104results about How to "Facilitate the realization of industrialized mass production" patented technology

The invention belongs to the technical field of preparation of nano-functional materials, in particular to a method for preparing a nitrogen doped carbon nanotube three-dimensional composite materialby in-situ growth of a few layers of titanium carbide, immersing ternary layered Ti3AlC2 ceramic powder in hydrofluoric acid solution, heating and stirring, centrifugally cleaning with ultrapure waterand absolute ethanol, drying to obtain two-dimensional layered titanium carbide nano-powder, adding it into tetramethylammonium hydroxide solution, heating and stirring, centrifuging with deionized water to obtain a few layers of titanium carbide nano-sheet dispersion; Adding cobalt salt into a dispersion of a few layers of titanium carbide nano-sheets for reaction, adding dicyandiamide, heatingand stirring until dicyandiamide is completely dissolved, freezing, and freeze-drying to obtain precursor powder; Nitrogen-doped carbon nanotubes (CNTs) three-dimensional composites were prepared by in-situ growth of a few layers of titanium carbide after grinding the precursor powder and heat treatment. A three-dimensional composite material is prepared by a simple pyrolysis method using a few layers of titanium carbide as a carrier, cobalt as a catalyst, dicyandiamide as a carbon and nitrogen source, and the electrochemical performance of the few layers of titanium carbide can be improved.

The invention relates to a preparation method of nano tungsten trioxide powder, and belongs to the field of powder metallurgy technology. The method comprises the following steps: heating a saturated ammonium tungstate solution till 65-70 DEG C, then adding ammonium chloride, tartaric acid, ethylenediamine tetra-n-propionic acid and diethanol amine respectively in sequence, keeping stirring during the adding process till being dissolved completely and continuously stirring for 1-2h; then adding nitric acid under the condition of keeping stirring to form tungstic acid gel; then putting the gel in a heating furnace for drying at 140-150 DEG C, then warming up till 340-380 DEG C for calcination, and finally ball-milling and smashing to obtain the nano tungsten trioxide powder with the average particle size of 23-28 nm. The method disclosed by the invention is mild and stable for reaction process and easy to control, prepared nano tungsten trioxide is thin and uniform in particles and high in powder purity. Moreover, the process is simple and easy to control, so that the industrial production investment is few, the production technology is simple and convenient, the production cost is low, and industrial large-scale production is convenient to realize.

The invention relates to high-performance gamma-Fe2O3 magnetofluid and a preparation method of the high-performance gamma-Fe2O3 magnetofluid, and belongs to the technical field of nanoscale science and technology and material preparation. The preparation method is characterized in that magnetic nanometer particles are prepared through a chemical coprecipitation method, after ferrous salt solutions and ferric salt solutions are evenly mixed, superfluous alkaline solutions are added till complete reaction is finished, then moderate surfactants are added and surface modification treatment is conducted, and finally the magnetic nanometer particles are obtained after sediment is conducted; after the magnetic Fe3O4 nanometer particles are cleaned and dried, the gamma-Fe2O3 magnetic particles are obtained after the cleaned and dried gamma-Fe2O3 magnetic particles are subjected to oxidation at a certain temperature in a certain time period; quantitative surfactants and carrier liquids are added to a gamma-Fe2O3 magnetic particle solution , dispersion is conducted, and the high-performance gamma-Fe2O3 magnetofluid is obtained. The high-performance gamma-Fe2O3 magnetofluid prepared through the preparation method is simple in process and high in specific magnetization, and industrial batch production can be achieved conveniently.

The invention belongs to the technical field of medicine, and relates to a preparation method and application of tanshinone II A solid dispersion pellets. The in-vitro dissolution rate of the tanshinone II A solid dispersion pellets prepared by a fluidized bed one-step molding process is remarkably increased, and bioavailability is remarkably improved; and the process is convenient to operate, feasible, high in production efficiency and low in cost, and industrial production is easy to realize.

