Abstract: Disclosed is a discharge streamer simulation method considering offset and bifurcation. In the method, an insulating medium is arranged in an electric field environment, the number range of discharge streamer bifurcation points in the insulating medium and the number range of effective electron avalanches generated by each bifurcation are measured, a control equation and a boundary condition for streamer simulation are constructed based on a hydrodynamic drift diffusion model and a bipolar charge carrier model, model parameters corrected based on an electron avalanche development probability theory are introduced in the equation solving process, mathematical description and simulation calculation of a streamer offset and a bifurcation phenomenon are realized, and the electric field distribution and charge distribution accompanying the discharge streamer development process considering offset and bifurcation can be finally obtained.

Abstract: Some embodiments provide a method for monitoring a container cluster that includes multiple nodes on which application resources are deployed. The method deploys an agent on each node of a set of nodes of the cluster. Each agent is for configuring a logical network on the node to which the agent is deployed. The method monitors status of the deployed agents. Upon detection that a particular agent on a particular node is no longer operating correctly, the method prevents a container cluster control plane from deploying application resources to the particular node.

Abstract: A method of retrieving a lost item from a compartment to an owner of the lost item is provided. The method comprises detecting the lost item in the compartment to define an item image of the lost item relative to the compartment, updating an inventory list of lost objects, and identifying at least one potential user of the lost item. The method further comprises providing notification to the at least one potential user and providing viewable access of the item image. The method further comprises verifying ownership of the lost item to define the owner of the lost item, determining a preferred pickup location for the owner, storing the lost item at the preferred location defining a stored item, and confirming identity of the owner for retrieval of the stored item at the preferred location. The method further comprises allowing access to the stored item from the preferred location.

Abstract: In some aspects, a computing system is configured to use graph-based techniques to detect synthetic identities. The computing system can generate a collection of graphs based on account data and transaction data for online entities. The collection of graphs includes multiple graph communities, each graph community including nodes and edges. Each node represents a user and an edge between a first node and a second node indicates a user represented by the second node is an authorized user of the user represented by the first node. The computing system can identify a clique graph community in the collection of graphs and compare the identified clique graph community with a known clique graph community that includes synthetic identities. The computing system can determine nodes in the identified clique graph community to be synthetic identities based on determining that the identified clique graph community is equivalent to the known clique graph community.

Abstract: The present application discloses a frontpage news prediction and classification method. Keywords to be queried are firstly input by means of a user interface, and collected news text information on the web pages is saved in a local database; a text representation module performs vector representation by using a Doc2Vec representation algorithm, so as to convert each news text into a low-dimensional text feature vector with a high amount of information; and a similarity network construction module calculates the similarity between news, constructs a news similarity network by taking a calculated similarity matrix as an adjacent matrix of a news related network, determines whether a similarity network is traversed, if so, iteratively calculates an HR value of the vector according to an H-index supporting contribution matrix, performs weight sorting on the news by using the HR value, and predicts top-N pieces of news as front page news.

Abstract: A plug-in connection assembly of a light-emitting diode (LED) display device, an LED box assembly and the LED display device are provided. The plug-in connection assembly of an LED display device includes a first plug-in connection member; a second plug-in connection member spaced apart from the first plug-in connection member; and an intermediate structure arranged between the first plug-in connection member and the second plug-in connection member, wherein the intermediate structure includes a third plug-in connection member and a fourth plug-in connection member that are spaced apart from each other, and a driving member for driving the third plug-in connection member and the fourth plug-in connection member to move.

Abstract: Embodiments provide a flammable and fire-resistant carbonaceous heat source and a method and a use for the same. In the embodiments, the flammable and fire-resistant carbonaceous heat source of the present disclosure includes flammable carbon, flame-retardant carbon and a binder, wherein, the flame-retardant carbon includes graphite, the binder includes glutinous rice glue, and based on a total weight of the flammable and fire-resistant carbon heat source, a content of the flammable carbon, the flame-retardant carbon and the binder is 40-75 wt%, 10-45 wt% and 3-15 wt%, respectively. The method for preparing the flammable and fire-resistant carbonaceous heat source of the present disclosure includes the following steps: mixing the flammable carbon, the flame-retardant carbon, and the binder in a content ratio; extruding and shaping a resulting mixture; and drying a resulting mixture.

Abstract: A method and an apparatus for controlling a vehicle mounted game, a computer program, a storage medium, and a vehicle are provided in the present disclosure. The method is applied to the VCU. The VCU controls a vehicle to be powered at a low voltage in case that it is determined that the vehicle enters a game activation state; when the vehicle is powered at the low voltage, the VUC collects an operation signal of the vehicle, in which, the operation signal includes: an accelerator pedal position signal, a brake pedal position signal, a steering wheel angle signal, and a gear position signal of the vehicle; and the VUC sends the operation signal to a vehicle HUT to enable the vehicle HUT to control the vehicle mounted game according to the operation signal.

Abstract: Disclosed are P-stereogenic groups that may be used in the synthesis of compounds including stereochemically enriched P-stereogenic phosphorothioates. P-stereogenic groups may be provided in nucleoside phosphoramidites including a sugar bonded to a nucleobase and to a stereochemically enriched phosphoramidite as well as methods of their use and methods of making them.

Abstract: This application provides a diversity communication method and apparatus, to provide a diversity transmission solution. A first device maps a plurality of modulation symbols corresponding to one transport block to a plurality of antenna ports, where a plurality of consecutive modulation symbols are mapped to one antenna port in each mapping. Then, the first device maps the modulation symbols on each antenna port to a frequency domain resource corresponding to the antenna port, and frequency domain resources corresponding to different antenna ports do not overlap.

