Abstract: A pixel electrode (30), a pixel structure (001) comprising the pixel electrode (30), a display panel (00) and a display device, relating to the field of display technology. The pixel electrode (30) comprises a strip-shaped first electrode (301) and a plurality of strip-shaped second electrodes (302), each of the second electrodes (302) being connected to the first electrode (301), and the plurality of second electrodes (302) being arranged along an extending direction of the first electrode (301). Compared with the second electrodes (302), the first electrode (301) has a longer length and a wider width. As the width of the first electrode (301) is relatively wide, even if the length thereof is relatively long, the first electrode (301) is not prone to fracture.

Abstract: The present disclosure is related to a display panel and an electronic device. The display panel may include an array substrate and an opposing substrate. The array substrate includes scan lines, data lines, a first blocking wall and a second blocking wall. The first blocking wall and the second blocking wall are respectively arranged on opposite sides of at least one of the scan lines, and each of the first blocking wall and the second blocking wall includes a first blocking layer arranged in a same layer as the scan lines and a second blocking layer arranged in a same layer as the data lines. The distance between the first blocking layer and the scan line in a first direction is smaller than the distance between the second blocking layer and the scan line in the first direction.

Abstract: This application relates to the field of energy storage technologies, and provides a battery, an apparatus, a preparation method of battery, and a preparation apparatus of battery. The battery includes a first battery cell and a second battery cell. The first battery cell includes a first pressure relief mechanism, the second battery cell includes a second pressure relief mechanism, an energy density of the first battery cell is greater than an energy density of the second battery cell, and an area of the first pressure relief mechanism is greater than an area of the second pressure relief mechanism. The apparatus includes the foregoing battery.

Abstract: A secondary battery and a preparation method thereof, and a battery module, battery pack, and apparatus containing a secondary battery are provided. In some embodiments, the secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte, where the positive electrode plate includes a positive electrode current collector and a positive electrode film layer that is disposed on at least one surface of the positive electrode current collector and that includes a positive electrode active material, and the negative electrode plate includes a negative electrode current collector and a negative electrode film layer that is disposed on at least one surface of the negative electrode current collector and that includes a negative electrode active material; and the positive electrode active material includes a first material and a second material.

Abstract: The present invention provides an application of 1-deoxynojirimycin in feed for improving the nutritional value and sensory effect of rabbit meat products, and belongs to the technical field of feed. In the present invention, 1-deoxynojirimycin (DNJ) is added to meat rabbit feed, the addition of 0.14-0.28 g/kg DNJ to meat rabbit feed can significantly improve the quality and sensory effect of rabbit meat and the antioxidant capacity of animal meat products and prolong the shelf life, and 1-deoxynojirimycin is an effective component to improve the nutritional value and sensory effect of animal meat products and is beneficial to human health.

Abstract: An artificial intelligence (AI) classifier is trained using supervised training and an effect of noise in the training data is reduced. The training data includes observed noisy labels. A posterior transition matrix (PTM) is used to minimize, in a statistical sense, a cross entropy between a noisy label and a function of the classifier output. A loss function using the PTM is provided to use in training the classifier. The classifier provides final output predictions with good performance even with the existence of noisy labels. Also, information fusion is included in the classifier training using the PTM and an estimated noise transition matrix (NTM) to reduce estimation error at the classifier output.

Abstract: A method of operating a demand side platform (DSP) includes determining a current state of the DSP, wherein the current state of the DSP is based on a remaining bid budget and remaining number of opportunities, receiving, at the DSP, a bid request for one or more advertisement impressions, and determining an uncertainty of a predicted user response probability. The method further includes determining a risk tendency value based on the current state of the DSP, determining an adjusted value of the one or more advertisement impressions based on the uncertainty and risk tendency, determining a bid price for each of the one or more advertisement impressions based on the adjusted value of the one or more advertisement impressions, transmitting the bid price to an exchange platform to participate in an auction, receiving an auction result and updating the current state of the DSP based on the auction result.

Abstract: A secondary battery and a preparation method thereof, and a battery module, battery pack, and apparatus containing a secondary battery are provided. In some embodiments, the secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte, where the positive electrode plate includes a positive electrode current collector and a positive electrode film layer that is disposed on at least one surface of the positive electrode current collector and that includes a positive electrode active material, and the negative electrode plate includes a negative electrode current collector and a negative electrode film layer that is disposed on at least one surface of the negative electrode current collector and that includes a negative electrode active material; and the positive electrode active material includes a first material and a second material.

Abstract: This application relates to the field of energy storage technologies, and provides a battery, an apparatus, a preparation method of battery, and a preparation apparatus of battery. The battery includes a first battery cell and a second battery cell. The first battery cell includes a first pressure relief mechanism, the second battery cell includes a second pressure relief mechanism, an energy density of the first battery cell is greater than an energy density of the second battery cell, and an area of the first pressure relief mechanism is greater than an area of the second pressure relief mechanism. The apparatus includes the foregoing battery.

