It's worth noting the Shanghai Composite is down nearly 9% from the record high it reached in mid-October, and barely in positive territory for the month.

值得注意的一点是，上证综合指数目前较其本月中旬创下的纪录高点下跌近9%，全月截至目前累计几乎没有上涨。

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The factors such as matrix and technology that influence the thermal stability of polymeric composite PTC(Positive Temperature Coefficient) material were studied.

研究了基体、工艺等影响高分子复合型PTC材料稳定性的因素。

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The packaging materials and processes of positive temperature coefficient (PTC) devices made up of the composite of polyethylene and carbon black(PE/CB) for over current protection were studied.

用环氧和有机硅树脂涂料对由聚乙烯／炭黑（PE／CB）制备的正温度系数（PTC）电路保护元件的表面处理及其工艺进行了研究。

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The Nasdaq Composite, meanwhile was in positive territory last week, gaining 0.6%.

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Although South Korea's Kospi Composite briefly managed to move into positive territory just before Bank of Korea's policy announcement, the index quickly slipped back, ending 0.8% lower at 1933.09.

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"We expect the choppiness in the data to persist in the near term, but look for the broader underlying trend in both the quarterly national index and the monthly composite-20 index to remain positive, " Chen says.

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