Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

2363results about How to "Easy to follow up" patented technology

System and method for monitoring and responding to device conditions

A system and method for monitoring and responding to device conditions is provided. A content server monitors sensed conditions of a device. Upon detection of an action-triggering condition, such as an error in the device, the content server accessed databases containing information pertaining to the monitored device in order to determine the nature of the error. When the error is identified, a database including a library of instructional content is accessed and the content server selects appropriate instructional content to enable a user to resolve the issue that prompted the error condition. Once the content server has chosen the correct instructional media, the content is delivered to a device client comprising a display screen at or adjacent the monitored device. Preferably, the instructional media comprises full motion video so that the device user simply copies what is seen on the display in order to resolve the issue. Action-triggering conditions can also include issues such as maintenance needs, training conditions, and user help requests.
Owner:MULLIN TERENCE J

Internet based garbage classification recycling method and system and garbage classification terminal

The invention discloses an Internet based garbage classification recycling method and system and a garbage classification terminal. The Internet based garbage classification recycling system comprises a garbage classification terminal, a cleaner dedicated code scanning device, a client, a system administrator end, a garbage recycling operation management platform and a remote server, wherein the garbage classification terminal, the cleaner dedicated code scanning device, the client, the system administrator end and the garbage recycling operation management platform are respectively connected with the remote server through the Internet. According to the invention, the garbage classification terminal and a classification dustbin are placed in a community; a user prints a bar code tag capable of uniquely identifying a user garbage throwing behavior by using the garbage classification terminal, the bar code tag is adhered to a garbage bag, and the classification dustbin scans the bar code tag and unlocks an electric control lock of a corresponding cover plate for the user to throw; and a cleaner scans the bar code tag by using the dedicated device, checks and uploads a check result to the remote server, and whether the garbage is classified and thrown correctly or not is enabled to be associated with user scores and industrial scores of the cleaner.
Owner:JINAN UNIVERSITY

Composite hydrogel for adsorption of heavy metal ions and preparation method thereof

The invention discloses composite hydrogel for adsorption of metal ions and a preparation method thereof. The hydrogel comprises, by weight, 5-95 parts of polyvinyl alcohol, 5-95 parts of chitosan, 0.1-20 parts of modified graphene oxide and 2-6 parts of sodium alginate, the weight ratio between the polyvinyl alcohol and the chitosan is (5: 95)-(95: 5), modified graphite oxide includes modified graphene oxide modified by dopamine and / or modified graphene oxide modified by ferroferric oxide, all components are uniformly mixed in a certain sequence, and the composite hydrogel is obtained under special conditions. The composite hydrogel for adsorption of the heavy metal ions and the preparation method thereof have the advantages that high speed, high efficiency, high adsorption capacity and high selectivity are achieved, the adsorption effect on the heavy metal ions is remarkable, meanwhile, the preparation process is simple, and the operability is high.
Owner:JIANGNAN UNIV

Oil tank cleaning robot

The invention discloses an oil tank cleaning robot. The robot comprises a robot body, a walking unit, a cleaning unit, a control unit, a sensing communication unit and a power supply unit, wherein the robot body comprises a base plate, a lower casing and an upper casing, the walking unit comprises three driving wheels and three driving wheel hydraulic motors, the cleaning unit comprises a cleaning device and a self-excitation pulse device, the cleaning device comprises three cleaning disk brushes and three cleaning disk brush hydraulic motors, the self-excitation pulse device comprises a pulse device hydraulic motor, a retractable beam assembly and a self-excitation oscillating pulse nozzle, the control unit is composed of a remote control portion and a robot body control portion, and the sensing communication unit comprises a pressure sensor, a temperature sensor, an infrared sensor, an ultrasonic sensor, a horizontal attitude sensor, a turbidity sensor, a camera and an oil-gas concentration monitor. The robot is novel in design, high in intelligent degree, high in working reliability, good in safety performance, energy-saving, environment-friendly, high in practicability, high in popularization and application value and capable of achieving omni-directional cleaning.
Owner:周利坤

