43results about How to "Guaranteed covering effect" patented technology

The invention discloses nanoparticle space isolation atomic layer deposition equipment and a method based on a fluidized bed. Nanoparticles to be coated are put in a middle part of a powder reaction cavity; the middle part of the powder reaction cavity is driven to perform an intermittent peripheral motion under driving of a power supply to pass through a first cleaning area, an absorbing area, a second cleaning area and a reaction area in sequence; coating film layers are formed on the surfaces of the nanoparticles; and an ideal film thickness is obtained through circular motion. The equipment and the method can realize quick coating of the nanoparticles under normal pressure, and have such advantages as high coating rate, good coating uniformity and high coating efficiency.

The invention discloses a preparation method of a single-crystal-morphology lithium ion battery positive electrode material. The preparation method comprises the following steps: (1) adding a metal salt solution and a sodium hydroxide solution into a reaction kettle, and carrying out a co-precipitation reaction to prepare precursor slurry; (2) mixing a precursor slurry with a lithium source and a doping agent by a wet method, and performing spray drying to obtain a precursor mixture; (3) performing primary sintering on the precursor mixture to obtain a primary sintering product; and (4) washing the primary sintering product with water, mixing the washed product with a coating agent, and carrying out secondary sintering to obtain the single-crystal-morphology lithium ion battery positive electrode material. In the preparation method, the precursor slurry is prepared by adopting an ammonia-free process, particles formed by stacking a plurality of fine particles are formed, the specific surface area of the precursor is very large and is greater than 100m < 2 > / g, and the precursor with an ultrahigh specific surface area is easier to form a single-crystal positive electrode material with uniformly dispersed primary particles after being sintered, so that development of the capacity is facilitated.

The invention discloses a ditching type seedling planting device used in a vegetable dry land transplanting machine. A duckbilled seedling planting device is prone to soil adhesion in clayed soil. The ditching type seedling planting device used in the vegetable dry land transplanting machine comprises a rack mechanism, a planting mechanism and a soil covering wheel mechanism; the planting mechanism comprises a ditcher, a tension spring, a cam, a sliding block component, a push rod combined body, rotating cup doors, a fixed cup door and a sliding groove rod; a bearing roller hinged to the front end of the push rod combined body and the cam form a cam pair; the push rod combined body and the cam are connected through the tension spring; the fixed cup door is fixed to the rear end of the push rod combined body; the middle portion of the sliding block component is fixed to the push rod combined body, and each of the two ends of the sliding block component and a corresponding linear guide rail form a movement pair; the tops of the inner sides of the two rotating cup doors are hinged to the two sides of the fixed cup door; the sliding groove rod fixed to the rotating cup doors and a groove pin form a cylindrical pair; and the groove pin is fixed to the bottom of a groove pin fixing plate which is fixed to a reference supporting block. The ditching type seedling planting device used in the vegetable dry land transplanting machine avoids damage to pot seedlings in the seedling pushing process and is compact in structure.

The invention belongs to the technical field of building materials, and specifically relates to a modified material and treatment method of a low-quality aggregate. The modified material of the low-quality aggregate provided by the invention comprises the following components in percentage by mass: 46-50% of cement, 10-15% of a mineral admixture, 2-5% of an active powder, 0.2-0.6% of a water reducing agent, 0.001-0.004% of a viscosity adjusting agent, 0-3.2% of an expanding agent, 0-0.12% of an air entraining agent, and 0-0.0007% of a defoaming agent. The modified material provided by the invention can realize effective filling and coating modification of the low-quality aggregate through the cooperation between the components, and the adjustment of the use amount, and especially through the cooperation of the specific use amount of the cement, active powder and viscosity adjusting agent, the surface tension and viscosity of the modified material can be effectively adjusted, and a porepenetration amount and a shell coating thickness are coordinately optimized. The combined use of the inorganic and organic components promotes the secondary hydration / chemical bonding of a slurry layer, and improves the strength of an interface between the aggregate and the slurry layer. The cylindrical compress strength of the aggregate after modification treatment is increased by 40% or more, acrushing value is reduced by 30% or more, and a water absorption rate in 24 h is reduced by 15% or more.

