Abstract: Disclosed in the present invention are a high-strength steel composite galvanized sheet resistant to LME cracking during spot welding, and a preparation method therefor. The high-strength steel composite galvanized sheet comprises a high-strength steel body (1), low-carbon steel composite layers (2) and a galvanized layer (3), wherein two low-carbon steel composite layers (2) are respectively compounded and rolled on two surfaces of the high-strength steel body (1), the galvanized layer (3) is formed on the surface of at least one low-carbon steel composite layer (2), and a high-strength steel composite galvanized sheet is thus formed.

Abstract: The present application relates to a top cap assembly, a secondary battery, a battery module, and a device. The top cap assembly includes a top cap plate, having electrode lead-out hole; an electrode terminal, arranged at the top cap plate and covering the electrode lead-out hole; a current collecting member, in which the current collecting member includes a convex portion having an accommodating cavity, at least part of the convex portion is arranged in the electrode lead-out hole, and welded and connected to the electrode terminal to form a welding portion facing the accommodating cavity, and the current collecting member has a connecting hole; an insulating protection member, in which the insulating protection member is arranged at a side of the current collecting member away from the electrode terminal, and the insulating protection member includes a shielding portion and a connecting portion connected with the shielding portion.

Abstract: The present disclosure provides, a cleaner hanger assembly, including a hanger, a charging bottom plate, an accessory frame, a hanger column and a base. The charging bottom plate can be used in cooperation with the hanger, so that a charging operation can be performed while the cleaner is hung on the hanger whether the cleaner is in a hanging state or in a floor-standing state, and the charging bottom plate can also be detached for separate use. The hanger can be connected to the accessory frame to form a wall hanger assembly; or the hanger can be connected to the base by means of the hanger column and the accessory frame is fixed in the middle of the hanger column to form a floor-standing hanger assembly.

Abstract: The disclosure provides a rechargeable battery pack, applicable to a handheld vacuum cleaner, including: a polymer cell, comprising at least one polymer cell unit; a charger input terminal, electrically connected to the polymer cell, wherein the polymer cell is charged through the charger input terminal; a power interface, electrically connected to the polymer cell, and configured to supply power to the handheld vacuum cleaner when the rechargeable battery pack is connected to the handheld vacuum cleaner; and a protective circuit module (PCM) board. A handheld vacuum cleaner is further provided herein.

Abstract: Provided are a battery cell, a battery and an electricity consumption device. The battery cell includes: an electrode assembly which includes a body portion and a tab extending from the body portion; a housing configured to accommodate the electrode assembly and provided with a first opening; a first end cover configured to cover the first opening; and a tab support located between the first end cover and the body portion and configured to support the tab, wherein the first end cover is provided with a first clamping structure, the tab support is provided with a second clamping structure, and the first clamping structure is clamped with the second clamping structure. By means of the technical solutions in the embodiments of the present application, the reliability of the battery cell can be improved.

Abstract: Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: a shell including a plurality of side plates that enclose an end opening of the shell; an electrode assembly arranged in the shell; and an end cap arranged at the end opening, the end cap including a plurality of edge portions that are fixedly connected to an end surface of the end opening and respectively correspond to the plurality of side plates, wherein the plurality of side plates include a first side plate and a second side plate with different thicknesses, and the plurality of edge portions include a first edge portion corresponding to the first side plate and a second edge portion corresponding to the second side plate.

Abstract: A battery cell includes: an electrode assembly; and a housing, configured to accommodate the electrode assembly. An injection hole is created on a first wall of the housing. The electrode assembly includes a body portion. An orthographic projection of an opening, close to an interior of the housing, of the injection hole is staggered from an orthographic projection of the body portion on the first wall.

Abstract: Disclosed in the present disclosure is a method for producing hydrogen from woody waste through staged pyrolysis and catalytic gasification. The method includes: performing baking pretreatment on the woody waste; thermally activating aluminum smelting waste residues, and mixing the thermally activated aluminum smelting waste residues with the baked woody waste; pyrolyzing and gasifying the mixture for hydrogen production to obtain primary pyrolysis gas and a carbon-aluminum composite material; and further catalytically cracking the obtained primary pyrolysis gas by taking the obtained carbon-aluminum composite material as a catalyst.

Abstract: The embodiments of the disclosure provide a method, apparatus, device and storage medium for presenting information, which relate to the technical field of computers. The method includes: obtaining object search information, in response to the object search information being object category information, determining a target object category corresponding to the object search information, and presenting object information of a plurality of target objects corresponding to the target object category in a search result presentation page; where all the plurality of target objects are different, and object information of a target object includes object attribute information and image resource information of the target object. By employing the above technical solution, when the user is searching the object category, object information of a plurality of target objects different from each other corresponding to the target object category is presented in the search result page.

Abstract: Provided are a system and a method for impact testing and monitoring of a high-energy flexible net. The system includes a vertical impact testing unit, a slope impact testing unit, an impact simulation unit, and an impact monitoring unit. The vertical impact testing unit includes a vertically positioned gravity wall. The slope impact testing unit includes a wall slope positioned perpendicularly to a second side of the gravity wall. A first side of the gravity wall and a slope surface of the wall slope are securely provided with a flexible net, respectively. The impact simulation unit includes an impact assembly and a lifting assembly. The impact monitoring unit is configured to monitor a deformation result and an internal force change result of the flexible net.