Oil sludge cleaning and processing system for oil tank

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.
Owner:周利坤

Method for producing MnO2 supported catalyst as well as method of using the same and apparatus for treating waste water

The invention discloses a method for preparing MnO2 supported catalysts, an application method thereof and a wastewater treatment device. The preparation method comprises the following steps: manganese acetate is prepared into a solution; one of activated carbon, active aluminium sesquioxide, white silica gel, a molecular sieve, zeolite or diatomite is taken as a carrier and dipped in the solution; and supported solid catalysts are prepared through dipping, evaporation, concentration, drying and roasting. A reactor of the wastewater treatment device is divided into a plurality of reaction spaces by baffles, and the catalysts exist as fluidized beds on every baffle. When the MnO2 supported catalysts prepared by the method are used in the reaction of degrading refractory organic matter through ozone catalytic oxidation, the contact time among the MnO2 supported catalysts, wastewater and ozone is between10 and 120 minutes, and the mass ratio of the adding amount of the catalysts to the wastewater in the reaction is between 1 to 200 and 1 to 20. The MnO2 supported catalysts prepared by the method have the characteristics of easy recovery, high repeat utilization property and high efficiency of catalyzing and degrading refractory organic matters.
Owner:GUANGDONG UNIV OF TECH

Device for reducing and sorting food waste at the source

The invention discloses a device for reducing and sorting food waste at the source, and belongs to the technical field of municipal environmental protection machinery. The device is characterized in that: food waste is poured into a feed system and is conveyed into a dehydration system, a sliding box is driven to slide in a housing through a propeller of the dehydration system, a extruding way or a beating way is adopted to complete the food waste dehydrating; the resulting sewage from the dehydration step enters a sewage box from a compression bin to enable a oil and water separation system to extract greases; the solid materials after completing the dehydration are pushed out from the compression bin and enter into a material discharge system; the solid materials are output through the material discharge system and wait for centralized processing. After being processed by the device provided by the present invention, the food waste is divided into three portions comprising the water, the greases and the solid materials so as to conveniently carry out post-treatments such as reuse production of the greases and the solid materials, regeneration treatment of the water source and the like. The device has characteristics of strong processing ability, low failure rate, high automaticity, simple and easy operation and maintenance, no requirement of chemical additives, high dehydration rate, short retention time of the food waste in the device, and the like, and is benefit for improving efficiency of resource reutilization production so as to achieve effect of energy saving and emission reduction.
Owner:曹泽民

Hydrogel for sewage treatment as well as preparation method thereof

The invention relates to hydrogel for sewage treatment as well as a preparation method thereof. The hydrogel comprises 5-90 parts of polyving akohol, 5-90 parts of chitosan, 0-20 parts of sodium carboxymethylcellulose, 0.05-0.3 part of graphene oxide and 3-5 parts of sodium alginate. The hydrogel provided by the invention can adsorb heavy metal ions in water efficiently, and has the characteristics of high adsorption capacity, high selectivity, cyclic regeneration and recycling, biodegradation and the like.
Owner:HENAN UNIV OF URBAN CONSTR

Flash tracking imaging method for acquiring movement parameter of moving target

The invention discloses a flash tracking imaging method for acquiring movement parameters of a moving target. The method utilizes a pulse laser as an illuminated light source and a CCD (Charge Coupled Device) provided with a strobing gate as an imaging device based on a range gating imaging technology and realizes the imaging of a movement trail of the moving target through the working mode of a time delay integral. By adopting the range gating, the range information of the target can be acquired, and the target can be extracted from a complex background, thereby reducing the complexity of post-treatment; and by adopting the time delay integral, the movement trail of the target can be directly acquired. The movement parameters of the target can be inverted through establishing a corresponding relation between a three-dimensional space and a bidimensional image plane of an interested zone of observation, wherein the movement parameters mainly comprise the space position, the speed and the acceleration of the target. The invention has favorable working environment adaptability, can directly acquire the 3D movement trail of the target and realize the non-contact measurement of the movement parameter of the target.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Sparingly soluble active component particle, particle preparation and preparation method thereof

