Abstract: A display panel and a display device are provided. The display panel includes sub-pixels, data lines and gate lines. The sub-pixels include pixel circuits connected to the data lines and the gate lines. The display panel includes display subregions and selection signal line groups in one-to-one correspondence, each display subregion includes at least two sub-pixels, each selection signal line group includes selection signal lines, and the selection signal lines corresponding to different display subregions are insulated from each other; the pixel circuit includes a transistor in which an active semiconductor layer includes a first part and a second part, the first part overlaps with the gate line electrically connected with the transistor, and the second part overlaps with at least one selection signal line, and the gate line and the selection signal line are both configured to turn on the transistor upon being input with a turn-on voltage.

Abstract: A size comparison system may generate a size comparison by determining a size of an item based on extracted size data corresponding to the item. A comparison item is selected and the size comparison is generated between the item and the comparison item based on the size of the item. A visual rendering of the item and the comparison item is generated based on the size comparison and is displayed to a user.

Abstract: Embodiments of the present disclosure may provide a dynamic query execution model. This query execution model may provide acceleration by scaling out parallel parts of a query (also referred to as a fragment) to additional computing resources, for example computing resources leased from a pool of computing resources. Execution of the parts of the query may be coordinated by a parent query coordinator, where the query originated, and a fragment query coordinator.

Abstract: Provided are a display substrate, a method for manufacturing a display substrate and a display apparatus. The display substrate includes a base, a drive structure layer disposed on the base, a light emitting element disposed on the drive structure layer, an encapsulation layer disposed on the light emitting element, a circular polarizer layer disposed on the encapsulation layer, and a lens definition layer and a lens structure layer disposed on the circular polarizer layer. The light emitting element includes a pixel definition layer provided with a plurality of sub-pixel openings; the lens structure layer includes a plurality of lenses disposed at intervals, the lens definition layer is disposed in a gap region between adjacent lenses, and an orthographic projection of each lens on the base contains an orthographic projection of a sub-pixel opening on the base.

Abstract: A tunable phase shifter and a method for manufacturing the same, and a tunable phase shifting device. The phase shifter includes a first substrate, a second substrate, and a tunable dielectric layer between the first substrate and the second substrate; the first substrate includes a first base substrate and a first electrode on the first base substrate; the second substrate includes a second base substrate and a second electrode on the second base substrate; an orthographic projection of the first electrode on the first base substrate is at least partially overlapped with an orthographic projection of the second electrode on the first base substrate, and sheet resistances of materials of the first electrode and the second electrode are both less than or equal to 0.024?/?.

Abstract: Embodiments of the present disclosure may provide dynamic and fair assignment techniques for allocating resources on a demand basis. Assignment control may be separated into at least two components: a local component and a global component. Each component may have an active dialog with each other; the dialog may include two aspects: 1) a demand for computing resources, and 2) a total allowed number of computing resources. The global component may allocate resources from a pool of resources to different local components, and the local components in turn may assign their allocated resources to local competing requests. The allocation may also be throttled or limited at various levels.

Abstract: Provided is a display substrate, which includes a base substrate, a circuit structure layer disposed on the base substrate, multiple ultrasonic sensing elements and multiple micro light-emitting elements. The multiple ultrasonic sensing elements are disposed on a side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer, and the multiple light-emitting elements are disposed on the side of the circuit structure layer away from the base substrate, and are electrically connected to the circuit structure layer. An orthographic projection of the multiple ultrasonic sensing elements on the base substrate does not overlap with an orthographic projection of the multiple micro light-emitting elements on the base substrate.

Abstract: An embodiment of the present disclosure provides a display substrate. The display substrate includes a driver backplane, and a reflective structure and a pixel electrode on the driver backplane. Reflective structure and the pixel electrode are disposed sequentially away from the driver backplane along a thickness direction of the driver backplane. The pixel electrode is connected to the driver backplane through the reflective structure. A surface of the reflective structure away from the driver backplane is a reflective surface comprising a plurality of arc surfaces, and each of the plurality of arc surfaces is convex protruding towards a direction away from the driver backplane. The plurality of the arc surfaces are continuously arranged, and any two adjacent arc surfaces of the plurality of the arc surfaces are connected to each other.

Abstract: Systems for weather sensing and forecasting, and associated devices and methods, are disclosed herein. In some embodiments, a system for predicting a subject's perception of weather conditions is provided. The system can generate an individual profile for the subject, the individual profile including health information of the subject. The system can receive weather data including a first weather condition for a target location. The system can compare the individual profile to a plurality of different user profiles to identify one or more similar user profiles. Each similar user profile can (1) be associated with a user having similar health information as the subject, and (2) include weather perception data indicating how the user perceived a set of second weather conditions. Based on the weather data and the similar user profile(s), the system can generate a prediction of the how the subject will perceive the first weather condition.

