63results about How to "Three-dimensional structure" patented technology

The invention provides a method for synthesizing nonspherical hydrogel microparticles. In a first stage, oil-in-water droplets are formed by adopting a T-channel structure; and in a second stage, oil / water / oil double emulsion is formed by adopting a flow focusing structure. Under the irradiation of ultraviolet light, the intermediate phase of the double emulsion is polymerized to form the hydrogel microparticles, and polymerization reaction on an interface of an external phase and the intermediate phase is suppressed, so that hydrogel cannot wrap internal-phase oil cores, and the hydrogel microparticles taking the internal-phase oil cores as templates are formed. The method has the advantages that: the volume velocity ratio of the internal phase to the intermediate phase is controlled to form a series of hydrogel microparticles with similar shapes; the number of internal cores of single double emulsion is controlled to form hydrogel microparticles with different shapes such as meniscal shapes and polypod shapes; additives in a monomer solution are controlled to form hydrogel microparticles with special functions such as fluorescence and magnetism; and compared with microparticles formed by a photoetching method, the microparticles formed by the method have three-dimensional shape structures.

The invention discloses a degradable BOPP packing film and a manufacturing method thereof; the packing film is formed by co-extrusion of three layers of materials, namely surface-layer materials, core-layer materials and inner-layer materials, wherein the surface-layer materials and the inner-layer materials are formed by blending the following components by weight percent: 90-93 percent of random copolymer polypropylene modified raw materials, 4-7 percent of smoothing agents and 2-4 percent of antisticking agents; and the core layer is formed by copolymerization of the following components by weight percentage: 90-93 percent of homopolymer polypropylenes, 4-7 percent of binary polyketone polymers and 2-4 percent of anti-static agents. The manufacturing method thereof comprises the preparation of random copolymer polypropylene modified raw materials, the preparation of surface-layer materials and inner-layer materials, the preparation of core-layer materials, chilling and dual-axis two-way stretching, thus obtaining the degradable BOPP packing film. The packing film can meet the performance requirements of small commodity packages such as cigarettes, food, beverages, stationery and the like, and can simultaneously complete the degradation in a shorter time, thereby realizing the harmless automatic treatment of two-way stretching polypropylene films and the protection of environment.

The invention relates to a self-supporting flexible super capacitor electrode material and a preparation method, and belongs to the technical field of super capacitor electrode materials. The method comprises the following concrete steps that a polyphosphazene and polymer mixed solution is prepared, the mixed solution is used to prepare a polymer / polyphosphazene nanometer fiber film via a static spinning method, and a nitrogen and phosphor doped self-supporting flexible carbon nanometer fiber film is obtained from the polymer / polyphosphazene nanometer fiber film by means of low-temperature heat treatment, high-temperature carbonization and potassium hydrate activation, and can be applied to a flexible super capacitor electrode material. According the method, extra conductive additive and binder are not needed, the electrode material can be used directly, the carbon fiber film electrode material doped with nitrogen and phosphor includes a meso-structure and fake capacitance at the sametime, the specific capacitance can reach 176F / g, the carbon fiber film is highly flexible, and the material can be widely applied to the flexible and wearable electronic fields.

The invention relates to a preparation method of an electrode material for a super-capacitor. The preparation method aims at solving the problem that the specific capacitance is lower due to the smaller specific surface area of a porous carbon material. The preparation method comprises the following steps of: one, preparing a graphene oxide waterborne dispersing liquid; two, weighing the graphene oxide waterborne dispersing liquid and a carbon nanotube; three, obtaining a graphene / carbon nanotube mixing turbid liquid; fourth, obtaining a clean substrate; and five, obtaining the electrode material for the super-capacitor. The graphene oxide and the carbon nanotube in the electrode material for the super-capacitor prepared according to the preparation method have a good deposition effect; the carbon nanotube grows on the surface of the graphene oxide and has a three-dimensional stereochemical structure and a large surface area, thereby leading the capacitance of the electrode material for the super-capacitor to be increased. The preparation method is used for preparing the electrode material for the super-capacitor.

