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50results about How to "Stable shape and structure" patented technology
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Nano-composite material with molybdenum trioxide@molybdenum disulfide core-shell heterostructure, and preparation method and application thereof
ActiveCN108550805AAlleviate volume changesImprove cycle performanceNon-aqueous electrolyte accumulator electrodesSolventChemistry
The invention provides a nano-composite material with a molybdenum trioxide@molybdenum disulfide core-shell heterostructure, and a preparation method and an application thereof. The preparation methodcomprises the following steps: adding sodium molybdate and hydrochloric acid into redistilled water, used as a reaction solvent, in a closed high-temperature and high-pressure reactor, heating the reaction system to produce a high-temperature and high-pressure environment in order to prepare a nano-ribbon molybdenum trioxide precursor, adding the nano-ribbon molybdenum trioxide to redistilled water used as the reaction solvent, adding thiourea and hydrochloric acid, and heating the reaction system to generate high-temperature and high-pressure environment in order to prepare the three-dimensional porous sheet molybdenum oxide-molybdenum disulfide core-shell heterostructure nano-composite material. Compared with nano-composite materials in the prior art, the nano-composite material in theinvention has the advantages of high purity, good and controllable dispersibility, low production cost, good reproducibility, large specific surface area, facilitation of the infiltration of an electrode material with an electrolyte, and great potential application values in the energy storage field.
Owner:ANHUI NORMAL UNIV
Preparation method of spherical hard carbon negative electrode material of high-capacity lithium ion battery
PendingCN106995210AOvercoming complexityOvercome costsCell electrodesSecondary cellsHigh rateCarbonization
The invention relates to the technical field of a lithium ion battery, in particular to a preparation method of a spherical hard carbon negative electrode material of a high-capacity lithium ion battery. The preparation method is characterized by comprising the following steps of (1) material mixing; (2) precrosslinked polymerization reaction; (3) crushing and grading; (4) polymer powder pelletizing treatment; (5) oxidation stability treatment; (6) pre-carbonization treatment; (7) carbonization treatment. Compared with the prior art, the preparation method has the advantages that the raw material sources are wide; the preparation process is simple; the structure and the processing performance of a precursor organic carbon source can be effectively improved through the precrosslinked polymerization reaction; the prepared spherical hard carbon has unique appearance and good pore diameter distribution, and also has the advantages of particle granularity distribution uniformity, high stacking density and the like; high capacity, high first coulombic efficiency, excellent high-rate performance and excellent circulation performance are also realized.
Owner:SHANGHAI SHANSHAN TECH CO LTD
Preparation method of ferromanganese component fine adjustable Prussian white mesomorphic material
ActiveCN108821311ALow costReduce energy consumptionIron cyanidesManganese halidesManganateFree cooling
The invention belongs to the technical field of material science and chemical preparation and discloses a preparation method of a ferromanganese component fine adjustable Prussian white mesomorphic material. The preparation method comprises the following steps: dissolving potassium ferrocyanide and a stabilizer into a dilute hydrochloric acid solution and then adding divalent manganate into a mixed solution; after ultrasonic treatment is carried out for 30 minutes, carrying out 80 DEG C hydrothermal treatment for 24 hours; then carrying out natural cooling, washing and centrifugally separatingthe obtained precipitate and drying for 12 hours to obtain a cubic Prussian white mesomorphic nano-composite material. The cubic Prussian white mesomorphic nano-composite material with the characteristics of stable presence at room temperature and uniform size and morphology is synthesized by controlling the doping amount of low-valence manganate; the preparation method has the advantages of simple technology and low cost, and provides certain guidance for shape control synthesis and stability improvement of Prussian white.
