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39results about How to "Conducive to load" patented technology

Door lock cooperative transmission adjustment method and system

The invention discloses a door lock cooperative transmission adjustment method and system, and the method comprises the steps: enabling a gateway router to synchronize a binding relation between a current authorizer identifier and an equipment address among whole-network multicast routers through an enhanced PIM protocol according to a face recognition result of a multimedia authorization device for indoor personnel; according to a visitor face image collected by a door lock, sending the visitor face image to a door lock gateway in a multicast mode; dynamically determining to convert the multicast video stream into a unicast stream and forward the unicast stream to one or more multimedia authorization devices according to a visitor feature vector extracted from the multicast video stream by the door lock gateway; and synchronizing the association relationship between the visitor feature vector and the identifier of the authorizer in the whole network by enhancing IGMP and PIM protocols according to the identification result of the multimedia authorization equipment on the specific action of the authorizer. By utilizing the embodiment of the invention, intelligent transmission conversion from equipment connection to identity and intention driving can be realized, and accurate and efficient authorization collaboration and remarkable optimization of network resource load are achieved.
Owner:DESSMANN CHINA MACHINERY & ELECTRONICS

Metallocene catalyst and preparation method and application thereof

The invention provides a metallocene catalyst and a preparation method and application thereof. The method comprises the following steps: providing a first silicate aqueous solution with the pH value of 9-10 as a base solution; mixing the second silicate aqueous solution, inorganic acid and the base solution, and aging at 70-80 DEG C to obtain a first mixed solution; mixing and reacting the first mixed solution, an alkaline substance and organic alcohol to obtain a second mixed solution; mixing and reacting the second mixed solution, an alkaline substance and organic alcohol to obtain a hydrogel system; mixing the hydrogel system with inorganic acid to obtain acidified gel; performing first post-treatment to obtain a silica gel carrier; carrying out thermal activation on the silica gel carrier, and mixing and reacting with an aluminum alkyl solution to obtain MAO modified silica gel; and mixing the MAO modified silica gel with a metallocene compound, reacting, and carrying out second post-treatment to obtain the metallocene catalyst, wherein the alkaline substance comprises one or a combination of more than two of ammonia water, ammonium carbonate and ammonium bicarbonate. The metallocene catalyst has good catalytic activity.
Owner:PETROCHINA CO LTD

Torque distribution method, device and equipment of distributed driving system, automobile and storage medium

The embodiment of the invention relates to the related technical field of vehicles, and discloses a torque distribution method, device and equipment of a distributed driving system, an automobile and a storage medium, a first shaft of the distributed driving system is driven by a single motor in a centralized mode, a second shaft is driven by double motors in a distributed mode, and the first shaft is a front shaft or a rear shaft; the method comprises the steps that torque distribution processing is carried out according to the expected yawing torque and the longitudinal target torque of the vehicle, and the first distribution torque and the second distribution torque of each driving motor are determined; and performing fusion processing on the first distribution torque and the second distribution torque of the driving motor, and determining a target torque of the driving motor. By means of the technical scheme, the problem that torque distribution in a distributed driving system is not reasonable enough in the prior art can be solved.
Owner:AVATR CO LTD

A chitosan-Chlamydomonas reinhardtii protein composite carrier, its preparation method and application

ActiveCN122074651AImprove structural stabilityImprove the environmentOrganic active ingredientsNervous disorderChlamydomonas sajaoChlamydomonas reinhardtii
This invention discloses a chitosan-Chlamydomonas reinhardtii protein composite carrier, its preparation method, and its application. The composite carrier has a triple network structure, comprising: a three-dimensional network backbone formed by cross-linking chitosan and sodium tripolyphosphate, constituting the first network; a functional enhancing phase, including Chlamydomonas reinhardtii protein, which is embedded and anchored in the three-dimensional network backbone through a first physical interaction, constituting the second network, thereby forming a chitosan-Chlamydomonas reinhardtii protein complex with an interpenetrating network structure; and a structure-directing agent, including a hydrophobic active substance, which self-assembles and embeds into the hydrophobic microregions of the chitosan-Chlamydomonas reinhardtii protein complex through a second physical interaction, constituting the third network. The composite carrier provided by this invention is prepared using electrospinning technology, achieving high loading capacity and high encapsulation efficiency, constructing a multi-layered antioxidant defense network, and can serve as a highly efficient and stable multifunctional carrier for the preparation of functional food delivery materials.
Owner:HEFEI UNIV OF TECH

