Abstract: A battery includes a housing, multiple electrode cores, and a connection wiring. At least two of the electrode cores have different heights, and each of the electrode cores includes a lead-out portion. The housing has multiple outward protrusions forming multiple accommodating grooves inside the housing, and the accommodating grooves respectively match dimensions of the electrode cores to accommodate the electrode cores. The connection wiring is accommodated in the housing and disposed based on a connection relationship of the electrode cores and positions of the lead-out portions to electrically connect the electrode cores, where the connection relationship comprises a serial connection or a parallel connection. The connection wiring comprises an output terminal, and the output terminal extends out of the housing for leading out power.

Abstract: The present disclosure provides a ceramic three-dimensional (3D) printing device based on a gel molding process and a control method. The ceramic 3D printing device based on a gel molding process includes a feeding assembly, a receiving assembly, a scraping assembly, and a spray assembly. The feeding assembly includes a feeding pump and a storage hopper. The receiving assembly includes a feeding rod. The feeding pump can convey slurry in the storage hopper to the feeding rod. The control method includes introducing the atomized liquid into the storage hopper and the bearing groove through the first spray pipe and the second spray pipe respectively. According to the present disclosure, a water content of the slurry can be controlled to achieve a better curing effect.

Abstract: A split-type plunger pump includes: a first module including a reduction gearbox assembly, an input side interface thereof being connected to a power source; a second module including a crankcase assembly, an input side interface thereof being connected to an output side interface of the first module; a third module including a crosshead box assembly, an input side interface thereof being connected to an output side interface of the second module; and a fourth module including a fluid end assembly, an input side interface thereof being connected to an output side interface of the third module. The reduction gearbox assembly, the crankcase assembly, the crosshead box assembly, and the fluid end assembly are sequentially connected.

Abstract: A method and a device for testing rolling resistance by region are provided, and belong to the technical field of regional testing. The method includes: S1, selecting a target tire as a test sample, and obtaining basic parameters of the target tire; S2, longitudinally partitioning a tire tread of the target tire to obtain five tire tread regions, and numbering each of the tire tread regions; S3, based on a rolling resistance testing device and shielding materials, respectively measuring rolling resistance values of left, right, shoulder and middle tire pattern regions in groups; and S4, evaluating resistance of the target tire according to the rolling resistance values combined with tire patterns. The test accuracy is improved and the tire performance is optimized.

Abstract: An overload protection device for a multi-national power converter. The multi-national power converter includes a main body upper cover, a main body lower cover, an American standard pin assembly, and a British standard pin assembly. A socket hole is defined on the main body upper cover. The overload protection device includes: a fuse holder; a fuse tube; a lower conduction piece; and an upper conduction piece. An installation frame is formed inside the fuse holder. The lower conduction piece includes a lower conduction clamping portion. The upper conduction piece includes an upper conduction clamping portion. An installation cover is formed on a lower end surface of the fuse holder; a fuse tube insertion hole is defined on the main body lower cover; at least one withdrawal clearance slot is recessed on the fuse tube insertion hole. A gap is defined between the installation cover and the withdrawal clearance slot.

Abstract: A hydrochromic halide perovskite includes a CsxTbyFz halide perovskite doped with a lanthanide ion dopant, which is capable of water-induced reversible phase transformation between pristine state and wet state, and exhibits reversible change in optical emission under ultraviolet excitation. A printable pattern comprising a film of the hydrochromic halide perovskite and a method for preparing the hydrochromic halide perovskite are also addressed.

Abstract: A modular electronic device system that can include a computing device in electronic communication with an input device. Various types of sensor contained in either or both of the computing device and input device are used to determine orientation and hinge angle between the computing device and input device. Input settings can be changed according to the data from the various sensors. The input device can also include an elongated tail that is configured to attach to the computing device. The elongated tail can allow multiple physical configurations for ease of use.

Abstract: A spatial filter, a driving method thereof and an electronic device are provided, and belong to the field of wireless communication technology. The spatial filter of the present disclosure includes at least one filter structure; wherein each filter structure includes a first substrate, a second substrate opposite to the first substrate, and a dielectric layer between the first substrate and the second substrate; wherein the first substrate includes a first dielectric substrate and at least one first electrode on a side of the first dielectric substrate close to the dielectric layer; the second substrate includes a second dielectric substrate and at least one second electrode on a side of the second dielectric substrate close to the dielectric layer; and the at least one first electrode intersects with the at least one second electrode, which defines at least one resonant unit configured to filter an electromagnetic wave.

Abstract: A control method and circuit for a switch power source, and a switch power source, which relate to the technical field of switch power sources. In the solution, a resonance period signal of a switch power source is detected in real time; and a delay time is superimposed on the resonance period signal, so that a control signal controls a primary-side power switch tube of the switch power source to turn on within a preset range near a target valley of a resonance waveform according to the resonance period signal and a delay signal, wherein the delay time is related to a first parameter and a second parameter, the first parameter being a set value that changes over time within a certain range, and the second parameter being a function related to a resonance period of the switch power source.

Abstract: A cooking device, which includes: a frame; a base, connected to the frame; a pot assembly, including a pot, the pot being configured to be connected to the base; a first seasoning mechanism, disposed on the frame, the first seasoning mechanism being capable of conveying solid materials into the pot; and a second seasoning mechanism, disposed on the frame, the second seasoning mechanism being capable of conveying liquid materials into the pot. During a cooking process, the cooking device may respectively put the solid materials and the liquid materials into the pot by using the first seasoning mechanism and the second seasoning mechanism, so as to replace manual material feeding. Therefore, the problems in the related art of long cooking time during the using of an automatic cooking machine by a user and poor user experience are solved, thereby improving user experience.

