195results about How to "Strong compactness" patented technology

The invention discloses a preparation method of a MoS2 composite thin film with high hardness and loss abrasion on a surface of a substrate. The method comprises the following step: sequentially depositing a metal Ti priming coat, a TiN transitional layer and a Ti/MoS2 composite thin film on the surface of the substrate by using a high power pulse magnetron sputtering technology combined with optimized process conditions to obtain the MoS2 composite thin film which is strong in film binding force and high hardness and has low frictional coefficient and wear rate in various frictional environments. The nano hardness of the composite thin film is over 11GPa, the critical load value is over 60N, and the frictional coefficients in room-temperature air with relative humidity of 30%, 50% and 70%, an N2 atmosphere and a hydraulic oil environment are below 0.055. Therefore, the substrate is effectively protected in frictional reduction, and the composite thin film has a good application prospect.

The invention discloses a brush plating device and method for repairing scratches of mechanical parts. The device comprises a plating pen drive device, a bracket and a plating solution circulating feeding device, wherein the plating pen drive device clamps a plating pen and drives the plating pen to move in a straight line in a reciprocating manner; the bracket is used for fixing a plating part; the plating pen comprises a conductive pen handle; a graphite nib with a hollow cavity is arranged at one end part of the conductive pen handle; a plating solution lead-in hole and a plating solution seepage hole, which are communicated with the inner cavity, are formed on the nib; the plating solution circulating feeding device comprises a liquid storage tank; the liquid inlet of the liquid storage tank is connected with the liquid outlet of a liquid collecting box; the liquid outlet of the liquid storage tank is connected with the plating solution lead-in hole of the nib; the conductive pen handle and the plating part are connected with a positive electrode and a negative electrode of a direct current power supply. The method comprises the following steps: circularly feeding liquid; carrying out linear friction motion by the nib by tightly attaching to the scratched part of the plating part after stabilization; electrifying the conductive pen handle and the plating part, and beginning the brush plating operation. A coating is prepared by adopting the modes of liquid feeding inside the graphite plating pen and linear friction on the scratched parts of the mechanical parts in the reciprocating manner; repair on the scratched parts is achieved; the repair effect is good.

The invention relates to a fast method for shaping resin composite material element, employing epoxy resin (E-51) and acrylic acid, carbonized silicon crystal whisker as intensifier, N,N-dimethylaniline as accelerant, p-methyl phenoxide as inhibitor, trimethylolpropane acrylate as diluting monomer, isopropyl thioxanthones as photo-initiation agent, silane coupling agent (KH-560) as modifier, and methanol as dissolvent. The method comprises following steps: synthesizing epoxy acrylate, diluting with trimethylolpropane acrylate, synthesizing photosensitive resin, synthesizing resin composite material miscible liquids with photosensitive resin and carbonized silicon crystal whisker, fast shaping element on photo-hardening shaping device, the composite material miscible liquid is controlled by ultraviolet light source, focusing lens focusing lens and computer program in electrode tank of X-Y-Z working bench. The invention provides a fast method for preparing injecting mold, flake grinder, ultra-thin element and accessory in special shape.

The invention relates to the field of metal anticorrosive paints, particularly relates to a nano modified aqueous epoxy rust-resisting paint and a production method thereof. The nano modified aqueous epoxy rust-resisting paint comprises a component A and a component B, wherein the component A comprises aqueous epoxy emulsion, wetting dispersant, levelling agent, film forming auxiliary agent, antifoaming agent, filling material, anti-flash rust agent, antirust pigment and water and especially nano organic silicon solution, and the component B comprises aqueous cashew nut shell oil modified amine hardener and water. According to the invention, by using the nano inorganic silicon solution to modify the aqueous epoxy rust-resisting paint, compared with unmodified aqueous epoxy rust-resisting paint, the paint film is denser after solidification, and the anlirust property is better; the hardness of the paint film is strengthened, the thixotropy is good, and there is no sagging during facade construction; and compared with the usage of modified polyurethane, alkali swelling and other thickening rheological auxiliary agents, the cost is greatly reduced.

