Abstract: The present invention discloses a multi-mode polarization-sensitive infrared band metamaterial absorber based on a chain-type structure, which comprises a metal resonator, a dielectric layer, and a metal reflection layer arranged sequentially from top to bottom. The metal resonator and the metal reflection layer form a resonant cavity for capturing incident light. The metal resonator comprises resonant units arranged periodically. Each resonant unit comprises sequentially connected resonant groups. Each resonant group comprises a central metal block, a first metal block, a second metal block, a third metal block, and a fourth metal block. The first metal block and the third metal block are disposed on one side of the central metal block and are in contact therewith. The second metal block and the fourth metal block are disposed on another side of the central metal block and are in contact therewith. The present invention achieves a multi-mode, broadband, polarized absorption response.

Abstract: Methods, devices, and systems for managing memory devices are provided. In one aspect, a memory system can include a memory device and a memory controller coupled to the memory device. The memory controller is configured to perform operations including receiving a first read command that indicates to read first data associated with a first logical address; in response to receiving a second read command that indicates to read the first data associated with the first logical address, storing the first data in a buffer of the memory controller, wherein the first data remains in the buffer after the second read command is completed; and in response to receiving a third read command that indicates to read the first data associated with the first logical address, sending the first data from the buffer.

Abstract: Provided are a polyolefin elastomer for photovoltaic packaging films and a composition thereof, a preparation method therefor and an application thereof. The polyolefin elastomer is an atactic polymer or a block polymer composed of ethylene and ?-olefin, and the polyolefin elastomer has a molecular mass Mw of 30000-200000, PDI of 1.5-3, MFR measured of 1-50 g/10 min at a temperature of 190° C. and a load of 2.16 kg, a density of 0.85-0.95 g/cm3, and a monomer insertion rate of 10-65 wt %, and in the temperature rising elution process of TGIC-trichlorobenzene, the polyolefin resin has a soluble substances content of 0.1%-20% at a temperature of less than or equal to 40° C. Photovoltaic encapsulation films used a composition prepared by the elastomer have better optical performance, electrical insulation performance and anti-PID performance.

Abstract: Provided in the present invention are an ethylene/?-olefin copolymer for a solar cell encapsulation film, and the use thereof. Using the ethylene/?-olefin copolymer provided in the present invention in a solar cell encapsulation film can give consideration to both a relatively high vulcanization reaction speed and good anti-PID performance of the solar cell encapsulation film. The ethylene/?-olefin copolymer for a solar cell encapsulation film satisfies the following conditions (a) to (c): (a) under an angular frequency condition of 0.1-500 rad/s, the characteristic relaxation time at 190° C. is 200.0-500.0 milliseconds; (b) the weight-average molecular weight is 20,000-200,000 g/mol, the density is 0.850 to 0.910 g/cc; and (c) the molecular weight distribution is 1.5-3.

Abstract: An LED lamp (100), compared with existing technologies, LED lamp (100) is lighter and better cooling; comprising a base (1), a light source (2), a heat dissipation (16), a power supply (4), and a hanging support component (9). The base (1) includes a bottom plate (15) and a side wall (14) surrounding the bottom plate (15), the side wall (14) and the bottom plate (15) form an accommodating space, and the light source part (2) is disposed in the accommodating space. The heat dissipation (16) and the power supply (4) are disposed on the base (1), and the projections of the light source (2) and the heat dissipation (16) from the light emitting direction of the LED lamp (100) are spaced apart from the power supply (4) and surround the power supply (4). The hanging support component (9) is fixed to the power supply (4).

Abstract: This application provides a longitudinal control method and apparatus, and a vehicle. The method may be applied to the field of intelligent driving. The method includes: an autonomous driving controller sends an instruction to a motor controller, where the instruction is used to determine a motor rotation speed; the motor controller determines a torque based on the instruction; and the motor controller controls a drive motor based on the torque. Embodiments of this application may be applied to an intelligent vehicle or a new energy vehicle, to help improve control precision of the vehicle, so as to help improve user experience.

