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39results about How to "Reduce structural damage" patented technology
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Paenibacillus kribbensis exopolysaccharide and application thereof in prevention and control of iridovirus disease of micropterus salmoides
PendingCN119286954Apromote growthimprove survival rateOrganic active ingredientsBacteriaDiseaseFeed additive
The invention discloses paenibacillus kribbensis exopolysaccharide and application thereof in prevention and control of iridovirus diseases of micropterus salmoides. The invention provides a paenibacillus kribbensis exopolysaccharide. The paenibacillus kribbensis exopolysaccharide is prepared from a fermentation product of a paenibacillus kribbensis space mutation delta PS04-17 strain. As a fish feed additive, the paenibacillus kribbensis exopolysaccharide has better in-vivo safety, has a promoting effect on the growth of the largemouth bass, and can promote the growth and weight gain of the largemouth bass and reduce the feed coefficient of the largemouth bass. Meanwhile, as a drug for resisting LMBV virus infection, the compound can inhibit expression of viruses in target tissues, alleviate virus-induced fish body target tissue structure damage and reduce the death rate caused by virus infection. Besides, the paenibacillus kribbensis exopolysaccharide serving as a disease-resistant immunopotentiator can maintain intestinal health of the micropterus salmoides, is simple to prepare, low in cost and easy to obtain in quantity, and provides more products and methods for prevention and control of the iridovirus disease of the micropterus salmoides.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY
Sodium-ion battery positive electrode material as well as preparation method and application thereof
PendingCN119284843AImprove structural stabilityImproved magnification performanceSecondary cellsPositive electrodesOrganic solventElectrical battery
The invention belongs to the technical field of battery materials, and particularly relates to a sodium ion battery positive electrode material and a preparation method and application thereof. The preparation method of the sodium ion battery positive electrode material provided by the invention comprises the following steps: 1) mixing a sodium source, a precursor and a hexavalent tellurium source, and carrying out first calcination to obtain a first calcined material; and 2) mixing the first calcined material obtained in the step 1), a metal selenium compound and an organic solvent, and performing second calcination to obtain the sodium-ion battery positive electrode material. The structure and interface stability of the material are effectively enhanced through a three-in-one modification strategy of doping the high-valence element Te6 + coating the metal selenium compound and adjusting the microstructure, and the obtained sodium ion battery positive electrode material is stable in structure, stable in interface and good in redox reversibility and has good rate capability and cycle performance.
Owner:GEM WUXI ENERGY MATERIAL CO LTD
GPC1 in the prevention and / or treatment of 131 I Use of inhaled internal radiation for thyroid cancer
The application provides GPC1 in preventing and / or treating 131 The application of inhaled internal radiation in causing thyroid cancer belongs to the technical field of biological medicine. The application takes GPC1 as 131 A treatment target of inhaled internal radiation in causing thyroid cancer, and finds that high expression of GPC1 can promote the proliferation, migration and invasion of thyroid cancer cells, and low GPC1 inhibits the occurrence and development of thyroid cancer. Therefore, the application provides application of a reagent for inhibiting, knocking down or knocking out GPC1 in preparation of a drug for preventing and / or treating thyroid cancer. The application also provides that deletion of GPC1 can effectively alleviate 131 The phenotypes of thyroid cancer caused by inhaled internal radiation, and GPC1 is an effective target for preventing and treating 131 Thyroid cancer caused by inhaled internal radiation.
Owner:ACADEMY OF MILITARY MEDICAL SCIENCES
Medical adhesive tape cutter
This utility model discloses a medical tape cutter, including a fixed frame, a fixing component at one end, and a cutting component slidably mounted on the fixed frame. The fixing component includes multiple sets of pins mounted thereon and multiple sets of first compression springs sleeved on their outer sides, acting on a pressure plate slidably mounted on the fixed frame, and multiple sets of chucks mounted on the top of the pins. The cutting component includes a connecting frame slidably mounted on the fixed frame via locking members rotatably mounted at both ends, a pressure seat slidably mounted on the connecting frame via multiple sets of second compression springs, and a cutting blade slidably mounted within the pressure seat and connecting frame via multiple sets of third compression springs. This medical tape cutter improves the convenience and efficiency of cutting medical tape, while reducing unnecessary structural damage to the medical tape, improving cutting stability and effect, and minimizing the risk of unnecessary personal injury to operators. It offers high flexibility and operational safety.
