Abstract: This disclosure provides a method and an apparatus for determining available energy of a battery, a battery management system, and a storage medium, and relates to the field of battery technologies. The method includes: obtaining a DOD interval corresponding to a current SOC interval of the battery, and a cycle quantity and a cycle temperature that correspond to the DOD interval; obtaining recoverable energy information of the battery based on the DOD interval, the cycle quantity, and the cycle temperature; and determining current remaining available energy of the battery based on the recoverable energy information. For a battery with a recoverable attenuation capacity, the method, the apparatus, the battery management system, and the storage medium in this disclosure could help improve accuracy in estimating remaining available energy of the battery, thereby improving battery reliability, prolonging a service life of the battery, and enhancing user experience.

Abstract: Building machine learning models by receiving, a plurality of training process scores associated with the model parameter lists, determining, a best model parameter list according to the training process scores, determining a descendant model parameter list according to the best model parameter list, wherein the descendant parameter list comprises a portion of the best model parameter list, distributing the descendant model parameter list, conducting a model training process according to the descendant model parameter list, determining a training process score according to the descendant model parameter list, and sending the training process score for the descendant model parameter list.

Abstract: A vacuum system having a condenser and a root vacuum pump set includes an independent inlet condenser set having an inlet end for receiving vapor inputted from an output of an air cooling power generator condenser of a generator; air in the vapor being condensed, and the surplus air is outputted; a root vacuum pump set including a plurality of root vacuum pumps; the root vacuum pump set further including an input end and an output end; the input end being connected to the independent inlet condenser set; air outputted from the independent inlet condenser set being inputted to the plurality of root vacuum pump for compression and then the compressed air being outputted from the output end; and a backing pump connected to the output end of the root vacuum pump set by using an output pipe; the backing pump serving to receive air outputted from the root vacuum pump set.

Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a negative liquid crystal composition and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The present invention discloses a negative dielectric nematic liquid crystal composition, comprising a compound represented by Formula I, one or more compounds represented by Formula II, and one or more compounds represented by Formula III. The liquid crystal composition has a relatively low rotational viscosity (?1), a high clearing point (Cp), a good solubility and a high stability to heat and light (VHR) on the basis of maintaining an appropriate optical anisotropy (?n), and can be used for developing a liquid crystal display element or liquid crystal display with a low cell thickness, a wide temperature for display, and a fast response.

Abstract: A display panel has a plurality of sub-pixel regions arranged in an array of a plurality of rows and a plurality of columns, and a light-shielding region that separates the sub-pixel regions and surrounds all the sub-pixel regions as a whole. The display panel includes: a first substrate; a light-shielding pattern layer located on the first substrate, the light-shielding pattern layer being located in the light-shielding region and covering part of the light-shielding region; a second substrate disposed opposite to the first substrate; and a light-shielding structure layer located on the second substrate, the light-shielding structure layer covering at least a region of the light-shielding region that is not covered by the light-shielding pattern layer.

Abstract: A data analysis method for optimization of aluminum anodizing and dyeing process acquires a plurality of sample data groups, each sample data groups comprising dyeing result data and parameter data of multiple processing parameters. Contribution value of each processing parameter data relative to the dyeing result data in each of the plurality of sample data groups is determined, and the contribution values are used to determine at least one essential processing parameter. The essential processing parameters are then adjusted according to a data analysis result for improving quality of products. A computing device and storage medium are also provided.

Abstract: This disclosure provides a method and an apparatus for correcting a state of health of a battery, a battery management system, and a storage medium, and relates to the field of battery technologies. The method includes: determining whether a current voltage value of a battery cell is within a correction OCV section of the battery cell; if yes, using the current voltage value of the battery cell as a correction voltage value; and acquiring an SOC correction value, and correcting a state of health (SOH) of the battery cell. According to the method, the apparatus, the battery management system, and the storage medium in this disclosure, reliability of an SOH correction result is improved, thereby providing accurate estimation of the state of health of the battery, a prolonged service life of the battery, and better user experience.

Abstract: A high-performance positive electrode catalyst for a metal-air battery is disclosed, which is composed of transition metal nitride-transition metal oxide heterogeneous particles and a mesoporous carbon matrix. The nano heterogeneous particles, which are 10-50% based on the total mass of the catalyst, are dispersed in the mesoporous carbon matrix; and the oxide is 10-100% based on the heterogeneous particles. A preparation method of the catalyst includes: treating mesoporous carbon with a strong acid solution to obtain surface-functionalized mesoporous carbon; immersing the surface-functionalized mesoporous carbon in an aqueous solution of a transition metal salt, and stirring and washing; adding ammonia water and stirring to enable a confined complexation reaction; washing again, and vacuum drying; and calcining the product in an inert atmosphere or a vacuum condition.

Abstract: A display substrate and a display device are provided. The display substrate includes first sub-pixel circuits, first light emitting units, second sub-pixel circuits and second light emitting units. The display substrate includes a pixel circuit column group including a first pixel circuit column, a second pixel circuit column, a third pixel circuit column and a fourth pixel circuit column which are respectively connected with a first data line, a second data line, a third data line and a fourth data line. The second data line, the third data line and the fourth data line are disconnected to form first breaks, data lines at two side of the first break are connected with the first sub-pixel circuit and the second sub-pixel circuit respectively; the second data line is connected with the third data line or the fourth data line at the first break through a data line connection portion.

