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

32results about How to "Will not damage the internal structure" patented technology

Method for wet-type burning sea sand to produce high strength building material

The invention relates to a method for wet-type burning sea sand to produce a high strength building material. The method comprises the following steps: weighing sea sand and slaked lime at a weight ratio of 60-90%: 10-40%, stirring and mixing uniformly, adding sea water, mixing, and performing compression moulding to obtain the building material proximate matter green body; demoulding the green body and performing wet type burning to obtain the building material proximate matter product. Through detection, the breaking strength is 20-24MPa, the adding amount of sea water is 5-20% of sea sand and slaked lime; sea sand is a dinas which is directly exploited on the sea land and corroded by the sea water without being desalted; the wet-type burning process comprises the steps of putting the green body in a hydrothermal reactor, and performing hydrothermal solidification for 9-24h at the temperature of 120-240 DEG C. The local material sea sand in the coastal city and the island with rich reserves and low utilization rate is solidified to form a wall brick, a floor tile, a square brick, an artificial fish reef and an ocean river reinforcing dam; the island building cost and time are greatly saved and the method is particularly suitable for the development and construction of a remote island (such as Nansha islands).
Owner:TONGJI UNIV

Method for purifying and separating bacterial cellulose

The invention discloses a method for purifying and separating bacterial cellulose. Firstly, cultured bacterial cellulose is soaked in deionized water to remove a culture medium in the bacterial cellulose, and the bacterial cellulose is soaked in a lysozyme solution; damage of cell walls of bacteria is accelerated by adding ethylenediamine tetraacetic acid or trypsin; then, breakage of cell membranes of bacteria is accelerated through a surfactant and ultrasonic treatment, and residues of bacteria are easy to separate and remove; finally, repeated cleaning is performed, and purified bacterial cellulose is obtained. The purified bacterial cellulose is prepared by use of lysozyme, environmental pollution caused by use of sodium hydroxide, sodium carbonate and other alkaline substances and influence on structures and performance of high polymer materials in bacterial cellulose in-situ compounds are avoided, and the purified bacterial cellulose keeps original three-dimensional shape. The method has the advantages that the operation is easy, the cost is low, the purification time is shortened, the method is green and pollution-free, large-scale production is easy to realize and the like.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Method for rapidly predicting dry density, out-of-kettle moisture content and water absorption rate of aerated concrete

The invention discloses a method for rapidly predicting dry density, out-of-kettle moisture content and a water absorption rate of aerated concrete. The method belongs to the field of new building materials. The method comprises the steps of measuring the size and mass of an aerated concrete test block which is just taken out of a kettle and the mass of the test block reaching saturated water absorption. According to the method, the rapid prediction of the dry density, the out-of-kettle moisture content and the water absorption rate of the aerated concrete are achieved, the problems of long time consumption and complex process of a standard test method are solved, and a new method is provided for product quality management and construction quality control.
Owner:HOHAI UNIV

Flattening and compacting machine for battery

The invention relates to a battery flattening and compacting machine, which comprises a rack, a worktable, positioning devices and a flattening and compacting device; the worktable, the positioning devices and the flattening and compacting device are arranged on the rack; the positioning devices comprise a horizontal positioning device and a vertical positioning device; a guide rail is arranged between the horizontal positioning device and the vertical positioning device; the horizontal positioning device comprises two horizontal positioning parts; the two horizontal positioning parts are respectively and symmetrically arranged at two sides of the guide rail; the worktable is movably arranged on the guide rail; the vertical positioning device is located above the worktable; the flattening and compacting device comprises two flattening and compacting mechanisms; the two flattening and compacting mechanisms are respectively and symmetrically arranged at two sides of the worktable by taking the guide rail as the center, and can move towards the direction of the vertical positioning device. The battery flattening and compacting machine disclosed by the invention has the advantages that a to-be-flattened and compacted battery can be flattened and compacted compactly and flatly, the length of cells of the to-be-flattened and compacted battery and the specific distance of flattening and compacting the cells at the left end and the right end of the to-be-flattened and compacted battery can be accurately controlled, the operation is simple and convenient, and the flattening and compacting quality is high.
Owner:山西横炮专用汽车有限公司

