32results about How to "Easy to scale production" patented technology

The invention provides a preparation method for aramid fiber far infrared emission paper. In the preparation method, para-aramid chopped fibers and para-aramid pulp fibers are used as a paper base function material, the paper base function material has the excellent characteristics of high specific strength and large specific stiffness; and the para-aramid chopped fibers and the para-aramid pulp fibers can form a paper-like object (an aramid fiber layer) with a grid structure, the grid structure of the paper-like object is filled with carbon nano tubes, and the carbon nano tubes can be tightlycombined with the aramid fiber layer through hot press molding, so the obtained aramid fiber far infrared emission paper has the better molding quality and compounding performance. A result of an embodiment shows that a far infrared emissivity of the aramid fiber far infrared emission paper provided by the method reaches 90%, the aramid fiber far infrared emission paper can bear 300 g of a weightand cannot be crushed.

The invention discloses a three-dimensional graphite aerogel sulfur-carrying composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: forming an aerogel precursor from sulfur and oxidized graphene, and performing reduction by using hydrazine hydrate, thereby obtaining a graphene wrapped sulfur- composite material of three-dimensional network structures of which the interiors are communicated with one another. Compared with the prior art, the composite material disclosed by the invention can be used as an anode material of a lithium-sulfur battery, and has preponderant circulation stability and high rate capability.

The invention relates to a novel electrode material, in particular to a preparation method and application of a Reticulated nitrogen doped carbon coated manganese dioxide modified carbon cloth electrode material. The electrode takes a carbon cloth as a base, Then MnO2 nanowires were grown on the surface of carbon cloth by three-electrode system electrodeposition, and polypyrrole was electrodeposited on the surface of MnO2 nanowires by three-electrode system electrodeposition. Finally, the carbon cloth electrode was carbonized at high temperature to obtain the carbon cloth electrode modified bynitrogen-doped carbon-coated manganese dioxide. The carbon cloth electrode can be used as an anode material of a microbial fuel cell of a cellulose hydrolysate.

The invention discloses a method for preparing electrochromic fibers without additional electrodes by a coaxial microfluid spinning method, and belongs to the technical field of fine chemical engineering and material science. The electrochromic liquid crystal fiber taking a black conductive polymer as an inner conductive layer, a transparent metal nanowire layer as an outer conductive layer and polymer dispersed cholesteric liquid crystal as an electrochromic layer is prepared by adopting the coaxial microflow spinning method, wherein the mass ratio of the metal nanowire layer to the black conductive layer to the cholesteric liquid crystal layer is (5-30): 100: (5-30). The electrochromic liquid crystal fiber prepared by the method disclosed by the invention can change color reversibly under the stimulation of an electric field, can realize a continuous stable state of a certain color changing state under the condition of power failure, not only is bright and variable in colors and lowin driving voltage which is lower than 23.9 V (lower than 36V of safe voltage of a human body), but also has high solvent resistance and water resistance.

The invention relates to a pasteurella multocida acellular antigen, which is derived from deactivated supernate of pasteurella multocida culture medium, wherein the supernate contains polysaccharide and protein. The invention further provides a pasteurella multocida indirect hemagglutination test method, which is built on the basis of the antigen and has a very good specificity and sensitivity. The invention also provides a vaccine containing the antigen. The provided pasteurella multocida acellular antigen vaccine has the same immunity effect as that of whole cell vaccine, and has the advantages of no affection on animal growth, and little side effect on the vaccine injected part.

The invention relates to a method for preparing a nanometer silicon dioxide material at normal temperature. The method comprises the following steps of dissolving sodium metasilicate and sodium chloride into deionized water to obtain a sodium silicate mother liquor; and dropwise adding an acid mother liquor into the sodium silicate mother liquor under the conditions of insulating heat at 25-35 DEG C and stirring, insulating heat at 25-35 DEG C till the pH value is 5.0-7.0, stirring for reacting for 6-10 hours, then separating, washing and drying to obtain the nanometer silicon dioxide material. The method is used for preparing the nanometer silicon dioxide material at normal temperature, and has the characteristics of being simple to operate, easy for large-scale production, and low in cost. The prepared nanometer silicon dioxide particle is a mesoporous material, has small grain size, large specific surface area and pore volume, and has a good application prospect. The method can be used for processing waste sodium metasilicate into the nanometer silicon dioxide material, thus being capable of turning waste into wealth, and reducing resource waste.

