Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

168results about How to "Improve capture efficiency" patented technology

Point cloud three-dimensional target detection method and system based on local attention mamba model

The application relates to a point cloud three-dimensional target detection method and system based on a local attention Mamba model, which comprises the following steps: obtaining a key point cloud subset from a point cloud; inputting the key point cloud subset into a local attention Mamba model composed of N hierarchical stacks, and sequentially performing the following steps on each level: for each point, obtaining a neighborhood point set through a hash table index, generating local attention weights based on element-by-element multiplication interaction, and weighting and aggregating neighborhood features to obtain local geometric features; then modeling global long-range dependencies of the local geometric features by using a bidirectional Mamba module, and outputting global features as the input of the next layer; and inputting the global features output by the last level into a bird's eye view backbone network to obtain a three-dimensional target detection result. The application forms a progressive feature learning mechanism of local perception and global enhancement, and significantly improves the expression ability and reasoning efficiency of a point cloud backbone network.
Owner:SHANGHAI JIAOTONG UNIV

Foldable outdoor mosquito eradication device

ActiveCN224597399UThe effect of efficient trappingImprove capture efficiency
The application relates to the technical field of outdoor mosquito killing devices, in particular to a foldable outdoor mosquito killing device. The device comprises a collecting mechanism, the top of the collecting mechanism is provided with a light mosquito attracting mechanism, and the top of the light mosquito attracting mechanism is provided with a smell mosquito attracting mechanism; the device is provided with an ultraviolet lamp, a solid bait and a gas permeable hole, the ultraviolet lamp and the solid bait are matched with each other, the ultraviolet lamp can emit ultraviolet light to attract mosquitoes with phototaxis, and the solid bait releases smell through the gas permeable hole to attract mosquitoes relying on olfaction. Therefore, the device can efficiently trap the screened mosquito group through the double stimulation of light and smell, and the trapping efficiency of mosquitoes with different tropisms is obviously improved compared with a single trapping mode.
Owner:ZHENGZHOU MENGYADA TECH CO LTD

Optical window pollution self-immunization water body transparency detector

ActiveCN121347388BSolve the core pain points of the industryGuaranteed accuracyTransmissivity measurementsBeam splitterPhotovoltaic detectors
The application discloses the technical fields of environmental monitoring and water analysis and relates to a water transparency detector with self-immunization of optical window pollution, which comprises a light source, a first reflector, a beam splitter, a sample cell, a second reflector and a third reflector. The first reflector reflects the light of the light source to the beam splitter, and the beam splitter divides the light into transmitted light and reflected light. The transmitted light transmits through the sample cell and is converged by the second reflector to a transmitted end photoelectric detector. The reflected light is converged by the third reflector to a reference end photoelectric detector. The water transparency can be calculated according to the light intensity of the transmitted end photoelectric detector and the reference end photoelectric detector. The application dynamically offsets the error caused by the optical window pollution, light source fluctuation and detector drift through a double-light-path signal and a clean and polluted window pollution error double-ratio real-time compensation algorithm, so that the measurement accuracy can be ensured without a physical cleaning device. In addition, the application can monitor the change trend of the light intensity ratio and actively sense the degree of optical window pollution.
Owner:TONGJI UNIV

Integral dust removal system for workshop

The utility model discloses an integral dust removal system for a workshop, which relates to the technical field of dust removal and comprises a dust collection pipeline, a bag-type dust remover, an air compressor, an induced draft fan, a spray tower and an exhaust pipeline, the dust collection pipeline is connected into a plurality of stations, an air inlet of the bag-type dust remover is connected with the dust collection pipeline, and the air compressor is communicated with the bag-type dust remover through a pipeline. An air inlet of the induced draft fan is communicated with an air outlet of the bag-type dust collector through a pipeline, an air inlet of the spray tower is communicated with an outlet of the induced draft fan through a pipeline, and the exhaust pipeline is communicated with an air outlet in the top of the spray tower through a pipeline. According to the utility model, cloth bag dust removal and spray tower dust removal are carried out in sequence, high-efficiency dust removal and deep purification can be realized through graded purification, the ultra-low emission requirement is met, and gaseous pollutants are removed at the same time; the system stability is improved; and dust escape and secondary pollution are prevented. The included angle between the dust collection pipeline and the horizontal plane can prevent smoke dust from accumulating in the pipeline due to horizontal laying of the pipeline.
Owner:ANHUI MAGSONTE NEW ENERGY TECH CO LTD