Abstract: The present invention relates to the field of fine chemical industry. Specifically disclosed are a method for synthesizing 2-methylpyridine from aniline, and a method for selectively and continuously producing 2-methylpyridine and diphenylamine from aniline. The method comprises: in a hydrogen-containing atmosphere, enabling aniline and a catalyst to undergo a contact reaction at a temperature of 100-400° C., wherein the catalyst is ? zeolite carrying a metal component, and the metal component comprises an active metal component selected from at least one of W, Mo, Ni, and Co; controlling the temperature of the contact reaction to be 100-240° C. to obtain a product mainly consisting of 2-methylpyridine; and controlling the temperature of the contact reaction to be 260-400° C. to obtain a product mainly consisting of diphenylamine.

Abstract: Methods, systems, and computer programs are presented for providing a cluster view method of a database to perform compaction and clustering of database objects, such as database materialized view. A cluster view system identifies a materialized view including data from one or more base tables, a portion of the data of the materialized view including stale data. The cluster view system performs an integrated task within a maintenance operation on a database, the integrated task including compacting the materialized view, the maintenance operation including clustering the materialized view, and stores the compacted and clustered materialized view in the database.

Abstract: An array substrate and a display device are provided. The array substrate includes: a substrate, sub-pixel units, first signal lines, and second signal lines; multiple first signal lines and multiple second signal lines intersect to define the opening areas of the sub-pixel units; each second signal line includes: multiple first parts extending along the column direction, and multiple second parts; the second part includes a portion extending along the inclination direction, and the second part connects two first parts; the angle between the inclination direction and the column direction or row direction is greater than 0; each first part is adjacent to the opening area of the sub-pixel units in the row direction, and multiple second parts respectively pass through at least of the areas between adjacent two pixel repeating unit rows, with the distance between the two first parts being greater than 0 in the row direction.

Abstract: Embodiments of the present disclosure may provide dynamic and fair assignment techniques for allocating resources on a demand basis. Assignment control may be separated into at least two components: a local component and a global component. Each component may have an active dialog with each other; the dialog may include two aspects: 1) a demand for computing resources, and 2) a total allowed number of computing resources. The global component may allocate resources from a pool of resources to different local components, and the local components in turn may assign their allocated resources to local competing requests. The allocation may also be throttled or limited at various levels.

Abstract: Systems for weather sensing and forecasting, and associated devices and methods, are disclosed herein. In some embodiments, a system for predicting a subject's perception of weather conditions is provided. The system can generate an individual profile for the subject, the individual profile including health information of the subject. The system can receive weather data including a first weather condition for a target location. The system can compare the individual profile to a plurality of different user profiles to identify one or more similar user profiles. Each similar user profile can (1) be associated with a user having similar health information as the subject, and (2) include weather perception data indicating how the user perceived a set of second weather conditions. Based on the weather data and the similar user profile(s), the system can generate a prediction of the how the subject will perceive the first weather condition.

Abstract: Embodiments of the present disclosure may provide a dynamic query execution model with fault tolerance and failure recovery techniques. Embodiments of the present disclosure may utilize checkpoints to map processed output files to their corresponding input files. Therefore, if an error occurs in processing one or more files, the system may only need to reschedule processing of selected file(s).

Abstract: The present application discloses a display panel and a preparation method thereof. The display panel includes a base substrate provided with a circuit area and a light-emitting area; a driving circuit located in the circuit area of the base substrate; an organic insulating layer covering the light-emitting area of the base substrate; a light-emitting element embedded in the organic insulating layer, where an overlap area between the orthographic projection of the light-emitting element on the base substrate and the orthographic projection of the driving circuit on the base substrate is 0; and a first lapping electrode located on the side, facing away from the base substrate, of the light-emitting element, where the light-emitting element is electrically connected to the driving circuit through the first lapping electrode.

Abstract: A sound generating panel, a display device with a screen generating sound and a method for manufacturing a sound generating panel are provided. The sound generating panel includes sound generating unit groups, each of which includes sound generating units. Each sound generating unit includes a support layer with openings and two piezoelectric structures resonating through a cavity, improving a sound pressure generated by the sound generating panel. Each sound generating unit group includes sound generating units with different radii, thereby realizing sound generating at different frequencies, and improving a sound effect of the sound generating panel. Each of some sound generating unit groups includes ultrasonic detection units for detecting a distance between a listener and the sound generating panel, so that an effect of automatically regulating and controlling a volume of sound is realized.

Abstract: Embodiments of the present disclosure may provide a dynamic query execution model with fault tolerance and failure recovery techniques. Embodiments of the present disclosure may utilize checkpoints to map processed output files to their corresponding input files. Therefore, if an error occurs in processing one or more files, the system may only need to reschedule processing of selected file(s).

Abstract: A heating assembly includes: a liquid guiding element; and a heating element arranged on a vaporization surface formed by the liquid guiding element, the heating element being energizable to generate heat. The heating element includes a first heating part and a second heating part. A temperature coefficient of resistance of the first heating part is greater than a temperature coefficient of resistance of the second heating part. The first heating part and the second heating part form an electrical connection structure.