The invention provides a method for preparing a manganese dioxide-titanium carbide composite material through a hydrothermal method and the composite material prepared through the method. The method comprises the steps that Ti3C2 nanopowder and dopamine hydrochloride are dispersed in ultrapure water separately, mixed to be uniform and then stirred under the shading condition; a Tris-buffer solution is added, and stirring continues under the shading condition; the obtained mixed solution is separated, washed and dried to obtain Ti3C2@PDA nanopowder; the Ti3C2@PDA nanopowder is added into ultrapure water and dispersed to be uniform, and then KMnO4 is added for a hydrothermal reaction; and after the reaction ends, natural cooling is conducted, and then the manganese dioxide-titanium carbide composite material can be obtained. According to the method, uniformly-distributed manganese dioxide can be formed on the surface of titanium carbide, the obtained composite material is good in electrochemical performance, and the preparation method is low in requirement on equipment, easy and convenient to operate, low in cost and beneficial to achievement of industrialized mass production.

The invention discloses a Cu-Ni-Al-Ce porous alloy and a preparation method thereof. The porous alloy comprises the following components in percentage by mass: 25%-35% of Ni, 10%-15% of Al, 2%-4% of Ce and the balance of Cu. The preparation method comprises the following steps: (1) heating Cu, Ni, Al and Ce to a molten state so as to obtain Cu-Ni-Al-Ce alloy liquid; (2) carrying out atomization and pulverization on the alloy liquid to obtain Cu-Ni-Al-Ce atomized powder; (3) sending the atomized powder into an atmosphere sintering furnace for high-purity hydrogen gas reduction; (4) carrying out hot pressed sintering on the reduced and atomized powder, so as to obtain the Cu-Ni-Al-Ce porous alloy. The Cu-Ni-Al-Ce porous alloy disclosed by the invention has the advantages of uniform chemical components and high alloy purity, and better high-temperature compression property and high-temperature creep resistance at a relatively-high porosity. The preparation method has the advantages of simple process and low cost.

The invention relates to a core-shell structure nanometer composite particle as well as a preparation method and a preparation device thereof. The preparation method comprises the following steps of using a fluidized bed chemical vapor deposition method; respectively obtaining core materials and shell materials in a way of controlling the temperature region distribution in a fluidized bed reactorand a precursor steam inlet; realizing in-situ coating; obtaining the core-shell structure nanometer composite particle. The prepared core-shell structure nanometer composite particle has the advantages that the coating between the core and the shell is uniform; the particle shape and dimension are controllable; various function coupling of the material can be realized; the core-shell structure nanometer composite particle is applied to the fields of biological medicine, electronic and semi-conductors, luminescence, catalysis and the like. The technical flow process is simple; the operation ofthe process is convenient and fast; the cost is low; the industrial production can be favorably realized.

The invention discloses a method for preparing a wave absorbing material from magnetic fluid, and belongs to the field of a wave absorbing material. The wave absorbing material is composed of a composite material coating and a semiconductor coating; the magnetic fluid which is highly stable is prepared by preparing Fe3O4 magnetic nanoparticles by adopting a chemical coprecipitation method, and ultrasonically dispersing a proper amount of surfactant in base carrier liquid; the composite material coating is prepared by uniformly mixing epoxy resin, nickel carbonyl powder and the magnetic fluid so as to obtain a mixture I, and coating n aluminum alloy sheet with the mixture I under the action of an external magnetic field; the semiconductor coating is prepared by uniformly mixing epoxy resin and silicon carbide powder so as to obtain a mixture II, and coating the composite material coating with the mixture II. According to the method disclosed by the invention, the magnetic fluid is cured on the surface of substrate under the action of the external stable magnetic field after a magnetic cone is formed, so as to greatly increase absorption length and widen the absorption band. Meanwhile, the wave absorbing material prepared by adopting the method disclosed by the invention has the advantages of light weight, low thickness and the like, and is convenient in industrial production on a large scale.

