112results about How to "Capable of mass production" patented technology

The invention relates to a method for preparing porous foam aluminum sheet. Wherein, it selects aluminum alloy to be heated via smelting furnace at constant temperature; selects food particle salt as foam porous stuff to be baked at high temperature and constant temperature; adds heated particle salt into mould, to be pressurized by compressor into block; adds melt aluminum to be pressurized by compressor, to make the melt aluminum into the space between particle salts, to form compact foam aluminum skeleton; then solidifies it to be extracted out from the mould to be cooled. The produced porous foam aluminum plate has uniform factor of porosity, with high porous rate, stable structure, adjustable thickness, improved quality, reduced producing cost and the application for batch production.

The invention discloses an aroma-increasing cigarette column applicable to a low-temperature cigarette. The aroma-increasing cigarette column comprises the following components in parts by weight: 100 parts of tobacco particles, 0.05 to 2.0 parts of tobacco essence, 1 to 15 parts of a heat conducting component, 1 to 20 parts of a binding agent, and 1 to 20 parts of an aromatic plant, wherein the aromatic plant is selected from one or more of a flowery aromatic plant, a spicy aromatic plant and a medicinal aromatic plant. The aroma-increasing cigarette column applicable to the low-temperature cigarette provided by the invention is in an integrally cylindrical shape or a disc shape; the size is slightly smaller than that of a tobacco material filling cavity of an existing low-temperature cigarette smoking tool, so that a tobacco material is easy to add and easy to remove; a large number of pores are formed in the aroma-increasing cigarette column, so that a cigarette is easy to smoke; meanwhile, the heating area and the heating uniformity of a smoking material can be improved; smoke is formed quickly under a relatively low temperature; the cigarette column contains the heat conducting component, so that heat conducting in the cigarette column can be accelerated greatly, and the heating uniformity is favourably improved and the smoke is formed quickly.

The invention discloses a porous three-element compound positive plate. The porous three-element compound positive plate is characterized by being prepared from the following materials of a three-element main material, a conducting agent, a binding agent, a fast ionic conductor, lithium salt and a pore forming agent. According to mass fraction of all the materials, the three-element main materialis 80 to 90 parts, the conducting agent is 1 to 5 parts, the binding agent is 2 to 5 parts, the fast ionic conductor is 2 to 15 parts, the lithium salt is 3 to 10 parts, and the pore forming agent is2 to 5 parts. The porous three-element compound positive plate has the advantages that in the porous three-element compound positive plate disclosed by the invention, solid electrolyte is poured intoa pole plate, so that electrode / electrolyte interface compatibility is improved, ion transmission capacity in the pole plate is enhanced, and whole electrochemical performance of a cell is improved. The porous three-element compound plate disclosed by the invention can be applied to the field of solid cells and has large-scale batch production possibility.

The present invention provides a preparation method of a glass surface with a partial frosted area. The glass surface comprises a frosted area and a non-frosted area, wherein the dividing line between the frosted area and the non-frosted area is a straight line. The preparation method comprises: carrying out screen printing of protection ink, wherein the non-sand area is subjected to two-layer acid-resistant ink overlapping screen printing, and the total thickness of the two layers of the acid-resistant ink is 8-20 [mu]m; sandblasting, wherein the frosted area of the glass is sandblasted by using a sandblasting machine with 4-16 spraying nozzles, the glass is pushed to move forwardly along with a conveying belt during the sandblasting, and the sand is angular alumina and / or silicon carbide; and carrying out acid washing, and carrying out fade plating of the protection ink. According to the present invention, the screen printing of the ink protection is set before the sandblasting, and the specific operation modes and the parameters of the sandblasting and the acid washing are controlled, such that the step position deviation of the glass surface with the partial frosted area is less than 20 [mu]m, and the linearity of the sandblasting dividing line is less than 30 [mu]m.

A method for preparing polyester through using 10-hendecenoic acid and vanillic acid is characterized in that bulk polymerization is realized with vegetable oil based unsaturated fatty acid and vanillic acid as raw materials and n-butyl titanate as a catalyst under high-temperature high-vacuum conditions, and comprises the following steps: 1, preparing 11-(3-hydroxypropylmercapto)-undecenyl-1-ol from 10-hendecenoic acid; 2, preparing dimethyl vanillate from methyl vanillate; and 3, preparing degradable polyester from 11-(3-hydroxypropylmercapto)-undecenyl-1-ol and dimethyl vanillate. The method has the advantages of wide sources and low prices of the raw materials, regenerability and low production cost; the synthetic technology of polyester has the advantages of simplicity, easy operation, environmental protection, high yield, and benefiting for the industrialized production; and the prepared polyester material has the advantages of good thermal stability, adjustable performances, easy realization of the structural and functional diversification, realization of the performances comparable to the petroleum raw material based polyester, and possible large-scale production.