Coke oven gas desulfurization tower

The invention relates to the field of desulfurization towers, and concretely relates to a coke oven gas desulfurization tower. The coke oven gas desulfurization tower comprises a shell, two observation mechanisms, a gas inlet tube, a driving mechanism, a spraying mechanism, a demisting mechanism, a protection mechanism and a water tank. The protection mechanism is fixed in the shell, and the protection mechanism prevents sulfur-containing flue gas from rising along the tower wall of the desulfurization tower and a sprayed circulating liquid from being sprayed on the tower wall, so obstructionof thick incrustation formed on the tower wall to the desulfurization tower is prevented; and spirals of a spiral tube included by the spraying mechanism are communicated through a communication, so the spiral tube is easily stabilized, the circulation of circulating water in the spiral tube is benefited, and the spraying force of the circulating water sprayed from nozzles is increased.
Owner:迁安市宏奥工贸有限公司

Method for loading nano platinum on activated carbon fiber

The invention relates to a method for loading nano platinum on an activated carbon fiber. The method comprises the following steps: mixing and heating the activated carbon fiber and magnesium powder to react, and washing after the reaction is finished, thereby obtaining a reamed activated carbon fiber; and then loading nano platinum on the reamed activated carbon fiber to obtain the activated carbon fiber loaded with nano platinum. According to the method, the active carbon fiber is subjected to reaming treatment so that the number of macropores is increased remarkably, the pore volume is increased accordingly, and the loading capacity of the nano platinum on the activated carbon fiber is increased. In addition, the invention also relates to a method, the reaming treatment method can realize fine control of internal and external pore structures of the activated carbon fiber, and the pore passage surface of the activated carbon fiber subjected to reaming treatment is slightly changed sothat the binding force between the activated carbon fiber and nano platinum is increased, the nano platinum is loaded more firmly, the stability of the nano platinum is improved, the service life ofthe nano platinum is prolonged and the application prospect is good.
Owner:NANTONG UNIVERSITY

Car brake pad doped with aloe fiber powder and manufacturing method of brake pad

The invention discloses a car brake pad doped with aloe fiber powder. The car brake pad comprises, by weight, 10 parts to 30 parts of dewaxing aloe fiber powder, 6 parts to 12 parts of cashew nut shell oil modified phenolic resin, 6 parts to 12 parts of butadiene-acrylonitrile rubber powder, 13 parts to 25 parts of conditioning agents and 30 parts to 60 parts of filling agents. According to the invention, the aloe fiber powder is used as a reinforcing material and can be well bonded with phenolic resin and padding; aloe fibers can be directly carbonized at the temperature of about 300 DEG C, and an internal structure of friction materials cannot be damaged, so that friction performance is kept stable, and the performance of braking can be greatly improved. When friction heating reaches a certain degree, substances formed by decomposing friction material surfaces can form a layer of even and tough carbonized membrane which is not prone to falling off, so that relative stability of friction coefficients can be ensured to the greatest extent, and meanwhile, heat fading temperature of the materials can be improved to a certain degree.
Owner:YANCHENG INST OF TECH

Spot welding machine

The invention discloses a spot welding machine. The spot welding machine comprises a platform, a welding main unit and a driving device, wherein the platform is provided with stations (4), an electrode (9) is installed on the welding main unit, and the driving device is used for driving the welding main unit to operate. The welding main unit is installed on a traveling mechanism (14) which can move in the axis direction of a workpiece (8). The working efficiency of the spot welding machine is effectively improved.
Owner:SEED TECH CORP LTD