Owner:FUJIAN XINSEN CARBON
Three-dimensional flaky folding low-pressure mask
ActiveCN105495775ALow costWill not oppressRespiratory apparatusProtective garmentEngineeringFilter effect
The invention discloses a three-dimensional flaky folding low-pressure mask, which comprises a face mask formed by at least one layer of filtering sheet. A folding part is arranged on the face mask. The three-dimensional flaky folding low-pressure mask is characterized in that the folding part is provided with a linear folding mark, fold line folding marks and drape folding marks; the face mask is forwards folded along the linear folding mark and is then reversely folded back along the fold line folding marks; the fold line folding marks are formed by two line segments through end-to-end connection; the drape folding marks are formed by distributing fold line folding marks on the reversely folded face mask through starting from the vertexes; the number of the drape folding marks starting from the vertex of each fold line folding mark is more than two; the drapes are flattened through the folding along the drape folding marks; each folded layer is in a flat flake folding state; after the folding, the periphery edge of the face mask is bonded; in the use process, the folding parts are unfolded, an outwards projected space can be formed at the vertex of the fold line folding marks; the form is stable; the airflow is smooth; the filtering efficiency of each position of the filtering sheet can be achieved in a balanced way; and the integral filtering effect is improved.
Owner:DAQING YUANZI TECH DEV
Organic polymer keeping morphology of metal-organic frameworks (MOFs), and preparation method and application of organic polymer
ActiveCN109867780AImprove performanceKeep shapeHybrid capacitor electrodesCell electrodesPolymer scienceMetal-organic framework
The invention relates to an organic polymer keeping morphology of metal-organic frameworks (MOFs), and a preparation method and application of the organic polymer, and belongs to the technical field of organic polymers. The organic polymer keeping morphology of MOFs is prepared by self-polymerization of organic ligands in metal-organic frameworks (MOFs), the obtained polymer keeps original morphology of the MOFs, a carbonized carbon material also keeps original morphology, and the obtained carbon material shows excellent performance when being used as an electrode material of lithium ion batteries, sodium ion batteries and supercapacitors.
Owner:BEIJING UNIV OF CHEM TECH
Field bionic hatching method of fertilized salmon eggs
ActiveCN104304121ALow costUnique designClimate change adaptationPisciculture and aquariaWater flowEngineering
The invention discloses a field bionic hatching method of fertilized salmon eggs and belongs to the technical field of salmon breeding. A hatcher comprises a first side plate, a second side plate and nylon bolts. The first side plate and the second side plate can be symmetrically fastened to each other and are provided with nylon bolt plug holes which are symmetric; after symmetric fastening, the first side plate and the second side plate are fixed through nylon bolt plugs; the first side plate and the second side plate are both evenly provided with egg carrier cells in diamond shapes; the egg carrier cells of the first and second side plates are symmetrically fastened; the center of each egg carrier cell of the first side plate is provided with an escape hole; one corner of each egg carrier cell, on the same side, of the second side plate is provided with another escape hole. The hatcher can sink well in water, has stable shape and structure, allows smooth passage of water and allows water flow to be evenly distributed; the hatcher has the advantages that the size is small, materials are easy to obtain and assembly is simple; egg survival rate is up to greater than 70%.
Owner:HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
Jacket washing, drying and shaping device
PendingCN106894179AStable shape and structureReasonable structureTextile treatment by spraying/projectingShaping/stretching tubular fabricsWater storage tankElectric machine
The invention discloses a jacket washing, drying and shaping device which comprises a rack, conveying guide rails, electric conveying discs, rotary clamping shafts, fixing chucks, shaping dies, a convection water spraying plate, a water storage tank, a water supply head, a motor fixing plate, a lifting cylinder, a rotating motor, a lifter, a hot air blower, a hot air nozzle, a dehumidifying air extraction plate and an air extraction pump. The device can maintain stability of structural shape in the process of washing a jacket, is more thorough and convenient in washing, can timely find defects on the appearance of the jacket in the process of washing and can directly dry and shape the jacket after being washed, thereby omitting steps of secondary shaping and appearance picking. The jacket washing, drying and shaping device is reasonable in structure, convenient to operate, high in washing efficiency and conducive to popularization and application in production.
