Based on orthogonal design, the effects of reaction temperature, heating speed, weight percent of DVB, pyrolysis temperature and heat retaining time on the yield of PCS were discussed.

采用正交实验设计研究了反应温度、升温速率、二乙烯基苯的质量分数、裂解温度和保温时间五个因素对聚碳硅烷产率的影响。

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But inside, special windows cut power bills by blocking solar heat in summer and retaining indoor warmth in winter.

但是在室内，特殊的窗户通过在夏天阻挡太阳的热量和在冬天保持室内温暖来减少电费。

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Possibly thicker hair was in itself an advantage, retaining heat in Siberian climates.

可能更厚的头发本身就是一种优势，在西伯利亚的气候中保持住热量。

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Polystyrene foam, sometimes sold under the brand name Styrofoam, has long been popular among restaurateurs for lightweight, heat-retaining containers, but environmentalists complain it takes years to break down in trash.

WSJ: Foam cups, containers eyed amid NYC recycling push

United started the final, played in stifling heat, as if retaining their crown would be little more than a formality, creating a host of early chances against the nervous-looking Catalans, with Cristiano Ronaldo a constant threat.

BBC: Barcelona 2-0 Man Utd

Such devices can remove stale air from a home while retaining 85% of its heat.

ECONOMIST: Green homes