66results about How to "Inlaid firmly" patented technology

The invention relates to an antibacterial reverse osmosis composite membrane, which comprises a reverse osmosis membrane and a polymer cross-linking coating. An antibacterial agent in the polymer cross-linking coating is composite inorganic powder containing nano-silver. In the composite inorganic powder, mass ratio of silver to attapulgite is 10 / 100-100 / 100, and particle size of nano-silver is 3-100 nm. The invention also relates to a preparation method of the antibacterial reverse osmosis composite membrane. The antibacterial reverse osmosis composite membrane provided by the invention has advantages of good antibacterial property, long life, etc.

The invention provides a loaded alloy catalyst for selective hydrogenation of alkyne and a preparation method thereof. The preparation method of the catalyst includes: dispersing metal salts containing Pd, M and Y in deionized water, using alkali as the precipitant, conducting coprecipitation reduction to obtain a bimetallic catalyst precursor, performing drying and roasting to form a PdMOx / YO2 composite oxide, and then conducting hydrogen reduction to obtain a PdM / YO2 catalyst. The active component of the catalyst is a palladium-containing alloy with a loading amount of 0.6-6wt% and a particle size of 1.5-5.5nm. The catalyst has the characteristics that: the active component is Pd-containing uniform alloy particles, and the alloy particles are stably inlaid on the carrier surface to produce metal-carrier strong interaction. The catalyst has excellent catalytic activity, selectivity and good recyclability in the reaction of olefin preparation by catalytic hydrogenation of alkyne.

The invention belongs to the field of nanobiological medicaments, and relates to a method for synthesizing a mesoporous silica-based nanocomposite embedded with gold nanorods. Based on the surface carboxyl-functionalization of gold nanorods and the surface amino-functionalization of mesoporous silica-based nanoparticles, the gold nanorods with carboxyl-functionalized surfaces and the mesoporous silica-based nanoparticles with amino-functionalized surfaces are compounded through an amide reaction to obtain the mesoporous silica-based nanocomposite with a uniform outer surface and the steadily embedded gold nanorods, wherein in the compound reaction, the synthesis is directly performed in water, a catalyst is not required to be added, and the acidity or ionic strength are not required to be adjusted. The method is simple and easy, pollution-free, and high in yield. The obtained composite has good dispersibility, biocompatibility and non-toxicity; and the composite possesses high medicament loading rate and medicament sustained-release function of mesoporous silica-based nanometer materials, and a function of the gold nano-rods which converts near infrared light into heat, can realize a therapeutic mode of the synergism of pharmacotherapy and optothermal therapy, and can be widely used in the fields of diagnosis and treatment of diseases, biological sterilization and the like.

The invention discloses a steel bridge deck paving structure and a construction method thereof. A combined type connecting layer and an ultrahigh-viscosity modified asphalt mastic rubble layer are laid on a bridge deck steel plate of a steel bridge deck in sequence, wherein the combined type connecting layer comprises a first modified epoxy resin and rubble layer and a second modified epoxy resin and rubble layer, a bonding material layer is further arranged between the combined type connecting layer and the ultrahigh-viscosity modified asphalt mastic rubble layer, and the bonding material layer is made of active epoxy resin materials. Compared with a traditional epoxy resin asphalt concrete bridge deck paving layer, the steel bridge deck paving structure and the construction method are low in construction cost, needless for dedicated equipment, beneficial to construction organization and high in construction speed, and have clear advantages on road sections with high traffic pressure.

The invention discloses a method for embedding gold and silver sheets. The method sequentially comprises the following steps of: sorting pure gold and silver raw materials, and processing; selecting jadestone, and reshaping; carving the surface layer of the jadestone; carving the surfaces of the gold and silver sheets; and embedding the gold and silver sheets. The method has the characteristics of reasonable process design and small using amount of precious metal raw materials, makes the gold and silver sheets firmly embedded and the surfaces honed, and is safe and reliable; a processed finished product has novel appearance, abundant natural scenes are represented incisively and vividly in a gold and silver sheet embedding process, and the finished product is more bright and colorful, more exquisite and magnificent and more stereoscopic and fashionable compared with the original jadestone embedded product; in addition, the jadestone is used as a substrate, perfect value acquired by combining precious metal with the jadestone and unique perception visual sense are highlighted, the process has unique and novel creativity, the combination of the precious metal and the jadestone accords with the tastes of consumers, and the method is extremely unique in China.

