Abstract: Electrolytes are described with additives that provide good shelf life with improved cycling stability properties. The electrolytes can provide appropriate high voltage stability for high capacity positive electrode active materials. The core electrolyte generally can comprise from about 1.1M to about 2.5M lithium electrolyte salt and a solvent that consists essentially of fluoroethylene carbonate and/or ethylene carbonate, dimethyl carbonate and optionally no more than about 40 volume percent methyl ethyl carbonate, and wherein the lithium electrolyte salt is selected from the group consisting of LiPF6, LiBF4 and combinations thereof. Desirable stabilizing additives include, for example, dimethyl methylphosphonate, thiophene or thiophene derivatives, and/or LiF with an anion complexing agent.

Abstract: A method, an apparatus, a device, and a medium for calibrating a temperature drift are provided. The method includes: acquiring a first measurement value and a second measurement value, the first measurement value being a measurement value of a to-be-measured quantity at a current moment determined based on an inertial measurement unit, and the second measurement value being a measurement value of the to-be-measured quantity at the current moment determined based on a global positioning system; and determining a temperature drift calibration value of the inertial measurement unit at the current moment based on the first measurement value and the second measurement value.

Abstract: The present disclosure provides a method and an apparatus for updating road network data. The method for updating the road network data is specifically implemented as follows: acquiring trajectory data reported by a terminal; determining a plurality of out-of-road trajectories within a preset area coverage according to the trajectory data; determining a fitting trajectory according to the plurality of out-of-road trajectories; and updating existing first road network data according to the fitting trajectory to acquire second road network data.

Abstract: A shield cooling assembly includes an adapter configured to fix a shield in the chamber. The adapter includes a first surface and a second surface facing an outer side surface of the shield and a bottom surface of a bottom wall of the shield, respectively. A predetermined gap is provided between the first surface and the outer side surface of the shield. The second surface is in contact with the bottom surface of the bottom wall of the shield. The adapter is provided with a cooling channel for transmitting a cooling medium to cool the shield.

Abstract: The present invention relates to an ultrathin omnidirectional vibration-isolation metasurface structure and a design method thereof. The omnidirectional vibration-isolation metasurface structure includes a flat plate and a vibration isolation metasurface structure arranged on the flat plate. The vibration isolation metasurface structure is designed in any closed shape according to the shape and position of a vibration source. The vibration isolation metasurface structure is composed of periodically arranged supercells. Each supercell includes j unit cells with a gradient index. The unit cell is in a zigzag shape. The total reflection of elastic waves at any incident angle is realized by designing an elastic wave metasurface with a sub-wavelength thickness in the present invention, so that a vibration isolation purpose is achieved.

Abstract: A flexible display panel and a manufacturing method thereof are provided. The flexible display panel includes: a base substrate, a circuit structure layer, and a via hole; the circuit structure layer is located on an upper surface of the base substrate, a protrusion in an annular shape is provided at a side of the circuit structure layer away from the base substrate, the via hole penetrates the circuit structure layer, and the protrusion surrounds the via hole.

Abstract: A vector-valued regularized kernel function approximation (VVRKFA) based fault diagnosis method for an analog circuit comprises the following steps: (1) obtaining fault response voltage signals of an analog circuit; (2) performing wavelet packet transform on the collected signals, and calculating wavelet packet coefficient energy values as feature parameters; (3) optimizing regularization parameters and kernel parameters of VVRKFA by using a quantum particle swarm optimization algorithm and training a fault diagnosis model; and (4) identifying a circuit fault by using the trained diagnosis model. In the invention, the classification performance of the VVRKFA method is superior to other classification algorithms, and optimization of parameters by the quantum particle swarm optimization (QPSO) algorithm is also superior to the traditional method of obtaining parameters.

Abstract: Disclosed are a display module and a television, the display module including: a back plate including a back plate body and a side wall which are integrally formed, the back plate body and the side wall together defining a mounting space, a free end of the side wall being folded so as to form a connecting flange which extends towards the back plate body, a free end of the connecting flange being folded so as to form a joining flange which extends in parallel with the back plate body; a display screen, an edge of an inside surface of the display screen being fixed to an outer surface of the joining flange; an optical film set mounted in the mounting space.

Abstract: An embedded bionic winch for sampling and exploration of a polar sub-glacial lake, including an actuating chamber, a power chamber, a transition chamber, a sensor chamber, a cable arranging chamber and a slip ring chamber, where the actuating chamber, the power chamber, the transition chamber, the sensor chamber, the cable arranging chamber and the slip ring chamber are arranged in sequence, and are coaxially connected; the power chamber provides a power for the winch, and realizes sealing of motors located therein under water with a certain depth; the transition chamber realizes a power transmission between the power chamber and the cable arranging chamber; the sensor chamber is used for mounting of a tension sensor; the cable arranging chamber realizes retraction and release of a cable through the precise cooperation of a drum and a lead screw, and the slip ring chamber contains a slip ring.

Abstract: An ultraviolet air sterilizer for disinfecting bacterium and virus includes a shell, a sandwich activated carbon cloth filter element, a nanometer titanium dioxide screen filter, an ultraviolet light source, a heat sinking kit, and a fan. The shell includes a shell body and a cover plate. The shell body is provided with an air inlet and an opening. The cover plate is provided with an air outlet. The sandwich activated carbon cloth filter element, the nanometer titanium dioxide screen filter, the heat sinking kit and the fan are arranged sequentially along an air path from the air inlet to the air outlet. The ultraviolet light source is configured for emitting ultraviolet light to the nanometer titanium dioxide screen filter. The air sterilizer has a compact small-sized structure and effectively removes ambient gaseous as well as particulate pollutants and kills micro-organisms harmful to health and well being.

