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32results about How to "Improve athletic ability" patented technology

Thioether cross-linked solid polymer electrolyte membrane as well as preparation method and application thereof

PendingCN121983662AFacilitate dissociationlower activation energySecondary cellsPolymer scienceAcyl group
The invention relates to the technical field of electrolyte, in particular to a thioether cross-linked solid polymer electrolyte membrane as well as a preparation method and application thereof. The preparation method comprises the following steps: taking N, N-dimethylformamide, respectively adding 3, 6-dioxa-1, 8-octane dithiol and triglycidyl isocyanurate, and uniformly stirring to obtain a mixed solution; adding bis (trifluoromethylsulfonyl) imide lithium into the mixed solution, putting magnetons on a magnetic stirrer, and completely dissolving the magnetons to obtain a precursor solution; and pouring a proper amount of the precursor solution into a polytetrafluoroethylene mold, spreading, and carrying out cross-linking polymerization in a blast oven to form the film. The three-dimensional thioether cross-linked network structure has a large number of weakly coordinated thioether groups, dissociation of lithium salt can be promoted, a large number of free Li < + > is generated, the number of Li < + > is increased, meanwhile, the crystallinity of a polymer is remarkably reduced, the ionic conductivity is improved, the mechanical stability of a film can be improved, and the service life of a battery is effectively prolonged.
Owner:WUHAN TEXTILE UNIV

Cationic remote grafting type polycarbazole anion exchange membrane and preparation method thereof

PendingCN121964732Aimprove athletic abilityLimit excessive swellingFuel cellsPolyelectrolyteFuel cells
The invention relates to the technical field of anion exchange membrane fuel cells, in particular to a cation remote grafting type polycarbazole anion exchange membrane and a preparation method thereof. The membrane is prepared by the following steps: condensing N-(4-bromobutyl) carbazole, N-alkyl carbazole and 2, 3-butanedione to obtain a polymer skeleton, then carrying out Menshutkin reaction on the polymer skeleton and cations to obtain polyelectrolyte, and finally carrying out ion exchange on the polyelectrolyte and sodium hydroxide. Wherein the main chain of the polymer has no unstable ether bond, so that the membrane has strong alkali resistance. The flexible overhanging side chain improves dimensional stability and increases polarity differences. Cations are grafted away from a framework, the alkali resistance of the membrane is improved, the service life is prolonged, hydrophilic / hydrophobic microphase separation is enhanced, an ion transmission channel is formed, and the ion conductivity is high. The membrane has good mechanical strength and flexibility, the tensile strength reaches 55.34 MPa, the elongation at break reaches 22.49%, the application requirements of fuel cells are met, and the membrane has excellent thermal stability and wide application prospects in alkaline anion exchange membrane fuel cells.
Owner:SHANDONG PETROCHEMICAL INST

A smart watch-based exercise heart rate monitoring method and device

The present application relates to the field of heart rate monitoring, and particularly relates to a method and device for monitoring heart rate during exercise based on a smart watch. The method comprises the following steps: obtaining geographical position information of a user based on a smart watch, identifying a user exercise scene, and generating an exercise scene type; collecting original heart rate detection parameters, performing time series heart rate feature analysis, and constructing a heart rate feature set; performing deep exercise mode recognition on the exercise scene type and the heart rate feature set, and obtaining a user exercise mode; performing global heart rate situation awareness on the heart rate feature set, and constructing a global heart rate situation map; and performing comprehensive risk assessment and self-adaptive early warning decision-making on the global heart rate situation map according to the user exercise mode. The present application realizes self-adaptive analysis of a user heart rate state, and improves user exercise safety assessment efficiency and accuracy.
Owner:SHENZHEN SMART CARE TECH LTD +1

A solvent-free phenolated lignin-based polyurethane elastomer, and a preparation method and application thereof

