Abstract: An antenna includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an 10 orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate, wherein the antenna further includes a first feeding unit.

Abstract: The disclosure discloses a polycrystalline diamond composite sheet having a continuous gradient transition layer and a 3D printing preparation method thereof. The polycrystalline diamond composite sheet consists of a polycrystalline diamond layer, a continuous gradient transition layer, and a cemented carbide substrate from top to bottom, in which the continuous gradient transition layer consists of diamond and cemented carbide. Along a direction from the cemented carbide substrate to the polycrystalline diamond layer, a content of the cemented carbide in the continuous gradient transition layer decreases from 100% to 0, and a content of the diamond increases from 0 to 100%. By designing and combining the continuous gradient transition layer with 3D printing technology, the disclosure realizes a continuous change in the two materials of diamond and cemented carbide, thereby eliminating the sudden change interface of the materials inside the diamond composite sheet.

Abstract: A silicon powder forming method, a silicon block, and a use thereof are provided, which relates to technical field of single crystal growth. The silicon powder forming method according to the present application includes: placing a mold filled silicon powder in a condition for first pressure P1 for a first pressure time T1 to obtain a silicon block, wherein the first pressure P1 and the first pressure time T1 satisfy: 50 MPa?P1?600 MPa, 7 min?T1?15 min. By pressure control, the molded silicon block is easily removed from the mold without crushing dust. The silicon block obtained is easy to crush upon charging, and the particle size distribution of the crushed silicon block is easy to control, resulting in raising less. The silicon block obtained can be directly used for production of Czochralski single crystal, and the charge density is increased to 0.18 g/cm3˜0.25 g/cm3.

Abstract: The disclosure relates to the technical field of autonomous driving, and provides a method for predicting a vehicle trajectory, a control apparatus, and a vehicle, to solve the problem of how to effectively deal with existing highly complex traffic scenario interactions and difficulties in iterative planning and control processes. In the method, scenario interaction results of a traffic agent are obtained based on a static environment perception result and a traffic agent perception result of a vehicle at a current moment, an initial interaction scenario is obtained based on the scenario interaction results, interaction scenario simulation is performed based on the initial interaction scenario and an ego vehicle driving decision to determine an optimal interaction scenario evolution feature of the traffic agent, and an optimal driving trajectory of the vehicle is obtained based on the optimal interaction scenario evolution feature and a state of the vehicle.

Abstract: A silicon powder molding method, a silicon block, and their applications in the field of single crystal growth technology are provided. The silicon powder molding method of this application includes the following steps: placing a mold filled with silicon powder under a first pressure P1 condition, maintaining the first pressure condition P1 for a continuous duration of a first pressure time T1, and satisfying 50 MPa?P1?600 MPa, 7 minutes ?T1?15 minutes to obtain a silicon block. A medium applying the first pressure P1 is a liquid. Through pressure control, the molded silicon block is easily removed from the mold without breaking and generating dust. The silicon block is easy to crush when filling and has a controllable particle size distribution after crushing. The silicon block can be directly used for the production of Czochralski grown single crystals, increasing a loading density to 0.18 g/cm3˜0.25 g/cm3.

Abstract: A charging method of silicon material and a preparation method for single crystal are provided. The charging method includes: disposing the first material layer in the crucible; and disposing a second material layer on a side of the first material layer away from a bottom of the crucible, to cover the first material layer during vacuuming. The method for preparing a single crystal, using the silicon charging method described above. The preparation method for single crystal used the charging method for silicon material includes: covering a pot lid on the crucible to define a closed crucible body, and vacuuming the closed crucible body; lifting the closed crucible body into a single crystal furnace, and relieving pressure from the closed crucible body.

Abstract: The disclosure discloses a polycrystalline cubic boron nitride composite sheet having a continuous gradient structure and a preparation method thereof. The polycrystalline cubic boron nitride composite sheet consists of a cemented carbide substrate, a continuous gradient layer, and a CBN layer from bottom to top. The continuous gradient layer contains cemented carbide and CBN, a content of CBN increases in continuous gradient from bottom to top, while a content of the cemented carbide decreases in continuous gradient from bottom to top. A volume fraction D of CBN and a volume fraction M of cemented carbide in the continuous gradient layer both satisfy exponential gradient functions. At the same time, the disclosure uses direct ink writing 3D printing technology with slurry to realize the preparation of the polycrystalline cubic boron nitride composite sheet having the continuous gradient structure.

Abstract: A foldable electronic device includes a foldable apparatus and a flexible display. The foldable apparatus is configured to carry the flexible display, and includes a first housing, a second housing, and a foldable assembly. The foldable assembly includes a main shaft, a first fastening bracket, a first transmission member, a second fastening bracket, a second transmission member, and a stop block. Through movement of the foldable assembly, the first housing and the second housing are configured to be unfolded relative to each other to an opened state or folded relative to each other to a closed state.

Abstract: Discloses are a microscopic imaging system and a microscopic imaging method for sample angle recognition. Firstly, a polarization rotation device introduced in an optical path of an excitation light can polarize and modulate the excitation light so as to make a polarization-modulated excitation light to rotate in a preset angle range; secondly, the polarization-modulated excitation light can be splitted into two parts via a beam splitting device, one for sample imaging, and the other for detection of polarization; and finally, a plurality of model characteristic curves can be obtained by a polarization detection device, each of the model characteristic curves corresponding to one angle, thus determining an angle information about an object to be analyzed in the sample.

