The phrase "a shell over" is not a standard expression in written English and may be unclear without context.
It could potentially be used in a metaphorical sense to describe something that covers or protects another thing, but clarity is essential.
Example: "The artist created a sculpture with a shell over the inner core, symbolizing protection."
Alternatives: "a cover over" or "a layer over".
A proper adjustment of the deposition sequence and loading of PdNPs (as a shell) over PtNPs (as a core) of the nanocatalyst could eventually enhance its electrocatalytic activity towards FAO in such a way suppressing the CO poisoning pathway.
WebOS will exist, but it will be a shell over Windows.
"I raised the scenario that one of Dubois's workforce might have been bored and engraved a shell over lunch time".
"It's like one of those old Civil War mortar duels, where one side lobs a shell over the lines, and then one comes back in the other direction," says James Balderston Jr., analyst at Zona Research, Redwood City, Calif.
"Once we announced that we were going to China, we had to convince our U.S. workforce that we weren't going to move all of our manufacturing to China and just become a shell over here.
Huge bird of prey, silent except for the rage of heaven against the great gray wings which it seemed they could almost hear, it dropped like a shell over the tops of the trees, down, down, down to the sea where it leveled off and sailed, endlessly out, only rising at last in a soundless, screaming arc, up and onto the great barren rock.
Additionally, the TEM image presents the homogenous and uniform a-Si H shell over the SiNWs.
(c) TEM image of the a-Si H shell over the SiNWs.
As noted, the combination of a-Si H shell over SiNW core reduces the a-Si He reflectance ashell as 5.2%.
Most hermit crabs, when presented with a choice, will pick a "natural" shell over a painted one, even if it's not the right size.
The feather shaft displays a distinct shape factor, hierarchical fibrous structure within the cortex, and a solid shell-over-foam design, which enables synergistic stiffening and toughening with exceptional lightness to fulfill flight.