The invention belongs to the technical field of inorganic powder surface modification, and in particular relates to modified fly ash with surface coated with SiO2 and a preparation method and use thereof, the method is as follows: Step 1) fly ash iron removal, step 2) capillary adsorption paraffin, step 3) coating of the surface with SiO2, the water absorption rate of the modified fly ash prepared by the method is 20%-22%, the whiteness is 20-30, the near infrared reflectivity is 60-80%, the coefficient of thermal conductivity is less than 0.25W / M.K; and the modified fly ash prepared by the method has good barrier thermal insulation and reflective thermal insulation performances. A thermal insulation coating prepared from the modified fly ash has excellent thermal insulating property, can be used in epoxy floor coatings, acrylic coatings for exterior wall, casting coatings and the like, and is free of the color and the construction problems, and high in added value.

The invention discloses a bionic curved-surface circular disc fertilization furrow opener. The bionic curved-surface circular disc fertilization furrow opener comprises a mounting frame, a curved-surface circular disc I and a curved-surface circular disc II, wherein the curved-surface circular disc I and the curved-surface circular disc II are mounted at the two sides of the mounting frame by shafts; the two curved-surface circular discs are mutually inclined and are mounted in an angular staggered manner; the curved-surface circular disc I and the curved-surface circular disc II have the same structures; the curved-surface circular disc I is composed of a plurality of curve-surface sector-shaped single bodies with the same structures; the curve-surface sector-shaped single bodies are tightly connected; and the outer edge of each curve-surface sector-shaped single body is of a tooth-shaped structure. According to the bionic curved-surface circular disc fertilization furrow opener, a disc surface adopts a bionic curved-surface structure and simulates shape characteristics of animal claws and toes, so that the soil digging performance is improved, the throwing rate is reduced, and capabilities of breaking stubbles and crushing soil are enhanced; the inner part of the disc surface is filled with annular nylon, and a water film structure at which the disc surface is in contact with the soil is damaged; and furrow opener cannot adhered to the soil and the passing ability of the furrow opener is enhanced.

The invention provides a preparation method of a metaphosphate-containing lithium ion battery positive electrode material. The preparation method of the metaphosphate-containing lithium ion battery positive electrode material comprises the following steps: mixing a lithium-containing oxide with dihydric phosphate, and calcining in an oxidizing atmosphere to obtain the lithium ion battery positiveelectrode material, wherein the general formula of the lithium-containing oxide is Li Ni Co < c > Mn < d > X < 1-b-c-d > O < 2 >, and X comprises one or more of Al, Mg and Zr. The preparation method of the metaphosphate-containing lithium ion battery positive electrode material provided by the invention is good in coating effect, few in coating impurities and simple in preparation method, and the lithium ion battery prepared from the metaphosphate-containing lithium ion battery positive electrode material is good in cycle performance and safety.

The invention discloses a preparation method of a coated implant. The method comprises the steps as follows: an inner-layer coating winds a support mold; an implant sleeves the support mold wound withthe inner-layer coating; an outer-layer coating winds the implant to form an implant assembly; a heat-shrink tube sleeves the implant assembly; the heat-shrink tube and the implant assembly are heated by using an external heating device, the heat-shrink tube extrudes the implant assembly inwards after being heated, and a polyethylene layer in the implant assembly begins to melt and is extruded after being heated to 120 DEG C, so that the inner-layer coating and the outer-layer coating are bonded and pressed into a whole under the condensation extrusion of the heat-shrink tube and the action of the external heating device to coat the implant; and after the implant assembly and the heat-shrink tube are cooled, the heat-shrink tube and the support mold are removed to obtain a coated implant.The coated implant obtained through the preparation method has relatively good biocompatibility, has no biological reactivity basically after being implanted into a human body, and eliminates foreignbody sensation and exclusive reaction of the human body as much as possible.

The invention relates to an insulating test piece and a test electrode device using the same. The insulating test piece comprises a base body (1) made of a insulating material to be tested, a first holding groove (5) for matching and holding a high-voltage test electrode (3) is arranged on one side of the base body, a second holding groove (6) for matching and holding a low-voltage test electrode (4) is arranged on the other side, opposite to the first holding groove, of the base body, and an inter-groove insulating part (2) integrated with the base body is arranged between the first holding groove and the second holding groove. Compared with a traditional insulating material electric intensity test method, the local discharge of the material surface is reduced, the test result is more accurate, the test environment of the invention is consistent with the actual operation environment of the electric equipment, and the test result has more practical guiding significance.

