1162results about How to "Easy to realize industrialization" patented technology

The invention discloses a preformed material for post-tensioned prestressing pipeline vacuum grouting or mudjacking and a preparation method thereof. The preformed material includes the following components by weight percent: 65 to 95 percent of silicate cement, 0.01 to 3 percent of high-range water-reducing agent, 0 to 1 percent of stabilizing agent, 0.05 to 5 percent of retarding agent, 1 to 20 percent of expanding agent, 0.2 to 2 percent of corrosion inhibitor, 0.01 to 1 percent of air entraining agent and 0 to 30 percent of mineral materials, wherein by uniformly and proportionally mixing the silicate cement, the high-range water-reducing agent, the stabilizing agent, the retarding agent, the expanding agent, the corrosion inhibitor, the air entraining agent and the mineral materials, the post-tensioned prestressing pipeline vacuum grouting or mudjacking preformed material can be obtained. After being uniformly mixed and stirred with water with neutral pH value according to the water cement ratio ranging from 0.24 to 0.32, the preformed material can be used, the obtained grouting material has the advantages of low water cement ratio, favorable flowability, no water bleeding and delamination, and favorable pumpability; meanwhile, the preparation method of the preformed material is simple and the raw material sources of the preformed material are wide.

The invention relates to a method for protecting anode of a lithium sulfur battery. A diaphragm functional protective coating can be used for effectively suppressing the generation of lithium dendrites on the surface of a lithium anode, improving the safety of the battery and prolonging the cycle life of the battery, and slurry mixing is carried out by controlling the types and the proportion of a carrier, an adhesive, an additive and the like of the coating to prepare a diaphragm with the functional protective coating for protecting the lithium anode. The operation process is simple, and the protective layer can be used for effectively suppressing the generation of the lithium dendrites; and meanwhile, the additive is continuously released from the carrier, a layer of the protective diaphragm is continuously formed on the surface of the lithium anode to protect the lithium anode, and the safety and the cycling performance of the lithium sulfur battery are further improved.

The invention belongs to the field of quantum dot light-emitting diodes and provides a quantum dot light-emitting layer, a preparation method thereof and a QLED. The quantum dot light-emitting layer comprises quantum dots and ligands chelated with the quantum dots. Each ligand comprises C2-C10 compounds containing polar coordinating groups and has the charge transmission property. The preparation method comprises the steps of providing a mixed solution of the quantum dots and the ligands having the charge transmission property, preparing a quantum dot solution containing the ligands having the charge transmission property, and forming a quantum dot light-emitting layer by utilizing the quantum dot solution in the deposition manner. Or, the method comprises the steps of respectively providing a ligand solution having the charge transmission property and the quantum dot light-emitting layer, subjecting the quantum dot light-emitting layer and the ligands having the charge transmission property to the replacement reaction, and obtaining a quantum dot light-emitting layer containing chelated ligands having the charge transmission property. The QLED comprises a cathode layer, an anode layer and an organic functional layer. The organic functional layer comprises the above quantum dot light-emitting layer.

The invention discloses high-conductivity graphene conducting resin and a preparation method thereof. The conducting resin comprises, by mass, 0.1-98% of graphene and 2-99.9% of a binding agent; the grapheme contains polarity functional groups, the polarity functional groups account for 0-30% of the quantity of the grapheme, the binding agent is a polymer or / and a polymer monomer, when the polymer is used as a binding agent, the conducting resin also contains a solvent, the conducting resin comprises, by mass, 1-90% of the solvent, and the sum of all quantity contents of components in the conducting resin is 100%. According to the conducting resin, the electrical conductivity is excellent, the heat radiation performance is good, the conducting resin has adjustable light transmission performance and good ductility and elasticity, the preparation method is simple, the industrialization is easy to achieve.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention relates to the field of high-throughput screening and particularly relates to an automatic micro-droplet array screening system using method with pico-liter-scale precision. The using method provided by the invention comprises the following steps of: firstly, using liquid with a low thermal expansion coefficient and filled in a liquid driving system and a capillary tube as carrier liquid, and entirely emptying bubbles inside the capillary tube; secondly, soaking a sampling end of the capillary tube in an oil phase sample immiscible with a water phase sample, extracting a section of oil phase sample into the capillary tube, so as to isolate the water phase sample and the carrier liquid; thirdly, soaking the sampling end of the capillary tube into a sample / reagent storage tube and extracting a certain volume of the water phase sample solution into the capillary tube; and finally, moving the sampling end of the capillary tube into the oil phase sample above micro-pores of a micro-porous array chip, and pushing the sample solution in the capillary tube into the micro-pores, so as to form sample droplets. With the adoption of the using method provided by the invention, the liquid is quantitatively measured, and the generated droplets have the pico-liter-scale volume precision, so that the consumption of the samples / reagents in the high-throughput screening can be effectively reduced, and the experiment cost can be saved.

