2019-11-01
热成像拍摄下的夏天屋顶温度,以及屋顶隔热测试,与水蒸发降温,城市热岛效应
Summer roof temperature under thermal imaging, as well as roof insulation testing, with water evapor...
Earth Development Alliance
Summer roof temperature under thermal imaging, as well as roof insulation testing, with water evapor...
半导体制冷是一种比较新颖的制冷制热技术。原理很简单,利用PN结构成的矩阵,通电后两面电子量不同从而形成两面温差。 半导体制冷片形状是多种多样的,可以是圆形、小颗粒、也可以是豌豆大小,也可以是三角形等等...