Tempered glass

The invention discloses tempered glass which comprises a first glass substrate and a second glass substrate. A reinforced glass plate is connected between the first glass substrate and the second glass substrate in a crossed mode, and a hollow cavity is defined by the reinforced glass plate, the first glass substrate and the second glass substrate. A glass base layer is arranged at the left end ofthe second glass substrate, and the left end of the glass base layer is fixedly connected with a connecting layer. The left end of the connecting layer is fixedly connected with a surface layer, andthe right end of the connecting layer is fixedly connected with a first reinforcing column. The right side of the first reinforcing column is inserted into the left end of the glass base layer, and asecond reinforcing column is embedded between the surface layer and the connecting layer and comprises an annular reinforcing shell, a luminous column and a fluorescent column. According to the tempered glass, by means of the luminous column and fluorescent column structure, the tempered glass is more attractive; by means of the hollow cavity structure, the glass has a good heat insulation and sound insulation effect.
Owner:荆门市欣安泰钢化玻璃有限公司

Implant prosthesis and manufacturing method thereof

The invention provides implant prosthesis and a manufacturing method thereof. The implant prosthesis provided by the invention is compounded with a biological ceramic material on the surface of an inert implant material; the biological ceramic material can show good affinity with biological tissues such as cells, and therefore, the implant prosthesis has high biocompatibility, and a problem that the existing inert implant material is not compatible with the human body is solved. Meanwhile, the biological ceramic material of the implant prosthesis is compounded to the inert implant material, so that an internal structure of the inert implant material is not damaged, and therefore, decline in physical and chemical performances of the inert implant material are not caused. Experiment results indicate that the implant prosthesis prepared by the method disclosed by the invention is good in biocompatibility, free of sensitization and obvious cell toxicity.
Owner:CHONGQING TRADITIONAL CHINESE MEDICINE HOSPITAL

Catalyst regeneration device based on microwave decoking and method

The invention belongs to the technical field of discarded metal catalyst regeneration and discloses a catalyst regeneration device based on microwave decoking. The device comprises a microwave source, a circulator, an electric tuner, a rectangular waveguide short-circuit piston and a quartz reaction chamber which are connected with each other in turn; a resonant cavity is formed in the rectangular waveguide; the quartz reaction chamber is located in the resonant cavity and is used for accommodating the inactivated noble metal catalyst and ventilating; the microwave emitted from the microwave source passes by the circulator and the electric tuner and then is reflected by the short-circuit piston and is oscillated in the resonant cavity so as to form a local strong electric field; the coke attached to the noble metal catalyst is heated and oxidized into gas under microwave effect or falls off under the air disturbance, so that the noble metal catalyst can recover activity. The invention also relates to a catalyst regeneration method based on microwave decoking. According to the invention, the use ratio and regeneration efficiency of the catalyst are increased, the energy is saved and the operation is simpler.
Owner:HUAZHONG UNIV OF SCI & TECH

A battery kneading machine

The invention relates to a battery kneading machine, comprising a frame, a workbench, a positioning device and a kneading device, the workbench, the positioning device and the kneading device are arranged on the frame, and the positioning device includes a horizontal positioning device and a kneading device. A vertical positioning device, a guide rail is provided between the horizontal positioning device and the vertical positioning device, and the horizontal positioning device includes two horizontal positioning parts, and the two horizontal positioning parts are symmetrically arranged on both sides of the guide rail, and the workbench can be The mobile is arranged on the guide rail, the vertical positioning device is located above the workbench, the kneading device includes two kneading mechanisms, and the two kneading mechanisms are symmetrically arranged on both sides of the workbench with the guide rail as the center and can be Move towards the vertical detent. The battery kneading machine of the present invention has the advantages of kneading and compacting the tablets, and can accurately control the length of the battery cell to be kneaded and the specific distance between the left and right ends of the battery to be kneaded, the operation is simple and convenient, and the kneading quality is high The advantages.
Owner:山西横炮专用汽车有限公司

