1 This project is subsidized by the natural science fund of Shaanxi Province (serial number of project: 2004E210) Abstract: In this paper, according to practical consideration, a new solar powered rotary solid adsorption refrigerator system adopting activated carbon fibre + ethanol as its adsorption pair has been designed with higher performance. Moreover, the principle of the refrigeration cyc...

The absorption refrigerator can be considered a thermal transformer, that is, a device that is analogous to the electric transformer. The analogy is based on the correspondence between the extensive quantities, entropy and electric charge and the intensive variables, temperature and electric potential.

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The article discusses the solution to problem of choosing architecture a convolutional neural network for use in computer vision smart vending refrigerator. Comparative tests decided architectures networks YOLOv2, YOLOv3, YOLOv4, Mask R-CNN, and YOLACT ++ on standard MS COCO dataset, then datasets formed from images typical refrigerator products. As result comparative tests, best performance wa...