CPU-FPGA-oriented graph neural network training acceleration method and system

PendingCN121936505Aachieve normal operationAchieve high throughput and automate operationsResource allocationPhysical realisationAlgorithmParallel computing
The invention relates to the technical field of neural network acceleration, and relates to a CPU-FPGA-oriented graph neural network training acceleration method and system. The method comprises the steps that a CPU stores complete graph feature data and distributes different feature data to storage modules of different FPGAs through data channels according to a load balancing algorithm; partitioning the GNN network model by the CPU, and matching a partitioned model operator with a corresponding FPGA (Field Programmable Gate Array); the CPU completes issuing and sampling of a partition model according to a sampler algorithm, and sends the partition model to the FPGA; reading feature data after the FPGA is started, completing a calculation task by a load execution module, and writing a result back to a CPU memory; the CPU completes data updating and weight updating; and resending the updated weight data to the corresponding FPGA, and carrying out iterative training. According to the invention, operation of the graph neural network on a CPU-FPGA platform is successfully realized, and the overall acceleration effect is excellent.
Owner:YUANQIXIN (SHANDONG) SEMICONDUCTOR TECHNOLOGY CO LTD

Composite carrier, method for the production and use thereof

ActiveCN119774751BImprove nitrogen removal efficiencyWith piezoelectric self-driving characteristicsMicroorganismMetal-organic framework
The application relates to the technical field of wastewater denitrification, and discloses a composite carrier as well as a preparation method and application thereof. The composite carrier comprises porous molybdenum disulfide, the porous structure of the molybdenum disulfide in-situ grows zirconium metal organic frameworks, and the surface of the molybdenum disulfide is loaded with graphene. The composite carrier can not only serve as a place for denitrification of microorganisms, but also can improve the denitrification efficiency of the microorganisms.
Owner:SHANGHAI QIZHI NEW ENERGY TECH CO LTD

Warehouse elevator scheduling method, computer equipment and computer readable storage medium

PendingCN121860301Abalance workloadLoad balancing is optimizedReservationsForecastingPathPingLocal congestion
The embodiment of the invention discloses a warehouse elevator scheduling method, computer equipment and a computer readable storage medium. The warehouse elevator scheduling method comprises the following steps: constructing a scheduling algorithm to process received task information so as to determine a reservable object; determining a reservation mode according to the task information, and obtaining a reservation form; processing the reservation form according to the reservation mode so as to determine a target object from the reservable objects; and generating and outputting a scheduling queue based on the target object. Therefore, the reservable object can be determined firstly through the scheduling algorithm, so that the workload of the multiple elevators in the warehouse is balanced, the load balance of the elevators is optimized, local congestion and resource idleness are avoided, and the overall scheduling efficiency is improved. The real-time state and resource occupation condition of each connection point can be dynamically reflected by using the reservation form, channel resources are reserved in advance in combination with a pre-locking mechanism, dynamic reservation scheduling and path cooperative control of the elevator are realized, and the response speed and stability of the system are remarkably improved.
Owner:ZHONGKE YUNGU TECH

Liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate and method for preparing the same

