136results about How to "Structurally intact" patented technology

The invention provides a method for cladding surfaces of an active material of an anode and / or the anode and methods for manufacturing the anode and a battery. In the cladding method, an atomic layer deposition technology is adopted to deposit surface modification substances on the surfaces of the active material of the anode and / or the anode of a lithium battery. According to the invention, the cycle performance and the specific capacity of the lithium-ion battery can be improved obviously and electrode materials are more stable.

The invention belongs to the welding industry, and particularly relates to an anti-sulfur well mouth valve body welding repair method, and in particular to a welding repair method of 4130 medium-carbon alloy steel in an anti-sulfur valve body with the hardness being 197 HBW -237 HBW. The anti-sulfur well mouth valve body welding repair method is characterized by comprising the following steps that a product to be repaired is cleaned to determine a damage position; a pit badly eroded needs to be polished; a workpiece is totally preheated to 130 DEG C before welding; filling of the pit is firstly achieved by adopting the argon tungsten-arc welding; then, the machined surface is subject to repair welding; the local or total heat treatment insulation is performed for 3 hours at 640 DEG C; in the welding repair method, preheating is performed to reach 130 DEG C before welding; the local or total heat treatment insulation is performed for 3 hours at 640 DEG C after welding; and the Ar+CO2 mixed gas arc welding is adopted in the method, and the method greatly increases the product utilization rate and improves the comprehensive efficiency.

The invention belongs to the welding industry, and particularly relates to an anti-sulfur well mouth valve body welding repair method, and in particular to a welding repair method of 4130 medium-carbon alloy steel in an anti-sulfur valve body with the hardness being 197 HBW -237 HBW. The anti-sulfur well mouth valve body welding repair method is characterized by comprising the following steps that a product to be repaired is cleaned to determine a damage position; a pit badly eroded needs to be polished; a workpiece is totally preheated to 130 DEG C before welding; filling of the pit is firstly achieved by adopting the argon tungsten-arc welding; then, the machined surface is subject to repair welding; the local or total heat treatment insulation is performed for 3 hours at 640 DEG C; in the welding repair method, preheating is performed to reach 130 DEG C before welding; the local or total heat treatment insulation is performed for 3 hours at 640 DEG C after welding; and the Ar+CO2 mixed gas arc welding is adopted in the method, and the method greatly increases the product utilization rate and improves the comprehensive efficiency.

The invention provides a graphene / copper composite and a preparation method of the graphene / copper composite. Copper-nickel alloy powder and crystalline flake graphite are ball-milled mechanically jointly, alcohol is added as a wet milling medium during mechanical ball milling, and copper powder oxidation can be avoided. Graphene is stripped from the graphite by virtue of a mechanical force; at the same time, due to the presence of copper-nickel micro powder, a stripping process of the graphite is promoted; the spherical copper-nickel alloy powder is changed into sheeted powder by the action of the ball milling to obtain graphene / copper composite powder preliminarily; and a graphene / copper composite block, a composite wire and a composite tape are obtained by powder metallurgy, hot extrusion and rolling technologies. According to the composite, the graphene is dispersed uniformly; interface bonding between a matrix and a reinforcement; and the graphene / copper composite has excellent physical properties. According to the composite and the method, a technology is simple, a process is easy to control, and a scale production application is easy to achieve.

The invention discloses a method for producing graphene, which comprises the step that: graphite powder is subjected to wet ball milling in organic solvent, wherein the surface tension of the organic solvent is 30 to 45 mNm-1; and the surface of a milling ball used for the wet ball milling is wrapped with soft polymer. After adopting the scheme, the method selects and uses a ball milling process widely applied in the actual production to peel off graphite. Compared with the prior art, the method has the following advantages that: 1) the damage of rigid collision between the milling balls to the graphite crystal structure is effectively reduced by adopting the soft polymer to wrap the hard milling balls, meanwhile, the soft polymer has stronger friction force with the graphite so as to greatly improve the milling and peeling effects, and the yield of the graphene can reach 30 to 50 weight percent; 2) the adopted ball milling process is easier to expand the scale and implement industrialized production; 3) except little defect at the edge part, the graphene crystal structure is kept intact; and 4) the graphene product has even thickness which is kept between 1 and 2 carbon atom layers.

