52results about How to "Great application value" patented technology

The invention relates to an underwater acoustic target recognition system and method based on multi-modal depth feature fusion, and belongs to the field of underwater acoustic target recognition. The method comprises the following steps: firstly, performing preprocessing on an obtained underwater acoustic target original audio and associated metadata, and constructing a multi-modal data set; and then the constructed multi-modal sample is input into an identification model, the model extracts deep representation of each modal through a multi-branch feature coding network, depth alignment and complementary aggregation of different modal features are realized by using a cross-modal cross attention mechanism guided by potential query, and a target identification result is output based on a decision network of mixed experts. According to the method, experimental verification is carried out on two disclosed underwater acoustic data sets, the experimental result verifies the effectiveness of the multi-modal deep fusion and hybrid expert adaptive decision strategy adopted by the method, and through mining the complementary advantages of acoustic features and semantic priori, the multi-modal deep fusion and hybrid expert adaptive decision strategy is obtained. And the robustness and generalization ability of the underwater acoustic target recognition system in the strong-noise and multi-working-condition environment are remarkably improved.

The invention provides a P.megatherium Thr45 strain and an application thereof. The preservation number of the Thr45 strain is GDMCC No: 67316. The P.megatherium Thr45 strain has the advantages that the preservation number is CGMCC No: 67316; the application of the P.megatherium in the prevention and treatment of the growth of the Orobanche cucurbitae is reported for the first time, and the types of bacterial strains for preventing and treating the Orobanche cucurbitae are enriched. According to the application of the Pristia megaterium Thr45 provided by the invention in preventing and treating the growth of the Orobanche cucurbitae, the inhibition rate of the separated strain fermentation liquor on the seed germination of the Orobanche cucurbitae is as high as 100%, and the application has a wide application value in biological prevention and treatment of the Orobanche cucurbitae.

The invention aims to provide a K8s and Slurm hybrid deployment management and control method, and particularly relates to a Kubernetes and Slurm hybrid deployment management and control method based on dynamic resource awareness. According to the method, an intelligent node agent (Node Agent) is introduced, trend prediction is carried out according to the real-time water level and historical load characteristics, and therefore refined resource arbitration is carried out on K8s (online) and Slurm (offline) on the Linux Cgroup level. According to the method, the problems of resource conflict and invisibility of heterogeneous scheduling systems (K8s and Slurm) during hybrid deployment at the same node are solved, the problem of performance interference between online services and offline operations is solved, the resource utilization rate is maximized, and meanwhile, the quality of service (QoS) of the online services is ensured. The system has higher stability and safety and anti-interference performance at a micro-architecture level.

The application discloses a kind of electromagnetic relay electromagnetic attraction test method and positioning fixture, the method is positioned by positioning fixture to the electromagnetic part of the electromagnetic relay to be measured, the clearance between armature and yoke of the electromagnetic part of the electromagnetic relay to be measured is positioned in the clearance range required by the electromagnetic relay to be measured;Electromagnetic attraction is generated by the coil of electromagnetic part to load excitation, and armature is operated, the excitation value corresponding to the moment of armature operation is compared with threshold value gradually increasing from small by coil loading excitation, meets threshold value requirement, and the electromagnetic attraction of the electromagnetic part of the electromagnetic relay to be measured meets the requirement.The electromagnetic attraction test method used in the present application positions the electromagnetic part of the electromagnetic relay to be tested, and the clearance between armature and yoke is the clearance required by the product, the force tested is more in line with actual production, and whether the electromagnetic attraction of magnetic circuit part meets the requirement of final product can be effectively judged.

A method for preparing a multi-component polyimide resin includes the steps of first preparing polyimide acid (PAA) and then preparing the multi-component polyimide resin. The multi-component polyimide resin employs a unique molecular structure design, which endows the material with excellent heat resistance. It exhibits superior heat resistance, maintaining structural stability and performance unchanged at high temperatures, which is particularly important for temperature-sensitive fields such as aerospace and electronic packaging.

