Under scanning electronic microscope, four kinds of metal structure may be observed including black core phase, white core phase, gray ring phase and white adhesion phase.

在扫描电子显微镜下可观察到四种金相组织：黑色芯相、白色芯相、灰色环形相和白色粘结相。

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Through analysis and experiments, a set of feasible dyeing and finishing process of viscose chenille yarn with reactive dyes is prepared for eliminating the white core and achieving even dyeing.

对提高全粘雪尼尔纱芯绒的同色性、消除白芯现象进行分析，实验，制定了一套比较可行的染整工艺。

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Harley's core customer is a middle-aged white American male, a group that will contract in the coming decade.

哈雷的核心顾客群是美国中年白人男性，这一顾客群体的规模将在下一个十年内渐渐缩小。

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And it's interesting to contrast what they're saying to themselves about al-Maliki with what they say publicly about al-Maliki when they talk to the press core at the White House.

NPR: Memo Reveals Security Council's Doubts on Al-Maliki

Saturation advertising of the mix-and-match of the core elements has made white and khaki a uniform.

CNN: An All-New Dress For Success

Thin, white threads are obtained from the core of fresh aloe leaves and woven into a net or other pattern on a cardboard background.

UNESCO: Culture