Abstract: A network processor includes a processor. The processor includes at least one processor core and a cache. The at least one processor core loads and executes program codes to deal with packet processing. The program codes include a network driver, a network stack of an operating system (OS) kernel, and a packet pre-learning module. The packet pre-learning module generates a fake packet, and sends the fake packet to the network stack of the OS kernel through the network driver. The cache caches at least a portion of instructions and data associated with processing of the fake packet that is performed by the network stack of the OS kernel.

Abstract: Provided are a display module and augmented reality glasses, which relate to the technical field of augmented reality. The display module includes: a bracket; and a first diffractive waveguide and a second diffractive waveguide that are arranged on the bracket, the first diffractive waveguide and the second diffractive waveguide are configured to correspond to eyes of a user in one-to-one correspondence; the first diffractive waveguide includes a first region that has a projection on the bracket, the first region has a first notch at a side thereof close to the second diffractive waveguide, and the first notch faces towards the second diffractive waveguide. This can reduce the volume of the augmented reality glasses and is beneficial to the miniaturized design of the augmented reality glasses.

Abstract: An electrode patch 100 for monitoring electrical activity generated by a subject is disclosed. The electrode patch comprises a plurality of spatially arranged electrodes 102 for contacting an outer surface of a skin of the subject to sense and measure electrical potentials at multiple electrodes 102. The electrode patch 100 further comprises at least one connector portion 104 for connecting to a connector of a connector device. The connector portion 104 is spaced apart from the electrodes 102 and is electrically connected with the electrodes 102. A connector device for connecting to such electrode patch is also disclosed.

Abstract: A pixel structure and a display panel are disclosed. The pixel structure includes a plurality of data lines, a plurality of scan lines, and a plurality of pixel rows. The scan line of a next stage of the pixel row where a first pixel unit is located is connected to the sub-pixel with the highest brightness under the same gray scale in the same first pixel unit. This can reduce a coupling capacitance received by the sub-pixel with the highest brightness in the same gray level, and further reduce a feeder voltage received by the sub-pixel with the highest brightness in the same gray level.

Abstract: An electrode patch 100 for monitoring electrical activity generated by a subject is disclosed. The electrode patch comprises a plurality of spatially arranged electrodes 102 for contacting an outer surface of a skin of the subject to sense and measure electrical potentials at multiple electrodes 102. The electrode patch 100 further comprises at least one connector portion 104 for connecting to a connector of a connector device. The connector portion 104 is spaced apart from the electrodes 102 and is electrically connected with the electrodes 102. A connector device for connecting to such electrode patch is also disclosed.

Abstract: A prism apparatus and a projection device are provided. The prism apparatus includes a prism body, a first combining assembly, and a second combining assembly. The prism body includes prisms connected in sequence in a light guiding direction, and a gap is formed at a position where at least two adjacent ones of the prisms are connected to each other. The first combining assembly is arranged parallel to the light guiding direction, located at seams of the prisms, and connected to the prisms. The second combining assembly is arranged parallel to the light guiding direction, and covers and is connected to the first combining assembly.

Abstract: A method for forwarding a vector packet processing (VPP) is applicable to a forwarding path. The forwarding path includes an interface entrance, a data plane development kit (DPDK) input end, an entrance labeling-and-categorizing plug-in unit, one or more intermediate nodes, a Tx output end, an exit labeling-and-categorizing plug-in unit, and an interface exit. The vector packet processing forwarding method includes: executing a learning-and-recording mode for a preceding packet to obtain a learning result, and in the learning-and-recording mode, having the preceding packet entirely pass through the forwarding path; and executing an optimized acceleration mode for a subsequent packet, and in the optimized acceleration mode, based on the learning result, having the subsequent packet detour at least one intermediate node of the one or more intermediate nodes in the forwarding path.

Abstract: Disclosed are an optical engine system and a display apparatus. The optical engine system includes: a first modulation device configured to modulate first linearly polarized light in a first optical path to obtain first modulated light; a second modulation device configured to modulate second linearly polarized light in a second optical path to obtain second modulated light, the first linearly polarized light and the second linearly polarized light having a same polarization state; and a light combining prism configured to guide the first modulated light and the second modulated light to transmit along a same optical path and obtain projection light. Optical paths of the first modulated light, the second modulated light, and the projection light are located in a same plane.

Abstract: A display apparatus and a display system are provided. The display apparatus includes: a narrow-spectrum light source configured to emit narrow-spectrum light in elliptical distribution; a reflection device including a reflection surface for reflecting the narrow-spectrum light to obtain to-be-modulated light; and a light modulation device configured to modulate the to-be-modulated light to obtain image light of an to-be-modulated image. The light modulation device includes a modulation surface configured to receive the to-be-modulated light, the modulating surface is at a preset angle to an optical axis of the to-be-modulated light such that the to-be-modulated light forms a circle light spot on the modulating surface.

