Abstract: A laser projection apparatus includes a laser source, a light modulating device, a projection lens, and a circuit system. The circuit system is configured to control the laser source to emit laser beams of at least N primary colors. N is an integer greater than or equal to 3. The circuit system structure includes a display control circuit and a laser source driving circuit. The display control circuit is configured to output N PWM signals and three enable signals. The laser source driving circuit is electrically connected to the display control circuit, and is configured to receive N PWM signals and three enable signals, so as to drive laser chips of corresponding colors to emit laser beams of the at least N colors.

Abstract: The present disclosure provides a quantum dot light-emitting diode (QLED) and a preparation method thereof. The QLED includes an anode and a cathode that are oppositely arranged, a quantum dot luminescent layer arranged between the anode and the cathode, and an electron transport layer (ETL) arranged between the quantum dot luminescent layer and the cathode. The ETL includes a first ETL, and the first ETL is a zinc oxide film with a surface hydroxyl content of less than or equal to 0.4. Alternatively, the ETL includes zinc oxide, and at least a part of a surface of the zinc oxide includes an amino ligand and/or a carboxyl ligand with 3 to 7 carbon atoms. In the present application, the QLED improves a service life of a QLED-based device effectively.

Abstract: A magnetoresistive random access memory (MRAM) device includes a first array region and a second array region on a substrate, a first magnetic tunneling junction (MTJ) on the first array region, a first top electrode on the first MTJ, a second MTJ on the second array region, and a second top electrode on the second MTJ. Preferably, the first top electrode and the second top electrode include different nitrogen to titanium (N/Ti) ratios.

Abstract: Methods and devices including an air gap adjacent a contact element extending to a source/drain feature of a device are described. Some embodiments of the method include depositing a dummy layer, which is subsequently removed to form the air gap. The dummy layer and subsequent air gap may be formed after a SAC dielectric layer such as silicon nitride is formed over an adjacent metal gate structure.

Abstract: The present disclosure provides a terminal vibration evaluation method performed by an electronic device. The method includes: acquiring an actual vibration curve of a target terminal when a target game scenario is displayed; acquiring a predefined vibration description file associated with the target game scenario, and determining a predefined vibration curve according to the predefined vibration description file; determining target deviation data between the actual vibration curve and the predefined vibration curve; and determining, according to the target deviation data, whether vibration of the target terminal matches the target game scenario. The present disclosure provides a measurement solution used for determining whether terminal vibration matches a game scenario (for example, a game sound and a game picture), which helps improve a matching degree between terminal vibration and the game scenario, thereby improving a sense of substitution of the game and a sense of immersion of a player.

Abstract: A cabin heating circuit includes a first pump, a heat source, and a heater core. A battery heating circuit includes a first flow path that branches off from the cabin heating circuit at a three-way flow control valve. The battery heating circuit further includes a second flow path that is independent of the first flow path. The first flow path and the second flow path are thermally coupled by a heat exchanger. The second flow path includes the heat exchanger, a second pump, and a battery heat exchanger. The control unit adjusts an output of the heat source, an opening degree of the three-way flow control valve, an output of the first pump, and an output of the second pump. If a cabin and a battery are heated simultaneously, the control unit regulates the output of the first pump and/or the output of the second pump.

Abstract: An edge exposure tool may include a lens adjustment device that is capable of automatically adjusting various parameters of an edge exposure lens to account for changes in operating parameters of the edge exposure tool. In some implementations, the edge exposure tool may also include a controller that is capable of determining edge adjustment parameters for the edge exposure lens and exposure control parameters for the edge exposure tool using techniques such as big data mining, machine learning, and neural network processing. The lens adjustment device and the controller are capable of reducing and/or preventing the performance of the edge exposure tool from drifting out of tolerance, which may maintain the operation performance of the edge exposure tool and reduce the likelihood of wafer scratching, and may reduce the down-time of the edge exposure tool that would otherwise be caused by cleaning and calibration of the edge exposure lens.

Abstract: The present application discloses a QLED and a preparation method thereof. The QLED comprises an anode and a cathode being oppositely arranged, a quantum dot luminescent layer arranged between the anode and cathode, and an ETL arranged between the quantum dot luminescent layer and the cathode. Where the ETL includes a first ETL, and the first ETL is a zinc oxide film with a surface hydroxyl content being greater than or equal to 0.6. Or alternatively, the ETL contains zinc oxide, and the surface of at least some of the zinc oxide contains amino ligands and/or carboxyl ligands with 8-18 carbon atoms. The QLED provided in the present application improves an external quantum efficiency of the QLED device effectively.

Abstract: A signal transmission method includes determining, by a terminal, that a first subband is an available resource or an unavailable resource according to a resource type of the first subband; and performing, by the terminal, transmission of a first signal on the basis of the first subband in a case that the first subband is an available resource, where the first signal includes an SRS and/or a CSI-RS.

Abstract: An antenna structure includes a metal mechanism element, a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a sixth radiation element, and a tuning circuit. A slot is formed in the metal mechanism element. The first radiation element is coupled to the feeding radiation element. The tuning circuit is coupled to the first radiation element. The second radiation element is coupled to the feeding radiation element. The third radiation element is coupled to a first grounding point on the metal mechanism element. The fourth radiation element is coupled to a second grounding point on the metal mechanism element. The fifth radiation element is coupled to a third grounding point on the metal mechanism element.