The invention belongs to the technical field of biological examination of pathogenic bacteria in medical clinical examination, and particularly relates to a fungus fluorescent staining solution and apreparation method thereof. The fungus fluorescent staining solution is prepared from the following components in parts by weight: 0.5 to 1.5 parts of a fluorescent whitening agent, 0.07 to 0.15 partof a background pressure preparation, 10 to 15 parts of a dissolution promoter, 1 to 2.5 parts of an anti-fluorescence decay agent, 0.3 to 0.8 part of a surfactant and 0.5 to 1.5 parts of sodium chloride. The fluorescent whitening agent and the background dye are mixed and prepared; according to the staining solution, the anti-fluorescence decay agent, the surfactant, the dissolution promoter andthe sodium chloride are added, so that the staining effect and the staining durability of the staining solution are remarkably improved, the staining solution can be stably placed for a long time, specimen staining steps are simplified, and the staining solution has the advantages of high staining speed and good effects.

The invention belongs to the field of detection, and particularly relates to a configuring method of a fluorescent staining solution of detecting fungi. The fluorescent staining solution is formed by0.001-0.003% of a fluorescent whitening agent 28, 5-15% of potassium hydroxide, 3-6%of dimethyl sulfoxide, 2-5% of sodium chloride, 5-15% of glycerol, 0.01-0.03% of Evans blue, and the balance of purified water. Hypha and spore structures of the fluorescent staining solution provided by the invention are clearly visible, fungus identification is easy, sensitivity is high, accuracy and efficiency of staining result interpretation are improved, a detection rate is high, and an application range is wide.

The present invention provides a finishing method of a high water absorption hydrophilic nonwoven fabric for medical treatment. The finishing method comprises: (1) low temperature plasma treatment: taking a nonwoven fabric base cloth, and carrying out low temperature plasma treatment on at least one surface of the nonwoven fabric base cloth, wherein the low temperature plasma treatment comprises: carrying out low temperature plasma treatment on the nonwoven fabric base cloth under a normal pressure by using N2, Ar or He gas as a working gas by using a ceramic electrode through dielectric barrier discharge; (2) online liquid injection: coating a fatty acid ester finishing liquid on the surface of the nonwoven fabric base cloth, and carrying out high temperature drying; and (3) cutting and packaging. According to the present invention, the method does not require the vacuum condition, can directly achieve the online liquid injection, and can directly perform the low temperature plasma treatment under the normal pressure without other additional equipment conditions; and the produced non-woven has characteristics of soft handfeeling and comfort, and can especially meet the high water absorption requirement in the medical industry, and the method can well meet the large-scale industrial production.

A method for fabricating a variable resistance memory device includes forming a first electrode, forming a first metal oxide layer which satisfies chemical stoichiometry over the first electrode, forming a second metal oxide layer which is lower in oxygen content than the first metal oxide layer by reducing a part of the first metal oxide layer, and forming a second electrode over the second metal oxide layer.

The invention relates to an MQ resin based organic silicon surfactant and a preparation method thereof. The surfactant is in a core-shell structure with a Q portion namely a SiO2 core and an M portionnamely a shell layer containing hydrophobic and hydrophilic functional groups. The preparation method includes steps: 1) hydrogen-containing MQ resin synthesis; 2) hydrosilylation, to be more specific, grafting a double-bond-containing hydrophobic and / or hydrophilic compound on the MQ resin surface. Compared with a traditional organic silicon surfactant based on linear polydimethylsiloxane, the MQ resin based organic silicon surfactant has the advantage of excellent water resistance. Due to the special core-shell structure, advantages of a molecular surfactant and a solid particle stabilizerare combined, so that emulsifying effects and long-term stability of emulsion are improved. By control of grafting quantity of the surface hydrophobic and hydrophilic compound, amphipathicity of the surfactant can be systematically regulated. The novel surfactant can be used for stabilization of various oil-water emulsions and can serve as a foam stabilizer for polyurethane foam plastic.

