材料的合成过程是这样：首先，他使高温碳氢混合气体和铁催化剂相互作用产生密集的碳纳米管群，然后再用聚合物充填碳纳米管间的空隙。
He created this composite by growing a forest of nanotubes using hot hydrocarbon gases and an iron catalyst, and then filling the space between the tubes with the polymer.
双管和多管布置时，由于管间的热干扰作用，系统的换热量将不同程度降低。
When double and multi-U-tube ground heat exchangers are used, heat transfers of the system decreases due to the thermal disturbance among the tubes.
提出了测试振动流化床与浸没水平管局部传热系数的新方法，就通气振动流化床与浸没水平管间的局部传热特性进行了实验研究。
A new method is developed for measurement of local heat transfer coefficients around horizontal tubes immersed in an aerated vibrated fluidized bed.
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