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

70results about How to "No broken" patented technology

Preparation method of silicon chip metallographic specimen

The invention discloses a preparation method of a silicon chip metallographic specimen. The preparation method comprises the following steps: (1) proportioning and mixing acrylic resin powder and a liquid curing agent uniformly according to instructions, adding an organic solvent with the weight of 5-25% of the total weight of the acrylic resin powder and the liquid curing agent, and mixing uniformly to prepare a cold inserted agent; (2) placing a silicon chip on the bottom of a silicon gel cold inserted mold, pouring the cold inserted agent prepared in the step (1), and curing; and (3) carrying out polishing and corrosion treatment on the cured metallographic specimen, wherein the organic solvent is ethanol, glycol or isopropanol. The preparation method of the silicon chip metallographic specimen disclosed by the invention has the advantages that the metallographic specimen of the ultra-thin and fragile silicon chip can be prepared, structure morphologies such as dislocation with clear materials are obtained, the phenomena of wrapping, crashing and the like of the ultra-thin silicon chip in specimen insertion and polishing processes are avoided, the problem that the micro scratch of the ultra-thin silicon chip is difficult to remove is solved, and the metallographic specimen of the ultra-thin silicon chip is prepared successfully.
Owner:SUZHOU XIEXIN INDAL APPL INST

Corrugated guardrail plate

The invention discloses a corrugated guardrail plate comprising a baseplate fixedly connected with an obstruction block or a standing column, wherein corrugated plates respectively extend out of two sides of the baseplate; the baseplate is integrated with the corrugated plates; the corrugated plates protrude to the same side of the plate face of the baseplate and exceed the plate face of the baseplate; a smooth transition is adopted between the baseplate and each corrugated plate; both the baseplate and the corrugated plates extend in the length direction of the guardrail plate and are thermoplastic composite plates; and each thermoplastic composite plate comprises a reinforcing frame wrapped in a thermoplastic material layer. Aiming to overcome the defects of high probability of corrosion, high rigidity and poor collision energy absorption of a steel guardrail plate, small elastic modulus, large size and high cost of an all-plastic guardrail plate, and complex manufacturing technology and worse collision energy absorption of a plastic-steel guardrail plate, the invention provides the corrugated guardrail plate, which has the advantages of corrosion resistance and appropriately matched rigidity and flexibility and can reduce harm to a vehicle and personnel to the greatest extent.
Owner:HUNAN JINHONG TECH CO LTD

Millimeter level mesoporous ozone oxidation catalyst and preparation and application method thereof

The invention discloses a millimeter level mesoporous ozone oxidation catalyst and preparation and an application method thereof, belongs to the technical field of water processing, and aims to solve the problems that the hydrodynamic performance of a conventional ozone oxidation catalyst is bad, the catalytic efficiency is low, and the stability is insufficient. The millimeter level mesoporous ozone oxidation catalyst comprises cerium, titanium, zirconium, and oxygen, is a millimeter level mesoporous spherical particle, has a unique crystal structure, at the same time, has the advantages of durable and stable catalytic activity, excellent hydrodynamic characteristics and pore structure, high compression strength, acid/alkali resistance, ligand stability, oxidation resistance, and thermal stability, and can prominently improve the mineralization degree of ozone oxidation. The valence composition of active components is not changed after repeated use. The preparation method comprises the following steps: preparing millimeter level mesoporous titanium-zirconium composite microspheres by a calcium alginate template method, and then combining cerium and the titanium-zirconium compound by an impregnation method. The provided catalyst can be applied to fixed bed reactor/fluidized bed reactor wastewater treatment, and can be thermally regenerated when pollutants are accumulated on the catalyst.
Owner:NANJING UNIV

High-fiber additive-free pure-corn noodle and environment-friendly production method thereof

The invention relates to high-fiber additive-free pure-corn noodle and an environment-friendly production method thereof, belonging to a food processing technology. The preparation method of the high-fiber additive-pure pure-corn noodle comprises the steps of after impurities are removed through screening ripen corn kernels, melting and expanding through high-pressure steam, crushing, improving textures, carrying out fine-crushing, blending, forming and the like to produce the high-fiber additive-free pure-corn noodle. The high-fiber additive-free pure-corn noodle produced by adopting the invention has the advantages of being good in binding force, proper in extensibility and flexibility, good in boiling fastness, and pure in corn flavor, improving the digestibility of the corn foods, and developing the main food function and the nutrition health care function of the corn. The production method is mild in conditions in a production process, does not adopt any chemical and biological synthesis technologies, is free of pollution, waste residue, waste steam and harmful substances, and realizes the environment-friendly production; no non-corn grain raw materials and products are added, thus the pure flavor of the corn is ensured; no gluten fortifier, thickening colloid, enzyme preparation or preservative is added, no chemical reagents are used, thus the eating safety is ensured.
Owner:吉林省正源食品有限责任公司

