我国南方家家户户都有木质或塑料澡盆。这些澡盆的开口面积较大(也就是接受阳光的面积较大),盆深适宜,有一定的刚度和承压性能,且耐温、耐蚀,又有一定的保温性能。湖南省技术物理研究所的科技人员,巧妙地用松紧带给澡盆箍上一个由双层透明塑料薄膜做成的气囊盖,便把它做成了一个“太阳能澡盆”(见下图)。将澡盆内放上水,置于阳光下曝晒,便 Every household in our country has wooden or plastic bathtubs. The opening area of ​​these tubs is larger (that is, the area that receives sunlight is larger). The pots are suitable for depth and have certain rigidity and pressure-bearing properties. They also have high temperature resistance, corrosion resistance and certain insulation properties. Technicians at Hunan Institute of Technical Physics cleverly made a “solar bath” (see below) by gently tying an airbag cover made of double-layer transparent plastic film to the bath cuff. The bath put the water, placed in the sun exposure, then