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32results about How to "Easy to scale application" patented technology

Functional ceramsite for efficiently purifying phosphorus-containing wastewater, preparation method and application thereof

ActiveCN118344172BSolve the problem of elevated pHPlay a role in phosphorus removalWater contaminantsWater/sewage treatment by sorptionEcological safetyWastewater
This invention relates to a highly efficient functional ceramsite for purifying phosphorus-containing wastewater, its preparation method, and its application. Based on a complementary functional strategy, it uses natural clay rich in Al2O3 and SiO2 as a binder and calcium-rich industrial solid waste as the calcium-rich active component. Functional additives are also added to mitigate pH changes caused by calcium oxide reactions. The above raw materials are calcined at high temperature to obtain inexpensive, calcium-rich functional ceramsite with high mechanical strength, large adsorption capacity, and ecological safety. This effectively solves the common problems of increased water pH and poor phosphate adsorption capacity at neutral pH in calcium-based ceramsite, achieving highly efficient phosphorus purification in water. This invention uses inexpensive and readily available natural clay and calcium-rich industrial solid waste as raw materials, resulting in low cost, good effect, and effective application in the treatment of low-pollution water.
Owner:HEBEI UNIV OF TECH +1

Method for selectively separating valuable metal from waste lithium battery positive electrode material

The invention discloses a method for selectively separating valuable metals from a positive electrode material of a waste lithium battery, and belongs to the technical field of resource recycling of waste lithium ion batteries. The method comprises the following steps: preparing an aprotic deep eutectic solvent (DES) as a leaching agent and an electrolyte at the same time; the method comprises the following steps: adding a waste positive electrode material into DES, and leaching to obtain a DES leaching-electrolyte system; according to the method, the pulse voltage is applied in stages, selective separation of nickel, cobalt and manganese is achieved by controlling the pulse peak voltage (the first stage is-0.8 V to-1.0 V, the second stage is-1.0 V to-1.2 V, and the third stage is-1.2 V to-1.5 V), and the pulse frequency and the duty ratio are used for regulating and enhancing mass transfer and restraining side reactions. According to the method, the metal deposition potential difference is expanded through DES coordination regulation and control, efficient selective separation of nickel, cobalt and manganese is achieved in combination with pulse step-by-step voltage control, and the method has the advantages of being high in separation efficiency, few in side reaction, simplified in process, high in product purity and the like.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Purification method for bamboo fiber reinforced natural polymer composite material

The present application relates to the technical field of bamboo fiber composite material, in particular to a purification preparation method of bamboo fiber reinforced natural polymer composite material. The bamboo raw material is crushed and treated by steam explosion to obtain primary bamboo fiber; the primary bamboo fiber is sequentially subjected to organic solvent dewaxing treatment and oxidation system selective delignification treatment to obtain purified bamboo fiber; the purified bamboo fiber is treated in a tannin acid solution to form a polyphenol interface layer on the surface thereof; and a solution containing polyvalent metal ions is added to the treated bamboo fiber to form a coordination cross-linking interface layer on the surface of the bamboo fiber. The present application constructs a stable interface layer between the fiber and the natural polymer matrix. The interface layer can effectively transfer stress, significantly improve the tensile strength, bending strength and shear strength of the composite material, and solve the problem of weak interface and easy delamination of traditional natural composite materials.
Owner:JINNADUO BIOENGINEERING (SHANDONG) CO LTD

Tactile sensor, normal force acquisition method, dexterous hand and robot

The present invention discloses a tactile sensor, a method for obtaining a normal force, a dexterous hand and a robot, belonging to the technical field of sensors, which includes a base, two or four point normal pressure sensors arranged on the base, and a rigid connecting body arranged on the two or four point normal pressure sensors; the base and the rigid connecting body are respectively located on both sides of the two or four point normal pressure sensors; the rigid connecting body is used to bear the acting force; the two or four point normal pressure sensors are used to measure the component force of the normal acting force received by the rigid connecting body on the point normal pressure sensors. A tactile sensor, a method for obtaining a normal force, a dexterous hand and a robot of the present invention can effectively solve the problems existing in the prior art tactile sensors, such as detection dead angles, limited measurement ranges, complex structures, high costs, etc.
Owner:CHENGDU HUMANOID ROBOT INNOVATION CENT CO LTD