Tube-type electric precipitator

ActiveCN224599521UImprove capture efficiencyfully processed
The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.
Owner:JIANGSU QINGFENG ENG GRP CO LTD

Low-partial-pressure CO2 catalytic absorption method and application thereof

The invention discloses a low-partial-pressure CO2 catalytic absorption method and application, and belongs to the technical field of gas separation. The low-partial-pressure CO2 catalytic absorption method comprises the following steps: S1, providing a nitrogen-doped activated carbon catalyst; the nitrogen-doped activated carbon catalyst is prepared by taking activated carbon as a carbon source and modifying the activated carbon through a nitrogen-containing reagent; s2, providing an organic amine solvent; and S3, under the action of the nitrogen-doped activated carbon catalyst provided in the S1, enabling flue gas to react with the organic amine solvent provided in the S2. Compared with the existing CO2 absorption method, the method provided by the invention has the advantages that the CO2 absorption rate, the CO2 absorption capacity and the CO2 capture efficiency can be remarkably improved, so that low-cost CO2 capture is realized.
Owner:CHINA PETROLEUM & CHEMICAL CORP +2

Unsupervised-based facial expression capture model training method, system and medium

The application discloses a face expression capturing model training method based on unsupervised face expression capturing model training method system and medium, obtains a group of preset prompt words for image generation, and randomly extracts a preset prompt word to generate a first two-dimensional face image; obtains a first face expression score vector and a face parameter based on the first two-dimensional face image; calculates three-dimensional face key points, and obtains a second two-dimensional face image according to the three-dimensional face key points; inputs the second two-dimensional face image into an emotion regression network to obtain a second face expression score vector; calculates a preset loss according to a preset loss calculation mode, and trains the face expression capturing model in a gradient back propagation mode. The application can train a model with a driving effect closer to a real face by generating the first two-dimensional face image corresponding to the preset prompt word, combining the face expression score vector, the face parameter and a large amount of unsupervised data, and simplifying the data acquisition process and reducing the cost.
Owner:XIAMEN MEITUZHIJIA TECH

Waste gas emission structure of plastic production workshop

The utility model relates to the technical field of waste gas emission structures, and discloses a plastic production workshop waste gas emission structure which comprises a first exhaust pipe and a second exhaust pipe, the left side of the inner wall of the first exhaust pipe is fixedly connected with a Venturi cover, the left side of the inner bottom wall of the first exhaust pipe is provided with a water accumulation groove, and the inner bottom wall of the water accumulation groove is communicated with a water drainage pipe. Two guide plates are fixedly connected to the inner bottom wall of the water accumulation tank, the inner walls of the two guide plates are slidably connected with the same light floating rod, a sealing plug is fixedly connected to the bottom of the light floating rod, and a pressure sensor is fixedly connected to the rear side of the right end of the Venturi cover. According to the waste gas collecting device, moisture and impurities in waste gas are blocked through the Venturi cover, the moisture condenses and slides into the water accumulation tank, when accumulated water is increased, the light floating rod drives the sealing plug to drain water from the water drainage pipe, the pressure sensor is matched with the frequency converter to control the rotating speed of the exhaust fan, and the waste gas collecting efficiency is improved.
Owner:SHENYANG DINGTAI PLASTIC PROD CO LTD

Polymer photovoltaic material and preparation method and application thereof

ActiveCN117003994Bhigh extinction coefficientHigh fluorescence quantum efficiencyPtru catalystPalladium catalyst
The application belongs to the field of organic photovoltaics, and relates to a kind of polymer photovoltaic material and its preparation method and application. Double bromide compound A and double side tin compound B are subjected to Stille cross coupling reaction under the action of palladium catalyst, and the polymer photovoltaic material is obtained. The polymer photovoltaic material prepared by the application has an ultra-wide absorption spectrum range from 300 nm to 1200 nm. Such material exhibits an ultra-wide spectral range and a high extinction coefficient, and embodies excellent light absorption capacity. The strong light absorption capacity of the polymer photovoltaic material prepared by the application will help to improve the device efficiency of organic photovoltaics and improve the energy conversion efficiency of the device. The polymer photovoltaic material prepared by the application provides reference value for the design of functional materials in many fields of organic photoelectricity and solar energy utilization and conversion.
Owner:YINGKOU XINGHUO NEW MATERIAL CO LTD

