Abstract: The present disclosure relates to the technical field of batteries, and specifically relates to a busbar-less battery module and a battery pack. The busbar-less battery module provided in the present disclosure includes a plurality of cells, and tabs are provided at both ends of each cell, and the interconnected cells are directly connected through the tabs, and an isolation component is provided between the adjacent cells. In the present disclosure, the tabs are directly connected, and omission of bus bars prevents the bus bar from blocking the high-temperature fume, so that the high-temperature fume may be exhausted in time when thermal runaway occurs. In the meantime, the tabs of the cell may be isolated to prevent adjacent tabs from contacting each other during operation and causing thermal runaway due to short circuit, thereby avoiding spread of heat at the tabs.

Abstract: A single crystal multi-element positive electrode material and a preparation method therefor, and a lithium ion battery. The ratio of the length of the longest diagonal line to the length of the shortest diagonal line of the single crystal particles of the single crystal multi-element positive electrode material measured by an SEM is roundness R, and R?1; and D10, D50 and D90 of the single crystal particles of the single crystal multi-element positive electrode material satisfy: K90=(D90?D10)/D50, and the product of K90 and R is 1.20-1.40. The single crystal multi-element positive electrode material is more round and regular in morphology, the single crystal particles have uniform size, less agglomeration and less adhesion. The material has the characteristics of high compaction density, good rate capability and excellent cycle performance.

Abstract: A charging system includes at least one first charging device and at least one second charging device that are cascaded. The first charging device includes at least one first accommodation portion for mounting a first energy storage device and a connecting port for connecting the second charging device or the first charging device. The second charging device includes at least one second accommodation portion for mounting a second energy storage device and a connecting port for connecting the first charging device or the second charging device. The first accommodation portion and the second accommodation portion have different shapes or dimensions.

Abstract: A charging system includes at least one first charging device and at least one second charging device that are cascaded. The first charging device includes at least one first accommodation portion for mounting a first energy storage device and a connecting port for connecting the second charging device or the first charging device. The second charging device includes at least one second accommodation portion for mounting a second energy storage device and a connecting port for connecting the first charging device or the second charging device. The first accommodation portion and the second accommodation portion have different shapes or dimensions.

Abstract: The disclosure provides a display panel and a display apparatus, and belongs to the field of display technology. The display panel includes a display backplane and an antenna structure; the display panel further includes a frequency selective surface on a side of the antenna structure close to a light exit surface of the display panel; the frequency selective surface is configured to transmit an electromagnetic wave with a specific frequency, so as to enhance a radiation gain of the antenna structure.

Abstract: In some examples, an imaging device can include a processing resource and a memory resource storing instructions to cause the processing resource to perform a feature extraction process to extract a gamut-based feature included in a plurality of pixels of a scanned image to determine whether the scanned image includes a particular marking, apply a classification model to the scanned image, and optimize the scanned image based on the classification of the scanned image.

Abstract: The present disclosure discloses an oil shale semicoke adsorption inhibitor and use thereof in concrete preparation. The adsorption inhibitor is prepared by the following steps: sequentially adding 50-52.5 weight parts of an anti-corrosion rheological agent, 5-20 weight parts of methanol, 0.5-2 weight parts of sulfonated melamine, 2-5 weight parts of EDTA, 20-30 weight parts of an organosilicon compound, and 5-10 weight parts of stearate into a mixing container, and performing stirring well. The anti-corrosion rheological agent is a microbead. The adsorption inhibitor solves problems of strong water absorption, high adsorption of a water reducing agent, etc. of oil shale semicoke, reduces the use amount of the water reducing agent in concrete production, and can also reduce power consumption during grinding, thereby realizing high-value resource utilization of the oil shale semicoke.

Abstract: The present disclosure provides a multifunctional fuse. The multifunctional fuse includes a fuse element, a pre-charging resistor, and an inner housing. The inner housing is provided with a receiving cavity, the fuse element is received in the receiving cavity, and the pre-charging resistor is wound around an outer side of the inner housing and is in contact with the inner housing. The multifunctional fuse of the present disclosure resolves problems of large volumes and high costs of a pre-charging resistor and a fuse in a high voltage circuit in the related art.

Abstract: The present disclosure discloses an oil shale semicoke adsorption inhibitor and use thereof in concrete preparation. The adsorption inhibitor is prepared by the following steps: sequentially adding 50-52.5 weight parts of an anti-corrosion rheological agent, 5-20 weight parts of methanol, 0.5-2 weight parts of sulfonated melamine, 2-5 weight parts of EDTA, 20-30 weight parts of an organosilicon compound, and 5-10 weight parts of stearate into a mixing container, and performing stirring well. The anti-corrosion rheological agent is a microbead. The adsorption inhibitor solves problems of strong water absorption, high adsorption of a water reducing agent, etc. of oil shale semicoke, reduces the use amount of the water reducing agent in concrete production, and can also reduce power consumption during grinding, thereby realizing high-value resource utilization of the oil shale semicoke.

