30results about How to "Stable diffusion" patented technology

The invention belongs to the technical field of copper alloy powder, and particularly relates to a preparation method for spherical dispersion strengthening aluminum bronze powder. The preparation method comprises the following steps that aluminum bronze prealloy raw materials are put in a graphite crucible of a medium-frequency induction furnace, vacuum melting is carried out, and then sphericalaluminum bronze powder is formed through a gas atomization process; nanometer dispersed phase micro powder is put into pure water, meanwhile, an organosilicone type surface active agent is added, andafter ultrasonic dispersion, a colloidal solution is formed in water through nanophases; the spherical aluminum bronze powder is put into the colloidal solution, a mixture is sufficiently stirred andput in a drying oven to be heated and dried; obtained powder is put into a material mixing tank to be mixed, the powder rubs, and then the spherical dispersion strengthening aluminum bronze powder isobtained. Compared with the prior art, a coating prepared through the aluminum bronze powder is compact in structure, dispersed phase particles in nanometer size to submicron size are distributed in the coating, the sizes of the dispersed phase particles are stable, the dispersed phase particles are evenly distributed in a film layer which is obtained through cold spraying and is of a layer structure, and a particle dispersion strengthening effect is achieved.

The invention relates to a device and method for measuring the influence range of coal seam blasting through trace gas. The device mainly comprises a gas-injection device and a trace gas storage and collection device. The device is characterized in that the gas-injection device is constituted through the step that after being connected with a gas bottle gas-injection connecting head, a gas pipe ofa trace gas bottle is connected with an injected gas pressure adjusting valve, a pressure gauge with a pressed adjusting valve and a gas-injection pipe with a gas pressure measuring adjusting valve through a three-way pipe; and the trace gas storage and collection device is constituted through the step that a gas extraction pipe is connected with a gas storage and collection box through a connecting head pipe with a valve. According to the method for measuring the influence range of coal seam blasting through the trace gas, the blank of actual measuring of the influence radius of coal seam blasting of a mine is made up; by utilizing the characteristics of stable diffusion and easy capturing of the trace gas SF6 and under the condition that it can be ensured that normal production of the mine is not influenced, the influence range of coal seam blasting is accurately measured; and the method is easy to operate and low in cost and has great economical and popularization properties.

The invention discloses an automobile silencer, and relates to the technical field of automobile silencer production. The automobile silencer comprises a shell provided with an air inlet pipe and an air outlet pipe. The inner space in the shell is divided into a first cavity and a second cavity by a separating disk with holes in the air inflow direction. The tail end of the air inlet pipe is blocked. The air inlet pipe penetrates through the separating disk and stretches into the second cavity. Multiple through holes of the air inlet pipe are uniformly distributed on the pipe wall of the first cavity and the pipe wall of the second cavity. Multiple through holes are formed in the separating disk. Compared with the prior art, the automobile silencer can solve the problems that the silencing effect of an existing automobile silencer is bad, and the service life is short.

The invention discloses a preparation process of a light electronic packaging material which consists of aluminum and silicon, wherein the content of silicon in mass percent is 30-80% and the balance is aluminum. The process comprises the steps of: mixing the aluminum and the silicon and then placing the mixture in a vacuum induction furnace for smelting at a temperature of 800-1300 DEG C so as to obtain a consumable electrode bar; loading in an electric slag furnace for electric slag smelting, wherein the work voltage of the electric slag furnace is 20-40V, the work current is 1-10kA, the arc strike block is a pure aluminum block and the arc strike slag is CaF2; adding electric slag which is thermally insulated for 4-8h at a temperature within 500-800 DEG C in the smelting process, wherein the addition of the electric slag is 3-4% of the quality of the consumable electrode bar and the electric slag consists of 20-30% of Na3A1F6, 25-35% of NaC1 and 45-55% of KC1 in mass percent; and annealing the aluminum-silicon cast ingot which is rapidly solidified by a water cooling crystallizer for 3-5h at a temperature within 325-375 DEG C after the smelting of the electric slag.

The present invention provides a discharge lamp which provides stable diffusion of a radiator and a stable electrode strength. The discharge lamp is provided with a cathode (20) which is provided with a sintered layer (sintered member) (24) on the front end (23) of the electrode, wherein the sintered layer is composed of a plurality of density inclination layers (26). Each density inclination layer is formed through periodically compressing the mixed powder of radiator powders such as barium oxide and high-melting-point powders such as tungsten into a dent part (25) of the cathode (20), and integrally performing SPS sintering. In each layer, the sintered member is inclined, and the density gradually reduces from the front side to the back side of the electrode.