The invention discloses a polymer repairing mortar. The polymer repairing mortar comprises 400-500 parts of cement, 500-600 parts of quartz sand, 1-5 parts of a high-molecular polymer, 5-15 parts of a polymer, 1-5 parts of silicon micropowder and 0.1-0.3 parts of wood fiber, wherein the high-molecular polymer is cellulose ether, and the polymer is re-dispersible latex powder. The purpose of the invention is to provide the polymer repairing mortar with the characteristic of long service life and no cracking, and a preparation method thereof.

The invention provides a processing technique for residual papermaking black liquor, relating to the processing technique for industrial sewage. The provided processing technique clears the black liquor by leading lignin and glycan in the papermaking black liquor to become inorganic so as to solidify and discharge harmful substances in the black liquor. As to the papermaking black liquor containing the lignin and the glycan, the processing technique in the invention includes the following steps: 1) oxidizing reaction; 2) neutralization and coagulation. Certain quantity of sulfuric acid, ferrous sulfate and hydrogen peroxide is added to the black liquor, and the pH value is adjusted, so as to carry out the oxidizing reaction; then, most of the lignin and the glycan become inorganic, the COD of supernate which is precipitated for 12 to 16 hours is reduced to about 600mg/L, the color of waste water becomes light yellow from dark black, and the chroma is about 80 times. Certain quantity of sodium hydroxide and aluminum sulfate is added to the light yellow supernate so as to carry out the reaction of neutralization and coagulation, the COD of the precipitated water is reduced to lower than 350mg/L, the chroma is lowered to about 16 times, and the water quality is stable and reaches the standard.

The invention aims to provide a high-pressure resistant lamella heat exchanger adopting round corrugated plates, which includes a shell, cover plates, a corrugated plate lathed bundle, flow guiding blocks and support plates, wherein the corrugated plate lathed bundle includes corrugated plates and is fixed in the shell through the support plates; the two ends of the shell are sealed by the cover plates; a shell side outlet and a shell side inlet are arranged in the shell; a plate side inlet and a plate side outlet are arranged in the cover plates; an annular zone between the shell and the corrugated plate lathed bundle is divided into a shell side inlet chamber and a shell side outlet chamber through the flow guiding blocks; the shell side inlet is communicated with the shell side inlet chamber; the shell side outlet is communicated with the shell side outlet chamber; angular holes are formed in the corrugated plate lathed bundle; and the plate side inlet is communicated with the plate side outlet through the angular holes in the corrugated plate lathed bundle. The high-pressure resistant lamella heat exchanger provided by the invention has the advantages of high pressure bearing capability, high heat exchange efficiency, compact structure, big heat transfer area in a unit volume, wide material selection range, wide application range, as well as simplicity in processing and installation.

The invention discloses a design method of particle size distribution of a fractured leakage bridging leaking stoppage particle material. The design method comprises the following steps of grading theleaking stoppage material according to the particle size; calculating the expected range of the characteristic particle size value of the leaking stoppage material according to the crack width and particle size selection criterion; setting the relative percentage content of each stage of leaking stoppage material; fitting a particle size distribution curve by using a particle size distribution function; calculating a characteristic particle size value of the plugging material according to the particle size distribution curve; judging whether the calculated characteristic particle size value conforms to the expected range of the characteristic particle size value calculated in the step S20 or not; and finally generating the particle composition of the plugging material according with the particle selection criterion. According to the method, it can be guaranteed that the leaking stoppage granular materials enter the cracks to form the stable blocking interlayer, the blocking interlayeris high in compactness and suitable for the bridging leaking stoppage technology of fractured formation leakage, and the method has the beneficial effects of being clear in physical significance, facilitating engineering operation and the like.

The invention provides a constraint-based face identification method for a single test sample. The method comprises the following steps: step 1, performing preprocessing on a training sample set and a test sample; step 2, in a first phase of an algorithm, designing a function relation between the test sample and a training sample, and establishing the function relation between the test sample and the training sample through a method of representing the test sample by use of the training sample in a linearity mode; step 3, designing a class embedded item of a dictionary; step 4, in a second phase of the algorithm, learning the dictionary which is also optimal expression of the test sample by use of the training sample set; and step 5, a classification method, i.e., classifying the test sample by use of a linearity classification method. A test result indicates that the algorithm which is brought forward has the advantages of low calculation complexity, high reconstruction performance, high identification performance and high compactness and the like, and can further improve the face identification rate.

