30results about How to "Combined" patented technology

The pickling and activating surface treatment process for magnesium alloy workpiece before electroplating is one simplified environment friendly process including the surface treating steps of alkaline washing, pickling and activating, and zinc dipping. In the pickling and activating step, the pickling and activating solution including sodium phosphate in 22-65 g / cu dm, phosphoric acid in 31-86 g / cu dm, and potassium permanganate in 10-30 g / cu dm is adopted. The present invention features the combined pickling and activating step, the pickling and activating solution without harmful chromium compound and fluoride, the obtained zinc dipping layer with homogeneous and compact structure suitable for electroplating and chemical plating, and capacity of reaching excellent coating.

The invention relates to a compound geomechanics model test platform which is formed by steel platform body connected with bottom disk by high strength friction grip bolt. The box type platform is formed by box type steel casting connected with the angle unit at corner by the high strength friction grip bolt. The box type steel casting is formed by a unit box casting and a multi-units box casting, wherein the unit box casting is a square box with hollow structure and front port; the four sides of the unit box casting arranges the high strength friction grip bolt connecting hole and the front side arranges line drilling breather; the multi-units box casting is formed by at least two or a plurality of multi-units box castings; the angle unit is hollow with ports on the adjacent two sides and the friction grip bolt connecting hole on other sides; the bottom disk is formed by parallel connecting the section steel plates with bolt groove.

The invention discloses a catalyst for an aldol condensation reaction as well as a preparation method and application of the catalyst. The catalyst includes an active component, an active auxiliary agent and a carrier, the active component is Cs, the carrier is an acid-treated modified SiO2 carrier, and the active auxiliary agent is one or more selected from the group consisting of P, V, W, Sn, B,Bi, Nb, Ba, La, Ti, Al, Sb, Ce, Zr and Fe. The preparation method comprises the following steps: performing acid treatment on SiO2 powder to obtain the acid-treated modified SiO2 carrier; supportingthe active component and an active auxiliary agent on the acid-treated modified SiO2 carrier to obtain a raw powder catalyst; and performing tabletting on the raw powder catalyst mixed with a shapingauxiliary agent to form a shaped catalyst, drying the shaped catalyst, and performing calcination to obtain the catalyst product. The catalyst is used for the condensation reaction of methyl acetate or methyl propionate with formaldehyde; and the yield of the product prepared by using the catalyst provided by the invention is higher, the costs of product separation can be significantly reduced, and the catalyst has higher industrial application value.

The invention belongs to the field of surface coating technologies and high-entropy alloys, and particularly relates to a coating of a copper-based surface intermetallic compound reinforced gradient high-entropy alloy and a preparation method. The high-entropy alloy is composed of Al, Co, Cr, Fe, Ni and Ti element powder, and is composed of a connecting layer, a transition layer and a reinforcing layer. The preparation method comprises the following steps that (1), gradient high-entropy alloy powder CoCrFeNi / CoCrFeNiAl<x>Ti<y> / CoCrFeNiAlTi is prepared, (x is more than 0 and less than or equal to 1, and y is more than 0 and less than or equal to 1); (2), pretreating is carried out on a matrix; and (3), the gradient high-entropy alloy coating is prepared on the copper surface through laser cladding by adopting the technological parameters that the laser power ranges from 3000 W to 3500 W, and the scanning speed ranges from 3 mm / s to 5 mm / s. The phase of a cladding layer is composed of a simple solid solution FCC phase, a simple solid solution BCC phase and an intermetallic compound TiCo<3>. According to the intermetallic compound reinforced gradient high-entropy alloy coating prepared through the method, it is guaranteed that good interface bonding between the cladding layer and a Cu matrix is ensured, the hardness and wear resistance of the cladding layer are greatly improved, and the method has a wide application prospect.

The invention provides a printing soaking device comprising a metal soaking plate which heats the surfaces of clothes; the heating surface of the metal heating plate is provided with a partition heating structure; the metal heating plate is covered above the clothes; the clothes are arranged on a printing platform; the printing platform comprises a temperature sensing plate which corresponds to the metal soaking plate; a control module controls the partition heating structure; the control module correspondingly converts the color of a liquid crystal ink coating into temperature data, and controls the heating temperature of all the areas of the partition heating structure according to the temperature data; and according to the printing soaking device, the heating temperature of the partition heating structure on the metal soaking plate is controlled by monitoring the temperature of all the areas of the clothes, so that the temperature of a printing area of the clothes is uniform.