The invention provides a dendrobium officinale beverage. The dendrobium officinale beverage is prepared from the following raw materials in parts by weight: 4-8 parts of dendrobium officinale, 3-8 parts of a food nutrition enhancer, and drinking water supplementing the beverage until the final concentration of the food nutrition enhancer in the beverage is 1-5g / 100mL, wherein the food nutrition enhancer comprises the following components in parts by weight: 1-5 parts of taurine, 10-20 parts of isomaltooligosacharide and 10-25 parts of xylitol; the dendrobium officinale is counted by raw drug amount in dry stems of the dendrobium officinale. The dendrobium officinale beverage is clear in efficacy; the preparation method is economical and high in efficiency; the dendrobium officinale beverage product is safe and reliable.

The invention relates to a titanium carbide in-situ-growth CNTs three-dimensional composite material with carbon microspheres being transition layers and a preparing method thereof. The method comprises the steps of dispersing Ti3C2 nano powder into ultrapure water, then adding glucose after uniformly dispersing Ti3C2 nano powder, stirring the mixture for 5-30 min, and afterwards conducting a hydrothermal reaction to obtain a Ti3C2 @C composite material; adding the Ti3C2 @C composite material into the ultrapure water, then adding Co(NO3)2.6H2O into the ultrapure water after uniformly dispersing the Ti3C2 @C composite material, and stirring the mixture for a reaction for 2-6 h; then adding urea after the reaction is over, and conducting continuous stirring at a constant temperature to evaporate moisture to obtain precursor powder; conducting thermal treatment on the precursor powder to obtain the titanium carbide in-situ-growth CNTs three-dimensional composite material with the carbon microspheres being the transition layers. According to the titanium carbide in-situ-growth CNTs three-dimensional composite material with the carbon microspheres being the transition layers and the preparing method thereof, carbon nano tubes are grown on the surface of Ti3C2, the carbon nano tubes are utilized to provide an electron transferring channel, and thus the electric conductivity of the material is increased.

The present invention belongs to the biotechnology field and aims at providing one kind of domestic packing film capable of being degraded completely. The packing film is produced with corn starch asmain material and degradable polyvinyl alcohol and other supplementary material and through the steps of making colloid, mixing, crosslinking, drying to form film, film surface treatment, etc. The said process can produce domestic packing film with excellent performance for application widely in light industry, food product, daily used article and other packing fields.

The invention provides a granular manganese dioxide / titanium carbide composite material and a preparation method thereof. The method includes: respectively dispersing Ti3C2 nanopowder and dopamine hydrochloride into ultrapure water, well mixing, and stirring under a shading condition; adding Tris- buffer solution, and continuing stirring under the shading condition; subjecting obtained mixed solution to separation, washing and drying to obtain Ti3C2@PDA nanopowder; adding the Ti3C2@PDA nanopowder into CTAB solution, uniformly dispersing, adding KMnO4 solution, and performing liquid phase reaction; naturally cooling after reaction to obtain the granular manganese dioxide / titanium carbide composite material. By adoption of the method, granular manganese dioxide in uniform distribution can beformed on the surface of titanium carbide, and the obtained composite material is great in electrochemical performance. The preparation method is low in equipment requirement, convenient and simple in operation, low in cost and beneficial to industrial large-scale production.

The invention provides a method for preparing magnetofluid ink by using nanometer magnetic powder, and belongs to the field of printing. The magnetofluid ink is composed of the nanometer magnetic powder and printing ink. Firstly, Fe3O4 magnetic nano-particles are prepared with the chemical coprecipitation method, then an appropriate amount of surface active agent is added and dispersed in the ink, and the magnetofluid ink high in stability is prepared. According to the method, the nanometer magnetic powder is directly added to the printing ink and evenly dispersed in the ink to form stable fluid, and therefore the magnetofluid ink is obtained. Meanwhile, the magnetofluid ink prepared with the method has the advantages of being simple in process, high in magnetic induction intensity, controllable in viscosity and the like, so that industrial mass production is convenient to achieve.

