Abstract: Disclosed are a multifunctional cement hydration heat control material and a manufacturing method therefor. The cement hydration heat control material in is a comb polymer having three side chain structures, the three side chain structures are respectively a carboxyl group, a sugar alcohol group, and a polyether structure, and the main chain of the polymer is a carbon chain structure formed by free-radical polymerization of a double bond in a double bond compound monomer. The multifunctional cement hydration heat control material can achieve integration of cement hydration heat control performance, water reduction performance, and shrinkage reduction performance in a same molecule, can achieve control focusing on a performance by means of structural adjustment, does not need multi-component compounding during use, and is more convenient. The control material is non-toxic and water-soluble, can be made to have an appropriate concentration, and is convenient to use.

Abstract: An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section.

Abstract: This application provides a non-aqueous electrolyte and a preparation method thereof, and a secondary battery and an electric apparatus containing the same. The non-aqueous electrolyte contains the non-aqueous solvent and lithium ions, first cations, and first anions dissolved therein, where the first cation is a metal cation Men+ other than the lithium ion, n representing a chemical valence of the metal cation; the first anion is a tetrafluoroborate anion BF4?; mass concentration of the first cations in the non-aqueous electrolyte is D1 ppm, and mass concentration of the first anions in the non-aqueous electrolyte is D2 ppm, both based on total mass of the non-aqueous electrolyte; and the non-aqueous electrolyte satisfies that D1 is 0.1 to 1250 and that D1/D2 is 0.02 to 2. The non-aqueous electrolyte in this application enables the secondary battery to have good cycling performance, safety performance, and kinetic performance.

Abstract: Provided are an interaction method and apparatus in a live streaming room, and a device and a storage medium. The method comprises: in response to a trigger operation for a preset duet entry on a live streaming room page, jumping from the live streaming room page to a camera capture page, wherein a host portrait cutout corresponding to the live streaming room page is displayed on the camera capture page and a capture control is provided on the camera capture page acquiring multimedia information captured by a camera, in response to a trigger operation for the capture control on the camera capture page, wherein the multimedia information comprises an image or a video; and synthesizing the multimedia information with the host portrait cutout to obtain a duet multimedia product.

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: 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: A percutaneous circulatory support system includes a percutaneous circulatory support device. The device includes a housing, an impeller carried in the housing, and a guidewire insertion aide removably carried in the housing. The guidewire insertion aide lacks a through lumen.

Abstract: Provided is a display module. The display module includes: a base substrate, and a plurality of pixel circuits arranged in an array, a plurality of pixel electrodes arranged in an array, a liquid crystal layer, and a light source that are disposed on a side of the base substrate and successively arranged along a direction away from the base substrate; wherein the pixel circuit at least comprises a drive transistor, the drive transistor comprising a gate electrode, a first electrode, and a second electrode; and the pixel electrode at least comprises a reflective electrode.

Abstract: A percutaneous circulatory support device includes an impeller, a motor configured to rotate the impeller to cause blood to flow through the percutaneous circulatory support device, and a controller operably coupled to the motor. The controller is configured to determine a vascular pressure within a patient, a working voltage applied to the motor to cause the motor to rotate the impeller, a working speed of the motor caused by providing the working voltage to the motor, a blood flow parameter based on the vascular pressure, the working voltage, and the working speed, and a cardiac performance parameter based on the blood flow parameter.

Abstract: A xylylene diisocynate composition, a preparation method therefor and the use thereof. The xylylene diisocynate composition includes xylylene diisocynate and 0.2-500 ppm of a compound represented by formula (1). A resin prepared from the provided xylylene diisocynate composition has an excellent discoloration resistance and can effectively inhibit yellowing and/or white turbidity thereof.

Abstract: Embodiments of the present disclosure relate to an electrostatic protection structure and an electrostatic protection circuit. The electrostatic protection structure includes: a SCR structure and a trigger structure; the SCR structure includes: a well region of a second conductivity type and a first well of a first conductivity type region, a first-doped region of the first conductivity type, and a first-doped region of the second conductivity type; the trigger structure includes: a first-doped region of the second conductivity type, a second well region of the first conductivity type, a second-doped region of two conductivity types, a third-doped region of the second conductivity type, a fourth-doped region of the second conductivity type, and a first gate electrode.

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of data lines, a Demux circuit, a plurality of signal transmission lines and a plurality of sub-pixels. The Demux circuit includes at least two control signal lines and a plurality of control units. A pixel electrode and a common electrode are laminated and insulated in each of the sub-pixels to form a storage capacitor. A capacitance value of the storage capacitor and/or a common voltage connected with the common electrode of the sub-pixel are/is adjusted according to the intersection times of the corresponding data line with the plurality of control signal lines.