The invention provides a tetranuclear silver exotic metal cluster compound. A chemical molecular formula of the tetranuclear silver exotic metal cluster compound is [(dppf) 2Ag4 (C=CtBu) 2 (CH3OH)2] (BF4) 2.2CH3OH. The invention further provides a method for preparing the tetranuclear silver exotic metal cluster compound. The tetranuclear silver exotic metal cluster compound and the method have the advantages that the method for preparing the tetranuclear silver exotic metal cluster compound is based on the excellent stability of 1, 1'-bis (diphenylphosphine) ferrocene ligands and strong coordinating capacity of silver and phosphorus atoms, and accordingly ultimate products are high in stability and can be possibly potentially applied to the photoelectric field; raw materials for the tetranuclear silver exotic metal cluster compound prepared by the aid of the method are simple and are easily available, the method can be easily and feasibly implemented and is low in cost, good in repeatability and high in yield, processes are simple, the products are stable, certain bases can be provided for constructing exotic metal cluster compounds and chemically modifying silver cluster compounds by preparation of the tetranuclear silver exotic metal cluster compound, and the like.

The invention provides micro-nano particles; the micro-nano particles are vanadium pentoxide micro-nano particles and are formed by self assembly of nano sheets. The invention also provides a preparation method of the micro-nano particles, wherein the method comprises the following steps: 1) adding vanadium pentoxide to ethylene glycol, stirring to mix evenly, and forming a suspension A; 2) adding a sodium bicarbonate solution to the suspension A to form a suspension B; 3) heating the suspension B, and then standing and cooling at room temperature, to obtain a precursor containing a black precipitate; 4) carrying out centrifugal separation of the mixed solution containing the precursor and formed in the step 3), washing, and drying, to obtain a flower-shaped vanadium oxide precursor formed by nanosheet self-assembling; and 5) calcining the precursor obtained in the step 4) in an air atmosphere to obtain the micro-nano particles. The invention also provides an application of the micro-nano particles in the fields of new energy resources, environmental detection, food and medicines.

The invention provides a tank connecting structure of a no-header plate heat exchanger; and in the no-header plate heat exchanger, a tank body and a shell are connected through riveting. Multiple clamping fixed jaws (5a) are projected at the end outer periphery of the shell (5); a tank support part (7) is arranged at the end inner periphery of the shell (5); an annular groove part (9) is formed between the tank support part (7) and the end of the shell (5), and in this place, a small flange part (11a) of the tank body (11) is embedded by spacing from a sealing piece (10); and the fixed clamping jaws (5a) of the shell (5) are bent to form the tank connecting structure.

The invention discloses multi-area continuous forming additive manufacturing laser forming equipment. The multi-area continuous forming additive manufacturing laser forming equipment comprises a forming chamber and a plurality of forming shafts corresponding to the forming chamber. Each forming shaft corresponds to one circular forming area in the forming chamber. Each forming area is provided with a respectively-corresponding laser system. A rotation shaft is arranged among the multiple forming areas and provided with a powder paving mechanism provided with a plurality of scraper modules. Themulti-area continuous forming additive manufacturing laser forming equipment solves the technical problems that according to existing equipment, production of single forming areas can only be conducted, the equipment cannot continuously work, and accordingly the workpiece forming technology period is long, and a certain reference value is achieved for promoting development of 3D printing intelligent equipment with assembly line type technology production capability.

The invention discloses a centrifugal separation type sand screening device comprising a transporting mechanism, a screen box and a base. An inner cavity of the screen box is provided with a centrifugal barrel of which the top end is provided with a feeding hopper, and the feeding hopper is located below a transport port obliquely; the inner cavity of the screen box is provided with a fixed framewhich is provided with a fixed sleeve, and the centrifugal barrel is installed in the fixed sleeve; the middle position of the bottom end of the screen box is provided with a driving motor of which the top end is provided with a rotating shaft, and the top end of the rotating shaft is provided with a convex gear block; the bottom end of the centrifugal barrel is provided with a concave gear slot,and the convex gear block is embedded into the concave gear slot; and the side wall of the centrifugal barrel is provided with a filter screen, and the inner bottom end of the screen box is provided with guide plates of which the tail ends are provided with discharging ports. According to the sand screening device, through centrifugal motion, sand is screened effectively, and the sand screening device is applicable for screening fine sand; and the quality of filtered gains of sand can be guaranteed effectively.