Tube nest type micro-powder heat exchanger

The invention discloses a tube nest type micro-powder heat exchanger comprising a feed box and a heat exchange box. The feed box is arranged at the upper end of the heat exchange box, a discharge hopper is arranged at the lower end of the heat exchange box, and a vibrating motor is arranged outside the discharge hopper. Heat exchange tubes are arrayed in the heat exchange box, a water inlet box cover communicated with the heat exchange tubes is arranged outside the heat exchange box, and a water outlet box cover communicated with the heat exchange tubes is arranged outside the heat exchange box. The tube nest type micro-powder heat exchanger has the advantages of simple structure, convenience in manufacturing, no accessory devices, low device cost, non-breakable grain crystals, low energy consumption, small occupation space and the like. Materials generally go down among the heat exchange tubes in the heat exchange box, the grain crystals are less breakable, and product quality is effectively improved. Only the vibrating motor in the heat exchanger consumes energy, water for heat exchange is recycled, no dust and waste gas is discharged, energy saving and emission reduction effects are remarkable. Besides, the heat exchanger practically without motion parts during operation is good in stability and low in maintenance and can produce great economic and social benefits for users.
Owner:CHENGDU TIANBAO HEAVY IND

Simple preparation method for metallographic phase sample of silicon wafer

The invention disclosers a simple preparation method for a metallographic phase sample of a silicon wafer. A flat cylinder is used as a carrier plate of the silicon wafer, and the method comprises the following steps of: placing a hot melt adhesive on the carrier plate, and heating the carrier plate until the hot melt adhesive is molten; flatly placing the silicon wafer in the middle of the carrier plate and covering on the hot melt adhesive, and applying force to the silicon wafer by using the other flat pressing block; cooling the carrier plate to room temperature to ensure that the hot melt adhesive is cured; polishing the prepared sample; after polishing, heating the carrier plate again to ensure that the cured hot melt adhesive is molten, allowing the silicon wafer to fall off and taking down the silicon wafer; and washing the silicon wafer to finish the metallographic phase sampling of an ultra thin silicon wafer. The process is simple, and is convenient to operate, and low in implement cost; and the prepared thin silicon wafer sample is not warped or crushed, and is stable during polishing; the key point is that after processing, the silicon wafer can be conveniently taken out, the omnibearing observation of the microstructure of the ultra thin silicon wafer can be realized, the specific area can be selected conveniently for component or structure analysis, and in-situ multi-angle and multi-means representation and detection of the specific area of the silicon wafer can be performed.
Owner:SUZHOU XIEXIN INDAL APPL INST

Preparation method of spherical alpha-aluminum oxide powder

The invention discloses a preparation method of spherical alpha-aluminum oxide powder, and belongs to the technical field of inorganic non-metallic materials. The preparation method of the spherical alpha-aluminum oxide powder comprises the following steps: S1, hydrolyzing a rectified and purified organic aluminum salt under the pH value of less than 8 to obtain an aluminum sol; evaporating to remove the organic solvent in the aluminum sol under a vacuum heating condition; S2, mixing the aluminum sol into a non-polar organic solvent, stirring at a high speed to form an emulsion, adding a certain amount of a stabilizer into the emulsion to form spheroidized aluminum hydroxide sol particles, carrying out centrifugal separation on the spheroidized aluminum hydroxide sol particles, and carrying out vacuum drying to obtain spherical aluminum hydroxide sol powder; and S3, inputting the dried powder prepared in the step S2 into a vertical high-temperature furnace, and enabling the dried powder to pass through a high-temperature region of 1100-1300 DEG C for 60-180 minutes so as to obtain the spherical alpha-aluminum oxide powder. According to the method, the alpha-phase conversion rate can be increased, the particle size of the prepared aluminum oxide powder is controllable, and the powder is free of agglomeration and breakage.
Owner:SUZHOU NANODISPERSIONS

Carbon fiber-added microcapsule shape-stabilized phase-change material and preparation method thereof

The invention discloses a carbon fiber-added microcapsule shape-stabilized phase-change material and a preparation method thereof. The carbon fiber-added microcapsule shape-stabilized phase-change material comprises the following components in parts by weight: 50 to 100 parts of a core material, 200 to 500 parts of chloroform, 0.2 to 0.6 part of an emulsifying agent, 15 to 30 parts of toluene diisocynate, 6 to 15 parts of ethidene diamine and 0 to 100 parts of distilled water, wherein the core material comprises paraffin, polyethylene and carbon fiber powder, and the weight ratio of the paraffin to the polyethylene to the carbon fiber powder is (30-70):(20-50):(5-15). The microcapsule shape-stabilized phase-change material provided by the invention adopts the polyethylene and the carbon fiber as composite supporting materials, the mechanical strength of the microcapsules is greatly enhanced, the microcapsules are not broken when 10-Kg pressure is applied, and the microcapsule shape-stabilized phase-change material can be widely applied to various aspects in the field of buildings and in the fields of military, civil use, household appliances and the like. The carbon fiber-added microcapsule shape-stabilized phase-change material is wrapped by an interface polymerization method, loss of the paraffin can be retarded or stopped, heat storage and release functions of the phase-change material are guaranteed, the service life of the phase-change material is prolonged (after heat storage and release is conducted for 50 times, attenuation is zero), and the carbon fiber-added microcapsule shape-stabilized phase-change material can adapt to more use environments.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Spherical activated carbon ozone catalyst with high alkalinity on surface and application of spherical activated carbon ozone catalyst

