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155results about How to "Easy to optimize" patented technology

Engineering safety video generation method and system based on generative large model

The invention discloses an engineering safety video generation method and system based on a generative large model. The method comprises the following steps of obtaining an application field and a theme requirement of a required engineering safety video; on the basis of application fields and theme requirements, a retrieval enhancement generation mechanism is adopted to retrieve in the multi-modal knowledge base to obtain related data, and a large language model is utilized to generate a training script copywriting; extracting cue words from the training script copywriting, and based on the cue words, generating a corresponding image by using a diffusion model; and converting the training script copywriting into an explanation audio, and finally synthesizing a virtual explanation video with synchronous mouth shapes by an audio driving model. The method can be suitable for a plurality of engineering scenes such as buildings, mining industry, tunnels, high-altitude operation and the like, has the characteristics of process automation, high content specialty, high generation efficiency and high cross-scene adaptability, and effectively improves the production efficiency and training effect of engineering safety education videos.
Owner:CHONGQING UNIV

A coal tar pitch-based nickel catalyst, its preparation method and application

This invention provides a coal tar pitch-based nickel catalyst, its preparation method, and its application, belonging to the field of solid waste resource recycling and synthetic carbon materials technology. This invention uses a mixed roasting method to prepare a coal tar pitch-based nickel catalyst with micropores and mesopores from the residual coal tar pitch after coal tar extraction. The synergistic effect of active nickel as an active site and the functional groups on the support surface significantly improves its catalytic liquefaction performance, exhibiting the advantages of "low cost, high temperature resistance, and strong adaptability." The preparation method provided by this invention not only offers an effective way for the high-value recycling of coal tar pitch but also provides a low-cost material for green conversion, environmental governance, catalysis, and other fields. It represents a green resource utilization strategy with significant economic and environmental benefits and broad commercial prospects.
Owner:XINJIANG UNIVERSITY

Bionic artificial stomach device based on electrostatic hydraulic drive and application thereof

The application provides a kind of bionic artificial stomach device based on electrostatic hydraulic drive and its application, belong to bionic medical instrument technical field.The device includes flexible bionic stomach cavity, composite peristaltic wave drive module including multiple electrostatic hydraulic drive units and programmable control module.Programmable control module applies high voltage electric signal to each electrostatic hydraulic drive unit according to preset timing, drive flexible bionic stomach cavity outer wall to produce continuous, distributed surface contraction deformation, to form annular advancing peristaltic wave propagating from fundus to antrum.The application realizes continuous surface driving of flexible interface through electrostatic hydraulic effect, solves the problem of unreasonable contact mode, discontinuous peristalsis and mechanical distortion in the prior art, improves the physiological relevance of in-vitro simulation of gastric mechanics, digestion process and drug transport.
Owner:WUHAN TEXTILE UNIV

A candidate drug ranking method and system based on topological coding supervised reconstruction

PendingCN122658467AImprove the ability to identify high-order mechanismsImprove robustnessAlgorithmPharmaceutical drug
The application discloses a candidate drug ranking method and system based on topological coding supervision reconstruction, and belongs to the field of bioinformatics. The method comprises the following steps: step S1, obtaining drug design data; step S2, constructing a drug-biological entity association matrix; step S3, calculating a drug side topological matrix for describing the connection relationship between drugs and a biological entity side topological matrix for describing the connection relationship between biological entities according to the association matrix; step S4, constructing a finite-order topological filter and a spectral stable topological filter to form a bidirectional topological evidence field; step S5, obtaining a reconstruction supervision matrix through a supervised reconstruction objective function; and step S6, obtaining candidate drug ranking based on the reconstruction supervision matrix. The application can improve the high-order mechanism recognition ability, robustness and interpretability in drug-target prediction, drug repositioning, candidate molecule screening and molecular generation result ranking.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Cleaning agent raw material tank capable of filtering

