Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37results about How to "Potential" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Shaving apparatus
A shaving apparatus is provided that includes a reservoir, a support carriage, a razor cartridge, and a handle. The reservoir, which is operable to contain a non-solid shaving aid material, includes a selectively collapsible side wall surrounding an interior cavity having a volume. The support carriage includes a guide member and an applicator panel. The applicator panel includes one or more ports in fluid communication with the reservoir. One end of the reservoir is attached to the support carriage, and the other end of the reservoir is attached to the handle. The razor cartridge is mounted on the support carriage adjacent the applicator panel. The support carriage is movable relative to the handle in a manner that enables the reservoir side wall to collapse to decrease the volume of the reservoir, and thereby transfer shaving aid material from the reservoir to the one or more ports. According to an aspect of the present invention, a shaving apparatus is provided that includes the above described reservoir, support carriage, and razor cartridge, and a mounting flange, collectively assembled as a replaceable cartridge that is selectively attachable to a handle.
Owner:EDGEWELL PERSONAL CARE BRANDS LLC
Plasmon lasers at deep subwavelength scale
ActiveUS20130148682A1Efficient generation of sub-wavelength high intensity lightWide modulation bandwidthOptical wave guidanceLaser detailsModulation bandwidthPlasmonic waveguide
Hybrid plasmonic waveguides are described that employ a high-gain semiconductor nanostructure functioning as a gain medium that is separated from a metal substrate surface by a nanoscale thickness thick low-index gap. The waveguides are capable of efficient generation of sub-wavelength high intensity light and have the potential for large modulation bandwidth >1 THz.
Owner:RGT UNIV OF CALIFORNIA
Distribution network reconstruction optimization method based on multi-objective optimization
InactiveCN104134104APotentialImprove optimization effectForecastingSystems intergating technologiesMulti-objective optimizationEconomic benefits
The invention discloses a distribution network reconstruction optimization method based on multi-objective optimization. The method includes the following implementation steps that the current system losses, the load balance index and the minimum node voltage of a distribution network are respectively calculated, whether reconstruction optimization is needed or not is judged, if reconstruction optimization is needed, the distribution network is reconstructed, and then an optimal topological structure is acquired; when the load balance index or the minimum node voltage exceeds threshold values, network reconstruction operation is directly executed, when only the system losses exceed threshold values, an economic benefit evaluation index needed for switching the distribution network from the current topological structure to the optical topological structure is calculated, and if the index is larger than a designated threshold value, it is judged that economic benefit evaluation passes and the network reconstruction operation is executed; or else evaluation does not pass and the network reconstruction operation is not executed. The reconstruction optimization effect of the distribution network is good, economic benefit evaluation can be conducted before execution of the network reconstruction operation, waste is avoided, use is convenient, resources are saved, and economical efficiency and safety are good.
Owner:STATE GRID CORP OF CHINA +3
Heterojunction bipolar transistor and semiconductor integrated circuit device using the same
InactiveUS6881988B2PotentialImprove featuresSemiconductor/solid-state device manufacturingSemiconductor devicesEngineeringSemiconductor
A heterojunction bipolar transistor has a raised breakdown voltage and restrains the rising characteristic of IC-VCE characteristic from degrading. The collector region includes first, second, and third collector layers of semiconductor. The first collector layer is made of a doped or undoped semiconductor in such a way as to contact the sub-collector region. The second collector layer is made of a doped or undoped semiconductor having a narrower band gap than the first collector layer in such a way as to contact the base region. The third collector layer has a higher doping concentration than the second collector layer in such a way as to be located between or sandwiched by the first collector layer and the second collector layer.
Owner:RENESAS ELECTRONICS CORP
Ultrasonic diagnostic apparatus and ultrasonic image display method
InactiveUS20130194267A1Easy diagnosisRaise the potentialBlood flow measurement devicesInfrasonic diagnosticsSonificationVoxel
For generating ultrasonic projection images in which various kind of ultrasonic projection images have been appropriately combined, the invention is provided with: a storage unit that stores tomographic image volume data and elastic image volume data; a volume rendering unit that generates tomographic projection images by volume rendering on the basis of the tomographic image volume data; a display device that displays the ultrasonic projection images generated by the volume rendering unit; and an operation unit for inputting commands to control the volume rendering unit. For one of the rendering spaces partitioned by a cutting plane set in the rendering space by a command input from the operation unit, the volume rendering unit renders voxels of tomographic image volume data corresponding to the voxels of elastic image volume data that have elasticity values satisfying a set threshold value, and generates and displays the tomographic projection image on the display device.