Owner:祝文浩
Preparation method and application of NiO-SnO2 composite material with flower-like structure
InactiveCN112320859ALow costImprove controllabilityNickel oxides/hydroxidesMaterial resistanceTin(II) chlorideComposite material
The invention discloses a preparation method and application of a NiO-SnO2 composite material with a flower-like structure, belonging to a preparation method and application of a gas sensitive material. According to the invention, a low-temperature one-step hydrothermal method is adopted as a synthesis method, stannous chloride and nickel nitrate which are cheap and easy to obtain are used as rawmaterials, sodium citrate is used as an auxiliary agent, and under mild conditions, the NiO-SnO2 composite material with the flower-like structure is prepared through a one-step hydrothermal synthesistechnology. The composite material is applied to the field of gas sensors. The whole production process is simple in process, high in operability, free of toxicity and harm and suitable for large-scale industrial production. The composite material prepared by the invention has a unique three-dimensional flower-like structure, and a hierarchical pore channel is constructed, so gas to be detected can be more rapidly diffused in the material; and a p-n heterojunction is introduced, so the material shows higher sensitivity and selectivity, rapid response and recovery characteristics and good stability to ethanol gas, has wide prospects in the aspect of manufacturing of the gas sensors.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
Lagerstroemia plant L-type sector-shaped ring body single-plant trunk artistic modeling and cultivation method
InactiveCN108522122AImprove viewing valueImprove product valueCultivating equipmentsHorticulture methodsBiologyLagerstroemia indica
The invention provides a lagerstroemia plant L-type sector-shaped ring body single-plant trunk artistic modeling and cultivation method. The method comprises the following steps that 1, a lagerstroemia indica L-type sector-shaped ring body single-plant trunk structure is analyzed; 2, an L-shaped sector-shaped ring body single-plant trunk atlas is designed; 3, trunk cultivation nursery stocks are planted and cultivated; 4, segmented trunk cultivation is carried out; 5, grafting is conducted gradually part by part and segment by segment; 6, overall thickening cultivation is carried out. By meansof the technical scheme, the trunk of the single lagerstroemia indica plant forms the L-shaped sector-shaped ring body single plant, after multiple plants are combined and abutt against one another to be formed, a three-dimensional artistic modeling type and artistic effects of the sector-shaped ring body are formed, the ornamental value is high, and the commodity value of the lagerstroemia indica nursery stocks is remarkably improved.
Owner:TONGREN MANTANGHONG AGRI TECH
Modified extracellular matrix hydrogel, preparation method and application thereof, and tissue engineering material
ActiveCN110201240ADegradation too fastStable shape and structurePharmaceutical delivery mechanismProsthesisFiberCell-Extracellular Matrix
The invention provides modified extracellular matrix hydrogel, a preparation method and application thereof, and a tissue engineering material, and relates to the technical field of hydrogels. The modified extracellular matrix hydrogel is made mainly by mixing extracellular matrix hydrogel and nanofibers which hyaluronic acid is grafted to; the hyaluronic acid-modified nano fibers have good biocompatibility and good cellular affinity with the extracellular matrix hydrogel; the nanofibers may act as a framework to the extracellular matrix hydrogel in order to enhance mechanical properties of the extracellular matrix hydrogel; the problem can be solved that the prior art lacks a hydrogel having good mechanical properties and good biocompatibility and bioactivity.
Owner:SUN YAT SEN UNIV
Manufacturing device of artificial turf hollow particles
The invention discloses a manufacturing device of artificial turf hollow particles. The manufacturing device comprises an extruding machine, a cooling device, a conveying device and a particle cutting machine; the extruding machine, the cooling device, the conveying device and the particle cutting machine are sequentially connected; the extruding machine comprises a feeding machine, a vacuum exhaust device and a die head; the vacuum exhaust device is connected with the feeding machine through an inserting pipe; the die head is mounted on the vacuum exhaust device; the die head comprises a shell, a runner and a heating part; the runner and the heating part are both mounted in the shell; the heating part is mounted on the side wall of the runner, the feeding end of the runner is communicated with a discharging opening of the vacuum exhaust device, and the discharging end of the runner is provided with a discharging nozzle; an embedding block is arranged in the discharging nozzle; according to the manufacturing device, improvement is carried out according to the shape of the hollow rubber particles needed on the artificial turf, the device can directly produce the hollow particles, the form of finished products is stable, and the quality is good.
