Abstract: An optical combiner and a display device are provided. The optical combiner includes a light-transmitting structure and a waveguide structure in the light-transmitting structure. The waveguide structure includes a first dielectric layer, a waveguide plate, and a second dielectric layer arranged in sequence. The waveguide plate includes a coupling-out region, wherein the refractive index of the first dielectric layer and the refractive index of the second dielectric layer are both less than the refractive index of the waveguide plate. Since the refractive index of the first dielectric layer and the refractive index of the second dielectric layer are both less than the refractive index of the waveguide plate, light beams propagating in the waveguide plate undergo totally reflection during propagation and cannot be refracted into the first dielectric layer and the second dielectric layer.

Abstract: A stacked grating and an AR display device are provided. The stacked grating includes at least two grating layers stacked from bottom to top sequentially. Grating grooves are arranged in each of the grating layers in a distribution pattern. The distribution patterns of the grating grooves in a horizontal direction are distinct from each other for each two adjacent ones of the grating layers, and the distribution patterns of the grating grooves of two grating layers arranged with one grating layer between them in the horizontal direction are the same. As such, the stacked grating is equivalent to a bulk grating, and the transmission/reflection selectivity of grating diffraction is improved, thus reducing privacy disclosure and increasing the energy utilization rate.

Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a sixth lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a seventh lens with a negative refractive power; wherein an on-axis distance TTL from an object-side surface of the first lens to an imaging surface and a half of a diagonal length ImgH of an effective pixel region on the imaging surface satisfy: TTL/ImgH<1.25.

Abstract: Disclosed in the present application are an information configuration method and apparatus, and a network device, a first device and a storage medium. The method comprises: a network device sending first information to a first device, wherein the first information at least indicates an association relationship between a first network and a network slice, and the first network is used for connecting a terminal and the first device.

Abstract: A light-emitting substrate and a display device are disclosed, the light-emitting substrate includes: a base substrate including a light-emitting region; a plurality of first pads on a side of the base substrate and in the light-emitting region, where a material of the first pads includes Cu; and an oxidation protection layer on a side of the first pads away from the base substrate, where the plurality of first pads is used for bonding connection with a plurality of light-emitting units through the oxidation protection layer, a material of the oxidation protection layer includes CuNiX, and X includes one or any combination of Al, Sn, Pb, Au, Ag, In, Zn, Bi, Mg, Ga, V, W, Y, Zr, Mo, Nb, Pt, Co or Sb.

Abstract: Disclosed is a memory, a method for manufacturing the memory. The memory includes: one or more layers of memory cell arrays stacked in a direction perpendicular to a substrate; a plurality of wordlines that penetrate through one or more layers of the memory cell arrays; and a plurality of bitlines, wherein each memory cell includes a semiconductor layer that surrounds a sidewall of the wordline and extends along the sidewall and each bitline is connected to the semiconductor layers of a column of memory cells in one layer of the memory cell array, wherein the bitline is composed of different branch lines, and the semiconductor layer of each memory cell is connected to two adjacent first branch lines but is not connected to at least a part of the region of the second branch line between the two adjacent first branch lines.

Abstract: One example method for a host in a virtual storage area network (vSAN) cluster to support vSAN Internet small computer system interface (iSCSI) target services in a distributed storage system of a virtualization system is disclosed. The method includes obtaining ownership information of a target and determining, from the ownership information, whether the host is an owner of the target. In response to determining that the host is the owner of the target, the method further includes determining whether the host commits to a policy provided by the vSAN to support the vSAN iSCSI target services. In response to determining that the host fails to commit to the policy, the method includes reporting a warning message.

Abstract: Aspects of this disclosure relate to power delivery to chips in an array. An array of power conversion paths can be positioned vertically relative to the chips of the array. A power conversion path can convert a high voltage, low current signal to a low voltage, high current. The power conversion path can include a first power conversion stage and a second power conversion stage. The power conversion path can be implemented in a power supply module, for example.

Abstract: A method, an apparatus and a computer device for detecting an open circuit fault are provided. The sample data of the electrical signal at the primary side of the transformer in the CLLLC resonant bidirectional DC/DC converter is performed with spectrum analysis to obtain a first frequency, and whether an open circuit fault occurs in the CLLLC resonant bidirectional DC/DC converter can be determined according to the first frequency and an actual switching frequency.

Abstract: The systems, methods, and devices disclosed herein relate to a multi-layer structures arranged in a vertically orientation. In some embodiments, a computing assembly can include a first cooling system, a first electronics layer, a second cooling system, and a second electronics layer. The first cooling system can be disposed on top of and can be in thermal communication with the first electronics layer. The first electronics layer array includes an array of integrated circuit dies that are in electronic communication with each other in a plane that is orthogonal to power delivery. The first electronics layer can be disposed on top of and can be in thermal communication with the second cooling system, and the second cooling system can be disposed on top of and can be in thermal communication with the second electronics layer. The second electronics layer includes an array of power delivery modules. In some embodiments, at least one layer can use system on wafer packaging.

Abstract: Systems and methods of for vertical power and clock delivery are disclosed. In some embodiments, a computing system can include an array of chips comprising a chip and a power delivery module configured to provide a power supply voltage and one or more clock signals to the chip, the power delivery module being positioned vertically relative to the chip, and the chip configured to vertically receive the one or more clock signals from the power delivery module.