Abstract: Embodiments include a user equipment (UE) and methods performed by the UE. The methods include receiving a measurement configuration request from a network, in response to the measurement configuration request, measuring a quality of one or more uplink (UL) carrier aggregation (CA) combinations, wherein each UL CA combination comprises a plurality of component carriers, generating a message that includes the quality of the one or more UL CA combinations and transmitting the message to the network. Further embodiments include the above operations being performed as a set of instructions executed by a processor or an integrated circuit that includes circuitry to perform the operations.

Abstract: Embodiments for training a recommendation system to provide merchant recommendations comprise receiving, by a processor, raw merchant embeddings and raw user embeddings generated from payment transaction records, wherein the raw merchant embeddings include a plurality of embedded features. A generative adversarial network (GAN) is trained to generate modified merchant embeddings from the raw merchant embeddings, where the modified embeddings remove a location feature. Subsequent to training and responsive to receiving a request for merchant recommendations in the target location for the target user, the GAN and a trained preference model are used to generate a list of merchant rankings based on a new set of modified merchant embeddings, past preferences of a target user, and the target location to recommend merchants in the target location.

Abstract: Provided are a display substrate and a manufacturing method therefor, and a display apparatus. The display substrate comprises a pixel region, a plurality of sub-pixels, a plurality of first power lines and a fan-out region. An included angle between a second direction and a first direction ranges from 80° to 100°. At least some of the first power lines extend in the first direction. An outer side of the pixel region is provided with a first side and a second side, which are arranged in the first direction. The fanout region is located on the first side.

Abstract: A three-dimensional (3D) memory device includes a stack structure including a first stack structure and a second stack structure over the first stack structure, and a barrier layer disposed in a first channel hole in the first stack structure.

Abstract: A battery of a preselected type advantageously has a beveled edge formed between a front-end surface and a lateral surface of the battery. In a battery charger, a slot has a cap formed with an interior channel for receiving a front-end portion of the preselected-type battery. The cap has a stopping member for stopping the preselected-type battery so as to receive recharging. Advantageously, the stopping member may be shaped to complement the beveled edge for seamlessly receiving the beveled edge when the preselected-type battery is inserted into the slot. A mismatch between the stopping member and a line edge of an unaccepted-type battery causes the stopping member to block the unaccepted-type battery from reaching deeper into the channel than the preselected-type battery when the unaccepted-type battery is inserted, disconnecting a positive charging terminal from the unaccepted-type battery to avoid the charger from accidentally recharging the unaccepted-type battery.

Abstract: Embodiments of a method are disclosed. The method includes performing a batch of decentralized deep learning training for a machine learning model in coordination with multiple local homogenous learners on a deep learning training compute node, and in coordination with multiple super learners on corresponding deep learning training compute nodes. The method also includes exchanging communications with the super learners in accordance with an asynchronous decentralized parallel stochastic gradient descent (ADPSGD) protocol. The communications are associated with the batch of deep learning training.

Abstract: A connector assembly includes a first connector and a second connector matable with the first connector. The first connector has a first housing and a pair of first conductive terminals disposed in the first housing each having a pair of first elastic terminals arranged symmetrically in a vertical direction. Each pair of first elastic terminals has a pair of front ends adapted to be brought into elastic and electrical contact with a pair of first wires inserted into the first connector. The second connector has a second housing and a pair of second conductive terminals disposed in the second housing each having a rear end adapted to be brought into elastic and electrical contact with a second wire inserted into the second connector. The pair of first elastic terminals each have a rear end adapted to clamp a front end of one of the second conductive terminals.

Abstract: Embodiments disclose a method and a device for processing frequency converter monitoring data and a storage medium. An embodiment of the method includes: acquiring a script file containing a monitoring parameter specifying field and a storage location; parsing the script file to acquire the storage location and the monitoring parameter specifying field and determining the monitoring parameter specified by the monitoring parameter specifying field; collecting the monitoring data corresponding to the monitoring parameter; and storing the monitoring data in the storage location. The embodiments provide a script file based processing solution for frequency converter monitoring data, without no special tracking or debugging software tool required. Thus, the implementation complexity is reduced and the service cost and time are saved.

Abstract: The present application provides a charge and discharge circuit, and relates to the field of battery power. The charge and discharge circuit comprises: a charge circuit comprising a battery pack, a first switch set and a charging device connected in series; and a discharge circuit comprising the battery pack, a second switch set and an electrical device connected in series; both the first switch set and the second switch set comprise at least one switch, and the at least one switch in the first and/or second switch set is a semiconductor switch.

Abstract: A time of flight (TOF) assembly includes a laser light source, one or more photo detectors and a detection circuit. The one or more photo detectors are configured to receive light and convert the received light into an electric signal. The detection circuit is configured to send a turning-off control signal to turn off the laser light source in response to the electric signal indicating that a time length, in which the laser light source is in an effective working state within a first duration, is greater than a preset time length threshold value or the electric signal indicating that energy of light emitted from the laser light source within a second duration is greater than a preset energy threshold. The disclosure also provides a terminal device and a control method for a TOF assembly.

Abstract: The present disclosure is directed to compounds of formula (1): wherein X, Y, R1, R2 and R3 are as described herein, as stereoisomers, enantiomers or tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, and pharmaceutical compositions comprising the compounds of formula (I), as described herein, which are useful as voltage-gated sodium channel modulators and are therefore are useful in treating seizure disorders such as epilepsy.