The invention discloses a sparingly soluble active component particle, a particle preparation and a preparation method thereof. The preparation method of the sparingly soluble active component particle comprises the following steps: dissolving sparingly soluble active component and ionic polymer into an alkaline solution or an acidic solution, and then mixing the alkaline solution and acidic solution to change the pH value of solutions so as to precipitate the sparingly soluble active component and ionic polymer from the mixed solution to form particles; and the performance of the sparingly soluble active component particle is improved. According to the preparation method, sparingly soluble active component and ionic polymer are co-precipitated, at the same time, a preparation technology is adopted, and two technologies are tightly combined to prepare the sparingly soluble active component particle preparation. The prepared preparation has the advantages of excellent dissolving-out characteristic, high bioavailability, small individual difference, good stability, and good content uniformity.
Owner:SINOTHERAPEUTICS

Rapid license-plate positioning method based on definition and luminance evaluation

The invention discloses a rapid license-plate positioning method based on definition and luminance evaluation. The rapid license-plate positioning method includes the following steps: 1, carrying out definition evaluation based on noise and sharpness on an input image; 2, carrying out gradient sharpening processing if the definition is insufficient, and carrying out Gaussian fuzzy processing if the definition is excessively high; 3, converting the RGB image into a grey-scale image; 4, carrying out luminance evaluation on the grey-scale image; 5, carrying out illumination unification processing if the luminance is abnormal; 6, extracting the perpendicular edges in the image through a Scharr operator; 7, carrying out local self-adaption threshold processing; 8, filtering the noise through morphological processing, and fusing the perpendicular edges to form a communicated area; 9, carrying out area marking on the communicated area, carrying out screening according to the characteristics of Chinese license plates, and obtaining a license plate area.
Owner:SUN YAT SEN UNIV

Chemical scrubbing method for boiler

The invention relates to a method of cleaning a boiler, in particular to a method of chemically cleaning a boiler, which comprises the following steps: caustic cleaning, acid cleaning, rinsing, passivating and liquid waste processing. The invention has the advantages that: 1. raw material adopted in the whole cleaning process has little toxic side effect and is environment-friendly. 2. Technological mistaken ideas on cleaning various prior boilers are overcome. 3. Sequential processing is easy according to cleaning solutions.
Owner:宁夏电力科技教育工程院

Efficient fruit cleaning device

The invention discloses a high-efficiency fruit cleaning device, which comprises a base. Support plates are arranged on the left and right sides of the base, and support plates are fixedly arranged between the support plates. The top of the support plate is connected to a cleaning pool through ball rotation. The inner wall is provided with a number of uniformly distributed stirring blades, and the bottom of the cleaning tank is fixedly connected with a rotating shaft. The rotating shaft passes through the supporting plate, and a driven gear is installed on the rotating shaft. The bottom of the supporting plate is fixedly equipped with a first motor, and the first motor The motor shaft at the bottom end is connected with a driving gear, and the driving gear meshes with the driven gear; a fixing seat is fixedly arranged on the top of the support plate, and a second motor is arranged on the fixing seat, and the motor shaft at the bottom end of the second motor is connected with a The lifting screw rod is connected with a screw seat matched with the lifting screw rod, and the screw seat is fixedly connected with a cover plate. The present invention adopts the cleaning mode in which the fruit box matches the cleaning tank, and the cover plate covers the cleaning tank during cleaning, thereby avoiding water splashing.
Owner:临泉县生产力促进中心