The invention discloses an ardealite-based filling bag for efficiently repairing a sunken part of a slope surface and a construction method thereof. The ardealite-based filling bag comprises a filling bag, wherein the filling bag is laid in the sunken part of a side slope, the filling bag comprises a soil matrix bag which is located on the upper side and a sunken filling bag which is located on the lower side, a plurality of separation nets which are used for separating the sunken filling bag into a plurality of reaction areas are arranged in the sunken filling bag, a water bag and a hardened matrix are arranged in each reaction area, spines are arranged on the surfaces of the separation nets, anchor nails can be inserted into and penetrate through the filling bag, the anchor nails are hollow, and communication holes are formed in the surfaces of the anchor nails. According to the ardealite-based filling bag, rapid greening and ecological restoration can be carried out on the sunken part of the slope surface.

The invention discloses a mosquito attractant, which comprises the following components in parts by weight: 5-15 parts of lactic acid; 1-5 parts of stearic acid; 30-50 parts of ammonium bicarbonate; The smell of sweat attracts mosquitoes; smell is one of the main basis for mosquito tracking and positioning. The stearic acid contained in many cosmetics makes mosquitoes habitually track the smell of stearic acid, thereby improving the efficiency of mosquito trapping.

The invention relates to a method for measuring the widths of the tunnel gas pre-discharge zone of a coal mine working face.The method is characterized in that in a mining-area tunnel closest to the working face, 5 gas injecting holes are constructed starting from a position 10m away from a crossheading entrance, the depths of the holes are respectively 40m, 35m, 25m and 20m, and cement is injected into the holes to seal the same; tracer gas SF6 is injected into the gas injecting holes, measuring is continuously performed for 300 days at the 5 testing points through SF6 testers, and the widths of the tunnel gas pre-discharge zone of the coal seam of a coal mine at different tunnel exposure time are obtained according to the relation graph of measured data.The method has the advantages that the blank of the method for measuring the widths of the tunnel gas pre-discharge zones of different coal mines at different coal seam tunnel exposure time is filled up, the features of stable diffusion and easiness in capture of the tracer gas SF6 are utilized, the widths of the coal seam tunnel gas pre-discharge zone are measured accurately while the normal production of the coal mine is unaffected, the method is simple to operate, low in cost, capable of measuring the widths by the technical capacity of the coal mine, and quite good in economical efficiency and universality.

The invented method includes the following steps: firstly, taking out production pipe string; then down-placing piezometric pipe string with anti-vibration barrel and pressure meter; third, under the condition of that the packer is not set starting pump and making oil production; fourth, stopping pump and setting packer; fifth, well shut-in, pressure meter can be used for automatically measuring and recording pressure build-up data; finally, taking out pressure meter and inputting the above-mentioned data into computer, then processing and analyzing said pressure data.

The invention discloses high-stability lithium ion battery electrolyte as well as a preparation method and application thereof, and belongs to the technical field of a lithium ion battery. The electrolyte is prepared from conductive lithium salt, an organic solvent and a Mn(II) ion stabilizer, wherein the Mn(II) ion stabilizer is Mn[(CF3SO2)2N]2. The Mn(II) ion stabilizer can be deposited on the surface of a cathode SEI film in the charging and discharging processes; a modification effect is achieved in a position near the lithium titanate surface; the lithium ion diffusion is stabilized, so that the reduction of the cycle performance is effectively retarded. The cycle performance of the lithium ion battery containing an electrolyte stabilizer at 0.005 to 2.5V is obviously improved.

The invention discloses a fluorescent gold nano-cluster aggregate and a preparation method thereof. The preparation method comprises: mixing and reacting a cationic surfactant and a gold source in an organic solvent to obtain a composite reactant; mixing and reacting the composite reactant with an alkylthiol to obtain an alkylthiol-gold complex compound solution; adding the alkylthiol-gold complex solution into an aqueous solution of a nonionic surfactant to generate fluorescent gold nanocluster aggregates. The excitation peak position of the fluorescent gold nano-cluster aggregate is 200-400 nm, and the emission peak position is 500-800 nm. The invention can prepare fluorescent gold nanocluster aggregates that can be uniformly and stably dispersed in aqueous solution, which can be directly used as fluorescent gold nanoclusters; and it has good photostability, large Stokes shift and near-infrared region The nature of the emission can be applied to fluorescence-related fields, such as light-emitting devices and fluorescence detection.

The invention discloses high-stability lithium ion battery electrolyte as well as a preparation method and application thereof, and belongs to the technical field of a lithium ion battery. The electrolyte is prepared from conductive lithium salt, an organic solvent and a Mn(II) ion stabilizer, wherein the Mn(II) ion stabilizer is Mn[(CF3SO2)2N]2. The Mn(II) ion stabilizer can be deposited on the surface of a cathode SEI film in the charging and discharging processes; a modification effect is achieved in a position near the lithium titanate surface; the lithium ion diffusion is stabilized, so that the reduction of the cycle performance is effectively retarded. The cycle performance of the lithium ion battery containing an electrolyte stabilizer at 0.005 to 2.5V is obviously improved.

