Abstract: Embodiments of the present application disclose a local map updating method and apparatus, and an electronic device, including: acquiring key-frame point cloud data, where the key-frame point cloud data includes point cloud coordinate points; matching the key-frame point cloud data with a prior map to determine target voxels, in the prior map, corresponding to the point cloud coordinate points; and updating a point cloud probability distribution corresponding to each target voxel according to a first map coordinate point and a second map coordinate point included in each target voxel to obtain a target map, where the first map coordinate point is obtained by converting the point cloud coordinate point corresponding to the target voxel, and the second map coordinate point is a coordinate point included in the target voxel in the prior map.

Abstract: Provided is an electrochromic glass, including a first transparent substrate, a second transparent substrate and a functional stacked layer. The functional stacked layer includes a first conductive layer, an electrochromic stacked layer and a second conductive layer, wherein the first conductive layer, the electrochromic stacked layer and the second conductive layer are sequentially arranged on the first transparent substrate and are located between the first transparent substrate and the second transparent substrate. Also provided is a method for manufacturing the electrochromic glass.

Abstract: A model training method comprises: determining an initial multi-channel residual neural network model; acquiring a multi-channel residual neural network model training data set, the multi-channel residual neural network model training data set comprises multi-channel bone radio-frequency data obtained by a QUS device, and a fracture evaluation value label corresponding to the multi-channel bone radio-frequency data; and training the initial multi-channel residual neural network model by taking the multi-channel bone radio-frequency data as an input and taking the fracture evaluation value label as an output, so as to obtain a multi-channel residual neural network model. Features of an ultrasonic radio-frequency signal can be extracted, and a multi-channel residual neural network model is obtained by training, which model can be applied to the field of fracture risk prediction, such that an effective prevention measure is taken in a timely manner.

Abstract: A heterocyclic compound, a preparation method therefor, and a use thereof are provided. The structure of the heterocyclic compound is as shown in formula (I). The compound can effectively inhibit the proliferation of squamous cell carcinoma, and provides a new choice for preparing drugs for preventing and/or treating squamous cell carcinoma.

Abstract: A perovskite/silicon tandem device includes a silicon layer having first and second opposite sides, a first electrode located on the first side of the silicon layer, a hole transport layer located on the second side of the silicon layer, a perovskite layer located over the hole transport layer, a metal fluoride layer located over the perovskite layer and in direct contact with the perovskite layer, and a second electrode located over the ultrathin metal fluoride layer.

Abstract: The present application relates to a method for screening pre-implantation embryos. The screening method includes steps of testing chromosomes and DNA methylation levels of the pre-implantation embryos; and selecting, from the pre-implantation embryos according to the obtained test result, the embryo having normal chromosomes, a DNA methylation level of a target region meeting preset requirements, and a genome-wide DNA methylation level within an interval of about 0.25 to 0.27 or a genome-wide DNA methylation level outside the interval of about 0.25 to 0.27 but close to the interval of about 0.25 to 0.27 relative to other embryos as the embryo to be implanted.

Abstract: A bifunctional nucleoside hydrogel is formed by dissolving isoguanosine, guanosine and a borate in water or an aqueous solution and then crosslinking same. The bifunctional nucleoside hydrogel integrates a carrier and a drug effect and has a significant inhibitory effect on the activity of tumor cells, and in particular has a significant inhibitory effect on the activity of cells related to lung cancer, glioma, osteoma, colon cancer, breast cancer, oral squamous cell carcinoma and tongue squamous cell carcinoma, of which the inhibitory effect on the activity of cells related to oral squamous cell carcinoma is the best. Therefore, the bifunctional nucleoside hydrogel has potential application prospects in preparing anti-tumor drugs, and particularly, same can provide a new approach for treating oral squamous cell carcinoma.

Abstract: An embodiment of the present application provides an electrode assembly, a battery cell, a battery, and an electrode assembly manufacturing method and device, which belong to the technical field of batteries. The electrode assembly includes a positive electrode plate and a negative electrode plate, the positive electrode plate and the negative electrode plate being wound in a winding direction and forming a winding structure. The positive electrode plate comprises a plurality of first active substance layer regions and at least one first inactive substance layer region; and in an axial direction of the winding structure, the first inactive substance layer region is located between two adjacent first active substance layer regions, wherein, the first inactive substance layer region is provided with a first guide flow through hole, and the first guide flow through hole is configured to penetrate both sides in a thickness direction of the positive electrode plate.

Abstract: Disclosed is a microfluidic detection device including a circuit substrate and a transparent substrate. The circuit substrate is provided with at least one first light-emitting device used to emit a detection beam, a photodetector used to receive the detection beam and send out a sensing signal, and a control circuit electrically connected to the first light-emitting device and the photodetector. The transparent substrate overlaps the circuit substrate and is provided with a microfluidic channel and a light guide structure. The light guide structure has a light incident surface disposed corresponding to the first light-emitting device and a light exiting surface disposed corresponding to the photodetector. The light guide structure extends from each of the light incident surface and the light exiting surface to the microfluidic channel and is adapted to transmit the detection beam into and out of the microfluidic channel.