Owner:THE THIRD AFFILIATED HOSPITAL OF PLA NAVAL MEDICAL UNIVERSITY
Multi-row GRP pipeline backfilling method and pipeline system
PendingCN119321130Aimprove long-term stabilityStable forceEmbankmentsSoil preservationEffective solutionSoil science
The invention relates to the technical field of GRP pipeline backfilling, in particular to a multi-row GRP pipeline backfilling method and a pipeline system. The backfilling method for the multiple rows of GRP pipelines comprises the following steps that S1, local backfilling is conducted, wherein S11, triangular areas of the GRP pipelines are backfilled; s12, local backfilling is conducted on the periphery of the GRP pipeline; s13, tamping operation is conducted after each layer is backfilled in a layered mode; s14, the step S12 and the step S13 are repeated till the pipe top of the GRP pipeline is completely covered with the backfill material; s2, full backfilling is conducted, wherein the step S2 comprises the following steps that S21, the backfilling area is backfilled with undisturbed soil; s22, the backfill area is tamped; and S23, the backfill area is compacted. According to the backfilling method, by optimizing the backfilling sequence and method, an effective solution is provided for insufficient supporting performance, pipeline deviation and damage risks of the multiple rows of large-diameter GRP pipelines in the backfilling process, the construction safety and the long-term stability of the pipelines are remarkably improved, meanwhile, the construction efficiency is improved, and the construction cost is reduced. And the time and cost loss caused by reworking is reduced.
Owner:CHINA HARBOUR ENGINEERING +1
Unit splicing piece of unit screen body
ActiveCN222465006USimple processEasy to manufactureCasings/cabinets/drawers detailsIdentification meansStructural engineeringMechanical engineering
The utility model relates to a unit splicing piece of a unit screen body, which is a metal plate bending piece. The utility model discloses a display screen, which comprises a middle plate body part, a first splicing part connected with the upper part of the middle plate body part and formed by bending, a first screen body mounting part connected with the first splicing part and formed by bending, and a second splicing part connected with the lower part of the middle plate body part and formed by bending, and the screen body mounting part II is connected with the splicing part II and is formed by bending. The unit splicing piece is simple in process, convenient to manufacture, low in cost and low in error rate.
Owner:ZHEJIANG WGO PHOTOELECTRIC TECH CO LTD
Reinforcing bracket for construction of continuous beam No. 0 block
This utility model relates to the field of building construction technology, and in particular to a reinforcement bracket for the construction of the No. 0 block of a continuous beam. The reinforcement bracket for the No. 0 block of a continuous beam includes a pier, a first support plate, a support frame, a second support plate, and a first support column. The sidewall of the first support plate is connected to the pier. One end of the support frame is connected to the pier, and the other end is connected to the lower end face of the first support plate. The second support plate is located above the first support plate, and the second support plate is connected to the upper end face of the first support plate via the first support column; the sidewall of the second support plate is connected to the pier, and the second support plate is inclined towards the pier. This reinforcement bracket for the construction of the No. 0 block of a continuous beam has high stability and reliability, can improve construction efficiency, and reduce safety hazards.
Owner:ROAD & BRIDGE INT CO LTD
Construction method of water diversion installation based on semicircular steel plate pressure cofferdam without water conservancy
ActiveCN115341563BReduce structural damageavoid damageHydro energy generationBulkheads/pilesWater storageCofferdam
The present application relates to a construction method for installing a water diversion port without stopping water on a semicircular steel plate pressure cofferdam, which includes the following steps: S1, marking: marking the outer wall of the side wall of an existing water storage building where the water diversion port needs to be constructed, away from the water-facing surface, and performing strength testing on the side wall of the existing water storage building. After the strength reaches a preset value, proceed to step S2; S2, installation of the construction platform; S3, installation; S4, cutting the water diversion port: after the installation of the cofferdam steel plate is completed, the water on the inner side of the cofferdam steel plate is pumped out, and then the water diversion port is cut by static cutting. After the water diversion port is cut and the concrete waste generated by the construction is cleaned up, the construction platform is slid to the next water diversion port marking point of the water storage building and steps S3 and S4 are repeated; if there is no water diversion port cutting, the construction platform is slid to the side of the construction channel to dismantle the construction platform. The present application is relatively convenient for opening a water diversion port on the side wall of an existing water storage building.