Abstract: A display panel and a display device are disclosed in the present application. The display panel includes a plurality of data lines, a Demux circuit, a plurality of signal lines, and at least one signal adjusting trace. Wherein the signal adjusting trace and corresponding signal lines are disposed in different layers and intersect with each other, along a second direction, the signal adjusting trace is configured to output a voltage adjusting signal at least before a next controlling signal is output by controlling traces, to adjust a voltage value of a next data voltage output by the signal line within an output period of the voltage adjusting signal.

Abstract: An RRC connection method and device, and a readable storage medium, and pertain to the field of communications technology. The method includes: in a case that a Relay UE is in RRC_IDLE or RRC_INACTIVE, determining, by the Relay UE, whether a first condition is satisfied; and triggering, by the Relay UE, an RRC connection establishment or RRC connection recovery procedure in a case that the Relay UE satisfies the first condition; where the first condition includes one or more of the following: the Relay UE determines to provide a relay service for one or more remote terminals Remote UEs; and the Relay UE receives one or more first messages from one or more Remote UEs, where each of the first messages carries a first cause value cause value of each of the Remote UEs for requesting RRC connection recovery or RRC connection establishment.

Abstract: A molecular marker for diagnosing primary biliary cholangitis and a method for detecting same are provided. The anti-human multimer immunoglobulin receptor antibody is adopted as the primary biliary cholangitis diagnosis molecular marker so as to prepare the diagnosis reagent; the human multimer immunoglobulin receptor antibody is remarkably increased in serum of PBC AMA-M2 subtype positive and negative patients, which indicates that in the attack of PBC, the serum anti-human multimer immunoglobulin receptor antibody specifically targets human multimer immunoglobulin receptors on small and medium bile ducts in the liver, thereby causing damage to the small and medium bile ducts.

Abstract: The embodiments of the present disclosure relate to a sound signal processing method, device, electronic equipment and storage medium. The method is used for a head-mounted display apparatus and includes: acquiring an ambient sound signal of the head-mounted display apparatus, identifying the ambient sound signal and determining a sound category corresponding to the ambient sound signal, and displaying corresponding prompt information in the head-mounted display apparatus according to the sound category.

Abstract: A battery module includes at least two rows of battery cells stacked together along the width direction of the battery cells, the at least two rows of battery cells comprising a first row of battery cells and a second row of battery cells that are adjacent to each other. The first row of battery cells and the second row of battery cells include a plurality of battery cells in total, where some of the battery cells in the plurality of battery cells have different lengths from the remaining battery cells. Along the width direction of the battery cells, a centerline along the length direction of at least one battery cell in the first row of battery cells is not collinear with a centerline along the length direction of at least one battery cell in the second row of battery cells.

Abstract: Methods, systems, and computer programs are presented for eliminating bias while training an ML model using training data that includes past experimental data. One method includes accessing experiment results, for A/B testing of a first model, that comprise information regarding engagement with a first set of items presented to users, each item being presented within an ordered list of results. A position bias is calculated for positions within the ordered list of results where the items were presented. A machine-learning program is trained to obtain a second model using a training set comprising values for features that include the calculated position bias. The method includes detecting a second set of items to be ranked for presentation to a first user, and calculates, using the second model, a relevance score for the second set of items, which are ranked based on the respective relevance score and presented on a display.

Abstract: Provided are an interaction method and apparatus in a live streaming room, a device, and a storage medium. The method comprises: in response to a trigger operation for a preset drawing entry on a live streaming room page, jumping to a graphic drawing page from the live streaming room page, a drawing trajectory set for a preset object being displayed on the graphical drawing page; when a drawing stroke on the graphic drawing page is received, matching the drawing stroke with the drawing trajectory; and if it is determined that the drawing stroke is successfully matched with the drawing trajectory, displaying prompt information about successful participation in a preset activity, the preset activity and the preset drawing entry having a correspondence.

Abstract: An information acquisition method, an information sending method, a related device, and a readable storage medium are disclosed. The information acquisition method includes: performing, by a remote terminal, a first operation, where the first operation satisfies at least one of the following: in a case that the remote terminal is within coverage of a same cell as a relay terminal, the first operation includes at least a first sub-operation, in a case that the remote terminal is not within the coverage of the same cell as the relay terminal or that the remote terminal is not covered by any cell, the first operation is a second sub-operation, or the first operation is determined based on whether the remote terminal has searched out a target cell. The first sub-operation is to acquire system information through a first interface. The second sub-operation is to acquire system information through the relay terminal.