The invention provides a MnO2 nanosheet / TiC composite and a preparation method thereof. The method comprises the following steps: dispersing Ti3C2 nanopowder and dopamine hydrochloride in ultrapure water respectively, performing mixing evenly, and performing stirring under the shading condition; adding a Tris-buffer solution, and performing stirring continuously under the shading condition; performing separating, water washing and drying on the obtained mixed solution to obtain Ti3C2@PDA nano-powder; adding the Ti3C2@PDA nano-powder to ultrapure water, and adding a KMnO4 solution after uniformdispersing for liquid phase reaction; performing cooling naturally after the reaction is finished to obtain the MnO2 nanosheet / TiC composite. With the method, uniformly distributed MnO2 nanosheets can be formed on the surface of TiC, and the preparation method has low equipment requirement, is simple to operate and low in cost, and facilitates industrial large-scale production.

The present invention is process and apparatus for extracting high purity Re from Re-W alloy, and belongs to the field of rare metal extracting technology. The apparatus of the present invention capable of four parts: an O2 metering device, a zonal heating system, a cooling and collecting zone and a tail gas buffering collector. Re-W alloy is oxidized and separated through air lancing reaction in a tubular oxidizing furnace with different temperature zones, and the Re oxide is heated and reduced in H2 atmosphere to obtain high purity Re powder. The apparatus has integral compact structure, the process has short technological flow, automatic control, well oxidation of the alloy, high separation efficiency and effective collection and utilization of the tail gas, and the present invention is suitable for industrial production.

The invention provides a progesterone ethosome. Progesterone is encapsulated in an ethosome. The progesterone ethosome comprises the following components in percentage by weight: 0.1 to 1 percent of progesterone, 1 to 8 percent of lipid materials, 0 to 0.6 percent of cholesterol, 20 to 50 percent of short-chain alcohols, 0 to 3 percent of nonionic surfactant and the balance of water. The preparation method comprises the following steps of: mixing and dissolving the progesterone, the lipid materials, the cholesterol and the short-chain alcohols to prepare an alcohol phase; with stirring, adding the alcohol phase into a nonionic surfactant-containing aqueous phase to prepare primary emulsion under the condition of stirring; homogenizing the primary emulsion under a high pressure to obtain asuspension; stirring the ethosome suspension for 15 to 30 minutes to perform emulsification for the second time; and curing the suspension by cooling the suspension at 0 to 4 DEG C to obtain the progesterone ethosome. Because the high-pressure homogenization method is adopted to prepare the progesterone ethosome, the progesterone ethosome is low in stimulation to skin and high in transdermal delivery ability, and metal ion pollution which is easy to cause by the probe ultrasound method of the traditional homogenization method is avoided. Therefore, the progesterone ethosome is suitable for industrial production. The progesterone ethosome can be prepared into a transdermal drug delivery system, a mucosal drug delivery system, and topical dosage forms, such as a paster, a gel and the like. The progesterone ethosome is mainly applied to hormone replacement therapy, secondary amenorrhea, functional aplastic bleeding, premenstrual syndrome and the like clinically.

The invention provides a preparation method of a 3D cross-linked hyaluronate gel for radiotherapy protection. The preparation method comprises the following steps: (1) allowing hyaluronate and a crosslinking agent to stand still in an alkaline solution for reaction at 0-10 DEG C for 0.5 to 20h to obtain a gel A; (2) allowing the gel A to stand still for reaction at 30-60 DEG C for 0.5-24h to obtain a gel B; (3) allowing the gel B to stand still for reaction at 10-40 DEG C for 0.5-20h, carrying out dialyzing and granulating to obtain the 3D cross-linked hyaluronate gel, wherein the content of cross-linked hyaluronic acid in the obtained gel is 10-50mg / ml. The 3D cross-linked hyaluronate gel prepared according to the method provided by the invention can be used for, but is not limited to, preparing a tumor radiotherapy isolation protective agent. The preparation method provided by the invention adopts three-step crosslinking of 'low temperature, high temperature and low temperature' to ensure that a crosslinking direction between hyaluronic acid molecules at each temperature is formed, multi-direction and multi-space crosslinking are realized, and the crosslinking efficiency is high;the prepared cross-linked hyaluronate gel has a stabler 3D structure, compact texture, better enzymolysis resistance, radiation resistance and high safety.

