Abstract: A method for generating images includes: acquiring CT image data of an oral cavity, and then constructing an oral skeletal model based on this; extracting skeletal features of the oral skeletal model, and covering the oral skeletal model with soft tissues to obtain a first oral cavity model; carrying out laser three-dimensional scanning on the treated oral cavity to construct a second oral cavity model, and comparing the first oral cavity model with the second oral cavity model, and marking the soft tissue difference area in the second oral cavity model; acquiring optical image information of a target acquisition area in an oral cavity, and extracting soft tissue features from the optical image information; covering the extracted soft tissue features in the second oral cavity model to obtain a three-dimensional image model of the oral cavity, and acquiring oral images from the three-dimensional image model to generate oral images.

Abstract: A real-time human posture tracking and calibration device and a system for tumor radiotherapy are provided, which may replace the traditional treatment bed of a linear accelerator. For tumor targets in areas such as the head and neck that do not move with respiration, the system tracks changes in the skin external contour and the static position of the tumor. For tumors in the chest and abdomen that are significantly affected by respiration, the system first tracks changes in the skin external contour and then compensates for the displacement of the tumor target moving with respiration.

Abstract: A real-time human posture tracking and calibration device and a system for tumor radiotherapy are provided, which may replace the traditional treatment bed of a linear accelerator. For tumor targets in areas such as the head and neck that do not move with respiration, the system tracks changes in the skin external contour and the static position of the tumor. For tumors in the chest and abdomen that are significantly affected by respiration, the system first tracks changes in the skin external contour and then compensates for the displacement of the tumor target moving with respiration.

Abstract: An automatic positioning device for helical tomotherapy plan verification is provided. The device includes a base located on a treatment bed of helical tomotherapy equipment, a lifting platform fixedly connected to a top of the base, a three-dimensional verification phantom fixedly connected to other ends of the two support rods, and an early warning component. A bearing platform is fixedly connected to a top of the lifting platform, a moving platform is arranged on the bearing platform, and ends of two support rods are fixedly connected to a side, close to the treatment bed, of the moving platform. The three-dimensional verification phantom extends into a treatment aperture through the moving platform. The early warning component includes two early warning pieces respectively arranged on the two support rods.

Abstract: A precipitation strengthening AlCrFeNiV system high entropy alloy is composed of Al 0.30-0.60, Cr 0.20-0.89, Fe 0.60-1.20, Ni 1.50-3.50 and V 0.10-0.30 by weight ratio. The high entropy alloy is manufactured utilizing melting and casting, followed by deformation and heat treatment process.

Abstract: A precipitation strengthening AlCrFeNiV system high entropy alloy is composed of Al 0.30-0.60, Cr 0.20-0.89, Fe 0.60-1.20, Ni 1.50-3.50 and V 0.10-0.30 by weight ratio. The high entropy alloy is manufactured utilizing melting and casting, followed by deformation and heat treatment process.