This invention relates to the field of concrete admixtures, specifically to an anti-mud polycarboxylate superplasticizer, its preparation method, and its application. The anti-mud polycarboxylate superplasticizer provided by this invention comprises, by weight, the following raw materials: 100-180 parts of unsaturated polyether monomer, 5-10 parts of unsaturated carboxylic acid monomer, 2-5 parts of air-entraining monomer, 5-10 parts of anti-mud monomer, 10-20 parts of oxidant, 0.4-0.6 parts of reducing agent, 5-7 parts of chain transfer agent, and 150-300 parts of water; the air-entraining monomer and the anti-mud monomer have specific structures. The simultaneous introduction of specific anti-mud monomers and air-entraining monomers into the anti-mud polycarboxylate superplasticizer of this invention not only reduces clay adsorption but also provides better dispersibility and anti-mud effect at lower dosages, increasing the overall workability of concrete and improving concrete performance.

The invention belongs to the field of organic functional molecules and organic polymer functional materials, and particularly relates to a reactive aggregation luminescent flame-retardant organic functional material and a preparation method thereof. A flame-retardant group DOPO is introduced into molecules containing an aggregation-induced emission TPE group, the flame-retardant group DOPO which simultaneously contains the TPE group with aggregation-induced emission performance and a flame-retardant function in the structure is designed and synthesized, and the flame-retardant group DOPO has good flame-retardant performance while the aggregation-induced emission function is guaranteed.

The application provides a multifunctional liquid detection method based on array tag coupling interference suppression, which comprises the following steps: arranging an RFID tag array and an RFID reading device on both sides of the liquid to be detected within a set range; collecting a radio frequency signal to obtain original signal data affected by the liquid dielectric constant and mutual coupling effect between the tags; obtaining preprocessed signals; processing the preprocessed signals by using a coupling interference suppression algorithm, modeling and quantifying the mutual coupling effect, stripping the signal distortion caused by the mutual coupling effect from the preprocessed signals, and obtaining pure signal eigenvalues; and inputting the signal eigenvalues into a pre-trained classification and recognition model to obtain the type or concentration detection result of the liquid to be detected; by eliminating the main interference source of the multi-tag sensing, the extracted signal characteristics can more truly reflect the dielectric properties of the liquid, thereby greatly improving the detection accuracy and significantly improving the detection precision and resolution.

The invention relates to a user-side load-oriented optimal scheduling method, which belongs to the technical field of energy scheduling and intelligent power grids, and comprises the following steps of: constructing a household micro-grid model containing electric equipment and HVAC, establishing an HVAC thermodynamic model based on building heat balance, describing room temperature change in combination with meteorological and building parameters, and establishing an HVAC thermodynamic model based on the HVAC thermodynamic model. Classification modeling of the rigid load and the flexible load is completed; a multi-objective optimization framework with thermal comfort, power consumption behavior deviation and economy as objectives is constructed, human body thermal perception is quantified by adopting a PMV index based on a Fanger model, and dynamic coupling of scheduling and comfort is realized; hVAC scheduling is modeled as MDP, and double TD3 is introduced to realize continuous power and mode control; an integer programming model is constructed for a flexible uninterrupted load, and a starting time slot is optimized through a rolling time domain strategy, so that overall load coordinated scheduling is realized. According to the invention, the resource utilization efficiency and the load scheduling flexibility of the household micro-grid are obviously improved.