The invention discloses a paraffin sectioning method for Corydalis saxicola Bunting stems. The paraffin sectioning method comprises the following steps: sample fixation, dehydration, transparency treatment, wax dipping, embedding, sectioning and slice expansion, dewaxing, dyeing and slice sealing. The paraffin sectioning method specifically comprises the following steps: before the transparency treatment, putting dehydrated Corydalis saxicola Bunting stems into a 0.8%-1.2% sarranine solution, and carrying out dip dyeing for 8-12 hours; after the dewaxing, carrying out rehydration on a slide carrying the Corydalis saxicola Bunting stems, putting the Corydalis saxicola Bunting stems into an alcohol solution, carrying out color separation, simultaneously adding acetic acid into the alcohol solution for the color separation in a volume ratio of 1 to (800-1000), finally, putting the Corydalis saxicola Bunting stems into a 0.8%-1.2% fast green solution, and carrying out dyeing for 10-20 seconds. By virtue of the paraffin sectioning method disclosed by the invention, a clear Corydalis saxicola Bunting stem structure can be sectioned, a specimen can be stored for a long time for use, is a permanent microscopic slide specimen and can be applied to microscopic identification of Corydalis saxicola Bunting medicinal materials for market normalization.

The invention discloses an elastic composite fiber. The fiber comprises a fiber body, and the fiber body is characterized by being prepared from, by weight, 10%-90% of low viscosity PET, 10%-90% of high viscosity PET, 10-80% of PTT and 10-80% of PBT through composite spinning. The fiber combines the advantages of three fibers of the PET, PTT and PBT, and not only has the advantages of good spinnability, high strength, good elasticity, softness, comfort, easy dyeing, moisture absorption and the like, but also utilizes reasonable cooperation between materials and the difference between physicaland chemical properties to make the three-dimensional structure of the composite fiber more remarkable and the thermal stability better.

The invention discloses a soft multiplayer oil tank. The soft multiplayer oil tank comprises a body. The body comprises an inner layer, a buffer layer and an outer layer in sequence from inside to outside. The inner layer comprises a first static elimination layer, a first high-barrier layer and a first static elimination voltage resistance layer. The outer layer comprises a second static elimination layer, a second high-barrier layer and a second static elimination voltage resistance layer. The buffer layer is provided with a leakage detection inductor. The leakage detection inductor is provided with a sensor used for detecting oil and triggering an alarm. The soft multiplayer oil tank has the advantages of high voltage resistance, static prevention, high barrier and the like, leakage of the inner layer and the outer layer of the tank can be detected in time, and safety is improved.

The invention discloses a high-throughput preparation method of multicellular tumor spheroids. The preparation method comprises the following steps: S1, quickly mixing a cell suspension of tumor cellswith a basement membrane matrix, and transferring the obtained cell suspension into a low-attachment well plate; and S2, performing centrifuging, culturing the cell suspension in an incubator after centrifugation, and maintaining the cell suspension during culture to form the multicellular tumor spheroids combined with the basement membrane matrix. The added substance used in the technical schemeis the basement membrane matrix Matrigel which can promote the formation and growth of the multicellular tumor spheroids, thereby promoting the three-dimensional structure of the formed multicellulartumor spheroids; meanwhile, the low-attachment well plate is used, so the tumor cells spontaneously aggregate into spheroids; and combined with culture after centrifugation of the well plate and thedesign of the step of maintaining the cell suspension during culture, cell aggregation is artificially promoted by centrifugation, so the subsequently formed cell spheroids are more compact and have amore three-dimensional structure. Therefore, the prepared tumor spheroids are in a state of uniform diameter and concentrated particle size distribution.

