During operations of photovoltaic cells,the thermal efficiency(i.e.,the ratio of the output power to the impinging solar......

A process of air gap membrane distillation (AGMD) supplemented by vacuum pump was built as shown in figure to improve th......

对直排式家用快速热水器简易排烟装置的结构特点及热工作性能进行了实验研究．结果表明该装置能有效地将热水器工作时产生的大量烟气......