Concrete mix design and fabrication methods in underground environments coupled with loads

This invention discloses a concrete mix design and manufacturing method for underground engineering concrete in a coupled environment of underground environment and load, relating to the field of underground engineering concrete technology. It aims to address the problem that traditional concrete mix design does not fully consider the coupling effect of underground environment and load. The underground environment includes groundwater erosion, wet-dry cycle, and temperature fluctuation; the load includes stress ratio. α s Dynamic load frequency and dynamic load amplitude α d This leads to technical problems such as insufficient erosion resistance, crack resistance, and mechanical stability of concrete, resulting in a short service life. This mix design is based on quantitative analysis of coupled environmental parameters. With cement, composite admixtures, recycled aggregates, modifiers, water, and additives as core components, the basic mix proportion is determined through a mapping model between "environment-load" coupled parameters and component content. The target mix proportion is then obtained through orthogonal experimental optimization. The manufacturing method includes four core steps: raw material pretreatment, graded mixing, gradient curing, and coupled environmental simulation curing.
Owner:CHINA UNIV OF MINING & TECH

Multi-objective performance coupling design method for warm-mix synchronously recycled SBS modified asphalt

ActiveCN122087935Aincrease valueEasy to scale application
This invention relates to the field of road engineering technology, and more particularly to a multi-objective performance coupling design method for warm-mix synchronously recycled SBS modified asphalt. The method determines the aging degree of aged SBS modified asphalt through testing, and accordingly determines the optimal dosage of the two-component synchronous recycling agent and the warm-mix agent. Subsequently, a diffusion model and a fusion degree calculation model for new and old SBS modified asphalt are established to quantitatively analyze the fusion degree of new and old asphalt under different temperatures and aged asphalt dosages. Based on this, a fusion degree spectrum is constructed, and by defining thresholds for each performance index, a feasible design scheme range for balanced performance is obtained, thereby determining the optimal mixing temperature and the maximum dosage of aged SBS modified asphalt. This invention can quickly determine the maximum allowable dosage of aged SBS modified asphalt and its corresponding optimal mixing temperature while considering multiple performance objectives, providing a reliable theoretical basis for the durability design of high-performance recycled SBS modified asphalt pavements.
Owner:HUAZHONG UNIV OF SCI & TECH

Microdomain environment building method for imitating wild cultivation under morchella forest

The invention discloses a microdomain environment building method for imitating wild cultivation under a morchella forest, and relates to the technical field of edible fungus cultivation, the method comprises the following steps: selecting an under-forest area with canopy density of 0.7-0.9 for ecological transformation, applying an organic material, and disinfecting; the temperature is controlled to be 15-20 DEG C by comprehensively applying canopy shading, a sunshade net, a small arched shed and the like, the air humidity is maintained to be 80%-90% through monitoring of a sensor and spraying or drip irrigation, and the soil water content is controlled to be 60%-70%; a bionic matrix formed by mixing wood sections, branches and fallen leaves is laid, and after strains are sown, the seedlings are covered with nutrient covering soil formed by mixing under-forest humus soil, turfy soil and vermiculite; selecting high-quality strains for inoculation; an Internet of Things system is arranged to monitor temperature, humidity, illumination and COO in real time, and environment factors are automatically adjusted; performing fine management according to the growth stage and adopting green prevention and control; the method can significantly improve the yield, quality and cultivation success rate of morchella esculenta, and has the advantages of being eco-friendly, low in cost and replicable.
Owner:SUZHOU ZHIJUNWOXIANG AGRICULTURAL TECHNOLOGY CO LTD

Aluminum-containing heavy water-based electrolyte, preparation method and application thereof