The invention belongs to the technical field of composite materials, and provides a heat and humidity resistant PEEK composite material and a preparation method thereof, the heat and humidity resistant PEEK composite material comprises the following raw materials by weight: 85-110 parts of PEEK; 5 to 15 parts of polytetrafluoroethylene; 5 to 15 parts of carbon fiber; 5 to 10 parts of modified montmorillonite; 0.5 to 2 parts of a compatilizer; and 0.1 to 0.5 part of an antioxidant. The preparation method comprises the following steps: putting PEEK and polytetrafluoroethylene into a drying oven for drying, then adding the dried PEEK and polytetrafluoroethylene, carbon fibers, modified montmorillonite and an antioxidant into a high-speed mixer for mixing, and uniformly mixing to obtain a mixture; the preparation method comprises the following steps: mixing the raw materials, adding the mixture into a double-screw extruder, extruding and granulating, cooling, and drying to finally prepare the PEEK composite material, while maintaining excellent friction resistance and mechanical properties, the heat and humidity resistance is obviously improved, and the PEEK composite material has a wide application value.

The application relates to a TBM water conveying tunnel lining steel pipe installation and transportation equipment and a transportation and installation method, which comprises a track transportation system, a transfer system, a wheeled transportation system, an installation butt joint device and a temporary support type steel, wherein the track transportation system is arranged in a drill-and-blast tunnel section, the transfer system is arranged at the junction of the drill-and-blast tunnel section and a pipe piece tunnel section; the wheeled transportation system is arranged on the pipe; the installation butt joint device is arranged at the end of the lined section; the track transportation system and the transfer system share the same set of tracks at the intersection; the TBM water conveying tunnel lining steel pipe installation construction with an engineering quantity less than 1 km can be facilitated, the construction efficiency is improved, and the cost is reduced.

The utility model belongs to the field of valves, and particularly relates to a proportional pressure reducing valve. The utility model provides a proportional pressure reducing valve which is reliable to use. The throttling valve comprises a valve body and a valve element, a valve cavity is formed in the valve body, an inlet is formed in the lower portion of the valve body, an outlet is formed in the upper portion of the valve body, and the inlet and the outlet are both communicated with the valve cavity, and is characterized in that a throttling section is arranged between the inlet and the outlet in the valve cavity, and a throttling sleeve assembly is arranged in the throttling section and comprises a plurality of throttling sleeve bodies which are connected in series up and down; an opening groove is formed in the lower side in the throttling sleeve body, a throttling hole is formed in the upper side in the throttling sleeve body, and the diameter of the throttling hole is smaller than that of the opening groove; the valve rod is provided with a throttling body corresponding to each throttling sleeve body, and each throttling body comprises a conical section and a throttling column section; and the conical section corresponds to the open slot of the throttling sleeve body.

This invention provides a light-oxygen dual-transfer membrane, its preparation method, and its application. The preparation method of the light-oxygen dual-transfer membrane includes the following steps: (1) PVDF, organic solvent, and pore-forming agent are added sequentially to a container, stirred at 60℃-80℃ for 5-7 hours, and degassed under negative pressure to obtain PVDF casting solution; (2) PDMS and curing agent are added sequentially to a container, stirred evenly at 20-25℃, and allowed to stand to degassed to obtain PDMS casting solution; (3) PVDF casting solution is coated onto a glass plate, then placed in a cleaning tank to rinse off the organic solvent and pore-forming agent, and dried to obtain an initial membrane; (4) PDMS casting solution is coated onto the reverse side of the initial membrane, placed at room temperature for 2-4 hours, and dried to obtain the light-oxygen dual-transfer membrane. The method of this invention is simple and convenient, and the obtained membrane has a simple structure and possesses both light transmittance and air permeability.

This application discloses a spraying control method, electronic device, and machine-readable storage medium, relating to the field of agricultural production technology. The method includes: acquiring environmental parameters and image information of a target area; based on the environmental parameters, obtaining first growth state prediction information of the object to be sprayed through a first prediction model; based on the image information, obtaining second growth state prediction information of the object to be sprayed through a second prediction model; fusing the first and second growth state prediction information to obtain co-growth state prediction information of the object to be sprayed; identifying the distribution information of the object to be sprayed in the target area based on the image information; and controlling the spraying equipment to perform spraying operations according to the co-growth state prediction information and the distribution information. The accuracy of growth state prediction is improved through dual-model prediction and fusion, and differentiated spraying control is achieved by combining distribution information, thereby improving the precision and efficiency of agricultural spraying operations.