Abstract: Disclosed are face clustering method and apparatus, image classification storage method, computer-readable storage medium and electronic device.

Abstract: Methods and apparatuses for eMTC scheduling are disclosed. A method comprises receiving a control signal in a search space; and transmitting an uplink data after a first time duration of receiving the control signal or of receiving a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (Koffset).

Abstract: A water changing device for aquaculture breeding, comprises a breeding box. A drainage pipe is inserted into the inner wall below the breeding box; the drainage pipe has an L-shaped structure, and the horizontal side is located at the lower side of the breeding box; a sealing block is tightly inserted above the drainage pipe; a circular ring is arranged on the outer side wall of the upper end of the drainage pipe; a groove is arranged above the circular ring along the circumferential direction, and a filter screen is tightly inserted into the groove; the side wall of the drainage pipe below the breeding box is fixedly connected with a horizontal rod, and one side of the side wall below the breeding box close to the horizontal rod is fixedly provided with a threaded rod.

Abstract: Provided is a cache memory, including: a first field-effect transistor, a field-like spin torque layer underneath a magnetic tunnel junction, an electrode, and a second field-effect transistor sequentially arranged and connected; wherein the first field-effect transistor is configured to provide a writing current and to control the on-off of the writing current through a gate electrode; the field-like spin torque layer is configured to generate field-like spin torques for switching a first ferromagnetic layer of the magnetic tunnel junction; the magnetic tunnel junction includes a first ferromagnetic layer, a tunneling layer, a second ferromagnetic layer and a pinning layer arranged sequentially; the electrode is configured to connect the cache memory with the second field-effect transistor; and the second field-effect transistor is configured to control the on-off of the second field-effect transistor through the gate electrode to read the resistive state of the magnetic tunnel junction.

Abstract: A diffusing plate includes a plate body including a rectangular hole-configuring region, a plurality of holes arranged in the rectangular hole-configuring region and arranged concentrically to form a first to an N-th rectangular patterns from an inside to an outside sequentially. Scales of the first to the N-th rectangular patterns are incrementally increased, and N is a positive integer. One portion of the holes are located in an area near a center of the rectangular hole-configuring region, another portion of the holes are located in four corner areas of the rectangular hole-configuring region, each of the holes has a diameter, and the diameter of the one portion of the holes is smaller than the diameter of the another portion of the holes.

Abstract: Disclosed is a lithium battery separator including a porous PVDF-based resin coating, wherein the porous PVDF-based resin coating is located on at least one surface of a base film, and the porous PVDF-based resin coating on a single side has a thickness of 0.5-3.5 ?m, and has a ratio of a bonding strength (N/m) to coating air permeability increment (s/100 cc) of greater than or equal to 0.25, and a ratio of a bonding strength (N/m) to a surface density per unit coating (g/m2/?m) of greater than or equal to 10, resulting in a porous PVDF-based resin coating with excellent thickness, coating air permeability increment, bonding strength and thermal shrinkage; and the formed lithium battery separator is also excellent in cycling performance and heat resistance.

Abstract: A high-power gel-assisted battery stack that cycles lithium ions is provided with two terminal electrodes having opposite polarities and at least one bipolar electrode assembly disposed therebetween. A first electrode is disposed on a first side of a bipolar current collector and a second electrode with an opposite polarity to the first electrode is disposed on a second side of the bipolar current collector. Each electrode includes a porous layer having an electroactive material and a solid-state electrolyte disposed in a polymeric binder. A polymer gel electrolyte is distributed in pores of the porous. The stack also includes at least two free-standing gel separator layers each being disposed between the at least one bipolar electrode assembly and terminal electrodes. Each respective free-standing gel separator layer comprises polyacrylonitrile (PAN) and an electrolyte distributed therein. The high-power gel-assisted battery stack has a maximum voltage rating of ?about 12V.

Abstract: A preparation method of bimetallic catalysts based on anthracene frameworks and use thereof in olefin polymerization is reported. Anthrecene frameworks were introduced, heat resistance of the catalysts is improved, and by changing central metals and configurations of the frameworks, steric and electronic effects of the metal catalysts of this model can be adjusted and controlled conveniently, and polyolefin polymer materials of different structures and different properties can be prepared, the bimetallic catalyst can be used in ethylene homopolymerization for preparation of high density polyethylene, ethylene/1-octene copolymerization for preparation of polyolefin elastomers and ethylene/norbornene copolymerization for preparation of cycloolefin copolymers.

Abstract: In one embodiment, a system includes an automatic speech recognition (ASR) module, a natural-language understanding (NLU) module, a dialog manager, one or more agents, an arbitrator, a delivery system, one or more processors, and a non-transitory memory coupled to the processors comprising instructions executable by the processors, the processors operable when executing the instructions to receive a user input, process the user input using the ASR module, the NLU module, the dialog manager, one or more of the agents, the arbitrator, and the delivery system, and provide a response to the user input.

Abstract: A permanent magnet electrodynamic suspension system includes a conductor track and a suspension and guidance device. The conductor track is disposed on a roadbed, and the suspension and guidance device is disposed above the conductor track. The suspension and guidance device includes a first permanent magnet array and a second permanent magnet array. The first permanent magnet array and the second permanent magnet array are the same in the magnetization direction arrangement. The first permanent magnet array and the second permanent magnet array are arranged perpendicular to each other. A guidance method for the permanent magnet electrodynamic suspension system is further provided.