ActiveCN119505149BIncrease the phenolic hydroxyl contenteasy to preparePolyurethane elastomerPolymer science
The application discloses a solvent-free phenolated lignin-based polyurethane elastomer and a preparation method and application thereof. A phenolated lignin with high phenolic hydroxyl content is prepared first, and then the phenolated lignin is dispersed in a polyol, and a lignin-based polyurethane elastomer rich in dynamic phenol-type urethane bonds is synthesized by using a one-step solvent-free method, and the synthesis process is green and simple. The phenolated lignin has a lower molecular weight, a higher hydroxyl content and a higher reactivity, and the polyurethane elastomer synthesized by using the phenolated lignin has a double dynamic crosslinking network composed of a phenol-type urethane network and a hydrogen bond crosslinking network. The obtained solvent-free phenolated lignin-based polyurethane elastomer has excellent mechanical properties, reprocessing properties, light-heat self-healing properties and thermal-oxidative aging resistance. The contradiction between the mechanical properties and dynamic mechanical properties of traditional polyurethane elastomers is solved, and a new idea is provided for developing green and multifunctional polyurethane elastomers in future industrial fields.
Owner:SOUTH CHINA UNIV OF TECH +1

Tensioning integral bionic robot

The utility model relates to the technical field of biomimetic robots, in particular to a tensegrity biomimetic robot which comprises a first pressing rod, a second pressing rod, a third pressing rod, a fourth pressing rod, a fifth pressing rod, a sixth pressing rod, a plurality of drivers and a controller, the controller is located in the middle of a geometry formed by the pressing rods and electrically connected with the drivers, and inhaul cable assemblies are further installed between the drivers. According to the bionic robot, various forms can be changed, and the adaptability of the bionic robot is improved.
Owner:刘沁阳

A room-temperature self-healing electromagnetic shielding hydrogel composite material and its preparation method

This invention discloses a room-temperature self-healing electromagnetic shielding hydrogel composite material and its preparation method, belonging to the field of composite material technology. The composite material uses polyvinyl alcohol containing aryl indole groups and conductive materials as raw materials, and ferric chloride and borax as crosslinking agents. Based on the steric hindrance effect introduced by the large-volume groups and the multiple dynamic bonds constructed in the system, this invention enables the composite material to exhibit highly efficient self-healing ability, high mechanical strength, and excellent electromagnetic interference shielding performance at room temperature. Through repeated wetting and drying treatments, the electromagnetic shielding efficiency of the hydrogel can be reversibly switched between on / off states, making it suitable for applications in flexible electronics and intelligent shielding, thus solving the problem that traditional hydrogel materials struggle to simultaneously achieve self-healing performance, mechanical strength, and electromagnetic shielding effectiveness.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Polymethyl methacrylate article and method of making the same

PendingCN122255645AGuaranteed light transmissionImprove the interface binding forcePolyesterPolymer science
The application provides a polymethyl methacrylate product and a preparation method thereof. The preparation method of the polymethyl methacrylate product comprises the following steps: S1. mixing a resin matrix, a toughening agent, an antioxidant and a light stabilizer to obtain a mixture; the resin matrix comprises a polymethyl methacrylate resin; the toughening agent comprises a core-shell structure toughening agent and a polyester-based toughening agent; the core-shell structure toughening agent comprises a core and a shell layer; the core comprises polybutyl acrylate, and the shell layer comprises polymethyl methacrylate; S2. melt blending, extruding and granulating the mixture, and drying, injection molding, cooling and annealing. In the application, the core-shell structure toughening agent and the polyester-based toughening agent can synergistically improve the toughening effect.
Owner:CHONGQING ZHIZAIFANG TECHNOLOGY CO LTD +1

A rotating handle structure and riding machine

ActiveCN224421872Uimprove athletic abilityAdd funBody balanceBall bearing
This utility model discloses a rotatable handle structure and a riding machine, belonging to the technical field of fitness equipment. It includes a handle, a support rod, and a connecting structure connecting the handle and the support rod. The connecting handle is rotatably mounted on the support rod via the connecting structure. The connecting structure includes a thrust ball bearing and a threaded locking component. Under the action of the threaded locking component, the upper and lower sides of the thrust ball bearing respectively contact the handle and the support rod. Compared with the existing fixed handle structure, the rotatable handle structure of this utility model allows users to simulate turning or adjusting body balance by rotating the handle during simulated horseback riding, thereby increasing the effectiveness and enjoyment of the exercise.
Owner:JIANGSU KANGLIYUAN FITNESS EQUIP CO LTD