The invention provides a preparation method for freeze-dried Chinese yam superfine micro-powder. The preparation method comprises the following steps: selecting materials and washing; peeling off and slicing; lyophilizing; crushing to obtain superfine micro-powder and sealing and packaging; after selecting the materials and washing, pre-cooling Chinese yams; then peeling off and slicing, wherein the pre-cooling temperature of the pre-cooling step ranges from-27 DEG C to -30 DEG C and the pre-cooling time of the pre-cooling step lasts for 3h; the slicing thickness in the step of peeling off and slicing is 3-5mm; the temperature in the lyophilizing step ranges from -35 DEG C to -45 DEG C; the water content of the lyophilized materials is less than or equal to 3%; the step of crushing to obtain the superfine micro-powder adopts a vibration type superfine micro-powder crusher to crush the materials; the temperature of the materials is controlled to -10 DEG C in the crushing process. According to the preparation method for the freeze-dried Chinese yam superfine micro-powder provided by the invention, immersion by adopting color-protecting solution and enzyme deactivation are not needed and the loss of heat-sensitive components of the prepared Chinese yam micro-powder is small; the loss of nutrition ingredients of the raw materials is little, the reconstitution property is good and the medical value is high.

The invention relates to a new one-pot preparation method of vitamin B6. The method includes that 5-ethoxy-4-methyloxazole which is a key intermediate of vitamin B6 and dimethyl maleate or diethyl maleate are subjected to Diels-Alder addition reaction and aromatization to further form pyridine rings, and then the pyridine rings undergo hydrogenation to be catalytically reduced to vitamin B6. The one-pot method is adopted, so that the intermediates can directly react without separation. The period of technological processes is shortened, and the one-pot preparation method of vitamin B6 is simple in operation, environment-friendly and low in cost. Moreover, the selectivity, the yield and the purity of the product are high, and the method is more suitable for being used for large-scale industrial production.

The invention belongs to the technical field of solar cells and particularly relates to a large-area efficient stable passivated tunneled organic-inorganic hybrid perovskite solar cell and a laminatedcell. The large-area efficient stable passivated tunneled organic-inorganic hybrid perovskite solar cell comprises, when of upright structure, conductive glass, an electron transport layer, an organic-inorganic hybrid perovskite light absorbing layer, a hole transport layer, an ALD (atomic layer deposition) nitride, a heavily-doped hole transport layer and a metal electrode, or comprises, when ofinverted structure, conducive glass, a hole transport layer, an organic-inorganic hybrid perovskite light absorbing layer, an electron transport layer, ALD nitride, a heavily-doped electron transportlayer and a metal electrode. In addition, the passivated electron transport layer or hole transport layer has surface effects, such that carrier interfacial recombination is decreased. The heavily-doped layer helps improve the ability of transporting carriers to an outer circuit. The upright or inverted solar cell may be stacked to a HIT (heterojunction with intrinsic thin-layer) cell to form a large-area laminated cell.

The invention relates to a perovskite solar cell and a preparation method thereof. By adding an appropriate amount of polyvinyl alcohol (PVA) into a precursor liquid, the thin film morphology of a perovskite layer is improved, the service lifetime of a photo-induced carrier is prolonged, and the photoelectric conversion efficiency of the cell is effectively improved; due to the water absorption performance of the PVA, the humidity stability of the material is also substantially improved by appropriate addition, so that long-term and stable-efficiency output of the perovskite solar cell in a high humidity environment is maintained; and meanwhile, such type of a water soluble polymer material which is used is low in cost, and large-area application of the cell is facilitated.

The invention relates to hollowed-out Jun procelian, comprising two parts, i.e., base procelian and glazed porcelain, wherein a plurality of through holes are formed in the outer surface of the base procelian; the pre-separation between pore-making granules and a green body is realized by means of microwave treatment on the pore-making granules evenly doped in the base procelian green body through the through holes; then, the green body is subjected to high-temperature sintering, so that the pore-making granules are melted, and the hollowed-out Jun procelian is obtained. After the hollowed-out Jun procelian and a preparation technology thereof, provided by the invention, are adopted, the preparation of the hollowed-out Jun procelian which is good in finished product hardness, high in molding rate and low in loss on ignition can be realized by means of a base procelian raw material formula, a base procelian firing method and improvement for a glaze formula and a glaze firing technology.

