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 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 telescopic rotary mechanism of an automobile sound panel. Structurally, the telescopic rotary mechanism comprises a telescopic rotary base, a sound panel, a panel protectivecover, a panel protective groove, and a locking screw, wherein the panel protective cover is a cuboid, the panel protective groove integrally penetrates through from front to rear in the middle, the panel protective groove is a trapezoid groove, the upper bottom surface faces the rear side, the panel protective cover is locked with the sound panel, and four front corners of the sound panel are locked with the telescopic rotary base through locking screws. When the mechanism is used, the mechanism is rotated in a positioned place through springs, troughs and clamps of the mechanism, and the panel ejects when being used in a telescopic and rotary manner, so that the panel can be controlled stably when being expanded and rotated, and the sound panel is prevented from moving due to misopertionand is convenient to take out, and is convenient to use.

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 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 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.