Abstract: An electrode patch 100 for monitoring electrical activity generated by a subject is disclosed. The electrode patch comprises a plurality of spatially arranged electrodes 102 for contacting an outer surface of a skin of the subject to sense and measure electrical potentials at multiple electrodes 102. The electrode patch 100 further comprises at least one connector portion 104 for connecting to a connector of a connector device. The connector portion 104 is spaced apart from the electrodes 102 and is electrically connected with the electrodes 102. A connector device for connecting to such electrode patch is also disclosed.

Abstract: The present disclosure provides an extended reality device and a control method thereof. The extended reality device includes: a front part and a rear part; the front part comprising: a display module, configured to display extended reality image; the rear part comprising: a system controller connected to the display module and configured to control operation of the display module; a battery connected to the system controller and configured to supply power to each electrical device. Through the above solution, transferring the system controller and the battery to the rear part setting, so that the weight of the front part of the extended reality device is significantly reduced, the thickness of the front part is significantly reduced, the weight of the rear part and the front part can be balanced, there is no bias when user wears the extended reality device, which improves the user's wearing comfort.

Abstract: Disclosed are methods for conversion of ?-hydroxy carbonyl species and preparation of amino alcohol precursor using bifunctional catalysts derived from layer double hydroxides. By the bifunctional catalyst, the abundant basic sites on HTO allow retro-aldol condensation to outpace direct hydrogenation, thus achieving an exceptional selectivity towards a desired product produced through retro-aldol condensation and then hydrogenation. Accordingly, this method exhibits particular utility in the renewable production of N-acetylethanolamine from biomass-derived N-acetyl glucosamine (GlcNAc) without using homogeneous base as a co-catalyst.

Abstract: A method for forwarding a vector packet processing (VPP) is applicable to a forwarding path. The forwarding path includes an Ethernet entrance, a data plane development kit (DPDK) input end, an entrance labeling-and-categorizing plug-in unit, one or more intermediate nodes, a Tx output end, an exit labeling-and-categorizing plug-in unit, and an Ethernet exit. The vector packet processing forwarding method includes: executing a learning-and-recording mode for a preceding packet to obtain a learning result, and in the learning-and-recording mode, having the preceding packet entirely pass through the forwarding path; and executing an optimized acceleration mode for a subsequent packet, and in the optimized acceleration mode, based on the learning result, having the subsequent packet detour some intermediate nodes of the one or more intermediate nodes in the forwarding path.

Abstract: A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO2), the shell includes zirconium dioxide (ZrO2), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

Abstract: An optical engine unit and a projection system are provided. The optical engine unit includes a light splitting assembly, first and second spatial light modulators, and a light combining assembly. The light splitting assembly splits an illumination beam incident on the light splitting assembly into first and second light beams. The first and second spatial light modulators respectively modulate the first and second light beams to form first and second modulated light beams. The light combining apparatus includes a light combining surface. The light combining surface is a coated surface and configured to combine the first modulated light beam and the second modulated light beam into an emergent light beam and emit the emergent light beam. An incident angle of the first modulated light beam on the light combining surface and that of the second modulated light beam being smaller than a total reflection angle of the light combining surface.

Abstract: A negative electrode includes a negative electrode active material layer, the negative electrode active material layer includes negative electrode active material particles, and the negative electrode active material particle includes a porous portion and a nonporous portion with heteroatoms. The heteroatom includes at least one of element boron, nitrogen, fluorine, phosphorus, or sulfur and is located on an interface, and the interface is a region, in the nonporous portion, formed from a bordering position between the nonporous portion and the porous portion to 0.5 ?m from the bordering position. The porous portion improves the lithium ion intercalation and deintercalation efficiency. In addition, boron, nitrogen, and other elements doped increase the gram capacity of the negative electrode active material, helping increase the energy density of the electrochemical apparatus.

Abstract: A method for selectively chemically reducing CO2 to form CO includes providing a catalyst, and contacting H2 and CO2 with the catalyst to chemically reduce CO2 to form CO. The catalyst includes a metal oxide having a chemical formula of FexCoyMn(1-x-y)Oz, in which 0.7?x?0.95, 0.01?y?0.25, and z is an oxidation coordination number.

Abstract: The embodiment of the present disclosure provides a display panel and a display apparatus. The display panel includes a long side, a short side, a display pixel, a scan driving circuit, a drive circuit board, and chips on film. one end of each chip on film is coupled to the short side, and another end is coupled to the drive circuit board. The drive circuit board and the scan driving circuit of the embodiment of the present disclosure are respectively located on the short side and the long side of the display panel to improve the problem that the font is easily deformed during display.

Abstract: Disclosed are a color correction method for a lighting system and a lighting system, the lighting system includes a first laser set (10), a second laser set (20), a driving assembly (30), a wavelength conversion device (40), and a light-combining assembly (50), where the first laser set (10) is used for emitting first primary light; the second laser set (20) is used for emitting second primary light; the driving assembly (30) is used for driving the first laser set (10) to emit the first primary light in a first timing sequence and a second timing sequence, and driving the second laser set (20) to emit the second primary light in the first timing sequence and the second timing sequence; the wavelength conversion device (40) is used for converting the first primary light into converted light in the second timing sequence; and the light-combining assembly (50) is used for combining the first primary light and the second primary light in the first timing sequence, and combining the second primary light and the c