The invention relates to stockings, in particular to seamless silk stockings and a production process thereof. The seamless silk stockings comprise a trouser body and a stocking body. The trouser body comprises a left trouser leg and a right trouser leg. The stocking body comprises a left stocking and a right stocking. The left trouser leg and the right trouser leg are of a seamless integrally-formed structure. The trouser body and the stocking body are of a seamless integrally-formed structure. An adding crotch is arranged at the position, close to the crotch portion, of the trouser body, and the adding crotch and the trouser body are integrally formed. The seamless silk stockings have the beneficial effects that seamless forming is achieved through a weft knitting process, elasticity is enhanced on the premise of guaranteeing integral strength, and the comfort of the stockings is improved.

The invention belongs to the technical field of wire and cable coating, and particularly relates to a wire and cable coating device capable of improving the product performances. A connecting frame is arranged on a coating pretreatment box and is rotationally connected with a pay-off roller; a burr removing part and a dust removing part are both arranged in the coating pretreatment box; a burr removing filler is arranged in the burr removing part, and dust removing bristles are arranged in the dust removing part; a first guide roller is arranged in the coating pretreatment box; the base is arranged at the right side of the coating pretreatment box and provided with a second guide roller. A coating pool and an electric heating piece are arranged in the coating box; a plurality of groups of guide coating rollers are arranged in the coating pool; the supporting frame is arranged on the coating box, and a storage box is arranged on the supporting frame; a cooling and drying device is arranged on the base and located at the right side of the coating box. A take-up roller is arranged on the base and connected with a take-up motor. The surface quality of wires and cables is improved through pretreatment, the coating effect is ensured, and the cable coating efficiency is high.

The invention provides a display substrate, a preparation method thereof and a display device. The display substrate comprises a display area and a frame area; the frame area comprises a first circuit area, a wiring area and a second circuit area, and the frame area comprises a frame structure layer and a first flat layer which are arranged on a substrate; the frame structure layer of the first circuit area comprises a first gate drive circuit, the frame structure layer of the second circuit area comprises a second gate drive circuit, the frame structure layer of the wiring area comprises at least one output signal line, and the output signal line extends towards the direction of the display area; the first flat layer is provided with at least one exhaust groove, and the orthographic projection of the exhaust groove on the substrate is not overlapped with the orthographic projection of the output signal line on the substrate. The orthographic projection of the exhaust groove on the substrate and the orthographic projection of the output signal line on the substrate are not overlapped, so that the coating effect of the first flat layer on the signal line is ensured, and defects such as short circuit or signal crosstalk are effectively avoided.

The invention belongs to the field of ship and ocean engineering test facilities, and particularly discloses an underwater walking wheel guide rail which comprises a lower rail surface, a side rail surface and an upper rail surface. An anticorrosive coating is sprayed on the surface of the rail body. The invention further provides a machining method of the underwater walking wheel guide rail. Themachining method comprises the steps of rail section machining, rail section welding and anticorrosive coating spraying. The rail body is provided with the lower rail surface, the side rail surface and the upper rail surface, walking wheels of the underwater walking mechanism can be guided and limited in all directions and transverse and longitudinal stresses of the walking wheels can be borne, and the upper rail surface limits upward floating of the walking wheels so that the walking wheels are not prone to disengagement from the rail; notches are formed in the rail sections of the rail bodyso that the walking mechanism can be conveniently installed and withdrawn on any rail section, and use is convenient; and a binder and the anticorrosive paint are sprayed in a multi-layer alternate stacking manner so that a coating effect of the anticorrosive paint is effectively guaranteed, and anticorrosive performance is guaranteed.

The invention discloses an electric wire and cable core wire coating device and method in the technical field of electric wire and cable core wire coating, in the process of coating a cable core wire, a driving motor, a first driving wheel and a second driving wheel are utilized, so that the conveying speed of the cable core wire is related to the winding speed, and the winding speed of the cable core wire is related to the winding speed. The wrapping material can better wrap the cable core wire, the wrapping effect of the wrapping material on the cable core wire is guaranteed, the situation that the wrapping speed of the cable core wire cannot be changed when the conveying speed of the cable core wire is changed in the winding and wrapping process of the cable core wire is avoided, and the wrapping speed of the cable core wire cannot be changed when cable core wires with different thicknesses are replaced. A clamping rod, a telescopic plate and a pulling plate are used for enabling a second driving wheel to move and adjust the contact position with a driving ring, the side face of the driving ring is an inclined face, after the contact position of the second driving wheel and the driving ring is changed, the diameter of the contact position of the second driving wheel and the driving ring can be changed, and the transmission ratio of the second driving wheel and the driving ring can be changed along with the change.