Automatic data matching method based on mobile terminal location information

The invention discloses an automatic data matching method based on mobile terminal location information. In the method, the consumer can automatically find target businesses in specific areas. The system for realization of the method comprises a central server, a POS terminal and a mobile phone. The central server, the POS terminal and the mobile phone are connected through a mobile communication network. When the consumer enters the area with a registered mobile phone, the central server continuously track position changes of the consumer, automatically search information on POS machines of businesses in the area, and transmitting the information to the mobile phone of the customer, and the mobile phone serves as a shopping guide for the customer to automatically find nearby target businesses. An intelligent consumption guide system between the customer and the service provider can be constructed only with the existing equipment, thereby greatly reducing the system construction cost, and helping the customer to quickly find the ideal service provider. Due to the human design such as location positioning, automatic matching and the like, the invention is very suitable for rapid processing of large amounts of data.
Owner:深圳积享通信息技术有限公司

Moving an image displayed on a touchscreen of a device having a motion sensor

A method and associated device for moving an image of displayable content displayed on a touchscreen of the device. Movement of an object along the touchscreen of the device toward an outer edge of the touchscreen is detected, and in response, the displayed image is moved toward the outer edge in synchronization with the detected movement of the object. It is determined that the object has traversed the outer edge of the touchscreen so as to no longer be touching the touchscreen, and in response, one or more motion sensors are activated to monitor the object for continuing movement of the object. The one or more motion sensors ascertain the continuing movement of the object away from the outer edge, and in response, the displayed image is moved toward the outer edge in synchronization with the ascertained continuing movement of the object.
Owner:IBM CORP

Vehicle registration extract method in complicated background based on wavelet transforming

This invention provides one car pad extraction method based on wavelet exchange complex background, which comprises the following steps: adopting rough positioning an accurate positioning; the fine positioning adopts wavelet to extract pad area high frequency information for brightness and color regression process to get one integral background and number color composed of identification number pad.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Method for separating V-Ti-Fe concentrate fines

The invention provides a method for separating vanadium-titanium iron fine powder, which comprises the following steps that the vanadium-titanium iron fine powder is sufficiently reduced by a reducing agent under a condition of not less than 500 DEG C, and the reduced vanadium-titanium iron fine powder is grinded and graded; the graded vanadium-titanium iron fine powder is subjected to weak magnetic separation or medium strong magnetic separation, and the magnetic separation object is of high-purity reduced iron powder; the remainders which are subjected to the weak magnetic separation or medium strong magnetic separation are subjected to high-gradient strong magnetic separation; the high-gradient strong magnetic separation object is of titanium dioxide (rutile), and the remainders which are subjected to the high-gradient strong magnetic separation are of high-grade vanadium slag which can be used as raw materials to produce vanadium products; or the remainders which are subjected to the weak magnetic separation or medium strong magnetic separation can also be mixed, roasted and immersed with sodium carbonate, the immersing liquid is acidified by sulfur to produce khaki or read and yellow sedimentation; and the sedimentation is filtered and calcined to obtain vanadium pentoxide products. The method has the characteristics of completely, effectively and economically separating the vanadium-titanium iron fine powder into high-purity reduced iron powder, titanium dioxide and vanadium pentoxide, thereby providing a feasible way for comprehensive utilization of the vanadium-titanium iron fine powder.
Owner:BEIJING BOYUAN HENGSHENG HIGH TECH

Infrared and visible light image real-time fusion system based on heterogeneous multi-core architecture

The invention discloses an infrared and visible light image real-time fusion system based on a heterogeneous multi-core architecture. The system uses a heterogeneous multi-core processor, with an ARM core and a DSP core as cores, to take charge of the control flow and the data sending and receiving and processing logic of the whole system, complete video data collection and real-time enhancing and fusion of infrared and visible light images, and display and output the video data after fusion. The ARM core is responsible for real-time data collection of both infrared light and visible light video data and real-time transmission of compressed data after image fusion. The DSP core is responsible for registration preprocessing and image enhancement preprocessing of the infrared light input image, real-time fusion of the infrared light and visible light video data, and real-time encoding compression of the video data after fusion. A three-layer Laplacian pyramid structure is used for the real-time fusion. The system is high in computation efficiency, good in compatibility, high in extensibility and adaptability, and convenient and highly efficient in software developing.
Owner:SICHUAN UNIV