The invention relates to a 3D curved surface ultra-thin glass processing technology and an edge etching jig. The processing technology comprises the following steps: 1) cutting: cutting a large glass plate into a plurality of glass plates with preset sizes; 2) hot bending forming: putting the glass plate into a hot bending machine for hot bending forming to form a 3D glass cover plates; 3) double-sided thinning: putting the 3D glass cover plates into acid liquor for double-sided thinning; 4) edge treatment: treating the edge of the thinned 3D glass cover plates in the modes of laser cutting, edge polishing and chemical etching; 5) chemical tempering: chemically tempering the 3D glass cover plates to improve the strength and flexibility of the surface; 6) surface etching: performing micro-etching treatment on the surface of the tempered 3D glass cover plates; and 7) ultrasonic cleaning and drying. The technology has the beneficial effects that: the process flow is reasonable, the processing efficiency is high, the processed product has relatively high impact resistance, the yield of the product is improved, and the technology is convenient to popularize and apply.

The invention discloses a preparation method of crystalline silicon containing up-conversion luminance quantum dots. The preparation method comprises the following steps: step 1. doping 8ppbw-120ppmw of rare-earth elements into solar polycrystalline silicon materials, utilizing an ordinary CZ method to prepare the monocrystalline silicon, or utilizing an ordinary ingot casting method to prepare the polycrystalline silicon, wherein the concentration of the atom quantity of the rare-earth elements in the monocrystalline silicon or the polycrystalline silicon is 1010-1016atoms / cm3; and step 2. carrying out annealing treatment on the monocrystalline silicon or the polycrystalline silicon prepared in the step 1 at 700-1000 DEG C, so as to obtain the monocrystalline silicon or the polycrystalline silicon containing the up-conversion luminance quantum dots. The invention also discloses the monocrystalline silicon prepared by the method, and the concentration of the rare-earth elements in the monocrystalline silicon or the polycrystalline silicon is 1010-1016atoms / cm3. With the adoption of the preparation method, the absorption of silicon materials to an infrared spectrum is increased, and the conversion efficiency is improved greatly.

The invention relates to ferroferric oxide / chitosan / indocyanine green composite particles and a preparation method and application thereof. The composite particles are indocyanine-green-supported Fe3O4@chitosan core-shell structured nanoparticles, wherein Fe3O4 nanoparticles serve as cores, chitosan serves as shells, and indocyanine green is supported on the outer surface of the chitosan. The preparation method includes preparing the Fe3O4@chitosan core-shell structured nanoparticles through a one-step heat reduction method; dispersing the prepared Fe3O4@chitosan core-shell structured nanoparticles into a water solution of the indocyanine green, disposing the mixture at a room temperature, stirring away from light, centrifuging, washing and taking lower-layer solids into deionized water so as to obtain the ferroferric oxide / chitosan / indocyanine green composite particles. Compared with the prior art, the ferroferric oxide / chitosan / indocyanine green composite particles have the advantage that the ferroferric oxide / chitosan / indocyanine green composite particles can be used as an infrared photo-thermal therapeutic agent, a drug carrier, a nuclear magnetic resonance imaging contrast agent or a fluorescence imaging contrast agent. The preparation method has the advantages of simple technological steps, good controllability, low economic cost and suitability for large-scale production.

The invention belongs to the technical field of inorganic salt materials, and specially relates to a preparation method of calcium carbonate particulates. The method comprises the following steps of adding 0.001 to 2 mol / L of a calcium salt into an 0.0005 to 1 g / L of additive solution to obtain a mixed solution, standing, adjusting a pH value of the mixed solution to a pH value of 5 to 12, through adopting different carbonate sources and corresponding different concentrations, carrying out a reaction at a temperature of 10 to 60 DEG C in an inclosed system for 10 minutes to 30 days, separating a product obtained by the previous step, and drying to obtain a desired product. Calcium carbonate particulates prepared by the method have different sizes which are in a range of 0.1 to 50 micrometers, different shapes such as a hexagonal petal shape and a globular shape, and high thermal stability. The method has the advantages of wide raw material source, low price, simple process, good operability, low pollution of adopted solvents, no toxic effect, good conformity with green chemistry requirements, and great potential for large-scale production.