Method for detecting soil mass cracking depth and detection device

The invention discloses a method for detecting soil mass cracking depth. The method comprises the following steps: distributing paired electrodes in layers in a soil mass to be detected; respectively measuring conductivity values among the paired electrodes in each layer of the soil mass by using a conductivity meter; drilling and irrigating among the paired electrodes in each layer of the soil mass, and measuring the conductivity values among the paired electrodes regularly by the conductivity meter; drawing curve graphs of soil mass conductivity values in different moments along with depth variation according to the measured conductivity values between each pair of the electrodes before and after irrigating; and calculating the cracking depth according to the variation conditions of theconductivity values, wherein if the conductivity value has large variation amplitude, the cracking of the depth is more developed, while the conductivity value has small variation amplitude, the cracking of the depth is finely developed. The detecting method cannot destroy the internal structure of the soil mass, and has higher accuracy of the detecting result. The invention also discloses a soilmass cracking depth detecting device.
Owner:HOHAI UNIV

A method for purification and separation of bacterial cellulose

The invention discloses a method for purifying and separating bacterial cellulose. First, the cultured bacterial cellulose is soaked in deionized water to remove the culture medium inside the bacterial cellulose, and the bacterial cellulose is soaked in a lysozyme solution; Aminotetraacetic acid or trypsin accelerates the destruction of bacterial cell wall by lysozyme; then accelerates the rupture of bacterial cell membrane by surfactant and ultrasonic treatment to facilitate separation and removal of bacterial residues; finally, repeated washing is carried out to obtain purified bacterial cellulose. The present invention prepares purified bacterial cellulose by using lysozyme, avoiding the environmental pollution caused by alkaline substances such as sodium hydroxide or sodium carbonate and the impact on the structure and performance of the polymer material in the bacterial cellulose in-situ composite, The purified bacterial cellulose maintains the original three-dimensional shape. The invention has the advantages of simple operation, low cost, shortened purification time, green and pollution-free, easy realization of large-scale production and the like.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Cable metal shielding layer stripping device

The invention discloses a cable metal shielding layer stripping device. The device comprises a driving system, a spring, gears, a needle body, a needle tip, a limiter and a supporting seat; the driving system is connected with the gears, and provides power for the gears; one end of the spring is connected with one end of the needle body, and the other end of the needle body is connected with the needle tip; the limiter is arranged between the needle body and the needle tip; the needle tip penetrates out of the limiter and is used for punching a cable; the gears are arranged on the two sides ofthe needle body, and drive the needle body to move up and down; and the supporting seat is arranged under the needle tip. By punching the cable, rapid stripping of a cable metal shielding layer can be achieved.
Owner:GUIZHOU GUDA CABLE CO LTD

Road dustproof self-cleaning system

The invention discloses a road dustproof self-cleaning system. The system comprises a road pier; a water storage space is formed in the road pier; the inner wall of the water storage space is fixedlyconnected with an atomizing disc; a liquid guide pipe is arranged in the atomizing disc in a penetrating manner; a pressure guide layer is laid on the side, close to the road pier, of a road; a hydraulic cavity is formed below the pressure guide layer; a pressed block is connected into the hydraulic cavity in a sealed and sliding mode; a guide rod is fixedly connected to the side, close to the road pier, of the pressed block; a constant flow block is fixedly connected into the hydraulic cavity in a sealed mode; the guide rod penetrates through the constant flow block in a sealed mode and is fixedly connected with a piston; and the part, located in the constant flow block and the pressed block, of the hydraulic cavity, is filled with low-boiling-point evaporation liquid. According to the road dustproof self-cleaning system of the invention, when vehicles with different body types and weights pass through the pressure guide layer beside the road pier, heat is generated to the pressure ofthe pressed block under a buffering effect, so that the function of outputting cooling water and atomized water under different states is achieved, and air quality is improved.
Owner:郭卫丽

Housing assembly and intelligent terminal with the housing assembly

The present invention provides a housing assembly and an intelligent terminal having same. The housing assembly comprises a housing and a telescopic element; the telescopic element comprises a telescopic body and a supporting table, the telescopic body can movably stretch out and draw back in a direction perpendicular to the side edge of the housing, and the supporting table is connected to the telescopic body; the housing assembly further comprises a limiting element arranged in the housing and arranged outside the supporting table in a surrounding mode, and a driving element comprising a driving rod, a driving unit, and a processing unit; wherein the processing unit receives a driving instruction, the driving rod penetrates into the limiting element and makes bevel contact with one end surface of the supporting table, and the processing unit sends a displacement instruction to the driving unit, so that the driving unit drives the driving rod to apply a supporting force perpendicular to a moving direction of the driving rod to the end surface, so as to control the telescopic element to stretch out and draw back. By means of the novel structural design, the telescopic stroke of the telescopic element can be expanded, for example, when the telescopic element is a physical key, the large stroke gives enough movement space to a user when the finger is pressed, and the fatigue feeling of the user when the physical key is pressed at high frequency is relieved.
Owner:深圳市灰鲨科技有限公司