A catalyst for hydrolyzing boron hydride to prepare H2 has a chemical formula Mgp-xAxNi1-yDy, where A is chosen from Al, Mn, Sn, Ca, Li, B, La and RE mixture, D is chosen from Cu, Ti, Co, Fe, Zr and V, p=1.5-2.5, x=0-1.5 and y=0-0.5. Its preparing process is also disclosed.

The invention discloses quinazolinone compounds with the specific structural formula shown in the specification, wherein R1 is an aryl group or a substitute aryl group; R2 is fluorine, chlorine, methyl or a methoxy group. Alcohol and o-nitrophenyl formonitrile compounds are taken as reaction raw materials and are heated and stirred in a solvent under the recyclable Au/TiO2 catalytic action, and the quinazolinone compounds can be prepared. With the adoption of the method, no oxidizing agent, reducing agent, ligand and alkaline additive are required, the reaction condition is mild, and mass production is easy to realize. Experimental results indicate that the yield of the obtained quinazolinone compounds can be as high as 90%.

The invention relates to a method for enriching resveratrol in a secondary fermentation process of wine. The method comprises: performing extraction and purification on gape seed peel or peanut plants (the best is root and the better is stem) to obtain polydatin with the content larger than 95%, adding into wine liquid, and also adding white sugar, yeast and/or lactic acid bacteria and the like (if the wine liquid is at a later fermentation stage, lactic acid bacteria needs adding for fermentation) to performing secondary fermentation. Polydatin finishes conversion and generates resveratrol during the fermentation process and resveratrol is enriched in the wine liquid, and thus the content of resveratrol in the wine liquid is improved. The method is applicable to large-scale production. The method for using fermentation process to enrich resveratrol can be realized at various wine brewing stages just by adding raw materials needed by fermentation.

The invention relates to a method for removing impurity phosphorous in silicon, belonging to the technical field of silicon product deep processing. The method comprises the following steps of: adding a silicon calcium alloy into industrial silicon melt which is subjected to external refining to obtain special component silicon melt and pouring the special component silicon melt after the external refining is finished; condensing the poured special component silicon melt to room temperature through controllable grade condensation to finally obtain a special component silicon product; treating the special component silicon product through finishing, crushing, ball milling, sieving and magnetic separation processes to obtain special component silicon product powder; adding the special component silicon product powder into an acidic solution for acid leaching to finally obtain a low-phosphorus silicon product. The method has the advantages of safety in operation, easiness in control, high impurity phosphorus removal efficiency, capability of being combined with the conventional industrial silicon production process, low production cost, easiness in implementation of batch production and the like.

The invention discloses a universal supporting and fixing device for ball type parts. The universal supporting and fixing device comprises a base, a press block, lower supporting pieces, an upper supporting piece, a connecting piece and a press rod. At least three strip-shaped devices are arranged on the upper surface of the base. The central axes of the strip-shaped devices intersect at a circle center and the strip-shaped devices are evenly distributed around the circle center. The number of the lower supporting pieces is the same as that of the strip-shaped devices. The lower ends of the lower supporting pieces are correspondingly mounted on the strip-shaped devices. The upper supporting piece comprises a vertical rod and a transverse rod. The lower end of the vertical rod is mounted at a position, close to the edge, of the base. The transverse rod is connected with the upper end of the vertical rod. The connecting piece is mounted on the transverse rod and can be horizontally moved and fixed. The vertical press rod is mounted on the connecting piece and can be vertically moved and fixed. The press block is mounted at the lower end of the press rod. The universal supporting and fixing device can be applicable to supporting and fixing of the ball type parts with different horizontal sizes and vertical heights, thereby being high in adaptability and practicability; standardized design can be applied to each component, and thus, cost is remarkably reduced.