Joint module and robot

PendingCN121946587Areduce volumeSimple assembly structureJointsBrushless motorsControl engineering
The invention discloses a joint module and a robot, and relates to the technical field of robotics.The joint module comprises a power output part and a two-stage planetary speed reducing mechanism integrated in the power output part, and the power output part and the two-stage planetary speed reducing mechanism are in axial positioning fit through a built-in limiting structure; wherein the two-stage planetary speed reducing mechanism is provided with an integrated common gear ring, a second-stage sun gear of the two-stage planetary speed reducing mechanism is of a hollow cavity structure, and the hollow cavity structure is configured to be an assembly containing space of the built-in limiting structure. The two-stage planetary speed reduction mechanism is integrally integrated in the internal containing space of the outer rotor type brushless motor, the two-stage planetary speed reduction mechanism and the outer rotor type brushless motor are coaxially and integrally arranged to form a compact integrated structure, the overall size of the joint module is greatly reduced, the design requirement for miniaturization of a robot is met, an external speed reduction component does not need to be additionally arranged, and cost is reduced. And the assembly structure of the robot joint is simplified.
Owner:NANCHANG SANRUI INTELLIGENT TECH CO LTD

A human-machine collaborative motion control method for a distributed drive and rear-wheel steering electric vehicle

ActiveCN117734458Bimprove athletic abilityImprove human-machine collaborative motion control performanceSpeed controllerDriver/operatorControl objective
The present application relates to a kind of man-machine collaborative motion control methods for distributed drive and rear wheel steering electric vehicle, comprising the following steps: the input steering information of driver is identified as steering intent result;Vehicle reference model is designed, and expected reference state is designed;Driving-steering collaborative controller for distributed drive and rear wheel steering electric vehicle is designed, including upper controller and lower controller;By solving upper controller, the optimal additional rear wheel angle and additional yaw moment are obtained;The optimal additional yaw moment is distributed by the lower controller, and four-wheel additional torque is obtained;The four-wheel additional torque is sent to electric vehicle four-wheel hub motor as control command, and the collaborative control to vehicle is realized.Compared with prior art, the present application has the advantages of matching vehicle control target with driver operation, improving man-machine collaborative motion control performance for driver-vehicle closed loop, etc.
Owner:TONGJI UNIV

New use of eucommia ulmoides male flower pollen and / or eucommia ulmoides male flower and composition comprising same

The application discloses a new use of pollen of eucommia ulmoides male flowers or eucommia ulmoides male flowers and a composition containing the same. The composition provided by the application has reasonable components and nutrients, and has the effects of improving sperm quality and improving male reproductive function.
Owner:INSTITUTE OF CHINESE MATERIA MEDICA CHINA ACADEMY OF CHINESE MEDICAL SCIENCES

Earthworm-like biomimetic robot based on shape memory alloy and magnetic field

ActiveCN117207208Bshorten the working cycleimprove athletic abilityProgramme-controlled manipulatorShape-memory alloyAssistive robotics
This application discloses a worm-inspired robot based on shape memory alloy and magnetic field, belonging to the field of soft robot technology. It not only shortens the contraction cycle and improves work efficiency but also achieves free steering and expands its application range. The robot includes at least one main structure; the main structure includes a bellows, a telescopic column structure, two magnet plates, two fixing rings, and multiple helical shape memory alloy wires; each end of the bellows is connected to a magnet plate via a fixing ring, and the two magnet plates are arranged facing each other with the same poles; the middle of the helical shape memory alloy wires passes through the bellows, and both ends are connected to corresponding fixing rings, with multiple helical shape memory alloy wires evenly distributed along the circumference of the bellows; the helical shape memory alloy wires contract and return to their helical state when energized; the telescopic column structure is located inside the bellows, and its two ends can provide different levels of resistance to the robot, thereby assisting the robot in moving forward or turning.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Floating rear suspension kart chassis structure