Focusing method and apparatus, cameras and camera system

The invention discloses a focusing method and apparatus, a cameras and a camera system. The focusing method comprises the steps of acquiring preset position information; determining whether the preset position information is in a preset position database; if so, acquiring a latest recorded focus motor positional value corresponding to the preset position information from the preset position database; driving a focus motor to move to the focus motor positional value; triggering automatic focusing; acquiring a focus motor positional value after the automatic focusing is completed; determining whether the number of focus motor positioning values, corresponding to the preset position information, recorded in the preset position database is greater than or equal to a first threshold; if the number is greater than or equal to the first threshold, determining whether the positional difference is less than or equal to a second threshold; and if the positional difference is less than or equal to the second threshold, acquiring a focusing correct result. The invention has the advantages of high correct rate of preset position focusing adjustment, real-time update of historical data, quick acquisition of clear images.
Owner:SUZHOU KEDA TECH

Preparation and application of paint waste water treatment agents

The invention relates to preparation and an application of paint waste water treatment agents. The paint waste water treatment agents comprise viscosity reducing agent A and flocculants B, wherein the viscosity reducing agent A is aqueous solution, is formed by compounding organic bentonite, 6501 nonionic surface active agents and high-molecular polymers prepared from formaldehyde and three kinds of organic compounds: aniline, urea and starch through reaction, has high electric neutrality and can fast neutralize paint particle charges, so dope loses the viscosity. The flocculants B is aqueous solution, is formed by compounding sodium alginate aqueous solution, sodium lignosulphonate aqueous solution and chitosan modified cation polyacrylamide aqueous solution with the molecular weight being 8 to 12 million, has high coacervation effect and can gather paint particles losing the viscosity. The paint waste water treatment agents have good viscosity reduction and coacervation effects on water-soluble and fat-soluble dope. When the paint flocculants are applied to paint spraying waste water treatment, the agent A and the agent B are sequentially added into paint-containing circulating water, more than 90 percent of paint in the waste water can be cleaned.
Owner:WUHAN UNIV OF TECH

Preparation method of fibrous nano silicon carbide

InactiveCN103496703APlay the role of "template"High yieldMaterial nanotechnologySilicon carbideFiberRocket
The invention discloses a preparation method of fibrous nano silicon carbide. The preparation method is characterized by comprising the following steps: taking a carbon source and chrysotile asbestos of which the main chemical ingredient is silicon dioxide according to the molar ratio of carbon to silicon dioxide being (0.3-3):1; separately grinding the carbon source and chrysotile asbestos, evenly mixing to obtain a mixture; putting the mixture into a reaction device, vacuumizing, and continuously introducing argon in the reaction device; heating to 1350-2500 DEG C and carrying out thermal reaction for 0.2-6 hours; cooling to room temperature, stopping introduction of argon; collecting the reduction product, and grinding into fine powder which is the fibrous nano silicon carbide powder product. The preparation method has the advantages that raw materials are easily availably and equipment and technology are simple; moreover, the preparation method is friendly to environment and high in productivity. The prepared fibrous nano silicon carbide has good performances, can be widely applied to high-tech equipments such as nose cones of space shuttles, brakes of airplanes and racing bicycles, rocket nozzles, satellite antennas, guided missiles and the like, and also has broad use in nanometer microsystems.
Owner:SOUTHWEAT UNIV OF SCI & TECH

