Abstract: An obstacle avoidance method for a robot, an obstacle avoidance apparatus for a robot, a robot, a computer-readable storage medium, and an electronic device are disclosed. The obstacle avoidance method for a robot includes: determining a target traveling position of the robot determining an avoidance mode of the robot and controlling the robot to travel along an outer edge of a first obstacle so as to bypass the first obstacle, in response to detecting that the first obstacle exists between a current position of the robot and the target traveling position during traveling of the robot, where the height of the first obstacle is less than a measurement height range of the robot. The operational efficiency of the robot can be improved, and the operational continuity of the robot can be enhanced.

Abstract: An escaping method of a cleaning robot includes: when the cleaning robot encounters an obstacle and turns around while performing cleaning along an edge of a first surface medium area, in response to a surface medium change signal from the surface medium sensor indicates that a second surface medium area is detected, searching an established room map to determine whether the second surface medium area exists in the room map; if the second surface medium area exists, determining whether a route bypassing the second surface medium area exists based on the room map and a boundary of the second surface medium area in the room map; if the route exists, controlling the cleaning robot to travel along the route to bypass the second surface medium area; and if the route does not exist, controlling the cleaning robot to return along a cleaned route to bypass the second surface medium area.

Abstract: The present disclosure relates to a carrier for sustained-release of a drug and use thereof. The carrier is used to carry a drug. The carrier is in a gel state, a semi-solid state, or a solid state. The carrier includes a polyol fatty acid ester as a main component and a hydrogenated vegetable oil dissolved in the polyol fatty acid ester. The state of the sustained-release carrier can be adjusted by adjusting the amount of the dissolved hydrogenated vegetable oil.

Abstract: The present application discloses a sound-output device, including a signal processing circuit, configured to generate a bone-conducted control signal and an air-conducted control signal based on an initial sound signal; a vibration speaker, configured to generate a bone-conducted sound wave based on the bone-conducted control signal; and an air-conduction speaker, configured to generate an air-conducted sound wave based on the air-conducted control signal, wherein a signal component of at least partial frequency band in the air-conducted control signal has an amplitude and a phase canceling at least partial leakage of sound generated by the vibration speaker, such that at least partial component in the air-conducted sound wave cancels the at least partial leakage of sound.

Abstract: Systems and methods for customer journey optimization in email marketing are described. The systems and methods may identify a plurality of messages for a first time period, wherein the plurality of messages are categorized according to a plurality of messages types, identify user information for a customer, wherein the user information includes user interaction data, determine a message type from the plurality of message types for the first time period based on the user information, wherein the message type is determined using a decision making model comprising a deep Q-learning neural network, select a message from the plurality of messages based on the determined message type, and transmit the message to the customer during the first time period based on the selection.

Abstract: A method and apparatus for transmitting and receiving uplink control information. The method includes: determining a channel access type of an uplink control channel used for transmitting uplink control information by a terminal equipment; and detecting a channel according to the channel access type and transmitting the uplink control information to a network device after the channel is detected as being idle, or not detecting a channel according to the channel access type and transmitting the uplink control information to the network device. Hence, in some scenarios, uplink control information may be transmitted without detecting a channel, which may lower latency and improve transmission efficiency; and in some other scenarios, uplink control information may be transmitted after the channel is detected as being idle, which may avoid or lower interference and improve reliability of transmission.

Abstract: The present disclosure relates to a loudspeaker. The loudspeaker may include a loudspeaker mechanism, a fixing mechanism, and a connector. The loudspeaker mechanism may be configured to generate a vibration signal and transmit the vibration signal to the human body. The fixing mechanism may be configured to support and maintain the position of the loudspeaker mechanism. The connector may be configured to connect the loudspeaker mechanism with the fixing mechanism. The loudspeaker mechanism may at least include a first fixed position and a second fixed position. The first fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a non-working state. The second fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a working state. The connector may be configured to switch the loudspeaker mechanism between the first fixed position and the second fixed position.

Abstract: Embodiments of the present disclosure discloses a method of information displaying, apparatus and an electronic device. The method comprises: displaying at least two session screening identifications in a first display area of a first message page, the at least two session screening identifications comprising: a first screening identification for indicating that a new message in a session is notified with a first notification strategy, and a second screening identification for indicating that a new message in the session is notified with a second notification strategy; and displaying information of each session corresponding to a currently selected session screening identification in a second display area of a second message page. The method may only display sessions that match user requests, reducing operations of users searching for required sessions in all sessions lists and saving time for users to browse required sessions.

Abstract: Provided is a method for determining a degree of quantum entanglement, a computing device and a storage medium. The method includes: determining a target parameter value of a target adjustable parameter in a sub-circuit of a target quantum circuit, obtaining state information of the auxiliary register in the target quantum circuit, in a case of the target adjustable parameter has the target parameter value, a first input state of the auxiliary register is a preset initial state, and a second input state of the main register includes at least the first quantum state; estimating the k-order trace of the first quantum state under the first error condition based on the state information of the auxiliary register; and determining a degree of entanglement corresponding to the first quantum state based on at least the k-order trace of the first quantum state.