Owner:林爱珊
A secondary battery and an electronic device
The application provides a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet and a negative electrode sheet. The positive electrode sheet comprises a positive electrode composite current collector and a positive electrode material layer arranged on at least one surface of the positive electrode composite current collector, and the positive electrode material layer comprises a positive electrode active material. The positive electrode composite current collector comprises a first polymer layer and a first metal layer and a second metal layer arranged on two surfaces of the first polymer layer, and a plurality of first through holes. The first through holes penetrate through the first polymer layer, the first metal layer and the second metal layer. At least one first through hole is filled with a first filler, and the first filler comprises a positive electrode active material. The secondary battery provided by the application reduces the amount of current collector metal, reduces the material cost, and can achieve the effect of supplementing lithium to the negative electrode sheet, alleviate the problem of lithium dissolution, improve the capacity of the secondary battery, and improve the safety performance and cycle performance of the secondary battery.
Owner:NINGDE AMPEREX TECHNOLOGY LTD
Composite laminated corrugated board
ActiveCN222349395UImprove rigidityhigh strengthSpecial paperSynthetic resin layered productscardboardGlass fiber
Owner:ZHEJIANG ANJI TIANHONG PAPER CO LTD
A flywheel energy storage experimental device
ActiveCN224286363Uprevent reversalavoid destructionMachine part testingFlywheel energy storagePhysics
This utility model provides a flywheel energy storage experimental device. The flywheel energy storage experimental device includes: a main body, which includes an anti-reverse component, a shock-absorbing component, a protective component, and a base plate. The anti-reverse component includes a device support frame fixedly mounted on the main body. A fixing block is provided on the device support frame, and a fixing ring is provided on the fixing block. An inner ring is provided inside the fixing block, and a rotating bearing is provided between the inner ring and the fixing ring. A vertical groove is formed on the fixing ring, and a limiting slider is provided inside the vertical groove. A protrusion is provided on the limiting slider, and a first elastic element for limiting the slider's reset is provided inside the vertical groove. A protrusion is installed on the inner ring, and a rotating rod is provided on the inner ring. The flywheel energy storage experimental device provided by this utility model has the effect of extending the service life of the device.
Owner:TIANHAO (HUBEI) ENERGY STORAGE CO LTD
Wind turbine generator vibration isolation structure based on adjustable acoustic metamaterial and application
PendingCN119508159AAchieving Vibration SuppressionGood vibration reduction effectMachines/enginesWind motorsIsolatorMetallic materials
The invention discloses a wind turbine generator vibration isolation structure based on an adjustable acoustic metamaterial and application. The wind turbine generator vibration isolation structure comprises a substrate, an elastic element and a tunable mass element. The substrate is made of a metal material; the elastic element is arranged on the substrate and is made of a non-metal material; and the tunable mass element is arranged on the elastic element and is made of a metal material. Compared with a traditional vibration isolator, the wind turbine generator vibration isolation structure based on the adjustable acoustic metamaterial can respond to vibration within a wide frequency range, vibration suppression of the corresponding frequency is achieved, the structure not only responds to vibration under a certain specific frequency, and even if the vibration is relatively complex, the vibration suppression effect is good. And a good vibration reduction effect can also be achieved.