Abstract: A disclosed method may include (i) receiving, by a mobile virtual network operator from a client of the mobile virtual network operator, a request to perform a task relating to a telecommunication account of the client with the mobile virtual network operator, (ii) forwarding, by the mobile virtual network operator, the request to perform the task to a mobile virtual network enabler, (iii) transforming, by the mobile virtual network operator, an original response to the request from the mobile virtual network enabler after the mobile virtual network enabler completes the task into a transformed response that is agnostic between mobile virtual network enablers, (iv) caching, by the mobile virtual network operator after the transforming, the original response to the request for reference by a troubleshooting component, and (v) reporting, by the mobile virtual network operator to the client, the transformed response.

Abstract: According to one embodiment, a method, computer system, and computer program product for augmented reality/virtual reality (AR/VR) preference mapping is provided. The embodiment may include capturing a plurality of user preferences from a plurality of user feedback while a user interacts with elements of an AR/VR space. The embodiment may also include mapping one or more user preferences from the plurality of captured user preferences to one or more clusters. The embodiment may further include generating a user preference model of the elements based on the one or more mapped user preferences. The embodiment may also include displaying the user preference model in the AR/VR space.

Abstract: Embodiments of this application disclose a recommendation method. The method in embodiments of this application is applied to a scenario in which an item is recommended to a user, for example, movie recommendation or game recommendation. The method in embodiments of this application includes: obtaining a knowledge graph, where the knowledge graph includes a plurality of first entities indicating items and a plurality of second entities indicating item attributes; and running a neural network based on the knowledge graph and information of the user, to obtain a recommendation result. The neural network is used to perform computing based on at least one first direction and at least one second direction in the knowledge graph to obtain the recommendation result.

Abstract: Provided herein are, inter alia, methods and compositions for treating and preventing arenavirus infection. Compositions include recombinant arenavirus glycoproteins that are able to form glycoprotein timers. The glycoprotein timers are contemplated to be effective for preventing and/or treating arenavirus infections.

Abstract: A method and apparatus for learning graph representations for out-of-distribution generalization.

Abstract: A computer-implemented method, system and computer program product for dynamically providing a typing feedback indicator. Text entered in a body of a message that is to be sent to a recipient is detected. Prior to the user (author) sending the message to the recipient, the text of the message being composed by the user is analyzed to determine a sentiment and an emotion as well as to determine a topic of the content of the text. Based on such analyses, as well as possibly based on other criteria, a typing feedback indicator is generated to reflect an indication of the content of the message to be sent to the recipient. The typing feedback indicator may then be displayed on a computing device of the recipient while the user (author) is composing the message thereby providing the recipient context awareness of the message prior to receipt of such a message.

Abstract: A computer-implemented method, system and computer program product for dynamically providing a typing feedback indicator. Text entered in a body of a message that is to be sent to a recipient is detected. Prior to the user (author) sending the message to the recipient, the text of the message being composed by the user is analyzed to determine a sentiment and an emotion as well as to determine a topic of the content of the text. Based on such analyses, as well as possibly based on other criteria, a typing feedback indicator is generated to reflect an indication of the content of the message to be sent to the recipient. The typing feedback indicator may then be displayed on a computing device of the recipient while the user (author) is composing the message thereby providing the recipient context awareness of the message prior to receipt of such a message.

Abstract: The present disclosure relates to technical field of data access, and discloses a matrix storage method, a matrix access method, an apparatus and an electronic device in the technical field of data access. The matrix storage method includes: dividing a matrix into a plurality of data blocks with a preset segmentation granularity of N rows×M columns; the plurality of data blocks includes at least one first data block of N rows×M columns; if the column number of the matrix is not an integer multiple of M, the plurality of data blocks further includes at least one second data block of N rows×P columns, the second data block is aligned with an adjacent row of first data block; and storing the data in each of the first data blocks and the second data blocks continuously in an off-chip storage.

Abstract: An intelligent adaptive recommendation method based on an MCM model. The method includes acquiring historical data of errors on knowledge points of all students, acquiring error-cause labels of current student, calculating error-cause priority value P(E) for each error-cause label of current student, and extracting, according to at least one of MCM labels corresponding to each error-cause label, MCM learning resources corresponding to at least one of MCM labels from a preset content management system, sorting error-cause labels according to descending order of error-cause priority value P(E), extracting part or all of MCM learning resources from MCM learning resources corresponding to at least one error-cause label according to sorting result and pushing part or all of MCM learning resources to current student, and when current student finishes learning MCM learning resources corresponding to each MCM label, pushing errors on knowledge points corresponding to each MCM label to current student.

Abstract: A data output method, a data acquisition method, a device, and an electronic apparatus are provided, and a specific technical solution is: reading a first data sub-block, and splicing the first data sub-block into a continuous data stream, wherein the first data sub-block is a data sub-block in transferred data in a neural network; compressing the continuous data stream to acquire a second data sub-block; determining, according to a length of the first data sub-block and a length of the second data sub-block, whether there is a gain in compression of the continuous data stream; outputting the second data sub-block if there is the gain in the compression of the continuous data stream.

Abstract: The present disclosure provides a method for processing a task, a processor, a device and a readable storage medium, and the method comprises: for a predetermined type of computing task, allocating a plurality of instruction blocks in the computing task to a general-purpose processing core and a dedicated acceleration core; transferring, by a control unit in the dedicated acceleration core, an instruction completion indication of a predetermined co-processing unit coupled thereto to at least one processing unit of the general-purpose processing core through a signal path, the signal path being configured to couple the at least one general-purpose processing unit to the control unit; and if it is determined that the instruction completion indication is received, acquiring, by the general-purpose processing core, data from a first on-chip cache in the dedicated acceleration core through a data path for completing the computing task.