Ultra hard polycrystalline diamond can be synthesized from graphite by direct conversion under static high pressure.

通过静压法中的直接变换法，纯净的多晶石墨棒可以在短时间内转化为多晶金刚石。

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For the two kinds of abrasive grain-ordinary abrasive and ultra hard material, carborundum and diamond were chosen as samples for dispersing experiment.

针对两大类磨料微粉——普通磨料和超硬材料，选择碳化硅和金刚石为例进行分散实验。

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The grinding wheel finisher has the structure to be simple, dexterous, characteristics and so on easy to operate, may carry on the renovation to ordinary and the ultra hard grinding wheel.

砂轮修整器具有结构简单，轻巧，使用方便等特点，可对普通和超硬型砂轮进行整修。

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If a lot of super-ambitious, ultra hard-working investment bankers suddenly find themselves out of work, odds are they'll reinvent themselves in the green space.

FORBES: Magazine Article

The new 4K Ultra HD Video Player is a hard-disc server that connects easily to Sony's 84-inch 4K LED TV (XBR-84X900) allowing consumers to view 4K resolution movies and short form 4K videos.

ENGADGET: Sony's 4K Ultra HD Video Player revealed, COO Phil Molyneux tells us what 'only Sony can do'

As we approach the general availability of ultrabooks with the Windows 8 operating system it looks like the largest sales for ultra-thin computers will include a hard disk drive as well as flash memory.

FORBES: Digital Storage Needs the Right Stuff