The invention discloses a preparation method of a microbial agent for repairing cadmium-contaminated soil. The method comprises the following steps: mixing NaOH, urea and water to obtain a mixed solution according to a mass ratio of (3-7):(3-5):(80-100), adding 10%-20% by mass of cellulose, performing storing for 6-12 hours at the temperature of 0-5 DEG C to obtain a cellulose solution, adding 5%-10% of CaCO3, and performing ultrasonic treatment to obtain a porous cellulose pellet mixed solution; adding nutrient substances into the mixed solution to obtain a cellulose-based carrier; and mixing100 parts by weight of the cellulose-based carrier with 8-12 parts by weight of bacillus, adding a culture solution, performing uniform stirring to obtain a mixed solution, and feeding the mixed solution into an incubator for aeration culture so as to obtain the microbial agent. The microbial agent prepared by the invention can repair the heavy metal Cd (II) in a targeted manner, and is wide in raw material source, low in price, environmentally friendly, simple in preparation method, low in equipment requirement and convenient for large-scale production.

The invention provides a preparation method of a titanium oxide film and a titanium oxide film. The preparation method comprises the following steps: 1) preparation of titanium oxide precursor; and 2) film coating and after-treatment. The preparation method is simple in preparation technique and can implement large-scale production.

A microwave-assisted natural volcanic scoria-sodium alginate composite microsphere water purification material belongs to the technical field of environmental engineering, and is prepared by adding natural volcanic scoriae into a sodium alginate solution, stirring, adding a CaCl2 solution, performing a crosslinking reaction to obtain a volcanic scoria-sodium alginate composite microsphere, and finally performing microwave processing in a microwave reaction chamber. The prepared purification material of the invention can be used as an adsorbent for water purification.

The invention provides a pseudorabies inactivated vaccine and a preparation method thereof. Pseudorabies viruses are used for inoculating BHK cells; cell suspension culture is performed in a bioreactor; a virus solution is harvested; after inactivation by formaldehyde, tween-80 is added for making a water phase; then, the water phase is mixed with an oil adjuvant or a water adjuvant and is prepared into the pseudorabies inactivated vaccine through emulsification. The BHK cell line is used for producing the pseudorabies virus (Bartha-K61 strains) inactivated vaccine for the first time; the effective measures are provided for the pseudorabies prevention and control. The pseudorabies inactivated vaccine has the advantages that the BHK cell suspension culture protection mode is used; no exogenous factor pollution is realized; the scaled production is easy; the virus antigen stability can be well maintained, and the like. The vaccine research and development period and the production period can be shortened; the vaccine support emergency capability in the sudden epidemics can be realized.

The invention relates to the field of equipment installation, in particular to a seat tray pin riveting machine. Pin riveting of a seat tray is difficult to realize by machinery due to the fact that a pin needs to be accurately aligned when being mounted in a mounting hole. The problem that pins are accurately fed and difficult to place in the mounting automation process hinders the automation process of the industry. In order to solve the problem, the invention provides a seat tray pin riveting machine which comprises a rack, and a feeding mechanism, a mounting mechanism and a conveying mechanism which are arranged on the rack. A station frame is arranged on the rack beside the conveying direction of the conveying mechanism. The mounting mechanism comprises a guide assembly and a press-fitting assembly, the guide assembly and the press-fitting assembly respectively comprise a guide shaft and a press-fitting shaft, and the guide shaft and the press-fitting shaft are respectively arranged on the two sides of the station frame and are oppositely arranged in the axial direction. The output end of the feeding mechanism can move to the stamping path, facing the station frame, of the press-fitting shaft. When the press-fitting shaft axially presses the pin, the end part of the guide shaft can be in butt joint with the tail end of the pin and guide the press-fitting direction of the pin.