ActiveCN224409390UStable operationImprove stabilityVehicle frameDriver/operator
A floating rear suspension kart frame structure, including frame, the bottom tail end of frame is detachably rotatably connected with rear suspension, the rear suspension and frame are connected with shock absorber, the rear suspension and frame are supported under the initial state of shock absorber and make the tail end of rear suspension deflects a predetermined angle and sets up as inclined structure, the tail end of frame is connected with mounting plate above rear suspension, mounting plate is fixed with battery compartment for installing battery, and battery compartment is inclinedly arranged with low front and high back.The utility model discloses compact structure, through using floating rear suspension structure, effectively increases rear shock stroke, improves the comfort and motion performance of vehicle in the process of driving, and the battery compartment is inclinedly installed on the back of frame by using shock absorption and other soft connection mode, can better reduce the vibration of frame acting on battery, prolongs the service life of battery, and the compact and practical frame structure optimizes space arrangement, increases ceiling frame simultaneously, and strengthens the protection for driver.
Owner:JINYUN KAYO MOTOR MACHINERY

Polyimide prepolymer resins containing silicon and cardo structures and methods for making the same

ActiveCN117304484BSmall bulk densityImprove solubility
The application provides a kind of polyimide prepolymer resin containing silicon and Cardo structure and a preparation method thereof, and belongs to the field of material science.The preparation method is as follows: firstly, a mixture of a synthesized structure-symmetrical diamine monomer containing silicon and Cardo structure, a commercially available structure-symmetrical dianhydride monomer and an active end-capping agent is subjected to a polymerization reaction in a suitable organic solvent;secondly, a thermosetting polyimide resin glue liquid containing a dehydration cyclization is obtained;finally, a post-treatment is performed to obtain a target product, and the molecular structure is as follows:the application has a wide melt processing window, low melt viscosity and good melt stability;no crosslinking agent needs to be added during crosslinking and curing, no volatile substances are generated, and the synthesized resin has few defects;the performance can be adjusted and controlled, has good processing technology, is low in cost and easy to industrialize.
Owner:DALIAN UNIV OF TECH

Preparation method of natural bamboo fiber for superfine spinning

PendingCN122039225AEfficient removalincrease the lengthMechanical fibre separationFibre treatment to obtain bast fibreSILK SERICINHeat setting
The invention discloses a preparation method of raw bamboo fibers for superfine spinning, and belongs to the technical field of bamboo fibers.The method comprises the following steps of bamboo chip pretreatment, steam explosion, enzyme treatment, ultrasonic dispersion-carding refining, strengthening treatment and damp and hot setting. The strengthening treatment method comprises the following steps: immersing enzyme-treated bamboo fibers into a sericin aqueous solution, carrying out vacuum impregnation for 40-50 minutes, taking out the enzyme-treated bamboo fibers, controlling water until discontinuous dripping is realized, then immersing the enzyme-treated bamboo fibers into a CaCl2 solution, oscillating for 10-15 minutes, taking out the enzyme-treated bamboo fibers, controlling water until discontinuous dripping is realized, immersing the enzyme-treated bamboo fibers into a NaHCO3 solution, oscillating for 20-30 minutes, taking out the enzyme-treated bamboo fibers, washing the enzyme-treated bamboo fibers with water for 2-3 times, dehydrating until the water content is 30-35%, and drying the enzyme-treated bamboo fibers. Reinforced bamboo fibers are obtained; according to the method, the fineness of the natural bamboo fibers is reduced, meanwhile, it is guaranteed that the strength performance is not reduced, the average length of the fibers is increased, and meanwhile the natural bamboo fibers have certain toughness and size stability and high wet strength retention rate.
Owner:ZHEJIANG QINGSHI NEW MATERIAL TECHNOLOGY CO LTD

Variable-stiffness metatarsophalangeal joint based on torsion spring and connecting rod combination and foot type robot