The invention aims to solve the technical problems that the existing technological method of gold inlaid with jade mainly relays on handwork and the production efficiency is low, and provides a technological method of gold inlaid with jade, which has high manufacturing efficiency and more elaborate manufacturing. The method comprises the following steps of: pressing 24K gold into 18K gold; b, drawing a planned gold sheet into a 3D figure through a computer; c, inputting the 3D figure of the gold sheet into the control system of a computer engraving machine, and directly engraving the required figure on the gold sheet by the computer engraving machine; and d, processing the jade in a hollow-out way, inlaying the gold sheet figure into the jade, and carrying out laser spot welding by a gold needle to reinforce the connection. The method has the beneficial effects of less gold usage, rapid production speed, higher yield, accurate size, high precision, richer gold sheet figure and more stereoscopic impression.

Strip-shaped solid wood mortise and tenon combined mosaic structure laminated wood is composed of a first spliced plate and a second spliced plate. Crossed battens and T-shaped battens by which the first spliced plate and the second spliced plate are formed through assembly are all of the structures with tenons and mortises, the defects of arc falling edges of strip cylindrical wood mandrels are reasonably overcome, the percentage of outturn is high, and machining is easy. The first spliced plate and the second spliced plate are of a mortise and tenon correspondence structure, the tenons and the mortises are mosaic correspondingly when the two plate timbers are subjected to combined mosaic adhesion, and the combined laminated wood is higher in adhesion area and firmer in adhesion after combined mosaic adhesion. In addition, after combined mosaic adhesion of the first spliced plate and the second spliced plate, original combined splicing points of small square bars adhere in inverted T-shaped and staggered modes, so that the strength of the laminated wood is improved.

The invention provides a metal powder sample preparation method for glow discharge mass spectrometry, which comprises the following steps: putting metal powder to be detected on a conductive substrate, putting the metal powder to be detected and the conductive substrate into a mold together, performing heating and pressurizing, and embedding the metal powder into the conductive substrate to finishsample preparation. According to the method, the metal powder is embedded into the conductive substrate through heating and pressurizing, the metal powder is embedded stably and is not prone to falling off, a high-quality sample for GDMS detection can be prepared, and the success rate can reach 98% or above; by means of acid pickling before sample preparation and use of the mold, impurities on the surfaces of the conductive substrate and the mold can be effectively removed, pollution possibly caused by the sample is reduced, and the accuracy of detection data is improved.

The invention provides a pavement structure of a steel bridge deck and a construction method thereof. the pavement structure of the steel bridge deck comprises a first waterproof bonding layer, a modified epoxy asphalt macadam layer, a second waterproof bonding layer and an ultra-high performance structural layer which are sequentially paved on the surface of a steel plate of the steel bridge deck; the ultra-high performance structural layer is a pavement structural layer taking polymer modified asphalt as an adhesive, or comprises a pavement structural layer taking the polymer modified asphalt as the adhesive and a third waterproof bonding layer; the second waterproof bonding layer and the third waterproof bonding layer are the layers formed by at least one material of epoxy emulsified asphalt, polymer modified asphalt and polymer modified emulsified asphalt. The pavvement structure of the steel bridge deck provided by the invention has better resistance and stability.

