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This paper introduces the application of 8039 single chip microcomputer in the automatic shaping machine for loudspeaker paper cone.

本文介绍8039单片机在扬声器纸盘自动成型机上的应用。

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The dynamic mechanical properties of three kinds of paper cone material, including bleached softwood kraft pulp, bleached cotton pulp and unbleached hemp pulp were studied.

利用动态力学分析仪研究了纸质振膜材料的动态力学性能，以及打浆、纸浆种类和化学助剂对纸质振膜材料的密度、弹性模量和损耗因子的影响。

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He created the "Solo Cup, " a paper cone he made in his garage and peddled to bottled-water producers.

FORBES: Party's Over

The SS-AR2's incorporated drivers support a maximum input power of 100 watts through a 25 mm (one inch) soft dome, a 130 mm (five inch) sliced-paper cone and a 165 mm (six and a half inches) aluminum cone (double-drive system), producing a frequency response from 42 Hz to 60kHz.

ENGADGET: Sony reveals SS-AR2 loudspeaker, wants an invite to your next house party

The improved bass and low-mid response we noted in our review falls in line with iFixit's confirmation that the new driver in each Pod is made with a paper speaker cone -- in contrast to the plastic used on the older model.

ENGADGET: Apple's EarPods get the iFixit teardown treatment, found to basically be earbuds