The invention provides a nitrogen-oxygen sensor ceramic core. The nitrogen-oxygen sensor ceramic core is characterized in that a heating electrode is arranged on an upper surface of a first substrate,and the heating electrode is wrapped in a heating electrode insulating layer; an upper surface of a second substrate is provided with a reference electrode and a pressure relief hole, a third substrate is provided with a reference gas channel, and an upper surface of the third substrate is sequentially provided with a lower pump electrode of a first-stage pump electrode, a lower pump electrode ofa second-stage pump electrode and a measuring electrode; five cavities are sequentially formed on a fourth substrate, barrier layers are arranged among the cavities, upper pump electrodes of the first-stage pump electrode and the second-stage pump electrode are sequentially arranged on a lower surface of a fifth substrate, and a common electrode is arranged on an upper surface of the fifth substrate; an upper pump electrode and a lower pump electrode of the first-stage pump electrode of a third cavity are connected through a semi-through hole of the fourth substrate to form the first-stage pump electrode; an upper pump electrode and a lower pump electrode of the second-stage pump electrode of a fourth cavity are connected through a semi-through hole of the fourth substrate to form the second-stage pump electrode. The nitrogen-oxygen sensor ceramic core is advantaged in that measurement electrode pollution caused by volatilization of precious metal gold in the second-stage pump electrode is avoided, measurement precision is high, and the sensitivity is good.

The present invention relates to iron base composite MoS2 plating solution for bath plating and its preparation process. The composite plating solution consists of FeCl2 360-440 g/L, MoS2 9-11 g/L, OP emulsifier 0.9-1.1 g/L and polyglycol 1.35-1.65 g/L, and has pH value of 1.0-2.0. The preparation process includes the technological steps of: dissolving MoS2 grain in absolute ethanol, adding polyoxyethylene alkylphenol ether as non-ionic surfactant and polyglycol while intense stirring, setting the compounded solution inside non-woven fabric bag and setting the bag inside FeCl2 solution. After the plating solution is used for some period, the bag is eliminated for mixing MoS2 grain solution and FeCl2 solution completely. The present invention has stable iron solution and homogeneously dispersed MoS2, and the plating solution may be used in forming excellent coating.

The invention discloses a production method of a gold stamping film. The production method comprises the following steps that a substrate layer is coated with a release layer, the release layer is coated with a color printing layer, the color printing layer is coated with a mould pressing layer, and electroplating is carried out on the mould pressing layer to form an electroplated layer. A process of manufacturing the mould pressing layer comprises the following steps that a holographic embossment laser mould pressing plate is manufactured, graphic and text information is engraved on a nickel plate by using a laser holographic engraving technology, and the surface of the nickel plate is processed to manufacture a mould pressing metal plate; and positioning and mould pressing are carried out, an embossment laser transparent film is manufactured, and the set register precision is kept according to the used plate cylinder number. Color printing, the platinum embossment technology and the gold stamping technology are combined, the personalized 3D platinum embossment effect of container packaging is achieved through technological treatment of printing, mold pressing and electroplating, continuous printing and hot stamping are achieved, and large-scale production is facilitated. The method can be widely applied to the technical field of product packaging.

The invention provides a universal method for enhancing the stability of an MXene aqueous solution, and belongs to the field of materials. An inorganic salt which is cheap and easy to obtain is used for synchronously reducing the proportion of free water molecules and the concentration of dissolved oxygen in water, the stability of MXene in an aqueous solution is improved, and the storage time of the MXene aqueous solution is remarkably prolonged. A used inorganic salt protective agent can be efficiently recovered through a simple and feasible evaporative crystallization method. According to the method provided by the invention, the MXene aqueous solution can be stably stored for 400 days at most, and the basic problems troubling production and processing, long-term storage and transportation and practical application of MXene are solved. The synthesis method is green, environment-friendly, low in energy consumption and easy to control, has universality and can be used for large-scale production.

The invention discloses an aquatic plant cultivation device for aquatic water quality regulation. The device comprises a floating body, an isolation frame, a seedling raising tray bracket and a seedling raising tray, the isolation frame sleeves the floating body, the seedling raising tray bracket is sleeved in the isolation frame, the floating body and the isolation frame which are sleeved are fixed through a connecting piece with a rope penetrating ring, the seedling raising tray bracket is connected to the isolation frame through an expansion buckle, and the seedling raising tray is arrangedon the seedling raising tray bracket. The device is high in operability; the device is convenient to large-scale production; the device is convenient to movement at any time; the device is suitable for cultivating various aquatic plants; the cultivation density of the aquatic plants can be adjusted as required, so that seedling raising trays and seedling raising tray brackets of different specifications are selected; the water quality regulation and purification capability is high; fishes or other aquatic animals in the water body can be effectively prevented from ingesting and damaging the aquatic plants and root systems of the aquatic plants; and sufficient development space is provided for the root systems of the aquatic plants, and eutrophication substances in the water body can be conveniently and fully absorbed.

