Abstract: Techniques for integrating a trusted execution platform with a function-based service framework are disclosed. For example, a method comprises reading configuration information identifying at least one data providing party and at least one function providing party, and generating, based at least in part on the configuration information, an enclave comprising a circuit configured to execute a function. The method further comprises receiving in the enclave and via at least a first secure communication channel, the function from the at least one function providing party, and receiving in the enclave and via at least a second secure communication channel, data from the at least one data providing party. The function and the data are sent to the circuit, wherein the circuit executes the function to compute at least one output based at least in part on the data.

Abstract: The present invention relates to a polybutylene terephthalate composition, and an article derived from the polybutylene terephthalate composition comprising as component (A) polybutylene terephthalate (PBT) resin, as component (B) vinyl aromatic-based polymer comprising units which are derived from vinyl aromatic monomers, and as component (C) reinforcement agent.

Abstract: A computer-implemented method, an apparatus, and a computer program product for edge node autonomy. For a first edge node of a plurality of edge nodes in a federation in a distributed computing framework, one or more processors receive a request to be sent to a central node in the distributed computing framework. The one or more processors determine whether the federation is connected to the central node. In response to determining that the federation is not connected to the central node, the one or more processors determine whether a controller capable of processing the request is available in the federation. In response to determining that the controller capable of processing the request is available in the federation, the one or more processors notify the controller to process the request.

Abstract: A bioprocessing system includes a first module configured for enriching and isolating a population of cells, a second module configured for activating, genetically modifying, and expanding the population of cells, and a third module configured for harvesting the expanded population of cells.

Abstract: A method, an electronic device, and a computer program product for video processing are provided in embodiments of the present disclosure. The method generates an avatar image using a reference image and image data for a first frame in a video stream, and generates an avatar video using the avatar image and image data, audio data, and text data in the video stream. Through this solution, a user-defined avatar video adapted to a user of a real video and actions thereof can be generated more accurately and with high quality.

Abstract: An alumina-based ceramic tool material with low thermal expansion and a preparation process thereof, accordingly, the ceramic tool material may have both the high hardness of alumina ceramics after the hot pressing sintering, and reduces the thermal expansion coefficient of the overall ceramic material by adding the Sc2W3O12 as the negative thermal expansion phase, which improves the thermal shock resistance of ceramic tools in high-speed cutting engineering and meets the requirements of large temperature range during the machining of nickel-based superalloys. Moreover, the composite material does not use metal binder and has strong thermal stability even in the high-speed machining under extreme heat-force-chemistry coupling, so it has a high machining compatibility for nickel-based superalloys.

Abstract: A die steel with a high thermal diffusion coefficient includes 0.30-0.40 wt. % of C, 0.05-0.10 wt. % of Si, 2.50-3.40 wt. % of Mo, 0.01-0.05 wt. % of Nb, 0.30-0.50 wt. % of Co, 0.01-0.05 wt. % of RE, the rest is Fe and unavoidable impurities, wherein in the die steel, P?0.15 wt. %, S?0.025 wt. %. A preparation method of the die steel includes steps of melting, electroslag remelting, electroslag ingot annealing, forging, spheroidizing annealing, quenching and tempering.

Abstract: An anchoring device for adapting to tide level for a wave energy power generation device comprises: a housing, wherein a central main shaft is provided at the center thereof, two ends of the central main shaft are respectively rigidly connected to a volute spring, and the interior of the housing is divided into several independent compartments, including a central compartment accommodating the central main shaft; a shaft lock and a central main gear capable of driving the central main shaft to rotate mounted on the central main shaft; and a plurality of hoisting wheel compartments arranged at equal intervals in a circumferential array around the central main shaft. A hoisting wheel is provided in each of the hoisting wheel compartments, and an anchor chain wound on the hoisting wheel protrudes out of the housing through an opening at the bottom of the hoisting wheel compartment.

Abstract: Techniques are disclosed for managing artificial intelligence model partitions for execution in an information processing system with edge computing resources. For example, a method comprises the following steps. An intermediate representation of an artificial intelligence model is obtained. A computation graph is generated based on the intermediate representation. The computation graph is partitioned into a set of partitions. The method then schedules the set of partitions for respective execution on a set of computing devices in an edge computing environment, and causes deployment of the set of partitions respectively to the set of computing devices for execution in the edge computing environment.

Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

Abstract: The invention discloses a method and crystallization device for preparing electronic-grade nickel sulfate from nickel powder, and a control method of the crystallization device, and relates to the technical field of non-ferrous metal hydrometallurgy. The method comprises: oxidation, cooling, acid leaching, copper removal, acid adjustment, concentration, cooling crystallization, drying and screening, and secondary leaching: the oxidation comprises: controlling a temperature of nickel powder in a calcining furnace to be 400° C. to 700° C., allowing a use amount of compressed air for each kilogram of nickel powder to be 1 m3 to 5 m3, and making the reaction last for 1.0 hour to 2.5 hours; and the acid leaching comprises: placing cooled nickel oxide in a reactor, controlling a temperature to be 45° C. to 70° C., adding dilute sulfuric acid to control a pH value to be 0.5 to 1.5, and making the reaction last for 1 hour to 3 hours.

Abstract: An additive manufacturing apparatus includes a first print module includes a first stage configured to hold a first component and a first radiant energy device. The resin support is configured to be positioned between the first stage and the first radiant energy device. A second print module includes a second stage configured to hold a second component and a second radiant energy device. The resin support is configured to be positioned between the second stage and the second radiant energy device. A control system is configured to translate the resin support based on a condition of the first print module and the second print module through the first print module and the second print module.

