Abstract: Disclosed is an organic electroluminescence device. The organic electroluminescence device has an organic layer having a specific combination in which a hole transporting material is doped with a p-type conductive doped material. The organic electroluminescence device can provide better device performance, such as lifetime improvement and voltage reduction.

Abstract: A foldable display apparatus includes: a housing, a display panel and one or more stretching assemblies. The housing includes a first sub-housing, a second sub-housing and a rotating shaft. The first and second sub-housings are rotatably connected through the rotating shaft. The display panel includes a bendable portion, and a first non-bendable portion and a second non-bendable portion respectively located on two sides of the bendable portion. The first non-bendable portion and the second non-bendable portion are accommodated in the first sub-housing and the second sub-housing, respectively. The bendable portion corresponds to the rotating shaft. At least one stretching assembly in the one or more stretching assemblies fixed to the second non-bendable portion and the second sub-housing, which is configured to apply force directed from the first non-bendable portion to the second non-bendable portion when foldable display apparatus is unfolded from a fold state.

Abstract: The robust dispatch method for flexibility resources of large-scale data center microgrid clusters characterizes overall scheduling capacity of multiple flexibility resources in each data center microgrid by establishing a virtual battery model, constructs an equivalent model of scheduling capacity of data center microgrid cluster based on constraint space superposition methods of Minkowski summation, and fully exploits flexibility of output power regulation of distributed generator sets and energy storage of the data center microgrid cluster as well as demand response characteristics of loads, so as to obtain regulation domain of aggregate power of the data center microgrid cluster.

Abstract: A use of an application mode of Trichoderma harzianum (T. harzianum) in growth and induced resistance of Nicotiana tabacum (N. tabacum) includes the following specific operation steps: S1. experimental materials: preparation of test media and bacterial solutions; S2. experimental treatments: S2.1 control treatment; S2.2 seed soaking treatment; S2.3 root irrigation treatment; and S2.4 foliar inoculation treatment; S3. test determination indexes and methods: S3.1 determination of biological traits; S3.2 determination of physiological and biochemical indexes; and S3.3 determination of disease resistance and induced resistance indexes; and S4. data processing: subjecting data to a difference significance test. Different application modes of T. harzianum all can promote the growth of N. tabacum plants and reduce the occurrence of tobacco black shank (TBS), among which a root irrigation treatment at a transplanting stage leads to an optimal effect.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of ectoine and provides novel engineered microbial cells and cultures, as well as related ectoine production methods.

Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: A display driving circuit includes a light emitting assembly which includes a first control switch having a first terminal connected to a cathode of the light emitting unit, a second terminal connected to a common terminal, and a control terminal connected to a first signal wire to provide a first control signal and a second control switch having a first terminal connected to a charging terminal, a second terminal connected to an anode of the light emitting unit and a control terminal connected to a second signal wire to provide a second control signal. When the light emitting unit is turned off, the first control switch disconnects the cathode of the light emitting unit and the common terminal in response to the first control signal, and the second control switch disconnects the anode of the light emitting unit and the charging terminal in response to the second control signal.

Abstract: A positioning method, a method for generating a visual map and an apparatus thereof includes: obtaining a current parking space number corresponding to a parking space image; obtaining a three-dimensional (3D) coordinate and a 3D pose of the current parking space number under a world coordinate system based on the current parking space number and a visual map, in which the visual map is generated based on current parking space numbers; obtaining a first conversion matrix from a camera coordinate system to a current parking space number coordinate system, in which the current parking space number coordinate system is generated based on the current parking space number; and determining a 3D coordinate and a 3D pose of a camera under the world coordinate system based on the first conversion matrix and the 3D coordinate and 3D pose of the current parking space number.

Abstract: Disclosed are a plasma processing device and a retractable sealing part thereof. The retractable sealing part is arranged in or near a radio-frequency circuit of the plasma processing device. The retractable sealing part includes a bellows assembly having a first end and a second end. Isolation rings are added to an upper part and a lower part of the bellows assembly to weaken longitudinal radio-frequency coupling. Metal sleeves are added to an inner side and an outer side of the bellows assembly to shield transverse radio-frequency coupling. The present disclosure effectively shields radio-frequency coupling on the basis of maintaining the functions of vacuum isolation and extension and retraction of the retractable sealing part, thereby obtaining the stable radio-frequency circuit and etching rate.

Abstract: Embodiments of the present disclosure provides a method and apparatus for constructing a map. The method may include: determining pose information of each panoramic image frame from a panoramic image sequence of a target area, and determining a perspective image sequence from each panoramic image frame; determining a feature track corresponding to the panoramic image sequence based on perspective image sequences corresponding to adjacent panoramic image frames; and constructing a visual map of the target area based on the feature track and the pose information of each panoramic image frame.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of 2-oxoadipate and provides novel engineered microbial cells and cultures, as well as related 2-oxoadipate production methods.

Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of 1,5-diaminopentane and provides novel engineered microbial cells and cultures, as well as related 1,5-diaminopentane production methods.

Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: Embodiments of the present disclosure provides a method and apparatus for constructing a map. The method may include: determining pose information of each panoramic image frame from a panoramic image sequence of a target area, and determining a perspective image sequence from each panoramic image frame; determining a feature track corresponding to the panoramic image sequence based on perspective image sequences corresponding to adjacent panoramic image frames; and constructing a visual map of the target area based on the feature track and the pose information of each panoramic image frame.

Abstract: Three-Dimensional (3D) display device and method are disclosed. The device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. The technical problems of the related art are solved.

Abstract: Embodiments of the present invention provide a video processing method, a mobile terminal, and a server. The method may include: sending, by a mobile terminal, a request to a server for pulling status update data of a social network, so that the server acquires original status update data that is requested to be pulled, the original status update data including a source video address; performing, by the server, adaptation processing on the source video address, to generate an adaptive video address; updating, by the server, the original status update data by using the adaptive video address, to obtain optimized status update data, and returning the optimized status update data to the mobile terminal; and obtaining, by the mobile terminal, adaptive video data according to the adaptive video address in the optimized status update data, and playing the adaptive video data.

Abstract: The present disclosure provides an intelligent robot based on artificial intelligence. The intelligent robot (10) includes a plurality of components (11). Each component (11) has an independent function. Different components (11) can be detachable from each other and combinable.

Abstract: Some embodiments of the disclosure disclose a Three-Dimensional (3D) display device and method, wherein the device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. According to some embodiments of the disclosure, the technical problems of the related art are solved.

Abstract: The present disclosure provides a system and a method for debugging a robot based on artificial intelligence. The system includes: a mobile terminal; and the robot, in which the mobile terminal and the robot communicate with each other wirelessly, and the mobile terminal is configured to set a state parameter of each function node of the robot, and to send a control command to the robot according to the state parameter of each function node, so as to control the robot to perform a test.