Abstract: Well data (e.g., well log) may be divided into multiple segments, and different samplings of data in the individual segments may be performed to increase the amount of data that is used to train a seismic inversion model. Synthetic well data may be generated from real well data to increase the amount of well data from which sampling is performed.

Abstract: Systems and methods for multi-wordline direct refresh operations in response to a row hammer error in a memory bank. The approach includes detecting, by a row hammer mitigation component, a row hammer error in a memory bank; and then triggering, by the row hammer mitigation component, a response to the row hammer error. Further, a memory controller receives, from a mode register, data, based on an aliasing row counter policy, selecting a type of multi-wordline direct refresh operation to be performed on a plurality of victim memory rows within the memory bank, wherein the plurality of victim memory rows are dispersed across a plurality of memory sub-banks. The approach includes concurrently executing the selected multi-wordline direct refresh operation to the plurality of victim memory rows.

Abstract: An emulated card switching method, electronic device, and communication system are provided. The method includes sending first information to an near field communication (NFC) card reader which determines a first protocol based on the first information and a protocol supported by the NFC card reader, and performs a service process of the first protocol with the electronic device, if no identification information is obtained, modifying protocol information of a first emulated card from the first information to second information, sending the second information to the NFC card reader which obtains the second information from the electronic device, determines a second protocol based on the second information and the protocol supported by the NFC card reader, and performs a service process of the second protocol with the electronic device, and if identification information is obtained, switching the first emulated card to a second emulated card corresponding to the identification information.

Abstract: This application provides a fan and an electronic device. The fan includes a body, and an air duct, an air outlet and a flow guiding inlet are formed in the body; the air duct includes an air inlet area and an air outlet area, and a flow guiding member is disposed in the air outlet area; the flow guiding member and the body form a first channel, a second channel, and a third channel. After a main airflow in the air inlet area enters the first channel and the third channel, a negative pressure area is formed at the flow guiding outlet, a differential pressure exists between air pressures in the negative pressure area and the second channel, and the differential pressure enables air to enter the flow guiding cavity from the flow guiding inlet to form an induced airflow, thereby increasing an air output.

Abstract: An organic light-emitting device is provided. The device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. Various possibilities for the constituents of chemical structures in Formulas 1 and 2 are presented.

Abstract: A collaborative scheduling method for high-rise elevators based on Internet of Things is provided. The method includes: obtaining the number of people carried at the current moment of each elevator in the elevator group, the target distance corresponding to the current moment of each elevator, and the number of people waiting at the current moment of each floor; predicting the number of people waiting for the going up and the number of people waiting for the going down at the current moment of each floor based on the monitoring video data of the elevator door every day in the preset historical days, and constructing the corresponding feature vectors of each elevator at the current moment and the corresponding feature vectors of the skyscraper at the current moment, and then obtaining the corresponding state vectors at the current moment, controlling each elevator based on state vector and a reinforcement learning network.

Abstract: The present disclosure relates to a catalyst for direct nonoxidative conversion of methane and a method of preparing the same, and more particularly to a method of preparing a catalyst for direct nonoxidative conversion of methane, in which a catalyst optimized for the direct conversion reaction of methane can be easily prepared without precise control of the reaction conditions for direct conversion of methane, thereby simultaneously maximizing the catalytic reaction rate and minimizing coke formation, and exhibiting stable catalytic performance even after long-term operation, and to a catalyst for direct nonoxidative conversion of methane prepared using the above method.

Abstract: According to an embodiment, a liquid lens control apparatus includes a liquid lens configured to control an interface between liquids in response to a driving voltage, a voltage booster configured to increase the level of a supply voltage and output a voltage having a higher level than the supply voltage, a controller configured to control the driving voltage, and a gyro sensor configured to sense the movement of the liquid lens and output a signal corresponding to the movement of the liquid lens. The controller acquires a signal corresponding to the movement of the liquid lens output from the gyro sensor during a period in which the voltage booster is in an OFF state, and controls the driving voltage using the signal corresponding to the movement of the liquid lens.

Abstract: An apparatus for controlling a fuel tank according to an embodiment of the present disclosure may include a fuel tank having a plurality of volumes, and a controller that controls a charging state of a fuel charged in the fuel tank and selectively controls use of the fuel charged in the plurality of volumes based on an amount of the fuel used and a state of the fuel tank.