The invention provides an ultrasound-assisted superfine ERI type molecular sieve rapidly synthesizing method. The ultrasound-assisted superfine ERI type molecular sieve rapidly synthesizing method ischaracterized by comprising, in sol with no organic template, performing ultrasonic treatment for hydrothermal synthesis of pure phase low-silicon ERI type molecular sieves at 100-200 DEG C for 2-48 h, which have a grain size of 300-500 nm and a silicon-aluminum ratio of 3-4. Compared with common synthesis methods in the prior art, the ultrasound-assisted superfine ERI type molecular sieve rapidlysynthesizing method avoids application of expensive organic templates, achieves synthesis of rodlike crystals uniform in size without mechanical ageing and greatly reduces the synthesizing time. Thesynthesized ERI type molecular sieves are high in activity and thermal stability, and can serve as seed crystals for synthesizing ERI type molecular sieves or ERI type molecular sieve-enriched membranes and meanwhile as excellent catalysts for MTO (methanol to olefins) reaction. The ultrasound-assisted superfine ERI type molecular sieve rapidly synthesizing method is simple in synthetic process, low in cost, good in repeatability and easy to apply to industrial production.

The invention discloses semi-artificial feed of red weevil, and a preparation method of the semi-artificial feed. The semi-artificial feed comprises the following components of Washington palm leaf stalk fiber powder, choline, mixed vitamin liquor, agar, cane sugar, casein, yeast powder, corn flour, inositol, vitamin C, cholesterol, choline chloride, microcrystalline cellulose, potassium sorbate, sodium p-hydroxybenzoate, webster salt, mixed vitamin liquor and distilled water. According to the semi-artificial feed of the red weevil and the preparation method of the semi-artificial feed, the Washington palm leaf stalk fiber powder is selected from a Washington palm leaf stalk; a source of a raw material is convenient and easy to obtain; the semi-artificial feed is applicable to mass production; the mixed vitamin and choline contribute to absorption and conversion of the red weevil, so that a breeding period is shortened significantly; and the microcrystalline cellulose has a good emulsifying effect, and has a very important role in keeping the stability of the semi-artificial feed of the red weevil and uniformly dispersing the components.

The invention discloses a three-dimensional mineralized collagen scaffold material and a bone regeneration application thereof. A method for preparing the three-dimensional mineralized collagen scaffold material having a strict grade structure by binary assembling comprises the following steps: preparing nano-hydroxyapatite; performing dialysis in the collagen mineralization process to make the nano-hydroxyapatite slowly enter and be deposited on the surface of collagen fibers; and controlling various parameters in vitro to complete the simulation of natural bone mineralized collagen fibers. The three-dimensional mineralized collagen scaffold prepared by completely duplicating chemical components and periodic grade structure of natural bones has a proper mechanical strength, and can recruit host cells to realize osteogenic differentiation. The three-dimensional mineralized collagen scaffold material having the strict grade structure has excellent angiogenesis ability, and can be individually used to realize bone defect repair in in vivo animal test without adding any biological preparation, such osteogenic factors or recombinant proteins.

The invention provides a process for preparing a key intermediate 2-ethyl-3-p-hydroxybenzoyl-benzofuran of benzbromarone. The process comprises the following steps of: (1) by taking 2-ethyl-3-p-methoxybenzoyl-benzofuran as a raw material and alkylbenzene as a reaction solvent, reacting the raw material with the reaction solvent in the presence of an acidic catalyst by a certain quantity; (2) after cooling by using ice water, adding a bit of diluted hydrochloric acid and separating out the water layer, performing decompression distillation on the organic layer so as to recover the solvent, and then concentrating the organic layer until the organic layer is dry; (3) adding a diluted basic liquid to the organic layer concentrated liquid obtained in the step (2), separating out the water layer, adding diluted hydrochloric acid to the water layer for adjusting the pH to the range from 1 to 4, and then adding haloalkane for extraction, and slowly distilling the extract until the extract becomes dry, thereby obtaining solid; and (4) performing recrystallization separation on the solid obtained in the step (3) by using petroleum ether, thus obtaining the 2-ethyl-3-p-hydroxybenzoyl-benzofuran of benzbromarone. The yield is over 90% and the liquid phase content is greater than or equal to 98%. The process is easy to control, greatly reduced in cost, and convenient for realizing industrial mass production.

