15results about How to "Achieve decomposition" patented technology

The invention discloses a clamping device with a visual system for a railway bogie pillow spring, which is characterized in that a bogie of a railway vehicle comprises the pillow spring, the pillow spring comprises an outer spring and an inner spring, the outer spring comprises an outer spring steel wire, a left upper gap and a right lower gap, the outer spring steel wire comprises a left upper steel wire and a right lower steel wire, and a production line comprises the visual system and the clamping device. The clamping device comprises a machine base, a left machine frame, a left upper clamping jaw, a left telescopic device, a right machine frame, a right lower clamping jaw and a right telescopic device, the machine base comprises a translation drive, the left machine frame and the right machine frame can move relatively through the translation drive, and the inner spring is clamped or loosened; the left upper clamping jaw can slide on the left machine frame through the left telescopic device, the right lower clamping jaw can slide on the right machine frame through the right telescopic device, and the clamping device can grab an outer spring through the left upper clamping jaw and the right lower clamping jaw. And the clamping device can be aligned to the set position of the pillow spring through the visual system, so that the pillow spring is clamped by the left upper clamping jaw and the right lower clamping jaw. The automatic assembling and disassembling device has the main advantage that the pillow spring can be automatically disassembled or assembled.

The invention relates to the technical field of software engineering, in particular to a code detection method and device, electronic equipment and a storage medium, and aims to improve code detection efficiency and role perceptivity. Comprising the steps of obtaining a to-be-detected code and structured data of the to-be-detected code; the structured data is used for describing the function of the to-be-detected code; based on the task splitting agent and a plurality of preset detection angles, performing task splitting on the changed sub-codes and the structured data in the to-be-detected codes to obtain a plurality of detection sub-tasks corresponding to different detection angles; for any detection angle, executing a detection sub-task corresponding to any detection angle through a detection intelligent agent corresponding to any detection angle to obtain a detection sub-result corresponding to any detection angle; and inputting the plurality of detection sub-results and the information of the target detection role into the security field large model to obtain a target detection result of the target detection role corresponding to the to-be-detected code.

This invention belongs to the field of engine turbocharger testing technology and discloses a method and system for evaluating the transient response of engine turbochargers. The method includes: test preparation, operating condition setting, transient excitation and data acquisition, calculation of speed increment time, calculation of intake pressure to establish efficiency indicators, and two-dimensional diagnostic evaluation. This invention effectively solves the technical problem that existing evaluation parameters cannot distinguish the root cause of response lag, and has advantages such as accurate positioning and strong guidance. It is particularly suitable for the research and optimization of turbocharger systems with stringent transient response requirements, such as hydrogen fuel cell internal combustion engines.

This application discloses a method for preparing highly dispersible and stable catalytically active carbon quantum dots and its applications, belonging to the field of quantum dots. The preparation method includes: placing a homogeneous solution containing a carbon quantum dot precursor, water, and an organic solvent in a sealed container and reacting to obtain carbon quantum dots; the carbon quantum dot precursor is selected from at least one of L-ascorbic acid, glucose, cellulose, citric acid monohydrate, citric acid, urea, L-glutamic acid, and m-phenylenediamine. These carbon quantum dots exhibit excellent dispersibility in both aqueous and ethanol solutions, remaining non-agglomerated for several months, and maintaining excellent dispersibility within a pH range of 4–12. Their spectral response extends into the visible light region, enabling highly efficient photocatalytic reactions on their own; therefore, under simulated sunlight irradiation, almost complete decomposition of pollutants can be achieved.

The present application belongs to the technical field of material chemistry and environmental governance, and discloses a plant decomposition type deodorant formula and a configuration method. In view of the defects of the existing deodorization technology, such as secondary pollution, slow effect, only masking odor, insufficient product stability and the like, the present application uses tea polyphenol extract, yucca extract, grape seed extract, various plant essential oils and other pure natural plant extracts as raw materials, does not contain chemical synthetic additives, and is prepared through a standardized process of precise control of constant temperature environment, grading stirring speed, step-by-step feeding and reaction time. The deodorant can target decomposition of various foul-smelling molecules, has the effects of bacteriostasis and oxidation resistance, is completely deodorized, has strong product stability, is safe and non-irritating, has no secondary pollution, and can be widely applied to foul odor treatment in multiple scenes such as livestock breeding, garbage treatment, sewage treatment, public environment and the like.

