Abstract: An efficient parallelization and deployment method of a multi-objective service function chain based on a CPU+DPU platform solves the problem of multi-objective deployment by constructing a heterogeneous computing architecture composed of an orchestrator and a server based on a CPU+DPU structure; the orchestrator is responsible for receiving an SFC request from a network operator; an SFC deployment algorithm based on deep reinforcement learning is operated, including a parallel strategy, a VNF topological order strategy and a DPU processing strategy to obtain an optimal deployment scheme of each request; then a resource management module is invoked to manage resources; and finally, a driver module is invoked to transmit the deployment scheme to a server for placement, and the server completes the deployment of SFC by using the CPU or the DPU respectively according to the deployment scheme.

Abstract: A method for predicting clinical severity of a neurological disorder includes steps of: a) identifying, according to a magnetic resonance imaging (MRI) image of a brain, brain image regions each of which contains a respective portion of diffusion index values of a diffusion index, which results from image processing performed on the MRI image; b) for one of the brain image regions, calculating a characteristic parameter based on the respective portion of the diffusion index values; and c) calculating a severity score that represents the clinical severity of the neurological disorder of the brain based on the characteristic parameter of the one of the brain image regions via a prediction model associated with the neurological disorder.

Abstract: A device for detecting a slot wedge, an air gap and a broken rotor bar is provided, where a sequential circuit generates double concurrent pulses; the sequential circuit is connected to driving power modules; the driving power modules are connected to front-end interface circuits; the front-end interface circuits convert the double concurrent pulses into corresponding magnetic-field pulses; the magnetic-field pulses are transmitted to power supply terminals on adjacent phases of stator windings through impedance matching pins and coupled at a corresponding coil, air gap and squirrel cage rotor to generate single groups of cyclic rotating magnetic potentials; single rotating magnetic potentials are sequentially generated in adjacent slots on each of the phases of the stator windings; rotating electric potentials in magnetic circuits with two symmetrical phases are magnetically coupled to form distributed coupling magnetic field reflected full-cycle waves for reflecting a difference of a corresponding slot wedg

Abstract: Embodiments of the present disclosure relates to the field of solar cells, and in particular to a solar cell and a photovoltaic module. The solar cell includes: a substrate having a front surface and a rear surface; a first tunnel layer and a first doped conductive layer sequentially formed over the front surface of the substrate, the first tunnel layer and the first doped conductive layer are each aligned with a metal pattern region on the front surface; and a second tunnel layer and a second doped conductive layer sequentially formed over the rear surface of the substrate, and in a respective Raman spectrum, a full width at half maximum corresponding to the first doped conductive layer is not greater than a full width at half maximum corresponding to the second doped conductive layer.

Abstract: A photovoltaic cell is provided, including a substrate having a front surface with metal pattern regions and a rear surface, first pyramid structures in each metal pattern region, platform protrusion structures on the rear surface, a first tunneling layer and a first doped conductive layer on a portion of the front surface in a respective metal pattern region, and a second tunneling layer and a second doped conductive layer on the rear surface. A height of each first pyramid structure is greater than that of each platform protrusion structure. A one-dimensional dimension of a bottom portion of each first pyramid structure is less than that of each platform protrusion structure. A doping element type of the first doped conductive layer is the same as that of the substrate. A doping element type of the second doped conductive layer is different from that of the first doped conductive layer.

Abstract: A photovoltaic cell is provided, including a substrate having a front surface with metal and non-metal pattern regions, first and second pyramid structures in each metal pattern region, third and fourth pyramid structures in each non-metal pattern region, a first tunneling layer and a first doped conductive layer on a portion of the front surface in a respective metal pattern region, and a second tunneling layer and a second doped conductive layer on a rear surface of the substrate. A dimension of a bottom portion of each first pyramid structure is greater than that of each second pyramid structure. A dimension of a bottom portion of each third pyramid structure is greater than that of each fourth pyramid structure. An area proportion of the first pyramid structures in the metal pattern region is greater than that of the third pyramid structures in a respective non-metal pattern region.