The invention provides an isostatic pressing electrical porcelain blank formula with non-plasticity clay used as raw material. The formula comprises the following components, by weight, 48%-55% of alumina, 18%-25% of feldspar flux, 15%-25% of calcined clay and 5%-15% of viscous agents. The formula takes chemically-synthesized viscous agents as viscous materials to replace plastic clay used in existing ingredients. Therefore, the non-plasticity clay can be used to replace scarce plastic clay raw materials. The cost of blank materials is reduced. The dependence of isostatic pressing electrical porcelain blanks on one-off resources is reduced.

The invention discloses a spraying-repairing method for ceramic sanitary ware glaze. The spraying-repairing method comprises the following operation steps: polishing: using a polisher to polish a sanitary ware surface with a defect, wherein the distance between the outer edge of the polished surface and the outer edge at the defect of sanitary ware is 0.2-0.5; supplementing glaze: coating the defect of the sanitary ware with glaze, wherein the distance between the outer edge of the coated glaze surface and the outer edge at the defect of sanitary ware is 0.1-0.2 cm; polishing: polishing through the polisher after the glaze supplemented in the step 2 is dried, wherein the polishing area is the same as that in the step I; spraying paint: spraying paint material on the glaze surface polished in the step III by a spraying gun, wherein the paint spraying area is larger than the area after being supplemented with glaze so as to cover the area after being supplemented with glaze. The spraying-repairing method for ceramic sanitary ware glaze, provided by the invention, is simple to operate, low in cost, high in efficiency, and good in repairing effect, saves energy and reduces resource consumption.

The invention discloses ceramic nano injection molding polyamide and a preparation method thereof, and relates to the technical field of composite laser forming materials, the ceramic nano injection molding polyamide comprises the following components by weight: polyamide PA XY / XZ; 2%-10% of a flexibilizer containing maleic anhydride; 10%-50% of glass fiber; 0.05%-0.5% of an antioxidant; 0.1%-2.0% of a release agent; the polyamide PA XY / XZ is formed by polymerizing the following components: X is aliphatic diamine which contains 8 to 14 carbon atoms and does not contain a side chain; y is aliphatic dicarboxylic acid which contains 4-10 carbon atoms and does not contain a side chain, and the total number of carbon atoms in X is at least 2 more than that in Y; z is aromatic dicarboxylic acid or / and aliphatic cyclic dicarboxylic acid. According to the polyamide composite material provided by the invention, ultra-low molecular weight polyamide does not need to be added, the polyamide composite material still has good ceramic binding force in ceramic nano injection molding, the binding force reaches 30 MPa or above, the polyamide composite material has usability, the mechanical property of the polyamide composite material is greatly improved, and the ceramic nano injection molding binding force and the mechanical property of plastic are both considered.

The invention relates to a blank formula of a fuse ceramic shell using a waste material recycled from isostatic pressing electroceramics and a preparation method thereof. The blank comprises following components in parts by mass: 85-90 parts of waste material recycled from isostatic pressing electroceramics, 10-15 parts of feldspar, 0.3-0.5 part of water reducing agent and 0.8-1.2 parts of additive. The fuse ceramic shell is prepared from the raw materials through steps of grinding, sieving, deironing and so on. Due to adoption of the waste material recycled from isostatic pressing electroceramics, the water reducing agent and additive as well as the feldspar as the fluxing agent, the performance of the ceramics is effectively guaranteed, the costs of the raw materials and manufacture are lowered, the performance requirements of the ceramics are met, and excellent effects of the ceramics are achieved.