Method for improving flotation separation efficiency of micro-fine particle malachite

PendingCN121776002AImprove flotation separation efficiencyto promote floatingFlotation
The invention belongs to the technical field of copper ore beneficiation, and particularly relates to a method for improving the flotation separation efficiency of micro-fine particle malachite. The method for improving the flotation separation efficiency of the micro-fine particle malachite comprises the following steps that quartz ore powder, malachite ore powder and water are mixed according to the mass ratio of 5: 1: (15-40), and first ore pulp is obtained; and a collecting agent is added into the first ore pulp, the final concentration of the collecting agent is made to range from 50 mg / L to 240 mg / L, and second ore pulp is obtained. Inorganic acid is added into the second ore pulp, flotation is conducted, and copper concentrate is obtained. Wherein the collecting agent is obtained by mixing a mixture of fatty acid, fatty alcohol-polyoxyethylene ether and polyethylene glycol according to the mass ratio of (70-82): (2-10): (8-28). The inorganic acid is selected from any one of sulfuric acid, hydrochloric acid and nitric acid. The mass concentration of the inorganic acid is 5%-25%, and 0.1 mL-0. 7mL of the inorganic acid is added into each liter of ore pulp. According to the method, the separation efficiency of the micro-fine particle malachite and the quartz is remarkably improved, and the copper recovery rate of the copper concentrate reaches 85.14%-86.6%.
Owner:WUHAN INST OF TECH

Fluid kinetic energy capture device based on vortex cylinder and flexible wake slapping plate

The application discloses a fluid kinetic energy capturing device based on a vortex cylinder and a flexible wake slapping plate, wherein the vortex cylinder energy collection system is used for generating vortex-induced vibration response under the action of fluid to collect fluid kinetic energy; the flexible wake slapping energy collection system is arranged at the rear of the vortex cylinder energy collection system in the flow direction; when the vortex cylinder energy collection system cannot be excited out of the resonance lock-in frequency area, the flexible wake slapping energy collection system is used for capturing fluid kinetic energy under the action of the unsteady flow vortex environment shed at the rear of the vortex cylinder energy collection system; when the vortex cylinder energy collection system generates vortex-induced vibration response under the action of fluid, the flexible wake slapping energy collection system is used for assisting in capturing fluid kinetic energy. The energy collection mode of the application is suitable for a wide range of working flow rates, not only improves the working ability out of the resonance lock-in frequency area, but also improves the fluid energy conversion rate in a composite manner, has strong energy collection robustness, high energy conversion rate, is green and environment-friendly, and is suitable for underwater environment.
Owner:TSINGHUA UNIVERSITY

Nanometer modification and high-density coating process of enzyme-linked immunosorbent plate surface

ActiveCN122042952BIncrease fixed load capacityImprove the interface binding force
The application discloses a nano modification and high-density coating process for the surface of an enzyme-linked immunosorbent plate. The composition comprises an interface self-assembly bottom layer solution containing tannic acid and branched polyethyleneimine, and a dynamic gating functionalization buffer containing sodium tetraborate, D-mannitol and trehalose. The process first constructs a supramolecular bottom layer on a polystyrene surface, and then forms a boronic acid-mannitol gating interface without washing and drying. After the addition of an antibody, a competitive displacement reaction occurs between the Fc segment sugar chain and the boronic acid, the mannitol is displaced, and the directional high-density fixation of the antibody is realized. The application solves the problems of random direction and weak binding force of the antibody in the traditional physical adsorption, significantly improves the antibody loading capacity and detection sensitivity of the enzyme-labeled plate, and has good storage stability.
Owner:BEIJING NORTH INST OF BIOLOGICAL TECH

Wind power plant

The utility model relates to wind power generation technical field discloses wind power generation device, including support subassembly, wind wheel subassembly and power generation subassembly, wind wheel subassembly includes main shaft and impeller, and the main shaft fixed mounting is in support subassembly, and the impeller rotatablely installs on the main shaft, power generation subassembly includes first power generation unit and second power generation unit, and the stator of first power generation unit and second power generation unit all fixed mounting is in main shaft, and the outer rotor of first power generation unit and second power generation unit all are connected with the impeller fixedly, the utility model under the same wind force condition, first power generation unit and second power generation unit can work simultaneously, and the mechanical energy of impeller capture is more efficient, more fully converts into electric energy, effectively increases the overall power generation, improves the wind energy utilization efficiency and power generation efficiency, solves when the outside wind speed is at the low level, and the overall power generation of generator is insufficient.
Owner:YUANGONG ENERGY TECH GRP CO LTD +1

