The phrase "as a bead of" is correct and usable in written English.
It can be used to describe something that resembles or is similar to a bead, often in terms of shape, size, or appearance.
Example: "She stood there, her eyes glistening as a bead of dew caught in the morning sunlight."
Alternatives: "like a droplet of" or "similar to a pearl of".
A fact is surely a fact, but what constitutes an error can be as hard to pin down as a bead of mercury.
"I know Barça get all the plaudits for their superhuman performances, and JM seems capable of offending every single person he meets, but Real are on track to win La Liga without dropping so much as a bead of perspiration".
These sarcoma cells and all tumor cells were plated as a bead of media containing ~12,000 cells which results in a highly confluent area of cells as pictured in Fig. 1C.
They bring ice water, too, and as soon as it looks as if you might have a bead of perspiration on your forehead, they offer tiny cold towels scented with eucalyptus or a spritz of Evian.
— Steven Spielberg, 71, adjusted his trifocals as I asked the question, a bead of sweat descending from my temple.
Think of a bead of sweat as a vehicle for heat conducted by your body: it transports body heat to the surface, where it can diffuse into the external world.
They developed a class of wealthy aristocrats who left elaborate graves such as the kurgans in the Valley of the Tsars (or Kings) near Arzhan, 40 miles (60 km) from Kyzyl, Tyva filled with richly worked articles of gold, as well as beads of turquoise, carnelian, and amber, and many other valuable objects.
I'd always been slightly intimidated by the posters that other girls had on their walls – the model dressed as a mechanic with a provocative bead of sweat running down his torso, the pop idol reclining crotch-first on a couch.
To do that we measured the WF generated by a NL-GS, i.e., from the PSF generated by the two-photon excited fluorescent volume, inside the red-paint and then we compared it with the generated WF produced by a physical point source such as a fluorescent spherical bead of i) 1 µm and ii) 0.28 µm in diameter.
It was as if someone had taken a tiny bead of pure life and decking it as lightly as possible with down and feathers, had set it dancing and zig-zagging to show us the true nature of life...
Exposures resulting from other uses, such as infrequent use of a small bead of mercury, could be well below currently recognized risk levels.