PendingCN121990077Aachieve decouplingCompact and lightweightVehiclesTorsion springCounter rotation
The invention relates to a variable-rigidity metatarsophalangeal joint based on torsion spring and connecting rod combination and a foot type robot. The variable-rigidity metatarsophalangeal joint comprises a rear sole, a front sole, a metatarsophalangeal joint rotating shaft, a torsion spring, a connecting rod, a supporting and pulling rod and a driving module. The front sole is rotationally connected with the rear sole through a metatarsophalangeal joint rotating shaft; the supporting and pulling rod is connected to the driving module and the connecting rod, the metatarsophalangeal joint rotating shaft is sleeved with a spring ring of the torsional spring, the torsional spring is hinged to the other end of the connecting rod, and the other end of the torsional spring is connected with the forefoot; the driving module is fixedly arranged on the rear sole and used for driving the supporting and pulling rod to reciprocate along the rear sole. The supporting pull rod slides to drive a spring coil of the torsional spring to rotate forwards or reversely around a metatarsophalangeal joint rotating shaft through the connecting rod, and the front foot sole is driven to do back stretching or plantar flexion movement relative to the rear foot sole. The supporting and pulling rod enables the torsion spring to generate different torsion angles when the front sole bears external force at different sliding positions, the rigidity of metatarsophalangeal joints is changed, back stretching and plantar flexion movement can be actively achieved, and meanwhile the rigidity and angle adjusting capacity is achieved.
Owner:SUPER ROBOT RESEARCH INSTITUTE (HUANGPU) +1

Probe for space confinement method biomarker detection and preparation method thereof

PendingCN121954946AFlexible adjustment of space distributionHigh detection sensitivityFluorescence/phosphorescenceMicrofluidicsMagnetic bead
The invention belongs to the technical field of sensor probes, and particularly discloses a probe for biomarker detection through a space confinement method and a preparation method of the probe. The preparation method of the probe for detecting the biomarker by the space confinement method comprises the step of mixing aptamer functionalized magnetic bead dispersion liquid and porous nanogold dispersion liquid to obtain the probe for detecting the biomarker by the space confinement method. The probe disclosed by the invention can be used for constructing a space confinement detection method which is simple to use, can be freely adjusted and does not need a micro-cavity and a micro-channel, and is applied to an aptamer functionalized magnetic bead detection system; the problems that in the actual operation process of an existing microfluidic confinement detection method, the size of a needed sample is large, the detection sensitivity is low, and the flexibility is poor are solved.
Owner:JINAN UNIVERSITY +1

Hyperbranched polyimide embedding material as well as preparation method and application thereof

PendingCN121991397Aimprove athletic abilityImprove extraction abilityBulk chemical productionPolymer scienceEnd-group
The invention belongs to the technical field of high-performance polymer materials and advanced micro-packaging, and relates to a hyperbranched polyimide embedding material as well as a preparation method and application thereof. The method comprises the following steps: dropwise adding a prepared hyperbranched polyimide solution with an active group as a terminal group into a functional material to be embedded, and carrying out suction filtration and drying to obtain embedded powder; the obtained embedding powder is placed in a supercritical carbon dioxide device, the hyperbranched polyimide embedding material generates a large number of pores by regulating and controlling the temperature, pressure and time and utilizing the swelling, plasticizing and extremely strong permeation and diffusion capabilities of supercritical carbon dioxide to hyperbranched polyimide with active groups, the specific surface area of the material is increased, and the hyperbranched polyimide embedding material is prepared. Finally, the composite material with a porous structure, high embedding rate and well protected activity of functional substances is obtained. According to the hyperbranched polyimide embedding material prepared by the method, the stability of functional substances can be improved, and the compatibility with an addition system can also be improved.
Owner:JINGGANGSHAN UNIVERSITY

Polylactic acid material with stereocomplex crystallization capability and preparation method thereof

