Abstract: Embodiments of this application provide an image frame stabilization method and apparatus. The method includes: receiving a first operation of a user; starting a camera application in response to the first operation, and successively performing drawing and rendering to obtain a first image frame, a second image frame, and a third image frame; compositing the first image frame to obtain a first composited image frame, compositing the second image frame to obtain a second composited image frame, and compositing the third image frame to obtain a third composited image frame, respectively based on a first frame rate; and a terminal device displays the first composited image frame in a first period, displays the second composited image frame in a second period, and displays the third composited image frame in a third period.

Abstract: A display substrate and a display device. The display substrate includes: a base substrate; and a gate driving circuit; the gate driving circuit includes a plurality of shift register circuits; each shift register circuit includes: an input circuit, a control circuit, an output circuit, and an output noise reduction circuit; the control circuit includes a first transistor, a second transistor, and a third transistor; the control circuit is connected to the first node, a second node and a third node; at least two selected from group consisting of an active layer of the first transistor, an active layer of the second transistor, and an active layer of the third transistor extend in a first direction and are arranged in the first direction.

Abstract: The present disclosure involves methods, apparatus, and systems for processing group-by operations in databases. In one example, a method includes receiving a query to perform a group-by operation based on first attributes and second attributes of a plurality of entities. The first attributes are private data owned by a first participant of a secure multi-party computation (MPC), and the second attributes are private data owned by a second participant of the secure MPC. The method further includes performing one-hot encoding on the first attributes to generate encoded first attributes, and calculating, based on secure MPC, a secret share of a dataset. The dataset includes the first set of numbers and the second attributes. The method further includes performing the group-by operation including arranging the plurality of entities into groups based on at least the encoded first attributes, and aggregating the second attributes of entities in each of the groups.

Abstract: Embodiments of the present disclosure provide an encoding and decoding method, apparatus and device.

Abstract: The invention relates to cosmetic treatment devices, and discloses a microneedling device, which includes a handle with a liquid medicine cavity, a main cavity, a stamp assembly with a detachable bottom shell, a microneedle assembly with micro-needles with detachable bases and a telescopic control device. The control device uses a rotating sleeve to achieve precise extension and retraction of the microneedle, which can be adapted to skin drug delivery in multiple scenarios and improve flexibility of use.

Abstract: The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.

Abstract: The present disclosure provides a pixel circuit, a driving method and a display apparatus, including: a light emitting device; a driving transistor, coupled to the light emitting device, and configured to generate a driving current for driving the light emitting device to emit light according to a data voltage; a bias circuit, coupled to a gate of the driving transistor, and configured to provide a signal of a bias voltage signal terminal to the gate of the driving transistor in response to a signal of a first control signal terminal; a data writing circuit, coupled to a first node; a coupling control circuit, coupled to the gate of the driving transistor and the first node; and a light emitting control circuit, coupled to the light emitting device and the driving transistor.

Abstract: A nanodelivery system based on globulin-1 S allele, a preparation method therefor and use thereof are provided. The preparation method includes the following steps of: dissolving globulin-1 S allele in a NaCl solution, and performing magnetical stirring until the globulin-1 S allele is completely dissolved to obtain a mixed solution; self-assembly: centrifuging the mixed solution, taking the supernatant to be dispersed into a dispersion solution for self-assembly to obtain a globulin-1 S allele dispersion; and adding hydrophobic plant polyphenol to the globulin-1 S allele dispersion, performing well mixing and centrifuging, and removing the supernatant to obtain the nanodelivery system based on the globulin-1 S allele.

Abstract: An air guide ring includes an annular air guide portion having an air duct that accommodates an impeller of an axial flow fan configured to rotate therein. The annular air guide portion has an inner side wall and an outer side wall, the air duct is enclosed by the inner side wall, and a plurality of noise reduction devices is arranged on the inner side wall of the annular air guide portion in a circumferential direction of the air guide ring The plurality of noise reduction devices is configured to reduce noise in the air duct.

Abstract: The present application relates to a guide rail, a guide rail assembly, a photovoltaic assembly and a method for arranging the photovoltaic assembly. The guide rail is used for guiding folding and unfolding movements of photovoltaic panels of a foldable photovoltaic assembly. The guide rail comprises a guide rail body, wherein the top of the guide rail body is provided with a first rail extending in a lengthwise direction of the guide rail body, and a side face of the guide rail body is provided with a second rail extending in the same direction as the first rail. The guide rail can ensure smoother and more stable folding and unfolding movements of the photovoltaic panels, making it unlikely for the moving part to deviate from or fall off the guide rail. It can also enhance the connection strength between the photovoltaic panel assembly and the guide rail, and improve the overall stability of the photovoltaic assembly.

Abstract: A vehicle pillar assembly is provided, including an exterior trim panel, a near field communication antenna module, and an NFC circuit board. The exterior trim panel has an inner surface facing an interior of a vehicle. The NFC antenna module is connected to the inner surface. The NFC circuit board is located on a side of the exterior trim panel facing the interior of the vehicle. The NFC antenna module and the NFC circuit board are structurally separated from each other, and the NFC antenna module is electrically connected to the NFC circuit board via an electrical connection member. A vehicle is further provided.