Owner:CSIC HAIZHUANG WINDPOWER CO LTD
Compound traditional Chinese medicine and application thereof in preparation of medicine for resisting eimeria tenella or treating coccidiosis
PendingCN121987653AGood effecthigh activityOrganic active ingredientsAccessory food factorsBiotechnologyCrop livestock
The invention discloses a compound traditional Chinese medicine and application thereof in preparing a medicine for resisting eimeria tenella or treating coccidiosis, and relates to the technical field of livestock breeding. The compound traditional Chinese medicine comprises the following raw materials in parts by mass: 5-20 parts of hesperidin and 1-10 parts of citric acid. According to the invention, chicks are taken as experimental subjects, a chick coccidiosis model is established, and the effect of the compound traditional Chinese medicine on the chick coccidiosis is researched from the aspects of general conditions of the chicks, bloody stool conditions, coccidiocyst discharge conditions, cecum tissue lesion conditions, pathological detection, serum biochemistry, oxidation resistance detection and the like. The compound traditional Chinese medicine achieves a good anti-coccidiosis drug level, the required raw materials are low in cost, convenient to use and free of hormones and antibiotics, no toxic or side effect is caused to chickens, drug resistance cannot be caused, a new choice is provided for replacing chemical drugs for preventing and treating coccidiosis, and addition of anti-coccidiosis drugs in chicken feed is expected to be reduced or replaced.
Owner:GUANGXI UNIV
Method for predicting highest temperature and position of fire ceiling of underground inclined tunnel
PendingCN119397145AImprove the effect of early warningImprove timelinessData processing applicationsComplex mathematical operationsFlue gasFire - disasters
The invention discloses a method for predicting the highest temperature and the position of a ceiling of an underground inclined tunnel in a fire disaster, belongs to the technical field of tunnel fire safety, and solves the problem of large error of a method for determining the highest temperature and the position of the ceiling of the inclined tunnel in the fire disaster in the prior art, and the method comprises the following steps: S1, calculating a dimensionless induced wind speed; and S2, determining a flue gas flowing state according to the dimensionless induced wind speed, and calculating the position of the highest temperature of the ceiling and the highest temperature of the ceiling. Compared with the prior art, the method has the following advantages that the fire early warning capability is improved, the position of a fire source can be effectively recognized by accurately predicting the highest temperature and position of the ceiling when the fire occurs in the inclined tunnel, important reference is provided for rescue workers, and the timeliness and accuracy of fire emergency response are enhanced. The highest temperature of the ceiling and the position of the ceiling are predicted, protection measures can be taken in time or in advance, damage of fire to the tunnel structure is reduced, and the service life of the tunnel is prolonged.
Owner:CHONGQING UNIV
Batteriepack
A battery pack includes a plurality of battery modules, a battery pack case engaged to hold the plurality of battery modules and structured to provide an accommodating space in which the plurality of battery modules are accommodated, wherein the battery pack case includes one or more reinforcing frames structured to partition the accommodating space into subspaces in which the plurality of battery modules are held, one or more protective covers respectively coupled to the one or more reinforcing frames to cover part of each battery module and part of each reinforcing frame, and one or more bus bars coupled to the one or more protective covers and structured to electrically connect the plurality of battery modules.
Owner:SK ON CO LTD
A type of scaly MoO 2 / Mo 2 C@Poplar catkin biomass carbon composite material and its application
ActiveCN116936762Baddress social hazardsWide variety of sourcesMaterial nanotechnologyCell electrodesElectrical batteryHigh energy
This invention belongs to the field of functional material preparation, and particularly relates to a flake-like MoO2. 2 / Mo 2 C@poplar catkin biomass carbon composite material and its application: scaly MoO2 was prepared by a method of poplar catkin carbonization-impregnation with molybdate-calcination in an inert atmosphere. 2 / Mo 2 C@poplar catkin biomass carbon composite material, and further calcined the material in air to prepare hollow tubular MoO 3 The materials and synthesis methods are simple and easy to implement. The materials obtained in this invention exhibit excellent performance as anode materials for lithium-ion batteries and cathode carrier materials for lithium-sulfur batteries, which is beneficial for the preparation of high-energy-density electrode materials. Moreover, the preparation method is inexpensive and can simultaneously solve the harm caused by poplar catkins, realizing the high-value utilization of poplar catkins.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Shock insulation support with self-resetting function
ActiveCN224063666Uimprove securityImprove stabilityProtective buildings/sheltersShock proofingArchitectural engineeringShock absorber
The utility model discloses a shock insulation support with a self-resetting function, which relates to the technical field of constructional engineering and comprises an anti-falling beam, a mounting plate and a shock insulation mechanism. The mounting plate is fixedly arranged at the top of the anti-falling beam, a connecting component is fixedly arranged at the top of the mounting plate, and a shock isolation mechanism for counteracting transverse displacement is arranged in the anti-falling beam. The anti-falling beam is driven to swing through displacement of the upper structure of the building, the supporting base swings on the friction face along with the anti-falling beam to consume energy, the damper additionally consumes energy through an internal mechanism, the anti-falling beam and the damper jointly provide buffering protection for the building, safety and stability of the building in an earthquake are enhanced, structural damage and casualty risks are reduced, and safety of the building is guaranteed.