ActiveCN121975290AImprove flexibilityimprove athletic abilityPolymer scienceLactide
The invention belongs to the field of polylactic acid materials and preparation thereof, and particularly relates to a polylactic acid material with stereocomplex crystallization capacity and a preparation method of the polylactic acid material. The invention provides a preparation method of a polylactic acid material with stereocomplex crystallization capacity. The preparation method comprises the following steps: respectively initiating L-lactide and D-lactide to perform ring opening polymerization by using a functional initiator to prepare L-polylactic acid (PLLA) and D-polylactic acid (PDLA) with main chains containing amide groups; and preparing the polylactic acid material from the PLLA and the PDLA by adopting a solution blending method. In the structural formula of the functional initiator, n is an integer between 0 and 10, and m is an integer between 2 and 12. According to the invention, amide groups are introduced into main chains of PLLA and PDLA, and the interaction among chiral polylactic acid molecular chains is enhanced under the assistance of hydrogen-bond interaction formed among the amide groups, so that the stereocomplex crystallization of a high-molecular-weight polylactic acid material is effectively promoted.
Owner:SICHUAN UNIV

Vacuum gauge sensor device handling robot

This utility model discloses a robotic arm for handling vacuum gauge sensing components, comprising: a base plate with a control board and an operator; a first servo motor with a rotating disk on its upper part; a first rocker arm hinged to the rotating disk, with a second servo motor mounted on the first rocker arm; a second rocker arm hinged to the first rocker arm, with a third servo motor mounted at the hinge point; and a gripper located at the end of the second rocker arm. The base plate, first rocker arm, second rocker arm, and gripper are all made of non-metallic materials. The gripper includes a support plate, a toothed swing arm, a clamping arm, and a connecting arm. The toothed swing arms are rotatably mounted on the support plate, and the two toothed swing arms mesh with each other. One of the toothed swing arms is connected to a fourth servo motor. One end of the connecting arm is hinged to the support plate, and the other end of the connecting arm is hinged to the clamping arm. The toothed swing arm and the clamping arm are also hinged. The use of non-metallic materials provides excellent insulation and anti-static properties, effectively preventing electrostatic damage and improving operational safety when handling electrostatically sensitive components.
Owner:WUXI INSTITUTE OF TECHNOLOGY

Active compositions for organic solar cells and organic solar cells with high mechanical properties

This invention relates to the field of solar cell technology, specifically to an active composition for organic solar cells and an organic solar cell with high mechanical performance. The composition comprises an electron donor material, an electron acceptor material, and an active compound; the active compound is selected from one or more of the compounds shown in formula (Z-1), formula (Z-2), and formula (Z-3), and each group in the structure of the active compound is specifically selected. When the composition of this invention is applied to the active layer of an organic solar cell, it can significantly improve the mechanical performance of the device and reduce the performance degradation of the device. Formulas (Z-1), (Z-2), and (Z-3).
Owner:CHENGDU YICHENG NEW ENERGY TECHNOLOGY CO LTD

Four-legged robot navigation obstacle avoidance and stair climbing method and system

ActiveCN117246425BAchieve precise perception and understandingImplement navigation movementEngineeringRobotic navigation
The application provides a quadruped robot navigation obstacle avoidance and stair climbing method and system, comprising the following steps: S1, establishing a quadruped robot preset unstructured environment scene model; S2, acquiring and analyzing surrounding environment information by an on-board binocular camera, establishing a global map containing semantic information and a high-precision local elevation map centered on the robot; S3, realizing autonomous navigation obstacle avoidance of the quadruped robot according to the global map and an A* path planning algorithm; and S4, realizing movement control and stair climbing of the quadruped robot according to asymmetric Actor-Critic network training and in combination with the global map and the local elevation map to plan a landing point. The application avoids instability, falling and other problems that may occur when the quadruped robot moves in an unstructured environment, effectively solves the safety hazards of the quadruped robot moving in a complex terrain, improves the movement ability of the quadruped robot, and ensures the safety and efficiency of specific task execution.
Owner:UNIV OF SCI & TECH OF CHINA

A high-filled plant fiber reinforced epoxy plant oil-based glass-like polymer composite material and a preparation method thereof