The invention provides a graphene / silver composite material and a preparation method thereof. The preparation method comprises the steps of adding a reducing agent and silver nitrate successively into a graphene oxide solution, combining silver powder obtained by reduction and graphene oxide in the solution, so as to obtain graphene oxide / silver composite powder; drying the graphene oxide / silver composite powder to obtain graphene / silver composite powder; and obtaining graphene / silver composite blocks, composite wires and composite strips through powder metallurgy, hot extrusion and rolling techniques. According to the graphene / silver composite material and the preparation method provided by the invention, the graphene is dispersed uniformly in the composite material, the interface bonding between a substrate and an enhanced body is good, and the composite materials is excellent in physical performance; meanwhile, the preparation method is simple in process, is likely to control the process and likely to realize large-scale production and application.

The invention provides a functionalized ZIF type metal organic framework (MOF) porous material. A framework of the material comprises metal ions Zn<2+> or Co<2+> as well as imidazole and aminobenzimidazole. The material is excellent in physical and chemical stability and overcomes the defect that a traditional MOF porous material is sensitive to water; the material has a good CO2 adsorption property; besides, a lithium ion battery manufactured with the material as an electrode material has good electrochemical properties, and furthermore, after N cycles, the specific discharge capacity of the lithium ion battery tends to be stable, wherein N is greater than or equal to 10; as a result, the functionalized ZIF type MOF porous material has bright application prospect in the field of lithium ion batteries.

A bake-bent low-radiation coated glass relates to coated glass, in particular to low-radiation coated glass. The invention provides a low-radiation coated glass and an interlayer thermal-insulation glass composed of the low-radiation coated glass, wherein the film structure of the low-radiation coated glass comprises a glass plate, a first dielectric layer, a low-radiation layer, a second dielectric layer, and a protective layer, wherein the film structure of one embodiment comprises a glass substrate SiOx / SiOxNy / SnOx / NiCrOx / ZnSnOx / Ag / NiCrOx / SnOx / SiOxNy film from inner to outer at the glass plate, the low-radiation coated glass, PVB (polyvinyl butyral) and another glass plate are layered to form an interlayer thermal-insulation glass which visible light transmission is more than 76% and solar energy transmission is lower than 53%, therefore, the interlayer thermal-insulation glass is particularly applied on vehicle front shield glass.

The invention discloses low-emissivity coated glass which can be baked to be bent, relates to coated glass, in particular to the low-emissivity coated glass. The invention provides the low-emissivity coated glass and a sandwich heat-protecting glass formed by the low-emissivity coated glass. The low-emissivity coated glass is sequentially provided with a glass sheet, a first dielectric layer, a low-emissivity layer, a second dielectric layer and a protection layer, wherein, in a preferable embodiment, the coated glass is sequentially provided with glass substrate, SiOxNy, NbOx, NiCrOx, ZnSnOx, Ag, NiCrOx, NbOx and SiOxNy membranous layers. A polyvinyl butyral (PVB) layer and a glass sheet are sequentially overlapped outside the protection layer of the low-emissivity coated glass to form the sandwich heat-protecting glass. The visible light transmittance of the sandwich heat-protecting glass is at least 76%, and the solar energy transmittance is equal to or less than 48%; or the visible light transmittance is equal to or more than 70%, and the solar energy transmittance is equal to or less than 43%. The sandwich heat-protecting glass is particularly suitable for being used as the front windshield glass of an automobile.

The invention belongs to the technical field of fuel cells, and in particular discloses a preparation method of an organic-inorganic composite proton exchange membrane for a fuel cell. The preparation method comprises the following steps of: oxidating a carbon nano tube first, then preparing the carbon nano tube coated by silicon dioxide by using a sol-gel method, and mixing dispersion liquid of the carbon nano tube coated by silicon dioxide with dispersion liquid of sulfonated polymers to prepare a solution casting membrane. The prepared composite proton exchange membrane has high water-absorbing performance and high alcohol resistant performance.