The invention provides a spherical activated carbon ozone catalyst with high alkalinity on the surface. The spherical activated carbon ozone catalyst is prepared by the following steps: mixing asphaltof a low softening point and an oxidation accelerator with a Lewis catalyst, adding a surfactant and a water suspension, performing sphere formation, performing carbonization and activation so as toobtain a mesoporous spherical activated carbon catalyst, further adding an alkali liquid, performing sufficient mixing and modification, uniformly mixing the components through gradient temperature change, performing washing till the pH value is stable, performing vacuum drying, so as to obtain mesoporous spherical activated carbon with high alkalinity on the surface. The material is high in catalytic activity, is capable of significantly improving the efficiency of converting ozone into hydroxyl radicals and promoting mineralization of refractory pollutants, is good in stability and can maintain high catalytic activity in long-term use. The catalyst can be applied to treatment on organic pollutants, and is beneficial to adsorption and intragranular diffusion and mass transfer of pollutants, and the degradation efficiency can be improved.
Owner:EAST CHINA UNIV OF SCI & TECH +2

Polishing machine

The invention discloses a polishing machine, which comprises a frame, a transmission shaft, a motor, an upper hopper, a lower hopper and polishing sleeves, wherein the motor and the lower hopper are arranged on the frame; the polishing sleeves comprise an outer polishing sleeve and an inner polishing sleeve; the inner polishing sleeve is welded to the transmission shaft; the outer polishing sleeve is sleeved outside the inner polishing sleeve; the inner part of the outer polishing sleeve and the outer part of the inner polishing sleeve are provided with an outer sleeve polishing cushion and an inner sleeve polishing cushion respectively; the outer polishing sleeve consists of two half sleeves; the tops of the half sleeves of the outer polishing sleeve are provided with a lifting lug; the lifting lug is connected to a screw through a bolt; the upper part of the screw is connected to an adjusting plate through a bolt; the middle part of the adjusting plate is welded with a nut which is connected with the screw; the upper part of the screw is provided with a groove which is clamped on a circular hole part in the middle of an adjusting frame; and the top of the screw is provided with a hand wheel. The polishing machine has the advantages of guaranteeing that the material is not damaged, along with good dust removal effect for the material, low single-machine working cost, long service life, convenience in replacement, small size and less space.
Owner:樊超

Elastic agent for well cementation, preparation method thereof and elastic isolation fluid

The invention discloses an elastic agent for well cementation, a preparation method thereof and an elastic isolation fluid, and relates to the field of petroleum drilling engineering. The elastic agent is prepared from raw materials comprising the following components, in parts by weight: 20-35 parts of bisphenol A, 10-25 parts of epichlorohydrin, 10-12 parts of diglycidyl ether, 0.1-0.3 part of sodium hydroxide, 10-20 parts of diethylenetriamine, 20-30 parts of propylene carbonate, 15-30 parts of amino polyether, 10-20 parts of dimethylimidazole, and 5-15 parts of a foaming agent. The elastic agent is not smashed under a high temperature of 150 DEG C and a pressure of 70MPa, thus when the elastic isolation fluid is introduced to the bottom of a high-temperature and high-pressure well for displacement, final effects of the elastic isolation fluid is guaranteed to not be influenced by in-advance gas releasing caused by particle smashing. The elastic isolation fluid containing the elastic agent can be used within a temperature raising range of 0 DEG C to 150 DEG C under closed environments, the applicable temperature difference range between a mudline temperature and a bottom hole temperature is wider, the elastic isolation fluid can be used for all stages of sleeve annular space, and guarantees annular space pressure increasment to be less than largest anti-collapse strength of each stage of the sleeves.
Owner:ZHANJIANG BRANCH OF CHINA NATIONAL OFFSHORE OIL CORP +1

Lightening admixture

The invention discloses a lightening admixture. The lightening admixture is characterized in that a main ingredient is a high-molecular polymer; the density of cement paste can be reduced to 1.78-1.15 g/cm<3> or less when the mixing quantity is 1-200% of the amount of cement. Compared with the prior art, the lightening admixture has the advantages that the lightening admixture is available in materials, strong in machinability, fine in obtained powder, low in density, non-absorbent, corrosion-resistant, high in withstand pressure of solid particles, free of crushing, wide in adaptive temperature range, stable in chemical properties, and free of poison and taste, can be directly blended into dry cement powder in a dry manner, and can also be compounded with additives such as a retarder, a fluid loss agent, a dispersing agent, a deformer and the like, and other lightening admixtures; low-density cement paste with excellent rheological property can be prepared in absence of additionally added construction equipment; lightweight set cement with strong compactness, good elasto-plastic property and high strength can be formed; the lightening admixture is especially suitable for implementing balance pressure on leaky stratum, so that well cementation is carried out; well leakage is prevented; the quality is ensured; the service life of oil and gas wells is prolonged.
Owner:李越
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products