The invention provides a fireproof door core material. The fireproof door core material is at least prepared from the following components: 10 to 15 parts of light calcined magnesium powder, 10 to 15parts of aluminum hydroxide, 10 to 20 parts of fireproof ceramic, 30 to 50 parts of an expansion type flame-retarding material containing silicon nitrogen phosphorus, 10 to 15 parts of attapulgite, 3to 8 parts of tricresyl phosphate, 5 to 10 parts of carboxymethyl cellulose, 1 to 2 parts of a dispersant, 1.5 to 2 parts of a de-foaming agent, 30 to 50 parts of solvent oil and 5 to 15 parts of dimethicone. The invention further provides a preparation method of the fireproof door core material. The fireproof door core material has the advantages of simple preparation technology, can be easily produced in a large scale and has a good flame-retarding effect.

The invention discloses an intelligent color-changing liquid crystal fabric and a preparation method and application thereof, and belongs to the technical field of fine chemical engineering and material science. The intelligent color-changing liquid crystal fabric which takes a two-dimensional Mxene material as a photoelectric-thermal multi-stimulus layer and a cholesteric liquid crystal microcapsule coating as a thermochromic layer is prepared by adopting a static layer-by-layer self-assembly and screen printing coating method. The intelligent color-changing liquid crystal fabric prepared by the method can reversibly change color under the stimulation of an electric field, infrared light and temperature, is bright and changeable in color and sensitive in response, and has good solvent resistance and water resistance.

The invention discloses boron sol and a preparation method thereof. Industrial boron powder is adopted as a raw material, and a dispersion medium is one or a mixed solution of more of deionized water,ethanol, isopropanol and the like. The preparation process comprises the following steps: firstly, adding industrial boron powder into the dispersion medium according to a certain proportion, then fully stirring and ball-milling, stripping out nano boron particles by an ultrasonic method, and finally, preparing a nano boron dispersion liquid by a centrifugal method, so that the nano boron particles can be uniformly and stably dispersed into the solution to prepare a boron sol solution. The boron sol solution can be kept in a uniform and stable state for a long time, and no precipitation, layering or failure phenomenon is generated.

The invention provides a manual-power-generation sterilizing drinking water container, comprising a container body used for storing water. The manual-power-generation sterilizing drinking water container is characterized by further comprising a rotary disc, a sterilization module, a temperature measurement module, a power generation module, a power storage module, a gear set and an electric control module, wherein the rotary disc is rotatably arranged at the bottom of the container body and provided with an inner gear ring; the gear set is rotatably arranged on the outer side of the container body; one end of the gear set is meshed with the inner gear ring of the rotary disc; and the power output end of the gear set is connected with the power generation module. The invention further discloses a control method of the manual-power-generation sterilizing drinking water container. According to the invention, the manual power generation module is integrated to the bottom of the container body, so an external power source is not needed for charging or the container does not need to work with a power line; and no exposed interface such as a plug-in port exists, charging can be conducted anytime and anywhere, and thus, safety, reliability, energy conservation and environmental protection are achieved.

The invention belongs to the technical field of high-temperature gas filtering equipment, and relates to a modular high-temperature gas filter. The filter comprises a filter shell, a plurality of filter modules sealed in the filter shell, a back-flushing cleaning system and a partition plate, the plurality of filter modules are connected in series in the vertical direction in the filter shell to form filter units, the plurality of filter units are arranged in parallel, and the tops of the filter units are fixedly connected to the partition plate. Each filter module of the modular high-temperature gas filter is provided with a plurality of filtering elements, so that the modular high-temperature gas filter is large in filtering area and high in efficiency, achieves miniaturization and standardization of equipment, reduces occupied area, is easy for large-scale production, is convenient to mount and maintain, can be assembled according to actual production requirements, reduces equipment cost, and is wide in application range. Due to the unique design that the pipelines and the filter module structures of the back-flushing cleaning system are skillfully inserted, the space utilization rate and functions are maximized, and the filter is compact in overall structure, small in overall thermal stress, good in structural strength and long in service life.