The invention discloses medicinal sustained-release hydrogel as well as a preparation method and an application thereof. Monodisperse medicament-containing calcium alginate microspheres are prepared by adopting a high-pressure electrostatic sessile drop method, to realize direct encapsulation of growth factors and keep the activity of medicaments; and the medicament-carrying calcium alginate microspheres are put into the netlike structure of the hydrogel to realize sustained release of the medicaments. The matrix of the hydrogel contains carboxymethyl chitosan and polyvinyl alcohol, the volume ratio of the carboxymethyl chitosan solution to the polyvinyl alcohol solution is n: (6-n), 0<n<=4, and the release rate of the medicaments is controlled through different volume ratios.

The invention relates to a preparation method of a manganese Li-NiCoMn ternary material for a lithium ion battery. The chemical formula of the manganese Li-NiCoMn ternary material is LiNixMnyCo(1-x-y)O2, wherein x is equal to 0.1 to 0.5, y is equal to 0.1 to 0.6, and 1-x-y is more than or equal to 0. According to the manganese Li-NiCoMn ternary material for the lithium ion battery, prepared by the method, the volume ratio capacity of a final product is increased by improving the density of a NiCoMn ternary precursor material, the high-temperature performance of the Li-NiCoMn is improved through composite cladding, and the problems that the Li-NiCoMn is poor in high-temperature cycle performance and poor in storage performance can be solved. Advantages such as high compaction density, large specific volume, good cycle performance, stability in quality, low cost, simplicity in preparation process and easiness for realizing industrialization can be realized.

The invention relates to a complex antibacterial fiber, a fabric and a preparation method thereof, in particular to an irradiation grafting coordination group on the surface of the fiber and on the surface of the fabric, the complex antibacterial fiber loading antibacterial components Ag, Cu and Zn and the composition thereof, the fabric and the preparation method thereof. The method improves the mobility of the antibacterial components in a fiber surface liquid film, has favorable sterilization effect and antibacterial effect, is suitable for modification of organic polymer fibers and fabrics of various types and preparation of corresponding broad-spectrum antibacterial fibers and fabrics, does not generate negative influences on the hygroscopicity, the air permeability and the mechanical properties of the fibers and the fabrics, has simple preparation technology, and is convenient to realize industrialization and lower the production cost.

The invention discloses a super-hydrophobic paper and a production method thereof. The production method comprises the steps as follows: forming a modified nanometer silicon dioxide coating with the particle size of 50-100 nm on the surface of general paper with texts or pictures, wherein the water contact angle on the surface of the paper is more than 150 DEG and the rolling angle of a water drop on the surface of the paper is less than 10 DEG. The texts and the pictures on the surface of the super-hydrophobic paper are clear, so that the super-hydrophobic paper has a wide application prospect in the fields of self cleaning, water and moisture prevention, book magazine and the like. The production method is simple in process, low in cost, environment-friendly and easy for industrialization, and does not need complex chemical treatment and expensive instrument equipment.

The invention puts forwards a preparation method of a lithium ion battery porous silicon carbon composite negative material. The prepared porous silicon carbon composite material simultaneously has the characteristics of high capacity and excellent circulating stability. Micron silicon and nanometer aluminum powder are promoted to be compounded by utilizing a high-energy ball milling method, a porous silicon material can be formed through acid etching, and through a porous structure, the volume change of silicon in the discharging process is relieved to a great extent. Meanwhile, the stress generated by the volume change of the silicon can be effectively buffered through taking graphite as a dispersion matrix and in combination with a secondary surface amorphous carbon coating technology of the composite material, so that the circulating stability of the material is improved. The preparation method of the material has the advantages of simplicity, low cost and easiness in industrial production.

The invention provides marine biomaterial composite hydrogel dressing and a preparation method thereof and relates to the technical field of medical dressing. The hydrogel dressing is prepared from asodium alginate-fish collagen mixed solution and a chitosan-crosslinking agent mixed solution, wherein the sodium alginate-fish collagen mixed solution is prepared from sodium alginate, fish collagen,polyvinyl alcohol, sodium carboxymethyl cellulose, pectin, glycerin, propanediol and distilled water; the chitosan-crosslinking agent mixed solution is prepared from chitosan, a crosslinking agent, glacial acetic acid and distilled water. The invention also provides the preparation method of the dressing. The sodium alginate-fish collagen mixed solution is cultured at the constant temperature, the chitosan-crosslinking agent mixed solution is added, the mixture reacts, and the hydrogel dressing is obtained. The hydrogel dressing has excellent mechanical property, moisture retention and biocompatibility, accelerates wound repairing, can diminish inflammation and perform sterilization, has no wound inflammation reaction, effectively promotes wound healing, is easy to remove and does not stick to a wound surface.