The invention relates to a stirring sleeve rotation friction heat generation and rivet screwing-in type plate friction rivet welding connection method. The problem of connection of light alloy multi-layer plates is solved. The method mainly comprises the following steps that a stirring head system is integrally pressed downwards to position a novel rivet at a to-be-connected point, and a certain pre-tightening force is applied; a stirring sleeve and a stirring needle rotate according to a set rotating speed, the shaft shoulder of the stirring sleeve and the end face of the novel rivet are severely rubbed with the surface of a light alloy upper plate, and a large amount of friction heat is generated to heat the center area of a light alloy to be in a plasticized state; the stirring sleeve stops rotating, the stirring needle conducts stamping downwards while rotating, and the novel rivet is pressed into the plasticized light alloy multi-layer plate; the stirring needle stops stamping and rotates for a certain time under pressure maintaining, so that the plasticized light alloy is fully filled into a thread groove of the novel rivet, and the novel rivet is wrapped and embedded to form mechanical combination; and the stirring sleeve and the stirring needle stop rotating, the stirring head retreats from the connecting point, and a compact stirring friction rivet welding joint is formed after natural cooling.

The invention relates to the technical field of metal-based composite materials, and particularly discloses a boron-doped graphene reinforced copper-based composite material and a preparation method thereof. According to the copper-based composite material, the boron-doped graphene serves as a reinforcement body, the bonding interface of copper and graphene is effectively increased, interface electron transmission is improved, boron doping is carried out on a complete graphene sheet layer, the structural integrity of the graphene is basically not damaged, the electron transmission performance of the boron-doped graphene is better, meanwhile, a Cu-B-C bond can be formed between the graphene and a copper substrate, and interface bonding and electron transmission are both considered. According to the preparation method, processes such as graphene doping, mixing of a copper raw material and a reinforcement body and heat treatment are combined, and the copper-based composite material with uniformly distributed boron-doped graphene is successfully prepared, experiments prove that the tensile strength of the boron-doped graphene reinforced copper-based composite material is not lower than 308.6 MPa, and the conductivity of the boron-doped graphene reinforced copper-based composite material is not lower than 90.6% IACS.

The invention provides a grain drying device which comprises a shell. Cleaning bins are arranged at the upper end of the shell. A supporting plate is arranged in the middle of the shell. A water storage bin, a filter mechanism and a cleaning mechanism are arranged at the upper end of the supporting plate. Collecting bins are arranged at the lower end of the shell. Universal wheels are arranged atthe bottom of the shell. A stirring mechanism is arranged on the right side wall of the shell. A blocking mechanism is arranged on the front side wall of the shell. Heating tubes are arranged at the bottoms of the cleaning bins and the collecting bins. The grain drying device has the functions of cleaning and drying, the functions are combined selectively, and the utilization rate of the device isincreased; the filter mechanism is arranged, and impurities can be effectively filtered and removed; and in addition, multiple types of materials can be cleaned and dried simultaneously, and the working efficiency of the device is greatly improved.

An anti-vulcanization, high thermal conductivity, high temperature resistant conductive gold adhesive, comprising the following components in parts by weight: 0.5 to 5 parts of polyurethane modified epoxy acrylate, 5 to 10 parts of epoxy resin, and 2 parts of epoxy acrylic thinner ~10 parts, 0.5~5 parts of high temperature resistant resin, 0.1~5 parts of epoxy curing agent, 0.05~1 part of acrylic curing agent, 75~90 parts of modified flake gold powder, 0.1~5 parts of binder; The polyurethane acrylic epoxy resin used has high flexibility and heat resistance, and the introduction of Shuangma resin also improves the heat resistance of the conductive adhesive; the dual curing of acrylic and epoxy systems has both the heat resistance of epoxy and the It has the adhesiveness of acrylic acid and the combination with baseless filler; the gold powder has vulcanization resistance, so the conductive adhesive of the present invention can well meet the requirements for high stability of LEDs in special fields.

The invention discloses a preparation method of a carbon black nano material, which comprises the following steps: step 1, activating nano carbon black with alkali liquor to obtain active nano carbon black; step 2, carrying out stirring treatment on the active nano carbon black by using polyallylamine to obtain polyallylamine / nano carbon black; step 3, dissolving p-anisaldehyde in a lower alcohol solvent to obtain a p-anisaldehyde solution; and step 4, reacting the p-anisaldehyde solution with polyallylamine / nano carbon black to obtain p-anisyl schiff base / nano carbon black, namely the carbon black nano material. According to the material, nano carbon black is modified and activated by using a reaction product of polyallylamine and p-anisaldehyde, so that the obtained nano carbon black material has better dispersity and antibacterial activity, and after the nano carbon black material is applied to a rubber material, the mechanical property and antibacterial activity of the rubber material can be better improved.