This application relates to a method for recovering aluminum foil and boehmite from lithium-ion batteries. The method includes: obtaining a current collector aluminum foil with an insulating coating from the lithium-ion battery; heat-treating the current collector aluminum foil to decompose the insulating coating, obtaining a material; mixing the material with a solution containing additives, followed by ultrasonic treatment to decompose any remaining insulating coating and completely separate the insulating coating from the aluminum foil, obtaining aluminum foil and a solution containing high-purity boehmite. This application solves the technical problem of the difficulty in effectively separating the insulating coating from the current collector in existing lithium-ion batteries.

The invention discloses a core-shell nanofiber / MnO2 composite membrane material as well as a preparation method and application thereof, and belongs to the technical field of air purification materials. The preparation method comprises the following steps: respectively dispersing a carbon material and a high-molecular polymer in a solvent, and mixing and stirring to obtain a shell solution; dissolving polyurethane and a two-component cross-linking agent in a solvent to obtain a core layer solution; preparing a core-shell nanofiber membrane from the shell layer solution and the core layer solution through a core-shell electrostatic spinning device, and then carrying out heat treatment; polyvinylpyrrolidone is added into a KMnO4 solution, the pH is adjusted, then the core-shell nanofiber membrane subjected to heat treatment is added, a hydrothermal reaction is conducted, and the composite material is obtained. The invention also discloses the core-shell nanofiber / MnO2 composite membrane material prepared by the preparation method and application of the core-shell nanofiber / MnO2 composite membrane material. The core-shell nanofiber / MnO2 composite membrane material disclosed by the invention can solve the problems of large damage degree to a base material and short service life in the preparation process of the existing supported MnO2 composite membrane material, and has a wide application prospect.

A direct-fired incineration system for maleic anhydride plant tail gas, relating to the field of environmentally friendly chemical waste treatment, includes a three-stage incinerator, an ultra-high pressure waste heat boiler, a tail gas preheater, and a chimney. The three-stage incinerator comprises a high-temperature combustion section, a high-temperature oxidation section, and an ultra-clean oxidation section connected sequentially. The outlet of the ultra-clean oxidation section, the flue gas passage of the ultra-high pressure waste heat boiler, the tail gas preheater, and the chimney are connected sequentially. A main burner and an auxiliary burner are located at the top of the high-temperature combustion section. Preheated tail gas flows out of the tail gas outlet of the tail gas preheater and is divided into a first tail gas path, a second tail gas path, and a third tail gas path. The first tail gas path is connected to the high-temperature combustion section, the second tail gas path is connected to the high-temperature oxidation section, and the third tail gas path is connected to the ultra-clean oxidation section. This system enables tail gas incineration treatment of maleic anhydride plants using the n-butane process and hydrogen cyanide plants. The incineration system is highly efficient and energy-saving, eliminating the need for SNCR or SCR denitrification devices and ensuring low nitrogen emissions from the flue gas.

The application provides a distribution difference measurement method and system based on convex peak estimation, and a medium, and belongs to the field of random measurement and statistical analysis. The method constructs a concave-convex self-weight measurement system based on simple four arithmetic operations, calculates the cumulative difference and cumulative similarity of each sample point to the whole sample, obtains a composite measured weight, and relativizes it into a concave self-weight and a convex self-weight, takes a convex self-weighted mean as a convex peak estimation, replaces a traditional arithmetic mean, and realizes unbiased measurement of the centralized position of the distribution. The convex self-weighted mean based on the convex peak and the square of the peak difference is used to construct a standard peak difference, to reconstruct the statistics and the variance analysis statistics, and to eliminate the dependence of these statistics on the homogeneity assumption of the variance by using a correction factor to quantify the difference of the three elements. The method does not require normality test and normalizing conversion, and is suitable for single sample test, two sample test, paired test, completely random design and random block design and other statistical scenes of sampling distribution with centralized position.

The application discloses a method for preparing a two-dimensional carbon film by reducing carbon oxides through phase transition of a gallium-based alloy at room temperature, and comprises the following steps: step S1, adding mixed metal particles containing metallic gallium into a sealed container and sealing the container; step S2, removing air in the container and replacing it with high-purity CO or CO2 gas; step S3, continuously stirring or oscillating; step S4, converting the mixed metal particles containing metallic gallium into a liquid phase at room temperature; during the liquid phase conversion of the metal particles, the CO or CO2 gas is reduced to carbon material and covers the surface of the liquid metal; and step S5, peeling off the two-dimensional carbon film, thereby obtaining the two-dimensional carbon film. The method can directly convert CO or CO2 gas into a two-dimensional carbon film with excellent performance at room temperature, can solve the environmental problem, and can realize simple preparation of the two-dimensional carbon film, so the method has a wide application prospect.