The utility model discloses a filterable cleaning agent raw material tank which comprises a tank body and a material receiving filter groove, the bottom of the tank body is conical and is provided with a discharging port, a feeding port is formed in the outer side surface of the tank body and located at a through hole, an elbow is arranged on the inner wall of the tank body and located at the through hole, and the material receiving filter groove is formed in the inner wall of the tank body and located below the elbow. The material receiving and filtering device is reasonable in structure, raw materials fall into the material receiving and filtering tank through the feeding port and the elbow feeding port, impurities are left in the material receiving and filtering tank through filtering of the filtering screen, the quality of the raw materials is guaranteed, the material receiving and filtering device is simple in structure and convenient to operate, and the material receiving and filtering device is suitable for popularization and application. And compared with an independent filter, the cost is greatly reduced, the processing is also simple, the improvement of a traditional raw material tank is facilitated, an inclined plate and a side baffle plate are arranged below the material receiving and filtering groove, and raw materials can flow to the inner wall of the tank body through the inclined plate, so that noise generated during feeding is avoided.
Owner:JIANGSU MATTEL INTELLIGENT MANUFACTURING TECHNOLOGY CO LTD

Rice high resistant starch molecular marker, rice mutant osbeii b gene and its identification method, application and primer

PendingCN122588280Areduce workloadShorten the cultivation cycle
The application belongs to the technical field of rice molecular genetics and breeding, and discloses a rice high-resistance starch molecular marker, a rice mutant OsBEIIb gene and an identification method, application and primer thereof. The molecular marker is AATC base deletion located at 19358023-19358026 of chromosome 2 of rice, which is significantly linked to the high-resistance starch content trait of rice grains. The application further provides a rice mutant OsBEIIb gene containing the molecular marker, and a PCR primer and a KASP gene typing primer for detecting the molecular marker. By using the molecular marker and primer of the application, the gene typing of the rice to be tested can be carried out, and the high-resistance starch rice plant containing the marker can be accurately and efficiently identified and screened. The method is simple in operation and high in throughput, can greatly shorten the breeding period of the high-resistance starch rice and reduce the breeding cost, and has important application value for functional rice germplasm innovation and variety improvement.
Owner:HUNAN HYBRID RICE RES CENT

Approximate repetition detection method and system fusing local retrieval and multi-dimensional decision

The invention discloses an approximate repetition detection method and system fusing local retrieval and multi-dimensional decision. The method comprises the steps that a to-be-detected document is preprocessed, and text content and service meta-information are extracted; utilizing MinHash to generate a compact signature; quickly recalling a candidate set from a massive historical library through an LSH index; adopting a paragraph-level weighted Jaccard algorithm to accurately calculate the structural similarity between the candidate document and the document to be detected; when the similarity exceeds a threshold value, intelligent decision making is carried out according to a preset priority chain considering multi-dimensional business rules such as release mechanism levels and time, and finally reserved documents are determined; and recording the structured audit log in the whole process for tracing. The method realizes approximate repetition detection with high recall, high precision, low time consumption and interpretable and auditing decision process, and is especially suitable for massive de-duplication scenes of strong normative texts such as government affair official documents, news announcements and the like.
Owner:BEIJING FANGCUN WUYOU TECH DEV CO LTD

Lyocell material with controlled whiteness by hydrogen peroxide treatment and manufacturing method thereof

ActivePL4339358T3Easy to optimizehigh whiteness
The present disclosure relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow, and may replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
Owner:KOLON INDUSTRIES INC +1

Vehicle simulation speed correction method and system

PendingCN122286955Arelatively small errorImprove dynamic tracking performanceVehicle dynamicsDynamic models
This invention provides a vehicle simulation speed correction method and system, relating to the field of vehicle intelligent dynamics modeling technology. The correction method includes the following steps: S1: Input and process simulation data output from the vehicle dynamics simulation model and corresponding real vehicle test data; S2: Construct a dynamic graph structure representing the interaction between state variables based on a preset physical coupling relationship of the vehicle powertrain; S3: Input the simulation data into a GCN and perform graph convolution operations under the constraints of the dynamic graph structure to extract graph embedding feature sequences representing the spatial dependencies between state variables; S4: Input the graph embedding feature sequences into a TCN and perform temporal convolution operations to learn the dynamic evolution law of state variables in the time dimension and output the correction amount of the vehicle simulation speed; S5: Output the result. Based on this, this invention solves the problem that existing correction methods have various limitations in practical applications.
Owner:CHINA AGRI UNIV

