Abstract: A display device and a method for manufacturing a display device are provided. The display device includes: a display module including a non-casting area and a casting area at least partially around the non-casting area; and an injection molding edge sealing portion, arranged on a non-light-emitting side of the display module and located in an area of the casting area close to the non-casting area. The injection molding edge sealing portion includes an edge sealing glue arranged around the non-casting area, and the edge sealing glue is configured to seal with an injection mold.

Abstract: A motor control unit for an electric vehicle, a powertrain, and a control method for controlling a drive motor. The powertrain includes the motor control unit and the drive motor. The motor control unit is configured to: receive a torque signal and control the drive motor to output torque. The motor control unit is configured to: in response to that a decrease rate of a rotational speed of the drive motor is less than a preset rate and the rotational speed of the drive motor is less than a preset value, control the drive motor to output second positive torque, where the second positive torque is greater than a torque value indicated by the torque signal. Under the effect of the second positive torque, a braking speed or deceleration of the vehicle is accurately adjusted. This improves comfort of the vehicle during braking.

Abstract: A fracturing hose for a high-pressure oilfield includes: a hose and a connector disposed at an end of the hose, where an outer wall of the connector is provided with a limit groove and a flange; a limit assembly is disposed in the limit groove; the flange is sleeved outside the connector; and the limit assembly is configured to limit a position of the flange. The limit assembly can replace the limit screw used in the prior art. Without the limit screw, the limit assembly can also be mounted conveniently, and axially limit the position of the flange, thereby effectively preventing the situation that the limit screw is cut off by the flange in the prior art. When the flange moves relative to the connector and the limit assembly falls off the flange, the limit assembly can still remain as a whole on the limit groove.

Abstract: Systems and methods for secure user authentication are described. In certain embodiments, a client device such as a smartphone may be provisioned with a secure key and/or other secret information. The client device may be used to generate unique secure tokens and/or other credentials used in connection with an authentication process. A user may provide the generated tokens and/or other credentials to a service provider in connection with a request to access a managed service. The validity of the generated tokens and/or other credentials may be verified by an authentication service in communication with the service provider.

Abstract: A motor controller, a powertrain, and a vehicle are disclosed and relate to the field of new energy vehicles, and may be used in a pure electric vehicle and a hybrid vehicle. The motor controller includes an inverter circuit and a control circuit. The control circuit controls, in response to that an absolute value of a torque requirement indicated by a torque signal is greater than or equal to a preset torque value, the inverter circuit to output a three-phase alternating current. The control circuit controls, in response to that a rotation speed of the motor is less than a first rotation speed value or greater than a second rotation speed value and that the absolute value of the torque requirement indicated by the torque signal is less than the preset torque value, a plurality of switching transistors in the inverter circuit to be cut off.

Abstract: The present disclosure relates to a data processing method for a detector of a medical device, which includes: obtaining a plurality of dark current values of at least one detector channel of a detector within a preset time period, adjusting the plurality of dark current values based on a preset scanning precision to determine a plurality of adjusted dark current values, and determining a dark current compensation value corresponding to the at least one detector channel based on the plurality of adjusted dark current values.

Abstract: The deluge valve assembly includes: a deluge valve, in which the deluge valve includes a water inlet cavity, a water outlet cavity, and a diaphragm cavity. The water inlet cavity is suitable for communication with the fire protection pipe network so as to make water from the fire protection pipe network flow into the water inlet cavity; a water inlet pipeline, in which an inlet of the water inlet pipeline is connected with the water inlet cavity, and an outlet of the water inlet pipeline is connected with the diaphragm cavity; a water outlet pipeline, in which an inlet of the water outlet pipeline is connected with the diaphragm cavity; reinforcement members, in which at least two of the deluge valve, the water inlet pipeline, and the water outlet pipeline are connected through the reinforcement members. The deluge valve assembly has advantages of good performance in anti-vibration and reliability.

Abstract: A control method for seamless braking to stop of an electric vehicle, a vehicle controller, and an electric vehicle. At a first moment, four brake apparatuses of the electric vehicle are controlled to brake four wheels of the electric vehicle. After the first moment, a front drive motor is controlled to output front drive compensation torque, and a rear drive motor is controlled to output rear drive compensation torque. Directions of the front drive compensation torque and the rear drive compensation torque are the same as rotational speed directions of the wheels of the electric vehicle. Based on this, the front drive motor and the rear drive motor are controlled to output the compensation torque, to reduce a deceleration of the vehicle, thereby reducing shaking caused by a fast speed change rate of the electric vehicle during braking.

Abstract: A power conversion apparatus includes a direct current end, a positive direct current bus, a negative direct current bus, a positive bus capacitor, a negative bus capacitor, at least three inverter bridge arms, a switch unit, a controller, and filter inductors, filter capacitors, and alternating current ends that correspond to the at least three inverter bridge arms. A third end of each inverter bridge arm sequentially passes through a filter inductor, a filter capacitor, and a switch unit that correspond to each inverter bridge arm, and is connected to a bus midpoint. The controller is configured to: when a voltage of a power grid is less than or equal to a first voltage threshold, control the switch unit to be turned off or impedance of the switch unit to be increased; then control a amplitude of the modulated wave of each inverter bridge arm to increase.