The invention relates to durable rubber asphalt. The asphalt is composed of the following components in parts by weight: 100 parts of matrix asphalt, 20-30 parts of rubber powder, 0.3-0.5 part of a foaming agent, 0.2-0.5 part of a foam stabilizer, 0.05-0.1 part of a stabilizer, 0.1-0.2 part of a defoaming agent, 10-20 parts of gamma-aminopropyl triethoxysilan and 10-20 parts of a rare earth tungstate. According to the method provided by the invention, the gamma-aminopropyl triethoxysilane is added, internal components of the asphalt are tightly combined through a coupling effect of the gamma-aminopropyl triethoxysilane, so that the viscosity and compactness of the asphalt are increased; the foaming agent is firstly added in the preparation process to make modified asphalt foamed, the internal structure of the asphalt becomes a honeycomb type, the rubber powder, water-based tackifying resin and the rare earth tungstate are bonded in the asphalt, so that the structure is more stereoscopic and the internal connection is more uniform and dense; the formed structure is processed by the defoaming agent, and the formed connection structure is pressed, so that the structure is more dense;after the rare earth tungstate is wrapped, the wear resistance of the asphalt is greatly increased; and the stabilizer is added during addition of the defoaming agent, so that a current structure is prevented from being destroyed.

The invention discloses a green and pollution-free cold batch method for pure cotton spunlace non-woven fabric, and belongs to the technical field of bleaching. The method comprises the following steps of (1) pretreatment: exposing a cotton web subjected to impurity removal and carding in plasma, wherein the treatment time is 1-4 minutes; (2) cold batch treatment: immediately performing cold batch treatment on the cotton web treated in the step (1) in a supercritical carbon dioxide fluid under the conditions that the temperature is 40-80 DEG C, the time is 0.5-1.5 hours and the fluid pressure is 10-15 Mpa, wherein the supercritical carbon dioxide fluid contains a composite biological enzyme agent, and the composite biological enzyme agent comprises cellulase, pectinase, proteinase, lipase, laccase and glucose oxidase; (3) spunlace: performing spunlace treatment on the cotton web treated in the step (2). According to the method, the cotton web is pretreated through the plasma, the treatment time of the subsequent cold batch process can be shortened, the treatment effect can be improved, and the whole treatment time can be shortened to one hour. No wastewater is discharged, and the method is green and environment-friendly.

The invention relates to a preparation method of an electrode material for a super-capacitor. The preparation method aims at solving the problem that the specific capacitance is lower due to the smaller specific surface area of a porous carbon material. The preparation method comprises the following steps of: one, preparing a graphene oxide waterborne dispersing liquid; two, weighing the graphene oxide waterborne dispersing liquid and a carbon nanotube; three, obtaining a graphene / carbon nanotube mixing turbid liquid; fourth, obtaining a clean substrate; and five, obtaining the electrode material for the super-capacitor. The graphene oxide and the carbon nanotube in the electrode material for the super-capacitor prepared according to the preparation method have a good deposition effect; the carbon nanotube grows on the surface of the graphene oxide and has a three-dimensional stereochemical structure and a large surface area, thereby leading the capacitance of the electrode material for the super-capacitor to be increased. The preparation method is used for preparing the electrode material for the super-capacitor.

The invention provides an automobile front hatch cover hinge reinforcing plate which comprises a body welded to a front hatch cover inner plate, inclined folding plates are arranged on the side edge and the rear side edge, away from the center line of an automobile body, of the body, and the inclined folding plates are welded to the plate face of the front hatch cover inner plate. According to thescheme, by arranging the inclined folding plates, the automobile front cabin cover hinge reinforcing plate structure is three-dimensional, the bending resistance and torsion resistance of the automobile front cabin cover hinge reinforcing plate structure are improved, the structural strength of the automobile front cabin cover hinge reinforcing plate structure is improved without additionally arranging stamping flanges, the structure is simple, the mounting area is saved, and mounting in a flat position of a front cabin cover inner plate is not needed.