The invention provides a silver nanowire-mineralized collagen co-assembled bionic stent material. The silver nanowire-mineralized collagen co-assembled bionic stent material is a three-dimensional porous stent, and the three-dimensional porous stent is formed by interweaving silver nanowires (AgNW) and collagen fibers covering surfaces of the silver nanowires (AgNW), and further comprises nano-hydroxyapatite with which the collagen fibers are filled. A production method of the silver nanowire-mineralized collagen co-assembled bionic stent material is further provided. In the silver nanowire-mineralized collagen co-assembled bionic stent, collagen molecules covering the surfaces of the silver nanowires can reduce the material biotoxicity, and can avoid effects on the compatibility and the osteogenic property; and when the surface collagen molecules are degraded in a body, part of exposed silver nanowires can effectively inhibit survival of bacteria in an implantation position, so that bone repair / antisepsis dual-mode treatment is achieved.

The invention discloses a technique for preparing gasoline from methyl alcohol through a combined bed. The technique comprises the following steps of: preheating the raw material methyl alcohol through a preheater; inputting the preheated raw material methyl alcohol into an evaporator and completely gasifying; causing the gasified raw material methyl alcohol and recycling gas enter into a combined constant temperature reactor from a mixed gas inlet pipe and draining from an outlet of the combined constant temperature reactor; outputting the product from the discharging port, and then inputting to a condenser in two paths, condensing and then entering into a gas-liquid separator; outputting the separated gas as circulating gas, outputting liquid into an oil water separator for separating, thereby acquiring the required end products of oil and water. The technique is used for overcoming the defects of high operation pressure, high feeding temperature, large recirculating ratio, much more generated invalid low-temperature heat, inconvenience in reutilization, and inconvenience in large-scale industrial production.

The invention discloses a method for preparing a three-dimensional mineralized collagen scaffold material with a hierarchical structure. Calcium ions are complexed and transferred by controlling the free energy of an intermediate and selecting a polymer with a suitable molecular weight and a suitable concentration to prepare the three-dimensional mineralized collagen scaffold material with the bone-like hierarchical structure, a non-hierarchical structure collagen scaffold and an extrafibrillar mineralized collagen scaffold material. Polyacrylic acid and the calcium ions form the intermediateto release calcium ions and promote nucleation crystallization of hydroxyapatite on collagen fibers, the energy of the intermediate is too high, and the hydroxyapatite is deposited in the gap area andthe overlapped area of the collagen fibers indistinctively and is nucleated to cause the formation of the non-hierarchical structure collagen scaffold and make the energy of the intermediate too low,so the fibrotic mineralized collagen scaffold is generated to realize the perfect simulation of natural bones, and the method has wide application values in the field of production of bone repairingmaterials.

The invention relates to a long linear super capacitor with high power. The long linear super capacitor comprises a conductive substrate, an active material, and a gel electrolyte. The active material is arranged on the conductive substrate through drop casting. The active material is coated by a carbon nanotube film which is coated by the gel electrolyte. The conductive substrate is a sandwich structure of sequential carbon nanotube film / silver nanowires / sequential carbon film. The active material is a GO / MCNTs complex. The gel electrolyte is a PVA / H3PO4 electrolyte. A preparation method of the long linear super capacitor comprises the steps of depositing the active material on the sandwich structure of sequential carbon nanotube film / silver nanowires / sequential carbon film, twisting to form linear electrodes, and finally preparing the long linear super capacitor through twisting by using two same linear electrodes. According to the long linear super capacitor and the method, the efficiency is high, the stability is good, the realization of industrialized production is facilitated, the axial conductivity of the long linear super capacitor is improved, and thus the power characteristic of the long linear super capacitor is improved.