Positioning and binding equipment for orthopedic reduction and fixation

The invention relates to the field of medical instruments, in particular to a positioning and binding device for orthopedic reduction fixation, which comprises a bottom shell, positioning grooves are formed in the front side and the rear side of the upper end of the bottom shell, slave insertion holes are formed in the inner walls of the two sides of the front portion and the rear portion of the bottom shell, and first combination rings are fixedly connected to the outer walls of the two sides of the bottom shell. A carrying block is fixedly connected to the inner wall of the middle of the lower end of the bottom shell, and a covering mechanism is installed at the upper end of the bottom shell. The two locking mechanisms are arranged in the bottom shell, in the using process, rotating discs of the two locking mechanisms are twisted, then locking ropes are continuously twisted, the clamping plates are tightly bound to the limbs of a patient through the two locking ropes, the rotating discs are clamped in clamping grooves in the top disc in the fixing process, the locking ropes are kept in a locked state, and therefore the patient can be fixed conveniently. And in the later period of loosening, only the rotating plate needs to be rotated out of the clamping groove, the rotating disc is rotated reversely, and the process is convenient.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Medical inquiry logic chain generation and verification method and system based on large language model

The application discloses a medical inquiry logic chain generation and verification method and system based on a large language model, relates to the technical field of artificial intelligence, and comprises the following steps: S1, generating a logic chain framework, constructing a medical inquiry logic chain generation model, and embedding a structured logic template and professional knowledge constraints in a large language model as a core engine; S2, designing a two-dimension multi-level verification framework to automatically check the consistency and medical rationality of the generated corpus logic chain; and S3, designing an evaluation index system and a dynamic optimization strategy, grading and marking the problem corpus identified in the verification, and performing corresponding correction, so that the correction result is fed back to the model training link to optimize the logic chain generation rule. Through NLP technology, a language model generation mechanism, medical knowledge structure analysis and an intelligent verification algorithm, the quality, the degree of structuring and the application value of the medical inquiry data set in an intelligent inquiry system are improved, and high-quality and controllable professional corpus support is provided.
Owner:CHONGQING MEDICAL UNIVERSITY

Power transmission line crawling robot lifting self-adaptive shake suppression control method and system

The invention relates to the technical field of electric power inspection and maintenance robot control, and discloses a power transmission line crawling robot lifting self-adaptive shake suppression control method and system. The method comprises the following steps: acquiring three-axis acceleration and three-axis angular velocity data of a robot platform, calculating a yaw angle and an angular velocity of the robot platform relative to a vertical balance position, and constructing an evaluation index representing the shaking strength of the platform; according to the shake strength evaluation index, driving parameters of a lifting motor are dynamically adjusted through a nonlinear mapping relation; and the swing period and phase of the robot platform are monitored, and when the platform swings to a specific phase point, an instantaneous driving pulse is applied to a lifting motor to consume swing energy. By means of the method, the maximum swing angle of the robot platform can be reduced by 60% or above, the static time after the robot platform reaches the target position is shortened by 70% or above, and the working efficiency is remarkably improved.
Owner:SUZHOU POWER SUPPLY COMPANY OF STATE GRID ANHUI PROVINCE ELECTRIC POWER

Thin oil treatment process flow analog simulation method and device, medium and equipment

The invention relates to the technical field of oil development, and discloses a thin oil treatment process flow analog simulation method and device, a medium and equipment. The method comprises the following steps: establishing a mechanism calculation model of each sub-device in a thin oil treatment process flow; associating the mechanism calculation model of each sub-device, and calling a function to perform coupling calculation; different initial conditions are set, and the change process of technological parameters in the production process during component change is simulated; setting a plurality of input conditions, and initializing analog simulation based on the input conditions to control component change; and performing analog simulation to obtain a simulation result. According to the method, a set of complete thin oil treatment process flow analog simulation method is constructed, the dynamic analog simulation process of the thin oil treatment process flow is realized, and real-time calculation of simulated dynamic working conditions is realized; according to the method, verification can be carried out before actual use, the effect after adjustment and existing potential safety hazards can be directly reflected before an optimization scheme is implemented, and the field process is convenient to adjust.
Owner:PETROCHINA CO LTD

