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: 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: 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: 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: 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: 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: 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.

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: Disclosed are a gyroscope and a charging device. The gyroscope includes: a casing, a motor, a circuit board and at least two tilt switches. The casing is provided with a rotation axis, the motor is fixedly mounted on the casing, an output shaft of the motor is coaxial with the rotation axis, an end of the output shaft away from the motor is located outside the casing, and the casing is rotatable around the rotation axis with the end of the output shaft away from the motor as a fulcrum. The circuit board is provided with a power supply and a current amplification circuit, the motor is connected to the power supply through the current amplification circuit. The at least two tilt switches are connected in series to the current amplification circuit for jointly controlling an on/off of the current amplification circuit.

Abstract: The present disclosure discloses a method for producing raw cotton of machine-harvested long-staple cotton with a modal length of greater than or equal to 35 mm, including the steps: planting sea-island long-staple cotton and machining seed cotton, wherein planting the sea-island long-staple cotton includes preparation before machine harvesting, defoliation and ripening, choosing a cotton variety, etc.; and machining the seed cotton includes preparation before seed cotton ginning, mechanical separation of cotton seeds and raw cotton, and finishing the separated raw cotton. Raw cotton fibers obtained by the method of the present disclosure have main quality indexes that: a fiber length is 36.5-38.4 mm, a specific strength is 42.3-46.1 cN/tex, a uniformity is 86.2-87.0%, a foreign-fiber content is 0.2-0.4 g/t, and an impurity content is 2.6-3.4%.

Abstract: Disclosed is a multifunctional kneading-type slurry producing machine, which includes a base frame and a screw. The base frame is provided with a kneading tube and a dispersing cavity. The kneading tube is provided with a kneading cavity, a powder inlet, a slurry inlet, and a slurry outlet, and the powder inlet, the slurry inlet and the slurry outlet are all communicated with the kneading cavity. The screw is threaded through the kneading cavity and pivotally connected to the base frame. The dispersing cavity is provided with a dispersing zone inlet and a dispersing zone outlet, and is configured to accommodate a dispersing stator and a dispersing rotor interacting with the dispersing stator. A shank portion of the screw is threaded through and drivingly connected to the dispersing rotor.

Abstract: A sound-absorbing material block, a method for preparing the same and application thereof are provided. The sound-absorbing material block includes three-dimensional open-cell foam, sound-absorbing material powder, a binder, a gel, and a cross-linking agent. The sound-absorbing material powder is bonded to each other and connected to the three-dimensional open-cell foam by means of the gel, the cross-linking agent, and the binder, by mass of the sound-absorbing material powder, the gel accounts for 1 wt % to 5 wt % of the sound-absorbing material powder, and the binder accounts for 1 wt % to 8 wt % of the sound-absorbing material powder, and by mass of the gel, the cross-linking agent accounts for 1 wt % to 10 wt % of the gel. The sound-absorbing material block according to the present disclosure reduces an additive amount of the binder, and significantly improves sound-absorbing performance and strength of the material block.

Abstract: A method for determining a spatial two-tuple is performed by a computer device. The method comprises: obtaining a given spatial distance and multiple spatial objects, wherein each spatial object belongs to a first spatial object set or belongs to a second spatial object set (101); determining a global area according to a minimum bounding rectangle (MBR) and an extended minimum bounding rectangle (EMBR) corresponding to the first spatial object set and an MBR and an EMBR corresponding to the second spatial object set (102); performing subspace division on the global area to obtain multiple subspaces (103); partitioning the multiple spatial objects according to a positional relationship between each spatial object and each subspace to determine spatial objects comprised in each subspace (104); and according to a spatial distance between the spatial objects of each subspace, determining a spatial two-tuple comprised in each subspace that matches the given spatial distance (105).

Abstract: Embodiments of the present application are directed to a method and apparatus for configuring timers and performing data transmission in a SDT procedure. In an embodiment of the present application, the method includes: receiving configured grant (CG) resource configuration information on a plurality of CG resources from a base station (BS); and determining a value of timing alignment (TA) timer based on a period of one selected CG resource from the plurality of CG resources or based on a value configured by the BS; and transmitting data in at least one of the plurality of CG resources if the TA timer is running and the at least one of the plurality of CG resources is valid.

Abstract: A display substrate and a display device are disclosed. In the display substrate, a plurality of openings include a plurality of opening groups, the plurality of opening groups include a plurality of opening group rows, each of the opening groups includes a first opening and a second opening, the plurality of opening group rows includes a first opening group row and a second opening group row, the spacer is located between the first opening of the first opening group row and the second opening of the second opening group row, an orthographic projection of the first opening includes a first long edge, and an orthographic projection of the second opening includes a second long edge, the first long edge is parallel to the second long edge, an extension line of the first long edge is misaligned from an extension line of the second long edge.

Abstract: Disclosed is a circulating kneading pulping system, including a pulping machine and a kneading tank; the pulping machine is provided with a powder feed port, a pulping chamber connected to the powder feeding port, and a slurry outlet communicated with the pulping chamber, and the screw rod of the pulping machine is provided in the pulping chamber; the slurry outlet of the pulping machine is connected with the kneading inlet of the kneading tank through a first pipeline, and the kneading tank is equipped with a liquid solvent inlet, and the kneading outlet of the kneading tank is connected with the circulation pulping inlet of the pulping machine through a second pipeline.

Abstract: Certain aspects of the present disclosure provide a technique for wireless communications by a user equipment (UE). The UE starts a procedure for a mobile terminated (MT) or mobile originated (MO) call in a first radio access technology (RAT) network. The UE receives a first command for the UE to move to a second RAT network to continue the call, and in response establishes a connection with the second RAT network to continue the call. The UE starts a timer based on an end of the call and take one or more actions dependent at least in part on the timer to prioritize return to the first RAT network in a standalone (SA) mode.

Abstract: A method of crowdsourcing annotation for medical image data based on image comparison, includes developing an annotation task; acquiring and verifying medical images according to requirements of the annotation task, and performing statistics on the medical images that meet verification standards to obtain an amount of image data acquired; archiving the medical images that meet the verification standards to form a medical image database; setting up annotation rules, and generating annotation schemes and annotation samples according to the requirements of the annotation task and annotation rules; distributing the medical images in the medical image database to multiple crowdsourcing annotation sides, so that each medical image being annotated by the multiple crowdsourcing annotation sides; annotating, by the crowdsourcing annotation sides, the distributed medical images according to the annotation schemes and the annotation examples to form the annotated images; and merging multiple annotated images correspondi