The invention relates to a three-dimension pore electrode for an accumulator and the preparation thereof. The structure of an electrode plate is that a three-dimension network basal body is formed through active substances which account for 10-90% volume in non-metal material, active substances are embedded in meshes to form a porous electrode basal body with three-dimension pore structure. The preparation of the electrode comprises mechanically mixing skeleton, pores and bonding material according to the proportion, then filling into a mould to conduct with autoclaving with 100-300 DEG C, then demoulding after 2-5 minutes, adding in a heating furnace to calcine into poromerics with 590-74 micron reserving as the three-dimension network basal body, embedding lead or lead dioxide into the meshes of the three-dimension network basal body through the mechanical coating way, facilitating the three-dimension basal body material to be attached with a conductive layer through the chemical plating, and then communicating oxygen for 15-60 minutes in an oxygen furnace. The invention increases active substance utilization in a maximum degree through increasing the surface of the pores, and the accumulator which is produced has high specific energy, high power and long service life, and has high discharge rate and fast charge capability.

The invention discloses a wearing-resistant composite material fan coal mill hitting plate which comprises a metal substrate, a composite material insert block, dowels and a rubber ring, wherein through holes and dowel holes I are uniformly formed in the metal substrate; one end of the composite material insert block protrudes out; the other end of the composite material insert block is a steppedshaft; one end of the stepped shaft is sleeved by the rubber ring; a dowel holes II are formed in the composite material insert block; dowel holes III are formed in the rubber ring; the composite material insert block is embedded into the metal substrate; the dowels penetrate through the dowel holes I in the metal substrate, the dowel holes III in the rubber ring and the dowel holes II in the composite material insert block; the cross section of the protruding end of the composite material insert block takes the shape of a circle or a polygon. By adopting the hitting plate, the wearing resistance of the hitting plate can be remarkably improved, the service life of the hitting plate can be greatly prolonged, and in addition, a ceramic / metal-based composite material can be replaced in time after being damaged or peeled off, so that the production and repairing cost can be lowered, and the production efficiency can be improved.

The invention provides a melt-casted diamond drill bit, belonging to the superhard material cutting tool technical field. The technical proposal of the invention is capable of producing melt-casted diamond core drill, diamond geological drill, diamond deep well drill, etc. compared with sintered diamond drill bit, the melt-casted diamond drill bit has manufacturing accuracy several times higher, and is wear resistant and sharp; compared with galvanized drill bit and brazed diamond drill bit, the melt-casted diamond drill bit has lower manufacture cost and longer service life; compared with dry drill, the abrasion resistance of the melt-casted diamond drill bit is several times higher; thereby, the melt-casted diamond drill bit is applicable for various drilling work, such as the drilling work in marbles, glasses, bituminous road surfaces, concrete road surfaces, reinforced concrete engineering components, and even in hard granitoid, and even harder and more brittle silicon crystal.

The invention discloses a method for making fabric of an automobile-trunk cover plate. The method includes the steps that 1, a glass fiber layer, a honeycomb paper core and a glass fiber layer are sequentially laminated to form a laminated structure; 2, polyurethane materials are sprayed to the front face and the back face of the laminated structure respectively; 3, the fabric is spread to a lower mold plate of a mold, then an embedded nut is put on the fabric, the laminated structure coated with the polyurethane materials is put on the fabric, and after mold assembling is carried out, molded materials are obtained. According to the method, as glue is not used for bonding fabric, the cost of glue and the manufacturing cost of devices required by the spraying technology, the pressing technology and the like are saved, and meanwhile the problems of overproof VOC discharging and overproof smells of the glue are greatly solved.

The invention relates to an embedded device and an embedded technology thereof. The embedded device comprises a baseplate, a diamond embedded at the upper part of the baseplate separately, and a decorative frame arranged above the diamond, and further comprises a decorative nail capable of fixedly connecting the decorative frame with the baseplate; through the installation of the decorative nail, the diamond can be fixedly installed between the decorative frame and the baseplate and the top of the decorative nail can be used for directly pressing and embedding some diamond pieces. The embedded device provided by the invention is simple in structure and firm in embedding; not only can the radiance of the diamond be shown, but also the diamond pieces are utilized to the maximum extent. Therefore, the modeling becomes more attractive, and the grade of ornamental articles is greatly enhanced.