ActiveCN117051441BBroadening the Electrochemical Stability WindowRaise the overpotentialElectrochemical responseElectrolytic agent
This invention discloses an aluminum-containing heavy water-based electrolyte, its preparation method, and its applications. The electrolyte comprises a solvent and a solute. The solvent includes heavy water, a deuterated solvent, and a low-barrier hydrogen bond reconstructing agent. The solute comprises a main aluminum salt and an auxiliary monovalent metal salt. This electrolyte can construct low-barrier hydrogen bonds in solution by controlling the solvent composition, significantly reducing the activity of water in the solution, improving the electrochemical stability of the solution, and suppressing side reactions. Simultaneously, it improves the electrochemical reaction behavior of aluminum in the solution and at the electrolyte / electrode interface, which is beneficial for improving the electrochemical deposition efficiency of aluminum in aqueous solution.
Owner:CENT SOUTH UNIV

A high-resolution satellite image urban area shadow-removed ARD production method and device

The application discloses a high-resolution satellite image urban area shadow-removed ARD production method and device, and belongs to the technical field of remote sensing image processing. The method comprises the following steps: firstly, screening out images covering urban areas; performing radiation calibration on high-resolution satellite images covering urban areas to obtain apparent radiance images; based on the apparent radiance images, performing preliminary shadow detection by using a pre-trained deep learning model; using a near-infrared band of an atmospheric-corrected ground reflectivity image, performing false detection elimination on the preliminary detection result by adaptive threshold segmentation to obtain a final shadow mask; performing histogram matching processing on the shadow area based on the shadow mask on the atmospheric-corrected ground reflectivity image to realize shadow removal; and finally, outputting the shadow-removed ARD product. The application significantly improves the shadow detection precision and the quantitative reliability of the ARD product, and is suitable for large-scale ARD production of high-resolution satellite images in urban areas.
Owner:AEROSPACE INFORMATION RES INST CAS

Water reducer modified basalt fiber reinforced cement concrete and preparation method thereof

The invention discloses a water reducing agent modified basalt fiber reinforced cement concrete and a preparation method thereof, and belongs to the technical field of material and traffic crossing. The preparation method comprises the following steps: firstly, synthesizing a water reducing agent containing carboxyl, amino and a polyether side chain, and carrying out surface chemical grafting modification on basalt fibers subjected to alkali liquor hydroxylation treatment by using the water reducing agent to obtain modified basalt fibers; during concrete preparation, the modified basalt fiber is added into a concrete dry material according to a specific volume mixing amount to be dispersed, and the water reducing agent dry material is further doped during wet mixing. Through dual application of the water reducing agent in fiber modification and concrete compounding, the interface bonding force between the fiber and a cement matrix and the dispersity of the fiber in concrete are synergistically improved, and the problem that the workability and the mechanical property of the concrete are difficult to consider at the same time under the condition of high mixing amount of the basalt fiber is solved; the strength and durability of the concrete are remarkably improved while excellent construction fluidity is guaranteed, and the engineering application range of the concrete is expanded.
Owner:ZHONGBEI UNIV +2

A method of silicon photonic chip optical interconnection based on meniscus-guided additive manufacturing

PendingCN122284021ADeformation toleranceImprove alignment toleranceHigh densityOrganic solvent
This invention discloses a method for optical interconnection of silicon photonic chips based on meniscus-guided additive manufacturing, belonging to the field of silicon photonic chips. The method includes: in a controlled gas environment, using a printing material system containing polymers and organic solvents, stretching a liquid bridge between the optical interfaces of two silicon photonic chips using microneedles, and guiding the movement of the meniscus to form a polymer filament connecting the two ends. Subsequently, the solvent evaporates and solidifies, ultimately forming a free-space polymer optical waveguide spanning the chips. This method does not rely on high-energy lasers or adhesive application and washing processes, and is simple, low-cost, and highly efficient. The fabricated waveguides can achieve controllable spans from hundreds of nanometers to hundreds of micrometers in diameter and tens of micrometers to millimeters in length. The end faces can be optimized into controllable transition structures, effectively improving mode matching and coupling efficiency. It features low insertion loss, high alignment tolerance, and good mechanical stability, making it suitable for high-density silicon photonic packaging and heterogeneous integration.
Owner:HONG KONG UNIV OF SCI & TECH (GUANGZHOU)