Abstract: A battery includes a plurality of battery cells and a support member configured to support the plurality of battery cells. The support member includes a recess. One battery cell of the battery cells extends into and is supported in the recess.

Abstract: This application provides a battery, an apparatus, a preparation method of battery, and a preparation apparatus of battery. The battery includes a first battery cell, a second battery cell, and a first thermal insulation member. The second battery cell is disposed adjacent to the first battery cell, an energy density of the second battery cell is less than that of the first battery cell, and the first thermal insulation member is disposed between the first battery cell and the second battery cell.

Abstract: The present application relates to a battery module, which includes a first type of battery cells and a second type of battery cells electrically connected in series. The first type of battery cells and the second type of battery cells are battery cells with different chemical systems. The first type of battery cells includes N first battery cells, and the second type of battery cells includes M second battery cells, where N and M are greater than or equal one. The present application also relates to a battery pack and an electric apparatus including the battery module, and method and device for manufacturing the battery module.

Abstract: This application provides a secondary battery and a preparation method thereof, and a battery module, battery pack, and apparatus containing a secondary battery. The secondary battery includes a positive electrode plate, the positive electrode plate includes a positive electrode current collector and a positive electrode film layer that is disposed on the positive electrode current collector and that includes a positive electrode active material, where the positive electrode active material includes a first material and a second material, the first material contains lithium transition metal oxide, the second material contains lithium transition metal phosphate, the lithium transition metal phosphate includes secondary particles formed by agglomeration of primary particles, and the second material has a lower discharge platform voltage than the first material with respect to a same type of counter electrode.

Abstract: This application provides a mixed positive electrode material, a positive electrode plate and a preparation method thereof, a battery, and an apparatus. The mixed positive electrode material includes a mixed component consisting of a material of lithium iron phosphate chemical system and a material of ternary chemical system, where the material of lithium iron phosphate chemical system is secondary particles with an average specific surface area within 10 m2/g. In the mixed positive electrode material of this application, the introduction of lithium iron phosphate secondary particles having a low specific surface area improves ease of processing of the mixed positive electrode material, making a slurry less prone to agglomeration and the two materials highly miscible. When the positive electrode plate is prepared by using the mixed positive electrode material of this application, uniform distribution of the positive electrode material on the positive electrode plate can be effectively improved.

Abstract: A processor is configured with a learning framework to characterize the residuals of attribute information and its coherence with network information for improved anomaly detection.

Abstract: Embodiments of the disclosed technologies provide tree-based transfer learning of hyperparameters of a machine learning model or tunable parameters of a black box system. A similar reference task tree is selected from a set of reference task trees. Data is transferred from the similar reference task tree to a target task tree.

Abstract: The present application relates to a battery module and a method and equipment for manufacturing the same, a battery pack, and an apparatus. The battery module includes Type 1 battery cells and Type 2 battery cells connected in series; the Type 1 battery cells and the Type 2 battery cells satisfy the following criteria: 1.01×C1/C2?N2?1.25, and C1<C2, where N2 is a battery charge balance rate of the Type 2 battery cells; C1 and C2 are respectively capacities of the Type 1 battery cells and the Type 2 battery cells. By a reasonable combination of chemical systems of battery cells with different capacities, the battery module of the present application can have good safety and stability while achieving the battery cells with different capacities each having high energy output characteristics during charging and discharging, thereby increasing the energy density of the battery module.

Abstract: A method includes obtaining, by an electronic device, an interpretation hierarchy generated based on a knowledge graph and behavioral data. The method also includes performing, by the electronic device, graph convolution operations on the interpretation hierarchy to generate one or more embeddings. The method further includes generating, by the electronic device, a recommendation based at least in part on associations between the one or more embeddings. In addition, the method includes providing, by the electronic device, an explanation corresponding to the recommendation.

Abstract: This application provides a lithium-ion battery, a positive electrode plate for a lithium-ion battery, and an apparatus. The lithium-ion battery includes a positive electrode plate that includes a positive current collector and a positive active material layer arranged on at least one surface of the positive current collector. A positive active material in the positive active material layer includes a positive active substance I and a positive active substance II. The positive active substance I is a layered lithium nickel transition metal oxide. The positive active substance II is an olivine-type li-containing phosphate. The positive electrode plate satisfies 2.5?N/(PD×(1?P1)×(1?A))?21. The positive electrode plate for a lithium-ion battery has relatively high energy density, and a high transmission rate of lithium ions, which effectively increases instantaneous discharge power under a low SOC while ensuring high volume energy density of lithium-ion batteries using the positive electrode plate.

Abstract: Systems and methods for exploiting link information in streaming feature selection, resulting in a novel unsupervised streaming feature selection framework are disclosed.