The invention discloses a preparation method of a high-corrosion-resistance polyarylene sulfide sulfone separation membrane, which is characterized by comprising the following steps of: agitating and dissolving the following components in parts by weight at 30-150 DEG C of 100-300 parts of polyarylene sulfide sulfone, 1-150 parts of hydrophilic polymer, 1-400 parts of additive and 300-900 parts of solvent; carrying out vacuum de-foaming and curing to obtain a uniform polymer solution; immersing a polyarylene sulfide sulfone porous flat plate membrane, a hollow fiber membrane or a dense membrane prepared by a phase transferring method or a solvent evaporation method into an organic solvent which takes a concentrated acid as a catalyst to be oxidized by an oxidant; and then carrying out procedures of water washing, pore keeping and drying, and removing a residual solvent to obtain the high-corrosion-resistance polyarylene sulfide sulfone separation membrane. The separation membrane disclosed by the invention has the very strong stability and can be widely applied to separation fields of medicines, biochemistry, foods, metallurgy, coal mines, fuel batteries containing acids, alkalis and organic solvents, and high-temperature and strict production conditions.

The invention relates to a micro-fluidic chip which comprises a first passage, a second passage, a third passage, a fourth passage, a fifth passage and a sixth passage e, wherein a first node, a second node and a third node are sequentially distributed on the first passage along forward flow, and the first passage is divided into a first sub passage and a second sub passage after the third node; the first sub passage and the second sub passage intersect at a fourth node to interflow to be an eighth passage; the second passage and the third passage are distributed on the two sides of the first passage, and are communicated with the first passage through the first node; the fourth passage and the fifth passage are distributed on the two sides of the first passage, and are communicated with the first passage through the second node; the sixth passage is communicated, at the fourth node, with the first sub passage, the second sub passage and the eighth passage. The micro-fluidic chip provided by the invention has a multistage structure, can be used for preparing hollow nano-particles with multistage core-shell structures, and achieves the possibility of packaging and loading different medicines.

The invention relates to a bendable low-emission coated glass. A film structure of the bendable low-emission coated glass is as follows from glass substrate to outside: a glass substrate, a first dielectric layer, a low-emission layer, a second dielectric layer, and a protection layer. Compared with the prior art, the bendable low-emission coated glass of the invention utilizing chemical compatibility has excellent physical performance, flexible configuration, convenient control, higher deposition efficiency, and good bend resistance. Key performance indicators of the glass after being bent do not change. The glass has low emission. Visible light transmittance of laminated glass composed of the bendable low-emission coated glass is above 76%, and solar transmittance thereof is less than 48%; or the visible light transmittance is above 70% and the solar transmittance is less than 43%. The glass is suitable for the windshield glass of an automobile.

The invention belongs to the field of pathological detection reagents, and particularly relates to environment-friendly transparent dewaxing liquid, a preparation method thereof and application of the environment-friendly transparent dewaxing liquid in preparing a pathological section. The environment-friendly transparent dewaxing liquid is prepared from the following raw materials by a mass ratio: 20-60% of white oil, 12-45% of nonane, 6-35% of octane, 5-20% of heptane, 4-25% of castor oil, 3-18% of pentanol and 2-9% of hexanol. The dewaxing liquid disclosed by the invention is simple in formula and reasonable in collocation, and can serve as a clarifier and a dewaxing agent used during preparation of the pathological section, so that a pathological section process is completely free from a xylene reagent.

The invention belongs to the field of cell treating fluid, and particularly relates to alkali solution based cell preservation treating fluid and a preparation method thereof. The alkali solution based cell preservation treating fluid is mainly composed of an egg white dissolution agent, a red blood cell cracking agent, an alkaline substance, a corrosion remover and distilled water. The alkali solution based cell preservation treating fluid is mainly used in cooperation with a membrane type liquid based thin-layer cell slide preparation machine and can enhance the cell adhesion capability of a modified glass slide, promote cervical cell enrichment so as to firmly attach cervical cells to the specially-prepared glass slide and effectively reduce the phenomenon of leak detection. Meanwhile, the novel alkali solution based cell preservation treating fluid has the advantages of being free of toxicity, environmentally friendly, capable of rapidly and thoroughly achieving sterilization, low in cost, convenient to configure, safe and efficient.