The invention discloses a magnesium alloy surface treatment method. The method comprises the following steps of S1, carrying out magnesium alloy surface pretreatment to obtain a clean and rough magnesium alloy surface; S2, carrying out activating treatment, specifically, placing an magnesium alloy in an activating solution containing activating particles to be activated; and S3, carrying out electro-oxidation passivation, specifically, placing the magnesium alloy into an electro-oxidation solution, and forming a passivation film on the magnesium alloy surface through a constant-pressure oxidation control method. After the magnesium alloy surface is activated, electro-oxidation passivation is carried out on the active magnesium alloy surface in an electrolysis manner, so that metal particles with chemical deposition activity can be firmly embedded into the passivation film. A process of firstly activating, then carrying out electrooxidation to form a layer of electro-oxidation passivation film with activity and finally carrying out chemical nickel plating is adopted, so that the difficulty in plating the magnesium alloy due to direct corrosion of the plating solution to a magnesiumalloy substrate is overcome. The magnesium alloy surface treatment method is suitable for all magnesium alloy substrate materials, and particularly has a better effect on chemical nickel plating of high-activity rare earth magnesium alloy and magnesium-lithium alloy substrates.

The invention provides a coating cutter shaft with a diamond abrasive grain layer. The coating cutter comprises a cutter shaft body and a diamond grinding grain layer fixedly arranged on the surface of the cutter shaft body, the coating cutter shaft has higher holding force to the cutter flywheel, relative to the common metal cutter shaft, the coating cutter shaft with the diamond abrasive grain layer is good in wear resistance, the service life is long, and the cutter flywheel installed by using the coating cutter shaft is more stable in glass cutting. The invention further provides a methodfor manufacturing the coating cutter shaft, and specifically, a braze welding sub-layer is brazed to the surface of a cutter shaft body, and then a titanium carbide sub-layer is deposited on the brazing sub-layer in a physical vapor deposition mode, raw materials used by the method are wide in source, the diamond abrasive particles can be uniformly brazed on the surface of the cutter shaft body byusing the method, and a titanium carbide sub-layer can be uniformly arranged on the surface of the brazing sub-layer. The method is simple and convenient, the conditions are mild, the diamond abrasive particles are firmly and stably arranged in the brazing sub-layer and the titanium carbide sub-layer.

The invention discloses a plating solution for a nickel-cubic boron nitride film through an electroplating method and a preparation method thereof. The plating solution is prepared through dissolving baric acid, ammonium chloride, nickel aminosulfonate and sodium lauryl sulfate in deionized water, and each liter of the plating solution contains 30-50 g of the baric acid, 5-15 g of the ammonium chloride, 280-320 g of the nickel aminosulfonate and 0.6-1.0 g of the sodium lauryl sulfate. A formula of the plating solution is optimized, so that the nickel-cubic boron nitride powder in the plating layer of the nickel-cubic boron nitride film produced by the electroplating method is uniformly distributed, and no agglomeration is generated; and moreover, a nickel layer of the film is relatively smooth, and the nickel-cubic boron nitride powder in the film does not generate the agglomeration and is firmly embedded.

The invention discloses a method for preparing a nickel-cubic boron nitride film through ultrasonic electroplating. The method comprises the following steps of: cleaning cathodic and anodic base materials and cubic boron nitride powder; then putting the treated cathodic and anodic base materials and cubic boron nitride powder into a plating solution for electroplating; and applying ultrasonic waves to the plating solution in an electroplating process. The ultrasonic waves are introduced and electroplating parameters are optimized when the nickel-cubic boron nitride film is prepared through an ultrasonic electroplating method, so that the nickel-cubic boron powder in the nickel-cubic boron nitride film produced by the electroplating method is uniformly distributed, and no agglomeration is caused; and moreover, a nickel layer in the film is also relatively smooth, and the nickel-cubic boron powder does not generate the agglomeration in the film and is firmly embedded.