A lateral flow test strip for ultra-high sensitive detection of pathogenic bacteria and application thereof

ActiveCN116466076BHigh sensitivity detectionImprove capture efficiencyMaterial analysisAgainst vector-borne diseasesBacterial antibodyTarget capture
This invention belongs to the field of medical testing technology, specifically relating to a lateral flow test strip for ultra-high sensitivity detection of pathogens and its application. The lateral flow test strip provided by this invention uses polydopamine nanoparticles modified with bacterial antibodies as signal probes. Multiple detection lines are set on the NC membrane, and the detection lines are obtained by scribing with a bacterial antibody solution as ink. This invention replaces Au NPs in classic LFIAs with PDA NPs. Relying on the high extinction coefficient, affinity for bacteria, and stability of antibody binding of PDA NPs, a two-order-of-magnitude improvement in sensitivity is achieved when using LFIAs to detect bacteria. Simultaneously, utilizing the high extinction coefficient of PDA NPs, their signals can be identified and statistically analyzed by ImageJ software even when invisible to the naked eye. Combined with multiple test strips, this improves target capture efficiency, thereby achieving highly sensitive detection of pathogenic bacteria.
Owner:SUN YAT SEN UNIV

High-precision encoder control system based on artificial intelligence

The application discloses a high-precision encoder control system based on artificial intelligence, which comprises an information interconnection module, a blade posture prediction module and a high-precision control module. The information interconnection module is used for interconnecting information data between a plurality of groups of wind generator groups through a high-speed communication network. The blade posture prediction module is used for analyzing and predicting the optimal posture angle of the blades of the wind generator groups in real time. The high-precision control module is used for controlling the high-precision control of the blade posture of the target wind generator group according to the analysis result of the blade posture prediction module. The information interconnection module and the blade posture prediction module are network-connected. The blade posture prediction module and the high-precision control module are network-connected. The application has the characteristics of high control precision and strong practicability.
Owner:WUXI MINGRUIKE ELECTRONIC TECH CO LTD

Nanoparticle, preparation method and application thereof in early cancer screening

ActiveCN121988296Aforced vertical active conformationImprove capture efficiencyComponent separationOther chemical processesAntigenStage tumor
The invention provides a nanoparticle, a preparation method and a cancer early screening related application thereof, the nanoparticle comprises a superparamagnetic nano core, a cationic polymer modified on the surface of the superparamagnetic nano core and a targeting polypeptide grafted on the cationic polymer, the targeting polypeptide can specifically recognize a tumor specific antigen protein, and has a modular structure comprising a rigid helix and a charge repulsion sequence. The plasma low-abundance protein-enriched nanoparticles provided by the invention can be used for early screening detection of tumors through liquid biopsy, can significantly improve the detection rate of early tumors, and have important clinical significance.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

Plateau type multifunctional integrated service guarantee cabin

The invention relates to the technical field of plateau field safeguard equipment, in particular to a plateau type multifunctional integrated service safeguard cabin, and solves the problems that existing safeguard equipment is difficult in energy supply in a plateau environment, poor in environmental adaptability, single in function and incapable of meeting comprehensive requirements of personnel life, equipment power supply, communication support and the like in scenes such as emergency rescue and field operation. A plateau type multi-energy integrated service guarantee cabin comprises a guarantee cabin body, a heightened base and an energy, intelligent management, environment regulation and control, water purification, unmanned aerial vehicle service and value-added service extension system. The cabin body is made of high-density polyurethane heat insulation plates, a PLC control module, an inverter and an energy system are arranged to achieve light and wind storage and power supply, and all the systems are linked with a PLC as the core. According to the invention, the PLC control module is used as a core for linkage work of all the systems, energy self-sufficiency, intelligent management and control, environment adaptation and multiple services in the plateau environment are realized, logistics guarantee of continuous field operation of multiple persons can be met, and the safety and convenience of field operation are improved.
Owner:HEBEI ELECTRIC POWER EQUIP