The invention discloses a lifting type intercepting device based on wastewater treatment and a using method of the lifting type intercepting device. The device comprises a base, a lifting assembly, wherein one end of the lifting assembly is fixed in the middle of the base, an intercepting assembly which comprises an intercepting frame and a filter screen, wherein the filter screen is fixed to oneside wall of the intercepting frame, the other end of the lifting assembly penetrates through the top wall of the intercepting frame to extend into the intercepting frame and is rotationally connectedwith the intercepting frame and a buffer attaching assembly is arranged at the bottom of the intercepting frame, a collecting assembly which is arranged on the side wall of the intercepting frame andis in sliding connection with the intercepting frame, an anti-blocking cleaning assembly which is arranged in the intercepting frame and is in sliding connection with the intercepting frame, whereinthe anti-blocking cleaning assembly and the filter screen are oppositely arranged, and a controller which is electrically connected with the lifting assembly, the collecting assembly and the anti-blocking cleaning assembly. The intercepting device is reasonable in design, rich in function, easy to operate, good in anti-blocking cleaning effect, high in working efficiency and capable of effectivelyachieving centralized collection and treatment on large-size garbage.

The invention relates to a moulding material used for high-grade melamine tableware and a preparation method thereof. The moulding material is prepared from the following raw materials in percentage by mass: 35-65% of melamino-formaldehyde resin, 25-35% of inorganic minerals, 5-15% of organic silicon resin, 2-6% of wood cellulose, 0.5-1% of a lubricating agent, 0.5-1% of a curing agent, 1-2% of titanium white, 1-4% of triethanolamine and 0-1% of pigment, wherein the sum of the weight percents of all the raw materials is 100%; and the inorganic minerals are formed by mixing silica powder, jade porcelain and calcium carbonate in a ratio of 3:(0.5-1.5):(0.5-1.5). The preparation method comprises the following steps: preparing the melamino-formaldehyde resin, kneading, drying, crushing and carrying out ball milling, and packaging. According to the invention, the inorganic mineral and organic silicon resin are added into melamine resin, and compression moulding is carried out, so that the tableware has the characteristics of higher density, strong compactness, higher break resistance, light transmission, glittering and translucent carving appearance and better quality compared with ceramic tableware.

An environmental-protection type nano-class liquid aluminium foil as a chemicoplating material on the surface of metal is prepared from pure coster oil, TDI, epoxy resin, aluminium powder and nano-class filler through a special process. It has solvent type and water type. Its advantages are low cost, excellent anticorrosion performance, and no environmental pollution.

The invention relates to an electrode material of a crystalline silicon solar cell, in particular to front-face electrode slurry with the low silver content for a silica-based solar cell main grid and a preparation method of the front-face electrode slurry. The front-face electrode slurry with the low silver content for the silica-based solar cell main grid is mainly formed by mixing, by weight, 65-75% of silver powder, 21-31% of organic bond, 1-8% of glass powder and 0.5-3% of inorganic additives. The front-face electrode slurry is used for crystalline silicon solar cell main grid lines, and developed for reducing the production cost and the manufacturing cost of the silica-based solar cell. The front-face electrode slurry is printed on the back face of the crystalline silicon solar cell, and forms a silver electrode with the high adhesive force and the high reliability on the main grid on the front face of the crystalline silicon solar cell through the infrared fast-burning process, wherein the actual peak temperature of the surface of a silicon wafer is 780-810 DEG C, and the peak time is 1-2s.

The invention discloses a landscape tree cultivation method applicable to saline-alkali soil. The landscape tree cultivation method applicable to the saline-alkali soil comprises step1, soil improvement, wherein a soil conditioner is sprayed on the saline-alkali soil with 0.3 to 0.4 % salt content before the rain and nutrient soil and saline-alkali sandy soil are uniformly mixed according to the ratio of 1:3 to 4 for standby application; step 2, ditch excavation, wherein a 1 m width and 1 m depth of ditch is excavated out of the soil after the soil improvement in the step 1; step 3, ditch finishing, wherein 20 cm thickness of carpolite is embedded into the bottom of the ditch in the step 2 and a plastic film with holes covers the carpolite; step 4, landscape tree buried cultivation, wherein a landscape tree with the root with a soil ball is planted into the ditch, the soil ball is located below the horizontal position of the ditch, the soil ball is 5 to 6 times of the tree diameter of the landscape tree, and a plurality of pores penetrate the soil ball; step 5, landscape tree filling, wherein gaps around the landscape tree are filled with a mixture of the nutrient soil and the saline-alkali sandy soil which are prepared well in the step 1 to enable the landscape tree to be tight until the soil ball is covered; step 6, management and protection and step 7 forming.

