Their application in switch electrical contact and electrical brush shows that the properties and service life of these composite were improved apparently by adding carbon fiber.

结果表明，碳纤维的加入明显改善了复合材料的性能，其使用寿命大幅度提高。

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Twin stator brushless doubly fed machine generation system which has no electrical brush and can running in variable speed and constant frequency condition is very suitable for wind power generation.

双定子无刷双馈发电机具有无刷化和可进行变速恒频发电的特点，非常适合于风力发电系统，对其发电系统的研究，将使这种新型电机能够尽快地应用于实际之中。

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Replacement brush: brush wear should not be used to change immediately, otherwise damage the commutator, more easily cause serious electrical burn.

调换电刷：电刷磨损到不能使用时应立即调换，否则会损坏换向器，严重时更容易导致烧坏电机。

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Jurvetson had his first brush with nano in 1989 while working on his master's in electrical engineering at Stanford University and designing chips in the summers at Hewlett-Packard.

FORBES: Mr. Nanotech