Abstract: A video segmentation method and apparatus, an electronic device, and a computer-readable storage medium, related to the technical field of video processing. The method comprises: acquiring a video frame to be processed in a target-video, and information to be segmented in the video frame to be processed; determining a tilt angle corresponding to the video frame to be processed according to the information to be segmented; performing correction processing on the video frame to be processed according to the tilt angle, to obtain a corrected video frame; and performing image segmentation on the corrected video frame according to the information to be segmented, to determine an image to be played.

Abstract: A liquid-crystal display panel includes a first region and a second region, and a transmittance of the first region is greater than a transmittance of the second region; the liquid-crystal display panel includes a plurality of sub-pixels; the plurality of sub-pixels include a first-color sub-pixel and a second-color sub-pixel, a transmittance of the first-color sub-pixel is greater than a transmittance of the second-color sub-pixel, and an area of the first-color sub-pixel is greater than an area of the second-color sub-pixel; and the plurality of sub-pixels further include a first-region sub-pixel and a second-region sub-pixel that have a same color, the first-region sub-pixel is located within the first region, the second-region sub-pixel is located within the second region, and a thickness of a color-resistance layer of the first-region sub-pixel is less than or equal to a thickness of a color-resistance layer of the second-region sub-pixel.

Abstract: In some examples, systems and methods for object tracking are provided. For example, a method includes: receiving an image frame in a sequence of image frames; identifying an object of interest in the image frame using a single-object tracker (SOT) based upon one or more templates associated with the object of interest in a template repository; generating a SOT output based on the identified object of interest; and detecting one or more objects in the image frame using a multiple-object tracker (MOT). In some examples, the MOT including a machine-learning model. In some examples, the method further includes conducting a matching between the SOT output and each detected object of the one or more detected objects to generate a match result; and generating a tracker output based at least in part on the SOT output, the one or more detected objects, and the match result.

Abstract: In some examples, systems and methods for user-assisted object detection are provided. For example, a method includes: receiving a first image frame of a sequence of image frames, performing object detection using an object tracker to identify an object of interest in the first image frame, based upon one or more templates associated with the object of interest in a template repository, outputting a first indicator associated with a first image portion corresponding to the identified object of interest, and receiving a user input associated with the object of interest. In some examples, the user input indicates an identified image portion in the image frame. In some examples, the method further includes generating a retargeted template, based at least in part on the identified image portion, and determining a second image portion associated with the object of interest in a second image frame of the sequence of image frames using the object tracker, based at least in part on the retargeted template.

Abstract: In some examples, systems and methods for user-assisted object detection are provided. For example, a method includes: receiving an input image, and performing object detection by a software detector to identify a set of detected objects. The software detector includes a machine-learning model. The method further includes outputting one or more indicators of the set of detected objects. Each detected object in the set of detected objects is associated with a confidence level. The method further includes receiving a user input; identifying a template including an image portion associated with the user input; determining a similarity metric between the template and an object in the set of detected objects; modifying a confidence level of the object based at least in part on the determined similarity metric; and generating an output including an indicator of the object based at least in part on the modified confidence level.

Abstract: Disclosed are a cleaning apparatus and a dirtiness detecting method for a cleaning apparatus. The cleaning apparatus includes: a cleaning portion configured to clean a surface to be cleaned; a detecting device configured to detect a physical attribute value of the cleaning portion; and a processor configured to acquire the physical attribute value detected by the detecting device, determine, by using a comparison result of the physical attribute value and a dynamically set standard attribute value, a degree of dirtiness of the surface to be cleaned, and adjust a cleaning mode of the cleaning apparatus based on the degree of dirtiness.

Abstract: This invention relates to processes for the removal of phosphorous from aqueous waste streams comprising phosphorus-containing compounds produced in the manufacture of glyphosate, in order to meet and typically exceed environmental regulations. More particularly, various embodiments of the present invention relate to the removal of phosphorous-containing compounds utilizing biological treatment system(s), oxidizing agent(s), and/or precipitant(s). The processes of the invention are also applicable to the removal of phosphorous compounds from phosphorous-containing waste streams other than those waste streams resulting from the manufacture of glyphosate.

Abstract: A digital speckle based online water wall stress monitoring method and device, and the method includes the following steps: arrange an online stress monitoring device on the side of the water wall to be monitored; determine a plurality of monitoring points according to the area of the water wall, and set the motion track of the online stress monitoring device for speckle image acquisition according to the determined monitoring points; acquire the real-time speckle image of each monitoring point in real time after acquiring the initial speckle image of each monitoring point; compare the real-time speckle images with the initial speckle images, and determine whether the stress of the water wall changes according to the comparison results. The invention adopts non-contact digital image technology, and determines the difference between the real-time and initial speckle images of the water wall to realize the stress monitoring.

Abstract: A cleaning device, a storage apparatus for the cleaning device, and a cleaning system are provided. The cleaning device includes a body and a connecting portion, the body or the connecting portion is provided with an attraction member, and the attraction member is configured to attract a surface to be attracted.

Abstract: The present disclosure relates to a supporting structure and a cleaning device. The supporting structure includes a top structure and a side structure. The top structure is connected and fixed to a main body of the cleaning device. The side structure includes: a dust bag installation structure, a dust bag being fittingly installed to the dust bag installation structure through an installation assembly on the dust bag; and a support air inlet channel for communicating a dirty air inlet of the cleaning device and a dust bag inlet.