The invention discloses a solvent-free quick-curing reaction type waterproof coating and a preparation method thereof as well as a roll-coating laminated waterproof construction system and a construction method thereof. The solvent-free quick-curing reaction type waterproof coating comprises the following raw materials in parts by weight: 80-120 parts of alkoxy silicon-based modified polyether polymer resin, 20-40 parts of a dispersion stabilizer, 260-320 parts of heavy powder, 70-100 parts of a plasticizer, 3-5 parts of a dehydrating agent, 3-5 parts of a silane coupling agent and 2-4 parts of an organic tin catalyst. The coating can be used for construction at a low temperature (-20 to 5 DEG C), has the solid content of more than or equal to 99%, can meet the construction thickness requirement (thickness of 1.5-2.0 mm) at one time, has the characteristics of high bonding strength, high curing and film-forming speed at a low temperature and the like, greatly improves the constructionefficiency and solves the problems in winter construction.

The invention relates to a method for preparing retanning agent for leather. It comprises following steps: mixing horse radish peroxidase with deionized water to produce enzyme solution, adding phenol and horse radish peroxidase solution into deionized water, dropping hydrogen dioxide and mixture of acrylamide and acroleic acid monomer respectively, reacting at temperate condition, moderating pH with sodium-hydroxide, adding formaldehyde and sodium acid sulfite at light acidic condition for sulfiting reaction, getting copolymerized retanning agent for leather. The invention is characterized by specific synthetic process, and soft and light leather products that employs prepared retanning agent in this invention.

The invention provides a hockey blocking net convenient to store, disassemble and assemble and provided with a goal. The bet comprises edge covering cloth, a blocking net piece is sewn in an inner cavity of the edge covering cloth, loop hanging ropes are sewn at the tops of the two sides of the edge covering cloth, rope winding iron heads are tied to the surfaces of the loop hanging ropes, and glass fiber rods are inserted into inner cavities of the rope winding iron heads. And a welding pipe head is inserted into one sides, far away from the rope winding iron heads, of the glass fiber rods. Through the cooperation of the first braid, the second braid, the third braid and the fourth braid, a user uses a very light braid structure to form the goal to replace an original cumbersome goal structure, so that the overall weight of the combined product is reduced, and meanwhile, the combined product is more convenient to store, disassemble and assemble; through cooperation of the glass fiberrods, the welding pipe head, the rope winding iron head and the circular bottom pipe, a user only needs to pull the glass fiber rod out of an inner cavity of the welding pipe head and an inner cavityof the rope winding iron head, and then the blocking net can be rapidly disassembled and stored.

The invention discloses a preparation method of a phosphate radical adsorbent based on a 3D rGO / zirconium dioxide composite material, which comprises the following steps: preparing GO by a conventional method, and preparing a dispersion liquid as required, uniformly dissolving the ZrOCl2.8H2O and glutamic acid, and mixing the solution with the GO dispersion liquid; then transferring the mixed solution into a polytetrafluoroethylene reaction kettle for hydrothermal reaction, and washing and drying the reacted material to obtain the final product 3D rGO / ZrO2. The preparation method has the advantages that 1, the prepared product is regular in morphology and has a three-dimensional structure; 2, the prepared product has efficient phosphate radical adsorption performance; 3, the material is simple to prepare, low in cost and suitable for large-area popularization and application.

The invention belongs to the field of nano materials, and particularly relates to a bimetallic nano-structure antibacterial composition and a preparation method thereof. The synthesized nano material MIL-101 (Fe) (at) Ag is regular in crystal morphology, has a three-dimensional structure, is uniform in particle distribution, and has a remarkable inhibition effect on escherichia coli and staphylococcus aureus. The antibacterial property of the synthetic product is detected by a plate coating method, and when the concentration of MIL-101 (Fe) coated Ag is 100 mu g / mL, the inhibition effect on escherichia coli and staphylococcus aureus is remarkable.

