Abstract: A hot rolled, ultra-high strength, complex metallographic structured or multi-phase structured steel that improves formability during stamping or forming process, while possessing one or more of the following properties: excellent castability, rollability and coatability, excellent structural performance, excellent stretch formability, excellent stretch flangeability, excellent dent resistance, excellent durability, excellent impact performance, excellent intrusion and crash resistance without the purposeful addition of boron.

Abstract: The present disclosure provides an ecological governance method based on erosion prevention and control for a gentle slope farmland and relates to the technical field of ecological governance of farmlands. The ecological governance method based on erosion prevention and control for a gentle slope farmland includes the following steps: sampling a gentle slope farmland to investigate erosion thereof; and determining erosion of a gentle slope cultivated land and selecting a corresponding recovery strategy based on a detection result of a sample, a soil quality index (SQI), and a comprehensive vegetation quality index (VQI), where the recovery strategy includes a natural recovery method and a biological-farming comprehensive recovery method; enclosing the gentle slope cultivated land, fallowing the gentle slope cultivated land and reducing tillage; exterminating insect pests and poisonous weeds in the enclosed area; and turning over straws under soil by a cultivator. The growth of poisonous weeds is inhibited.

Abstract: A composition containing recombinant collagen with repairing and soothing effects, eye cream containing the composition and preparation method thereof are provided. The composition contains the following raw materials in parts by weight: 1 to 10 parts of recombinant collagen, 1 to 10 parts of sodium hyaluronate, 1 to 5 parts of bifida ferment lysate, 1 to 15 parts of glucosylglycerol, 1 to 10 parts of bisabolol, 1 to 15 parts eight-treasure essence stock solution, and 1 to 15 parts of pink red plum rechecking essence. The composition features with good skin permeability, contributing to its significant effects on repairing skin barriers and relieving skin inflammation, as well as its advantages of low irritation and high safety. Thus, the composition is suitable for people with damaged eye skin and has good market application prospects.

Abstract: The disclosure relates to a system and method for medical imaging. The method may include: move, by a motion controller, a phantom along an axis of a scanner to a plurality of phantom positions; acquire, by a scanner of the imaging device, a first set of PET data relating to the phantom at the plurality of phantom positions; and store the first set of PET data as an electrical file. The length of an axis of the phantom may be shorter than the length of an axis of the scanner, and at least one of the plurality of phantom positions may be inside a bore of the scanner.

Abstract: The present disclosure relates to coated steel strip providing the steel with cathodic protection before and after the steel is press hardened or hot formed at a high austenitization temperature up to 950° C. The coating of the coated steel strip comprises zinc, aluminum, and at least one element selected from manganese (Mn) and/or antimony (Sb).

Abstract: The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting higher data transmission rates than 4th generation (4G) communication systems, such as long-term evolution (LTE) systems. A method and a device are provided. The method includes, by a user equipment (UE) in a wireless communication system, receiving RIS information from an RIS controller (RC), identifying an incident beam incident on the UE, providing information about the identified incident beam to the RC and requesting information about candidate RIS modes, receiving the information about the candidate RIS modes, performing probing on the candidate RIS modes, deriving a final RIS mode among the candidate RIS modes using a result of the probing, and transmitting information about the final RIS mode to an RIS through the RC.

Abstract: Embodiments of the present application provides a charging method and a power conversion equipment, which can effectively ensure a normal charging of a traction battery. The charging method is used for charging the traction battery, the method includes: obtaining, by a power conversion equipment, a battery state parameter of the traction battery; sending, by the power conversion equipment, a charging information to a charging pile, the charging information includes a direct current charging parameter calculated from a pulse charging parameter; receiving, by the power conversion equipment, a direct current output by the charging pile, on the basis of the direct current charging parameter; converting, by the power conversion equipment, the direct current into a pulse current on the basis of the pulse charging parameter, the pulse current is used for charging the traction battery; where, the battery state parameter is used for determining the pulse charging parameter.

Abstract: Embodiments of the present application provide a charging method, a battery management system for a traction battery and a charging pile, which can effectively ensure normal charging of an electric vehicle. The charging method is used for charging a traction battery, and the method includes: determining, by the battery management system (BMS) of the traction battery, a pulse charging demand parameter according to a battery state parameter of the traction battery; and sending a pulse charging information to a charging pile by the BMS, the pulse charging information including the pulse charging demand parameter for indicating the charging pile to output a pulse current for charging the traction battery.

Abstract: The present disclosure relates to a coating of a press hardened steel strip, the coating providing cathodic protection. The coating of the post-press hardened steel strip comprises zinc, aluminum, and at least one element selected from manganese (Mn) and/or antimony (Sb).

Abstract: The invention relates to a feedback current control device and aerial equipment. The feedback current control device includes: a feedback current capture module, located on a current capture circuit and configured to capture a feedback current; a first switch module, configured to turn on or off the current capture circuit; and a control module, including: a first receiving unit, configured to receive a first voltage at one end of the driver and a second voltage at one end of a battery on a feed circuit and a temperature of the battery; and a first control unit, configured to control the first switch module to turn on the current capture circuit for capturing the feedback current when the difference between the first voltage and the second voltage is greater than a preset voltage and the temperature of the battery is less than or equal to a preset temperature.

Abstract: Compositions and methods for detecting nucleic acid-protein interactions, or more generally interactions between a nucleic acid and another molecule. A Cas protein (e.g., a catalytically dead Cas13) is fused to a proximity tagging enzyme (e.g., a Pup ligase) and thus brings the proximity tagging enzyme to the proximity of a protein that binds to a nucleic acid, when the Cas protein recognizes the nucleic acid, e.g., through a guide RNA. The proximity tagging enzyme then tags the protein enabling it to be identified as a protein that interacts with the nucleic acid.