Owner:PUYANG PLANNING & ARCHITECTURAL DESIGN INST CO LTD
A reinforced double U-shaped cold-formed thin-walled steel-wood composite beam-column node
ActiveCN112854454Brich varietyEasy to get materialsLoad-supporting elementsMortise and tenonWood plank
A reinforced double-jointed U-shaped cold-bent thin-walled steel-wood composite beam-column node comprises a wooden column, a first rectangular steel-wood composite beam, a second rectangular steel-wood composite beam and a steel-wood reinforcement component, wherein a mortise and tenon space is reserved at the beam-column connection of the wooden column; the steel-wood composite beam comprises a first rectangular steel-wood composite beam, and the second rectangular steel-wood composite beam is composed of two U-shaped cold-bent thin steel components and four wooden boards, and the first and second steel-wood composite beams are placed in the wooden column through mortise and tenon connection; the steel-wood reinforcement component comprises a steel connector with a square tube bracket, a wooden strut, and a wooden pad, wherein one end of the strut is embedded in the square tube of the steel connector, and the other end has a tenon embedded in a hole reserved at the bottom of the pad, and the pad is overlapped with the top of the pad and the steel beam to play an auxiliary supporting role for the steel beam. The present invention adopts a combination of U-shaped cold-bent steel components and wooden blocks to greatly improve the bearing capacity and bending stiffness of the beam, and at the same time, the combined structure makes the mortise and tenon method of the beam diversified, more convenient and stable.
Owner:SHENYANG JIANZHU UNIVERSITY
Preparation method of catalytic cracking catalyst
PendingCN121755248Areduce chlorine contentImprove cracking capacityCatalytic crackingMolecular sieve catalystsMolecular sievePtru catalyst
The invention relates to a preparation method of a catalytic cracking catalyst. The method comprises the following steps: carrying out contact treatment on a NaY molecular sieve and a rare earth salt solution or a mixed solution of the rare earth salt solution and an ammonium salt solution, filtering and washing to obtain preparation raw materials including the rare earth-containing NaY molecular sieve, an inorganic oxide binder and natural minerals, mixing, pulping and molding; carrying out deacidification treatment on the formed catalyst, so that the content of Cl <-> on the basis of the catalyst is reduced to be less than or equal to 1.5 wt%; and performing hydrothermal roasting treatment on the deacidified molded catalyst in an atmosphere environment in which pressure is applied externally and an aqueous solution containing an acidic substance or an alkaline substance is added externally, and removing alkali metal through ammonium exchange. According to the method, under the condition that the chlorine content in the catalyst is reduced, the damage of a large amount of released hydrochloric acid gas to a rare earth NaY molecular sieve crystal structure in the catalyst is relieved, so that the cracking performance of the catalyst is improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Silicon-carbon negative electrode material with curved graphite layer structure and preparation method thereof
PendingCN122246084AReduce structural damageAvoid penetration cracksGraphiteSiliconElectrical batteryGraphite
A silicon-carbon anode material with a curved graphite layer structure and its preparation method are disclosed, belonging to the field of battery anode materials. The specific solution is as follows: A silicon-carbon anode material with a curved graphite layer structure comprises a silicon phase and a carbon phase. The carbon phase is a partially graphitized carbon matrix, which includes multiple multilayer curved graphite layer units. Micropores are formed between these multiple multilayer curved graphite layer units, and an interconnected pore network is formed between the arched cavities of the multilayer curved graphite layers and the micropores. The silicon phase is distributed on the surface of the multilayer curved graphite layer units, inside the arched cavities, and within the micropores. In this invention, the arched cavities formed by the multiple multilayer curved graphite layer units are interconnected with the micropores, providing effective pores to alleviate silicon expansion while also providing an effective pathway for subsequent ion transport.