Owner:GUANGZHOU AOSHENG ARTIFICIAL STRAW CO LTD
Book management and pick-and-place method for intelligent book management and pick-and-place system
Owner:钱芳林
Au/CuSe tangential heterogeneous nano material and preparation method thereof
ActiveCN110479319AStable shape and structureEnhanced photocatalytic hydrogen production performancePhysical/chemical process catalystsNanotechnologyHexamethylenetetramineCopper selenide
The invention relates to a preparation method of an Au / CuSe tangential heterogeneous nano material, which comprises the following steps of S1, preparing a nanogold colloidal solution under a hexadecyltrimethyl ammonium bromide system, wherein the particle size of gold nanospheres is 18-22nm; S2, preparing a sodium hydrogen selenide solution; adopting a water-phase synthesis method, taking the gold nanospheres as a growth substrate, the sodium hydrogen selenide and the copper acetate as the precursors, the ascorbic acid as a reducing agent and the hexadecyl trimethyl ammonium bromide as a surfactant, carrying out vacuum reaction in the presence of hexamethylenetetramine to grow a two-dimensional copper selenide nanodisk in the tangential direction of the gold nanospheres so as to obtain anAu / CuSe tangential heterogeneous nano-material aqueous solution; and S3, separating, cleaning and drying to obtain the Au / CuSe tangential heterogeneous nano material. The Au / CuSe tangential heterogeneous nano-material is prepared by using an all-aqueous phase method, and the obtained heterogeneous nano-material is stable in morphology and structure, obvious in double-plasmon coupling effect and excellent in photocatalytic hydrogen production performance.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Lagerstroemia plant L-type triangular body ring-shaped single-plant trunk artistic modeling and cultivation method
InactiveCN108522049AImprove product valueImprove viewing valueGraftingHorticulture methodsLagerstroemiaTrunk structure
The invention provides a lagerstroemia plant L-type triangular body ring-shaped single-plant trunk artistic modeling and cultivation method. The method comprises the following steps that 1, a lagerstroemia indica L-type triangular body ring-shaped single-plant trunk structure is analyzed; 2, an L-shaped triangular body ring-shaped single-plant trunk atlas is designed; 3, trunk cultivation nurserystocks are planted and cultivated; 4, segmented trunk cultivation is carried out; 5, grafting is conducted gradually part by part and segment by segment; 6, overall thickening cultivation is carried out. By means of the technical scheme, the trunk of the single lagerstroemia indica plant forms the L-shaped triangular body ring-shaped single plant, after multiple plants are combined and abutt against one another to be formed, a three-dimensional artistic modeling type and artistic effects of the triangular body ring shape are formed, the ornamental value is high, and the commodity value of thelagerstroemia indica nursery stocks is remarkably improved.
Owner:TONGREN MANTANGHONG AGRI TECH
Lagerstroemia-plant eight-edge-prism-single-trunk art modeling cultivation method
InactiveCN108476850ALow costSufficient supplyCultivating equipmentsHorticulture methodsLagerstroemiaTrunk structure
The invention provides a lagerstroemia-plant eight-edge-prism-single-trunk art modeling cultivation method. The lagerstroemia-plant eight-edge-prism-single-trunk art modeling cultivation method includes the following steps of (1) analyzing a lagerstroemia eight-edge-prism-single-trunk structure; (2) designing an eight-edge-prism-single-trunk atlas; (3) selecting trunk cultivation nursery stocks; (4) preparing, fertilizing and planting trunk cultivation places; (5) making a single-trunk eight-edge-prism trunk cultivation control forming mold and a support; (6) conducting field management of thenursery stocks; (7) removing the trunk cultivation forming control mold. By means of the lagerstroemia-plant eight-edge-prism-single-trunk art modeling cultivation method, a lagerstroemia single trunk with the certain eight-edge-prism three-dimensional art modeling style and art effect can be formed; after a single plant is formed, or multiple plants are combined and inarched and formed, the formed lagerstroemia has the high ornamental value, and the commodity value of the lagerstroemia nursery stocks is remarkably improved.