A kind of method of whole-process cold chain of blueberry

The invention discloses a whole-course cold-chain method for blueberries. The whole-course cold-chain method comprises steps as follows: (1), picking; (2), temporary storage: picked fresh blueberries are transported to temporary storage and refrigeration devices in various plantations; (3), transferring: the fresh blueberries stored in the temporary storage and refrigeration devices are transferred to refrigerator trucks to be transported; (4), quick pre-cooling: the fresh blueberries are transferred to a processing center through the refrigerator trucks and conveyed to a raw material pre-cooling chamber to be pre-cooled, the temperature of the raw material pre-cooling chamber is set to 5-10 DEG C, and a raw material negative-pressure pre-cooling fan is adopted during pre-cooling; (5), processing: the pre-cooled fresh blueberries are conveyed to a processing workshop to be processed and packaged; (6), pre-cooling of finished products and delivery: packaged products are put into a finished product pre-cooling chamber, a finished product negative-pressure pre-cooling fan is adopted, and the products are put into a finished product warehouse with the temperature of 0-1 DEG C after being pre-cooled and are conveyed to destinations in time. With the adoption of the whole-course cold-chain method, the temperature of the blueberries can be guaranteed, the blueberries can be packaged and delivered in 8-9 hours, and freshness and high quality of the fresh blueberries are guaranteed.
Owner:青岛沃林蓝莓果业有限公司

A kind of implant prosthesis and its manufacturing method

The invention provides implant prosthesis and a manufacturing method thereof. The implant prosthesis provided by the invention is compounded with a biological ceramic material on the surface of an inert implant material; the biological ceramic material can show good affinity with biological tissues such as cells, and therefore, the implant prosthesis has high biocompatibility, and a problem that the existing inert implant material is not compatible with the human body is solved. Meanwhile, the biological ceramic material of the implant prosthesis is compounded to the inert implant material, so that an internal structure of the inert implant material is not damaged, and therefore, decline in physical and chemical performances of the inert implant material are not caused. Experiment results indicate that the implant prosthesis prepared by the method disclosed by the invention is good in biocompatibility, free of sensitization and obvious cell toxicity.
Owner:CHONGQING TRADITIONAL CHINESE MEDICINE HOSPITAL

Intelligent prestressed member welded with macromolecule packaging strain gauge and manufacturing method of intelligent prestressed member

The invention discloses an intelligent prestressed member welded with a macromolecule packaging strain gauge and a manufacturing method of the intelligent prestressed member, and relates to a prestressed member and a manufacturing method of the prestressed member. The strain gauge is pasted and fixed on the foil sheet, the bottom of the polymer sealing plate is pasted on the foil sheet, the cavity of the polymer sealing plate covers the strain gauge, and the cavity is filled with an adhesive; and the foils are fixed on the prestressed tendons through spot welding by a spot welding machine. The method comprises the following steps: A, preparing; b, installing a strain gauge; c, mounting a macromolecular sealing plate: covering the strain gauge with a cavity of the macromolecular sealing plate, and bonding the cavity of the macromolecular sealing plate on the foil; d, pouring glue; e, drying: drying the two-component epoxy resin adhesive; and F, spot welding is conducted, specifically, the foil pieces are fixed to the prestressed tendons in a spot welding mode. According to the invention, debonding caused by glue aging can be avoided, a relatively accurate signal value can be obtained, the offset of the strain gauge can be limited, the mechanical property of the prestressed tendon can be ensured, and the device and the method have important significance for monitoring the prestressed member.
Owner:GUANGXI UNIV