Owner:HARBIN INST OF TECH +1
Packaging box convenient for repeated disassembly
ActiveCN224393263UImprove recycling ratesReduce structural damageRigid containersStructural engineeringMechanical engineering
This utility model discloses a packaging box that is easy to repeatedly disassemble and assemble, including a box body, a top cover, two sets of symmetrically arranged positioning mechanisms, a buffer limiting component, and a support component. The top cover is movably connected to the box body via the two sets of symmetrically arranged positioning mechanisms. The buffer limiting component is disposed on the box body, and the support component is disposed on the box body. The positioning mechanism includes a support tube, a connecting component, and a fastening component. Therefore, the multi-point insertion limiting improves the ease of disassembly and assembly, reduces the labor intensity of workers, and, combined with secondary bolt tightening, improves connection stability, reduces structural damage caused by repeated disassembly and assembly, facilitates loading and unloading of goods, maintains the overall structural strength of the packaging box, improves transportation safety, enables the recycling of the packaging box, and reduces packaging costs.
Owner:SUZHOU CSJ IND PACKAGING CO LTD
Water conservancy building connecting structure stable in connection
ActiveCN222648672Ureduce work stressGuaranteed stabilityBreakwatersQuaysArchitectural engineeringWater flow
The utility model provides a water conservancy building connecting structure stable in connection, and relates to the technical field of connecting structures, the water conservancy building connecting structure comprises a supporting seat, a floating dock and a vertical block are fixedly installed on the top surface of the supporting seat, a cross plate is arranged on the surface of the vertical block in a penetrating mode, and a round block is fixedly installed at one end of the cross plate; a rubber strip is fixedly installed on the surface of the round block, and a connecting block is fixedly installed at the other end of the cross plate. Water flow energy is converted through direct blocking of water flow by the long plates and subsequent mechanical actions, the resistance of the structure to transverse water flow impact is improved, the stability of the landing stage under the water flow impact is guaranteed, the impact force of the water flow can be effectively dispersed and absorbed, and the service life of the landing stage is prolonged. Therefore, structural damage possibly caused by long-term water flow impact can be reduced, the service life of the water conservancy building is prolonged, the arranged water passing groove allows water flow to pass, natural flowing of the water flow is ensured, the working pressure of the long plate is reduced, and practicability is high.
Owner:山东黄河勘测设计研究院有限公司
A flexible connection structure of a composite material thin-walled circular tube and a forming method thereof
ActiveCN115930015BImprove connection strengthImprove axial stiffnessAdjustable jointsPipe connection arrangementsUltimate tensile strengthMechanical engineering
The present invention discloses a flexible connection structure of a composite material thin-walled circular tube, comprising a plurality of circular tubes and a metal ring for connecting adjacent circular tubes; the outer edge of the metal ring extends outward to form a shoulder, the wall thickness of the shoulder is greater than the wall thickness of the metal ring; a stopper is provided on the circular tube, the metal ring is fitted on the stopper of the circular tube by gluing the shoulder, and a composite material layer is wound around the connection between the circular tube and the metal ring. The present invention solves the problems of low connection strength and poor structural sealing of the traditional connection structure, and at the same time has good assembly processability, and can avoid damage to the metal ring during the assembly process.
