XRD investigation shows that martensitic phase transformation takes place in the white layers.

射线衍射表明白层内发生了马氏体相变。

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When determining the surface hardness of nitrided parts, the indentation usually exists in white layers and it is the hardness of white bright layers.

测量渗氮零件表面硬度时，压痕往往只存于白亮层之中，故只测得白亮层的硬度值。

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AISI 321 and AISI 304 stainless steels were plasma nitrided at low temperature, and uniform nitrided cases, namely, white layers, were developed on their surfaces.

对AISI 321和AISI 304不锈钢进行了低温离子渗氮，其表面获得了均匀的渗氮层即白亮层。

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Refining it involves removing the outer layers, including the husk,bran and germ, leaving the inner white kernel.

VOA: standard.2010.06.25

They star in the opening credits of the recent rendition of Miami Vice, and Perez, still slender at 57 and swathed in layers of white linen, could play a role in the film.

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The notebook's exterior layers play along as well: most of the backlit keys transition from white to blue.

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Though Texas increasingly looked like a broad, bragging California, full of high-tech clusters and with the white Anglo culture besieged by Latinos and Asians, Mrs Richards was well aware of the unchanging lower layers.

ECONOMIST: Ann Richards