A coke oven gas desulfurization tower

The invention relates to the field of desulfurization towers, and concretely relates to a coke oven gas desulfurization tower. The coke oven gas desulfurization tower comprises a shell, two observation mechanisms, a gas inlet tube, a driving mechanism, a spraying mechanism, a demisting mechanism, a protection mechanism and a water tank. The protection mechanism is fixed in the shell, and the protection mechanism prevents sulfur-containing flue gas from rising along the tower wall of the desulfurization tower and a sprayed circulating liquid from being sprayed on the tower wall, so obstructionof thick incrustation formed on the tower wall to the desulfurization tower is prevented; and spirals of a spiral tube included by the spraying mechanism are communicated through a communication, so the spiral tube is easily stabilized, the circulation of circulating water in the spiral tube is benefited, and the spraying force of the circulating water sprayed from nozzles is increased.
Owner:迁安市宏奥工贸有限公司

A cable metal shield stripping device

The invention discloses a cable metal shielding layer stripping device. The device comprises a driving system, a spring, gears, a needle body, a needle tip, a limiter and a supporting seat; the driving system is connected with the gears, and provides power for the gears; one end of the spring is connected with one end of the needle body, and the other end of the needle body is connected with the needle tip; the limiter is arranged between the needle body and the needle tip; the needle tip penetrates out of the limiter and is used for punching a cable; the gears are arranged on the two sides ofthe needle body, and drive the needle body to move up and down; and the supporting seat is arranged under the needle tip. By punching the cable, rapid stripping of a cable metal shielding layer can be achieved.
Owner:GUIZHOU GUDA CABLE CO LTD

A method of wet firing sea sand into high-strength building materials

The invention relates to a method for wet-type burning sea sand to produce a high strength building material. The method comprises the following steps: weighing sea sand and slaked lime at a weight ratio of 60-90%: 10-40%, stirring and mixing uniformly, adding sea water, mixing, and performing compression moulding to obtain the building material proximate matter green body; demoulding the green body and performing wet type burning to obtain the building material proximate matter product. Through detection, the breaking strength is 20-24MPa, the adding amount of sea water is 5-20% of sea sand and slaked lime; sea sand is a dinas which is directly exploited on the sea land and corroded by the sea water without being desalted; the wet-type burning process comprises the steps of putting the green body in a hydrothermal reactor, and performing hydrothermal solidification for 9-24h at the temperature of 120-240 DEG C. The local material sea sand in the coastal city and the island with rich reserves and low utilization rate is solidified to form a wall brick, a floor tile, a square brick, an artificial fish reef and an ocean river reinforcing dam; the island building cost and time are greatly saved and the method is particularly suitable for the development and construction of a remote island (such as Nansha islands).
Owner:TONGJI UNIV

Cloth shoe with high comfort level and manufacturing process thereof

The invention relates to the technical field of shoemaking and provides a cloth shoe with high comfort level and a manufacturing process thereof. The manufacturing process comprises the following steps of S1, leaching, crushing dried paper mulberry bark, adding an acidic ionic liquid aqueous solution, leaching for a period of time, and filtering to obtain filtrate; S2, concentration, adding a binder, a plasticizer, a thickener and a chelating agent into the obtained filtrate, heating, stirring and concentrating until the water content is 10-30wt% to obtain a concentrated solution; S3, sole manufacturing, covering a layer of concentrated solution with the thickness of 1-10mm on the sole substrate, drying and curing the sole substrate, and then arranging a cotton filling layer on the surface of the sole substrate to obtain a sole; and S4, manufacturing the cloth shoes. Through acidic ionic liquid treatment, dissolution and extraction of various effective components in the paper mulberry bark can be accelerated, and bioavailability of the paper mulberry bark is improved; the prepared sole is high in wear resistance and toughness; and the cloth shoes are good in breathability, sweat-proof, free of foot odor and good in health care effect, and meanwhile the comfort of the cloth shoes is improved.
Owner:江西正博实业有限公司