Methods, systems, electronic devices, and storage media for early warning of acute mountain sickness

PendingCN122091261AResting blood oxygen saturation recoveryOxygen saturation recoveryMedical data miningHealth-index calculationRisk classificationEngineering
This application relates to a method, system, electronic device, and storage medium for early warning of acute mountain sickness. The method includes: collecting physiological data from a step test conducted on a subject at a target plain altitude; generating at least one physiological principal component based on the step test data; performing cluster analysis on the at least one physiological principal component to obtain risk classification clusters; obtaining the actual high-altitude Lake Louise score of the subject in each risk classification cluster and calculating the score interval proportion to determine the risk classification label; and providing an early warning of acute mountain sickness to the user based on the risk classification label. This solves the problems in related technologies, such as high dependence on specialized testing equipment and laboratories, time-consuming testing processes, inability to screen individuals before they enter high altitudes, difficulty in achieving non-invasive and simple screening, and inability to effectively determine the acute mountain sickness tolerance of new subjects, thus hindering personalized early warning and prevention.
Owner:TSINGHUA UNIVERSITY

Novel automatic connecting piece for shield tunnel segments and machining method

The invention discloses a novel automatic connecting piece for shield tunnel segments and a machining method, and relates to the field of shield tunnel engineering.The connecting piece comprises a C assembly pre-buried in concrete of a first segment, and the surface of the C assembly is flush with the surface of the concrete; the O assembly is pre-buried in concrete of the second segment, and a horn-shaped guide hole is formed between the end of the O assembly and the surface of the concrete; the component I is assembled in the component C and is used for being inserted into the component O when the duct pieces are assembled; wherein the component C comprises a main body frame for accommodating the component I, and a sliding mechanism is arranged in the main body frame; and the component I can move in the joint plane through the sliding mechanism. By arranging the C assembly with the guiding and sliding functions, the I assembly serving as the middle connecting body and the O assembly with the locking function, the problem that an existing connecting piece is complex in functional structure and difficult to accurately match can be solved, and therefore the efficiency and accuracy of segment splicing are improved.
Owner:SHANGHAI TONGYAN CIVIL ENGINEERING TECHNOLOGY CORP LTD

Difunctional gypsum admixture as well as preparation method and application thereof

The invention discloses a difunctional gypsum admixture as well as a preparation method and application thereof, and belongs to the technical field of building material admixtures. According to the invention, vegetable tannin is coated on the surfaces of metal oxide nanoparticles, and another metal ion is coordinated on a tannic acid coating layer to assemble core-shell structure nanoparticles, so that the difunctional gypsum admixture is obtained. The difunctional gypsum admixture provided by the invention can delay the gypsum coagulation time and increase the plasticity time of gypsum slurry, after the admixture accounting for 10-50% of the mass of gypsum is introduced, the initial setting time of the gypsum is prolonged to 20-70 min, meanwhile, the assembly of the core-shell structure gives full play to the synergistic effect of the two high Z elements, efficient shielding of the gypsum to X rays is realized, and the strength of the gypsum is improved. Meanwhile, the problem that metal oxide nanoparticles are difficult to uniformly and stably load on gypsum crystals is solved.
Owner:ZHEJIANG UNIV OF SCI & TECH