PendingCN122587252Aimprove athletic abilityGood heat recyclability
The application discloses a kind of high filling plant fiber reinforced epoxy vegetable oil-based glass-like high molecular composite material and preparation method thereof, and is prepared according to the following steps: (1) the synthesis of aldehyde group-containing intermediate: epoxidized vegetable oil is reacted with aldehyde group-containing compound in the presence of catalyst to obtain aldehyde group-containing intermediate; (2) melt premixing: aldehyde group-containing intermediate obtained in step (1) is melt mixed with dry plant fiber at 140~180 °C; (3) prepolymer formation: diamine compound is added to the mixture of step (2), wherein the molar ratio of amino group to aldehyde group is (1.1~1.6):1, and the mixture is continuously reacted to form a prepolymer; (4) curing forming: the prepolymer obtained in step (3) is subjected to mold forming and curing treatment to obtain a composite material. The application significantly improves the comprehensive performance of epoxy vegetable oil-based composite material, and the raw material source is extensive, and the process is green and environmentally friendly, which has wide application prospect in the field of recyclable high-performance structural materials.
Owner:SOUTHWEST UNIV

An office display with automatic electrostatic dust removal

The application relates to the technical field of display, and discloses an office display with automatic electrostatic dust removal, which adopts a dust self-checking device, can irradiate the screen with linear infrared light parallel to the surface of the screen, highlight the dust, receive the reflected infrared light with an infrared sensor, and form an image, so that the distribution of the dust on the screen can be analyzed, the direction of the duckbill air outlet can be adjusted, and the dust can be removed at a fixed point; in the scheme, air flow blows through a discharge comb, air is ionized by a sharp end discharge effect to generate static electricity, the air carries positive and negative charges, and the charges on the surface of the screen can be neutralized, screen static electricity is eliminated, dust is blown away, the difficulty of dust removal is reduced, and the screen is prevented from being damaged by static electricity.
Owner:SHENZHEN FACSION ELECTRONICS CO LTD

Casual shoe with anti-cracking sole

ActiveCN224084740UWill not accidentally loosenMaintain a good fitUpperBootlegsForeign matterExercise performance
The utility model discloses a pair of casual shoes with anti-cracking soles, which belongs to the technical field of shoes, comprises vamps, soles, tongues and buckle assemblies, and is characterized in that the vamps are fixedly connected onto the soles, the tongues are fixedly connected onto the vamps, the buckle assemblies are arranged on the vamps and the tongues, and the buckle assemblies are arranged on the vamps and the tongues. The buckle assembly is used for fixing the position of the shoe tongue on the vamp, so that foreign matters such as sand, pebbles or dust can be effectively prevented from entering the shoe, discomfort and pain of a foot are reduced, friction and discomfort caused by movement are reduced, the position of the foot can be better fixed, movement of the foot in the shoe during walking or running is reduced, and the safety of the shoe is improved. Better stability is provided, it is guaranteed that the shoe tongue cannot be accidentally loosened in the wearing process, the fitting degree and safety of the shoe are kept, the overall appearance and fashion sense of the shoe can be improved, foot movement during sports can be reduced, the sports performance is improved, and the injury risk is reduced.
Owner:浙江康凤鞋业有限公司

A trolley cable jacket material and method of making the same

This application relates to a trolley cable sheath material and its preparation method, belonging to the field of cable technology. The trolley cable sheath material provided in this application, by weight, comprises the following components: 100 parts PVC, 20-40 parts aconitate, 0.5-1 part UV-absorbing additive, 5-10 parts flame retardant, 0.5-2 parts lubricant, and 1-5 parts heat stabilizer. This trolley cable sheath material has good cold resistance, high temperature resistance, and UV resistance, and is safe and environmentally friendly for direct user contact. It can meet the usage scenarios of trolley cables in cold or sunny weather and with high heat generation. Furthermore, it has suitable hardness, is easy to process, and has excellent wear resistance, making it suitable as a sheath material for trolley cables.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

An in-situ polymerized solid electrolyte, its preparation method and application, and lithium metal batteries