Abstract: A display apparatus includes a driving backplane, a transparent metal oxide pattern layer, light-emitting elements and transparent structures. The transparent metal oxide pattern layer has a solid portion and openings defined by the solid portion. The light-emitting elements are respectively located in the openings of the transparent metal oxide pattern layer. The transparent structures respectively cover the light emitting elements, respectively overlap the openings of the transparent metal oxide pattern layer, and expose electrodes of the light emitting elements. The transparent structures are located between the light emitting elements and the driving backplane. Moreover, a manufacturing method of the display apparatus is also provided.

Abstract: The present application relates to an Informer-based autonomous satellite positioning accuracy prediction method and apparatus. The method includes: collecting satellite observation data of a train within a given operational section, there being an area where satellite signals are blocked within the given operational section, where the satellite observation data is satellite observation data collected by the train on the given operational section via a satellite positioning receiver; according to the satellite observation data on the given operational section, obtaining a prediction data set based on an effective value range of a preset three-dimensional position accuracy factor; and based on a preset accuracy prediction model, outputting an autonomous satellite positioning accuracy predictive value by taking the prediction data set as an input.

Abstract: The present application provides a negative electrode plate, a secondary battery, and an electrical apparatus. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer arranged on at least one surface of the negative electrode current collector. The negative electrode film layer comprises a negative electrode active material and a polymer blend, and the polymer blend comprises a ?-conjugated polymer and a polymer containing ester groups.

Abstract: A battery and a power consuming device are provided. The battery includes a battery module and a case, where the battery module includes multiple battery cells electrically connected, a shell of each of the multiple battery cells is made of an insulating material, and the case is provided with a cavity configured to accommodate the battery module and the case is made of an insulating material.

Abstract: A battery includes: a battery module including first and second battery cells connected in series in a length direction of the battery, where a first electrode output portion of the first battery cell is electrically connected to a second electrode output portion of the second battery cell in a welded manner; a support arranged between the first and second battery cells and provided with a first accommodating space configured to accommodate the first electrode output portion and the second electrode output portion which are electrically connected to each other; and a structural adhesive configured to fixedly connect the first electrode output portion and the second electrode output portion to the support, where the support is provided with an adhesive filling channel configured to guide the structural adhesive into spaces between the first electrode output portion and the second electrode output portion and the support.

Abstract: A display device includes a substrate, subpixel units and a thin film encapsulation structure. The subpixel units are disposed on the substrate, and each of the subpixel units includes a light emitting part and a pixel defining part surrounding the light emitting part. The thin film encapsulation structure covers the subpixel units, and includes a first encapsulation layer and a second encapsulation layer covering and in contact with the first encapsulation layer. The refractive index of the first encapsulation layer is different from that of the second encapsulation layer. The first encapsulation layer includes first microstructures, and the first microstructures are respectively disposed on the pixel defining parts. The second encapsulation layer includes second microstructures, the second microstructures are respectively disposed on the pixel defining parts, and the second microstructures are respectively fitted with the first microstructures to form distributed Bragg reflectors.

Abstract: A display element includes a first spacer, a second spacer, at least one first electrode, a second electrode, at least one LED structure, a reflective layer, a first transparent molding layer and a transparent conductive layer. The second spacer is located on one side of the first spacer. The first electrode is surrounded by the first spacer. The second electrode is surrounded by the second spacer. The LED structure is located on the first electrode. The reflective layer is located on a sidewall of the first spacer facing the LED structure. The first transparent molding layer is located on the reflective layer and surrounds the LED structure. The transparent conductive layer is located on the top surface of the second semiconductor layer and the top surface of the first transparent molding layer, and extends to the second electrode.

Abstract: A display device includes an array substrate, light emitting elements and light shielding units. The light emitting elements are disposed on the array substrate and electrically connected to the array substrate, where each of the light emitting elements has a first surface and a second surface opposite to the first surface. The second surfaces face the array substrate. The light shielding units are disposed on the array substrate and arranged alternately with the light emitting elements, where the light shielding units expose the first surfaces, and each of the light shielding units has a top and a bottom opposite to the top. The bottoms face the array substrate, and a cavity is existed between the bottoms and the array substrate.

Abstract: A battery includes: a battery module, including a first battery cell and a second battery cell connected in series along a first direction, where a first electrode output portion of the first battery cell is electrically connected to a second electrode output portion of the second battery cell by means of welding, and the first direction is a length direction of the battery; and a support, arranged between the first battery cell and the second battery cell, where the support is provided with a first accommodating space penetrating through the support in the first direction and configured to accommodate the first electrode output portion and the second electrode output portion.

Abstract: A battery, a power consumption apparatus, and a method for producing a battery are provided. The battery includes: a battery module including a first battery cell and a second battery cell that are disposed in a stacked manner along a first direction, where the first battery cell and the second battery cell are located at a first end of the battery module in a second direction, a first electrode output part of the first battery cell is connected to a second electrode output part of the second battery cell, the first direction is a thickness direction of the battery, and the second direction is a length direction of the battery; and a supporting member disposed in a first accommodating space enclosed by a first electrode output part and a second electrode output part, and configured to support the first electrode output part and the second electrode output part.