Abstract: A telescopic mechanism includes a fixed part, a movable part and a telescopic assembly, where the telescopic assembly includes m folding telescopic frames and m-1 balance connecting rod groups; two ends of the folding telescopic frame are connected to the fixed part and the movable part respectively, the m folding telescopic frames are disposed at intervals in a first direction, and the first direction is perpendicular to a telescoping direction of the telescopic assembly; and each balance connecting rod group is disposed between two adjacent folding telescopic frames, each balance connecting rod group includes at least one balance connecting rod, and two ends of each balance connecting rod are connected to the two adjacent folding telescopic frames respectively.

Abstract: A disulfide cross-linked hyaluronic acid gelatin for postoperative abdominal (pelvic) adhesion prevention and a preparation method therefor, wherein the content of disulfide cross-linked hyaluronic acid of the disulfide cross-linked hyaluronic acid gelatin is among 3-8mg/mL. The disulfide cross-linked hyaluronic acid gelatin not only has favorable biocompatibility, but also has favorable prevention effects on tissue adhesions when being used for postoperative abdominal (pelvic) adhesion prevention.

Abstract: A pressure sensor structure, a method of fabricating a pressure sensor structure, a method of using the pressure sensor structure, and a device comprising the pressure sensor structure. The pressure sensor structure comprises a chamber having a closed bottom and an open top; an array of working electrode surfaces disposed within the chamber and extending from the bottom of the chamber towards the open top; and a counter electrode formed outside the chamber; wherein the chamber with the working electrode surfaces disposed therein is configured to entrap air when the chamber is immersed in a liquid; wherein the working electrode surfaces are electrically contactable from outside the chamber; and wherein, when the air is entrapped in the chamber, changes in a capacitance between the working electrode and the counter electrode are a measure for pressure changes in the liquid in which the chamber is immersed.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may set an uplink traffic medium or high flag. The UE may set a smart buffer status report (BSR) active flag. The UE may perform a slot BSR check by setting a slot BSR check flag and a BSR index, wherein the BSR index is associated with a slot level BSR activation check, and the BSR index is set according to an expected uplink packet size. The UE may transmit, to a network node, a BSR with the BSR index that indicates the expected uplink packet size. The UE may transmit, to the network node, an uplink packet associated with the expected uplink packet size based at least in part on the BSR. Numerous other aspects are described.

Abstract: A vaporizer includes: a vaporization assembly having an electrode contact; and an anti-counterfeiting assembly having an electrode connection portion. The electrode contact is connected to the electrode connection portion to connect the vaporization assembly and the anti-counterfeiting assembly in series, such that, when the vaporizer is connected to a battery rod, the anti-counterfeiting assembly communicates with the battery rod.

Abstract: A hybrid machine learning model architecture that enhances the retrieval capabilities of recurrent models without compromising efficiency. A linear recurrent architecture is supplemented by a parallel retrieval branch that integrates retrieved knowledge into the model with relatively minimal computational overhead. The parallel retrieval branch operates alongside the primary recurrent processing pipeline. The parallel retrieval branch chunks the input sequence and embeds the chunks into one or more pool. Chunk-by-chunk causal retrieval produces results that are then injected into the primary linear pipeline using within-chunk cross-attention.

Abstract: Provided are a MEMS-based material corrosion electrochemical measurement sensor, a preparation method therefor, and material corrosion electrochemical measurement equipment. The sensor includes a working electrode-auxiliary electrode module including a first silicon substrate, a working electrode and an auxiliary electrode, where the first silicon substrate is provided with a recess portion, and the working electrode, the auxiliary electrode and the recess portion form an accommodation space; and a reference electrode module including a second silicon substrate and a reference electrode, where the reference electrode is disposed on one side of the second silicon substrate and forms a protruding portion, and the second silicon substrate is provided with a through hole. The protruding portion is disposed in the accommodation space, and the first silicon substrate is fixedly connected to the second silicon substrate.