A modular installation method for large scale stacker reclaimers

The application discloses a modular installation method for a large-scale stacker-reclaimer, which comprises the following steps: S1, modular design: the structure of the stacker-reclaimer is divided into several module units, and the size and weight of each module unit are suitable for the road and hoisting equipment on site; S2, factory manufacturing and pre-assembly: the module units are divided according to the division of the module units in a factory or a pre-assembly site; S3, module splitting and transportation, and the components transported to the site are assembled according to the modules; S4, module hoisting; S5, three-dimensional measurement and installation adjustment: a large-scale stacker-reclaimer installation construction process is monitored by using a drone, a three-dimensional installation model is established, and the spatial dimensions of the stacker-reclaimer are detected through the model; the module units after hoisting are checked and adjusted to ensure the consistency and stability of the module units and the whole structure; the method provided by the application improves construction efficiency, reduces construction period, reduces cost, increases flexibility, and provides maintainability and upgradability.
Owner:MCC5 GROUP SHANGHAI CORPORATION LIMITED

A UAV wing flutter analysis method, device, equipment and medium for a scheme design stage

This application discloses a method, apparatus, equipment, and medium for flutter analysis of UAV wings during the design phase, relating to the field of aircraft design. The method includes: generating a first component by calling a corresponding structural component simulation model from a finite element structure module library based on the shape parameters of the wing to be analyzed; constructing a skin finite element mesh model based on the first component; determining the installation position of a second component at the node positions of the skin finite element mesh model; generating the second component by calling a corresponding structural component simulation model from the finite element structure module library; installing the second component at the corresponding node positions of the skin finite element mesh model based on the installation position to obtain a target wing model; performing aerodynamic modeling using the skin finite element mesh model to obtain a flutter calculation file; performing flutter analysis based on the flutter calculation file and the target wing model; and optimizing the wing to be analyzed that has a flutter risk based on the flutter analysis results. This application shortens the UAV design cycle.
Owner:AVIC (CHENGDU) UAS CO LTD

Detachable infusion support for DSA equipment

The utility model provides a detachable infusion support for DSA equipment, which comprises an infusion support main body, the infusion support main body comprises a rod piece, a hook and an infusion pump tray, the hook is arranged at the top end of the rod piece, and the infusion pump tray is movably arranged on the rod piece; the fixing assembly comprises a movable transverse rod and a plurality of buckling pieces, and the rod pieces are movably installed on the movable transverse rod. When an operation needs to be carried out in a DSA equipment operating room, the buckle piece in the fixing assembly is fixed to a transverse rod on the side of a DSA equipment bed body, when a patient needs to be transferred, the buckle piece is installed on the transverse rod of a transfer bed to be transferred along with the patient, and in the transfer process, the hook and the infusion pump are static relative to a sickbed; the situation that a needle falls off due to relative movement of the infusion support and a sickbed in the transfer process is avoided; the device not only can be used for hanging liquid, but also can be used for placing an infusion pump, and can be detachably mounted on DSA equipment or a bed body, so that operations or transfer and the like are facilitated, and the situations that an infusion needle falls off and the like are reduced.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Wireless communication spectrum space digital twinning method

The invention discloses a wireless communication spectrum space digital twinning method, which comprises the following steps of: generating basic static channel characteristics under a given environment model and a base station deployment condition; wherein the static channel characteristics comprise a path loss distribution characteristic, a shadow fading characteristic and a multipath propagation characteristic; associating the static channel feature with target vehicle information, and generating a single-frame channel feature when a vehicle exists; and capturing dynamic evolution information of channel characteristics in a vehicle movement process, and expanding the single-frame channel characteristics into sequential dynamic channel characteristics to obtain a digital twinborn model of a dynamic scene spectrum space. According to the method, the influence of a dynamic blocking body can be further considered on the basis of static channel generation, channel feature generation in a dynamic environment is realized, and the reality sense and application applicability of digital twinning are remarkably improved.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Integrated mask circuit generation and detection method and platform

This invention belongs to the field of integrated mask circuit generation technology, and provides a method and platform for generating and detecting integrated mask circuits. The method involves obtaining an S-box configuration file, parsing it, extracting the S-box, generating hardware circuits from the extracted S-box, and obtaining an S-box file. A test environment is constructed based on the S-box file, and corresponding test stimulus files are generated. Behavioral-level simulation is performed in the test environment, and simulation logs are recorded. The simulation logs are parsed to determine whether the S-box design is functionally correct. The RTL-level design of the S-box file is converted into a gate-level netlist based on the target technology library, generating a netlist file and an area report. Timing verification and power estimation are performed under preset timing and load constraints, generating timing and power reports respectively. Multiple reports are synthesized, key performance indicators are extracted, structured, and a comprehensive evaluation report is generated. This invention can improve the design efficiency, reliability, and overall performance of mask circuits.
Owner:SHANDONG UNIV

