Abstract: An electronic device for estimating object information and generating a virtual object and a method of operating the electronic device are disclosed. The method includes obtaining an image, obtaining a class feature, a pose feature, and a relationship feature of an object included in the image, correcting each of the class feature, the pose feature, and the relationship feature using any combination of any two or more of the class feature, the pose feature, and the relationship feature of the object, and obtaining class information, pose information, and relationship information of the object based on the corrected class feature, the corrected pose feature, and the corrected relationship feature, respectively.

Abstract: The present disclosure provides a cluster management method, device, electronic device and storage medium. The cluster management method includes: initiating, by a meta cluster, an addition and deletion task for a work cluster, wherein the addition and deletion task for a work cluster is used for instructing addition of a specified work cluster to a cluster system or instructing deletion of the specified work cluster from the cluster system; and controlling the specified work cluster to implement corresponding cluster deployment or removal in the cluster system according to instruction information of the addition and deletion task.

Abstract: This application relates to the technical field of electric tools, and particularly discloses a data transmission system, a power supply apparatus and an external device. The system includes a battery pack and an external device. A first level shifter module in the battery pack carries out data transmission with a first processing module at a first transmission voltage, and a second level shifter module in the external device carries out data transmission with a second processing module at a second transmission voltage. The first level shifter module and the second level shifter module transmit data at a preset voltage. The preset voltage is greater than the first transmission voltage and the second transmission voltage.

Abstract: A biomimetic thermal regulating fabric (BTRF) imitating army and bivouacs and a method for constructing the same are provided. The BTRF comprises a plurality of yarns formed of textile fibres having a water-actuated crimp behaviour, wherein the plurality of yarns is knitted by means of transfer stitch to form an unsymmetrical fabric structure which has a positive water-actuated expansion rate along a first axis and a negative water-actuated expansion rate along a second axis orthogonal to the first axis. Surfaces of the textile fibres are plasma-treated to have one or more hydrophilic functional groups. One or more colorimetric fabric sensors are incorporated to generate colours in response to one or more ambient environmental conditions or user physiological conditions respectively. The present invention has excellent scalability, biocompatibility, and great dynamic durability, and is advantageous for applications in athletic wear, outdoor wear, and medical textiles.

Abstract: Disclosed are a dental crown of a dental implant and a dental implant thereof. The dental crown of the dental implant includes a dental crown body. An occlusal side groove is reserved in the top of the dental crown body, an interocclusal space is reserved between a groove bottom adjacent wall of the occlusal side groove and an opposing tooth, the reserved occlusal side groove is used for the filling of photosensitive resin, and the photosensitive resin is used for making contact with the opposing tooth.

Abstract: A method for evaluating images of a printed pattern. The method includes obtaining a first averaged image of the printed pattern, where the first averaged image is generated by averaging raw images of the printed pattern. The method also includes identifying one or more features of the first averaged image. The method further includes evaluating the first averaged image, using an image quality classification model and based at least on the one or more features. The evaluating includes determining, by the image quality classification model, whether the first averaged image satisfies a metric.

Abstract: The invention relates to pharmaceutical compositions comprising compounds of Formula Q: wherein W is —N(CH3)—, and Y is —CH(OH)—, in free base or pharmaceutically acceptable salt form, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) pathway and/or the dopamine D2 receptor pathway, and methods of treating conditions of the central nervous system therewith.

Abstract: The present disclosure provides a technology field of caking of crystal particles, and in particular relates to a method for predicting a critical caking cycle of crystal particle. The method includes: establishing a CHS crystal bridge growth model database of a crystal particle with a same type of crystal particle to be predicted firstly, selecting existed data in the corresponding CHS crystal bridge growth model database based on an equivalent particle radius, a stored ambient temperature, and an environmental high and low humidity cycle condition of the crystal particle to be predicted, respectively, and calculating the critical caking cycle according to experience calculation equations, wherein a result obtained by calculation is a predicted critical caking cycle of the crystal particle to be predicted.

Abstract: This application discloses an information transmission method and apparatus, and relates to the field of wireless communications technologies. The method in this application includes: receiving first resource configuration information, where the first resource configuration information is used to indicate a transmission resource of downlink control information, the downlink control information includes information used to indicate a transmission resource of a first message in a random access process and/or information used to indicate a transmission resource of a second message in the random access process, the first message includes a random access response message, and the second message includes a contention resolution message; and then receiving the first message and/or the second message based on the downlink control information. This application is applicable to a random access procedure.

Abstract: Systems and methods described herein relate to automatic index recommendations for improved database query performance. Candidate indexes are identified. The candidate indexes are associated with a database query that is classified as a slow query. A feature vector is generated for each candidate index to represent statement features and statistical features associated with the candidate index. The feature vectors are provided to one or more machine learning models to obtain an index recommendation value for each candidate index. An index recommendation is presented at a user device. The index recommendation identifies a first index of the candidate indexes based at least partially on the index recommendation value obtained for the first index. User input indicative of a user selection of the first index is received. A database schema is updated to include the first index in response to the user input.

