteins and reducing factors interacting with each other.
Making a cream shadow using mica powders is a slightly more complicated process, which requires several additional ingredients.
If you want to find the range of a function, then you'll have to follow a slightly more complicated process, but this is all you have to do to calculate the range of a set of data.
Research, however, is a rather more complicated process, and libraries are not as well resourced as Google and Amazon.
When atmospheric oxygen levels rose (1 billion years ago), mitochondria developed to generate far more energy from glucose (36 ATP molecules for 1 glucose molecule), although following a much more complicated process (Krebs cycle and OxPhos).
It's a slightly more complicated process, but the same command and reward system is used.