A fire retardant treatment system for wooden fire doors

The invention relates to a flame retardant treatment system for wooden fire doors, comprising a workbench, two sets of rails arranged symmetrically on the workbench, multiple sets of transport trolleys set on the tracks, and a driving part for driving the transport trolleys to move on the tracks , the jig placed on the transport trolley, the heating part for high-temperature treatment of the jig set at multiple intervals on the workbench, and the heating part alternately arranged on the working table for low-temperature treatment of the jig Cooling section and control system for controlling drive section, heating section and cooling section. There are many groups of transport trolleys, and the quantity of transport trolleys in each group is two and arranged on two tracks respectively. The invention is used for producing fire doors, and can make the fire retardant liquid penetrate into the inside of the door panels evenly.
Owner:郑州市天荣建材有限公司

Electroencephalogram signal detection method based on tensor method

The invention discloses an electroencephalogram signal detection method based on a tensor method. The electroencephalogram signal detection method comprises the following steps: step 1, establishing aPARAFAC model based on collected electroencephalogram signals; step 2, performing psychological parameter feature extraction on the electroencephalogram signals by adopting an alternating least square method to obtain a psychological parameter matrix, an electroencephalogram tester channel feature matrix and an acquisition environment matrix; step 3, performing identifiability condition analysison the psychological parameter characteristics through the uniqueness of the PARAFAC model; and step 4, performing fast Fourier transform on the psychological generation mechanism of the electroencephalogram signal psychological parameter matrix, and the psychological abnormal factor parameter, so as to obtain an amplitude-frequency characteristic curve of the psychological parameter for later psychological diagnosis and treatment. The tensor of the invention has a research space in expression and analysis of high-dimensional data, and does not destroy internal structures of some data; and psychological characteristic parameters of the electroencephalogram signals are accurately detected and extracted.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY

Housing assembly and intelligent terminal with the housing assembly

ActiveCN109769053BImprove experienceMaintain the integrity of the outer contourTelephone set constructionsSoftware engineeringControl cell
Provided in the present invention are a shell assembly and a smart terminal provided with the shell assembly, the shell assembly comprising a shell and a button element, the button element comprising a button and a support platform; the button can movably extend out of or retract into the shell in a direction perpendicular to the side edge of the shell, and the support platform is connected to the button; the shell assembly also comprises: a limiting element disposed in the shell and surrounding the outside of the support platform, and being used for limiting the displacement of the support platform; and a drive element, comprising a drive rod, a drive unit, and a processing unit, the processing unit being connected to a control unit for receiving drive commands, the drive rod penetrating through the limiting element and being in contact with the support platform, and the processing unit sending displacement commands to the drive unit on the basis of the drive commands, such that the drive unit drives the drive rod to apply traction to the support platform in order to control the button to extend out from inside the shell or retract in from outside the shell. Using the aforementioned technical solution, the large stroke arrangement of the button provides large stroke movement space to the pressing finger of the user, slowing down the feeling of fatigue when the user presses buttons at a high frequency.
Owner:深圳铭源电玩科技股份有限公司

Zein/polyphenol/nano-zinc oxide composite fiber membrane and preparation method thereof

The invention discloses a zein / polyphenol / nano-zinc oxide composite fiber membrane and a preparation method thereof. The zein / polyphenol / nano-zinc oxide composite fiber membrane has excellent antibacterial property and oxidation resistance, keeps good biodegradability, and has practical application value. The preparation method specifically comprises the following steps of (1) dissolving zein in an acetic acid aqueous solution, then adding gelatin, and uniformly mixing to obtain a zein solution; (2) adding polyphenol into the zein solution, and then heating and stirring to obtain a zein / polyphenol solution; (3) adding nano zinc oxide into the zein / polyphenol solution, and performing ultrasonic treatment to obtain an electrostatic spinning solution; and (4) carrying out electrostatic spinning treatment on the electrostatic spinning solution to obtain filter paper with fibers, and drying to obtain the zein / polyphenol / nano-zinc oxide composite fiber membrane.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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