The invention discloses a phosphogypsum-based filling bag for efficiently repairing a concave part of a slope surface and a construction method thereof. The concave filling bag on the lower side is provided with a plurality of dividing nets that divide the concave filling bag into several reaction areas, each reaction area is provided with a water bag and a hardened matrix, and the surface of the dividing net is provided with a sharp point. The thorn and the anchor can be inserted into and penetrate through the interior of the filling bag, the anchor is hollow inside, and the surface of the anchor is provided with a communication hole; the invention can quickly green and ecologically restore the concave part of the slope.

The invention belongs to the technical field of copper alloy powder, and in particular relates to a method for preparing a dispersion-strengthened aluminum bronze spherical powder, which comprises the following steps: placing the aluminum bronze pre-alloyed raw material in a graphite crucible of an intermediate frequency induction furnace, melting in a vacuum, and then using gas mist The aluminum bronze spherical powder is made by the chemical process; the nano-dispersed phase powder is put into pure water, and an organic silicon surfactant is added at the same time. After ultrasonic dispersion, the nano-phase forms a colloidal solution in the water; the aluminum bronze spherical powder is put into the colloid solution, fully stirred, placed in an oven, heated and dried; the obtained powder was put into a mixing tank for mixing, and the powders were rubbed against each other to obtain dispersion-strengthened aluminum bronze spherical powder. Compared with the prior art, the coating structure prepared by using the aluminum bronze powder of the present invention is compact, and the dispersed phase particles of nanometer to submicron size are distributed in the coating, and the size of the dispersed phase particles is stable, and they are evenly distributed in the layer obtained by cold spraying In the film layer of the like structure, it has the effect of particle dispersion strengthening.

The present invention provides a discharge lamp which provides stable diffusion of a radiator and a stable electrode strength. The discharge lamp is provided with a cathode (20) which is provided with a sintered layer (sintered member) (24) on the front end (23) of the electrode, wherein the sintered layer is composed of a plurality of density inclination layers (26). Each density inclination layer is formed through periodically compressing the mixed powder of radiator powders such as barium oxide and high-melting-point powders such as tungsten into a dent part (25) of the cathode (20), and integrally performing SPS sintering. In each layer, the sintered member is inclined, and the density gradually reduces from the front side to the back side of the electrode.

The invention provides a device and a method for continuously preparing polyaniline nanofibers by moving interface polymerization, and the method mainly comprises the following steps: continuously injecting aniline monomers and an organic solvent into a first container, stirring and mixing to form an organic phase solution, continuously injecting an acidic aqueous solution of an initiator and a dopant into a second container, and stirring and mixing to form an aqueous phase solution; after the two solutions are uniformly mixed respectively, opening a valve, allowing the two solutions to continuously and stably flow through two reaction tubes at a certain speed through the centrifugal force provided by a stirring device and form a moving interface in the reaction tubes, polymerizing the aniline monomers in the moving interface area, and after the flowing polymerization is finished, finally collecting the aniline monomers into the two collection containers; and washing, suction filteringand drying the products in the collection containers to obtain the polyaniline nanofibers. The method has the advantages of simple and convenient operation, low cost, controllable reaction and high repeatability, and is an effective way for realizing large-scale continuous production of high-quality polyaniline nanofibers.

The invention provides a high-concentration graphene slurry, and a preparation method and a preparation device thereof. The high-concentration graphene slurry is prepared through stage addition of expandable graphite and a dispersant and one-shot addition of a solvent without concentration. The preparation method of the slurry further mechanizes the preparation process of the graphene slurry, and facilitates the large-scale production of the high-concentration graphene slurry.

The invention discloses a light guide plate and a preparation method thereof. The light guide plate comprises a light outgoing surface, a back surface and side surfaces, wherein the light outgoing surface and the back surface are arranged oppositely; the side surface is connected with the light outgoing surface and the back surface; at least one side surface is provided with a light incoming layer; the part outside the light incoming layer of the light guide plate is a PS layer; and the light incoming layer is composed of the following components in parts by weight: polymethyl acrylate, microporous hydroxyapatite, n-propyl silicate, cellulose triacetate, acrylonitrile-butadiene-styrene copolymer, ultrafine activated silica powder, polydimethylsiloxane, polymethylpentene resin, polytetrafluoroethylene, 4-octylphenol, ethylene bisstearamide, ethyene glycol, stearate, acrylic emulsion, polymethylphenyl silicone, thermoplastic polyurethane elastomer, dicalcium phosphate, polyethylene glycol, a stabilizer, and a composite antioxidant. Through mixing the components, the light guide plate is prepared, the stability is strong, the transmittance is good, and light loss can be reduced.