According to the preparation process of the environment-friendly ENF-grade fireproof plate, firstly, glue solution urea-formaldehyde resin and melamine formaldehyde resin are modified, then the glue solution urea-formaldehyde resin and the melamine formaldehyde resin are mixed according to the proportion of 5: 5 to form mixed glue solution, and the prepared fireproof plate is good in surface abrasion resistance and bonding strength. And the plant negative oxygen ion extracting solution is added, so that the prepared fireproof plate has the effects of reducing aldehyde and releasing negative oxygen ions. Then, chitosan is used for modifying glass fibers, then the adhesive film paper, the non-woven fabric and the modified glass fibers are impregnated, the fireproof plate can release formaldehyde capable of being volatilized under the high-temperature effect of hot pressing, and the remaining formaldehyde is purified through the formaldehyde purifying function of the newly-added plant negative oxygen ion extracting solution; and finally, the formaldehyde emission of the produced fireproof plate reaches the ENF level.

This invention belongs to the field of lithium battery electrolyte technology, specifically relating to a high-safety, long-life, high-energy lithium battery locally high-concentration electrolyte and its application. The locally high-concentration electrolyte of this invention comprises lithium salt, solvent, and diluent, providing a battery-grade, highly safe lithium salt-solvent-diluent combination system. Adding additives further enhances the specific capacity and improves long-term cycle performance of the lithium battery. This locally high-concentration electrolyte not only significantly improves the overall safety performance of the lithium battery but also enables high-energy-density lithium-ion batteries to maintain high capacity and long lifespan under high-voltage (greater than 4.2V) charging cutoff voltage, making it highly valuable for applications in flame-retardant lithium batteries.

The invention belongs to the field of agricultural biotechnology engineering, and discloses a rice salt tolerance site qSST8 as well as a molecular marker and application thereof. The molecular marker is a site qSST8 which is located at 6577904 bp of a chromosome 8 and is remarkably related to salt tolerance, and the salt tolerance of a germplasm carrying A nucleotide allelic variation at the site is extremely remarkably higher than that of a germplasm carrying G nucleotide allelic variation. The method for identifying the salt tolerance of the rice is verified to be accurate and reliable.

The utility model discloses a special installation pipe fitting for stainless steel corrugated hose for gas delivery, which is designed based on GB / T26002-2025 standard and used for connecting indoor gas delivery pipeline of commercial and residential users. The pipe fitting is composed of a threaded connecting piece, a long-life sealing gasket, a fastening snap ring and a compression sleeve. Except the sealing gasket, the rest components are made of metal material, which can form low-resistance electrical connection of the gas pipeline and reduce the risk of failure caused by leakage of the burner. The fastening snap ring is connected at three equal points of a circular ring. After installation and fastening, the point connection points are automatically separated, which makes the pipe fitting not be disassembled again. This can prevent users from disassembling the pipe fitting privately and causing safety accidents, and ensure the reliability and safety of the connection of the gas delivery pipeline.

The invention discloses a basketball action identity recognition method based on contour and skeleton feature fusion, which comprises the following steps: firstly, extracting a human body contour map in each frame of image by adopting an HRNet model, extracting corresponding skeleton key point information by adopting an AlphaPose model, and respectively constructing a contour map and a skeleton map; secondly, carrying out normalization processing on the image data so as to enhance the robustness and comparability of features; then, a double-branch neural network is designed to carry out deep extraction on contour features and skeleton features, a space fusion module and a time fusion module are introduced to carry out feature fusion on the contour features and the skeleton features, and complementary enhancement between different modal information is achieved through joint modeling of fine-grained body parts; and finally, the fused features are used for basketball action identity recognition. According to the method, the accuracy and robustness of action and identity recognition of the basketball player in a complex motion scene are effectively improved, and the method has a good application prospect.