The invention relates to high-viscosity modified emulsified asphalt. The high-viscosity modified emulsified asphalt is prepared from the following components in parts by weight: 80-85 parts of matrixasphalt, 1-5 parts of modifier, 0.1-0.5 parts of emulsifier, 0.02-0.05 parts of additive, 0.1-0.2 parts of foamer, 0.1-0.2 parts of defoamer, 0.05-0.1 parts of stabilizer, 10-20 parts of gamma-aminopropyltriethoxysilane and 30-50 parts of water. The high-viscosity modified emulsified asphalt has the beneficial effects that by addition of the gamma-aminopropyltriethoxysilane, the coupling action can make close combination of all components in the asphalt, so that the viscosity of the asphalt is improved; in the preparation process, the foamer is firstly added to foam the modified emulsified asphalt, then the internal structure can be honeycomb-type temporarily, the gamma-aminopropyltriethoxysilane conducts coupling in the modified emulsified asphalt, so that the structure is more three-dimensional, the internal connection is more uniform and denser, after the formed structure is treated by the defoamer, the formed connecting structure is extruded, and the structure is denser, so that the viscosity is greatly increased.

The invention discloses a soaking plate structure without a wick and a preparation method thereof. The soaking plate structure comprises a first cover plate and a second cover plate, wherein the firstcover plate and the second cover plate are mutually covered to form a cavity, and a plurality of supporting pieces are arranged in the cavity; and the cavity is filled with a working medium. According to the soaking plate structure without the wick and the preparation method thereof, a wick structure inside a soaking plate is omitted, the sintering process in the machining process is reduced, theeffect of remarkably saving energy consumption is achieved, the thickness of the soaking plate is further reduced, and the market development trend is met.

The invention discloses a composite driven snowflake pile system and a construction method. The system comprises an outer core of a cement mixing pile, an inner core of a snowflake steel sheet pile, a guide component, a pile connecting device and a cement slurry state monitoring system; a snowflake steel plate A pile cap is installed on the top of the inner core of the pile, and the pile cap is connected with the bearing platform; when the outer core of the cement mixing pile exceeds the set length, the inner core of the snowflake-type steel sheet pile is driven into the pile through the pile connection device and the guide assembly by means of segment connection. The outer core of uninitialized cement mixing pile. The invention combines the bearing characteristics of the cement mixing pile and the snowflake steel sheet pile, makes up for the insufficient lateral friction resistance and insufficient structural stability caused by the relatively small volume of the high-strength steel sheet pile, and improves the bearing capacity of the pile body. The invention balances the construction cost, enhances the bearing capacity of the pile body, has a wide range of applications, is used to solve the problems of soft soil foundation reinforcement, foundation pit support and differential settlement of bridge heads, and has broad application prospects in the fields of bridges, foundation pits and roads. .

The invention provides an organic blue OLED fused ring compound, a preparation method and an organic electroluminescent device thereof, and belongs to the technical field of organic semiconductors. The organic blue OLED fused ring compound adopts a structure shown as a formula (1).

The invention relates to waste thermosetting plastic modified asphalt and a preparation method thereof. The modified asphalt is prepared from, by weight, 100 parts of matrix asphalt, 20-40 parts of waste thermosetting plastic, 1-5 parts of modifying agent, 0.1-0.2 part of foaming agent, 0.2-0.5 part of foam stabilizer, 0.1-0.2 part of antifoaming agent, 0.05-0.1 part of stabilizer, 10-20 parts ofvinyltriethoxysilane and 30-50 parts of water. According to the waste thermosetting plastic modified asphalt, by adding vinyltriethoxysilane, the matrix asphalt and the waste thermosetting plastic arecompactly combined through a coupling effect of vinyltriethoxysilane, and the viscosity and compactness of the asphalt are improved; in the preparation process, firstly, the foaming agent is added, the modified asphalt is foamed, the internal structure of the modified asphalt is temporarily turned into a honeycomb shape, the structure is more stereoscopic, the internal connection is more uniformand compact, the matrix asphalt and the waste thermosetting plastic are compactly combined, the formed structure is treated by the antifoaming agent, the formed connection structure is extruded and ismore compact, the viscosity and connectivity are greatly improved accordingly, and fracture is effectively prevented.