Abstract: The present application provides a charging control method and apparatus, a battery management system and a readable storage medium. The charging control method includes: obtaining a battery temperature and a battery state of charge; determining a pulse charging frequency according to the battery temperature, the battery state of charge and a pre-calibrated corresponding relationship; obtaining a preset waveform characteristic of a pulse charging waveform; where the waveform characteristic includes a ratio range of an area of a positive pulse waveform to an area of a negative pulse waveform in each pulse cycle of the pulse charging waveform; and generating a charging request according to the pulse charging frequency and the waveform characteristic and transmitting the charging request to a charging device. The method is used for improving charging stability and safety of a battery.

Abstract: The present application provide a power supply control method for a power conversion apparatus, where the power conversion apparatus is configured to conduct a power conversion between a charging apparatus and a power battery, the method includes: conducting a power-on self-test with the charging apparatus of auxiliary power by the power conversion apparatus; determining a power supply priority order of the charging power and the power battery on the basis of a state parameter of the power battery under the condition that the self-test of the power conversion apparatus succeeds; determining the one of the charging power of the charging apparatus and the power battery with a higher power supply priority as a current working power of the power conversion apparatus by the power conversion apparatus. The method of the present application can provide a stable working power for the power conversion apparatus without additional power supply device.

Abstract: Embodiments of the present application provides a method for pre-charging a power conversion device and a power conversion device. The power conversion device is configured to perform power conversion between a charging pile and a traction battery, and the method includes: receiving, by the power conversion device, a first message sent by a battery management system of the traction battery, and the first message is configured to indicate that the battery management system is ready for charging; performing, by the power conversion device, a pre-charging, and the pre-charging includes: charging a capacitor in the power conversion device; and forwarding, by the power conversion device, the first message to the charging pile after the pre-charging is completed. The technical solution of the embodiments of the present application can ensure a normal charging process.

Abstract: An embodiment of the present application discloses a charging method, including: acquiring a state parameter of a power battery by a power conversion apparatus; setting a charging mode to a pulse charging mode by the power conversion apparatus when the battery temperature is lower than a first preset threshold; and converting charging power of a charging apparatus and then charging the power battery by the power conversion apparatus in the pulse charging mode. Through the technical solution, the power conversion apparatus acquires a battery temperature of the power battery, when the battery temperature is lower than the first preset threshold, the power conversion apparatus converts the charging power output by the charging apparatus, and outputs a pulse current to charge the tract battery, to prevent the charging apparatus directly charging the power battery in a low temperature, thereby ensuring the performance of the power battery.

Abstract: Embodiments of the present application provide a pre-charging method of a power conversion device and a power conversion device. The power conversion device is used for a power conversion between a charging pile and a power battery and the method includes: receiving, by the power conversion device, a first message transmitted by a battery management system of the power battery, where the first message is used to indicate a charging readiness of the battery management system; and forwarding, by the power conversion device, the first message to the charging pile and performing a pre-charging, where the pre-charging includes charging a capacitor in the power conversion device. The technical solution in embodiments of the present application is capable of ensuring normal performing of a charging process.

Abstract: The present application provides an insulation detection circuit, a method and a battery management system. The circuit includes: a first voltage dividing module, where, one end of the first voltage dividing module is connected to a positive electrode of a power battery to be detected, and the other end of the first voltage dividing module is connected to a first isolation module and a second voltage dividing module respectively; the second voltage dividing module, connected to a negative electrode of the power battery to be detected; the first isolation module, connected to one end of a sampling module; the sampling module, where, the other end of the sampling module is connected to one end of a signal generating module; the signal generating module, where, the other end of the signal generating module is connected to power ground; and the processing module.

Abstract: Provided is a method and device for obtaining internal side and external side insulation resistances of a relay. The method includes: controlling an insulation resistance obtaining circuit to output an AC signal; when both a main relay and a pre-charge relay are switched off, obtaining a first phase shift of the AC signal between two sampling points according to first collected electrical signals; obtaining an internal side insulation resistance of the main relay according to the first collected electrical signals and the first phase shift; controlling the pre-charge relay to be switched on; when the main relay is switched off and the pre-charge relay is switched on, obtaining a second phase shift of the AC signal between the two sampling points according to second collected electrical signals; and obtaining an external side insulation resistance of the main relay according to the second collected electrical signals and the second phase shift.

Abstract: A galvanized dual phase steel sheet with a martensite phase and a ferrite phase and a composition containing within the following ranges by weight: carbon from about 0.01% to about 0.18%; manganese from about 0.2% to about 3%; silicon?about 1.2%; aluminum from about 0.01% to about 0.1%; one or both of chromium and nickel from about 0.1% to about 3.5%; calcium from about 0.0003% to about 0.01%; phosphorus?about 0.1%; sulfur?about 0.03%; nitrogen?about 0.02%; molybdenum?about 1%; one or more of niobium and titanium?about 1%; and boron?about 0.006% by weight; and with the balance of the composition being iron and incidental ingredients. The steel sheet may be both galvanized and galvannealed.

Abstract: The present application discloses an insulation detection circuit, a method and a battery management system. The circuit includes: a first voltage dividing module, where, one end of the first voltage dividing module is connected to a positive electrode of a power battery to be detected, and the other end of the first voltage dividing module is connected to a first isolation module and a second voltage dividing module respectively; the second voltage dividing module, connected to a negative electrode of the power battery to be detected; the first isolation module, connected to one end of a sampling module; the sampling module, where, the other end of the sampling module is connected to one end of a signal generating module; the signal generating module, where, the other end of the signal generating module is connected to power ground; and the processing module.