The phrase "a separate layer" is correct and usable in written English.
It can be used in contexts where you want to describe an additional or distinct level of something, such as in technology, art, or organization.
Example: "In the design process, we need to add a separate layer for the background to enhance the overall composition."
Alternatives: "an additional layer" or "a distinct layer".
In the layered approach, each attack is analyzed in a separate layer and hence is effective in detecting all types of attacks.
Waiters and busboys, chefs and bartenders, they are part of a separate layer of loss.
Carefully float the dark rum over the surface of the drink so it forms a separate layer.
Above it is a separate layer made of silicon carbide and quartz that converts heat from a building and radiates it into space.
In mammals' eyes, a set of cells in the retina detects light, and then a separate layer of cells, called ganglion cells, relays that information to the brain.
The PDMAAm and PNIPAAm within the bilayer assembly retain their swelling behavior, which they showed as a separate layer.
Although the conventional core/shell structures could efficiently reduce their magnetic coupling by introducing a separating layer between them, the T2 contrast effect is compromised as the thick shell decreases the magnetic field to the surrounding water molecules.
"We see it as a whole separate layer that everyone is going to have to tap into, data you want to solve a problem, but that you might not have yourself, and completely reliable".
The model is also extended to study the efficiency of inhibitors in a separate protective layer covering the layer containing the target substrate.
Mediterranean hydrodynamics are driven by three layers of water masses: a surface layer, an intermediate layer, and a deep layer that sinks to the bottom; a separate bottom layer is absent.
Each polygon layer is also represented as a separate linear layer, so there are in reality some 28 distinct layers in the library.