Owner:HITACHI LTD
Materials for cathode in solid oxide fuel cells
InactiveUS20050201919A1Promote absorptionReduce overpotentialActive material electrodesSolid electrolyte fuel cellsAlkaline earth metalOxygen vacancy
The present invention relates to materials for cathode in solid oxide fuel cells, more particularly, an oxide having high oxygen vacancies and high conductivity as cathode, which is able to accelerate absorption of oxygen molecule and diffusion of oxygen ion for reducing internal resistance of cells, in other words, reducing overpotential of cathode, and improvement of electric generation efficiency of fuel cells. General form of the cathode materials is Ln1-xAxCu1-yByO2.5±δ, wherein Ln is lanthanide ion, A is alkaline-earth metal, B is metal. Cathode dope different alkaline-earth metal on A side to converse partly copper (Cu) to trivalence copper ion for forming perovskite having oxygen vacancies with regularity sequence, by utilizing catalytic of cathode electrode accelerating cathode reaction and compound electron being conducted though external circuit with conversing oxygen to form oxygen ion for obtaining anode and hydrogen reaction by diffusing oxygen ion to electrolyte.
Owner:NAT CHENG KUNG UNIV
Treatment of lung diseases and pre-lung disease conditions
InactiveUS20060034906A1PotentialHigh indexHeavy metal active ingredientsBiocideLipid formationEntrapment
In part, the present invention relates to a method of treating lung diseases and pre-lung disease conditions such as precancerous lesions comprising administering to a patient in need a therapeutic agent comprising lipid composition. The present invention also relates to an inhalation device for administering lipid complexes comprising therapeutic agents. The inhalation device may be disposable. In one embodiment, the lung diseases pretreated by the methods of the present invention are those diseases associated with tobacco related products. The present invention also relates to a method of preparing liposomes by an infusion method that yields high entrapment percentages.
Owner:TRANSAVE
New (R)-transaminase from Trichoderma reesei and application thereof
InactiveCN104630170AIncrease vitalityImprove temperature stabilityTransferasesFermentationNucleotideNucleotide sequencing
The invention discloses a new (R)-transaminase and application thereof. The (R)-transaminase derives from Trichoderma reesei QM6a (named HTR), its gene nucleotide sequence is shown as SEQ ID No.1, and the amino acid sequence is shown as SEQ ID No.2. The new (R)-transaminase HTR is a strict (R) stereoselective Omega-transaminase, has a broad substrate spectrum, and has great application potential in bio-production of chiral amines and unnatural amino acids.
Owner:TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI
Tubular bacterial nanocellulose material and preparation method and application thereof
PendingCN108753868ALoose surface fibersFiber dense outer surfaceMicroorganism based processesTissue regenerationMaterials preparationFiber
The invention relates to a tubular bacterial nanocellulose material and a preparation method and application thereof. Fibers on the inner surface of the tubular bacterial nanocellulose material are loose, and fibers on the outer surface of the tubular bacterial nanocellulose material are dense. The preparation method comprises the following steps of fermentation broth preparation, device assemblyand tubular bacterial nanocellulose material preparation. The tubular bacterial nanocellulose material is applied to artificial blood vessels, artificial nerve conduits or artificial ureters. The fibers on the inner surface of the prepared tubular BNC (bacterial nanocellulose) material are loose, the fibers on the outer surface of the prepared tubular BNC material are dense, and the prepared tubular BNC material is a material different from previously reported tubular BNC material in structure, and is a biomaterial with a great application potential; the tubular bacterial nanocellulose material is an excellent substrate material for preparing a BNC composite pipe; and the blood compatibility of the inner surface of the tubular bacterial nanocellulose material is higher than that of reported products obtained by several other reactors.
Owner:DONGHUA UNIV
Expandable high-bonding and high-sound-absorption paper honeycomb composite board and manufacturing method thereof
ActiveCN105383102AHigh peel strengthImprove rigiditySynthetic resin layered productsLaminationPaper sheetHoneycomb
The invention discloses an expandable high-bonding and high-sound-absorption paper honeycomb composite board and a manufacturing method thereof. The composite board is sequentially compounded by bottom fabric, an adhesive film A, a prepreg, a glass fiber reinforcement polypropylene fiber composite material GMT, an adhesive film B, a honeycomb core material, an adhesive film B, a glass fiber reinforcement polypropylene fiber composite material GMT, a prepreg and an adhesive film C from bottom to top. According to the expandable high-bonding and high-sound-absorption paper honeycomb composite board and the manufacturing method thereof, a rivet type bonding structure is arranged between the adhesive film B and the honeycomb core material, the peel strength between the upper layer and the middle layer and between the middle layer and the lower layer of the product can be enhanced, the overall rigidity is improved, and the problem that an original patented product is not plump in forming during forming, and thus glass fibers can be exposed easily is solved through the layer of the additionally-arranged GMT.