The invention discloses an inorganic insulation electromagnetic. After an alloy copper wire is processed in a processing agent, and an insulation layer covers a surface of the alloy copper wire afteremploying a sol deposition mode. Tetraethoxysilane and zinc diricinoleate are mixed and dispersed in an alcohol aqueous solution, alloy after phosphating is added into the mixture, ammonia water is used as a hydrolysis promoter, a layer of insulation sol is formed on a surface of the alloy, and the thermal resistant stability of the sol is further improved by the zinc diricinoleate.

The invention relates to the technical field of materials, in particular to a preparation method of a foamed aluminum structural part and the foamed aluminum structural part. The preparation method comprises the following steps of carrying out surface treatment on a foamed aluminum matrix; preparing a rubber sizing material according to a set size; wrapping the surface of the foamed aluminum matrix with the rubber sizing material, and putting the foamed aluminum matrix into a vulcanization mold; closing the mold, and discharging gas on the joint face of the foamed aluminum matrix and the rubber sizing material; carrying out vulcanization molding on the rubber sizing material at the designed temperature, pressure and time, and forming a coated rubber layer on the surface of the foamed aluminum matrix; and opening the mold after the vulcanization time is up to obtain the foamed aluminum structural part. According to the preparation method of the foamed aluminum structural part, the surface of the foamed aluminum matrix is coated with the rubber layer through the vulcanization process, the structural part is provided with the rubber surface, no disintegrating slag falls off, the man-machine environment is improved, and meanwhile the shock resistance of the foamed aluminum structural part can be improved through the rubber layer.

The invention relates to a soft robot, in particular to a four-main-body self-growing soft robot for circuit coating, which comprises a base with a sealing cavity, main bodies, stay wire steering joints and magnet sheets, the sealing cavity is divided into an upper layer and a lower layer, and each layer is provided with a reel driving motor and two reels; the two reel driving motors respectively drive the four reels to rotate, main body materials wound on the reels are gradually released along with rotation of the reels and continuously grow forwards under pushing of air pressure, and finally the effect that the four main bodies simultaneously grow forwards is achieved. Two rows of magnet sheets are arranged on the outer surface of each main body at equal intervals and are respectively adhered to the contact positions of the main body and the adjacent main body, so that the four main bodies are adhered into a whole in the growth process, and a closed space formed among the four main bodies can be used for coating a circuit; and the outer surface of the main body is provided with a stay wire steering joint, so that the robot can flexibly adjust the direction in the growth process so as to adapt to complex circuit layout and realize comprehensive coating of a circuit.

The invention discloses an impregnation liquid for an iron-based alloy magnetic powder core and an impregnation method based on the impregnation liquid. The impregnation liquid is prepared from the following components in percentage by mass: 5-15% of a metal organic compound, 5-20% of resin and 65-90% of an organic solvent. The impregnation method comprises the following steps that (1) iron-based alloy powder before insulation is put into impregnation liquid to be soaked, drying is conducted after soaking, and impregnated iron-based alloy powder is obtained; (2) carrying out insulation treatment on the iron-based alloy powder by using the nano silicon oxide dispersion liquid, and preparing an iron-based alloy magnetic powder core by using a powder metallurgy process after the insulation treatment, so as to obtain the iron-based alloy magnetic powder core; the obtained iron-based alloy magnetic powder core is cleaned and dried, and a to-be-impregnated iron-based alloy magnetic powder core is obtained; (3) completely immersing the iron-based alloy magnetic powder core into the impregnation liquid for soaking, and cleaning after soaking; and (4) heating and curing the cleaned iron-based alloy magnetic powder core, and naturally cooling to obtain the impregnated iron-based alloy magnetic powder core.

