Abstract: The present invention discloses a method for preparing nanometer silicon powder by induction plasma pyrolysis of silane, which comprises the following steps: exciting working gas in an induction plasma reactor to form stable high-temperature plasma; mixing gaseous silane with dilution gas; injecting into a high-temperature plasma thermal field; decomposing the gaseous silane under a joint action of a hot airflow and a high-temperature circulating cooling airflow in the high-temperature plasma thermal field; cooling and condensing silicon atoms generated by pyrolysis into nanometer-scale spherical silicon powder; filtering an airflow wrapped with the silicon powder by filters; depositing the nanometer silicon powder on the surfaces of the filters; then blowing off the nanometer silicon powder by a periodic back blowing airflow; and collecting the nanometer silicon powder.

Abstract: A method for detecting a state of an energy storage device (e.g. lithium-ion battery) is provided, which includes acquiring at least one of a change signal of a temperature or a change signal of a pressure inside the energy storage device, and determining the state of the energy storage device based thereon. The method may further include triggering a warning when the state of the energy storage device meets a preset condition, such as when the energy storage device is determined to be in an irreversible state, an internal short circuit state, a safety valve opening state, or a thermal runaway state. A detection device implementing the detection method is also provided, which comprises a sensing module and an analyzing module. The sensing module is arranged at an interior position of the energy storage device, and can include an optical sensor and/or an electrical sensor.

Abstract: An automatic injection pen includes a shell, a needle cover slidably provided in the shell, an inner sleeve, a pen cap, a spring cylinder, a pen tube stopper and a syringe assembly. The syringe assembly includes a barrel, a needle and a piston assembly. The piston assembly includes a push head, a push rod, a spring support portion, a locking protrusion, a guiding portion and an actuation portion from bottom to top. An outer side of the spring support portion is provided with a spring for drug administration. The piston assembly, the spring, the spring cylinder, the needle cover, and the pen tube stopper constitute a locking-actuation mechanism. A push rod of the piston assembly is provided with an elastic protrusion structure. A linear buffer is provided between the push head and a piston in the barrel to delay the needle withdrawal.

Abstract: The present disclosure relates to processes for preparing 6-((3s,4s)-4-methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-3-(tetrahydropyran-4-yl-7h-imidazo[1,5-a]pyrazin-8-one.

Abstract: Some implementations related to using a large language model (LLM) in generating (and potentially refining) a plan for the execution of a long-horizon robotic task. Various implementations include processing, using the LLM, a free-form natural language instruction and textual feedback to generate LLM output. In many implementations, the free-form natural language instruction describes the robotic task. In additional or alternative implementations, the textual feedback can include task-specific feedback, passive scene description feedback, active scene description feedback, one or more additional or alternative types of environmental feedback, and/or combinations thereof. In some implementations, the system can select one or more robotic skills to perform based on the LLM output.

Abstract: An autonomous off-road vehicle (AOV) includes a vehicle body and a vehicle arm coupled to the vehicle body and including a set of prongs and a clamp extending outward from an end of the vehicle arm. A controller causes the vehicle arm to pick up a pile by: aligning the set of prongs with an end of the pile such that a first prong aligns with an opening on a first side of a web of the pile and a second prong aligns with a space on a second side of the web, inserting the set of prongs into the opening on the first side and the space on the second side, and compressing the clamp into an exterior surface of a flange of the pile such that the set of prongs are reciprocally compressed into an interior surface of the flange on either side of the web.

Abstract: Disclosed are a lens structure, a photographic device and a focusing method of lens. The lens structure includes a lens barrel, a lens assembly, a drive mechanism, a position detection device and a control device. The lens barrel is extended along a first direction. The lens assembly includes a lens group configured to be movable along the first direction. The drive mechanism is fixedly connected to the lens group and configured to drive the lens group to move along the first direction. The position detection device configured to detect a position of the lens group in real time. The control device is electrically connected to the position detection device and the drive mechanism, and is configured to control the drive mechanism to work according to the position detection device to adjust the position of the lens group.