Owner:RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
Anti-skid and wear-resistant uhcp trestle plate
ActiveCN224591316UHigh compressive strengthavoid stress concentrationCompressive resistanceStress concentration
The utility model discloses a kind of anti-skid wear-resistant UHPC trestle bridge plate, comprising: plate body;Wear layer is set in plate body top, and wear layer surface is provided with concave anti-skid line, so that anti-skid layer is formed on wear layer surface;Pipe body filling layer is set in plate body, including support frame and the several rigid plastic pipes that are set on support frame to reduce plate body deadweight and guarantee plate body structural strength along the length direction of plate body. By setting wear layer on plate body top, and setting concave anti-skid line on wear layer surface, the wear resistance and slip resistance of trestle bridge plate can be improved simultaneously by wear layer, wherein, the setting of concave anti-skid line has the characteristics of higher compressive strength with wear layer, can fully avoid anti-skid layer stress concentration, reduce the structural damage of anti-skid layer, fully guarantee the good anti-skid performance in the use process of trestle bridge plate, and by setting pipe body filling layer inside trestle bridge plate, the structural strength of trestle bridge plate can be guaranteed while reducing the deadweight of trestle bridge plate.
Owner:TIANJIN JINSHENGYUAN SPECIAL BUILDING MATERIALS
Calf-derived lactobacillus reuteri and application thereof in preparation of product for preventing and treating colitis injury
PendingCN121950595AGrowth inhibitionrelieve ulcersAntibacterial agentsMicroorganismsIntestinal inflammationLactobacillus reuteri
The invention discloses calf-derived lactobacillus reuteri and application thereof in preparation of products for preventing and treating colitis injury, the calf-derived lactobacillus reuteri has been preserved in China General Microbiological Culture Collection Center on October 9, 2025, the preservation address is No. 3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO. The preservation number of the lactobacillus reuteri is CGMCC No.36229, the lactobacillus reuteri is classified and named as lactobacillus reuteri KY-1, and the lactobacillus reuteri can directly inhibit growth of pathogenic escherichia coli, relieve colitis, remarkably relieve inflammation caused by the pathogenic escherichia coli and relieve deep mucosa muscular layer ulcer, gland structure damage and inflammatory cell infiltration caused by the pathogenic escherichia coli. Therefore, the lactobacillus reuteri has a good treatment effect in treating colitis caused by pathogenic escherichia coli, and a theoretical support is provided for medicine development of calf-derived lactobacillus reuteri in the aspect of treating intestinal inflammation.
Owner:NINGXIA UNIVERSITY
High-entropy sulfide negative electrode material, lithium ion battery and preparation and application of high-entropy sulfide negative electrode material and lithium ion battery
PendingCN119400856AEnhanced transfer processImprove charge and discharge efficiencyMaterial nanotechnologyCell electrodesElectrical batteryThio-
The invention discloses a high-entropy sulfide negative electrode material, a lithium ion battery and preparation and application of the high-entropy sulfide negative electrode material and the lithium ion battery. The high-entropy sulfide is FeNiCoCuLiSx, x is 5.5-6.5, and the preparation method of the high-entropy sulfide comprises the following steps: adding nitrates of Fe, Ni, Co, Cu and Li into an organic solvent and a template agent glycerol according to a molar ratio of 1: 1: 1: 1: 1: 1, mixing and dissolving, reacting the obtained mixed solution at 150-170 DEG C, dispersing and centrifuging to obtain a precursor; and dispersing the precursor and thioacetamide in an organic solvent, reacting at 140-160 DEG C, and dispersing and centrifuging after the reaction to obtain the product high-entropy sulfide. The obtained high-entropy sulfide has excellent long cycle stability, high specific capacity and high-rate charge-discharge performance.
Owner:ZHEJIANG UNIV OF TECH
Crawling ladder structure of low flatbed semitrailer
ActiveCN222522550Uimprove securityImprove reliabilityVehicle with loading rampClassical mechanicsStructural engineering
The utility model provides a low flatbed semitrailer ladder stand structure, which belongs to the technical field of semitrailer ladder stands and comprises a fixing frame, buffer contraction mechanisms are arranged on two sides of the bottom of the fixing frame, each buffer contraction mechanism comprises a sleeve, a buffer spring, a pressing plate and a piston rod, the sleeves are fixedly mounted at the bottom of the fixing frame, and the buffer springs are arranged on the sleeves. The buffer spring and the pressing plate are arranged in an inner cavity of the sleeve, the piston rod is fixedly connected to one end of the pressing plate, the pressing plate is located at one end of the buffer spring, the piston rod is located at the end, away from the buffer spring, of the pressing plate, and the other end of the piston rod extends out of the sleeve. Through the design of the buffer contraction mechanism, the structure can provide an effective buffer effect when the crawling ladder is transversely contracted, the structural damage caused by impact force is reduced, the telescopic performance of the buffer spring can absorb and release energy, the stability in the contraction process is ensured, and therefore the safety and reliability of the whole structure are improved.