The invention provides a nitrogen replacement system for a granulation temporary storage bin. The nitrogen replacement system comprises the granulation temporary storage bin, a feeding pipeline and a nitrogen replacement pipeline, the feeding pipeline is used for conveying coating granulation raw materials into the granulation temporary storage bin, a block valve is installed in the feeding pipeline, and connection and disconnection between the feeding pipeline and the granulation temporary storage bin are controlled through the block valve; the nitrogen replacement pipeline comprises a gas supply pipeline for conveying nitrogen into the granulation temporary storage bin and a gas exhaust pipeline for exhausting gas in the granulation temporary storage bin, a gas inlet valve is mounted in the gas supply pipeline to control the connection and disconnection of the gas supply pipeline, and a gas exhaust valve is mounted in the gas exhaust pipeline to control the connection and disconnection of the gas exhaust pipeline. On one hand, material oxidation can be avoided, and the coating capacity of the coating raw materials is guaranteed; and on the other hand, the explosion risk can be reduced, the safety of the equipment is improved, and air can be effectively prevented from entering the granulation temporary storage bin through the feeding pipeline in the nitrogen replacement process.

The invention discloses a Micro OLED display and a production method thereof. The production method comprises the following steps: producing a CMOS drive circuit on a silicon wafer substrate to obtain a substrate, and producing an AMOLED light-emitting layer on the substrate according to a pixel arrangement structure; preparing an inorganic and organic superposed packaging layer on the AMOLED light emitting layer; preparing an organic planarization layer on the packaging layer in an ink-jet printing mode; and carrying out RGB coating on an organic buffer layer to form a color filter layer. The organic layer and the organic planarization layer are prepared in an ink-jet printing mode, the organic planarization layer and the organic layer can be manufactured as required, the organic planarization layer is prepared from a specific material, the problems that spin coating of the organic layer and the organic planarization layer is not uniform and the organic planarization layer is not matched with the packaging layer are solved, the working procedures are reduced, and the device performance is improved.

The invention discloses a manufacturing method of a rotary unit in a steering oar, and belongs to the technical field of ship propulsion. The manufacturing method comprises the steps that a plurality of stainless steel cylinders coating a rotary pipe and two stainless steel semi-circular rings coating a circular ring are manufactured, and a plurality of plug welding holes are formed in the stainless steel semi-circular rings; the plug welding holes are welded in a plug welding manner, the two stainless steel semi-circular rings are fixed to the circular ring, and a butt weld of the two stainless steel semi-circular rings is welded; surfacing is carried out on two rotary bodies; a rotary flange is assembled on the rotary pipe; and the multiple stainless steel cylinders are arranged on the rotary pipe in a sleeving manner through the shrinkage fit process. The rotary flange is coated with a stainless steel layer through the welding technology, and the problems which cannot be solved by the shrinkage fit technology and the problems about the electroplating technology cost and the period are solved.

The invention discloses nanoparticle space isolation atomic layer deposition equipment and a method based on a fluidized bed. Nanoparticles to be coated are put in a middle part of a powder reaction cavity; the middle part of the powder reaction cavity is driven to perform an intermittent peripheral motion under driving of a power supply to pass through a first cleaning area, an absorbing area, a second cleaning area and a reaction area in sequence; coating film layers are formed on the surfaces of the nanoparticles; and an ideal film thickness is obtained through circular motion. The equipment and the method can realize quick coating of the nanoparticles under normal pressure, and have such advantages as high coating rate, good coating uniformity and high coating efficiency.

The invention relates to an insulating test piece and a test electrode device using the same. The insulating test piece comprises a base body (1) made of a insulating material to be tested, a first holding groove (5) for matching and holding a high-voltage test electrode (3) is arranged on one side of the base body, a second holding groove (6) for matching and holding a low-voltage test electrode (4) is arranged on the other side, opposite to the first holding groove, of the base body, and an inter-groove insulating part (2) integrated with the base body is arranged between the first holding groove and the second holding groove. Compared with a traditional insulating material electric intensity test method, the local discharge of the material surface is reduced, the test result is more accurate, the test environment of the invention is consistent with the actual operation environment of the electric equipment, and the test result has more practical guiding significance.

