1、

The heat transfer during the tire vulcanization was analyzed based on the heat transfer principle, the advantages of multi stage vulcanization were pointed out, and the effect of the heat diffusivity on the curing state of rubber and the effective factors on the heat diffusivity were investigated.

应用传热学原理研究分析了轮胎硫化过程中的热传递,指出了分段硫化的优点,并探讨了热扩散系数对橡胶硫化程度的影响以及影响热扩散系数的因素。

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2、

Thermal conductivity and specific heat decrease while thermal diffusivity increases with the increase of space-holder addition.

随着造孔剂添加量的增大,毛细芯的导热系数和单位体积热容显著减小,热扩散系数明显增大.

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3、

Thermal conductivity, thermal diffusivity and volume specific heat were studied using the transient plane source method.

采用瞬态平面热源法,研究了毛细芯的导热系数 、 热扩散系数和单位体积热容.

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4、

The results showed that the curing time of product extended when the heat diffusivity decreased;

结果表明,热扩散系数降低时制品的硫化时间延长;

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5、

The heat diffusivity of the compound, in which the addition level of carbon black was in the range of 25~ 40 phr, increased by 5% as the addition level of carbon black increased by every 1 phr.

而胶料中炭黑用量在25~40份范围内时,炭黑用量每增大1份,则胶料的热扩散系数增大约5%。

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6、

Specific heat, thermal diffusivity and thermal conductivity of li_2b_4o_7 single crystal

Li2B4O7晶体的比热、导温和导热性能

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