Abstract: Disclosed are an integrated mining method and an integrated mining system of coal breaking, coal extraction and water circulation in a U-well. The integrated mining system includes a first ground facility unit, a second ground facility unit, a jet unit and an extraction unit. The first ground facility unit is configured to transport jet fluid to the jet unit. The jet unit is configured to break a coal seam in a sub-segment to obtain broken cinders. The extraction unit is configured to extract a coal-water mixture. The second ground facility unit is configured to receive the coal-water mixture. In response to determining that an extraction of the sub-segment is complete, the jet unit and the extraction unit is configured to move to a next sub-segment using powers provided by the first ground facility unit and the second ground facility unit.

Abstract: A treatment agent for an electronic-grade low-dielectric fiberglass cloth, and a preparation method thereof are provided. The treatment agent for an electronic-grade low-dielectric fiberglass cloth is prepared from the following raw materials in weight percentages: a coupling agent A: 0.6% to 1.2%, a coupling agent B: 0.3% to 0.8%, a coupling agent additive: 0.01% to 1.5%, an alcohol: 0.1% to 0.5%, an acid: 0.1% to 0.5%, and water: the balance, where the coupling agent A is a vinyl-containing coupling agent; the coupling agent B is a vinylbenzyl-containing coupling agent; and the coupling agent additive is a salt of a maleic anhydride (MA)-grafted copolymer. On the basis of meeting the low dielectric performance, the treatment agent of the present disclosure improves the binding performance of the low-dielectric fiberglass cloth to a low-dielectric customer resin and enhances the mechanical performance and heat resistance of the low-dielectric fiberglass cloth.

Abstract: An example sensor includes a flow cell, a detection device, and a controller. The flow cell includes a passivation layer having opposed surfaces and a reaction site at a first of the opposed surfaces. The flow cell also includes a lid operatively connected to the passivation layer to partially define a flow channel between the lid and the reaction site. The detection device is in contact with a second of the opposed surfaces of the passivation layer, and includes an embedded metal layer that is electrically isolated from other detection circuitry of the detection device. The controller is to ground the embedded metal layer.

Abstract: A die-cast aluminum alloy and a preparation method and application thereof are disclosed. Based on the total weight of the aluminum alloy, the aluminum alloy includes: 8-11 wt % of Si, 2.5-5 wt % of Cu, 0.5-1.5 wt % of Mg, 0.1-0.3 wt % of Ni, 0.6-1.2 wt % of Fe, 0.1-0.3 wt % of Cr, 0.03-0.05 wt % of Sr, 0-0.3 wt % of Er, 80.25-88.1 wt % of Al, and 0.1 wt % or below of impurities.

Abstract: The disclosure provides a radar ranging method and device, a radar, and an in-vehicle system. An example method includes: obtaining a pulse waveform of a transmit signal sent to a target object by a radar; obtaining a sampling sequence of an echo signal received by the radar; determining, in sampling points on a rising edge of the sampling sequence, a first timing point used to indicate a receive moment of the echo signal; determining, based on the first timing point and the pulse waveform of the transmit signal, a second timing point used to indicate a transmit moment of the transmit signal; and calculating a distance between the radar and the target object based on the first timing point and the second timing point.

Abstract: The present disclosure discloses a display panel and a display device. The compensation module in the display panel is configured to input a first compensation voltage to a subpixel in the blank period of the first frame and a second compensation voltage to the subpixel in the blank period of the second frame. The polarity of the first compensation voltage is the same as the polarity of the first data voltage, and the polarity of the second compensation voltage is the same as the polarity of the second data voltage. The first compensation voltage is not zero, and the second compensation voltage is not zero.

Abstract: A coal and coalbed methane mining system based on ground drilling includes: a drilling component, a coal mining drill bit and a ground facility group. The coal mining drill bit is set at a predetermined end of a directional borehole in a coal seam, connected to the drilling component through a connecting pipeline. The ground facility group is connected to the drilling component, to provide coal cutting slurry for the coal mining drill bit, receive reflux slurry carrying coal and coalbed methane, and precipitate and separate the reflux slurry carrying the coal and the coalbed methane. A coal and coalbed methane mining method based on ground drilling and related devices are also disclosed.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a bandwidth part configuration that indicates one or more bandwidth parts associated with at least one beam and switch, based at least in part on the bandwidth part configuration, from a first bandwidth part of the one or more bandwidth parts as an active bandwidth part to a second bandwidth part of the one or more bandwidth parts as the active bandwidth part. Numerous other aspects are provided.

Abstract: A display module includes a display panel, a middle frame, a film assembly, a backlight source and a backplane. The middle frame includes sub-frames each including a body and a support portion. The backplane includes a substrate and flanges. The sub-frames include at least one first sub-frame. The body of the first sub-frame is provided with a protrusion and the protrusion abuts against a corresponding flange. In the thickness direction of the flange, the orthographic projection of the protrusion on the substrate does not completely cover the orthographic projection of the corresponding flange on the substrate. The backlight source and the film assembly are sequentially arranged on the substrate, and the film assembly is located between the support portions and the flanges; and in the thickness direction of the flanges, an expansion gap is reserved between the protrusions and the film assembly.

Abstract: An application-level memory control group of a first application may be created when the first application is opened. An anonymous page of the first application is added to a least recently used linked list of the application-level memory control group, and a file page of the first application is added to a global least recently used linked list. An application-level memory control group is created in a dimension of an application, and an anonymous page of the application is managed in a refined manner. In addition, a file page of the application-level memory control group may be managed based on a global least recently used linked list.