The invention discloses a device and a method for automatically identifying a near-dry state of a solution in a small chamber. The device comprises a camera, an annular light source, a base, a heating part, a photoelectric sensor and a temperature sensor, the heating part is located on the base, and the camera and the circumferential light source are located at the top of the heating part; the annular light source emits a light beam with a specific wavelength to vertically irradiate a sample solution in the heating part, the photoelectric sensor receives a transmission light signal / reflection light signal penetrating through the solution, and the temperature sensor synchronously collects the temperature of the heating part. The method is suitable for a radioactive metal oxide powder sample pretreatment scene. The method can objectively and accurately judge that the solution is evaporated and concentrated to the nearly dry state in real time, and manual intervention is not needed.

The utility model provides a temperature-control color-changing aluminum-plastic plate coating structure, which belongs to the technical field of building materials and comprises a mounting frame, a clamping groove arranged on one side of the mounting frame, a clamping tenon fixedly mounted on the other side of the mounting frame, a base plate fixedly connected to the inner wall of the mounting frame and a reinforcing rib fixedly mounted in an inner cavity of the base plate. And the coating assembly is arranged on the surface of the substrate. Rapid installation and firm connection are achieved through the design of the clamping grooves and the clamping tenons of the installation frame, the strength and stability of the whole structure are enhanced through the reinforcing ribs in the inner cavity of the base plate, and deformation or damage is prevented; the coating assembly comprises an epoxy resin bottom coating, a thermochromic layer, a polyurethane protection layer and a nano silicon dioxide anti-pollution layer which respectively provide excellent corrosion resistance, temperature sensing color changing function, wear resistance, impact resistance and self-cleaning capability, and the aluminum-plastic panel has decoration, functionality, durability and maintainability due to the design of the multi-layer structure; the system is suitable for various indoor and outdoor occasions and has wide application value.

The invention provides a traditional Chinese medicine composition for strengthening spleen, tonifying kidney and enhancing immunity and a preparation method thereof, and the traditional Chinese medicine composition for strengthening spleen, tonifying kidney and enhancing immunity is mainly prepared from the following raw materials in parts by mass: 15-25 parts of ginseng, 4-15 parts of schisandra chinensis, 2-10 parts of radix ophiopogonis, 1-5 parts of rhodiola rosea, 3-10 parts of honey and 1-2 parts of silkworm chrysalis. According to the traditional Chinese medicine composition for strengthening the spleen, tonifying the kidney and enhancing the immunity, through compatibility of the medicines, the purposes of strengthening the spleen, tonifying the kidney and enhancing the autoimmunity are achieved.

The application provides a universal sandstone rock physical modeling method, which comprises the following steps: step 1, collecting and clarifying reservoir data of a target layer in a work area, and determining the geological background of the work area; step 2, calculating the elastic modulus of a non-diagenetic sandstone reservoir based on a granular medium theory model according to logging physical parameters; step 3, calculating the elastic modulus of a strong diagenetic sandstone reservoir based on an equivalent medium theory model according to logging physical parameters; and step 4, constructing a universal rock elastic modulus calculation final equivalent elastic modulus for sandstone. The universal sandstone rock physical modeling method has wide applicability to sandstone and can be used to describe sandstone reservoirs with different porosities and different diagenetic degrees. The universal sandstone rock physical modeling method has wide application value in geophysical exploration and development.

The invention belongs to the technical field of genetic engineering and synthetic biology, and particularly relates to a discontinuous paired homologous arm mediated Red / ET homologous recombination method and application thereof. According to the method, a discontinuous paired homologous arm mediated homologous recombination engineering technology is utilized, and the method is essentially different from traditional Red / ET type recombinase mediated continuous homologous arm homologous recombination. Experiments prove that the method can be applied to modular gene cluster transformation of non-ribosome polypeptide synthetase (NRPS), the transformation efficiency of the NRPS is remarkably improved, the transformation success rate of natural products synthesized by the NRPS is further greatly improved, and a key technical support is provided for fully releasing the application potential of the active natural products. Therefore, the method is not only an innovation and an effective supplement of the existing Red / ET class editing method, but also an ideal expansion of the current genetic engineering technology system, and has good practicability and wide application value.