The application discloses a liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate and a preparation method thereof, and belongs to the technical field of daily-use chemicals.The raw materials of the liquid crystal emulsion include an alkyl glycoside sodium hydroxypropyl sulfonate solution and an oil phase; wherein the oil phase is selected from at least one of dodecanoic acid and hexadecanoic acid.The prepared liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate is hexagonal liquid crystal, can realize the encapsulation and stabilization of various active material cosmetic raw materials, and has good pH and temperature applicability.Meanwhile, the liquid crystal can effectively inhibit the oxidative degradation of the active material.The preparation process of the liquid crystal is simple and easy to operate, and has low requirements on equipment.
Owner:JIANGNAN UNIV

Integrated bath heater control switch

The utility model provides an integrated bath heater control switch, which belongs to the technical field of electric switches and comprises a bearing mechanism, a panel, a connecting assembly arranged on one side of the panel and a supporting shell sleeve arranged on the outer side of the connecting assembly in a sleeving manner through a buckle. And the moisture absorption mechanism is matched with the bearing mechanism for use. According to the utility model, through the optimized layout of the horizontal metal plate and the special-shaped transverse plate, the risk of line cross short circuit is effectively avoided, and the stability and safety of electrical connection are ensured; in cooperation with the active dehumidification function of the moisture absorption mechanism, the durability of the product in a humid environment is remarkably improved; meanwhile, due to the special structure of the special-shaped transverse plate, the mechanical strength is enhanced, effective isolation of a circuit is achieved, misoperation caused by signal interference is prevented, heat dissipation and load distribution are optimized, the service life of elements is greatly prolonged, and the safety, reliability, maintenance convenience and the like of products are qualitatively improved.
Owner:WENZHOU DONGGU ELECTRIC CO LTD

Map content display methods, systems, devices and media

This application discloses a method, system, device, and medium for displaying map content, relating to technical fields such as map applications. The method for displaying map content includes: acquiring basic urban information and urban landmark information; constructing an urban landmark database based on the basic urban information and urban landmark information; determining the number of urban landmarks and landmark display priority data based on the urban landmark database; determining landmark display parameters based on the number of urban landmarks and landmark display priority data; and displaying the landmarks on an electronic map based on the landmark display parameters.
Owner:BEIJING JIZHI DIGITAL TECH CO LTD

Manganese dioxide intercalated graphite material and method for preparing the same

The application relates to the field of new materials and electrochemistry, in particular to a manganese dioxide intercalated graphite material and a preparation method thereof. First, graphite material forms an intercalation compound between graphite layers under the action of voltage in concentrated sulfuric acid, then in a peeling and depositing process, manganese ions are deposited between graphite layers and on the surface of the graphite under the action of voltage, the interlayer pi-pi interaction is weakened through an electrochemical method, the interlayer space of the graphite is effectively utilized, and therefore the later loading of active substances between the graphite layers is facilitated. Finally, the manganese dioxide intercalated graphite material with high performance is obtained, and has the characteristics of low cost and high efficiency.
Owner:LUOYANG INST OF SCI & TECH

A method and equipment for integrated extrusion molding of high-performance nanofiber structural components

ActiveCN119704512BUniform size and structureFew unit defects
This invention relates to the field of fiber structural component preparation technology, specifically to a method and equipment for integrated extrusion molding of high-performance nanofiber structural components. The integrated extrusion molding method for high-performance nanofiber structural components of this invention includes the following steps: (1) adding a nanofiber solution to a forced mixing and conveying device, causing the nanofiber solution to be sheared and transformed into a homogenized dispersion in the forced mixing and conveying device, and then injecting the homogenized dispersion into a molding die through an extrusion die under the extrusion pressure provided by the forced mixing and conveying device; (2) immersing the entire molding die in a reconstruction solution, allowing the homogenized dispersion injected into the molding die to exchange solvents with the reconstruction solution, causing the homogenized dispersion to undergo a sol-gel conversion, forming a nanofiber composite gel with a predetermined shape; (3) washing and drying the nanofiber composite gel with the predetermined shape to obtain a nanofiber structural component. This method has fewer steps and less environmental impact.
Owner:SOUTH CHINA UNIV OF TECH

A multi-virtual local area network spanning tree optimization method based on a large language model and an adaptive temperature genetic algorithm

