The experimental research results of condensation type domestic water heater are stated and the optimization of heat exchange surface area is analyzed through examples.
介绍冷凝式家用燃气热水器的实验研究结果，并结合实例对换热面积进行了优化分析。
A new physical model of condensation heat transfer on V type corrugated surfaces is presented.
本文对V型波纹管的冷凝传热提供了一个新的物理模型和数学模型。
The design of this subject: silicon coupling was used as raw material, the reaction type is hydrolytic condensation, acid, alkali and organic tin was used as catalyst.
本课题设计以硅烷偶联剂为原料，反应类型为水解缩合，选用酸、碱，有机锡为催化剂。
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