Owner:TONGREN MANTANGHONG AGRI TECH
Method for preparing nanometer flake cobalt phosphide through vapor deposition
InactiveCN111321394AStable structureArranged in orderMaterial nanotechnologyVacuum evaporation coatingNitrate saltsTube furnace
The invention provides a method for preparing nanometer flake cobalt phosphide through vapor deposition. The method includes the following steps of firstly, weighing a cobalt source and 2-methylimidazole according to the molar ratio of 1:8, matching the cobalt source and a solvent according to the ratio of 1 mole of cobalt to 20 milliliters of solvent to form a solution A, dissolving the weighed 2-methylimidazole in the same volume of solvent to form a solution B, pouring the solution B into the solution A, and performing standing at a room temperature for 12-24 hours; secondly, performing vacuum drying for 12 hours or longer after centrifugal cleaning to obtain a precursor; thirdly, weighing the precursor and a phosphorus source according to the molar ratio of 1:5, putting the precursor and the phosphorus source together into a tube furnace where protection gas is introduced; and fourthly, performing a heating process on the tube furnace under the atmosphere protection conditions according to a heating curve, performing reacting for 2-5 hours at 300-500 DEG C, and cooling to a room temperature to obtain the nanometer flake cobalt phosphide. The method is stable in structure, orderly in arraying and beneficial for subsequent synthesis machining, and the raw material is nitrate or chlorate or acetate of cobalt and is low in price.
Owner:XUYI XINYUAN OPTICAL SCI TECH CO LTD
Halide ion assisted copper sulfide micron flower-structure material as well as preparation method and application thereof
InactiveCN109921016AHigh purityGood dispersionHybrid capacitor electrodesCell electrodesThioureaCharge discharge
The invention discloses a halide ion assisted copper sulfide micron flower-structure material as well as a preparation method and an application thereof. A copper source and thiourea are dissolved ina mixed solution of redistilled water and absolute ethyl alcohol and mixed uniformly, sodium halide is added, after sodium halide is completely dissolved, the sodium halide is transferred into a high-pressure reactor for a hydrothermal reaction, natural cooling is performed after a reaction ends, centrifugation, washing and drying are performed, and the material can be obtained. The interlayer spacing of copper sulfide is increased through halide ions, meanwhile, the structure of copper sulfide is adjusted by use of a coordination effect, and the specific surface area and the active edge are increased. The halide ion assisted copper sulfide micron flower-structure material is taken as a lithium / sodium ion battery negative electrode material, has a large specific surface area and is favorable for infiltrating an electrode material by an electrolyte, so that more lithium / sodium ions are disembedded from an active substance, and the capacity of a lithium / sodium ion battery is increased; the material has larger interlayer spacing, rapid movement of lithium / sodium ions in the charge-discharge process is guaranteed, and the cycle stability of the lithium / sodium ion battery is improved.
Owner:ANHUI NORMAL UNIV
Single plant trunk surface spiral pattern artistic modeling cultivation method for lagerstroemia plants
InactiveCN107616052AStable shape and structureStable spiral patternCultivating equipmentsHorticulture methodsLagerstroemiaTrunk surface
The invention discloses a single plant trunk surface spiral pattern artistic modeling cultivation method for lagerstroemia plants. The cultivation method comprises the steps of 1, analyzing spiral pattern structures of lagerstroemia single plant trunk surfaces; 2, designing spiral pattern graphs of the single plant trunk surfaces; 3, selecting trunk-growing nursery stocks; 4, preparing and fertilizing trunk-growing sites; 5, making a trunk-growing mould frame for the single plant trunk surfaces with spiral patterns; 6, managing nursery stocks in the field; 7, removing the trunk-growing mould frame, and making the trunk surfaces of the lagerstroemia single plants form an art modeling style and an artistic effect with the spiral patterns. After the single plants are formed or after multipleplants are formed through combined approach grafting, high ornamental value is achieved, and the commodity value of the lagerstroemia nursery stocks is significantly improved.