The application discloses a multi-virtual local area network spanning tree optimization method based on a large language model and an adaptive temperature genetic algorithm, and belongs to the technical field of network topology optimization, and comprises the following steps: acquiring physical topology information of a target network to construct a network graph model; initializing a population of the genetic algorithm and allocating a use quota of high-value edges to each virtual local area network based on the network graph model; iteratively optimizing the population by using an enhanced genetic algorithm framework integrated with a large language model; dynamically recommending a genetic operation strategy of the current generation by the large language model according to multi-dimensional state indexes of the population, and performing multi-objective fitness evaluation on individuals in the population; and dynamically adjusting a temperature parameter by using a bidirectional state-aware adaptive temperature scheduling mechanism; and collecting optimal edge selection schemes of each virtual local area network spanning tree obtained through final optimization as a multi-virtual local area network network configuration scheme to perform network configuration. The method can realize intelligent global optimal configuration of multi-VLAN spanning trees.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Preparation method and application of carbon dioxide fusion element capture agent

PendingCN122352220AGood dispersionconducive to loadWarm waterMicrosphere
This invention relates to the agricultural field, specifically to a method for preparing and applying a carbon dioxide fusion element trap. It addresses the problem that polymeric film-forming agents added to foliar fertilizers easily form a continuous, dense, and impermeable physical film on the leaf surface, making it difficult for carbon dioxide to enter, interfering with normal photosynthesis and transpiration, and thus causing abnormal leaf metabolism. The method involves immersing mesoporous silica microspheres in a PEI solution to obtain PEI-loaded microspheres, then adding a solution of gelatin, chitosan, glycerol, and glutaraldehyde to deionized water to form a composite gel base solution. Finally, selenomethionine, seaweed oligopeptides, and yeast extract are mixed with the composite gel base solution in warm water to obtain the carbon dioxide fusion element trap. This invention, through careful material selection and structural design, cleverly achieves a balance between strong adhesion and high permeability, allowing it to firmly adhere to the leaf surface and eliminating the defect of clogging leaf stomata.

HITL method and system for unloading large model reasoning task in heterogeneous GPU computing power cloud

The invention discloses an HITL method and system for unloading a large model reasoning task in a heterogeneous GPU computing power cloud. The method comprises the following steps: constructing a system model of the heterogeneous GPU computing power cloud; an HITL system architecture based on multiple agents is designed; human expert feedback is introduced through an HITL method, and recognition of a large model on a user intention is corrected; human expert feedback is introduced through an HITL method, and recognition of a large model on a user intention is corrected; the multi-agent cooperation module maps the intention of a user to a utility function through interaction among a plurality of agents; an optimized cue word method is used, the thinking process of a large model is decomposed, and the intention recognition accuracy is improved in a chain reasoning mode. According to the method, dynamic scheduling of computing power resource management and large model reasoning tasks can be optimized, and the service quality and the user experience in the heterogeneous GPU computing power cloud environment are improved.
Owner:NARI TECH CO LTD +1

Anti-scaling coating resistant to medium and high hydrothermal temperatures as well as preparation method and application of anti-scaling coating

The invention discloses a preparation method of an anti-scaling coating capable of resisting medium and high hydrothermal temperatures. The preparation method comprises the following steps: immobilizing an anti-scaling agent on an anti-scaling coating with the size of 70-90 nm and the specific surface area of gt; the scale inhibitor immobilized nano silicon dioxide is obtained in nano mesoporous silicon dioxide with the pore diameter of 2-9 nm and the volume of 600 m < 2 > / g; and then, uniformly mixing the mixture with particles of heat-resistant polymer resin in a physical blending manner, electrostatically spraying the mixture on a substrate, and curing at high temperature to obtain the anti-scaling coating resistant to medium and high hydrothermal temperatures. The adopted nano mesoporous silica has good adsorption capacity, the scale inhibitor can be immobilized in the nano mesoporous silica through the physical adsorption effect, and the nano silica immobilized with the scale inhibitor and the heat-resistant polymer resin are physically mixed and cured to prepare the scale-preventing coating, so that the scale-preventing coating has excellent scale-preventing performance, and the scale-preventing performance is good. The method is economical and environment-friendly, and the dirt-resistant effect of the surface of the material in the medium-high temperature hydrothermal environment can be achieved without adding a large amount of scale inhibitor.
Owner:ZHEJIANG UNIV +2

