The phrase "a layer of dense" is correct and usable in written English.
It can be used to describe a thick or compact layer of a material or substance, often in scientific or descriptive contexts.
Example: "The geologist noted a layer of dense sediment at the bottom of the riverbed, indicating a long period of sedimentation."
Alternatives: "a stratum of thick" or "a coating of heavy".
The primary strategy for blocking airborne sound is to add a layer of dense, flexible material to the problem surface.
A layer of dense ceramic coating with micro pores was observed on the surface.
Pastries are not overly sweet, though a layer of dense frangipane in a stunning strawberry tart made it a bit heavy.
For ZnO nanowire growth, a layer of dense zinc microplatelet arrays was first obtained on copper foil by an electroplating method.
These results demonstrate that a layer of dense protective oxide film is important for the aluminum current collector to suppress the pitting corrosion.
Experimental data analysis demonstrated that the pozzolanic reaction is kinetically controlled by the diffusion of reactants through a layer of dense reaction products.
As a result, while a layer of ice-cold fresh water sits just beneath the sea ice, about 20 meters (65 feet) down there is a layer of denser, saltier water that has been gradually warmed by the sun's rays.
But about 65 feet (20 meters) below the surface, there is a layer of denser, saltier water that has been gradually warmed by the sun's rays.
Below this layer is a 10 m of soft silty clay followed by a layer of medium dense to dense silty sand and medium stiff silty clay of about 20 and 7 m depth, respectively.
Initially, biological specimens were prepared for EM by negative staining, a method in which the specimen is dried and embedded in a layer of electron-dense heavy metal salts, which provides high contrast for imaging in the electron microscope.
The seismic performance of a moderately tall pier supported on a square footing on top of a layer of medium-dense sand was studied through a series of dynamic centrifuge experiments.
