The porosity of porous Al-Si alloy is 40~80% and percentage of open-cell is above 85%, bom of which vary with the fabrication process of preform.

孔隙率在40～80%，孔隙连通率在85%以上，孔隙的大小和孔隙率取决于预制块的制备工艺。

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Experimental results show that the flow stresses of the aluminum foams increase with increasing strain rate, demonstrating a distinct strain rate effect in the open-cell aluminum foams.

实验结果表明，通孔泡沫铝有明显应变率效应，随应变率上升，泡沫铝流动应力提高。

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Based on object oriented and function components, the software architecture of open cell controller is built.

基于面向对象和功能组件，建立了开放式单元控制器的软件体系结构。

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The FCC is being urged to include rules that would ease the way for open, flexible cell-phone networks when it sets the rules for an upcoming auction of the wireless spectrum.

NPR: Groups Urge FCC to Open Wireless Networks

Johnson cut open a 12-volt dry-cell battery and crammed in two more cells in an attempt to get another 4 volts.

FORBES: Royal Boom

Dazed but without any broken bones, Cornell flipped open his cell phone and madly dialed for help--not for himself, but for his Exile cycle.

FORBES: Hooligan Chic