Abstract: Disclosed are a virtual power plant operation risk analysis method and a device. The method comprises: establishing a multi-state model of wind turbine output, analyzing influence of wind speed on wind turbine failure rate based on the multi-state model of wind turbine output, and establishing a wind turbine failure model considering wind turbine time-varying failure rate; establishing a multi-state model of wind turbine output considering the wind speed and the wind turbine time-varying failure rate by an improved general generating function method based on the multi-state model of wind turbine output and the wind turbine failure model considering the wind turbine time-varying failure rate; establishing a multi-state output model of virtual power plant based on the multi-state model of wind turbine output considering wind speed and wind turbine time-varying failure rate; and calculating operation risk indicators of virtual power plant through the multi-state output model of virtual power plant.

Abstract: A method and a system for filtering ill corpus are provided. The method includes following steps: acquiring a text corpus to be recognized, and preprocessing the text corpus to be recognized to obtain a basic text corpus; extracting entities in the basic text corpus, and performing matching search on the entities of the basic text corpus according to an ill-text knowledge graph to obtain a first recognition result; detecting and recognizing the basic text corpus according to a corpus recognition model to obtain a second recognition result; and filtering the text corpus to be recognized according to the first or/and the second recognition result, and updating the ill-text knowledge graph according to the second recognition result. With semantic network essence and strong correlation ability of knowledge graph technology, candidate ill entities can be obtained, thus facilitating filtering of obscure ill information in forms of pinyin, homophonic words and split words.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for sending a reduced size message. One of the methods includes receiving, by a wireless device, a request to send, over a wireless network, a message comprising one or more phrases; determining that a connection quality for the wireless network does not satisfy a connection quality threshold; generating, responsive to determining that the connection quality threshold is not satisfied, a reduced-size message based at least in part on the one or more phrases; and sending, by the wireless device and via the wireless network, the reduced-size message.

Abstract: Disclosed are a method and device for extracting and preparing battery-grade lithium carbonate from a P507 raffinate. The method comprises steps of impurity adjustment, extraction, purification, reverse extraction, alkalization, crystallization, separation, drying, the impurity adjustment comprises: adjusting a pH value of the P507 raffinate to be 8.5 to 10.5 with lithium hydroxide or alkali, and filtering to obtain a filtrate for later use; the alkalization comprises: heating a lithium solution to 85° C. to 95° C., adding lithium hydroxide or alkali to adjust a pH value to be 9.0 to 13.0, maintaining a temperature at 85° C. to 95° C. and standing for 2 hours to 8 hours, and then filtering to obtain a filtrate for later use; and the crystallization comprises: introducing compressed air into the filtrate after alkalization, evaporating and concentrating at the same time, and discharging and cooling when fine crystals exist in the concentrated solution.

Abstract: The present application provides a polarizer, a manufacturing method thereof, a display panel and a display apparatus. The polarizer includes an antireflection layer, a first support layer and a grating layer stacked in sequence along a light incidence direction. The grating layer includes a plurality of first grating strips spaced apart. The first support layer includes a plurality of first support strips spaced apart and a plurality of second support strips disposed between any two adjacent first support strips, and the first support strips are disposed corresponding to the first grating strips. The antireflection layer includes a plurality of second grating strips spaced apart, and the second grating strips are disposed corresponding to the first grating strips. The antireflection layer, the first support layer and the grating layer form an optical resonant cavity structure, or, the antireflection layer is configured to absorb light reflected by the grating layer. A display panel includes the polarizer.

Abstract: A continuous mining and delayed filling mining method for a deep ore body masonry structure is provided, comprising: dividing an ore body into ore blocks along a trend, internally dividing each ore block into stopes with square masonry structures, and reserving a rib pillar between the ore blocks; arranging an ore block conveyor belt gallery and a stope conveyor belt gallery at the lower parts of the ore blocks, arranging ore block crossheading and stope crossheading at the upper parts of the ore blocks, mining the stopes in the sequence from the foot wall to the hanging wall. In accordance with the present disclosure, adverse effects caused by deep high geo-stress and high geo-temperature on mining operation can be effectively overcome. The method has the advantages of low carbon and environmental protection, safety of recovery operation, high mechanization of stope operation, low labor intensity of manual operation and the like.

Abstract: A fault arc signal detection method using a convolutional neural network, comprising: enabling a sampling signal subjected to analog-digital conversion to respectively pass through three different band-pass filters; respectively extracting a time-domain feature and a frequency-domain feature from a half wave output of each filter; constructing a two-dimensional feature matrix by means of extracted time-frequency feature vectors from the output of each filter, and stacking the feature matrices corresponding the outputs of the three filters to construct a three-dimensional matrix for each half wave; and processing a multi-channel feature matrix by using a multi-channel two-dimensional convolutional neural network, and determining, according to the output result of the neural network, whether the half wave is an arc.

Abstract: A display panel and a display device are provided. The display panel includes a display area. The display area includes multiple pixel areas and multiple light transmissive areas arranged in an array. The display panel further includes a dimming part and at least one photosensitive component. Along a thickness direction of the display panel, at least a part of the dimming part at least partially overlaps with the light transmissive areas. The photosensitive component is electrically connected to the dimming part. With the display panel and a display device according to the present disclosure, a display effect of the display panel can be effectively improved.