Abstract: The present disclosure provides a multifunctional fuse. The multifunctional fuse includes a fuse element, a pre-charging resistor, and an inner housing. The inner housing is provided with a receiving cavity, the fuse element is received in the receiving cavity, and the pre-charging resistor is wound around an outer side of the inner housing and is in contact with the inner housing. The multifunctional fuse of the present disclosure resolves problems of large volumes and high costs of a pre-charging resistor and a fuse in a high voltage circuit in the related art.

Abstract: An aerosol-generation article includes: an aerosol-generation substrate including a solid substrate. The aerosol-generation article generates heat under action of an alternating electric field to form aerosols through vaporization. In an embodiment, the aerosol-generation substrate includes polar molecules. In an embodiment, the polar molecules are at least one of water, alcohols, aldehydes, ketones, lipids, phenols, terpenoids, or low-grade fatty acids.

Abstract: The present disclosure provides a picture processing method and device, including: an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU; the IC pre-processing the to-be-processed picture; the IC performing counter-distortion process on the pre-processed picture; and the IC outputting the picture which is subjected to the counter-distortion process for display.

Abstract: The display technologies relate to a method and computer-readable medium for displaying image and to a display device configured to perform the method for displaying image. The image display method includes acquiring an image for display in an nth frame on a display screen; detecting a first sub-image and a second sub-image within the image, a resolution of the first sub-image being higher than a resolution of the second sub-image; comparing the first sub-image in the nth frame with a corresponding sub-image in an (n?1)th frame; and refreshing a localized area of the display screen positionally corresponding to the first sub-image to display an interpolated sub-image in the localized area.

Abstract: An electronic smoking device, a heating method thereof and a computer storage medium are provided in the present disclosure. The electronic smoking device may at least include a heat generator. The heat generator may be configured to heat an aerosol generating substance. The heating method may include: obtaining a current electrical-characteristic value of the heat generator; determining a current temperature value of the heat generator based on the current electrical-characteristic value and a pre-acquired heat generator parameter; the heat generator parameter may represent a corresponding relation between the electrical-characteristic values and the temperature values of the heat generator; adjusting the current temperature value of the heat generator based on a current heating time, a current temperature value and the pre-acquired heating parameter. The heating parameter may represent a corresponding relation between heating time and the temperature values.

Abstract: A method of recommending content, an electronic device, and a computer-readable storage medium, relate to a field of artificial intelligence, especially a field of intelligent recommendation. The method includes: determining a target content from candidate contents based on a query of a user, the candidate contents being determined based on a content-related user attention; determining an estimated user cost for acquiring the target content, based on a historical click-through rate for the target content, a historical conversion rate for the target content, and a historical user cost for acquiring the target content; determining one or more recommendation scores for the target content based on the estimated user cost; and recommending a content to the user based on the one or more recommendation scores.

Abstract: A method for processing image data with reduced transmission bandwidth is provided. The method includes receiving a first set of data for image in a first resolution and receiving a center coordinate. The method further includes determining a high-definition region including an area and a boundary centered on the center coordinate. Additionally, the method includes rendering the first set of data based on the center coordinate and the area of the high-definition region to obtain a first subset of data. Furthermore, the method includes rendering a set of data compressed from the first set of data to obtain a second subset of data beyond the boundary. Moreover, the method includes transmitting a second set of image data to the display panel combining the first subset of data for display image in the first resolution and the second subset of data to display image in the second resolution.

Abstract: A display driving control circuit, a display panel, and a driving control method are disclosed. A driving control sub-circuit in the display driving control circuit includes a first data selection sub-circuit, a second data selection sub-circuit, a third data selection sub-circuit, and a fourth data selection circuit. The first data selection sub-circuit, the second data selection sub-circuit, the third data selection sub-circuit, and the fourth data selection circuit are electrically connected to a first selection signal line respectively. The first data selection sub-circuit and the third data selection sub-circuit are electrically connected to a first data channel signal line, and the second data selection sub-circuit and the fourth data selection sub-circuit are electrically connected to a second data channel signal line.

Abstract: The present disclosure provides a display panel, a method of driving the display panel and a display device. Each signal input sub-circuitry of the display panel includes at least two transistors. A same control signal is applied to control signal lines corresponding to a same signal input sub-circuitry, different control signals are applied to control signal lines corresponding to different signal input sub-circuitries, and time periods within which the different control signals are at active levels are staggered from each other. A sum of width-to-length ratios of channels of the at least two transistors is equal to a first predetermined value, and an overlapping area of the gate electrode of each of the at least two transistors relative to an active layer of the transistor is smaller than a second predetermined value in a direction perpendicular to a base substrate of the display panel.

Abstract: The present disclosure provides a picture processing method and device, including: an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU; the IC pre-processing the to-be-processed picture; the IC performing counter-distortion process on the pre-processed picture; and the IC outputting the picture which is subjected to the counter-distortion process for display.

Abstract: A method for driving a display panel, a display drive circuit, a display device and a computer device are disclosed. After receiving an image to be displayed sent by a graphics processor, a data drive chip controls respective rows of sub-pixels containing a high-definition display area in a connected display panel to be scanned line by line according to a position of the high-definition display area in the image to be displayed, and at the same time, the data drive chip controls respective rows of sub-pixels containing only a low-definition display area in the display panel to be scanned per N rows simultaneously according to a position of the low-definition display area in the image to be displayed, where N is an even number greater than 1.