The invention belongs to the field of self-cleaning organic / inorganic composite films, and particularly relates to an underwater self-cleaning superoleophobic mineralized fibrous film with a non-woven fabric structure and a preparation method of the underwater self-cleaning superoleophobic mineralized fibrous film. The underwater self-cleaning superoleophobic mineralized fibrous film with the non-woven fabric structure is produced by the following steps: a polymer fibrous film with the non-woven fabric structure and containing a mineralizing regulator is obtained by an electrostatic spinning method; the fiber surface of the polymer fibrous film is controllably mineralized by a biomineralization method so as to obtain the organic / inorganic composite underwater self-cleaning superoleophobic mineralized fibrous film with good stability. In air, the invasion of the film surface is hydrophilic; in water, the invasion of the surface is superoleophobic; and in water, the contact angle of the film surface to oil is more than 150 degrees.

The present invention provides a bone screw including a tubular body (1) with a bone thread (5) in at least a portion of its outer wall, the tubular body having an open first end (2) and an open second end (3); wherein at the open first end (2) a plurality of cutting teeth (4) is provided and wherein at the second end (3) a structure (31, 310) for engagement with a screwing-in tool (100) is provided. The invention also provides a tool used for being inserted into the bone screw, wherein the tool includes a structure (102, 103) for engagement that join with the structure (31, 310) for engagement of the bone screw to form a guide thread.

The invention provides a lithium ion battery electrode material. The electrode material comprises a metal-organic framework, and the metal-organic framework includes at least one diazole and at least one metal ion. Experiments confirm that the above lithium ion battery electrode has good charge and discharge cycle stability, and after multi-time cycle, the metal-organic framework still has a good structure, and the discharge specific capacity of the battery tends to stability, maintains at a high valve and has a small change amplitude, so the lithium ion battery electrode material is an electrode material with a good application prospect.

The invention discloses a carbon fiber buoy and a production technology thereof. The outermost layer of the carbon fiber buoy is covered with carbon fiber cloth 2; a carbon fiber rod 1 and a glass fiber rod 3 are respectively glued at the two ends; the carbon fiber cloth coats a processed PU inner core; the PU inner core is hollow. The carbon fiber buoy also mainly protects a production technology of the carbon fiber buoy. The carbon fiber buoy is an integral body which is high in intensity, free of headshot, not easy to break off, light in quality, high in buoyancy force and high in degree of sensitivity. Meanwhile, the production technology is simple in method, an iron core which is placed in is molded in twice, and then the iron core is taken out to glue with a buoy head and a buoy foot. Therefore, the production technology is greatly simplified.

The invention relates to a method for preparing an angiotensin converting enzyme (ACE) inhibitory peptide from sea cucumber. The method comprises the following steps of: de-salting and softening raw materials including fresh sea cucumber, or dry sea cucumber, or soaked sea cucumber, or high-pressure sea cucumber; after preparing slurry, adding water into the slurry; heating the slurry to kill microorganisms; after cooling the slurry, adding composite proteolytic enzyme or flavor proteolytic enzyme into the slurry to perform enzymolysis; killing enzymes; after cooling, centrifuging the product to remove undissolved substances; filtering the supernatant fluid in a pipe; filtering the filtrate with a 3,000 Dalton organic membrane to trap and classify; and performing nano filtration and drying on the trapped liquid which is less than 3,000 Dalton in mass to obtain the ACE inhibitory peptide. A zymolytic technical scheme is optimized; and due to the separation and extraction technology of pipe filtration, ultrafiltration and nano filtration, the extraction efficiency is high, and the pressure-reducing effect of the obtained ACE inhibitory peptide is good. The method is reasonable in process, simple and convenient in operation and high in operability; and industrial production is easy to realize.