Owner:浙江华江科技股份有限公司
Plasmon lasers at deep subwavelength scale
ActiveUS8509276B2Efficient generation of sub-wavelength high intensity lightPotentialOptical wave guidanceLaser active region structureModulation bandwidthPlasmonic waveguide
Hybrid plasmonic waveguides are described that employ a high-gain semiconductor nanostructure functioning as a gain medium that is separated from a metal substrate surface by a nanoscale thickness thick low-index gap. The waveguides are capable of efficient generation of sub-wavelength high intensity light and have the potential for large modulation bandwidth >1 THz.
Owner:RGT UNIV OF CALIFORNIA
Solar cell module
InactiveUS20110073151A1Minimize adverse effectsIncreasing output voltage per modulePV power plantsPhotovoltaic energy generationInsulation layerEngineering
A solar cell module includes a metal substrate, an insulation layer, series-connected solar cells, two output terminals, and a ground terminal. Each solar cell includes an underside electrode layer, a photoelectric conversion layer and a transparent electrode layer. The solar cell module further includes an electrical conductive layer for electrically connecting the metal substrate to the underside electrode of one grounding solar cell located in a range of plus 10% to minus 10% of the number of the solar cells from a solar cell located at a center of the line of the solar cells. The ground terminal is connected through the metal substrate and the conductive layer to the grounding solar cell.
Owner:FUJIFILM CORP
Low-cost odometer design method based on MEMS IMU
PendingCN111912426ALow costReduce power consumptionNavigation by speed/acceleration measurementsDistance measurementSimulationOdometer
The invention discloses a low-cost odometer design method based on an MEMS IMU, and the method comprises the following steps: 1, enabling the IMU to be installed on the side surface of a wheel, enabling the IMU to rotate along with the wheel, and measuring the non-gravitational acceleration and angular velocity of the wheel relative to an inertial system; 2, establishing an output model of the IMUfor the IMU mounted on the wheel while considering the motion constraint of the vehicle; 3, establishing a Kalman filtering system model based on a constraint relation between states by taking a wheel rotation angle, an angular velocity and an angular acceleration as state variables, and establishing an observation model based on an IMU output model; 4, calculating the speed and mileage based onthe artificial neural network and updating the parameters, the method has the advantages of low cost, accurate result and the like, the defects of a traditional odometer are overcome, and the method has great application potential.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
New (R)-transaminase from Fusarium oxysporum and application thereof
InactiveCN104630171ABroad amino donor substrate spectrumIncrease vitalityBacteriaTransferasesFusarium oxysporumNucleotide
The invention discloses a new (R)-transaminase and application thereof. The (R)-transaminase derives from Fusarium oxysporum Fo5176 (named HFO), the gene nucleotide sequence is shown as SEQ ID No.1 and the amino acid sequence is shown as SEQ ID No.2. The new (R)-transaminase HFO is a strict (R) stereoselective Omega-transaminase, has a broad substrate spectrum, and has great application potential in bio-production of chiral amines and unnatural amino acids.
Owner:TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI
Metal glass surface in-situ metallization multilayer eutectic bonding method and device based on electrogenerated cationic conduction
ActiveCN111635147AEnables multilayer vertical bondingLow costLamination ancillary operationsLaminationNano structuringLow voltage
The invention discloses a metal / glass surface in-situ metallization multilayer eutectic bonding method and device based on electrogenerated cationic conduction. The method comprises the following steps: alternately stacking a plurality of layers of pre-coated metal test pieces and cationic conductive glass, and putting the stacked metal test pieces and cationic conductive glass into a vacuum furnace, enabling each layer of metal and glass test piece to be respectively communicated with a negative electrode and a positive electrode of a direct-current electrostatic field according to a bondingsequence, heating and loading an electric field while applying axial pressure to the bonded piece, activating ionization of cations in the glass under high temperature and electric field repulsive force to make the cations directionally migrate to the bonding surface of the glass to be enriched, carrying out a redox reaction on the cations and free charges to generate elementary substances, then carrying out in-situ growth in a micro-nano structure on the surface of the glass to form a metal layer, carrying out diffusion and eutectic reaction on the metal layer and a coating film at an eutectic temperature to realize bonding, and repeating the processes to carry out multilayer bonding. Anodic bonding and eutectic bonding principles are combined, so high-conductivity, high-thermal conductivity and high-strength multilayer bonding of metal and glass is realized under the conditions of low temperature and low voltage.