The invention discloses an automatic speed changer. The automatic speed changer comprises a double-end-face tooth combined fluted disc and a two-level speed reduction fixed shaft wheel train. A gear shifting mechanism of the speed changer is the double-end-face tooth combined fluted disc and is provided with double-end-face teeth including the left end face teeth and the right end face teeth. The double-end-face tooth combined fluted disc axially moves on an output shaft of the speed changer, the left end face teeth and the right end face teeth of the double-end-face tooth combined fluted disc are engaged with end face teeth of a one-level speed reduction gear and a two-level speed reduction gear respectively, the two-gear position and the one-gear position are achieved, and when the left end face teeth and the right end face teeth of the double-end-face tooth combined fluted disc are not combined with the end face teeth of the one-level speed reduction gear and the two-level speed reduction gear, the speed changer is at a neutral position. According to the technical scheme, compared with a traditional AMT, a synchronizer is removed, the structure is simple, reliability is high, the gear shifting time is short, the gear shifting impact is small, the production cost is low, and industrialization is easy to achieve. The gear arrangement mode of the speed changer is simple, the axial size is short, the occupied space is small, the weight is low, and the automatic speed changer conforms to the development trend of light weight and energy saving.

The invention provides a solid-phase preparation method for buserelin. The method comprises the following steps of: 1) preparing a Fmoc-Pro-HMPB-MBHA resin with degree of substitution of between 0.15 and 0.80mmol / g from Fmoc-Pro-OH and a HMPB-MBHA resin with degree of substitution of between 0.2 and 0.9mmol / g by a solid-phase synthesis method; 2) gradually coupling remaining protected amino acid of the Fmoc-Pro-HMPB-MBHA resin according to a peptide sequence to obtain buserelin-HMPB-MBHA resin; 3) cracking the buserelin-HMPB-MBHA resin to obtain fully-protected peptide; and 4) performing ethyl amination, deprotection and purification on the obtained fully-protected peptide to obtain buserelin. The invention aims to provide a buserelin solid-phase synthesis method which has the advantages of high yield, low cost, mild reaction conditions, small environmental pollution and contribution to realizing industrialization.

The invention provides an artificial graphite composite negative electrode material for a lithium-ion battery and a preparation method of the artificial graphite composite negative electrode material. The material is a secondary particle complex of pure artificial graphite, and is prepared by the technologies of crushing, grading, spheroidizing, ion beam bombardment, mixing, high-temperature compounding, grading, graphitizing, screening, demagnetizing and the like, and the needle coke is taken as a raw material and the asphalt is taken as a binder. The compaction density of the composite negative electrode material prepared by the method can reach 1.80g / cc; the reversible capacity is higher than 355mAh / g; the first efficiency is about 94%; and the electrode expansion ratio after circulating 200 cycles is lower than 8%. The adopted technologies are traditional powder processing technologies or carbon technologies; and industrialization is easy to achieve.

The invention discloses an embedded fan-out type silicon pinboard applied to three-dimensional system-level packaging. The front side of a silicon substrate is provided with a concave cavity whose side wall has certain gradient, the reverse side is provided with a vertical interconnection structure extending to the bottom of the concave cavity, and the vertical interconnection structure includes a plurality of mutually independent conductive columns; the front side of the silicon substrate and the side wall and the bottom of the concave cavity are provided with first metal interconnection layers used for being connected with a microelectronic chip bonding pad placed in the concave cavity and manufacturing a front side leading-out end; and the reverse side of the silicon substrate is provided with a second metal interconnection layer to be used for manufacturing a reverse side leading-out end, the first metal interconnection layers and the second metal interconnection layer are insulated from the silicon substrate, and the conductive columns are electrically connected with the first metal interconnection layers and the second metal interconnection layer. The invention also discloses a manufacturing method of the embedded fan-out type silicon pinboard and application to packaging, by use of the concave cavity combined with the vertical interconnection structure, application to three-dimensional system packaging is further realized on the basis of meeting requirements of high density, small size and low cost, thereby improving product performance.

