The relationship between characterization and microstructure of carbon fibers has been discussed and the directional effect of the axial thermal conductivity of carbon fibers is suggested.

对碳纤维导热性与纤维微观结构的关系进行了讨论，提出了碳纤维轴向导热有定向效应的见解。

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Interestingly, the directional effect is reversed for basketball: teams crossing the country from west to east scored four more points per game than those travelling in the opposite direction.

ECONOMIST: Travel and athletic performance: Road warriors | The