Water pump bearing friction torque detection instrument

The utility model discloses a water pump bearing friction torque detection instrument which comprises a support and a servo motor, a loading cylinder is arranged on the support, and the output end of the loading cylinder is connected with a fixing tool used for fixing an outer ring of a water pump bearing. A loading air cylinder is arranged on the support, a positioning tool used for fixing a water pump bearing mandrel is rotationally arranged on the support and located below the loading air cylinder, a torque sensor is connected to an output shaft of the servo motor, the torque sensor is in transmission connection with the positioning tool through a connecting module, and an output shaft of the loading air cylinder and an output shaft of the servo motor are coaxially arranged. The torque measuring device is simple in structure and closer to actual working conditions, and torque measurement of the water pump bearing assembly under different loads is achieved.
Owner:C&U CO LTD +2

Responsive priming method for wheat seeds

The invention belongs to the technical field of agricultural planting, and particularly relates to a response type priming method for wheat seeds. Comprising the following steps: S1, preparation of a carrier: preparing a nano-carrier of which the surface is modified with a pH-responsive polymer layer, and loading at least one active substance for improving wheat stress resistance or promoting growth in the nano-carrier; s2, seed initiation: contacting wheat seeds with a dispersion liquid containing a nano-carrier, and performing initiation treatment to enable the nano-carrier to be attached to the surfaces of the seeds or shallow layers of seed coats; s3, drying: drying the initiated seeds until the water content is safe for storage. The active substance is loaded in the nano-carrier with pH responsiveness and is linked with the physiological process of wheat seed germination, so that the functions of sealing and protecting the active substance in the dry storage period and triggering release during germination are realized, the accurate release of the active substance at the most needed moment of the seed is realized, and the seed germination time is prolonged. And the utilization efficiency and the effect reliability are greatly improved.
Owner:SHANDONG JINHONGYUAN ECOLOGICAL AGRI +1

Lifting rib assembly and laundry treating apparatus

PendingCN122588831AMeet the needs of usage scenariosconducive to load
The application relates to the technical field of clothes processing, and provides a lifting rib assembly and clothes processing equipment. The lifting rib assembly comprises a lifting rib and a power receiving device. The power receiving device is used for detecting parameters of a load in a clothes processing cavity and / or processing the load. At least part of the power receiving device is inlaid in the lifting rib. The power receiving device and the lifting rib jointly form an insert injection molding structure. The power receiving device and the lifting rib jointly form an integral molding structure through injection molding. The sealing property and the bonding force of the power receiving device and the lifting rib are good. The sealing structure between the power receiving device and the lifting rib can be omitted. The use scene requirement of clothes processing can be met. The reliability is better. The assembly steps of the power receiving device and the lifting rib can be saved. The assembly process is simplified. The power receiving device is arranged on the lifting rib. The power receiving device can be in close contact with clothes and other loads in the clothes processing cavity.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Preparation method and application of potassium permanganate alumina ball air purification filter material

