因为煤的导热性低、蒸馏的速度慢，所以炼焦的过程较慢。
Because of the low thermal conductivity of coal and the slow rate of distillation, coking is a slow process.
分析了两个接触处的界面热阻率对慢波结构散热性能的不同影响。
The effect of the thermal resistance at two interfaces on heat dissipation capability of the SWS is analyzed.
竹浆纤维因其加工方法不同，除吸湿能力优于竹原纤维外，其放湿速度慢、吸湿溶胀率小、耐热性能也比竹原纤维差。
The bamboo pulp fiber has worse properties of swellability, moisture absorption and liberation rate and thermal stability except hygroscopic capacity.
竹浆纤维因其加工方法不同，除吸湿能力优于竹原纤维外，其放湿速度慢、吸湿溶胀率小、耐热性能也比竹原纤维差。
The bamboo pulp fiber has worse properties of swellability, moisture absorption and liberation rate and thermal stability except hygroscopic capacity.
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