Abstract: A separator includes a porous substrate and a porous coating disposed on at least one surface of the porous substrate, where the porous coating includes a polymer and a thickness covariance value of the separator is 0.01 to 0.02. The separator provided has good thickness consistency, which is conducive to improving the packaging performance of the electrochemical device, and the resulting electronic device has a longer service life and good usage performance.

Abstract: The present application provides a polypeptide and a cosmetic composition or pharmaceutical composition and use thereof. The polypeptide has the following general formula: R1—X1—X2—X3—X4—X5—X6—X7—X8—R2. The present application relates to a peptide, stereoisomers thereof, a mixture of the stereoisomers, or a cosmetically acceptable salt thereof, or a pharmaceutically acceptable salt thereof, or a cosmetic composition or a pharmaceutical composition thereof, and a use thereof in the preparation of the cosmetic composition or pharmaceutical composition for improving skin aging or photoaging, and treating or caring for a condition, a disorder or a disease caused by muscle contraction.

Abstract: A harmonica-shaped tube, a harmonica-shaped tube type heat exchanger and a vehicle are provided. The harmonica-shaped tube includes a plurality of flow channels arranged at intervals. Inner walls of at least some flow channels include protrusions protruding in a direction approaching centers of the flow channels and/or include recesses recessing in a direction away from the centers of the flow channels. The protrusions and recesses enable a liquid fluid (e.g., refrigerant) to nucleate rapidly, and can also burst large nucleuses which grow in a disorderly manner, thereby preventing the large nucleuses from forming boundary layers on inner walls of the plurality of flow channels, such that nucleuses can be separated from inner wall surfaces rapidly. Therefore, heat exchange performance of the harmonica-shaped tube is improved, and heat exchange requirements of a traction battery are satisfied.

Abstract: Methods and systems for assisting a vehicle to park using mixed-domain image data. Image-domain data is generated based on raw image data received from a plurality of cameras mounted on a vehicle. The raw image data is associated with a parking zone outside the vehicle, and the image-domain data is generated by a feature-detection machine learning model. A bird's-eye-view (BEV) image is generated based on the raw image data, wherein the BEV image is a projected image of the parking zone. BEV-domain data associated with the BEV image is generated. The BEV-domain data includes data associated with parking landmarks in the parking zone. A computing system localizes the vehicle within the parking zone based on the BEV-domain data and the image-domain data to generate localization data. The computing system performs mapping of the parking zone based on the BEV-domain data, the image-domain data, and the localization data.

Abstract: Each of a plurality of information processing apparatuses mounted on different mobile bodies performs machine learning using local data, and generates a local model. Each of the plurality of information processing apparatuses exchanges an evaluation value with another information processing apparatus mounted on each of the other mobile bodies by proximity communication. Then, among the information processing apparatuses whose evaluation value is equal to or greater than a predetermined value, the number of information processing apparatuses whose upper limit is the first threshold value transmits local model information indicating the generated local model to the server device.

Abstract: Disclosed is a method for predicting a lightning outage rate of a high-speed railway contact system based on a lightning location, including the steps: (1) evaluating location errors of cloud-to-ground lightning flashes along a high-speed railway line; (2) evaluating a detection efficiency of the cloud-to-ground lightning flashes along the high-speed railway line; (3) calculating a ground flash density along the high-speed railway line; (4) fitting a cumulative probability function of the lightning current amplitudes along the high-speed railway line; and (5) constructing a calculation model for the lightning outage rate of the high-speed railway contact system.

Abstract: A device including functional blocks and dummy cells. The functional blocks include a first functional block and a second functional block. Each dummy cell having a cell boundary defined by non-functioning active areas and non-functioning gates for filling space between the functional blocks and including a dummy cell configured to be situated between the first functional block and the second functional block such that the dummy cell directly abuts each of the first functional block and the second functional block.