The invention relates to the technical field of air purification, in particular to a preparation method and application of a potassium permanganate alumina ball air purification filter material, the preparation method comprises the following steps: S1, cleaning and drying an activated alumina ball to obtain a pretreated alumina ball; s2, dissolving potassium permanganate in deionized water, and adding a stabilizer to prepare a potassium permanganate solution; s3, adding the pretreated alumina balls into a potassium permanganate solution to obtain impregnated alumina balls; s4, taking out the impregnated alumina balls, and drying to obtain dried alumina balls; s5, soaking the dried alumina balls in an organic acid solution, taking out the alumina balls, leaching the alumina balls, and drying the alumina balls to obtain treated alumina balls; and S6, putting the treated aluminum oxide balls into a sealed container, and aging to obtain the aluminum oxide balls. The potassium permanganate alumina ball air purification filter material obtained by the preparation method has the advantages of uniform potassium permanganate loading, firm combination, good stability and high purification efficiency.
Owner:HUNAN PUJIE ENVIRONMENTAL PROTECTION TECH CO LTD

Marine microorganism self-healing coral aggregate concrete and preparation method thereof

PendingCN121850539ARemarkable self-healing effectIncreased durabilityAggregate (composite)Microorganism
The invention belongs to the technical field of durability of concrete materials, and particularly relates to marine microorganism self-healing coral aggregate concrete and a preparation method thereof. The coral aggregate concrete is prepared from coral particles, a composite cementing material, a bacillus inoculant, a composite calcium source, a water reducing agent, a microbial nutrient matrix, a defoaming agent and deionized water according to the proportion of (800 g to 1000 g): (440 g to 460 g): (100 mL to 200 mL): 10 g: 2 g: 30 g: 2 g: (270 mL to 290 mL). The bacillus inoculant is prepared from bacterial spores with the salinity tolerance of 3%-6% and the mineralization deposition rate of 1 g / L-6 g / L. The concrete aims at micro cracks with the width of 0.1-0.5 mm, the repair rate of the crack area reaches 95% or above, the cracks are completely closed after 28 days, and calcium carbonate precipitates are tightly combined with a concrete matrix; based on a crack water permeation resistance test, the relative water permeability coefficient is reduced by 90% or above compared with common coral aggregate concrete.
Owner:YAZHOU BAY INNOVATION RESEARCH INSTITUTE HAINAN TROPICAL OCEAN UNIVERSITY

Temperature-sensitive nano-carrier based on biomass core and preparation method and application thereof

This invention relates to a thermo-responsive nanocarrier based on a biomass core, its preparation method, and its applications. First, using hydroxyl-containing biomass materials such as cyclodextrin and cellulose nanocrystals as a core, a macromolecular initiator with ATRP initiating groups modified on its surface is prepared through an acylation reaction. Then, the macromolecular initiator is mixed with thermosensitive monomers such as N-isopropylacrylamide for ATRP polymerization to obtain a thermo-responsive nanocarrier. Next, the thermo-responsive nanocarrier is blended with functional reagents such as antibacterial agents to obtain a supported thermo-responsive nanocarrier. Finally, the supported thermo-responsive nanocarrier is mixed with a matrix material such as textile fibers to obtain a supported thermo-sensitive functional material. The preparation method of this invention has the advantages of simple process, green and controllable characteristics, and the obtained thermo-responsive nanocarrier can be widely used in the field of functional materials in light industries such as textiles, leather, and footwear, endowing related products with various intelligent properties.
Owner:CHINA LEATHER & FOOTWEAR IND RES INST

Catalyst for carbon four alkylating raw material pretreatment, preparation method and pretreatment method

The application discloses a kind of carbon four alkylation raw material pretreatment catalyst and preparation method and pretreatment method, belong to carbon four light hydrocarbon processing technical field.Its technical scheme is: carbon four alkylation raw material first enters extraction column and is extracted, water-washed carbon four alkylation raw material is extracted from top and enters catalytic rectification column, catalytic rectification column is divided into rectification section, reaction section and stripping section from top to bottom, catalyst of the application is placed in reaction section;Carbon four alkylation raw material enters reaction section, butadiene therein and hydrogen gas occur reaction, and 2-butene generated in the reaction process is removed constantly;Catalytic rectification column bottom is extracted and pretreated carbon four alkylation raw material.The pretreatment method of the application carries out corresponding desulfurization, denitrogenation, deoxidant and diene hydrocarbon etc.pretreatment before carbon four alkylation raw material enters alkylation device, meets the requirement of alkylation feed to raw material impurity, improves alkylation oil quality, reduces the material loss of alkylation process.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Life cycle management method and system of heterogeneous functional component

