The proper nanometer covering material is chosen base on the characteristics of fouling. And the characteristics of flow, heat transfer and fouling of sewage in nanometer coat pipes are study.
论文依据污水及管内污垢的特性选择适当的纳米涂料，并对纳米涂料管内的污水流动、换热、污垢增长特性等进行了实验研究。
However, the further increase in detonation frequency and gas-flow rates caused structure worsening and hardness declining of the coat.
但是当爆炸频率和气体流量进一步升高时，涂层的组织反而恶化，硬度降低。
However, the further increase in detonation frequency and gas-flow rates caused structure worsening and hardness declining of the coat.
但是当爆炸频率和气体流量进一步升高时，涂层的组织反而恶化，硬度降低。
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