This invention discloses a serogroup B meningococcal vaccine and its application. The serogroup B meningococcal vaccine contains one or more recombinant proteins with amino acid sequences as shown in SEQ ID NO:1-7. The vaccine against serogroup B meningococcus of this invention induces a strong humoral immune response and broad-spectrum protective efficacy. Compared with existing technologies, the vaccine against serogroup B meningococcus of this invention has high antibody titers and broad protective efficacy. It has broad application value and positive social benefits in preventing diseases caused by serogroup B meningococcus infection and alleviating severe cases.

This application discloses a quality control device and method for grouting construction of pre-pile jacket-type embedded rock pile foundations, relating to the field of offshore wind power foundation construction technology. The device includes a flexible measuring component, a temperature sensing and signal transmission component, and a temperature data acquisition and storage device. A counterweight is installed at the end of the flexible measuring component. The flexible measuring component is fixedly connected to the temperature sensing and signal transmission component. One end of the temperature sensing and signal transmission component has a temperature sensing end, and the other end is connected to the temperature data acquisition and storage device. The ambient temperature is monitored in real time by the temperature sensing end. The type of medium is determined by the temperature gradient between the hydration heat of the grout and the seawater. Combined with the depth data provided by the flexible measuring component, dual verification of depth measurement and temperature judgment is achieved, accurately determining the location of the grout, avoiding sediment cover and mud interference, ensuring that the measurement results truly reflect the grouting height, and guaranteeing the bearing capacity of the pile foundation.

The application provides a method for image restoration based on a generative adversarial network, which is based on a U-Net and an attention mechanism, uses an improved U-Net to extract large-range and multi-scale feature information, uses an attention mechanism network to obtain global feature information, and through verification, the restoration algorithm has better restoration effect and has wide application value.

The invention relates to a TMD detection model based on voice time-frequency feature fusion, and a construction method and system thereof, and the model comprises a time sequence feature extraction module which is used for extracting the time sequence features of a voice signal according to MFCC features; the frequency domain global feature embedding module is used for embedding the acoustic features related to the TMD in the frequency domain of the voice signal into the time sequence features; the classification module is used for judging whether the patient corresponding to the voice signal is a TMD patient or not; speech signals are extracted, MFCC features and acoustic features of the speech signals of a TMD patient and a non-TMD patient are input into a time sequence feature extraction module and a frequency domain global feature embedding module respectively, an initial TMD detection model is trained, and a TMD detection model used for detection is obtained; according to the method, the overall feature expression capability is enhanced, and the accuracy and robustness of the TMD detection model are remarkably improved, so that the recognition effect of the TMD detection model on TMD-related voice anomalies is improved, and pathological information hidden in voice signals can be more comprehensively mined.

The application discloses a preparation method of an intrinsically flame-retardant high-elasticity styrene-acrylic emulsion, which comprises the following steps: preparing a phosphorus-nitrogen integrated functional compound by using glycine, polyformaldehyde and dimethyl phosphite as raw materials; performing acyl chloride modification on the phosphorus-nitrogen integrated functional compound by using sulfoxide chloride; preparing a high-flexibility flame-retardant monomer by reacting the acyl chloride modified phosphorus-nitrogen integrated functional compound with a phenolic hydroxyl cashew phenol; and finally preparing the flame-retardant high-elasticity styrene-acrylic emulsion by reacting the high-flexibility flame-retardant monomer, styrene, butyl acrylate and acrylic acid in a cationic etherified starch aqueous solution. The emulsion has the multiple advantages of flame retardation, high elasticity, soap-free, water resistance and the like, is green and environment-friendly, low in cost, and has a wide application value.