The invention belongs to the technical field of electric heating and discloses a device and method for automatically controlling optimized operation of a heat accumulating type electric heating systembased on the current electricity price. The device comprises a communication module, a data storage unit and a data processing unit. The communication module is used for receiving relevant heating data and obtaining environment temperature prediction data and time-of-use electricity price prediction data. The data processing unit is used for calculating the hourly heat supply load prediction value according to the data received by the communication module, the remaining heat supply duration of a heat accumulator and the optimal starting moment and duration of electric heating and giving out starting instructions to an electric heating system at the moment. The data processing unit is used for storing relevant data. By means of the device and the method, the actual heating capacity of theheat accumulating type electric heating system can be known, and the starting time and stopping time of electric heating can be arranged reasonably and conveniently.

The invention discloses an elastic cable, which comprises three parts, namely an elastic conducting core layer, an elastic insulating layer and metal joints, wherein the elastic conducting core layerand the insulating layer are molded through extrusion systems at the same time; and the metal joints are packaged at two ends of the elastic cable. According to a method, the disadvantage of a lot ofwastes of manpower, time and cost in a traditional casting preparation method is overcome; the elastic cable has the advantages of good molding, high continuous degree and continuous process, massiveproduction can be implemented and the labor cost, the time cost and the production cost are reduced.

The invention relates to a phosphate additive for a rich-lithium manganese-based positive electrode, a preparation method of the phosphate additive and a rich-lithium manganese-based positive electrode using the additive, and belongs to the technical field of lithium ion batteries. The additive is a combination of lithium trimetaphosphate or lithium trimetaphosphate and polyvinylpyrrolidone; the rich-lithium manganese-based positive electrode material and a conduction agent can have a more stable solid electrolyte phase interface in the charging-discharging circulation; the improvement of electrochemical performance, such as the circulation performance and power performance of the rich-lithium manganese-based positive electrode material is facilitated; the lithium trimetaphosphate is prepared by an ion exchange method; simplicity and easy implementation are realized; the scaled production conditions are realized; the positive electrode plate contains the additive. Under the test conditions of 2V to 4.6V electrochemical window and 0.2C charging and discharging current, the rich-lithium manganese-based positive electrode has the advantages that the first time Kulun efficiency is greater than 75 percent; after the circulation for 50 weeks, the mass ratio volume is still maintained at 215mAh*g<-1>.

The invention relates to a full solid-state laser for an integrated laser diode intracavity pump, which is characterized in that a laser diode chip, a micro-optics shaper and a solid laser medium are sequentially integrated between an upper heat sink and a lower heat sink; a laser diode resonant cavity is formed on the back end surface of a total reflection film plated on the laser diode chip for the pump light and the left side face of a total reflection film plated on the solid laser medium for the pump light; an antireflection film is respectively plated on the natural surfaces among the laser diode chip, the micro-optics shaper and the solid laser medium; resonant cavity lenses at the two ends of the solid laser medium form a resonant cavity of the solid laser; and the anode and the cathode of the laser diode chip are respectively led out from the lower heat sink and the upper heat sink. The invention greatly reduces the unit power weight ratio of the full solid-state laser, increases the electronic-optic conversion efficiency of the full solid-state laser to over 35 percent, has the expansibility that a plurality of modules are connected in series, and ensures large-scale standard production.

The invention relates to an anti-molten-drop finishing method for polyester. The method comprises the following steps of step (1), preparing a silane precursor containing a Schiff base structure; dissolving amino-containing silane and p-hydroxybenzaldehyde in ethanol, heating and stirring to generate a silane precursor containing the Schiff base structure, and removing ethanol and unreacted silane; step (2), preparing a phytic acid sol working solution; dissolving the silane precursor containing the Schiff base structure prepared in the step (1) in a cosolvent of ethanol and water; taking a phytic acid aqueous solution, adjusting the pH of the phytic acid aqueous solution by taking a weakly alkaline organic solvent as a pH adjusting agent, adding the pH-adjusted phytic acid aqueous solution into the silica sol containing the Schiff base structure, and stirring at room temperature for 1-5 hours to obtain the prepared phytic acid sol working solution; and step (3), performing flame-retardant finishing processing on polyester by adopting the phytic acid sol working solution in the step (2).