Owner:LIANGSHAN HUANHAI MASCH CO LTD
Flanging mechanism for processing automobile interior fabric
ActiveCN224199616USuppress elastic rebound phenomenonReduce structural damageWork-feeding meansStructural engineeringFriction force
The utility model belongs to the field of automobile interior fabric processing, and discloses an edge turning mechanism for automobile interior fabric processing, which comprises a support shell, an adjusting component and an edge warping prevention component, the edge warping prevention assembly comprises a pressing plate which is rotationally connected with the lower end of the adjusting assembly and forms an inclined angle with the fabric contact surface; the hydraulic driving unit comprises a flow channel in sliding connection with the pressing plate, a hose and a hydraulic cavity; an output rod is in sliding fit in the hydraulic cavity; the adjusting assembly responds to fabric displacement to generate horizontal movement along the output rod, the pressing plate is driven to deflect through flowing of a hydraulic medium in the hydraulic cavity, then the contact pressure between the pressing plate and the fabric is changed, and therefore the friction force between the fabric and the pressing plate is changed; the angle of the pressing plate is adjusted in real time through the hydraulic driving unit, the friction force of the contact surface is dynamically increased, a self-adaptive stopping mechanism is formed, and structural damage caused by excessive displacement of the fabric is reduced.
Owner:ANHUI NEW NANGANG AUTOMOTIVE FABRIC PROD CO LTD
Metal coating coated silicon-based material and secondary battery
ActiveCN119419233AImprove fast charging performanceSolve bottlenecksNegative electrodesSecondary cells servicing/maintenanceMetal coatingElectrical battery
The invention discloses a metal coating coated silicon-based material and a secondary battery, and belongs to the technical field of lithium ion batteries. The silicon-based material comprises a silicon-based core structure, a metal coating structure and an ion adsorption layer structure, wherein the silicon-based inner core is positioned in the center of the silicon-based material; the metal coating structure covers the surface of the silicon-based core structure in a surrounding manner; the ion adsorption layer structure is located on the outer layer of the metal coating and covers the surface of the whole silicon-based material. The metal coating coated silicon-based material can reduce side reaction caused by contact between a silicon material and electrolyte, and still keeps a relatively good lithium precipitation window and cycle performance at a relatively high rate, so that the cycle life and the safety of a battery are ensured.
Owner:ZHEJIANG LIWINON ENERGY TECHNOLOGY CO LTD
Modularized splicing structure of maritime work box
ActiveCN224211431Uenable connectivityachieve releaseShock-sensitive articlesCoverings/external coatingsMarine engineeringStructural engineering
The utility model discloses a maritime work box modularization splicing structure, the splicing structure comprises a top plate, a first side plate, a second side plate, a bottom plate and a splicing device, the top plate, the first side plate, the second side plate and the bottom plate serve as the main body part of the maritime work box, through tight connection, the sealing performance of the container is achieved, the top plate is the top covering layer of the box body, and the splicing device is arranged on the top of the box body. The main function of preventing rainwater, seawater, dust and the like from entering the box body is achieved, internal equipment or goods are protected, the first side plate and the second side plate provide lateral supporting for the box body, the stability and rigidity of the overall structure are enhanced, the box body is prevented from deforming in the transportation or use process, and the service life of the box body is prolonged. The box body can protect equipment or goods in the box body from being influenced by external impact, collision or severe environment, the bottom plate is a basic part of the box body and bears the whole weight of the box body and the equipment or the goods in the box body, it is ensured that the box body is kept stable in the transportation or using process, the splicing device is used for assembling the bottom plate, and installation and disassembly are more flexible.
Owner:SUZHOU DRAGON MODULAR TECH CO LTD