Abstract: This specification discloses methods, apparatus, devices, and systems for determining a feature effective value of business data. In one implementation, a method includes: obtaining a joint data share of a first participant based on joint data that includes feature values of a plurality of objects corresponding to a plurality of feature terms, obtaining a predictive value share and a model parameter share based on the joint data and a business prediction model, determining, through secure multi-party computation, a correlation data share corresponding to the plurality of participants, and determining, through a significance test method, an effective value of a feature term of the plurality of feature terms.

Abstract: A device and method and computer readable medium for resisting downgrade attacks. User equipment includes a memory having instructions stored thereon and a processor configured to execute the instructions stored on the memory to cause the user equipment to perform operations comprising applying an only-WPA3 rule to the user equipment, determining if the user equipment is in a connected state, when the network device is determined to be in a WIFI Protected Access 2 (WPA2) mode, receiving a notification from the network device to delete the only-WPA3 rule while the user equipment is in the connected state, and in response to receiving the notification, deleting the only-WPA3 rule.

Abstract: A device for mixing at least two granular materials has a first lifting tube used for loading first particles and a second lifting tube surrounding and coaxial to the first lifting tube and used for loading second particles. The upper part of said first lifting tube extends beyond the top of said second lifting tube, and at least part of the upper part of the first lifting tube and at least part of the upper part of the second lift tube are located inside a fast bed precipitator, allowing the first and second particles to be transported by means of the first and second lifting tubes to the interior of said fast bed precipitator and mixed.

Abstract: Provided is a flotation recovery method for a full particle size copper ore, including: performing grinding and dissociation treatment on a copper raw ore, and then performing primary roughing; performing classification on the copper rough tailings to obtain a +200 mesh slurry product, a 200-400 mesh slurry product, and a ?400 mesh slurry product, which are three particle size slurry products; performing coarse particle flotation on the +200 mesh slurry product, and recovering coarse particle copper ore using a combined collector of diisopropyl xanthogen disulfide and isopropyl xanthate, wherein a rough concentrate obtained is returned to a grinding operation; performing fine particle flotation on the ?400 mesh slurry product using a fine particle flotation collector, and combining an obtained rough concentrate with a copper rough concentrate from the primary roughing to perform cleaning; and directly using the 200-400 mesh slurry product as tailings.

Abstract: The present disclosure provides a picture decoding method and apparatus, a picture encoding method and apparatus, and a device. The picture decoding method comprises: when permission protection is enabled, determining one or more target region categories corresponding to a target permission level (301); and decoding a current coding unit according to the one or more target region categories (302). With the technical solutions of the present disclosure, the permission protection of various types of information (e.g., a license plate, a local region of a human body, a screen, text, etc.) in a picture can be performed, thereby improving data security.

Abstract: A method of detecting target nucleic acids, including small non-coding RNAs (sncRNAs), microRNAs (miRNAs), small interfering RNAs (siRNAs), PIWI-interacting RNA (piRNA), or antisense oligonucleotides (ASO) molecules, in a cell, comprising a post-fixation step using an aldehyde-containing fixative after the initial fixation step prior to in situ hybridization.

Abstract: A method for obtaining a precoding matrix includes obtaining a joint precoding matrix of M terminals based on statistical autocorrelation matrices respectively corresponding to N terminals in the M terminals, where M and N are positive integers, M?2, and 1?N?M. The method further includes outputting information that is useable to indicate the joint precoding matrix. The N terminals include a terminal nj, wherein a statistical autocorrelation matrix Rnj corresponding to the terminal nj is obtainable by filtering an autocorrelation matrix Rnj corresponding to the terminal nj in a frequency domain or a time domain, j is a positive integer, 1?j?N, and the autocorrelation matrix Rnj corresponding to the terminal nj is obtainable based on a channel estimation result Hnj corresponding to the terminal nj.

Abstract: Aspects and features provide system that accesses an activity log for a telecommunication system and detects, at the code level, sensitive information occurrences within the activity log. The system can anonymize the sensitive information occurrences, for example, using encryption. The system can generate different versions of the activity log including the sensitive information occurrences anonymized using encryption or removed. The system stores the activity logs in a log query database, or otherwise in some manner so that the system can receive log queries and display or print logs or portions of the logs needed to conduct troubleshooting, but with sensitive information occurrences obscured or removed. Different levels of access can be provided using role-based access control.

Abstract: Disclosed are a state information determination method and device, and a control method and device, which relate to the field of medical data processing technologies. The state information determination method includes: determining, based on a preset analysis time interval, a state evaluation parameter corresponding to a subject to be tested; and determining, based on the state evaluation parameter, first state information corresponding to the subject to be tested. The state evaluation parameter includes at least one of a first heart-rate characterization parameter, a first heart-rate variability characterization parameter, a second heart-rate characterization parameter, and a second heart-rate variability characterization parameter.