Preparation method of conductive carbon black with high specific surface area

PendingCN121975351AHigh conductivityConducive to collaborative transmissionPigment physical treatmentWater vaporHigh conductivity
The invention relates to the technical field of carbon material preparation and modification, in particular to a preparation method of conductive carbon black with high specific surface area. The preparation method provided by the invention comprises the following steps: under a protective atmosphere, heating a raw material carbon black to 350-550 DEG C for first heat treatment, then heating to 800-950 DEG C for second heat treatment, and continuously heating to 1300-1600 DEG C for third heat treatment to obtain intermediate carbon black; sequentially carrying out water vapor activation and carbon dioxide activation on the intermediate carbon black to obtain the conductive carbon black with high specific surface area, the temperature of water vapor activation is 850 to 950 DEG C; the activation temperature of the carbon dioxide is 900 to 1000 DEG C. Impurities are removed through gradient heat treatment, a carbon skeleton is rearranged, and then water vapor and CO2 physical activation are utilized to cooperatively regulate and control micropore and mesoporous structures, so that the high specific surface area and the high conductivity are taken into account.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

A cigarette consumer preference quantification method and system based on multi-modal fusion

This invention discloses a method and system for quantifying cigarette consumer preferences based on multimodal fusion, belonging to the fields of data processing and artificial intelligence technology. The method includes: collecting voice data from consumers during smoking and behavioral observation data recorded in real-time by interviewers; processing the voice data to extract text features and acoustic emotion features; structurally encoding the behavioral observation data to generate a temporal behavioral feature sequence; and inputting the multimodal features, after time alignment, into a multimodal fusion analysis model based on an attention mechanism for fusion analysis, generating and outputting a structured quantitative index of consumer preferences. The system includes corresponding functional modules for implementing the above steps. This invention solves the problems of high cost, single insight dimension, and difficulty in quantifying conclusions associated with traditional methods. It can efficiently and accurately fuse consumers' subjective speech and objective behavioral responses in natural interview scenarios, outputting quantitative preference indicators that can directly guide cigarette product development, and has significant advantages such as low cost, high feasibility, and operable results.
Owner:HAINAN HONGTA CIGARETTE CO LTD

A molecular marker, primers and their applications related to capsaicin content

PendingCN122081535Aearly identificationAccurately predict spiciness phenotypesMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyReference genes
This invention belongs to the field of molecular biology technology for chili pepper breeding, and discloses a molecular marker, primers, and their applications related to capsaicin content. The molecular marker uses the “zhangshugang” version of the genome as a reference gene, and its flanking nucleotide sequence is shown in SEQ ID NO: 1. The primers are shown in SEQ ID NO: 2-4. This invention also provides the primers or kits for identifying and assisting in the screening of chili pepper spiciness, or for the identification, screening, or breeding of non-spicy chili pepper fruits. This invention achieves early, accurate, and high-throughput identification of the “non-spicy” and “spicy” traits in chili peppers. The developed KASP molecular marker can complete genotyping within hours using only a small amount of leaf DNA during the seedling stage, accurately predicting the spiciness phenotype of mature fruits, moving the selection process from the field to the laboratory, and breaking through the spatial and temporal limitations of phenotypic identification.
Owner:HUNAN AGRI UNIV

FeCrAl alloy and method for producing the same

The application discloses an FeCrAl alloy, and has the following alloy components and mass percentages: C<=0.02%, Si<=0.3%, Mn<=0.3%, P<=0.01%, S<=0.008%, Cr 23-25%, Al 7-8%, W 1-3%, Nb 0.03-0.05%, V 0.08-0.12%, Y 0.1-0.2%, Ce 0.05-0.15%, N<=0.008%, and the balance of Fe and inevitable impurities. The FeCrAl electric heating alloy has excellent mechanical and electrical properties, and the production process is relatively simple and easy to be applied on a large scale.
Owner:HEBEI DAHE MATERIAL TECH CO LTD +2

Display card information control device and control method

The invention provides a display card information management and control device and method, and relates to the technical field of display card information management. The device comprises an MCU (Microprogrammed Control Unit) control module, an I2C (Inter-Integrated Circuit) control module and a mainboard I2C control module, wherein the modules realize communication through I2C communication interfaces. The method comprises the steps of information storage, information reading and multi-card address switching. Key information such as a video card serial number and a product serial number is stored through a FLASH ROM of the MCU control module, the key information is read by client equipment through a standardized I2C interface, and meanwhile the address conflict problem in a multi-card scene is solved through an address switching register. The method overcomes the defects that an existing non-professional graphics card cannot store key information and is difficult to manage, compliance management and control of graphics card information are achieved, the hardware management cost of an enterprise is reduced, and the method is suitable for deployment and application of the non-professional graphics card in the professional fields such as servers.
Owner:SHENZHEN COLORFUL YUGONG INFORMATION TECH DEV CO LTD