PVC high-weatherability imitation-wood crust foaming material

The invention provides a high-weatherability imitation-wood crust foaming material with high hardness, good toughness, high weatherability and low cost. According to the invention, titanium pigment and an ultraviolet absorbent are added to a common forming material. High weatherability and high thermal stability of rutile type titanium dioxide are utilized; and excellent thermal stability, chemical stability and light stability of the ultraviolet absorbent are utilized. The two materials are adopted in combination in the foaming material, such that the thermolability of the PVC material is effectively reduced, and the weatherability of the foaming material is improved. Organic or inorganic toners are adopted, such that an imitation-wood effect can be achieved through the blending of the toners. With the technical scheme provided by the invention, the appearance of the material is improved; and the use of wood powder is avoided, such that use of wood is reduced. Therefore, the material is beneficial for environmental protection. With the material provided by the invention, the risks during the production and the application processes are reduced.
Owner:ANHUI GUANGDE JINPENG NEW MATERIAL MFG

Fenton and air-float integral water treating method

The invention discloses a Fenton and air-float integral water disposal method, which comprises the following steps: adding Fenton agent into armed waste water; setting mass ratio of hydrogen dioxide solution of Fenton agent against COD of armed water at 0.3-3:1; reacting at 0.5-5 h; using alkality material to adjust Fenton agent armed water pH value at 6-10; proceeding floating treatment; setting air-float air-solid ratio at 0.03-0.06, surface loading at 7-15m3 / m2.h and stopping time at 10-40 min; removing floating contaminant and most of dissolving organic contaminant.
Owner:SOUTH CHINA UNIV OF TECH

Pipeline apparatus for hyacinth salvage boat

The present invention relates to a water hyacinth rescure vessel flow line equipment, belonging to the field of environment protection technology. Said invention includes double-body vessel vessel-body, high-pressure water gun, telescopic crawler wheel, press-filtering cabin, fixed crawler wheel, storage cabin and drive cabin. Said invention also provides their connection mode and working mode. Said invented cutting mode is novel, does not wear cutting tool and can prevent serious secondary pollution, and can raise working efficiency by 30%-50%.
Owner:SHANGHAI JIAO TONG UNIV

Integrated methane dry fermentation device

The invention relates to an integrated methane dry fermentation device and belongs to the field of energy conservation. The device consists of two parts, namely an anaerobic fermentation tank 9 of an inner cylinder and a stack retting tank 5 of an outer cylinder; and the anaerobic fermentation tank 9 of the inner cylinder is wrapped by the stack retting tank 5 of the outer cylinder, wherein the stack retting tank 5 of the outer cylinder consists of an outer cylinder feed port 10, an outer cylinder discharge port 16, a heat insulating layer 15, a thermal reflecting film 26, an outer cylinder filter screen 18, an outer cylinder fermenting liquid outlet 25, a liquid storage box 22, an air draft cover 27, an air cap 3, an air guide pipeline 4, a gravel stratum 17 and a net 11; and the anaerobic fermentation tank 9 of the inner cylinder consists of an inner cylinder feed port 6, an inner cylinder discharge port 19, an air outlet 8, a temperature sensor 12, an inner cylinder filter screen 20, an inner cylinder fermenting liquid outlet 21, a temperature controller 13, a liquid storage box 22, an electric heater 24, a circulating water pump 14, a liquid storage pipeline 1, a one way valve 2 and a nozzle 7. The device strengthens a ventilation control system, a liquid stream stirring system and a temperature controlling system of the methane dry fermentation device, has the advantages of reasonable structure, high processing efficiency, energy conservation, convenient subsequent processing, no environmental pollution and the like and is in particular suitable for the methane fermentation of a low-temperature region.
Owner:UNIV OF SCI & TECH BEIJING

Phosphate-doping silicon carbon negative electrode material for lithium ion battery and preparation method of phosphate-doping silicon carbon negative electrode material