Abstract: Electrolytes are described with additives that provide good shelf life with improved cycling stability properties. The electrolytes can provide appropriate high voltage stability for high capacity positive electrode active materials. The core electrolyte generally can comprise from about 1.1M to about 2.5M lithium electrolyte salt and a solvent that consists essentially of fluoroethylene carbonate and/or ethylene carbonate, dimethyl carbonate and optionally no more than about 40 volume percent methyl ethyl carbonate, and wherein the lithium electrolyte salt is selected from the group consisting of LiPF6, LiBF4 and combinations thereof. Desirable stabilizing additives include, for example, dimethyl methylphosphonate, thiophene or thiophene derivatives, and/or LiF with an anion complexing agent.

Abstract: A LED ultraviolet germicidal lamp includes a bracket, a power box, a driving light source, a heat sink, an ultraviolet light source, a lampshade, a quartz glass, a catalyst gauze, and a lamp frame. The bracket is connected to the heat sink, and the power box and the driving light source are provided in the bracket in sequence from outside to inside. The driving light source is provided in the power box and is connected to the power box by bolts. The heat sink is connected to the power box and is provided at a lower end of the power box. Titanium dioxide is used as the catalyst and is catalyzed by the UVC light source. Hydroxyl radicals produced when nanoscale titanium dioxide catalyst gauze is exposed to the UVC light source destroy bacteria and viruses.

Abstract: A terminal includes a processor, a memory, and an input device. A display screen with an irregular shape and a front panel component disposed on a same layer as the display screen are disposed on a front panel of the terminal. The display screen includes a target region and a main display region, the main display region is a complete rectangular region on the display screen, the target region is an irregular region other than the main display region on the display screen, a gap formed by the irregular region is a reserved region, and the front panel component is disposed in the reserved region.

Abstract: A shared database platform can interface with a cluster computing platform over a network through a database connector and one or more cluster connectors. The data transferred over the network can include telemetry metadata that can be distributed to execution nodes of the cluster computing platform for generation and transmission of cluster data to the shared database platform.

Abstract: Provided are a backplane and a display device. The backplane comprises an active area, a first binding area and a second binding area. The first binding area is detachably disposed on a side of the second binding area away from the active area, and both the first binding area and the second binding area are capable of being bonded to an external electronic assembly. By arranging two binding areas, if there is a defective product in a module process, the first binding area is detached, and the second binding area is attached to the external electronic assembly, such that the display device is repaired in the module process, thereby reducing a scrapping cost of the product.

Abstract: The present disclosure discloses a hoisting cable with small diameter, high strength, and high flexibility, including an inner conductive core, an insulating layer, an outer conductive wire layer, a tensile layer, and an outer protective layer. The insulating layer is located at an outer side of the inner conductive core and provides insulation between the inner and outer conductors; the outer conductive wire layer is located at an outer side of the insulating layer; the tensile layer is located at an outer side of the outer conductive wire layer; and the outer protective layer is located at an outer side of the tensile layer. The high tensile strength can ensure the safety of hoisting operations, and the small diameter, small bend radius, and high flexibility can ensure the minimization design and the large rope capacity of a winch.

Abstract: A system for testing a Nakagami fading channel and a verification method thereof are provided. The testing system includes a signal generator, a Nakagami fading channel simulator, and a computer. The signal generator is used to output a sine wave signal whose frequency is f and transmit the sine wave signal to the Nakagami fading channel simulator and the computer. The Nakagami fading channel simulator is used to generate a Nakagami fading channel. The computer is used to perform data processing and analysis. In the verification method, time domain fading characteristics, first-order statistics characteristics, and second-order statistics characteristics of the Nakagami fading channel are respectively verified. Verifying the time domain fading characteristics is verifying a waveform fluctuation rate and a fluctuation range on a time domain under different Nakagami fading factors.

Abstract: A semiconductor device includes at least one wafer and at least one TSV (through silicon via) structure. The at least one wafer each includes a substrate, an isolation structure, and a conductive pad. The isolation structure is formed in the substrate and extends from a first side of the substrate toward a second side opposite to the first side of the substrate. The conductive pad is formed at a dielectric layer disposed on the first side of the substrate, wherein the conductive pad is electrically connected to an active area in the substrate. The at least one TSV structure penetrates the at least one wafer. The conductive pad contacts a sidewall of the at least one TSV structure, and electrically connects the at least one TSV structure and the active area in the substrate. The isolation structure separates from and surrounds the at least one TSV structure.

Abstract: This invention relates to an electrochemical cell comprising an anode structure comprising an element selected from the group consisting of group 1, group 2, group 8, group 12 and group 13 of the Periodic Table of Elements; a cathode structure comprising a catalyst; and a hydrogel located between the anode structure and the cathode structure. In a preferred embodiment, the cell comprises the anode of Zinc, the catalyst of CoOx/C, the hydrogel of free-standing alkaline polyacrylamide hydrogel, wherein said hydrogel was first synthesized via UV-initiated radical polymerization of acrylamides, followed by exchange of water with an alkaline electrolyte of potassium hydroxide (KOH). The invention further relates to a method of manufacturing such an electrochemical cell and the use of a hydrogel in a metal/air battery.

Abstract: A shared database platform can interface with a cluster computing platform over a network through a connector. The data transferred over the network can include metadata result packages that can be distributed to worker nodes of the cluster computing platform, which receive the metadata objects and access the result data for further processing on a staging platform, such as a scalable storage platform.