The invention discloses a preparation method of 7-bromine-1-chloronaphthalene, which comprises the following steps of by taking 7-bromine-3, 4-dihydronaphthalene-1 (2H)-ketone as a raw material, mixing the 7-bromine-3, 4-dihydronaphthalene-1 (2H)-ketone, a phosphorus reagent and carbon tetrachloride, and carrying out chlorination reaction to generate 6-bromine-4-chloro-1, 2-dihydronaphthalene, and carrying out aromatization reaction on 6-bromine-4-chloro-1, 2-dihydronaphthalene under the action of an oxidizing agent to generate 7-bromine-1-chloronaphthalene. Compared with a synthesis mode in the prior art, the reaction route has the advantages that the steps are shorter, the adopted reagent is safer and is easy to process, large-scale production is easy to carry out, and the yield is better.

The invention discloses a paeoniflorin molecularly imprinted polymer as well as preparation and application thereof. The polymer is prepared by the following steps: taking silica gel, dispersing the taken silica gel into anhydrous ethanol, adding a crosslinking agent, a functional monomer and phenyltrimethoxysilane, performing shaking at room temperature for 30 min, adding a paeoniflorin ethanol solution, redistilled water and concentrated HCl, performing a reaction at room temperature for 4 h, performing filtration, washing the filter cake by using absolute ethanol, performing drying, performing washing by using methanol-acetic acid with a volume ratio of methanol to acetic acid of 9:1 until a washing liquid has no ultraviolet absorption at 230 nm, performing washing by using methanol toremove residual acetic acid, and finally performing drying to a constant weight to obtain the paeoniflorin molecularly imprinted polymer. The method provided by the invention adopts a sol-gel processto prepare the paeoniflorin molecularly imprinted polymer with double functional monomers, can well enrich paeoniflorin from a paeonia lactiflora flower extraction liquid and remove other impurities in the paeonia lactiflora flower extraction liquid, wherein the enrichment rate can be up to 90%.

The invention relates to the field of food processing, in particular to a Guanghan (traditional Chinese cake) cake and a preparation method thereof. The Guanghan cake is prepared from the following raw materials in parts by weight of 32-48 parts of glutinous rice flour; 32-48 parts of polished round-grained rice flour; 10-15 parts of licorice tablets; 230 to 270 parts of water; 12-20 parts of white granulated sugar; 20 to 28 parts of pure milk; and 40-60 dried sweet osmanthus flowers. By optimizing the formula and the manufacturing process, the manufacturing method is clearer, large-scale production is facilitated, and the product quality is more stable; and through twice sieving, the grain size distribution of the glutinous rice flour and the polished round-grained rice flour is more uniform, so that the texture and taste of the product are improved.

The invention provides a carbon-silicon composite and a preparation method and system thereof. The preparation method of the carbon-silicon composite comprises the steps that graphite carbon with the purity being 99.9% is selected and made into a graphite carbon plate through calcination static-pressing technique; silicon dioxide powder meeting the particle size requirement is selected and made into a silicon dioxide plate; the graphite carbon plate and the silicon dioxide plate are placed in an electrolytic reaction tank, a pulse ion magnetic field stirring device is started, and pulse direct current is guided into the electrolytic reaction tank after purified water is added into the electrolytic reaction tank; and the reaction is stopped 10-12 days later after the pH value in the electrolytic reaction tank reaches 2.5. The preparation system at least comprises the electrolytic reaction tank, the graphite carbon plate, the silicon dioxide plate and the pulse ion magnetic field stirring device. The carbon-silicon composite is mainly prepared from graphite carbon, silicon dioxide and purified water. The preparation method has the advantages that operation is easy and convenient, the production cost is low, and large-scale production can be achieved easily. The preparation system has extremely high production practicability and is extremely economical.