Process and device for the continuous preparation of 2,6-difluorobenzonitrile under mild conditions

This invention discloses a process and apparatus for the continuous fluorination preparation of 2,6-dichlorobenzonitrile under mild conditions. The apparatus includes sequentially connected units for 2,6-dichlorobenzonitrile preparation, raw material preparation, online dehydration, continuous metering feeding, continuous reaction, and post-treatment, with a supporting control system for precise parameter control. The process first involves the continuous preparation and purification of 2,6-dichlorobenzonitrile at 70–90℃ and 0.1–0.3 MPa. Then, a raw material solution and a fluorination suspension are prepared and deeply dehydrated. Subsequently, a continuous fluorination reaction is carried out at 80–150℃ and 0.1–1.0 MPa. Finally, the finished product is obtained through post-treatment. This invention achieves continuous production throughout the entire process, with mild reaction conditions, a solvent recovery rate ≥95%, a finished product purity ≥99.8%, high production efficiency, low cost, wide equipment adaptability, and easy industrialization.
Owner:HUBEI NEW SULAI NEW MATERIAL CO LTD

Electric hair drier with multifunctional air outlet flow guide accessory

The electric hair drier with the multifunctional air outlet flow guide accessory comprises an electric hair drier body, and an air inlet end part and an air blowing end part are formed on the electric hair drier body; a control circuit board assembly; the high-speed fan blade motor is arranged on the electric hair drier body; the blue light lamp is arranged in the electric hair drier body; the blowing end part can be detachably connected and matched with any one of the functional air outlet accessories; the functional air outlet accessories at least comprise a first air outlet accessory and a second air outlet accessory; the first air outlet accessory comprises a first flow guide air duct, a light-transmitting sleeve and an air outlet end cover, the first flow guide air duct is made of a light-transmitting material, the light-transmitting sleeve is made of a non-light-transmitting material, and a light-transmitting hole is formed in the light-transmitting sleeve; the second air outlet accessory is used for containing the volatilization piece. The air conditioner is provided with a plurality of functional air outlet accessories which can be matched with the air outlet end parts, and the functional air outlet accessories have different functions, so that diversified using effects are provided for users.
Owner:NINGBO RYACA ELECTRICAL CO LTD

Platform rotating handle adjusting mechanism for two-wheeled vehicle

ActiveCN224075700UShorten debugging cycleEasy to testSteering deviceControl engineeringControl theory
The utility model relates to a two-wheeled vehicle platform rotating handle adjusting mechanism which comprises a rotating handle mounting rod, a sliding rail, a longitudinal rotating mechanism and an axial rotating mechanism. The axial rotating mechanism comprises a rotating handle base, a first steering engine support and a second steering engine, a sliding block is arranged at the lower end of the rotating handle base, a first installation opening is formed in the upper end of the rotating handle base, the second steering engine is installed in the first installation opening, the second steering engine is covered with the first steering engine support, and the output end of the second steering engine is connected with the two sides in the first steering engine support. A connecting column is further arranged at the upper end of the rotating handle base, and the sliding block is connected to the sliding rail in a sliding mode. A second installation opening is formed in the side edge, away from the second connecting rod, of the first steering engine support. The longitudinal rotating mechanism comprises a third steering engine and a second steering engine support, the third steering engine is installed in the second installation opening, the second steering engine support covers the third steering engine, the output end of the third steering engine is connected with the two sides of the interior of the second steering engine support, and the other end of the second steering engine support is fixedly connected with a rotating handle installation rod.
Owner:NINE TECH CO LTD

Preparation method of fluralana synthesis intermediate

The invention relates to the technical field of pesticide intermediates, in particular to a preparation method of a fluralan synthetic intermediate, which comprises the following synthetic route: taking parachloroaniline as an initial raw material, and carrying out acylation reaction on parachloroaniline and pivaloyl chloride in an alkaline solvent to generate a compound 2; performing chlorination reaction on the compound 2 and a chlorinating agent to generate a compound 3; reacting the compound 3 with magnesium in a nitrogen environment to obtain a Grignard reagent intermediate compound 4; reacting the compound 4 with a trifluoroacetic acid derivative to obtain a compound 5; reacting the compound 5 with concentrated hydrochloric acid to obtain a compound 6; generating a compound 7 from the compound 6 under the action of a chlorinating agent; and finally, synthesizing the compound 7 into a compound 8 under the action of a nitrite reagent. The preparation method has the advantages of safe operation, few by-products, mild conditions, easily available raw materials and simple optimization, and is more suitable for industrial large-scale production.
Owner:CHONGQING PUYOU PHARM CO LTD