ActiveCN121996522AHigh precisionMonitor the loading process in real timeVersion controlHardware monitoringBusiness enterpriseTerm memory
The invention discloses a life cycle management method and system for heterogeneous functional components, and relates to the technical field of life cycle management, a plurality of functional packages are loaded to a corresponding multi-source management space, a plurality of subspace sources are marked in the multi-source management space, the priorities of the subspace sources are ranked, and the priority of the subspace sources is ranked; determining a corresponding downloading event in combination with the cross matching of each function packet; and the plurality of subspace sources comprise a local cache source, an enterprise private source and an official public source, so that the accuracy of downloading the event is improved. And determining a corresponding conflict solving means according to the conflict content and the corresponding constraint relationship, determining a target framework in combination with the corresponding framework compatibility, marking the load of the corresponding heterogeneous functional component to optimize the occupation condition of the corresponding memory, and triggering the life cycle management of the heterogeneous functional component in combination with the state tracking mechanism of each functional packet to improve the performance of the heterogeneous functional component. And the life cycle management effect of the heterogeneous functional component is improved.
Owner:NORDKETTE (SUZHOU) INTELLIGENT EQUIPMENT CO LTD

Phosphate adsorbent, method for preparing the same, and use thereof

The application provides a phosphate adsorbent and a preparation method and application thereof. The specific surface area of the clay-iron composite prepared by the application is 87.6 m 2 / g, which is higher than 63.6 m 2 / g of the clay. The adsorbent prepared by the application has a large specific surface area. The adsorption capacity of the clay-iron composite prepared by the application to the phosphate is 1.936 mg / g, and the adsorption rate is 88.165%. The bentonite selected by the application has a strong phosphate adsorption capacity and an expansion structure, which is beneficial to the loading of iron. After the iron is combined with the bentonite, the iron ion solution and the composite are separated, and then the iron oxide is synthesized again. Compared with the prior art of directly mixing the iron oxide and the clay mineral or synthesizing the iron oxide in the state that the clay mineral is dispersed in the iron ion solution, the method of the application retains the increased phosphate adsorption capacity of the iron oxide and reduces the content of iron in the composite, and has a higher environmental protection value.
Owner:HUAZHONG AGRI UNIV

Methanation catalyst, preparation and application thereof, and methanation method

The invention relates to the technical field of methanation catalysts, and discloses a methanation catalyst, a preparation method and application thereof, and a methanation method. The methanation catalyst comprises a carrier and an active component nickel, and the content of the active component nickel in terms of oxide is 4-19% on the basis of the total weight of the methanation catalyst; the carrier comprises a pre-reductive methanation catalyst and a matrix; after the pre-reduction methanation catalyst is subjected to re-reduction treatment, the number of active centers of the catalyst is 0.03-0.41 mmol hydrogen per gram of catalyst, and the re-reduction treatment conditions are as follows: the temperature is 280 DEG C, the time is 2 hours, the re-reduction atmosphere is an atmosphere containing hydrogen and argon with the hydrogen concentration of 10% by volume, and the volume ratio of the gas to the catalyst is 15000; the average mechanical strength of the carrier is 20-35 N / mm, and the particle mechanical strength dispersion coefficient of the carrier is 0.15-0.6. The catalyst has relatively high mechanical strength and low-temperature reaction activity.
Owner:CHINA PETROLEUM & CHEMICAL CORP +2

A double-layer composite ceramic fiber filter tube with functions of flue gas dust removal, nitrous oxide removal, and dioxin removal, and its preparation method.