Integrated triggering method and system for computer one-key recovery based on shutdown state

The present application relates to the technical field of computer integrated control, in particular to a computer one-key recovery integrated triggering method and system based on shutdown state. Through hardware circuit shutdown condition, user operation is listened to, user triggering behavior is arbitrated and judged under the constraint of Recovery module false touch prevention, effective triggering signal is generated and written into wake-up register; RC delay circuit and flip-flop sampling analysis are combined to analyze power-on voltage change, next time when starting, there is no need to enter operating system or BIOS to automatically enter Recovery mode; after the device is powered off, power supply data of power supply domain is read by button cell and PG distortion signal is reconstructed in frequency domain, based on the signal, stable power-on screening and CLRTC physical triggering detection are completed, and real-time clock data is automatically cleared when the condition is met. In the System Reset module, the real system down state is identified by constructing power-on abnormal variable field, and the system restart is automatically triggered after detecting the Reset signal, so that one-key maintenance and recovery under computer down state are realized.
Owner:SHENZHEN DE SHENG DA ELECTRONIC SCI & TECH CO LTD

Absolute pressure sensor based on f-p cavity structure and air pressure detection method

This application provides an absolute pressure sensor with an F-P cavity structure and a method for detecting air pressure. The absolute pressure sensor includes: a light source module for linearly modulating the received external sawtooth wave modulation signal to output continuous laser light; an optical fiber transmission module for unidirectional transmission of the continuous laser light to block the reflected light of the continuous laser light from returning to the light source module; an F-P interference cavity including an exit surface of an optical fiber collimator coated with a low-reflectivity film and a total reflection mirror fixed on a pressure-sensitive elastic element. The pressure-sensitive elastic element senses changes in air pressure and deforms, causing the total reflection mirror to shift. The continuous laser light is reflected on the exit surface and the total reflection mirror to form coherent light, generating a beat frequency optical signal carrying air pressure information; a photoelectric detection module for processing the beat frequency optical signal carrying air pressure information transmitted via the optical fiber transmission module to obtain an electrical signal that meets demodulation requirements; and a signal demodulation module for processing the electrical signal that meets demodulation requirements to obtain the air pressure value.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

A method for determining the dissociation solution and antigen content of influenza vaccines adsorbed with aluminum adjuvant.

This invention belongs to the field of biomedical technology, specifically relating to a dissociation solution for aluminum adjuvant-adsorbed influenza vaccines and a method for determining antigen content. The dissociation solution of this invention is composed of potassium phosphate solution, diethanolamine, Triton X-100, Tween-20, dodecyl dimethyl betaine, and water. This dissociation solution exhibits excellent dissociation efficiency, achieving a recovery rate of 106%-110% for hemagglutinin from H1N1, H3N2, and BV influenza vaccines. It effectively protects antigen activity and is simple to operate with wide applicability. The dissociated sample can be directly used for mainstream detection methods such as one-way immunodiffusion assay, enzyme-linked immunosorbent assay, and high-performance liquid chromatography, enabling precise quantification of antigen content in aluminum adjuvant-adsorbed influenza vaccines and providing reliable technical support for vaccine quality control.
Owner:JIANDA BIOTECHNOLOGY (NANJING) CO LTD +2

Intelligent forest tree breeding method based on multi-modal data and large model

