Abstract: Provided are a fatigue-resistant supramolecular polyurethane (PU), and a preparation method and use thereof. The preparation method includes: mixing a diol, a diisocyanate, a catalyst, and a first organic solvent to obtain a mixture, and subjecting the mixture to prepolymerization to obtain a PU prepolymer, the diol being selected from the group consisting of a polyester diol and a polyether diol; mixing the PU prepolymer, 4,4?-diaminodicyclohexylmethane, and a second organic solvent to obtain a mixed mixture, and subjecting the mixed mixture to chain extension to obtain a chain extension product; and mixing the chain extension product, reinforcing phase total organic carbon (TOC), and a third organic solvent to obtain a mixed system, and subjecting the mixed system to first addition reaction to obtain the fatigue-resistant supramolecular PU, the reinforcing phase TOC having a structure shown in formula I.

Abstract: An example method of converting lidar points to a three-dimensional image, including receiving a set of irregular lidar points forming a lidar point cloud, assigning the set of irregular lidar points to a 3D or 2D grid resulting in a set of assigned points, determining a pseudo image based on the set of assigned points resulting in a set of regular pseudo image points, encoding the set of regular pseudo image points including a reflection channel normalization, at least one point decoration and a point feature of the at least one point decoration resulting in a set of high dimension regular features and predicting at least one three-dimensional object utilizing the set of high dimension regular features.

Abstract: The disclosure relates to a composite cathode frame assembly, a battery cell and an assembly method of the battery cell. The composite cathode frame assembly includes a frame, a cathode sheet and a separator sheet. An accommodating groove for embedding the cathode sheet is provided in the frame, both surfaces of the frame are matched with the separator sheet, and the separator sheet is attached to a surface of the frame and covers the cathode sheet and the frame. The battery cell includes the composite cathode frame assembly, a sleeve and an anode sheet. This disclosure has effect of reducing difficulty of manufacturing a battery cell on a premise of satisfying the battery cell overhang requirement.

Abstract: The present application provides a double outlet capsule packing container, including a housing body, in which a partition portion is provided in the housing body, the partition portion divides the housing body into two chambers, one chamber is a connection portion, and the other chamber is a storage portion, the storage portion is configured for containing materials and a first sealing portion is connected at an opening of the storage portion.

Abstract: Provided are a self-healing polyurethane (PU) material, a double-layer self-healing PU film, and a preparation method and use thereof. In the disclosure, the self-healing PU material includes a PU material I and a PU material II that are packaged separately. A soft-layer PU film prepared based on the PU material I and a hard-layer PU film prepared based on the PU material II could be combined to form a double-layer PU film.

Abstract: A temperature-sensitive automatic rapid gas generation fire extinguishing device is provided, including a box body; a plurality of heat absorption fire extinguishing units are placed on an inner side wall of the box body, and a first trigger unit is arranged between one of the heat absorption fire extinguishing units close to the first baffle and the inner side wall of the box body; the one of the heat absorption fire extinguishing units triggers the first baffle to move down through the first trigger unit, and a relatively closed space is formed in the box body; a plurality of gas generation fire extinguishing units are placed on an inner side wall of the box body, and a second trigger unit is arranged between one of the gas generation fire extinguishing units close to the second baffle and the inner side wall of the box body.

Abstract: Provided are a self-healing polyurethane (PU) material, a double-layer self-healing PU film, and a preparation method and use thereof In the disclosure, the self-healing PU material includes a PU material I and a PU material II that are packaged separately. A soft-layer PU film prepared based on the PU material I and a hard-layer PU film prepared based on the PU material II could be combined to form a double-layer PU film.

Abstract: A fluid infusion system includes a housing configured to be adhesively coupled to an anatomy of a user, and a tube configured to extend from the housing for insertion into the anatomy of the user. The tube includes a plurality of conduits defined within the tube. The plurality of conduits include a fluid delivery conduit configured to facilitate a fluidic connection between a fluid source and the anatomy of the user, and one or more conduits configured to accommodate a plurality of electrodes for determining a physiological characteristic of the user.

Abstract: The present disclosure belongs to the technical field of polymer materials, and in particular relates to a chain extender and a preparation method and application thereof, a recyclable thermosetting polyurethane and a preparation method thereof. The present disclosure provides a chain extender whose chemical formula is shown in formula I. The chain extender provided by the present disclosure contains two types of dynamic covalent bonds, and the total number of dynamic covalent bonds is 4. The thermosetting polyurethane prepared by the provided chain extender has better hot-pressing repair efficiency. The results of the examples show that under the same hot-pressing conditions, the repair efficiency of the thermosetting polyurethane prepared by the 4,4?-dithiodianiline chain extender is 59%. The repair efficiency of thermosetting polyurethane is 97%, which is significantly improved.

Abstract: A fluid infusion system includes a housing configured to be adhesively coupled to an anatomy of the user. The housing comprises a communication device configured to wirelessly communicate a physiological characteristic to a communication component of a fluid infusion device. The fluid infusion system includes a fluid flow path from the fluid infusion device into the anatomy of the user, and the fluid flow path is configured to extend from the housing for insertion into the anatomy of the user.

Abstract: The present disclosure belongs to the technical field of polymer materials, and in particular relates to a chain extender and a preparation method and application thereof, a recyclable thermosetting polyurethane and a preparation method thereof. The present disclosure provides a chain extender whose chemical formula is shown in formula I. The chain extender provided by the present disclosure contains two types of dynamic covalent bonds, and the total number of dynamic covalent bonds is 4. The thermosetting polyurethane prepared by the provided chain extender has better hot-pressing repair efficiency. The results of the examples show that under the same hot-pressing conditions, the repair efficiency of the thermosetting polyurethane prepared by the 4,4?-dithiodianiline chain extender is 59%. The repair efficiency of thermosetting polyurethane is 97%, which is significantly improved.