Abstract: This disclosure provides a data processing method. The method includes: A backup server receives a metadata obtaining command, where the metadata obtaining command is used to obtain file system metadata in a first format, and the command includes an identifier of a to-be-read target directory. The backup server obtains, from a metadata storage area of an archive storage based on the identifier of the target directory, file system metadata that is in a second format and that corresponds to the target directory, converts the file system metadata that is in the second format and that corresponds to the target directory into file system metadata that is in the first format and that corresponds to the target directory, and returns the file system metadata.

Abstract: The technology described herein is directed to systems, methods, and software for indexing video. In an implementation, a method comprises identifying one or more regions of interest around target content in a frame of the video. Further, the method includes identifying, in a portion of the frame outside a region of interest, potentially empty regions adjacent to the region of interest. The method continues with identifying at least one empty region of the potentially empty regions that satisfies one or more criteria and classifying at least the one empty region as a negative sample of the target content. In some implementations, the negative sample of the target content in a set of negative samples of the target content, with which to train a machine learning model employed to identify instances of the target content.

Abstract: The present application discloses a sound-output device, including a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The sound-output device further comprises a signal processing module configured to generate a control signal, wherein, the vibration speaker includes a vibration assembly electrically connected to the signal processing module to receive the control signal, and generate the bone-conducted sound wave based on the control signal, and the air-conducted speaker includes a housing coupled to the vibration assembly to generate the air-conducted sound wave based on the bone-conducted sound wave.

Abstract: Disclosed a method for predicting permeability of a multi-mineral phase digital core based on deep learning. In the present disclosure, a three-dimensional digital core is constructed and a pore structure is randomly generated; after a plurality of multi-mineral digital core images is acquired by performing image segmentation on the three-dimensional digital core, permeability corresponding to each of the multi-mineral digital core images is acquired by simulation using multi-physics field simulation software and a multi-mineral digital core data set is constructed based on the plurality of multi-mineral digital core images and the permeability corresponding to each of the multi-mineral digital core images; an SE-ResNet18 convolutional neural network is constructed and trained with the multi-mineral digital core data set; and an image of a multi-mineral core to be predicted is input into the trained SE-ResNet18 convolutional neural network to determine the permeability of the multi-mineral core.

Abstract: The present disclosure provides an earphone comprising a sound production component and an ear hook. In a wearing state, the ear hook is configured to place the sound production component at a position near an ear canal but not blocking the ear canal. An inner contour of the ear hook's projection on a user's sagittal plane includes a first curve having an extremum point in a first direction. The first direction is perpendicular to a long-axis direction of a projection of the sound production component on the sagittal plane. The extremum point is located behind a projection point of an upper vertex of the ear hook on the sagittal plane, and the upper vertex is a highest point of an inner contour of the ear hook along the user's vertical axis. An inclination angle of the long-axis direction relative to a horizontal direction is within a range of 13°-21°.

Abstract: The embodiment of the present disclosure provides a method and an Internet of Things system for monitoring a smart gas pipeline network based on an ultrasonic flowmeter. The method is implemented by a smart gas management platform of the Internet of Things system, including: acquiring distributed ultrasonic data for least at one moment, the distributed ultrasonic data including ultrasonic data acquired by the ultrasonic flowmeter and the ultrasonic flowmeter being deployed at at least one detection position of the gas pipeline network; determining a leakage risk of at least one preset point of the gas pipeline network based on the distributed ultrasonic data; and generating and sending warning information to a user based on the leakage risk.

Abstract: The present disclosure discloses an acoustic output device. The acoustic output device may include a first acoustic driver including a first diaphragm; a second acoustic driver including a second diaphragm; a control circuit electrically connected with the first acoustic driver and the second acoustic driver respectively, the control circuit provides a first electrical signal for driving a vibration of the first diaphragm, and a second electrical signal for driving a vibration of the second diaphragm, and a phase of the first electrical signal and a phase of the second electrical signal are opposite; and a housing supporting the first acoustic driver and the second acoustic driver, wherein a sound generated by the vibration of the first diaphragm is radiated outward through a first sound guide hole on the housing, and a sound generated by the vibration of the second diaphragm is radiated outward through a second sound guide hole on the housing.

Abstract: The present invention provides phthalate free impact resistant polypropylene copolymer and methods of preparation, which are produced directly from the polymerization reactor system without further compounding of components which significantly alters the physical properties of the resulting polymer. The copolymer according to the present invention possesses both low temperature ductility and high flexural modulus, wherein said polymer is produced in the presence of a phthalate free ZN catalyst comprising urea component.