The invention relates to a nitrogen-doped carbon-coated manganese monoxide composite material with a one-dimensional porous core-shell structure and a preparation method of the nitrogen-doped carbon-coated manganese monoxide composite material. The composite material is doped with nitrogen, is in a one-dimensional porous carbon-coated manganese monoxide core-shell structure; manganese monoxide is in a nano rodlike structure; and an outer layer of a manganese monoxide nanorod is coated with an amorphous carbon layer. The nitrogen-doped carbon-coated manganese monoxide composite material is obtained by an in-situ polymer coating method accompanied by burning. The preparation method of the composite material is simple and novel, and high in adjustability; and meanwhile, nitrogen-doped carbon can store lithium ions. Due to the ingenious design, the specific capacity of the composite material exceeds the theoretical specific capacity of the manganese monoxide; furthermore, according to the composite material, the problems of low capacity and fast attenuation caused by poor conductivity and high volumetric strain of a pure manganese monoxide material are solved; and the composite material has excellent electrochemical properties, cycle lifetime and structural stability.

A process for extracting copper from copper oxide ore includes such steps as immersing in ammonia water in ordinary temp and ordinary pressure condition, extracting electrodeposition, and floatation. Its advantages are low consumption of energy and low cost. It is especially suitable for the low-grade copper oxide ore with high content of Ca and Mg.

The invention discloses a high-nickel material coated with aluminum and lithium silicate on the surface and doped with fluorine on a surface layer. The high-nickel material comprises an aluminum and lithium silicate coating layer and a high-nickel ternary material central layer, wherein the thickness of the coating layer is 1-200 nm, and the coating layer is doped with a fluorine element. In addition, the invention discloses a preparation method of the high-nickel material. The preparation method comprises the steps of mixing, drying and screening, lithium-adding sintering and fluorine-addingthermal treatment. The aluminum and lithium silicate fast-ion conductor material coating layer has good lithium-ion conducting performance, doped fluorine ions replace oxygen in the coating layer or the high-nickel material, accordingly the electronic conductivity of the material is improved, finally the surface of the high-nickel material has better lithium-ion and electronic conductivity properties, and playing of the rate capability of an anode material for lithium ion batteries is facilitated. The preparation method of the high-nickel material is low in cost, the process is simple, and industrialization is easy to achieve.

A process for preparing the doped TiO2 catalyst by low-temp sol-gel combustion includes such steps as providing TiCl4 as Ti source, preparing its sol, dewatering by evaporating and low-temp burning. It has high photocatalytic activity under irradiation of the light (600 nm or less in wavelength).

The invention discloses a manufacturing method for the solar energy cell with double-layer perovskite film structure, and the method comprises the following steps: 1) selecting a conductive substrate; etching patterns on the conductive substrate and obtaining the etched conductive substrate; 2) preparing an electron transport layer or a hole transport layer; (3) preparing a film with a double-layer perovskite structure; 4) preparing a hole transport layer or an electron transport layer; and 5) hotly plating a gold or silver electrode on the hole transport layer or the electron transport layer to obtain an n-I-P-type or p-I-N-type solar cell with the double-layer perovskite thin film structure. The invention further discloses a solar energy cell manufactured and obtained from the above method. The manufacturing method is environmentally friendly, can change the morphology, the crystallinity and the interface of the perovskite film and increases the photoelectric performance of a device.

The invention provides a normal-paraffin isomerization catalyst, a preparation method and application of the normal-paraffin isomerization catalyst, and relates to the technical field of the paraffin-isomerization catalyst, and is used for solving the problems of low activity, poor stability and low conversion rate in the existing isomerization catalyst. The normal-paraffin isomerization catalyst comprises the following components in percentage by mass: 0.1-1.0% of metal component Pt and 2.0-5.0% of halogen Cl and the balance of carrier gamma-Al2O3. The normal-paraffin isomerization catalyst provided by the invention is prepared by dipping, reduction, inorganic chlorination and organic chlorination; the metal elementary substance Pt is loaded on the multi-porous carrier gamma-Al2O3, and after chlorination treatment, the Pt-Al2O3-Cl normal-paraffin low-temperature isomerization catalyst is formed; and the normal-paraffin isomerization catalyst has the advantages of high liquid absorption, high isomerization rate, high reaction activity and good stability.

The invention provides an alternating current driven quantum dot light emitting diode. The alternating current driven quantum dot light emitting diode comprises a substrate, a bottom electrode, a quantum dot light emitting layer and a top electrode, and also comprises a first ion liquid layer arranged between the top electrode and the quantum dot light emitting layer; the first ion liquid layer is prepared from a first ion liquid which only includes negative ions and positive ions; the first ion liquid is in a liquid state at a temperature range of minus 10 to 200 DEG C; and under the alternating current driving, the first ion liquid layer forms an interface double electrode layer on the interface between the quantum dot light emitting layer and the top electrode.