Owner:TONGREN MANTANGHONG AGRI TECH
Preparation method of vanadium pentoxide film and application thereof
InactiveCN108232018AThe preparation process is environmentally friendlySimple methodSolid-state devicesSemiconductor/solid-state device manufacturingAmmonium metavanadateHole transport layer
The present invention discloses a preparation method of a vanadium pentoxide film and an application thereof. The preparation method comprises the following steps of: dissolving solution containing ammonium metavanadate into a mixing solution of ethylene glycol and dimethyl sulfoxide, performing heating dissolving, and obtaining vanadium pentoxide polymeric pecursor solution. The pecursor solutionis subjected to spin coating on an ITO substrate and then is heated to prepare a vanadium pentoxide film. The prepared vanadium pentoxide can be taken as hole transport layer materials used in a solar cell. The vanadium pentoxide film is flat and uniform and low in roughness, and the preparation method is safe, simple, low in cost and friendly in environment.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY
Polythiophene derivative conductive film based on in-situ doping modification, and preparation method and application of polythiophene derivative conductive film
ActiveCN111607199AImprove conductivityAvoid Composing Uncontrollable ProblemsIn situ dopingFilm base
The invention discloses a polythiophene derivative conductive film based on in-situ doping and a preparation method and application thereof, and belongs to the technical field of organic photoelectricmaterials. According to the preparation method, a gas-phase permeation technology is adopted; moCl5 is effectively used as a precursor and is circulated through gas-phase permeation; carrying out in-situ doping modification on the polythiophene derivative initial film; wherein the permeation thickness in the base material is controlled by adjusting different gas-phase permeation cycle times; thestructure controllability and stability of the prepared polythiophene derivative conductive film are ensured; the preparation method disclosed by the invention is simple in process and simple and convenient to operate; the polythiophene derivative conductive film is prepared by the preparation method disclosed by the invention; compared with the prior art, the composite material has the characteristics of excellent conductivity, controllable permeation thickness and stable material performance, and the conductivity of the modified composite material is improved by 4 orders of magnitudes than that of a matrix material, so that the composite material can be applied to various electronic devices and has good application value and industrial application prospect in the field.
Owner:SHAANXI UNIV OF SCI & TECH
Preparation method of nano-micron lithium manganese phosphate/carbon composite positive electrode material
The invention belongs to the technical field of batteries, and particularly discloses a preparation method of a nano-micron lithium manganese phosphate / carbon composite positive electrode material. The method comprises the steps of carrying out the thermal treatment on a raw material solution containing a manganese source, a lithium source, a phosphorus source, the hexamethylenetetramine and the ethylene glycol at 70-80 DEG C in advance, then carrying out the thermal treatment on the solvent at 160-200 DEG C, mixing the prepared nano-micron lithium manganese phosphate with a macromolecule carbon source, drying and calcining at 500-650 DEG C in a protective atmosphere. The primary particles of the prepared material are nano-scale, grow preferentially and are distributed uniformly, so that the diffusion of the lithium ions in the material is facilitated. The secondary particles are micron-scale, so that the structure stability is facilitated, and the prepared material has the relativelyhigher charge-discharge capacity, excellent cycling stability and good rate capability.
Owner:CENT SOUTH UNIV
L-type I-form single-plant trunk artistic modeling cultivation method for lagerstroemia plants
InactiveCN108377834AImprove viewing valueImprove product valueGraftingCultivating equipmentsLagerstroemia indicaSeedling
The invention provides an L-type I-form single-plant trunk artistic modeling cultivation method for lagerstroemia plants. The L-type I-form single-plant trunk artistic modeling cultivation method includes steps of firstly, analyzing L-type I-form single-plant trunk structures of lagerstroemia indica; secondly, designing L-type I-form single-plant trunk maps; thirdly, breeding trunk cultivation nursery stock seedlings; fourthly, carrying out sectionalized trunk cultivation; fifthly, carrying out sectionalized grafting on sub-segments step by step; sixthly, carrying out integral thickening breeding. According to the technical scheme, the L-type I-form single-plant trunk artistic modeling cultivation method has the advantages that an L-type I-form single-plant trunk of each single lagerstroemia indica plant can be formed by the aid of the L-type I-form single-plant trunk artistic modeling cultivation method, the lagerstroemia indica plants can be in stereoscopic artistic modeling styles after the multiple lagerstroemia indica plants are shaped by means of combined approach grafting, artistic effects can be realized after the multiple lagerstroemia indica plants are shaped by means ofcombined approach grafting, the lagerstroemia indica plants have high ornamental value, and commodity value of lagerstroemia indica nursery stock can be obviously increased.