A ferrous metallurgical rolling product welding apparatus

The application provides a ferrous metal smelting and rolling product welding device, which comprises a workbench, a welding mechanism fixedly connected to the middle of the workbench, two circular grooves formed on the surface of the workbench, and an adjusting mechanism fixedly connected to the inside of the grooves; a limiting mechanism fixedly connected to the top of a panel, and a circular pipe connected to the inside of the limiting mechanism; an extension rod connected to a connecting rod at the upper part of the extension rod, a rotating rod connected to the connecting rod through a rotating shaft, and a gun head connected to the head of the rotating rod; the adjusting mechanism is arranged on both sides of the welding mechanism, the limiting mechanism and the fixing mechanism are connected to the top of the adjusting mechanism, the rotating direction of a workpiece is adjusted by the adjusting mechanism, the device can not only butt joint two straight workpieces, but also weld two workpieces with a certain included angle, the limiting mechanism and the fixing mechanism are suitable for circular pipe workpieces with different diameters and can clamp other shaped workpieces, and the normal welding work is facilitated.
Owner:ANHUI KEHONG NEW MATERIALS TECHNOLOGY CO LTD

Carrying device and material box conveying equipment

The utility model provides a carrying device and material box conveying equipment, and relates to the technical field of solar cell manufacturing. The carrying device comprises a base, a moving assembly and a clamping jaw assembly. The moving assembly is arranged on the base and at least used for driving the clamping jaw assembly to move relative to the base. The clamping jaw assembly comprises a fixed plate and a plurality of movable jaws, and the fixed plate is arranged on the moving assembly; the multiple movable claws are movably arranged on the fixing plate and at least used for carrying the material boxes. The material box conveying equipment comprises a conveying device and a carrying device, the conveying device is provided with a receding opening, and the receding opening is at least used for being arranged corresponding to the material box so that at least part of the movable claw can abut against the bottom face of the material box from the position below the material box through the receding opening. The carrying device and the material box conveying equipment provided by the embodiment of the utility model are used for carrying the battery piece material boxes, and the problem that simplicity and high efficiency are difficult to consider in existing carrying operation can be solved.
Owner:ANHUI HUASUN ENERGY CO LTD +1

Auxiliary hoisting device for bridge installation construction

The application relates to an auxiliary hoisting device for bridge installation construction, which comprises a support frame in a U-shaped structure, trusses symmetrically installed on the upper end of the support frame, a moving frame symmetrically and slidingly arranged on the upper end of the two trusses, the moving frame being in a rectangular hollow structure and being used for longitudinal movement on the upper end of the trusses, a winding module slidingly arranged on the upper end of the moving frame, a steel wire being wound on the winding module, the winding module being used for winding the steel wire and driving the steel wire to move transversely on the moving frame, a detection and cleaning module installed on the lower end of the winding module, the steel wire passing through the detection and cleaning module, the detection and cleaning module being used for detecting, cleaning and maintaining the steel wire, and a hoisting frame installed on the end of the steel wire. The bridge material can be hoisted, and the steel wire can be detected, cleaned and protected.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD +1

A method for preparing substituted aminoethanol

This invention provides a method for preparing substituted aminoethanols in the field of pharmaceutical and chemical synthesis technology. It employs a continuous flow reaction process, using the corresponding substituted amine and ethylene oxide as raw materials, reacting in a tubular fixed bed packed with solid superacid resin supported on cerium nitrate. This significantly improves the selectivity of the monohydroxyethylation reaction. It overcomes the drawback of traditional processes where ethylene oxide easily undergoes a chain reaction with the substituted amine, generating polyhydroxyethyl substituted amine byproducts and polyether byproducts. The process achieves inherent safety in the preparation of substituted aminoethanols, representing a significant improvement and innovation over existing technologies. It is particularly suitable for industrial applications and has excellent potential for widespread adoption.
Owner:GAOYOU CITY ORGANIC CHEM FACOTRY