Abstract: A photovoltaic cell is provided, including a substrate having a front surface with metal and non-metal pattern regions, first and second pyramid structures in each metal pattern region, third and fourth pyramid structures in each non-metal pattern region, a first tunneling layer and a first doped conductive layer on a portion of the front surface in a respective metal pattern region, and a second tunneling layer and a second doped conductive layer on a rear surface of the substrate. A dimension of a bottom portion of each first pyramid structure is greater than that of each second pyramid structure. A dimension of a bottom portion of each third pyramid structure is greater than that of each fourth pyramid structure. An area proportion of the first pyramid structures in the metal pattern region is greater than that of the third pyramid structures in a respective non-metal pattern region.

Abstract: It is disclosed a method and system based on machine learning for reconstructing biological wastewater treatment processes; the method includes: acquiring influent and effluent basic quality, ecological risk and process information data on the biological wastewater treatment process, and performing data preprocessing; performing feature extraction and multi-unit characterization on the biological wastewater treatment process; constructing effluent basic quality prediction models and effluent ecological risk prediction models of different biological treatment multi-unit combination processes, and performing standard-reaching validation; simulating and reconstructing different biological wastewater treatment short-range unit combination processes, and performing effluent quality standard-reaching validation under different influent quality scenarios; and evaluating ecological risk of the reconstructed short-range biological treatment unit combination processes with the effluent quality up to standard, and deter

Abstract: The present disclosure relates to the technical field of alien invasive species control, in particular to use of 4-nitro-3-(trifluoromethyl)phenol in killing or controlling Pomacea canaliculata, a method for killing or controlling the Pomacea canaliculata, and a molluscicide. The present disclosure provides use of 4-nitro-3-(trifluoromethyl)phenol in killing or controlling Pomacea canaliculata. The 4-nitro-3-(trifluoromethyl)phenol can effectively control the Pomacea canaliculata with a low cost. In the present disclosure, the results of examples show that: the 4-nitro-3-(trifluoromethyl)phenol has an obvious killing effect on the Pomacea canaliculata, showing a control effect comparable to that of niclosamide, a commonly-used molluscicide for killing the Pomacea canaliculata.

Abstract: A system, method, and computer program product for determining the cause of a battery condition, such as a thermal runaway event, are provided. An example battery safety evaluation system may include a battery having a housing and an interior battery compartment. The battery safety evaluation system may include internal sensing elements attached to the interior battery compartment and configured to capture data representative of an internal battery condition event. The battery safety evaluation system may further include an external sensing element attached to the battery housing and configured to capture data representative of an external battery condition event. In addition, the battery safety evaluation system may include a controller for determining a cause of the battery condition based at least in part on a time sequence of events generated from the internal data captured by the internal sensing element and the external data captured by the external sensing element.

Abstract: The present application provides a vibration exciter, including a casing with an accommodating cavity, a stator assembly assembled in the casing, and a vibrator assembly assembled in the accommodating cavity and driven by the stator assembly to vibrate. The stator assembly includes a polar core fixed on an inner side of the casing and a magnetic steel fixed on one side of the polar core away from the casing. The vibrator assembly includes a skeleton elastically connected to the casing, a mass block fixed to the skeleton, and a coil wound around the outer side of the skeleton. The skeleton is integrally formed and has a solid structure. In the present application, since the skeleton is a solid structure formed integrally, the skeleton is not easy to be deformed when the coils are wound, and the shape of the coils can be controlled, thus having a better shape.

Abstract: A hot extrusion die for a special-shaped square pipe includes a die cavity sleeve with a special-shaped cavity. A hot extrusion mandrel is arranged in the die cavity sleeve. An area between the die cavity sleeve and the hot extrusion mandrel forms a die cavity hole. A first extrusion diversion hole and a second extrusion diversion hole are arranged below the die cavity hole. An integral centroid of the die cavity hole is located at a circle center of a radial cross section of the die cavity sleeve. Further disclosed is a hot extrusion integral forming method for a special-shaped square pipe, including: heating and expanding a blank material; heating the blank material again after expanding; performing hot extrusion on the blank material; and cooling the formed special-shaped square pipe in air to a room temperature, and inspecting surface quality and mechanical properties of the special-shaped square pipe.