The application provides a refinery dry gas separation method and device, and relates to the technical field of refinery dry gas separation. The method carries out a first hydration reaction on refinery dry gas to obtain a hydrate containing carbon two and carbon three components, hydrogen and methane being a first gas phase; the hydrate containing carbon two and carbon three components is subjected to a first decomposition reaction to obtain water and a second gas phase composed of carbon two and carbon three; the second gas phase is subjected to a first rectification separation to obtain carbon two components and carbon three components; the carbon two components and the carbon three components are respectively subjected to rectification separation to obtain ethane, ethylene, propane and propylene; the first gas phase is subjected to a second hydration reaction to form methane hydrate, and hydrogen is directly collected; after the methane hydrate is subjected to a second decomposition reaction, methane and water are obtained. The method is based on the fact that the pressures of the hydrates formed by the components in the refinery dry gas are different, and the components are subjected to staged hydration and decomposition, and finally combined with a rectification process to completely realize the separation of the components, and the method is simple and the product purity is high.

The application belongs to the technical field of microorganisms, and discloses a salt and alkali tolerant squirrel mammalian coccus and application thereof. Mammaliicoccus sciuri ​ STM10, which is a gram-positive coccus, has been preserved in the China General Microbiological Culture Collection Center with a preservation number of CGMCC No.38450. The strain has salt and alkali tolerance, can play the promoting functions of nitrogen fixation, phosphorus dissolution and resolution, iron carrier production and protease production, and can be prepared into microbial fertilizer. Application of the microbial fertilizer can effectively relieve salt and alkali stress, improve the seed germination and growth ability of crops, improve the physical and chemical properties of saline-alkali soil, optimize the ion environment, promote the nutrient absorption of crops, and provide support for agricultural utilization of saline-alkali land.

The application discloses a kind of catalysts for microwave-driven methanol-water reforming hydrogen production.The catalyst is composite catalyst obtained by CuO / ZnO composite oxide active component being supported on the surface of microwave absorption component, and the microwave absorption component is carbon nanotube or mixture of carbon nanotube and graphite;The mass of microwave absorption component accounts for 10-40wt.% of the mass of the entire catalyst;It is prepared by impregnation loading method.The application uses carbon with appropriate graphitization degree and specific surface area as carrier and as microwave absorption material at the same time, and loading copper-zinc oxide shows excellent wave-absorbing performance and methanol / water reforming reaction performance, and the preparation process is simple, when applied to microwave-driven methanol / water reforming hydrogen production, methanol can be converted to nearly 100% under the condition of using lower molar ratio of methanol / water raw material, and the H2 content in reforming gas product is about 70mol.%, and the CO content is less than 1mol.%.

This utility model discloses a disassembly and assembly device for an aircraft control stick handle, belonging to the field of aviation repair technology. It includes a wrench end for tightening a connecting nut and a movable end for clamping the control stick handle. The wrench end includes a Haver clamp with a handle and a lever. The Haver clamp with the handle clamps the connecting nut, and the lever reduces effort during tightening. The movable end includes a base with a T-slot, a sliding plate that can slide within the T-slot, and a U-shaped clamping screw fixed to the sliding plate. The control stick handle is clamped by the U-shaped clamping screw, and its position is adjusted by the sliding plate. This utility model enables the disassembly and assembly of the control stick handle, and it is stable, reliable, and easy to disassemble and assemble without damaging the control stick or handle during use. This is a new repair product; no similar device existed previously.

This invention discloses a composting device and method for planting substrates, comprising a shell and a turning mechanism for turning the compost, disposed within and movable within the shell. The turning mechanism includes a movable frame that moves within the shell and a turning roller disposed within and rotating within the movable frame. The outer cylindrical surface of the turning roller has several turning teeth. During composting within the shell, the turning roller rotates, and as the movable frame moves, the compost material is exchanged between the upper and lower layers, and between the inner and outer layers, achieving automatic turning of the compost, improving efficiency, and reducing labor intensity. Furthermore, it enables precise control of the internal environment of the compost, improving fermentation efficiency and product quality stability.