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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While most venues have those run-of-the-mill mics -- which typically enlarge diaphragm size to increase sensitivity -- David Schwartz thinks he has a better idea for picking up even the slightest peeps without introducing distortion.

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Two research-and-development people work year-round at the company's mill, a one-story facility about the size of a suburban supermarket nestled in a valley in Vermont's Green Mountains.

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"I understand this was the longest continually operating mill in Scotland even though it had been reduced to a fraction of its former size, " he said.

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