This paper described the effects of bead mill size and dispersant chemistry on particle size reduction for difficult to disperse carbon black pigment.

介绍了砂磨机钢球大小和分散剂对于难研磨碳黑粒径的影响。

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Often the seagulls came very close and stared at the men with black bead-like eyes.

VOA: special.2010.03.06

Each bead is black on one side and white on the other.

ECONOMIST: Showing off

Elsewhere, and as always at Oscar, the proof is in the details: Stunning were a silver lame mousseline caviar beaded fringe gown, a black chantilly lace threadwork and ostrich feather embroidered gown, and yellow silk faille silver bullion floral- and bead-embroidered gown.

FORBES: Oscar de la Renta Got The Memo About Emerald