The invention discloses a mask assembly and a manufacturing method of a Mini LED backlight module. After luminous chips are subjected to crystal fixing, the mask assembly is pasted above the luminouschips, all mask regions correspond to the luminous chips one to one, thus, second shielding parts of the mask regions cover the luminous chips, spraying parts correspond to the positions of gaps in the peripheries of the luminous chips, then materials for manufacturing reflecting structures are sprayed to the positions of the gaps of the luminous chips through hollowed-out regions of the sprayingparts to form the reflecting structures, as the materials for manufacturing the reflecting structures can be simultaneously sprayed to the peripheries of the luminous chips, the procedures are simple,the consumed time is short, the spraying efficiency is high, and mass production is achieved; and in the spraying process, the second shielding parts shield the luminous chips, the spraying materialsare prevented from being sprayed onto the luminous chips, and therefore no large welding error is caused to the following Mini LED backlight module.

The invention belongs to the field of organic and inorganic composite materials, and provides a method for preparing polymer / barium carbonate composite particles of needle-like agglomerates by taking carbon dioxide as a carbonate radical source. The carbon dioxide obtained by decomposing carbonate, or high pressure carbon dioxide is directly used as the carbonate radical source, is diffused into a reaction system, and is combined with barium ions under the control of polymer to form the composite particles with unique agglomerate structures. The structure, appearance, polymer content and the like of the composite particles can be controlled by changing corresponding experimental parameters easily; and the products are easy to separate, uniform in property and stable, and have potential application prospect in the fields such as electronics, glass, ceramic industry and the like. In the method, raw materials are wide in sources and low in prices; and the preparation method is easy to operate, and the adopted solvent is light in pollution, does not have any harmful effect, and meets the requirement of green chemistry.

The invention discloses a solar cell based on an III-V group compound semiconductor / silicon nanometer bore column array, which comprises an upper contact electrode, a lower contact electrode, a transparent conductive film, an n-type III-V group compound semiconductor, a p-type silicon nanometer bore column array, a p-type monocrystalline silicon layer and a metal conductive film layer, wherein the p-type silicon nanometer bore column array is covered on the top surface of the p-type monocrystalline silicon layer; the n-type III-V group compound semiconductor and the p-type silicon nanometer bore column array form heterojunction; the transparent conductive film is deposited on the surface of the n-type III-V group compound semiconductor; and a layer of metal conductive film serving as a back electrode is deposited on the bottom surface of the p-type monocrystalline silicon layer. In the solar cell, silicon nanoparticles and an III-V group compound semiconductor nanometer unit have continuous particle size distribution, so spectra can be absorbed continuously within a certain range, photons positioned in different frequency spectra in sun light can efficiently excite photon-generated carriers, and the photoelectric conversion efficiency of the cell is improved effectively.

The invention discloses an automatic cleaning device for parks or campuses, which includes a base and a cleaning box. A driving motor is installed at the front end of the bottom plane of the base, and a first transmission shaft is installed at the rear end of the driving motor. , the end of the first transmission shaft is equipped with a first bevel gear, the side of the first bevel gear is provided with a second transmission shaft, and the left end of the second transmission shaft is equipped with a second cone type gear, the first bevel gear and the second bevel gear are meshed through the teeth, the middle position of the second transmission shaft is installed with the first transmission gear, and the drive wheels on the left and right sides are The driving shaft is installed, and the second transmission gear is installed on the driving shaft, and the first transmission gear and the second transmission gear are meshed through tooth lines; the beneficial effect of the present invention is: dust removal and cleaning are realized through mechanical structure combination, The function of cleaning paper dust is high in efficiency, convenient to use, low in manufacturing cost, and capable of mass production.

The invention relates to an overwater overflow-oil recovery device in a rotatable roller boom form. The device is made of lightweight materials and comprises a roller and oil absorption elements, wherein the roller comprises a stand column (1) fixedly or detachably arranged on the middle of a roller bottom (7), a plurality of wall bodies (2) fixedly or detachably arranged on the circumference of the roller bottom (7), and covers (6) detachably covering the stand column (1) and the wall bodies (2); a shaft hole (12) is formed in the stand column (1); a flexible shaft or a cable penetrates through the shaft hole; the roller bottom (7) and the covers (6) are provided with through holes corresponding to the shaft hole (12); the adjacent wall bodies (2) are connected through a grid-shaped arc pore plate (3); each wall body (2) and the stand column (1) are connected through a grid-shaped plane partition plate (4); the roller is internally divided into a plurality of divided spaces; the oil absorption elements are disposed in each divided space; and the oil absorption elements can freely rotate in the corresponding divided space.

