因此，研究者们转而使用两层含石墨的导电性聚碳酸酯，各层的内外层都附有一条金属带。

So instead the researchers use two layers of graphite-rich conductive polycarbonate, each flanked by a single metal strip in the inner and outer cladding.

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作者介绍了一种专门适用于处理含石墨及油污的过滤器砂滤料的清洗剂TS— 1 98。

This article introduces a new type of detergent TS-198, which is specially suitable for processing sand filter material containing graphite and greasy dirt in filter tank.

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通过改变沉积条件，发现了几种形貌的半刚石结构，即具有多面的半刚石、平整的半刚石和含石墨杂质的半刚石等等。

Several morphological ballas structures have been observed by varying the deposition conditions, i. e. ballas having faceted areas, flat ballas, ballas with graphitic inclusions, etc.

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