Owner:TAIYUAN UNIV OF TECH
Solid-state imaging device
InactiveUS20050110061A1Lower potentialSpeed up the flowTelevision system detailsSolid-state devicesEngineeringLinearity
A solid-state imaging device is provided which has preferable linearity of signal outputs according to light intensities and does not cause dark defects even at a low light intensity. The solid-state imaging device comprises: a ring gate having a non-uniform width; a source region formed inside the ring gate; a drain region formed surrounding a circumference of the ring gate; and a carrier pocket formed under the ring gate, wherein a region where (X divided by Y) is the smallest substantially coincides with a region where Z is the shortest; X is a pocket-to-source distance; Y is a pocket-to-drain distance; and Z is a source-to-drain distance.
Owner:SEIKO EPSON CORP
Energy-saving efficient code spraying printing machine
InactiveCN105500923ASimple structureImprove printing effectTypewritersOther printing apparatusSprayerEngineering
The invention discloses an energy-saving efficient code spraying printing machine. The code spraying printing machine comprises a rack, a conveying mechanism arranged on the rack and used for conveying materials, and a code spraying mechanism arranged on the rack and used for code spraying. The code spraying mechanism comprises a code spraying printing machine sprayer, an adjusting mechanism for fixing the code spraying mechanism sprayer and adjusting the position of the code spraying mechanism sprayer, and a supporting frame arranged on the rack and used for fixing or moving the adjusting mechanism. The supporting frame comprises moving idler wheels used for moving the whole code spraying mechanism to advance or retreat, and a lifting support arranged on the moving idler wheels and used for lifting the adjusting mechanism. The adjusting mechanism comprises a transverse support connected with the lifting support and used for moving the code spraying mechanism sprayer to move transversely, and a sliding support, wherein the sliding support is arranged on the transverse support, can slide on the transverse support and is used for being connected with the code spraying mechanism sprayer. The machine is simple in structure, and convenient to operate and maintain, waste of work hours is avoided, products are neat and uniform in code spraying after codes are sprayed, the derating rate is reduced, and the production cost is reduced.
Owner:蒙托壁(杭州)智能科技有限公司
Distributed power distribution network optimization reconstruction method
ActiveCN113036823AGreat economic and social benefitsGuarantee safe operationPower network operation systems integrationClimate change adaptationPower gridDistribution grid
The invention provides a distributed power distribution network optimization reconstruction method. The method comprises the steps of building a reactive power optimization power distribution network multi-objective optimization reconstruction model, and obtaining the switching action frequency; dynamically monitoring the power supply and load change trend of the power distribution network on the premise of meeting the constraint of the switching action frequency; dynamically monitoring the uncertainty of the power supply and the load of the power distribution network on the premise of meeting the constraint of the switching action frequency; and dynamically adjusting the topological structure of the power distribution network by dynamically monitoring the power supply and load change trend and uncertainty of the power distribution network. Through the power distribution network optimization reconstruction method, guidance suggestions can be provided for reactive power optimization and voltage monitoring of the power distribution network, stable operation between lines, optimization of a topological structure of the power distribution network and rapid positioning of faults of the power distribution network, multi-objective optimization of power distribution network reconstruction is realized, and the power supply reliability of the power distribution network is effectively guaranteed.
Owner:HAINAN POWER GRID CO LTD ELECTRIC POWER RES INST
Reducible Fertilizer
ActiveUS20140250961A1Promote growthHigh affinityOrganic fertilisersFertilizer mixturesMicroorganismFruit tree
Provided is a high-value added fertilizer using a microorganism or a component of a microorganism and especially a fertilizer capable of promoting the bearing of fruit trees and fruit vegetables. A reducing fertilizer obtained by subjecting a mixture of a microorganism or a component of a microorganism with phosphoric acid component and / or potassium component to a hydrothermal reaction treatment is capable of promoting the growth the roots, especially, the root hairs of fruit trees and also promoting the enlargement of their fruits. In particular, because of the reducing characteristic, the reducing fertilizer of the present invention has an excellent affinity for cells constituting the roots, and enables phosphoric acid component and potassium component, which are useful fertilizer components, to be absorbed effectively.