The invention relates to the technical field of cosmetics, in particular to moisturizing cream suitable for patients with diabetes. The moisturizing cream is prepared by the following steps: S1, material dissolution by firstly, respectively placing a mixed A-phase material, a mixed B-phase material and a mixed C-phase material into a water bath kettle for heating by a worker so that the A-phase material, the B-phase material and the C-phase material are dissolved, and meanwhile, taking stirring equipment to fully stir a solution obtained after the A-phase material, the B-phase material and theC-phase material are dissolved until all the components are uniformly dispersed by the worker; and S2, preliminary mixing: pouring the A-phase material mixed in the previous step into the water bathkettle by the worker, and then adding the B-phase material into the A-phase material. The moisturizing cream has the beneficial effects that liquid crystal has two continuous structures of a hydrophilic portion and an oleophylic portion, so that the liquid crystal has a large amount of bound water and hydrophobicity, the moisturizing cream has a good water locking function and an effect of inhibiting water evaporation, the permeability of cuticle can be improved, the transdermal absorption speed can be controlled, and meanwhile, the application range of the moisturizing cream is widened.

The invention provides a low temperature firing light ceramic product and a production technology thereof. The low temperature firing light ceramic product is prepared from the following raw materials, in parts by weight: 20-40 parts of expanded vermiculite, 10-30 parts of sepiolite clay, 17-27 parts of fumed silica, 20-40 parts of potassium feldspar, 45-65 parts of black talc, 5-15 parts of nanometer barium carbonate, 10-15 parts of glass powder, 3-9 parts of nanometer aluminum oxide, 15-25 parts of water glass, 5-10 parts of burning zeolite, 5-25 parts of obsidian and 12-20 parts of nanometer boron nitride. The low temperature firing light ceramic product produced by adopting the raw materials and the technology provided by the invention is low in weight, low in hygroscopic property, fine and smooth in texture, and has the good abrasive resistance, high temperature resistance and heat stability.

A horizontal and inclined cantilever assembling device for simplified unified cantilever machining is used for connecting a horizontal cantilever and an inclined cantilever in a simplified unified cantilever; and the horizontal cantilever and the inclined cantilever are connected through a hinge pin, and the hinge pin is detachably connected with a snap pin. The horizontal and inclined cantileverassembling device comprises a hinge pin control mechanism and a snap pin control mechanism; the hinge pin control mechanism comprises a plurality of hinge pin transferring grip jaws; and the snap pincontrol mechanism comprises a second snap pin push rod and a movably-arranged snap pin slideway, the second snap pin push rod faces towards the lower portion of the joint between the horizontal cantilever and the inclined cantilever, the snap pin slideway and the second snap pin push rod are parallel to each other, and the snap pin slideway corresponds to the second snap pin push rod or is staggered with the second snap pin push rod in the sliding process. The horizontal and inclined cantilever assembling device for simplified unified cantilever machining can complete installing of the hinge pin and the snap pin, and accordingly achieve assembling of the horizontal cantilever and the inclined cantilever.

The invention discloses a connecting hanger of a ceramic sheet heat-insulation integrated board. The connecting hanger comprises an upper connecting hanger assembly and a lower connecting hanger assembly, wherein the upper connecting hanger assembly comprises a first connecting hanger body, a third connecting hanger body, a fourth connecting hanger body, a fifth connecting hanger body, a hanger screw, a first tapping screw and a second tapping screw, and the lower connecting hanger assembly comprises a sixth connecting hanger body, a second connecting hanger body and a third tapping screw. The sixth connecting hanger body and the second connecting hanger body are each provided with reverse hanging hooks used for buckling hanging hook grooves of a ceramic sheet to be mounted in a matched mode, and the third tapping screw is used for locking during using. The connecting hanger of the ceramic sheet heat-insulation integrated board is safe, durable, light and attractive, the cost is reduced, and labor and time are saved.