Abstract: A camera lens group including, sequentially from an object side to an image side along an optical axis, a first lens having negative refractive power, a concave object-side surface and a concave image-side surface; a second lens having refractive power, a convex object-side surface and a concave image-side surface; a third lens having positive refractive power, a convex object-side surface and a convex image-side surface; a fourth lens having refractive power; a fifth lens having positive refractive power and a convex image-side surface; and a sixth lens having negative refractive power, a convex object-side surface and a concave image-side surface. Half of a field-of-view Semi-FOV of the camera lens group and half of a diagonal length ImgH of an effective pixel area on an imaging plane satisfy: 10.00 mm<tan2(Semi-FOV)*ImgH<23.50 mm. A maximum distortion of the camera lens group is less than 3.50%.

Abstract: A tire includes a pair of sidewalls extending from a respective bead area to a tread. The tread is formed with a plurality of tread elements and a radially outer surface, and a chamber is formed in one of the tread elements. A sensor unit is mounted to the tire and includes a pair of electrical contacts. The polymer plug includes a wire disposed in the chamber. The wire includes proximal ends and a distal end near a radially outer surface of the tread. A liquid polymer is injected into the chamber and cured. An electrical circuit is formed by each proximal end of the wire electrically contacts a respective one of the sensor unit electrical contacts. When the tread element wears down to the distal end of the wire, the wire and the circuit break. A notice is transmitted by the sensor unit when the circuit breaks.

Abstract: A data classification method and apparatus, a device and a storage medium. A structural feature of the respective node in graph data may be determined according to a neighbor node of the respective node in the graph data through a deviation between the decoded feature obtained by decoding the embedded coding feature of the respective node in the graph data and the initial feature of the respective node, and then the embedded coding feature corresponding to the respective node is adjusted according to the decoded feature of the respective node and the structural feature of the respective node in the graph data to obtain the adjusted feature corresponding to the respective node, so that accuracy of an obtained feature of the respective node is improved, and thus accuracy of data classification may be improved.

Abstract: In accordance with one or more embodiments of the present disclosure, a low-density treatment fluid includes a base water-control system and at least one light-weight filler material. The base water-control system may include an inorganic material system comprising an aqueous colloidal silica and a water-soluble chemical activator for gelling the colloidal silica, or the base water-control system may include an organic material system comprising of polymeric material. The low-density treatment fluid may have a density of from 0.1 g/cm3 to 0.75 g/cm3. Also described are methods of recovering a target fluid from a subterranean cavity using such a low-density treatment fluid.

Abstract: A video processing method, apparatus, and device and a storage medium are provided. The method includes: monitoring an operation indication inputted by a user through a personal homepage on a social platform, the personal homepage being used for displaying personal information of the user; obtaining, when the operation indication is a shooting indication for shooting a personal status video, the personal status video; uploading the personal status video to a back-end server of the social platform; and displaying indication information of the personal status video in a personal-information display region of the personal homepage.

Abstract: A genetically engineered bacterium and a preparation method and use thereof are disclosed. The genetically engineered bacteria contain a gene encoding ?-1,2-fucosyltransferase, and a gene encoding a protein tag is connected to the gene encoding ?-1,2-fucosyltransferase; the protein tag is MBP, SUMO1, SUMO2 or TrxA, the amino acid sequence of the MBP is shown in SEQ ID NO: 2, the amino acid sequence of the SUMO1 is shown in SEQ ID NO: 3, the amino acid sequence of the SUMO2 is shown in SEQ ID NO: 4, the amino acid sequence of the TrxA is shown in SEQ ID NO: 5. Fermentation with the genetically engineered bacteria can greatly increase the yield of 2?-fucosyllactose compared to the genetically engineered bacteria that only expresses ?-1,2-fucosyltransferase exogenously, and the yield can be more than doubled in a preferred case.

Abstract: A device for measuring short-wavelength characteristic X-ray diffraction based on array detection, and a measurement and analysis method based on the device are provided. An array detector of the device only detects and receives a diffraction ray which is diffracted by a material of a to-be-measured part inside a sample and passes through a through hole of a receiving collimator, and rays passing through a positioning hole. The to-be-measured part inside the sample is placed at the center of the diffractometer circle of the device. The method is performed with the device. With the present disclosure, a diffraction pattern of a part inside the sample with a centimeter thickness, i.e. Debye rings, can be rapidly and non-destructively measured, thereby rapidly and non-destructively measuring and analyzing crystal structures, and its crystal structural change of the part inside the sample, such as phase, texture, and stress.

Abstract: The present disclosure provides a data storage system, including data cache module, data processing module, and a persistent memory. The data cache module includes an on-chip mapping data cache and an on-chip counter cache, where the mapping data cache is configured to cache mapping data, and when the free space of the mapping data cache is less than a preset threshold, the least recently used mapping data cache line will be evicted from the cache and written back to the persistent memory. The data processing module encrypts/decrypts persistent memory data by using their counters, and accesses the persistent memory blocks indicated by their corresponding mapping data. The persistent memory comprises the first and second storage regions for the latest checkpoint data and modified working data in the current checkpoint interval respectively.

Abstract: The photovoltaic cell sheet includes: a cell sheet body having a first end and a second end opposite to each other in a width direction of the cell sheet body, wherein the first end of the cell sheet body is provided with a plurality of sawtooth spacing along a length direction of the cell sheet body; a first main gate arranged at one side of front and back sides of the plurality of sawtooth and serving as a first electrode; and a second main gate arranged at another side of the front and back sides of the cell sheet body and serving as a second electrode, wherein the second main gate is adjacent to the second end of the cell sheet body.