Abstract: At least one processor identifies dependency relationships among libraries in a repository of libraries. Using the dependency relationships among libraries, at least one machine learning model can be created that predicts with a confidence value a dependency between a given library and a target library. An L layer tree-like graph can be created, using the dependency relationships among libraries and an application package. L can be configurable. Versions of the libraries to use can be determined by running the at least one machine learning model for each pair of nodes having a dependency relationship in the L layer tree-like graph, the at least one machine learning model identifying the dependency relationship with a confidence value, where pairs of nodes having largest confidence values are selected as the versions of the libraries to use in the application package.

Abstract: A battery pack includes a group of cells, a current path switch coupled to the group of cells, and a current monitoring system. The current monitoring system includes a signal detection unit, a logic unit and a current path control unit. The signal detection unit is coupled to the group of cells and/or a positive terminal of the battery pack, and used to detect at least one voltage signal of the group of cells and/or of the positive terminal of the battery pack. The logic unit is coupled to the signal detection unit, and used to generate a calculated value of a voltage signal of the at least one voltage signal and generate a logic signal according to the calculated value. The current path control unit is coupled to the logic unit and the current path switch, and used to control the current path switch according to the logic signal.

Abstract: A plasma-assisted annealing system includes a high temperature furnace, a plasma-induced dissociator and a connecting duct. The plasma-induced dissociator is provided to dissociate a working gas and exhaust the dissociated working gas from its working gas outlet. Both ends of the connecting duct are connected to the working gas outlet of the plasma-induced dissociator and a gas inlet of the high temperature furnace, respectively. The working gas dissociated in the plasma-induced dissociator is introduced into the high temperature furnace via the connecting duct.

Abstract: A chassis quick release device includes a housing including a base provided with a sliding channel, a compression space, and accommodating space, a rotating space and a shaft in the rotating space and covered with a cover, a locking block linearly movably set in the accommodating space and providing a guide groove, a guide chamber, a receiving groove and an elastic member set in the receiving groove, a locking member having a shaft hole coupled to the shaft, a rotary reset member positioned on the shaft, resisting edge located at one end thereof that can rotate and protrude from the housing and a locking edge located at the other end thereof, and an operating handle including a rod body positioned in the sliding channel, the guide groove and the guide chamber and mounted with a grp and having a locking portion stopped against the guide chamber.

Abstract: A transmission control method includes in a case that a resource collision exists between uplink transmission and downlink transmission of a terminal in time domain, obtaining, by the terminal, target information; and performing, by the terminal, a corresponding terminal behavior based on the target information, where the terminal is a terminal having an HD-FDD capability, and the target information includes at least one of the following: a configuration of a base station or a processing capability of the terminal.

Abstract: The disclosure generally pertains to systems and methods for predicting energy consumption in vehicles. In an example method, a predicted energy consumption model associated with a vehicle may be determined. Sensor data associated with the vehicle may be received via a plurality of sensors associated with the vehicle. A driver-based energy consumption model associated with the vehicle may then be determined based at least in part on the sensor data. An estimated energy consumption model associated with the vehicle may then be determined based at least in part on the predicted energy consumption model and the driver-based energy consumption model. A vehicle charging prediction model may then be determined based at least in part on the estimated energy consumption model.

Abstract: A method and an apparatus for determining an uplink transmission time window, a terminal, and a network-side device are disclosed. The method for determining an uplink transmission time window is performed by a terminal and includes: obtaining a first indication; and determining, based on the first indication and a first rule, a first time window in which one or more uplink transmissions satisfy a first transmission characteristic.

Abstract: An anaerobic-AO-SACR combined advanced nitrogen removal system for high ammonia-nitrogen wastewater, in which high ammonia-nitrogen wastewater first enters an anaerobic reactor to remove most of organic matters from the wastewater, effluent water enters an AO reactor for nitrogen removal by pre-denitrification in an anoxic zone and for removal of the remaining organic matters and nitrification of ammonia nitrogen in an aerobic zone, and then the effluent water enters an intermediate pool. Meanwhile, under the control of a water quality testing device and a PLC controller, a part of raw water is introduced into the intermediate pool to adjust the carbon nitrogen ratio of the wastewater.

Abstract: A frame rate adjustment method, apparatus and device, a computer-readable storage medium and a computer program product. The method includes: acquiring running data of a client during running in a foreground when the client in the terminal device supports dynamic frame rate switching; determining a running scenario of the client based on the running data; determining a target running frame rate of the client based on the running scenario; and performing, by the client, image outputting according to the target running frame rate, and triggering an operating system of the terminal device to adjust a refresh rate of a screen according to the target running frame rate.

Abstract: An electronic device is provided. The electronic device includes an antenna structure and a housing. The antenna structure includes a first radiating element, a grounding element, and a second radiating element. The first radiating element includes a first radiating portion and a grounding portion. Two ends of the grounding portion are respectively connected with the first radiating portion and the grounding element. The first radiating portion, the grounding portion and the grounding portion form a surrounding structure. The second radiating element includes a second radiating portion, a third radiating portion, a fourth radiating portion, and a feeding portion connected between the second radiating portion, the third radiating portion and the fourth radiating portion. The second radiating portion and the first radiating portion are separated from each other and couple to each other.