Abstract: The systems and techniques described herein relate to predicting user conversions in online advertising. Input data associated with user and advertisement features may be processed through neural networks to generate embedding representations or feature cross representations. A multi-task layer calculates probabilities associated with multiple user actions like clicks, page views, sign-ups, or purchases. Click-through and view-through conversion probabilities may be calculated to generate a score. The systems and techniques described herein perform predictions on multiple types of user actions despite data sparsity and negative transfer challenges, enhancing advertisement targeting and improving conversion metrics.

Abstract: A display device and a display method are provided. The display device includes: a driving circuit; a first control circuit configured to, in response to a selection signal from the driving circuit being at a first level, send a first data signal to the driving circuit via the first data line so that the driving circuit drives the display panel to display in a first display mode; and a second control circuit configured to, in response to the selection signal being at a second level, send a second data signal to the driving circuit via the second data line so that the driving circuit drives the display panel to display in a second display mode. A display power of the display panel in the first display mode is greater than that in the second display mode.

Abstract: Disclosed in the present invention are a series of tricyclic compounds, and particularly disclosed are a compound shown in formula (I) or a pharmaceutically acceptable salt thereof.

Abstract: The present application provides a self-supervised learning method performed by a computer device. The method includes: performing a data enhancement on an original medical image to obtain a first enhanced image and a second enhanced image, the first enhanced image and the second enhanced image being positive samples of each other; performing feature extractions on the first enhanced image and the second enhanced image by a feature extraction model to obtain a first image feature of the first enhanced image and a second image feature of the second enhanced image; determining a model loss of the feature extraction model based on the first image feature, the second image feature, and a negative sample image feature, the negative sample image feature being an image feature corresponding to other original medical images; and training the feature extraction model based on the model loss.

Abstract: The present invention provides an application of ?-asarone in the preparation of a medicine for preventing or treating hemorrhagic strokes. ?-asarone has the structure shown in formula I, and may significantly improve short-term neurological deficits and long-term learning and memory functions of model rats, reduce cerebral edema, improve the permeability of the blood-brain barrier, and prevent or mitigate the atrophy of brain tissue during a recovery period. ?-asarone has a precise therapeutic effect on animal models of hemorrhagic stroke without obvious toxic side effects, and is expected to have great application prospects as a medicine for preventing/treating hemorrhagic strokes.

Abstract: A semiconductor device package comprises a semiconductor device, a first encapsulant surrounding the semiconductor device, a second encapsulant covering the semiconductor device and the first encapsulant, and a redistribution layer extending through the second encapsulant and electrically connected to the semiconductor device.

Abstract: Systems and methods for selecting items from a pool of items based on comparisons of composite embeddings are disclosed. A first initial embedding is obtained from a first database for each item in a pool of items and a second initial embedding is obtained from a second database for each item in the pool of items. The first initial embedding is generated using a first embedding model and the second initial embedding is generated using a second embedding model. A first composite embedding is generated for each item in the pool of items comprising the first initial embedding and the second initial embedding; and compare the first composite embedding for each item in the pool of items to a first anchor embedding, wherein the first anchor embedding comprises a first initial anchor embedding generated using the first embedding model and a second initial anchor embedding generated using the second embedding model.

Abstract: The present disclosure provides an extended screen control method, and a computer-readable storage medium. The method comprises: obtaining control information corresponding to the extended screen, according to a motion type of the terminal device, in which the motion type of the terminal device is determined according to motion data collected by the terminal device; and controlling the extended screen according to the control information.

Abstract: Examples described herein provide a computer-implemented method for reducing storage replication by operation logs in cloud multiple zone environments. The method includes deploying, at an operator engine, a custom resource, the custom resource defining multiple roles. The method further includes parsing the custom resource and calculating a calculated checksum for each of the multiple roles. The method further includes, for each of the multiple roles, comparing the calculated checksum to an expected checksum to determine whether a change in checksum has occurred. The method further includes, responsive to determining that the change in checksum has occurred for at least one of the roles of the multiple roles, executing role tasks for each of the at least one of the roles of the multiple roles for which the change in checksum has occurred.

Abstract: A motor control unit, a powertrain, and an anti-slip control method for an electric vehicle are described. The motor control unit is configured to control one drive motor to drive an electric vehicle and control a plurality of wheel end brake apparatuses of the electric vehicle, and the plurality of wheel end brake apparatuses are respectively configured to brake a plurality of wheels of the electric vehicle. The motor control unit is further configured to: in a process of controlling the one drive motor to drive the electric vehicle, in response to slipping of one wheel in the plurality of wheels, control one wheel end brake apparatus corresponding to the one wheel to brake the one wheel. Based on this, when one wheel of the electric vehicle slips, the motor control unit can perform control, so as to suppress the slipping of the wheel more quickly.

Abstract: Systems and methods for selecting items from a pool of items based on comparisons of composite embeddings are disclosed. An anchor embedding is generated for a target string. The anchor embedding is a composite embedding including at least a first initial embedding and a second initial embedding. An item embedding is obtained for each item in a pool of items. Each item embedding is a composite embedding including a first initial item embedding and a second initial item embedding. A similarity score is generated by comparing the item embedding to the anchor embedding for each item in the pool of items and a set of items is selected from the pool of items. The set of items includes a predetermined number of items in the pool of items having a highest similarity score.