Owner:ASAHI BREWERIES LTD
Solid-state imaging device
InactiveUS7132706B2Easy to storeSpeed up the flowTelevision system detailsSolid-state devicesEngineeringLinearity
Owner:SEIKO EPSON CORP
Remote controlled real time editing and playing display system
InactiveCN1627712APotentialProtect interestsData switching by path configurationInput/output processes for data processingRemote controlDisplay device
The disclosed system includes remote server, several editing and playing display systems, and network for connecting remote server with the said editing and playing display systems. The display system includes display devices and control devices. Output end of remote server through network is connected to input end of control device. Output end of control device is connected to display device. The system provides functions: editing and intercutting content, remote control operation, remote controlling networked playing at multiple points synchronistically, low cost for playing media, and automated management for multiple signal source by specific program. Moreover, the system possesses splendid security that is to say governor of company will control distribution of content. Thus, the invention protects benefit of companies and investor. Advantages are: skillful design, simple structure and practicality.
Owner:李斗星
Breathable electrode and method for use in water splitting
ActiveUS20150167185A1PotentialImprove efficiencyCellsPhotography auxillary processesPorous membraneChemistry
The present invention relates to a water splitting cell having at least one electrode comprising a porous membrane, wherein gas produced at the electrode diffuses out of the cell via the porous membrane, separating the gas from the reaction at the electrode without bubble formation.
Owner:AQUAHYDREX INC
Silk-screen printing SERS sensing array substrate based on fireproof flame-retardant fibers and preparation method and application thereof
ActiveCN110887827AHas SERS activityLarge specific surface areaMaterial nanotechnologyRaman scatteringScreen printingFiber
The invention relates to a silk-screen printing SERS sensing array substrate based on fireproof flame-retardant fibers and a preparation method and application thereof. The preparation method comprises the following steps: printing a reduced molybdenum disulfide-nano-silver composite material with SERS activity on the surface of a fireproof flame-retardant fiber substrate through a silk-screen printing technology to form a detection area, and obtaining a silk-screen printing SERS sensing array substrate based on the fireproof flame-retardant fibers, wherein the silk-screen printing SERS sensing array substrate can be used for rapid detection of pollutants on a fire-fighting site. Compared with the substrates in prior art, the silk-screen printing SERS sensing array substrate based on the fireproof flame-retardant fibers has the advantages of being simple in preparation method, high in sensitivity, low in cost, convenient to produce in batches, convenient to carry and the like and has great application potential in the aspect of rapid detection of the environment site, especially in the aspect of in-situ rapid high-sensitivity detection of pollutants at the fire-fighting site.
Owner:SHANGHAI INST OF TECH
Vehicle-mounted tuning system and USB data transmission interference suppression circuit
InactiveCN110299949AImprove concealmentPotentialElectrical apparatus interference reductionElectricityData interface
The invention relates to the field of automotive electronics, and discloses a vehicle-mounted tuning system and a USB data transmission interference suppression circuit. The circuit comprises a firstvoltage-sensitive impedance circuit which is electrically connected between a data interface of a USB interface and the ground, and when the voltage of the voltage-sensitive impedance circuit exceedsa preset value, the impedance of the voltage-sensitive impedance circuit changes nonlinearly along with the voltage at the two ends of the voltage-sensitive impedance circuit, so that the voltage of the voltage-sensitive impedance circuit is clamped on a preset constant voltage; an electrostatic discharge protection circuit which comprises a data input interface and a data output interface which are in circuit conduction with each other, a surge protection circuit is arranged between the data input interface and the data output interface, and the surge protection circuit is used for discharging surge energy to the ground when the absolute value of the voltage of the data input interface and / or the data output interface is greater than a preset voltage value.