The invention relates to an anti-vulcanization, high-thermal-conductivity and high-temperature-resistant conductive gold adhesive, which comprises the following components in parts by weight: 0.5-5 parts of polyurethane modified epoxy acrylate, 5-10 parts of epoxy resin, 2-10 parts of an epoxy acrylic diluent, 0.5-5 parts of high-temperature-resistant resin, 0.1-5 parts of an epoxy curing agent, 0.05-1 part of an acrylic curing agent, 75-90 parts of modified flaky gold powder and 0.1-5 parts of an adhesive. The adopted polyurethane acrylic epoxy resin has very high flexibility and heat resistance, and the introduction of bismaleimide resin also improves the heat resistance of the conductive adhesive; due to the dual curing effects of acrylic acid and an epoxy system, the heat resistance ofepoxy, the adhesion of acrylic acid and the combinability with a base-free filler are achieved; the gold powder has vulcanization resistance, and the provided conductive adhesive can well meet the requirements of special fields on high stability of LED.

The invention provides a printing soaking device comprising a metal soaking plate which heats the surfaces of clothes; the heating surface of the metal heating plate is provided with a partition heating structure; the metal heating plate is covered above the clothes; the clothes are arranged on a printing platform; the printing platform comprises a temperature sensing plate which corresponds to the metal soaking plate; a control module controls the partition heating structure; the control module correspondingly converts the color of a liquid crystal ink coating into temperature data, and controls the heating temperature of all the areas of the partition heating structure according to the temperature data; and according to the printing soaking device, the heating temperature of the partition heating structure on the metal soaking plate is controlled by monitoring the temperature of all the areas of the clothes, so that the temperature of a printing area of the clothes is uniform.

The invention discloses a method for thermoelectric dip plating of a machine tool component. By mass percent, 65%-70% of zinc, 25%-30% of aluminum, 3%-5% of silicon and 0.2%-2% of nickel are weighed. The method comprises the specific dip plating steps that firstly, after being washed through clean water, the machine tool component is immersed through boric acid and then washed through the clean water again, and the machine tool component is naturally cooled after being placed in a drying machine to be dried; secondly, the machine tool component is placed in a heating furnace to be subjected to oxidation carbon removing, and after being naturally cooled, the machine tool component is placed in a reduction furnace to be subjected to residue removing treatment; and thirdly, the zinc, the aluminum, the silicon and the nickel are melted in a plating pond in sequence, and after the zinc, the aluminum, the silicon and the nickel are completely melted, the machine tool component treated in the second step and protected by the reducing atmosphere is immersed in the plating pond, and after a power source is started for conducting thermoelectric dip plating, the machine tool component obtained after dip plating is fed into a cooling furnace with the reducing atmosphere to be cooled. The method has the beneficial effects that a plating layer has density and combining tightness; the silicon is further added, and occurrence of a fragile layer during plating layer growth is avoided; and due to adding of the nickel, fluidity of a plating solution is better, and the plating solution is more uniform.

The invention relates to an easy-to-tear film for a plastic container. The easy-to-tear film for the plastic container comprises a film body; the film body comprises an inner film; the inner film comprises the following components in parts by weight: 60-70 parts of polypropylene; 10-20 parts of an ethylene-vinyl acetate copolymer; 10-20 parts of an ethylene-acrylic acid copolymer; and 5-10 parts of an ionic polymer. According to the method, after the polypropylene, the ethylene-vinyl acetate copolymer, the ethylene-acrylic acid copolymer and the ionic polymer are heated and melt, the inner film is in contact with the plastic container, physical combination is realized; chemical bonds can be generated on the surface of the inner film, and therefore, the easy-to-tear film can be used for sealing various plastic containers at the same time; one material can be used for replacing various materials, so that the flexibility of the product in later use is greatly improved. In addition, the invention further discloses a preparation method of the easy-to-tear film for the plastic container. The preparation method is used for preparing the easy-to-tear film for the plastic container.