Abstract: Disclosed in the present disclosure is a cooking device. The cooking device includes: a base; a cookware vessel rotatably arranged in the base; and at least one temperature measuring assembly arranged on the base, wherein the at least one temperature measuring assembly includes a first temperature measuring assembly, and the first temperature measuring assembly is arranged opposite an ingredient area of the cookware vessel. When the cooking device is in a cooking position, an area where an ingredient in the cookware vessel makes contact with the cookware vessel is the ingredient area. Therefore, a temperature difference between a measuring result and ingredient may be reduced, such that accuracy and stability of temperature measurement may be improved, and cooking quality may be improved.

Abstract: The disclosure relates to a traditional Chinese medicine composition, comprising active ingredients derived from Cornu caprae or Cornu saigae tataricae, Radix scutellariae, Bulbus fritillariae ussuriensis, Radix glycyrrhizae, Radix et rhizoma rhei, Gypsum fibrosum, Calculus bovis artifactus and Lapis Chloriti, the said active ingredients comprise in parts by weight: at least 1600 parts of amino acids; at least 120 parts of gallic acid; at least 130 parts of liquiritin; at least 20 parts of liquiritigenin; at least 400 parts of baicalin; at least 40 parts of oroxyloside; at least 120 parts of wogonoside; at least 280 parts of glycyrrhizic acid; at least 12 parts of chrysin-7-O-?-D-glucoronic acid; at least 50 parts of aloe-emodin-8-O-?-D-glucopyranoside; at least 30 parts of chrysophanol-1-O-?-D-glucopyranoside; at least 45 parts of chrysophanol-8-O-?-D-glucopyranoside; at least 260 parts of hyodeoxycholic acid; at least 150 parts of cholic acid.

Abstract: Embodiments of this application provide a measurement method, an apparatus, and a device. The embodiments may be applied to wireless local area network systems of the 802.11 series protocols such as 802.11be, Wi-Fi 7, EHT, Wi-Fi 8, 802.11bf, and sensing. The embodiments provide an approach of generating, by a first device, a sensing measurement setup request frame that includes first ranging indication information used to request a second device to perform ranging measurement in a sensing measurement process. The approach then sends, by the first device, the sensing measurement setup request frame to the second device.

Abstract: A separator includes a porous substrate and a porous coating disposed on at least one surface of the porous substrate, the porous coating includes a polymer, and the polymer includes polymer particles. In a 130 ?m×100 ?m region on a surface of the porous coating, the number of the polymer particles with a maximum diameter in a range of 5 ?m to 14 ?m is 100 to 180. The separator has large-particle size polymer that can increase the interface gap at the corners of the electrochemical device. Thus, for the electrochemical device, the electrolyte at the corner interfaces can achieve good infiltration during the charge-discharge cycling process, effectively alleviating the corner purple/black spot problem of the electrochemical device.

Abstract: The present disclosure provides an information processing method and apparatus, a terminal, and a storage medium. The information processing method, comprising: displaying content in an interface, wherein the content comprises a target entity word; in response to a first operation event performed by a user on the target entity word, obtaining target entity word information, wherein the target entity word information comprises first information and second information, the first information comprises a meaning of the target entity word, and the second information comprises a communication identifier of a communication group or a contact person; displaying the first information and the second information; in response to a second operation event on the communication identifier of the communication group or the contact person, perform at least one of the following steps: adding the user to the communication group, entering the communication group or entering a chat interface with the contact person.

Abstract: Disclosed are a charging control method and apparatus, and an electronic device. The charging control method may include: acquiring a system power consumption value of the terminal device; determining that the terminal device is charged by a charger and is in a high-load operating state, determining a required charging power of a battery according to a temperature-controlled charging current value of the battery, and determining a charging parameter according to the system power consumption value and the required charging power, wherein the temperature-controlled charging current value is a maximum current value of the battery under a condition of charging without heating; and determining a charging output power of the charger according to the charging parameter, such that the charger charges the terminal device according to the charging output power.