Owner:TONGREN MANTANGHONG AGRI TECH
Titanium dioxide/graphene/carbon composite material, preparation method and application thereof
ActiveCN112169784AImprove adsorption capacityHigh catalytic efficiencyGas treatmentPhysical/chemical process catalystsCarbon compositesGraphite
The invention discloses a titanium dioxide / graphene / carbon composite material, a preparation method and application thereof. The titanium dioxide / graphene / carbon composite material is prepared from raw materials including titanium dioxide, graphene and a carbon-containing compound. The preparation method comprises the following steps of: (1) adding the raw materials except the carbon-containing compound into a carbon-containing compound solution to carry out hydrothermal reaction, performing cooling, taking a solid, and performing drying to obtain a mixture; and annealing the mixture obtainedin the step (1). The preparation method is simple, feasible and convenient to operate; and the preparation process is high in controllability and has very high product stability. By synergistically optimizing hydrothermal reaction and annealing conditions, the titanium dioxide / graphene / carbon composite material with a stable shape structure can be obtained.
Owner:NINGBO GRAPHENE INNOVATION CENT CO LTD
A preparation method of nano-micro graded manganese phosphate lithium/carbon composite positive electrode material
ActiveCN110492060BStable structureInterface stabilityPhosphatesCell electrodesCarbon compositesPhosphate
The invention belongs to the technical field of batteries, and specifically discloses a preparation method of a lithium manganese phosphate / carbon composite material with a nano-micro hierarchical structure, which will contain a manganese source, a lithium source, a phosphorus source, hexamethylenetetramine, ethylene glycol The raw material solution is heat-treated at 70°C to 80°C in advance, and then solvothermally obtained at 160°C to 200°C. The prepared lithium manganese phosphate material with nano-micro hierarchical structure is mixed with a polymer carbon source, dried and calcined at 500°C to 650°C in a protective atmosphere. The primary particles of the material prepared by the invention are nano-scale, have preferential growth and uniform distribution, and are beneficial to the diffusion of lithium ions in the material. The size of the secondary particles is at the micron level, which is conducive to the stability of the structure. The prepared material has a high charge and discharge capacity, excellent cycle stability, and good rate performance.
Owner:CENT SOUTH UNIV
Glass plate and glass paper clamping device and method
PendingCN111731548AImprove adsorption capacityRealize the down-board functionShock-sensitive articlesEngineeringMechanical engineering
Owner:IRICO DISPLAY DEVICES
Semicircular bolt forming equipment and process thereof
The invention discloses semicircular bolt forming equipment and a process thereof, and particularly relates to the technical field of bolts. The semicircular bolt forming equipment comprises a box body, wherein a hydraulic mechanism is connected to the top end of the inner side of the box body through screws; a fixing frame is installed below the hydraulic mechanism; a connecting base is arranged below the inner side of the fixing frame; a movable punch is installed below the connecting base; a discharging hole is formed in the inner side of the movable punch; a feeding mechanism is arranged above the connecting base; a sliding mechanism is installed at the bottom end of the inner side of the box body; a workbench is arranged above the sliding mechanism; and a fixing groove is formed in the upper surface of the workbench. According to the semicircular bolt forming equipment and the process thereof provided by the invention, a T-shaped cushion block and a strong spring are arranged, when the strong spring is used, strong support is provided when a movable punching core does not abut against the T-shaped cushion block, so that the pre-forming effect is achieved; and the strong spring is stable in stress, so that the situation that the single side is stressed in the deformation process is avoided, and a pre-forming shape structure is more stable.
