In this paper the composition of the dark-brown layer is analysed with AES and ESCA and the specific contact resistance has also been measured.

本文叙述了对这一褐色层进行俄歇电子能谱学(aes)和化学分析电子能谱学(esca)研究结果。测定了比接触电阻。

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The laser energy removes the brown pigment, or melanin, from the top layer of the iris, and the blue eye colour emerges over the following two to three weeks.

激光能去除眼球虹膜最外层的棕色素或黑色素，而蓝眼珠会在两到三周之后显现。

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Upon the bottom layer are tones weaving a tapestry that are black, gray, brown, mucous green and mucous yellow in color.

在最底部的那一层是编织一个黑色、灰色、褐色、墨绿和泥黄色织锦的音调。

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However,brown rice does not last as long as white rice because of the oil-rich layer of bran.

VOA: special.2010.06.30

Getting out of its way took the tires of the Jaguar XJ out of ruts on bare asphalt and onto a thick layer of icy brown sludge deposited by an entire day of freezing rain.

FORBES: Test Drive: 2013 Jaguar XJ Gets All Wheel Drive, And It's Great

Mongolian spots (technically named congenital dermal melanocytosis) are flat bluish-green, gray or light brown areas where cells called melanocytes have been trapped in a layer of the skin called the dermis.

CNN: What are Mongolian spots?