The invention belongs to the field of chemical industry and relates to a method for preparing chemical-grade high-purity aluminum oxide from fly ash. The method comprises the steps of dissolving with acid, carrying out controlled filtering, carrying out deep iron removal, concentrating for crystallizing, roasting at low temperature, dissolving with alkali, carrying out deep filtering, removing calcium and magnesium with resin, decomposing seed crystals, carrying out hydrothermal synthesis to remove sodium, atomizing to produce powder, and the like. The method disclosed by the invention has the advantages that the energy consumption is low, the raw materials are reused, the loss is little, the production cost is low, the technical conditions of a process are broad, the industrialization is easy to realize, and the like.

The invention discloses a naked-eye 3D display device and a method for realizing naked-eye 3D display. The naked-eye 3D display device comprises a light source arranged below a view window generation device and the view window generation device. The view window generation device comprises a phase information modulation device used for phase modulation, and a view angle image information modulation device used for amplitude modulation, wherein pixels of a view angle image generated by the view angle image information modulation device are matched and aligned with viewpoint pixels generated by the phase information modulation device. By the utilization of a holographic imaging and wavefront conversion principle, the phase information modulation device is ingeniously utilized for phase modulation, the view angle image information modulation device is simultaneously used for amplitude modulation, and the pixels of the view angle image generated by the view angle image information modulation device are matched and aligned with the viewpoint pixels generated by the phase information modulation device. Namely, the assembling with the phase modulation function is combined with the display technology with the amplitude modulation function, so that naked-eye 3D display is realized, and 3D image information is presented.

The invention relates to the technical field of electronic packaging and discloses a metal heat-conducting substrate and a manufacturing method thereof. An insulating medium slurry layer is printed on a metal substrate and molten by a laser ablation method to form an insulating medium layer, and a metal circuit slurry layer is printed on the insulating medium layer and molten by the laser ablation method to form a metal circuit layer, so that a well-insulated radiating passage is provided. The laser melting method has the advantages of achieving extremely high pattern accuracy, contributing to product miniaturization and precision, simplifying the technology of a manufacturing process, preventing pollution, saving materials, lowering cost and achieving good radiating effect.

The invention is applicable to the field of flexible sensors and provides a conductive rubber material for a flexible sensor and a preparation method and application of the conductive rubber material. The conductive rubber material comprises, by weight, 100 parts of rubber base bodies and conductive filler, wherein the conductive filler comprises, by weight, 5-50 parts of conductive black and / or 20-100 parts of silver-containing conductive filler bodies; the conductive rubber material is made in the mode that the conductive filler is dispersed in the rubber material, and radiation crosslinking is conducted through electron beams or gamma rays.

The present invention discloses a delayed closing system of an intake valve of a double-mode slide valve engine. The delayed closing system comprises a base, a hydraulic tappet assembly and an oil supply system; wherein, the hydraulic tappet assembly can slide up and down along the base; the top of the hydraulic tappet assembly is connected with a valve rocker; the lower end of the hydraulic tappet assembly is connected with an engine camshaft; the oil supply system supplies oil to the hydraulic tappet assembly; an oil-feeding assembly hole and oil-discharging assembly holes are formed on the hydraulic tappet assembly; an oil-feeding hole, one end of which is communicated with the oil supply system and the other end of which is communicated with the oil-feeding assembly hole of the hydraulic tappet assembly, is formed on the base; and oil-discharging holes, which are correspondingly communicated with the oil-discharging assembly holes of the hydraulic tappet assembly, are formed on the base as well. The delayed closing system, which has the advantages of few parts, simple structure, safe and reliable operation and low cost, can realize the mutually independent adjustment of the intake and exhaust of cylinders in order to exert the flexibility of intake phase adjustment to the max and optimize the performance of the engine, the operation process is controlled by a mechanic slide valve mode, the service lives of the elements are long, and the industrialization of the technique can be easily realized.

The invention relates to a method for cultivating saussurea involucrate cell, wherein it comprises that using MS basic culture medium wit some NNA (fruitone), 6-BA (6-aminopurine) as the culture medium of callus; inducing the seed of saussurea involucrate into plant; using said plant as expalnt to be differented at special condition, to induce callus; subculturing the callus periodically, to increase the callus; using part of callus to function the seed and collecting the left to be dried as the saussurea involucrate culture; collecting said culture to be dried as the cell culture. The invention can improve the content of effective components.