Abstract: Disclosed are a photovoltaic energy storage offline coordination system and method based on demand management. The system includes a photovoltaic generator set, an inverter, a dispatch and control device for charge-discharge, a load monitor, a first and second energy storage device, and a remote console. The photovoltaic generator set is electrically connected to the dispatch and control device for charge-discharge via the inverter; the first energy storage device is connected to a load-side power supply bus via a first dispatch and control unit; the second energy storage device is connected to the load-side power supply bus via a third dispatch and control unit; a second dispatch and control unit is connected to the load-side power supply bus; the load monitor is provided at the load-side power supply bus, and configured to monitor a load of the load-side.

Abstract: The present disclosure provides a rechargeable battery, including an electrode assembly and a connecting member. The electrode assembly includes an electrode assembly body and an electrode tab extending from an end surface of the electrode assembly body. The connecting member includes a guiding plate, a first connecting plate and a second connecting plate respectively connected to the guiding plate. The first connecting plate, the second connecting plate and the guiding plate extend along a width direction. The electrode tab is bent with respect to a longitudinal direction to form a bending part and the bending part of the electrode tab is connected to the first connecting plate. The width direction is to a thickness direction of the rechargeable battery.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.

Abstract: A chip package structure, manufacturing method thereof, and module are described. In an embodiment, the chip package structure includes: a substrate, a wiring layer, a chip, and a second conductive bump, wherein, in an embodiment, the substrate includes a first region and a second region surrounding the first region, and the wiring layer is located on side of the substrate and includes metal wire, wherein at least part of a metal wire is in contact with the substrate in direction perpendicular to the substrate, and the metal wire overlaps with the second region, wherein the chip is located on side of the wiring layer facing away from the substrate, and the chip corresponds to the first region. In an embodiment, a first conductive bump is provided on side of the chip facing away from the substrate and is electrically connected to the metal wire.

Abstract: An embodiment for automatically controlling peripheral devices based on online meeting participant information. The embodiment may detect participants of an online meeting and generate a participant information table. The embodiment may generate a participant group table including one or more preliminary participant groups based on the participant information. The embodiment may generate and send audio through peripheral devices associated with at least one participant in each of the one or more preliminary participant groups to identify the participants in physically shared meeting spaces. The embodiment may update the participant group table to include confirmed participant groups based on the identified participants in the physically shared meeting spaces. The embodiment may determine a presenter for each of the confirmed participant groups and update the participant information.

Abstract: The present disclosure provides a high-plasticity rapidly-degradable Mg—Li—Gd—Ni alloy, including the following chemical elements by mass percentage: 1.0-10.0% of Gd, 0.2-2.0% of Ni, 5.5-10% of Li, and the rest of Mg and inevitable impurities. The impurities have a total content less than or equal to 0.3%. The present disclosure further provides a preparation method of the high-plasticity rapidly-degradable Mg—Li—Gd—Ni alloy. The high-plasticity rapidly-degradable Mg—Li—Gd—Ni alloy provided by the present disclosure constructs an ?-Mg+?-Li dual-phase matrix structure by introducing ?-Li with a body-centered cubic (BCC) structure with relatively more slip systems to improve plasticity of the alloy, then adds a certain amount of Gd element to weaken texture and promote non-basal plane slip, and further improves plasticity. In addition, by introducing the high-potential Ni-containing LPSO phase, a large potential difference with ?-Mg and ?-Li is formed to increase the degradation performance.

Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.

Abstract: An approach for managing data set access based on data set relevance. The approach monitors data set access activities associated with a user. The approach detects access of a first data set by the user. The approach determines a group of data sets associated with the first data set based on a data set mapping associated with the user. The approach recalls one or more data sets of the group of data sets from a slower storage device to a faster storage device.