Abstract: This application provides a connector and an electronic device, and the connector includes a socket assembly and a plug assembly that are plug-connected and fitted. The socket assembly includes a socket housing and a socket body, where the socket body is disposed in the socket housing, first wiring terminals are disposed on the socket body, and the socket housing is provided with at least one first guide groove extending in a first direction. The guide block fits the first guide groove, so that plug-connection guidance between the plug assembly and the socket assembly is implemented, oblique plugging of the plug assembly is prevented, pin crash in a plugging process is avoided, and blind mate in narrow space may be supported.

Abstract: A spring-loaded seal band for protecting a bonding layer of a substrate support, the spring-loaded seal band includes an annular body having a first length when the spring-loaded seal band is in an uncompressed state. The annular body comprises a first annular body portion, an annular arm, and a flexible neck portion that connects the first annular body portion and the annular arm. The spring-loaded seal band is configured to surround the substrate support between a lower surface of a top plate and an upper surface of a baseplate. The lower surface of the top plate and the upper surface of the baseplate is separated by a second length. The first length is greater than the second length. The flexible neck portion is configured to bend when the spring-loaded seal band is in an installed compressed state.

Abstract: A standby method for a switching power supply may be applied to a switching power supply provided with an optical coupler circuit. The method includes: upon detecting a mode control signal indicating that a load device power supply demand is greater than a preset value, entering a first mode, and controlling output voltage of the switching power supply by means of an optical coupler circuit; and upon detecting a mode control signal indicating that the load device power supply demand is less than or equal to the preset value, entering a second mode, turning off a bias current of the optical coupler circuit, and controlling the output of the switching power supply by means of a driving pulse signal, so as to reduce bias currents of a primary side and a secondary side of the switching power supply, and reduce standby power consumption of the switching power supply.

Abstract: The present disclosure provides a case with a bracket for mobile phone, which comprises a mobile phone case main body, a bracket, a fixing assembly and a torsion element; the mobile phone case main body is provided with the fixing assembly, which is connected to the bracket through the torsion element, wherein the torsion element is composed of multiple hook spring pieces spliced side by side, wherein one end of the multiple hook spring pieces is clamped onto a rotating shaft set at one end of the bracket, and the other end of the multiple hook spring pieces is connected to the fixing assembly. The present disclosure can disperse concentrated stress and improve structural strength through the cooperation of multiple hook spring pieces. Therefore, the present disclosure can achieve the function of a mobile phone bracket, and the structure of the torsion element in the present disclosure is simple, which is conducive to large-scale production.

Abstract: The present disclosure provides a method for predicting a target object, including performing a first voxelization on a plurality of first points included in a point cloud to obtain a plurality of first voxels; predicting a plurality of second points from the plurality of first voxels, wherein each of the plurality of second points represents a prediction of a center of the target object by a first point; performing a second voxelization on a plurality of first points and a plurality of second points to obtain one or more second voxels and one or more third voxels; and predicting the target object from the one or more third voxels. In addition, the present disclosure also provides an apparatus and non-transitory computer-readable storage medium that can perform the methods described above.

Abstract: The present disclosure relates to a localization method and apparatus, and a computer apparatus and a computer-readable storage medium. The localization method includes performing radar mapping and visual mapping by respectively using a radar and a vision sensor, wherein a step of the vision mapping includes determining a pose of a key frame; and combining radar localization with vision localization based on the pose of the key frame, to use vision localization results for navigation on a map obtained by the radar mapping.

Abstract: A stable pharmaceutical composition contains active ingredients of edaravone and dextrocamphol can control the content of unique impurity SCR-756 and impurity SCR-757 thereof.

Abstract: An HDAC1/2 selective inhibitor and the use thereof. Specifically, the present invention relates to a compound as represented by general formula (1) and a preparation method therefor, and the use of the compound of general formula (1) and each isomer, each crystal form, a pharmaceutically acceptable salt, hydrate or solvate thereof as an HDAC1/2 selective inhibitor in the preparation of an anti-tumor drug.

Abstract: The application relates to the field of electrical power tools and discloses a cleaning device. The cleaning device includes: a first body having a drive device for outputting torque arranged therein; a second body rotatably connected to the first body, the second body including a rotating part that rotates around a first axis direction; a power transmission device having an input shaft connected to an output end of the drive device and an output shaft connected to the rotating part; and a cleaning component disposed on the rotating part. The relative angle between the second body and the first body is adjustable, allowing the angle of the cleaning component to be adjusted according to actual needs, thereby avoiding a series of defects caused by traditional fixed connection methods.

Abstract: A horizontal machine tool includes a B-axis rotary assembly (1), the B-axis rotary assembly (1) has a machining surface (2) and a tool magazine surface (3) oriented in different directions, the machining surface (2) and the tool magazine surface (3) are both parallel to a B-axis and configured to rotate simultaneously about the B-axis, a tool magazine (4) is provided on the tool magazine surface (3), an axis of a tool within the tool magazine (4) is perpendicular to the tool magazine surface (3), the machining surface (2) is provided with a worktable (5), and a rotational axis of the worktable (5) is perpendicular to the machining surface (2). The worktable (5) and the tool magazine (4) share the B-axis for rotation. This design results in a compact machine configuration, which effectively reduces the installation space required for the equipment.