The phrase "a layer of medium" is correct and usable in written English.
It can be used in contexts related to art, science, or technology, where you are describing a specific thickness or type of material that serves a particular purpose.
Example: "The artist applied a layer of medium to the canvas to enhance the texture and depth of the painting."
Alternatives: "a coat of material" or "a stratum of substance".
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.
Primary keratinocytes, early HF1 cells and late HF1 cells were plated in agar at a density of 5000 cells per well in a 96-well plate in growth medium containing 0.3% agar (50 µl per well), on top of a layer of growth medium containing 1% agar (100 µl per well).
For the soft-agar assay, 2.5 × 10 transfected CNE-2 or SUNE-1 cells were suspended in 1 ml of complete medium containing 0.66% agar (Sigma-Aldrich, Ronkonkoma, NY, USA), and then placed on top of a layer of complete medium containing 1% agar in six-well plates; colonies were counted using an inverted microscope after 7 or 12 days.
A broad band polarization independent reflector working in the telecommunication C + L band is proposed with using the guided mode resonance effect of periodic fused silica grating deposited by a layer of germanium medium.
To complete the process of aging kitchen cabinets, apply a layer of crackling medium over the aged cabinet surfaces.
Cover the seeds with a layer of growing medium about three times the thickness of the seeds.
The law states that the rate of flow Q of a fluid through a porous layer of medium (e.g., a sand bed) is directly proportional to the area A of the layer and to the difference Δh between the fluid heads at the inlet and outlet faces of the layer and inversely proportional to the thickness L of the layer, or, expressed analytically, where K is a constant characteristic of the medium.
Pack a layer of heavy, medium-sized, and light boxes, and repeat the process until the truck is mostly full.
Hyphae from these cultures were used to inoculate MMI membrane slides coated with a thin layer of medium (150 200 μl of cornmeal medium with 1% agar).