The invention relates to the technical field of protective structures, and discloses a safety protective structure for mountain landslide management. The safety protective structure includes a connection frame, the inner surface of the connection frame is fixedly connected with a steel wire mesh, the front surface of the connection frame is movably connected with a fixing clamping seat, the lowersurface of the fixing clamping seat is fixedly connected with a base, the lower surface of the base is fixedly connected with a fixing assembly, and a splicing assembly is fixedly mounted on the outersurface of the connection frame. According to the safety protective structure, through the additionally arranged fixing assembly, when landslide-prone mountain is reinforced, workers can convenientlyinstall the fixing assembly on the required position, the fixing assembly can be firmly embedded in the mountain, the landslide-prone mountain can be more firmly fixed, through the additionally arranged splicing assembly, the workers conveniently fix the landslide-prone mountain, meanwhile transportation is convenient during transportation, and the transportation space is saved.

The invention discloses a cooperative-dosage-form pig semen diluent. The pig semen diluent is characterized in that an individual package of 1,000-ml liquid A and an individual package of 50-ml liquidB combine with each other to form a cooperative package A and a cooperative package B, and during use, the liquid B is temporarily added into the liquid A and evenly stirred to prepare the diluent; the 1,000-ml liquid A in the individual package is prepared from 28.5-31.5 g of mono-molecular crystal water glucose, 0.38-1.29 g of mono-molecular crystal water citric acid, 4.93-6.47 g of bi-molecular crystal water disodium hydrogen phosphate and the balance water for injection; the 50-ml liquid B in the individual package is prepared by carrying out wetting, distilling and sterilization on violaphilippica, flos chrysanthemi indici, houttuynia cordata and coarse dandelion powder. By adopting the individual package of the liquid A and the individual package of the liquid B for making the matched cooperative packages, the cooperative-dosage-form pig semen diluent is prepared; therefore, when the product is about to be used, the package of the liquid B is opened, and then the liquid B is injected into the package of the liquid A, after evenly shaking, the pig semen diluent which has stable sterilization and anti-virus functions is formed and has the advantage that the better stability of the diluent can be maintained during the storage and transportation periods.

The invention relates to the field of safety protection equipment of automobiles, in particular to a connection structure for a safe air bag frame. The connection structure for the safe air bag frame comprises a dashboard, a metal air bag frame located on the inner side of the dashboard, and a metal end plate, wherein the size of the metal end plate is smaller than that of the inner circumference of the metal air bag frame; a through groove communicated with one side edge of the metal end plate is formed in an end surface of the metal end plate; the metal end plate is located at one end of the metal air bag frame, and one end surface of the metal end plate is codirectional with the other end of the metal air bag frame; one side edge of the metal end plate is fixedly connected with one side edge of the metal air bag frame; one end of the metal end plate and one end of the metal air bag frame are inlaid in the dashboard; and grooves connected end to end are formed in the inner side surface of the dashboard along other side edges except one side edge where the metal air bag frame is connected with the metal end plate. According to the connection structure for the safe air bag frame, when a collision accident happens to an automobile, the air bag can be unfolded normally for protection, the effect is good, and scraps of the dash board cannot splash when the air bag is unfolded.

The invention relates to premna microphylla high-fiber noodles and a preparation method thereof. The method first extracts water-soluble dietary fibers and water-insoluble dietary fibers in premna microphylla leaves, then adds the water-soluble dietary fibers and the water-insoluble dietary fibers in premna microphylla into high-gluten flour in different proportions, and adopts a vacuum dough kneading technology to obtain the premna microphylla high-fiber noodles. The premna microphylla high-fiber noodles not only maintain the original cooking character and sensory quality of noodles, but alsohave high dietary fiber content, meet the high fiber requirements, and have an obvious effect of moistening intestines and relaxing bowels.

The invention discloses a shower room accessory with a double-color inlaid surface and a production technology thereof. The shower room accessory comprises a body and an insert, wherein a groove in a shape identical with that of the insert is formed in the outer surface of the body and used for inlaying of the insert, and the accommodating space size of the groove is larger than the boundary dimension of the insert by 0.05-0.15 mm every single edge. According to the shower room accessory which is simple in structure and stable in inlaying and the production technology thereof, it is ensured that the insert can be tightly inlaid in the body, the technology is simple, and production is convenient.