ActiveCN122091735AThe contact interface is tight and continuousno precipitationLi-accumulatorsElectrolyte accumulators manufactureIn situ polymerizationElectrical battery
This invention relates to the field of electrochemical energy storage materials and lithium metal battery technology, specifically to an in-situ polymerized solid electrolyte, its preparation method and application, and lithium metal batteries. This in-situ polymerized solid electrolyte is prepared by heating a ring-opening polymerization reaction using 1,3-dioxolane and 1,1,1-trifluoro-2,3-epoxypropane as reactants, sodium thiosulfate as an initiator, and lithium salt and plasticizer fluoroethylene carbonate as a precursor solution. This electrolyte possesses numerous amorphous regions, which is beneficial for ion transport, enabling the formation of a self-supporting dense structure. It also ensures close contact with the electrode, resulting in a pure interface that effectively reduces interfacial impedance and avoids side reactions at the electrode interface. Furthermore, it enhances oxidation resistance, broadens the electrochemical window, and inhibits dendrite growth. While achieving good mechanical properties, it also improves the cycle stability and safety performance of the battery. It has excellent application prospects in lithium metal batteries, lithium-ion batteries, solid-state energy storage systems, or flexible electronic devices.
Owner:GUANGDONG UNIV OF TECH

Method for preparing cellulose films with different orientations and application method

The invention relates to a method for preparing cellulose films with different orientations and an application method, and belongs to the technical field of biomass-based high polymer materials. The technical problems that in the prior art, the locking effect of a cellulose strong hydrogen bond network is difficult to overcome, and high orientation degree and high crystallinity cannot be synchronously achieved under the mild condition are solved. The preparation method comprises the following steps: firstly, providing at least one raw material of micron-scale, nano-scale or regenerated cellulose to prepare a precursor, gelatinizing to form stretchable gel, performing stretching orientation according to the size of the raw material by adopting a differential proportion, and finally, putting the gel in an environment with the temperature of 40-90 DEG C and the relative humidity of 30-90% in a stretching state to perform mechanical-thermal-thermal coupling curing, thereby obtaining the cellulose / cellulose composite material. The cellulose molecular chain is promoted to be rearranged and crystallized along the orientation direction by utilizing humidity plasticizing and heat energy driving. The prepared film has high orientation degree and high crystallinity, and is suitable for the fields of high-end packaging materials, flexible electronic device substrates, biomedical materials and the like.
Owner:GUANGXI UNIV

A Control Method for Unmanned Aerial Vehicle (UAV) Suspension System Based on Input Shaping and Differential Flatness

This invention provides a control method for a UAV sling system based on input shaping and differential flatness, belonging to the field of UAV control. The method includes the following steps: First, dynamic modeling of the UAV sling system is performed; then, differential flatness is determined for the UAV sling system based on its state variables and input variables, thereby determining the UAV's reference trajectory according to the desired sling load trajectory and the UAV's yaw angle; further, zero-vibration and differential input shaping are used to process the input signals of the control system, and the UAV trajectory is controlled by the processed input signals, thereby achieving rapid balancing and attenuation of the sling load oscillations. This invention can reduce high-frequency, high-speed load oscillations caused by strong coupling between the UAV and the suspended load, improving the overall motion performance of the system.
Owner:NANJING INST OF TECH

Horse-derived anaerobic strain capable of improving athletic ability, screening method and application of horse-derived anaerobic strain

PendingCN121975650Aimprove athletic abilityavoid stress responseBacteriaMicrobiological testing/measurementBiotechnologyMicroorganism
The invention discloses a horse-derived anaerobic strain for improving athletic ability as well as a screening method and application thereof, and relates to the field of microorganisms. The invention discloses a horse-derived anaerobic strain capable of improving athletic ability, which is preserved in China General Microbiological Culture Collection Center, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is September 19, 2023, and the preservation number is CGMCC No.28469. The horse-derived anaerobic strain is classified and named as Enterococcus faecalis. The invention also discloses a screening method and application of the horse-derived anaerobic strain. The horse-derived anaerobic strain for improving the athletic ability, the screening method and the application have important guiding significance on development of probiotics of racing horses and additives of microbial feeds.
Owner:SHIHEZI UNIVERSITY