Virtual object control method and device, equipment and storage medium

The invention discloses a virtual object control method and device, equipment and a storage medium, and relates to the technical field of computers. The method comprises the following steps: displaying a virtual environment, wherein the virtual environment comprises a master control virtual object and a virtual pet; a first trigger operation for a capture control of the virtual pet is received, the first trigger operation is used for generating continuous multiple capture operations for the virtual pet, and the probability that the virtual pet is successfully captured in each capture operation is smaller than 1; and in response to the first trigger operation, controlling the master control virtual object to execute at least one capture operation on the virtual pet until the virtual pet is successfully captured or the number of capture operations generated by the first trigger operation is used up. According to the invention, the capturing efficiency of the virtual pet is improved.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

A construction site dust handling facility

This utility model relates to the field of dust control technology, and in particular to a dust control facility for construction sites, including a handcart. The handcart is equipped with a dust control mechanism for dust control. The dust control mechanism includes: a spray assembly, including a frame fixed on the handcart, a circular plate fixed to the front end of the frame, an arc-shaped tube fixed to the front end of the circular plate via a fixing bracket, a plurality of circumferentially distributed atomizing nozzles installed at the front end of the arc-shaped tube, a cylinder seat fixed to the front end of the circular plate, and a fan blade installed inside the front end of the cylinder seat; a water supply assembly, mounted on the frame and used for water supply; and a drive device, mounted on the frame and used for power supply. Through the circumferential layout of the arc-shaped tube and the circumferential distribution of the atomizing nozzles, the water mist spray range expands in a ring shape. Combined with the airflow propulsion effect of the fan blades, the dust control facility significantly improves the capture efficiency and settling speed of airborne dust.
Owner:GUANGZHOU ZHONGCHANGLIAN AGRICULTURAL TECHNOLOGY CO LTD

A micro-porous fluid control and fluid handling assembly

PendingCN122275436AReduce adsorption retentionimprove passabilityFluid controlManufacturing technology
This invention discloses a microporous fluid control component and fluid processing assembly, relating to the fields of micro / nano fluid control and precision manufacturing technology. It includes a substrate and a flow field control structure. The substrate has a first surface for receiving fluid and interacting with an external shear flow field, and a second surface for discharging fluid. Several main flow channels are disposed on the substrate, penetrating the first and second surfaces. The flow field control structure includes several flow field control subsystems. The solid region of the first surface and / or the inner wall of the main flow channels are provided with flow field control subsystems. Each flow field control subsystem includes multiple micro-fluid interference components with preset three-dimensional geometric shapes. This microporous fluid control component and fluid processing assembly causes shear thinning of the fluid, significantly reducing near-wall viscosity, eliminating stagnant layers, and thus improving the filling efficiency and throughput of the slurry entering the main flow channels.
Owner:JIAXING NAHONG TECHNOLOGY CO LTD +2

Water surface photocatalytic oxidant release device

ActiveCN224646729UImprove environmental benefitseasy to handle
This invention provides a water surface photocatalytic oxidant release device, belonging to the field of photocatalytic equipment technology. It includes a main structure with an internal reaction chamber. The chamber has an inlet and an outlet at both ends, respectively, both communicating with the reaction chamber. An oxidant release membrane, a sulfonated polyethersulfone selective permeation membrane with a pore size <1 nm, is located at the outlet. The reaction chamber contains a catalyst support and a light source system. The catalyst support is made of porous ceramic and loaded with a g-C3N4 catalyst. The light source system includes an LED board fixed in the center of the catalyst support and surrounded by it. The LED board has a ring-shaped array of blue LED beads emitting light of a specific wavelength of 450-470 nm. An energy and control compartment is located inside one side wall of the main structure, housing a battery pack and a control unit board. This invention can significantly improve environmental benefits and treatment efficiency, and greatly enhance long-term operational stability and economic efficiency.
Owner:DALIAN MARITIME UNIVERSITY

A preparation method of a formaldehyde SERS sensor based on an Au@ZIF-8 core-shell structure