The invention discloses a polysiloxane / titanium sol photocatalytic composite film and a preparation method thereof. The preparation method comprises the following steps: after mixing terminal hydroxyl silicone oil, polymethylhydrosiloxane, a titanium sol and a solvent methylbenzene in certain amounts, dropwise adding a small amount of Karstedt platinum catalyst; initializing dehydrogenation condensation reaction between two types of silicon oil; after quickly and uniformly stirring, pouring into a polytetrafluoroethylene die; and gradually forming the film along with volatilization and condensation reaction of the solvent. The composite film disclosed by the invention is prepared from easily available raw materials, mild in preparation condition and simple in process and is suitable for large-scale industrialized production. In addition, the composite film is strong in controllability of structural morphology and can give consideration to property of ultraviolet resistance and photocatalytic performance of titanium sol particles, so that the composite film not only has an excellent ultraviolet shielding effect, but also has the functions of generating degraded organic matters, resisting and inhibiting bacteria, self-cleaning and the like due to the photocatalytic effect. The polysiloxane / titanium sol photocatalytic composite film can be used in the fields of textile, cosmetics, coatings, buildings, hygiene, medicines and the like.

The invention relates to a two-color cable sheath extruded mould with an improved structure, comprising a mould core unit (1) and a mould cover unit (2). The two-color cable sheath extruded mould with the improved structure is characterized by also comprising a mould sleeve unit (3), wherein a mould sleeve side wall (334) is provided with an injection molding hole (333) longitudinally passing through the mould sleeve side wall (334), and a mould sleeve hole (336) formed inside the mould sleeve side wall (334) is communicated with a mounting hole (331) on the front end surface (335) of the mould sleeve unit (3); the surface of the mould cover unit (2) is provided with a diffluent groove (33) and a color separation ring (23), and both of the diffluent groove (33) and the color separation ring (23) are provided with color separation holes (34) passing through the wall of a mould cover body (24) from top to bottom; the diffluent groove (33) and the color separation ring (23) are convergedinto the mould cover body (24), and the diffluent groove (33) and the color separation ring (23) both does not pass through the wall body of the mould cover body (24); the color separation ring (23) is spirally distributed along the surface of the mould cover body (24); and the inner surface of the mould sleeve side wall (334) is provided with a thread matched with screw teeth on the outer surface of the mould cover body (24). The invention has the advantages of simple structure, more even distribution of colored bands and more beautiful produced light, cables and pipelines and easy installing and debugging, and conforms to the principle of viscous body hydromechanics.

The invention relates to a wire cable jacket extrusion mold, in particular to a three-color wire cable extrusion mold, comprising a mold core unit (1), a first mold cover unit (2) and a mold sleeve unit (3). The three-color cable jacket extrusion mold is characterized by further comprising a second mold cover unit (4), a plurality of flow guiding rods (6) and a fluid director (5); and the axes ofa color distribution hole (34) and the axes of the first mold cover unit (2) form an included angle larger than 5 DEG and less than 175 DEG. The three-color wire cable extrusion mold solves the problem in one-step extrusion of three color marks at one pipeline or the out surface of one wire cable. The invention is easy to install and adjust and coincides with the principle of thick fluid hydromechanics better; and with even distribution of color strips, produced optical cables, cables and pipelines are more attractive.

The invention relates to a preparation method of a nickel-cubic boron nitride film. The method comprises the following steps of: firstly cleaning anode / cathode base materials and cubic boron nitride powder; putting the treated anode / cathode base materials and cubic boron nitride powder into a plating solution and electroplating, wherein the plating solution is formed by dissolving boric acid, ammonium chloride, nickel aminosulfonate and a lauryl sodium sulfate solution in deionized water; and applying an ultrasonic wave with the power of 250 to 260W and the frequency of 20 to 40KHz to the plating solution during the electroplating process. By leading the ultrasonic wave into the electroplating process and optimizing the formula and the process parameters of the plating solution, the cubic boron nitride powder in the plating layer of the nickel-cubic boron nitride film generated in the electroplating manner is distributed uniformly and is not agglomerated. In addition, the nickel layer in the film is flat relatively; and the cubic boron nitride powder is not agglomerated in the film and is firmly embedded.