The invention discloses a high-strength polyolefin composite pipe and a preparation method thereof. According to the high-strength polyolefin composite pipe, polybutylene serves as an inner pipe, the outer surface of the inner pipe is coated with an oxygen barrier layer, the oxygen barrier layer is an EVOH oxygen barrier layer, the outer surface of a flame-retardant layer is coated with a polyethylene outer pipe, hot melt adhesive is arranged between every two layers, and the layers are compounded through the hot melt adhesive to form the composite pipe. In order to improve the strength of the polyethylene composite pipe, polydopamine coated particles are introduced into the polyethylene outer pipe, and chrysotile has excellent mechanical properties such as good thermal stability and high tensile strength, so that the polydopamine coated particles are doped into polyethylene to improve the heat resistance and strength of the polyethylene; and the process is reasonable in design and simple to operate, and the prepared polyolefin composite pipe has excellent mechanical property and heat resistance, can be widely applied to the technical field of heating pipes and the like, and has relatively high practicability.

The invention relates to the technical field of optical lens production, in particular to an intelligent slicing machine for an optical lens, which comprises a rack, a cutting assembly, a movable assembly, a fixed seat, a clamping rod, a coating film, a pressing rod and the like, a cutting assembly used for cutting the optical crystal is arranged on the rack; the rack is provided with a movable assembly used for moving the optical crystal. The movable assembly is connected with a fixing seat used for fixing an optical crystal. The fixed seat is connected with a cushion block; a plurality of clamping rods are rotationally connected to the fixed seat; all the clamping rods are jointly connected with a coating film used for fixing the optical crystal. And a pressing rod for pressing the coating film is arranged on the upper side of each clamping rod. And the wrapping film is clamped by the clamping rods to wrap and fix the optical crystal, so that the optical crystal is prevented from falling off from the cushion block due to the influence of traction force generated when the cutting line moves and equipment vibration, and the normal operation of the cutting work of the optical crystal is guaranteed.

The invention relates to an improved connector. The improved connector comprises a connector shell, wherein the connector shell comprises a connection element and a plug-in element, a sealing ring is arranged between the connection element and the plug-in element, the connection element is provided with a power line connection port, a first bulge and a second bulge are arranged on the surface of the connection element, each of the connection element and the plug-in element is provided with a convex cambered surface at one side and a concave cambered surface at the other side, a groove opening is arranged on the concave cambered surface of the connection element, an anti-slip push button is arranged on the concave cambered surface of the plug-in element, the plug-in element is provided with a plug-in port, two terminals are arranged in the plug-in element, the two terminals and the anti-slip push button are coaxially and symmetrically arranged, and one end of each terminal is connected with the connection element. The improved connector is high in sealing performance, an active device is difficult in access loosening or unfavorable contact, and electricity safety is greatly improved.

The invention discloses a bionic curved-surface circular disc fertilization furrow opener. The bionic curved-surface circular disc fertilization furrow opener comprises a mounting frame, a curved-surface circular disc I and a curved-surface circular disc II, wherein the curved-surface circular disc I and the curved-surface circular disc II are mounted at the two sides of the mounting frame by shafts; the two curved-surface circular discs are mutually inclined and are mounted in an angular staggered manner; the curved-surface circular disc I and the curved-surface circular disc II have the same structures; the curved-surface circular disc I is composed of a plurality of curve-surface sector-shaped single bodies with the same structures; the curve-surface sector-shaped single bodies are tightly connected; and the outer edge of each curve-surface sector-shaped single body is of a tooth-shaped structure. According to the bionic curved-surface circular disc fertilization furrow opener, a disc surface adopts a bionic curved-surface structure and simulates shape characteristics of animal claws and toes, so that the soil digging performance is improved, the throwing rate is reduced, and capabilities of breaking stubbles and crushing soil are enhanced; the inner part of the disc surface is filled with annular nylon, and a water film structure at which the disc surface is in contact with the soil is damaged; and furrow opener cannot adhered to the soil and the passing ability of the furrow opener is enhanced.

The invention relates to a stable doping method for a graphene thin film. The stable doping method for the graphene thin film comprises the step of wrapping a doping agent between two pieces of graphene and / or wrapping the doping agent between a substrate and graphene, wherein no clinical substrate is used in the step of wrapping the doping agent between the substrate and the graphene. The method provided by the invention can be used for improving the time stability of a graphene doping effect, and thus the quality of the graphene is improved, and the graphene thin film can be widely applied in the industrial field with relatively high sheet resistance requirement on the transparent conductive thin film, such as display techniques.