Owner:广州市车厘子电子科技有限公司
Method for detecting suicide terrorist
InactiveCN102805610AConvenient detection methodDevelopment potentialSensorsBlood flow measurementPhysiologyTime changes
The invention discloses a method for detecting a suicide terrorist. The method comprises the following steps of: (A) selecting a testee; (B) utilizing a detection device capable of detecting real-time changes of cerebral blood flow to detect a first region to be detected and a second region to be detected at the head part of the testee; (C) viewing brain cortex activity information in the first region to be detected of the testee within a preset period of time by the detection device; (D) comparing the brain cortex activity information in the first region to be detected with a normal control group to determine whether significant difference exists or not; (E) judging whether the testee has suicide intent or not according to the result of the step (D); (F) inquring whether the testee is of the terrorist or not; (G) viewing whether significant activity exists in the second region to be detected of the testee within the preset period of the time or not by the detection device; and (H) determining whether the testee is of the terrorist or not according to the result of the step (G).
Owner:吴明达
Split aptamer sensor based on nanogold as well as preparation method and application of sensor
PendingCN112630439ALow detection limitEasy to operateBiological testingFluorescence/phosphorescenceCitrate sodiumBiophysics
The invention belongs to the field of sensors, and relates to a split aptamer sensor, in particular to a split aptamer sensor based on nanogold as well as a preparation method and application of the split aptamer sensor. Based on an energy transfer principle, nanogold is used for quenching an FAM fluorophore; and in combination with a split type aptamer recognition mechanism, a high-sensitivity split type aptamer sensor based on nanogold is constructed. The preparation conditions of the sensor are subjected to experimental optimization, such as the use amount of sodium citrate in the combination process of AuNPs and P2, the ratio of AuNPs to P2, the stabilization time of a working solution and the like. When the optimized working solution is used for detecting ATP, a result shows that the detection range of the sensor is 30pmol / L to 15nmol / L, the high-sensitivity linear detection range is 30pmol / L to 3330pmol / L, the detection limit is 30pmol / L, and the sensor has high specificity and has great application potential.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Opioid compounds and their uses
The present invention relates to opioid compounds, especially to C14 esters and ethers of naltrexone and analogs thereof. The present invention also relates to compositions, methods and medical uses that employ such compounds. More specifically, the present invention pertains to compounds of formula: and to their use in the treatment of diseases and disorders including pain, hyperalgesia, addiction, substance abuse disorders, stress, anorexia, anxiety, depression, cough, asthma, hypertension, gastrointestinal motility disorder, water retention, cognitive disorders, and locomotor disorders.
Owner:UNIVERSITY OF BATH +1
An energy-saving and high-efficiency inkjet printer
InactiveCN105500923BSimple structureImprove printing effectTypewritersOther printing apparatusEngineeringIdler-wheel
Owner:蒙托壁(杭州)智能科技有限公司
Multi-scale topological optimization method based on isogeometric analysis
The invention discloses a multi-scale topological optimization method based on isogeometric analysis, and belongs to the field of structure optimization. Comprising the steps that macro-scale geometric models, micro-scale geometric models and isogeometric grids are constructed based on an NURBS primary function, design variable fields are arranged in the macro-scale geometric models and the micro-scale geometric models respectively, the macro design variable field is used for describing distribution of microstructures, and the micro design variable field is used for describing configuration of the microstructures; an isogeometric analysis-based homogenization method is adopted to calculate the elastic tensor of the microstructure; endowing the microstructure elastic tensor to a macroscopic isogeometric grid unit, constructing a multi-scale isogeometric topological optimization model based on an NURBS primary function, and optimizing the distribution and configuration of the microstructure at the same time according to an optimization criterion method; and filling the microstructure configuration into the macroscopic geometric model according to an isogeometric mapping strategy to obtain a porous structure. Due to the fact that the regular design variable field can be mapped into the specified irregular geometric model through the isogeometric mapping strategy, multi-scale optimization can be carried out on the special-shaped structure.
Owner:HUAZHONG UNIV OF SCI & TECH
A kind of preparation method of graphene quantum dot
The invention provides a preparation method for a graphene quantum dot. The preparation method comprises the following steps: preparing low-temperature expanded graphite; dispersing the low-temperature expanded graphite in a sodium dodecyl sulfate aqueous solution, carrying out ultrasonic treatment and centrifuging treatment, and subjecting a supernatant to filtering so as to obtain a transparentlight-black solution; and subjecting the transparent light-black solution to dialysis in deionized water, and removing impurities which are soluble in sodium dodecyl sulfate so as to obtain a transparent light-gray graphene quantum dot solution. The preparation method for the graphene quantum dot provided by the invention has the advantages of clear process and principle, simple and controllable operation, economy, high efficiency, sustainability, high product yield and high product quality through intercalation-stripping-dispersion treatment to an expanded graphene raw material by combinationof high-power ultrasonic wave in an SDS solution.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com