Abstract: An autonomous mobile robot is provided. The autonomous mobile robot includes an upper module including a cargo space provided therein, and a cover, a lower module positioned under the upper module and providing a driving force, a driving module provided in the lower module, and a control unit that controls an operation of the driving module, in which the driving module includes a plurality of pairs of wheels capable of asynchronously contacting a road surface or ground so as to overcome a step or a stair.

Abstract: Interface devices and systems that include interface devices are disclosed. In some implementations, a device includes a transceiver configured to transmit and receive data, a lane margining controller in communication with the transceiver and configured to control the transceiver to transmit, through a margin command, to an external device, a request for requesting a state of an elastic buffer of the external device, and control the transceiver to receive the state of the elastic buffer of from the external device, and a port setting controller adjust a clock frequency range of a spread spectrum clocking scheme based on the state of the elastic buffer.

Abstract: Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight of silicon particles. The silicon particles have an average particle size between about 0.1 ?m and about 30 ?m and a surface including nanometer-sized features. The composite material also includes greater than 0% and less than about 90% by weight of one or more types of carbon phases. At least one of the one or more types of carbon phases is a substantially continuous phase.

Abstract: A yarn including a plurality of twists formed by twisting single fiber strand or multiple fiber strands; and fiber grooves, which are spaces formed between the twists, to provide three-dimensional growth spaces and migration paths for cells. Accordingly, a cell proliferation rate and cell viability may be enhanced by creating microenvironments suitable for migration, proliferation and differentiation of cultured cells. In addition, cell clusters having more uniform shapes may be easily implemented by forming the proliferation spaces and migration paths for the cultured cells as similar as possible to each other in each scaffold. Further, the cells cultured thereby can be cultured in a suitable shape and structure to be applied to an in vitro experimental model or transplanted into the body of an animal, and can be widely applied in various products used in a cell culture or tissue engineering field.

Abstract: An energy conversion device is provided, including: a first electrical motor control circuit, where the first electrical motor control circuit is connected with a battery pack; a second electrical motor control circuit, where the second electrical motor control circuit is connected with the first electrical motor control circuit in parallel; and a controller, configured to: when operating in a first control mode, control the first electrical motor control circuit to charge and discharge the battery pack to heat the battery pack, and control the second electrical motor control circuit to output torque.

Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.

Abstract: A massager includes a massager main body, a driving source, a vibrating piece, and a vibrating assembly. The massager main body includes an installing portion and a massage portion connected to each other. The installing portion defines an installing cavity. The massage portion defines an accommodating cavity. The driving source is installed in the installing cavity. A first end of the vibrating piece is connected to the driving source and is driven to vibrate. A second end of the vibrating piece extends out of the installing cavity and is located on one side of the massage portion. The vibrating assembly is installed in the accommodating cavity and enables the massage portion to vibrate. The massage portion and the vibrating piece extend into a human body cavity and massage the human body cavity. A length of the vibrating piece is less than a length of the massage portion.

Abstract: Provided are an uplink transmission method and device. The uplink transmission method is applied to a first communication node and includes: receiving a downlink reference signal sent by a second communication node and acquiring downlink channel information; sending an uplink reference signal by using the downlink channel information; monitoring downlink control signaling sent by the second communication node, where the downlink control signaling includes a sub-band SRS resource indication; and sending an uplink transmission channel according to scheduling of the downlink control signaling.

Abstract: The present disclosure provides a method for managing traffic congestion in a smart city. The method includes predicting, based on a trained traffic state prediction model, one or more target areas where the traffic congestion is likely to occur from the preset area during a next time period by processing the traffic data information during the current time period, the traffic state prediction model being a Graph Neural Network (GNN) model and a predicted result being output by at least one node of a traffic state prediction model; determining whether a traffic scheduling strategy is needed to be switched based on traffic data information in the one or more target areas during the next time period; and in response to determining that the traffic scheduling strategy is needed to be switched, switching a first traffic scheduling strategy to a second traffic scheduling strategy.

Abstract: The embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastics. The method and system for producing refined hydrocarbons from waste plastics according to the present disclosure may minimize formation of an ammonium chloride salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons from waste plastics according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented, and may produce refined hydrocarbons having a low content of impurities and a low content of olefins, and solid coke.