Satellite-borne receiving device and signal receiving method for resisting malicious interference of uplink of LEO satellite

PendingCN121940010AAchieve interference cancellationReduce interference energySpatial transmit diversityTelecommunicationsInterference cancelation
The invention relates to a satellite-borne receiving device and a signal receiving method for resisting malicious interference of an LEO satellite uplink. The satellite-borne receiving device comprises a beam forming network which is used for generating an LEO satellite beam pointing to a target area, receiving an uplink signal sent by a user, reducing the dimension of the uplink signal into an N-dimensional link receiving signal and outputting the N-dimensional link receiving signal; and the square phase shifter network is used for performing interference elimination on the received signals of the links, generating processing signals of the corresponding links and outputting the processing signals to the digital processing unit for signal estimation, and the processing signals output by each link are aggregation of the received signals of all the links after phase shifting. According to the invention, the analog front end with a two-stage structure is designed, so that the function decoupling of beam forming and interference elimination is realized, the interference is completely eliminated at the analog front end, and the algorithm complexity is reduced at the same time.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

A test run management system for automotive temperature sensors

The application discloses a kind of test operation management systems suitable for automobile temperature sensor, belong to automobile temperature sensor test evaluation technical field, the application is by static test module, dynamic test module respectively to temperature sensor by static to dynamic many aspects are tested, rely on static test obtains temperature sensor in stable condition under temperature difference float value, voltage difference float value, and comprehensive analysis will test object be divided into qualified object and object to be detected, that is, before carrying out dynamic test, screening is carried out, then rely on dynamic test obtains temperature sensor in unstable condition under normal thermal response coefficient, normal linear coefficient, and dynamic performance coefficient is generated from the two, whether the performance detection of qualified object meets the requirement according to dynamic performance coefficient is judged and analyzed, in addition, in the process of testing, abnormal test results are checked and analyzed by static investigation module, dynamic analysis module, effectively improve test accuracy.
Owner:WUXI SENCOCH SEMICON CO LTD

A Method and System for Knee Meniscus Injury Detection Integrating Multi-Sequence and Contrastive Learning

This invention provides a method and system for detecting knee meniscus injuries by integrating multi-sequence and contrastive learning, comprising: acquiring multi-sequence MRI training images and images to be detected of the knee joint; performing preprocessing and registration; inputting the preprocessed multi-sequence MRI training images into a feature encoding network based on contrastive learning for feature learning to obtain pre-training weights and optimize parameters; constructing a multi-sequence fusion detection model and loading the pre-training weights; optimizing the parameters of the multi-sequence fusion detection model using labeled data and a detection loss function; inputting the knee joint multi-sequence MRI images to be detected into the optimized multi-sequence fusion detection model to obtain the localization and classification results of the injury. The beneficial effects of this invention are: addressing the core challenges in knee meniscus injury detection, such as the scarcity of high-quality labeled data, insufficient utilization of multi-sequence information, and difficulty in detecting subtle injuries, this invention proposes a systematic solution.
Owner:JIANGSU SHIYU INTELLIGENT MEDICAL TECH CO LTD

Charged particle tracking calculation method

PendingCN121958712AGuaranteed approximate solutionConvenient way to join from outsideDesign optimisation/simulationComplex mathematical operationsParticle physicsQuantum electrodynamics
The invention discloses a charged particle tracking calculation method, which comprises the following steps: S1, based on the position and momentum of each particle in a current time step particle group, calculating a combined action field of all other particles except a to-be-calculated particle A in the particle group on the particle A; s2, superposing an external electric field and an external magnetic field to the combined action field to obtain a total electric field and a total magnetic field of the particles A; s3, solving the position and momentum of the particle A in the current time step under the total electric field and the total magnetic field; s4, traversing the particle group, replacing the particles to be calculated, and repeating the steps S1 to S3 to obtain the position and momentum of each particle in the particle group at the current time step; and S5, taking the position and the momentum of each particle in the current time step obtained in the step S4 as an initial state of calculation of the next time step, returning to the step S1, and continuously performing iterative calculation to generate a motion trail of the particle cluster.
Owner:XIAN INSTITUE OF SPACE RADIO TECH