Abstract: Provided are a silicon-metal composite MEMS-based material atmospheric corrosion sensor, a preparation method therefor, and material atmospheric corrosion detection equipment. The sensor includes a cathode-anode module and a cavity structure module. The cathode-anode module includes a first substrate, a metal anode and a metal cathode which are arranged on a surface of the first substrate and are independent from each other; the cavity structure module includes a second substrate, the second substrate is provided with a recess portion and a through hole. The recess portion extends from a first side of the second substrate to an opposite second side, and the through hole extends from a surface of the second side to the bottom of the recess portion; and the surface of the first side abuts against the surface of the first substrate, and the metal cathode and the metal anode are arranged in the recess portion.

Abstract: The present application relates to an ethylene/?-olefin copolymer with high light transmittance, which meets conditions (a) to (d) below: (a) a density is 0.855-0.885 g/cm3; (b) a molecular weight distribution is 1.8-3.2; (c) a melt index is 0.3-40 g/10 min at 190° C. and a load of 2.16 kg; and (d) an ethylene ternary sequence EEE has a proportion of less than 70%, and EXE+XEX has a proportion of more than 10%, calculated through high-temperature 13C nuclear magnetic resonance spectra (13C-NMR); wherein E represents an ethylene unit, and X represents an ?-olefin unit. The ethylene/?-olefin copolymer of the present application has a low glass transition temperature and high light transmittance, which can be used as a photovoltaic packaging material.

Abstract: A micro-thrust and micro-impulse application device and method generates micro-thrust to a target by light pressure action from laser reflection. The device comprises a laser, a laser adjustment device, a beam splitter, a shutter, a reflector, and a laser power meter. Laser beam is generated by laser, adjusted by laser adjustment device, and divided into two paths by beam splitter. Laser in one path is measured at laser power meter; power measured determines magnitude for micro-thrust. In another path, it irradiates on the reflector on the target via shutter for generating micro-thrust. Light reflected by the reflector arrives at another laser power meter. Power of two laser paths are measured in real time by two laser power meters, acting micro-thrust is calculated by combining parameters including reflectivity and incident angle of laser irradiating the reflector, and light output power of the laser is adjusted in real time.

Abstract: A removal-facilitated anchor sealing device for box girder construction is provided and includes a base; wheels are mounted below the base; a forward direction of the wheels is designated as a front side; a main box body is arranged on a top surface of the base in a manner of sliding back and forth; an interior of the main box body is divided into anchor sealing chambers from bottom to top through separation plates; a front side of each anchor sealing chamber is opened; anchor sealing units are arranged in the anchor sealing chamber in sequence in a left-right direction; a spraying unit is arranged below the anchor sealing units; working ends of the anchor sealing units and working end of the spraying unit extend out of the anchor sealing chamber from the front side; a storage unit is arranged on a top surface of the main box body.

Abstract: A coupling device includes a water pipe connector having a mounting channel extending in an axial direction of the water pipe connector, a heat insulation pipe arranged within the mounting channel, at least partially spaced apart from an inner circumferential wall of the water pipe connector to form a balance chamber, and having a channel extending through the heat insulation pipe in the axial direction, and a heat insulation member arranged at the heat insulation pipe and at least partially located within the balance chamber. The heat insulation member includes a heat insulation sheet at least partially extending into the channel. The heat insulation pipe has a flow channel formed at the heat insulation pipe, and the balance chamber is in communication with the channel through the flow channel.

Abstract: A heat insulation assembly includes a heat insulation pipe having a channel extending axially through the heat insulation pipe, and a heat insulation member including a heat insulation sheet at least partially and radially arranged in the channel. A limit member is formed at the heat insulation member or the heat insulation pipe. The limit member is configured to restrict a radial movement of the heat insulation member relative to the heat insulation pipe.

Abstract: A water heater includes a water tank provided with a water tank connector in which a water inlet channel is formed, a water inlet connector partially received in the water inlet channel and coupled with the water tank connector, a water inlet pipe partially arranged in the water inlet channel, a first insulation member arranged between the water inlet pipe and the water inlet connector to insulate the water inlet pipe from the water inlet connector, and a second insulation member arranged between the water inlet pipe and the water tank connector to insulate the water inlet pipe from the water tank connector.