ActiveCN116651091BSave equipment costsSave running costsNitrous oxide captureGas treatmentFiberComposite ceramic
This invention discloses a double-layer composite ceramic fiber filter tube with functions of flue gas dust removal, nitrous oxide removal, and dioxin removal, and its preparation method. The ceramic fiber tube consists of an outer filter layer and an inner catalyst layer. The ceramic fiber tube provided by this invention has high dust removal efficiency at 150℃~400℃, high nitrous oxide removal efficiency, and high dioxin removal efficiency. The preparation process is simple and has few steps. The active components are uniformly dispersed on the carrier, with adjustable loading and high bonding strength. This material can achieve integrated treatment of dust, nitrous oxide, and dioxins, efficiently simplifying the treatment process of industrial exhaust gas purification and reducing flue gas treatment costs.
Owner:NANJING TECH UNIV +1

A catalyst for hydrogen evolution reaction, its preparation method and application

This invention discloses a hydrogen evolution reaction catalyst, its preparation method, and its application. The hydrogen evolution reaction catalyst comprises the following steps: S1: Dissolving an amine compound in a solvent, adding a transition metal salt, and after the transition metal salt dissolves, adding a platinum source and stirring to disperse it evenly to obtain a mixed solution; S2: Heating the mixed solution to dryness, and grinding the dried powder evenly in a mortar to obtain a precursor powder; S3: Calcining the precursor powder in an inert gas atmosphere, then soaking the calcined product in acid, washing until neutral, and drying to obtain the hydrogen evolution reaction catalyst. Due to its unique structure, the hydrogen evolution reaction catalyst of this invention exhibits excellent stability under strong acid and high voltage conditions.
Owner:WUHAN HIMALAYA OPTOELECTRONICS TECH CO LTD

Oxygen and nitrogen doped mesoporous microcrystalline carbon material as well as preparation method and application thereof

PendingCN122036379A
The invention relates to an oxygen-nitrogen-doped mesoporous microcrystalline carbon material as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The oxygen and nitrogen doped mesoporous microcrystalline carbon material provided by the invention contains carbon and oxygen, and the oxygen and nitrogen doped mesoporous microcrystalline carbon material contains 90-95 parts by mass of carbon and 5-10 parts by mass of oxygen; or the oxygen and nitrogen doped mesoporous microcrystalline carbon material contains 90-99 parts of carbon, 0.5-5 parts of oxygen and 0.5-5 parts of nitrogen, the pore diameter of the oxygen and nitrogen doped mesoporous microcrystalline carbon material is 2-50 nm, and the particle size is 0.1-10 microns. The prepared oxygen-nitrogen doped mesoporous microcrystalline carbon material is granular, controllable in size, highly stable in structure, very stable after entering a living body, and capable of being stored for a long time in a normal environment without deterioration. The drug carrier is high in universality, capable of loading various types of drugs, capable of regulating cell affinity, capable of improving the targeting effect and capable of enhancing the treatment effect, and high in biological safety.
Owner:GUANGZHOU MOXI TECH CO LTD

Chip pick-and-place manipulator of full-automatic die bonder

PendingCN122270092AReduce operating burdenreduce consumption
The present application relates to chip production technical field, especially a kind of chip pick-and-place manipulator of full-automatic die bonder, including workbench, the workbench upper end is provided with suction pump, the workbench one end is fixedly connected with motor, the output shaft of motor is fixedly connected with runner, the lateral wall of workbench both sides are rotatably provided with runner, and transmission belt is connected between two runners, the lateral wall of the end of workbench away from motor is bolted with link frame, sliding table is fixedly connected on the transmission belt.The chip pick-and-place manipulator of full-automatic die bonder provided in the present application, when the gas extracted by suction pump is sprayed inward, the chip can be quickly cleaned, when the gas extracted by suction pump is sprayed outward, the chuck can be used to adsorb the chip, and the gas extracted can quickly detect that the chuck is not located directly above the chip, and is extracted, effectively reduce the load during transportation, and the setting of link frame can balance relative to motor.
Owner:ZHONGJING XINFU SEMICONDUCTOR (JIANGSU) CO LTD