The invention discloses a polyarylenesulfidesulfone hollow fiber and flat plate separating membrane and a preparation method thereof. The polyarylenesulfidesulfone hollow fiber and flat plate separating membrane is characterized in that 12-28 parts of polyarylenesulfidesulfone, 1-10 parts of polyvinylidene fluoride, 2-8 parts of hydrophilic polymer, 2-10 parts of an additive and 2-10 parts of a solvent are added into a dissolution kettle, stirred and dissolved at the temperature of 120-160 DEG C, subjected to centrifugal filtration to remove solid impurities and subjected to standing and defoaming for 2-4 hours, and polymer dope is prepared; the polymer dope is uniformly scraped on a glass plate by a flat plate type membrane scraping machine, a solvent is pre-evaporated for 10-60 seconds, a primary membrane is immersed into a coagulating bath for curing to obtain a polyarylenesulfidesulfone separating membrane, the temperature of the glass plate is 20-60 DEG C, the humidity is 50%-90%, and the temperature of the coagulating bath is 20-60 DEG C; or the polymer dope is sprayed from an annular spinning nozzle through wet spinning, passes by a 0-10 cm spinning line, is immersed into the coagulating bath and is stretched, wound and formed, a spinning core liquid adopts an ethanol solution with concentration of 50%, the temperature of the coagulating bath is 20-60 DEG C, the spinning humidity is 50%-90%, and the polyarylenesulfidesulfone hollow fiber separating membrane is prepared.

The invention discloses a two-photon dye contained metal organic frame material for detecting physiological temperature. The metal organic frame material can realize fluorescence temperature detection of all-brand biological transparent windows and has the chemical formula of [M(L)x(G)y].(R)n, wherein M is a metal ion, L is a triangular symmetrical organic ligand containing a tricarboxylate group, G is a solvent molecule, and R represents a dye molecule in a pore. The material is prepared with a solvothermal method and emits visible light in a range of 650-700 nm under excitation of laser being 1000-1064 nm. The two wavelength ranges are located in a second biological window and a first biological window, and the problem of absorption by water can be effectively solved; the material is luminous, sensitive to temperature, good in cycling performance and capable of effectively detecting the physiological temperature. Quantum efficiency and thermal stability of dye after being loaded are obviously improved, stability in water and a PBS (physiological buffer solution) is high, and biocompatibility is good. The material is expected to be applied in the fields of biomedicine and the like.

The invention relates to a method for treating a capsule drug for surface anesthesia of anesthesiology department. The method comprises the following steps: 1) taking out a capsule treatment device and disinfecting, wherein the capsule treatment device comprises a clamping shell and an adsorbing head; the clamping shell comprises a rectangular base plate, a lateral plate, a vertical insert strip, a horizontal insert slot and a front baffle; the adsorbing head comprises an accommodating slot, an air vent, a piston chamber, a driving chamber, a threaded rod, a piston, a driving nut, a driving worm and a rear through hole; 2) placing the capsule; 3) adsorbing the capsule; 4) collecting drugs. The method has the advantages of high reliability, high operation precision and convenience in operation; the structure of the capsule can be kept complete; the method is especially suitable for the splitting of independent capsule.

The invention provides a manufacturing method of a memory. The manufacturing method comprises the following steps of: providing a substrate comprising a memory cell region and a peripheral region, wherein a plurality of gates are formed on the substrate, the lateral wall of each gate is provided with a first clearance wall, and a plurality of openings are arranged among the gates of the memory cell region; forming a first material layer on the substrate of the memory cell region, wherein the first material layer covers the gates of the memory cell region and fills the openings; treating the peripheral region; removing a part of first material layer and forming first patterns in the openings; forming a second material layer on the substrate, wherein the second material layer covers the peripheral region and the memory cell region and exposes the first patterns; removing the first patterns and forming a plurality of contact window openings in the second material layer; and respectively forming a contact window plug in the contact window openings. In the invention, the clearance wall can provide favorable electric insulation for the gates, a self-aligned contact window is formed between the adjacent clearance walls, and therefore, the memory has favorable element characteristics.

The invention belongs to the technical field of fuel cell proton exchange membranes, and particularly discloses a method for preparing a boron phosphate coated carbon nanotube composite proton exchange membrane. According to the method, sulfonated polyether ether ketone is used as the base material, and boron phosphate coated carbon nanotubes are used as the dopant, so that the membrane is prepared. The composite proton exchange membrane prepared through the method is excellent in overall performance. Moreover, the preparation technology is simple, the material cost is low, and the method can be applied to proton exchange membrane fuel cells.

The present invention relates to a method for preparing zeolite FAU / mullite and LTA / mullite composite zeolite hollow microspheres by using flyash hollow microbeads as raw material and utilizing crystal seed induction in-situ hydrothermal crystallization process. The flyash is a solid waste, and contains lots of glass body with hollow structure, called flyash hollow microbeads. Said invention uses two different small granular zeolites of FAU and LTA as crystal seed, and makes them implement hydrothermal crystallization in NaOH alkali solution containing aluminium or containing no aluminium, and makes the active silicon aluminium components in the flyash hollow microbead crystallize into zeolite, and the inert mullite can not be converted, the original hollow structure can be retained so as to can obtain the composite hollow microspheres supported by outer-layer compact zeolite membrane.