The invention provides an intelligent forest tree breeding method based on multi-modal data and a large model, and relates to the technical field of forest tree genetic breeding. The method comprises the steps of obtaining and integrating genotype data, phenotype data, multi-omics data and environment time sequence data of a target tree species, and performing preprocessing and feature fusion to form a multi-modal data set for analysis; on the basis of the multi-modal data set, key genes or gene modules for regulating and controlling target characters are mined by adopting a genotype-environment interaction algorithm and multi-omics coupling analysis; constructing a dynamic model fusing genotypes, environmental factors and time dimensions, and predicting breeding values of individuals or combinations on a whole genome level based on mined key genes or gene module information; and based on a prediction result, performing multi-objective optimization and intelligent screening at three levels of parents, combinations and offspring, and outputting a breeding decision scheme. According to the method, a complete, efficient and accurate forest tree intelligent breeding solution is formed.
Owner:RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY

Lithium battery BMS device combined with impedance test and health monitoring method

The invention discloses a lithium battery BMS (Battery Management System) device combined with impedance test and a health monitoring method, and the device not only has the function of a conventional BMS, but also has the function of realizing the acquisition and analysis of electrochemical impedance information of each battery of a battery pack by a front-end AFE module through the control of a BMS core processor on a data selector. The system can carry out impedance sweep frequency test on the battery in a certain frequency range, and can also carry out key test aiming at a specific frequency point, the collected impedance characteristics of the battery can be used for health state estimation, battery aging prediction and temperature state analysis, and if an abnormal battery occurs, an early warning execution device is triggered to avoid accidents. According to the invention, the state of the battery can be monitored in real time through impedance testing, and impedance data and battery state prediction are combined, so that rapid safety early warning and active management are realized.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY

A low-migration, oxygen-resistant photoinitiator, its preparation method and application

PendingCN122080261AEfficient light curingOvercome the oxygen inhibition effectIron saltsCarboxylic acid
This invention relates to the field of photopolymerization materials technology, and more particularly to a low-migration, oxygen-resistant photoinitiator, its preparation method, and applications, applicable to environmentally friendly coatings, 3D printing resins, and biomedical adhesives. The nano-photoinitiator of this invention is prepared from a trivalent iron salt compound and an organic ligand containing a carboxylic acid group; it generates initiating free radicals under ultraviolet and / or visible light irradiation, which are used to initiate the free radical polymerization reaction of unsaturated monomers. The system of this invention can still achieve rapid and complete curing in an air environment, significantly reducing or avoiding the oxygen inhibition effect commonly found in traditional free radical photocuring, and exhibits high stability; simultaneously, it has advantages such as wide availability of raw materials, low cost, easy aqueous phase conversion, and reduced potential irritation and migration risks, thus improving the system's biocompatibility and environmental friendliness.
Owner:QINGDAO UNIV OF SCI & TECH

A type of food packaging bag

ActiveCN118701488BAvoid mutual collision damageGuaranteed stabilityBagsSacksFood storageStore food
This invention discloses a food packaging bag, relating to the field of packaging bags. It includes a central pillar with a hook mounted on its top side. Multiple storage mechanisms are equidistantly arranged in a ring around the outer side of the central pillar, used for categorizing and storing food. It also includes multiple folding and shrinking mechanisms and an automatic blocking mechanism. It should be noted that, in this embodiment, the storage space formed by multiple elastic bands can tighten the food, preventing loose food from colliding and being damaged. Furthermore, the multiple adjustable storage spaces allow for the simultaneous storage of different types and quantities of food. The packaging bag is easy to store and reuse. Additionally, when the packaging bag is lifted, a rotating blocking frame and multiple elastic bands form a lid, covering the bag and preventing the food from spilling out when the bag is touched, thus ensuring food storage safety.
Owner:WENZHOU SUYI TECH CO LTD

A high-safety high-cycle-life in-situ curing gel polymer electrolyte, a lithium ion battery and a preparation method thereof