The invention provides a micro-nano particle. The micro-nano particle is a vanadium trioxide micro-nano particle, and is formed through self-assembling nano-sheets. The invention also provides a preparation method of the micro-nano particle. The method comprises the following steps: 1, adding vanadium pentoxide to ethylene glycol, and stirring vanadium pentoxide and ethylene glycol to make vanadium pentoxide and ethylene glycol be uniformly mixed in order to form a suspension A; 2, adding a sodium bicarbonate solution to the suspension A to form a suspension B; 3, heating the suspension B, and carrying out room temperature standing and cooling on the heated suspension B to obtain a black precipitate-containing precursor; 4, centrifuging a precursor-containing mixed solution formed in step 3, washing the centrifuged product, and drying the washed product to obtain a flower-like vanadium oxide precursor formed through self-assembling nano-sheets; and 5, calcining the precursor obtained in step 4 in nitrogen atmosphere to obtain the micro-nano particle. The vanadium trioxide micro-nano particle has a very high specific surface area and strong structure stability, and is helpful for improving the performances as an electric material and a catalyst.

The invention discloses a preparation method of a composite cathode plate rich in Li-rich manganese base, which is characterized by comprising the steps that an organic carbon source is dissolved in deionized water; adding the Li-rich manganese base and the dissolved carbon source solution into a hydrothermal reaction kettle, and drying powder obtained by suction filtering; uniformly mixing Li-rich manganese base powder coated with the organic carbon source, a conductive agent, a binder, a fast ionic conductor and lithium salt to obtain a mixture and dispersing the mixture in an N-methyl pyrrolidone solvent, and fully and uniformly stirring the solution with a vacuum planetary stirrer to obtain composite cathode slurry; coating a conductive coating aluminum foil with the composite cathodeslurry by a coating machine, then drying in a vacuum baking oven, and finally perform slitting to obtain the composite cathode plate. The hydrothermal method has the advantages of good crystallinity and dispersibility, low energy consumption, low pollution, low investment, high yield, single equipment, simple process flow and the possibility of large-scale production.

The invention relates to a 2.8mm day-night confocal lens with a high luminous flux. The 2.8mm day-night confocal lens comprises a front group of lenses, a diaphragm, and a rear group of lenses which are successively arranged along a light incident direction. The front group of lenses comprises a first meniscus negative lens, a biconcave negative lens and a first biconvex positive lens which are arranged successively. The rear group of lenses comprises a cemented lens group consisting of a meniscus positive lens, a second biconvex positive lens, and a second meniscus negative lens which are arranged successively, and a third biconvex positive lens. The 2.8mm day-night confocal lens has a large application range and high resolution.

The invention belongs to the field of materials, and relates to vanadium trioxide nanoparticles. The vanadium trioxide nanoparticles are spheroidic, have the particle size range of 50-100 nm and have the specific surface area of 120.4+ / -0.1 square meters per gram. The invention also provides a preparation method for the vanadium trioxide nanoparticles, wherein the method includes the steps: adding commercially available vanadium pentoxide to ethylene glycol, and stirring and mixing uniformly, to form a suspension A; adding hydrochloric acid to the suspension A, to form a suspension B with the pH of about 1; heating the suspension B, and allowing to stand at room temperature and cooling, to obtain a product containing a dark blue precipitate; and carrying out centrifugal separation of the mixed solution of the product containing the deep blue precipitate, washing and drying, and thus obtaining the spheroidic nanoparticles. The vanadium oxide nanoparticles have quite high specific surface area and relatively strong structural stability, and are helpful to improve the performance of electronic materials and catalysts.

This invention relates the prosome of Axilowei-9-(2-fatty acid ester ethoxy methyl) quanine and its liposome. In said invented product prodn. sodium deoxycholate method is used, with advantages of: simple synthesis method, economic and easy purification, high yield >70%, high pureness >99%, commercialization prodn. And experimental result shows that: said products have strong effect of anti-hepatitis B virus and anti-herpesvirus, better than their mother medicine-Axilowei.

The invention provides a security control method, a security control device and a security control system based on the certification. The security control system comprises a security control device and also comprises an intelligent terminal and a server; the security control device comprises a power-on device, a controller, a circuit control device, a power supply device control circuit, a power supply device, a motor device control circuit, a motor device and a wireless communication device; the power-on device, the circuit control device and the wireless communication device are respectively connected with the controller; the controller is respectively connected with the power supply device control circuit and the motor device control circuit through the circuit control device; the circuit control device is connected with the power supply device and the motor device through the power supply device control circuit and the motor device control circuit respectively. The security control device in the above scheme is higher in security, easy to expand, easy to repair and capable of greatly improving user experience.