This invention discloses a method for fabricating and applying a formaldehyde SERS sensor based on an Au@ZIF-8 core-shell nanostructure, belonging to the field of gas detection technology. Formaldehyde has an extremely small intrinsic Raman cross section, and ordinary SERS substrates lack the ability to capture it, resulting in weak detection signals at low concentrations. This sensor uses Au@ZIF-8 core-shell nanoparticles to assemble a two-layer thin film as the SERS substrate. The Au nanoparticles (AuNPs) serve as the electromagnetic enhancement core, while the ZIF-8 shell layer enriches and sieves formaldehyde molecules. A layer-to-layer deposition method is used to construct the double-layer thin film structure to obtain optimal SERS performance. This invention solves the problems of low sensitivity, poor specificity, insufficient stability, and difficulty in rapid on-site detection in existing formaldehyde detection technologies. The detection limit is as low as 0.16 ppt, and within a wide range from 0.01 ppb to 100 ppm, the characteristic peak intensity exhibits an excellent linear relationship with the logarithm of formaldehyde concentration (R² ≥ 0.995). It can specifically identify formaldehyde and exclude interference from other VOCs, making it suitable for rapid quantitative detection of formaldehyde in practical scenarios such as indoor environments and cigarette smoke.
Owner:CHINA JILIANG UNIV

Electron beam cold bed melting energy control method for improving titanium alloy inclusion removal rate and application

The invention discloses an electron beam cold bed smelting energy control method for improving the titanium alloy inclusion removal rate and application, and relates to the technical field of metallurgical smelting. The control method specifically comprises the steps that a process functional area of the electron beam cold bed furnace is divided into a smelting area A, a refining area B and a refining area C; wherein the smelting area A is subdivided into a central area A1, a middle lower area A2 and edge areas A3 and A4; the refining area B is subdivided into areas B1, B2 and B3 in the melt flowing direction; the refining area C is subdivided into areas C1, C2 and C3 in the melt flowing direction; energy differentiation distribution is carried out on the refining area B and the refining area C; the energy control method acts on the titanium alloy smelting process, the shape of a molten pool can be actively reconstructed, a thermal shock pit beneficial to sedimentation and an ascending flow field beneficial to floating interception are formed, and the removal rate of low-density inclusions is effectively increased.
Owner:KUNMING UNIV OF SCI & TECH

Composite adsorption material for synergistically removing ammonia gas and sulfide in pet environment and preparation method of composite adsorption material

The invention discloses a composite adsorption material for synergistically removing ammonia gas and sulfide in a pet environment and a preparation method of the composite adsorption material, and belongs to the technical field of environment functional materials and gas purification. According to the composite adsorption material, zeolite and attapulgite are used as a porous inorganic matrix, an interface adhesion layer is constructed on the surface of the porous inorganic matrix through dopamine oxidation auto-agglutination, histidine-iron coordination is introduced to form enzyme-like active sites, meanwhile, a reversible sulfur capture structure is constructed through mercaptoacetic acid, a proton transfer network is constructed through phytic acid, and the porous matrix is subjected to synergistic modification; on the basis, zinc chloride, ferric nitrate, sodium carboxymethyl cellulose and polyvinyl alcohol are combined to prepare the composite adsorption material. According to the invention, by constructing a multi-stage synergistic system of bionic enzyme active sites, a dynamic sulfur capture structure and a proton transfer network, efficient synergistic removal of ammonia gas and hydrogen sulfide is realized, the stability and recycling performance of the material in a high-humidity environment are remarkably improved, and the material has a good application prospect.
Owner:SHENZHEN DOUFANG TECH CO LTD

Air filter medium

An air filter media is provided, comprising multiple layers of nonwoven fabric, with a performance index of 0.023 or higher. At least one layer of the nonwoven fabric contains at least two types of organic fibers, A and B, with different fiber diameters. The average fiber diameter of organic fiber A is 0.01–0.60 μm, and the average fiber diameter of organic fiber B is 1.0–30 μm. This provides an air filter media suitable for air filters that combine high capture efficiency with low pressure loss.
Owner:TORAY INDUSTRIES INC

A flexible control inertial wave energy generation device

This invention discloses a flexible, inertial wave energy harvesting device, comprising a floating assembly and a flexible, inertial energy harvesting unit. The flexible, inertial energy harvesting unit includes a fixed plate, vertically positioned along the Z-axis. A one-way bearing is mounted on the surface of the fixed plate. Based on the one-way bearing, two fixed pulleys are positioned downwards along the Z-axis. A rotating shaft is mounted on the one-way bearing. A chain is fitted onto the one-way bearing, with the first end of the chain connected to the end of a steel wire rope, and the end of the chain hooked to the first end of a spring. The chain engages with a sprocket. The end of the spring is fixed to the fixed plate. The steel wire rope of the flexible traction component passes sequentially around the two fixed pulleys and connects to an eccentric mass block located below the two fixed pulleys along the Z-axis. The one-way bearing is connected to a gear set. This invention improves the wave energy capture efficiency, environmental adaptability, and operational stability of the device.
Owner:XIDIAN UNIV