Owner:鹏驰五金制品(昆山)有限公司
Adjustable and deformable clamping arm for industrial robot
PendingCN113043302AEasy to holdImprove deformationGripping headsIndustrial roboticsMechanical engineering
The invention belongs to the technical field of industrial robot production, manufacturing and application, and discloses an adjustable and deformable clamping arm for an industrial robot. The clamping arm comprises a mounting seat, a first clamping assembly and a second clamping assembly, wherein, the mounting seat can be connected with the tail end of a joint of the industrial robot; the first clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece and the second clamping piece are movably arranged on the mounting seat; and the second clamping assembly comprises a third clamping piece and a fourth clamping piece, the third clamping piece and the fourth clamping piece are arranged on the first clamping piece and the second clamping piece in a swinging mode respectively, and the third clamping piece and the fourth clamping piece can swing to preset positions of the first clamping piece and the second clamping piece respectively, and a workpiece is clamped by the third clamping piece and the fourth clamping piece together. According to the clamping arm, through the arrangement of the first clamping assembly and the second clamping assembly, the clamping arm can be deformed to form a new clamp, so that the clamp adapts to clamping of various workpieces.
Owner:NINGBO POLYTECHNIC
Western-style pants
InactiveCN104489955AChange structureIncrease easingGarment special featuresTrousersLeft halfEngineering
The invention discloses a pair of western-style pantswhich comprises a pants body, wherein the pants body comprises a pant waist and pant legs; the pant waist is divided into a left half waist and a right half waist; an opening is formed in the top of the joint of the left half waist and the right half waist; an anti-slip part is arranged on the inner side of the pant waist; anti-wear parts and triangular openings are arranged at the leg openings of the pant legs. According to the western-style pants, the opening is formed in the joint of the left half waist and the right half waist, so that the pant waist can be better clung to the curved line of the waist and is suitable for the radian of the waist; the anti-slip part is arranged at the pant waist, so that the outward sliding of a skirt during wearing of the western-style pants and the skirt in the same time can be effectively prevented by the unsmooth surface of the anti-slip part; the anti-wear belts and the triangular openings are arranged at the leg openings and marker layers are arranged on the anti-wear belts, so that the commodious quantity of the leg openings is increased and the pants are relatively convenient to wear.
Owner:宁波市镇海锐得贸易有限公司
Three-dimensional piece folding low pressure mask
ActiveCN105495775BLow costWill not oppressRespiratory apparatusProtective garmentEngineeringFilter effect
The invention discloses a three-dimensional sheet-type folded low-pressure mask, which comprises a mask composed of at least one layer of filter sheets. Fold forward along the straight line crease and then reversely fold back along the crease line crease. The crease line crease is composed of at least two line segments connected end to end. There are more than two creases starting from the vertex of a crease line. Fold along the creases to smooth out the creases. After folding, each layer is stacked in a flat sheet. After folding, the edges of the mask are glued around, and it is unfolded when used. An outward protrusion space can be formed at the top of the crease of the fold line, the shape is stable, the airflow is smooth, and the filtration efficiency of each part of the filter sheet can be balanced, which improves the overall filtration effect.
Owner:DAQING YUANZI TECH DEV
A kind of au/cuse tangential heterogeneous nanomaterial and its preparation method
ActiveCN110479319BUniform particle sizePromote growthPhysical/chemical process catalystsNanotechnologyGold ColloidHexamethylenetetramine
The present invention relates to a kind of preparation method of Au / CuSe tangential heterogeneous nano material, comprising: S1. Prepare nano-gold colloid solution under cetyltrimethylammonium bromide system, the particle diameter of gold nanosphere is 18~ 22nm; S2. Preparation of sodium selenium hydride solution, using gold nanospheres as the growth substrate, sodium selenium hydride and copper acetate as precursors, ascorbic acid as reducing agent, and hexadecyltrimethylammonium bromide as the surface by aqueous phase synthesis Activator, vacuum reaction in the presence of hexamethylenetetramine to grow two-dimensional copper selenide nanodisks in the tangential direction of gold nanospheres to obtain an aqueous solution of Au / CuSe tangential heterogeneous nanomaterials; S3. Separation, cleaning and Dry to obtain Au / CuSe tangential heterogeneous nanomaterials. The invention utilizes an all-water phase method to prepare Au / CuSe tangential heterogeneous nanomaterials, and the obtained heterogeneous nanomaterials have stable morphology and structure, obvious double plasmon coupling effect, and excellent photocatalytic hydrogen production performance.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
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