The invention discloses a coating glaze, which comprises main materials and auxiliary materials, wherein the main materials comprise, by weight, 15-25% of quartz, 3-10% of boron carbide, 40-60% of boron glass, 3-10% of toner, 5-15% of glaze dissolving powder, and 5-15% of white corundum, and the auxiliary materials comprise a binder accounting for 20-35% of the total weight of the main materials,water glass accounting for 30-50% of the total weight of the main materials, a dispersant accounting for 0.5-1% of the total weight of the main materials, and a suspending agent accounting for 0.2-0.5% of the total weight of the main materials. The invention further discloses a use method of the coating glaze, wherein the use method comprises: 1, mixing the main materials and the auxiliary materials, and carrying out ball milling for 2-3 h to prepare a uniformly-mixed coating glaze composition; and 2, carrying out spray coating at a working area, and carrying out high temperature heating. According to the present invention, quartz, boron carbide, boron glass and white corundum are used as the main materials, have different melting temperatures, and can well react with each other during thehigh temperature firing to generate the dissolving phase, wherein the continuous casting member and the coating glaze can be closely combined through the dissolving phase so as to solve the technicalproblem of the unstable use performance of the physical coating.

The invention provides fair-faced concrete and a preparation method thereof and relates to the field of building materials. The fair-faced concrete comprises the following raw materials in parts by weight: 370-460 parts of cement, 50-100 parts of fly ash, 1250-1640 parts of aggregate, 20-30 parts of diatomite, 3-5 parts of cellulose, 5-10 parts of fiber, 5-10 parts of rubber powder, 10-15 parts ofan expanding agent and 10-15 parts of an additive. According to the invention, the technical problem of lack of fair-faced concrete with good fluidity and high appearance quality after pouring in thedomestic market can be solved, and the purpose of improving the effect of the fair-faced concrete after pouring is achieved.

The invention discloses a method for preparing a gold electrode on a CdZnTe crystal, which is used for preparing the gold electrode and a lead-out wire on the CdZnTe crystal. The method comprises the following steps: firstly, selecting a high resistance CZT with the resistance greater than 109 ohms as a CZT substrate of the electrode; sputtering a layer of Au film; depositing a layer of Au film; and immediately putting the substrate into a quick atmosphere annealing furnace, and performing quick annealing in the nitrogen atmosphere to complete the preparation of the Au electrode, wherein the annealing parameters are that: the temperature is between 150 and 250 DEG C and the time is 5 to 10 minutes. Because a method of performing ion sputtering first, then gold depositing and final annealing is adopted to prepare the gold electrode, the method has the advantage of large bonding force between Au and the CZT substrate in the sputtering plating and the advantages of good compactness and evenness of the Au film and strong bonding force between the Au film and the lead-out wire in the gold depositing, and effectively prevents the electrode from falling off and being unstable. The electrode with good bonding force and good ohm property is prepared and the effective connection of the electrode and the lead-out wire is realized.

The invention provides two-dimension code electrochemical aluminum which comprises a base film layer made of a PET (polyester) film or a BOPP (biaxially-oriented polypropylene) film, a release layer positioned on the base film layer and made from organic silicon resin, a coloring layer positioned on the release layer, an aluminum-coated layer positioned on the coloring layer and formed by coating of gaseous aluminum under vacuum condition, an adhesive layer positioned on the aluminum-coated layer and made from thermoplastic resin, a coverage layer arranged between the release layer and the coloring layer, positioned on the release layer and made of scratch card ink, an isolation layer positioned on the coverage layer and formed by a water-based polishing oil coating, and a code spraying layer positioned on the isolation layer and used for printing two-dimension code in a computer code-spraying way. According to the two-dimension code electrochemical aluminum, a digital layer can be effectively covered by configuring the coverage layer, so that people cannot see the information content of the digital layer from the surface; and the two-dimension code electrochemical aluminum is strong in compactness and high in copy protection performance.