This invention belongs to the field of lithium-ion battery material technology, specifically relating to a high-safety, high-cycle-life in-situ cured gel polymer electrolyte, its preparation method, and its applications. The electrolyte uses a multi-arm crosslinking agent containing a central atom and grafted with oxygen double and single bonds as its core, copolymerizing with the main crosslinking agent N,N′-methylenebisacrylamide to form a three-dimensional network structure. The X=O bond ratio in the multi-arm crosslinking agent is not less than 10%, which can catalyze carbonization at high temperatures, block thermal oxygen, and capture free radicals, endowing the system with intrinsically high flame retardancy. This network also promotes lithium-ion migration and stabilizes the electrode interface, thereby significantly improving battery cycle performance and safety. The electrolyte membrane of this invention has a limiting oxygen index ≥26%, and the battery manufactured using this invention retains ≥80% of its capacity after 500 cycles at 1C rate. It also passes the UL1642 needle penetration test, exhibiting both high safety and long lifespan characteristics, making it suitable for power batteries and energy storage applications.
Owner:DONGGUAN UNIV OF TECH +1

Non-magnetic-control valve position indicating device and method

The invention relates to the technical field of valve position indicators. The non-magnetic-control valve position indicating device comprises a shell, a transmission mechanism, a strain mechanism and a sensing mechanism, the transmission mechanism is arranged in the shell, one end of the transmission mechanism is connected with a valve rod of a valve, the other end of the transmission mechanism is connected with the strain mechanism, and the sensing mechanism is arranged on the strain mechanism. In response to the linear motion of the valve rod, the linear motion of the valve rod is converted into mechanical transmission motion through the transmission mechanism; the transmission mechanism drives the strain mechanism, so that the strain mechanism generates elastic deformation corresponding to the position of the valve; the deformation quantity of the strain mechanism is detected through the sensing mechanism, and an electric signal in direct proportion to the deformation quantity is output; and based on the direction and the amplitude of the electric signal, the opening and closing state and the stroke position of the valve are judged. The problems that a traditional magnetic control type valve position indicator is poor in reliability and prone to failure in extreme industrial environments such as high temperature and intense radiation are solved.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

Multi-layered self-driven microfluidic detection device and method for porcine disease and application

The application provides a multi-pig disease hierarchical self-driven microfluidic detection device and method and application. The device comprises a self-driven microfluidic chip body, and sample pretreatment layers, multi-reaction layers and waste liquid absorption layers are sequentially layered and stacked along the fluid flow direction. The sample pretreatment layer is composed of a plasma separation membrane, an impurity filter membrane and a reagent release pad, realizing one-step plasma separation, filtration and marker release of whole blood samples; the multi-reaction layer is provided with at least one microfluid channel, and a binder pad, a hierarchical detection area and a quality control area are sequentially arranged in each microfluid channel, so that porcine blue ear disease, swine fever and porcine epidemic diarrhea can be simultaneously detected; the waste liquid absorption layer is overlapped with the end of the microfluid channel, and provides a capillary self-driven power, without the need of an external pump. The application also provides an application method of the device and application in preparation of a detection kit. The application does not need external equipment, is simple to operate, has high sensitivity and strong specificity, and is rapid in detection, and is suitable for on-site rapid detection scenes such as farms and primary veterinary stations.
Owner:INSTITUTE OF ANIMAL SCIENCES OF CHINESE ACADEMY OF AGRICULTURAL SCIENCES

A method for rapid oxidation of spiro-ome tad by oxygen plasma to improve solar cell efficiency

This invention discloses a method for rapidly oxidizing Spiro-OMeTAD with oxygen plasma to improve the efficiency of solar cells, belonging to the field of perovskite solar cell device technology. This invention involves treating the hole transport layer Spiro-OMeTAD with low-power oxygen plasma under substrate heating conditions, enabling rapid and uniform oxidation within a short time. This significantly improves the conductivity and carrier mobility of the thin film, while drastically reducing the exposure time of the film to air and minimizing moisture and Li₂ residues. + The interaction of ions reduces the damage of moisture to the thin film. The oxygen plasma rapid oxidation scheme of this invention not only effectively optimizes the electrical performance of the hole transport layer, but also simplifies the fabrication process and improves device consistency, laying a solid material foundation for the further fabrication of high-quality, high-stability perovskite solar cell devices.
Owner:NANTONG UNIV