Directional adaptive wave energy generator and method of generating electricity

This invention discloses a directional adaptive wave energy generator and its power generation method. In this invention, raft one and raft two oscillate back and forth with the waves. During oscillation, a magnetic coupling transmission device and a one-way bearing drive the drive shaft of the triboelectric nano-power generation mechanism located in the sealed chamber to rotate unidirectionally. The drive shaft drives the FEP friction layer in the rotor of each power generation component to contact and rub against the MF foam friction layer in the stator, generating triboelectric charge. Furthermore, the relative positions between the FEP friction layer and the copper electrodes A and B in the stator periodically change, creating an alternating potential difference between copper electrodes A and B. Electrons flow back and forth between copper electrodes A and B, forming an alternating current, thus achieving power generation. Raft two is equipped with a tail fin, enabling the device to automatically adjust its attitude according to the wave or current direction. This invention can convert low-frequency wave energy into a stable current output for power generation and exhibits strong adaptability to multi-directional waves and complex sea conditions.
Owner:HANGZHOU DIANZI UNIV

A heavy metal scavenger modified with borate-hydroxyoxime groups, its preparation method and application

PendingCN122562145AImprove capture efficiencyMeet deep processing needs
This invention belongs to the field of wastewater treatment technology, specifically relating to a heavy metal scavenging agent modified with boric acid-hydroxyoxime groups, its preparation method, and its application. The boric acid-hydroxyoxime group-modified heavy metal scavenging agent comprises a three-dimensional network structure formed by the dehydration condensation bridging of polyaluminum chloride and boric acid, and hydrogen-bonded hydroxamic acid groups. This invention uses polyaluminum chloride (PAC) as the main framework, forming Al-O-B boron-oxygen covalent bonds through the dehydration condensation of boric acid and the hydroxyl groups of PAC, bridging the oligomeric PAC into a stable three-dimensional network polymer structure, thus enhancing its adsorption bridging ability. Then, it adsorbs acetylhydroxamic acid onto the boron-bridged PAC framework through a multiple hydrogen bond network, constructing a heavy metal scavenging agent with flocculation, adsorption, and chelation functions. The heavy metal scavenging agent of this invention has a stable structure, can be reused multiple times, and has high heavy metal capture efficiency.
Owner:JIANGSU GUOFENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

A storage device for carbon capture using seawater

PendingCN122251993AReduce transportation energy consumptionRealize self-superchargingDispersed particle filtrationPtru catalystHydrology
The present application relates to carbon capture and storage technology field, specifically to a kind of seawater type carbon capture and storage equipment, the output end of lifting mechanism is connected with the top of reaction bin;Reaction bin includes the upper tank body and lower tank body that can generate relative sliding, the top of upper tank body is connected with industrial exhaust pipe;The side wall of the top opening of upper tank body is fixedly connected with limiting ring, sealing mechanism is installed at the top opening of upper tank body, the output end of sealing mechanism is connected with sealing block, and the opening and closing state between sealing block and limiting ring is adjusted;The other end of sealing mechanism is located on the inner wall of upper tank body and is in contact with the top of lower tank body;Upper tank body top surface is equipped with spray head, and the liquid inlet end of spray head is communicated with the outside of upper tank body;Drain pipe is installed at the bottom of lower tank body;Catalyst for promoting carbon capture efficiency is sprayed on the inside wall of reaction bin.The equipment not only uses the pressure of seawater to keep the sealing of reaction bin, but also uses seawater pressure to pressurize reaction bin, so as to improve the reaction efficiency of carbon capture.
Owner:GUANGDONG OCEAN UNIVERSITY

Bivalent anti-Vibrio parahaemolyticus nanobody, preparation method, self-sandwich ELISA kit, and detection method.

This invention discloses a bivalent anti-Vibrio parahaemolyticus nanobody, its preparation method, a self-sandwich ELISA kit, and a detection method. The aim is to provide a bivalent anti-Vibrio parahaemolyticus nanobody, kit, and detection method with high accuracy, specificity, and sensitivity for detecting Vibrio parahaemolyticus. The amino acid sequence of the bivalent anti-Vibrio parahaemolyticus nanobody is shown in SEQ ID NO.7. This invention belongs to the field of biodetection technology.
Owner:ZHEJIANG UNIV