The invention discloses a phosphate-doping silicon carbon negative electrode material for a lithium ion battery. The phosphate-doping silicon carbon negative electrode material is formed by sinteringa phosphate-doping nanosilicon material, graphite and an organic carbon source after spray granulation. The invention also proposes a preparation method of the phosphate-doping silicon carbon negativeelectrode material for the lithium ion battery. The preparation method comprises the steps of uniformly dispersing the nanosilicon material in a phosphoric acid solution, and performing spraying anddrying to obtain the phosphate-doping nanosilicon material; performing primary sintering on the phosphate-doping nanosilicon material; and uniformly dispersing the phosphate-doping nanosilicon material subjected to primary sintering in water, adding the graphite and the organic carbon source, and performing spraying, drying and secondary sintering after complete dispersion. The preparation methodof the phosphate-doping silicon carbon negative electrode material for the lithium ion battery, proposed by the invention, has the advantages of simple process, low cost and convenient subsequent processing mode and is convenient to operate, the raw material is natural and available, mass production is easy, and the obtained negative electrode material is high in electron conductivity and small involume expansion.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Method for preparing polystyrene/conductive polymer composite hollow microspheres

The invention discloses a method for preparing polystyrene / conductive polymer composite hollow microspheres, which comprises the following steps of: adding aniline or pyrrole and acid or mixture thereof into polystyrene emulsion under the protection of inert gas, stirring the obtained mixture for at least 10 minutes, and then adding an initiator into the mixture to perform polymerization, whereinthe molar ratio of the aniline or the pyrrole to the acid is 0.2 to 0.8, the weight ratio of the aniline or the pyrrole to the polystyrene is 0.1 to 1.0, and the initiator is ammonium persulfate, potassium persulfate, iron trichloride or ferrous sulfate heptahydrate / hydrogen peroxide. Different from the traditional method for preparing the hollow polymer microspheres, the method does not need high-temperature calcination or solvent denucleation treatment and can prepare the polymer composite hollow microspheres by one step, and the microspheres have good appearance and monodispersity. The method is simple, has a few operation steps, and is easy for subsequent treatment; and because the used solvent is a green solvent, the method is safe and reliable, and has low cost.
Owner:BEIJING NORMAL UNIVERSITY

Construction method of public health emergent event domain knowledge base

InactiveCN104573006AAccurate expansionFollow-up processing is convenientSpecial data processing applicationsDatabase design/maintainanceRelevant informationEmergency treatment
The invention relates to a construction method of a public health emergent event domain knowledge base. The method comprises the following steps: analyzing each domain involved by a public health emergent event life cycle, and searching a related document to obtain a corpus; constructing an event frame by extracting attribute information in a sentence; processing text information to form a standard information markup system; taking the obtained attribute information as a seed attribute, designing a seed mode, and selecting new matching related information depending on the seed information to obtain more attribute information; constructing a public health emergent event domain body by using the attribute information. The public health emergent event domain knowledge base constructed by the construction method of the domain knowledge base is more accurate and complete, simple and efficient, a new emergency plan is favorably generated and executed, a standard reference is provided for emergency treatment of emergent events, the emergency treatment efficiency can also be improved, and a reference is provided for next scientific research.
Owner:NANTONG UNIVERSITY

Preparation method of highly dispersed micron order flake silver powder with large radius-thickness ratio

InactiveCN106694904AGood dispersionExcellent particle size uniformityTransportation and packagingMetal-working apparatusAdhesiveReducer
The invention provides a preparation method of highly dispersed micron order flake silver powder with a large radius-thickness ratio. The type of silver powder is prepared by performing reaction on a silver salt solution (as an auxiliary shape adjustor) comprising a surfactant, an ascorbic acid solution (as a reducer) and an acidic solution (as a primary shape adjustor) by taking water as a solution. By adjusting the reaction parameters, highly dispersed micron order flake silver powder with large radius-thickness ratio and the content of 80% or above is obtained in one step. According to the preparation method provided by the invention, the operation is simple, the reaction condition is mild the cost is low, the output of silver powder is high and the repeatability is good, a conventional ball-milling step is cut out, and the preparation method is suitable forscale production and can be used in the fields of conductive slurry, electric contact materials, conductive adhesives and the like.
Owner:SINO PLATINUM METALS CO LTD
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
PatSnap group products