The invention discloses a high anti-violence type underground refuge chamber blast airtight door. The high anti-violence type underground refuge chamber blast airtight door comprises an airtight door body, wherein the back surface of the airtight door body is provided with multiple longitudinal reinforcing ribs which are arranged in parallel, the middle part of the airtight door body is provided with multiple first horizontal reinforcing ribs which are located in the same straight line, the upper part and the lower part of the airtight door body are both provided with multiple second horizontal reinforcing ribs which are located in the same straight line, and third horizontal reinforcing ribs are arranged between the first horizontal reinforcing ribs and the second horizontal reinforcing ribs; a grid type reinforcing rib framework is formed after the first horizontal reinforcing ribs, the second horizontal reinforcing ribs and the third horizontal reinforcing ribs are both welded on the longitudinal reinforcing ribs. According to the high anti-violence type underground refuge chamber blast airtight door disclosed by the invention, when the airtight door body suffers from an impact effect as a novel grid type reinforcing rib framework is formed by adding the using amount of steel in a tension zone at the other side of each reinforcing rib, the impact load can be effectively borne, and the undamaged structure of the airtight door body can be ensured.

The invention discloses a preparation method of a halogen-free flame-retardant polypropylene foam material, and the method comprises the following steps: (1) weighing 100 parts by weight of polypropylene, 5-35 parts by weight of an intumescent composite flame retardant and 1-5 parts by weight of a foaming aid, uniformly mixing, and carrying out extrusion granulation to prepare expandable polypropylene particles; (2) putting the expandable polypropylene particles prepared in the step (1), water, a dispersing agent and a foaming agent into a high-pressure reaction kettle, pressurizing and heating, and pre-foaming to obtain foamed polypropylene beads; and (3) carrying out steam molding on the foamed polypropylene beads prepared in the step (2) to obtain the halogen-free flame-retardant polypropylene foam material. The preparation method provided by the invention has the advantages that the influence of the addition of the intumescent flame retardant on the foam pore form and the foaming ratio of the foamed polypropylene is solved; and the polypropylene foam material with stable foaming ratio, intact cell structure and excellent mechanical property and flame retardant property is prepared.

The invention relates to a novel tow chain cable. The novel tow chain cable comprises an electric wire core and tow chain rings. The tow chain rings are flat ring cylinder-shaped. Bar magnets extending along the axial direction of the tow chain rings are evenly arranged in the circumferential direction in the tow chain rings. All the bar magnets are consistent in the direction of magnetic pole arrangement. Translation wheels are also equidistantly installed on the external ring surface of the tow chain rings. The wheel surfaces of all the translation wheel pass through the axes of the tow chain rings. Annular lines are carved on the internal ring surfaces of the tow chain rings. The cable is simple in structure and convenient for storage and use; and rapid stretching and translation of the cable can be realized, and lateral movement of the cable can also be realized so that work efficiency can be substantially enhanced.

The invention discloses a polyarylenesulfidesulfone / sulfonated polymer composite separation membrane and a preparation method thereof. The preparation method of the polyarylenesulfidesulfone / sulfonated polymer composite separation membrane is characterized by comprising the following steps: adding 10-30 parts of polyarylenesulfidesulfone, 1-10 parts of a sulfonated polymer, 2-10 parts of a surfactant, 2-12 parts of an additive and 58-70 parts of a solvent into a dissolving kettle with a stirrer and a temperature gauge, stirring and dissolving at the temperature of 120-160 DEG C to prepare a polymer raw solution; preparing the polymer raw solution by a flat membrane scraper or a hollow fiber spinning machine to obtain the polyarylenesulfidesulfone / sulfonated polymer composite separation membrane. The polyarylenesulfidesulfone / sulfonated polymer composite separation membrane has the advantages of high flux, good hydrophilia, pollution resistance and high porosity, and can be used in the field of separation, concentration, extraction and purification.