The invention discloses wine with alcohol effects capable of being fast dispelled. The wine is prepared from the following raw materials in proportion by weight: 500g of radix salviae miltiorrhizae, 300g of fruits of Chinese wolfberry, 500g of rose flowers, 300g of fructus chebulae immaturus and 300g of distiller's yeast; the distiller's yeast is prepared from the following raw materials in partsby weight: 80 parts of ganoderma spores, 50 parts of wheat, 50 parts of barley and 50 parts of pea. The invention also discloses a preparation method of the wine with alcohol effects capable of beingfast dispelled. The wine with alcohol effects capable of being fast dispelled prepared by the method has the functions of wetting and nourishing the livers, restoring the liver cell functions, activating the liver cell activity, assisting the liver function, synthetic protein metabolism and vitamin metabolism, regulating water-electrolyte balance and promoting bile secretion; the effects of oxidation, reduction, decomposition, combination and deoxygenation are achieved; some toxic substances are promoted to be fast discharged; the in-liver phagocyte effects are assisted; the liver toxic substances are cleared; the effects of improving the whole body immunocompetence, improving the whole body micro circulation function, relaxing tendons and activating blood circulation are achieved.

The invention provides a transmission line transformer and a combining and shunting device, wherein the transmission line transformer comprises a first winding, a second winding and a third winding; the first winding, the second winding and the third winding have the same number of turns; the first winding serves as a primary winding; a homo-polar end of the first winding serves as a signal inputend, while a non-homo-polar end is grounded; the second winding and the third winding serve as secondary windings; the non-homo-polar end of the second winding and the non-homo-polar end of the thirdwinding are connected with each other and are grounded; and the homo-polar end of the second winding and the homo-polar end of the third winding serve as signal output ends. Because of a structure per se of a three-line 1:1:1 transmission line transformer, the high-frequency response and the electrical conduction property, the transmission line transformer can realize combining and shunting of a super-wide frequency band signal of between 100 KHz and 3 GHz.

The invention provides an environment-friendly waterborne coating with solvent resistance and a preparation method. The material has a stable corrosion protection property. The preparation method is simple in process and low in production cost and is suitable for industrial production. The coating is prepared from the following components by weight percent: 2-6% of montmorillonite, 2-6% of polyethylene glycol, 5-10% of organic silicone emulsion, 6-10% of titanium dioxide powder, 10-14% of acetal resin composite oxide, 0.1-0.5% of barium sulfate, 40-50% of synthetic resin, 5-8% of epoxy resin and the balance of water, wherein the weight ratio of acetal resin to composite oxide in acetal resin composite oxide is (1-3) to 10.

The invention relates to a car body frame and a design method thereof. The car body frame comprises the following six large frames: a roof frame, a left side wall frame, a right side wall frame, a front wall frame, a rear wall frame and a floor frame; each large frame comprises a supporting beam and connecting beams which are arranged at end parts of the supporting beam in a crossing manner; outward turned edges are arranged at the end parts of the supporting beam; the connecting beams are provided with matching surfaces used for being overlapped with the outward turned edges; the supporting beams in the large frames are overlapped with the connecting beams through a spot welding process; each connecting beam comprises an opening; and the openings of the connecting beams in every two adjacent large frames are opposite and form a closed structural part through the spot welding process. As the supporting beams and the connecting beams in the large frames are overlapped through the spot welding process, assembly welding of the large frames is realized and the precision of assembly welding is improved; and as the connecting beams in every two adjacent large frames form a closed structural part through the spot welding process, integrated assembly of the large frames is realized, such operation properties as intensity and rigidity can be met, positioning is accurate, and the precision of integrated assembly is high.

The invention discloses a grounding conducting structure of solar cell panels. The grounding conducting structure comprises a crossbeam of steel structure, and the solar cell panels and conductive pads arranged on the crossbeam, wherein the conductive pads are arranged on the crossbeam and connected with metal frames of the solar cell panels. The conductive pads are directly placed at the corresponding positions of the crossbeam of the steel structure, so that the metal frame of each solar cell panel is electrically connected with the steel crossbeam, grounding is very reliable, construction is convenient, the onsite workload and the amount of members are greatly reduced due to that no bolt connection exists, and the construction cost is reduced. Multiple points of each solar cell panel are electrically connected with the steel crossbeam, and thus, the lightning protection and grounding effects of the whole photovoltaic system can be ensured.