89results about How to "Avoid cumbersome workmanship" patented technology

The invention relates to technology for preparing an anodized aluminum oxide film, in particular to a method for preparing a pore diameter controllable through hole anodized aluminum oxide film. The method comprises the following steps of: performing anode electrolysis treatment on an anodized aluminum oxide film with an aluminum substrate in mixed solution of perchloric acid and acetone to obtain a pore diameter controllable anodized aluminum oxide film with two open ends in short time (2-300 seconds), wherein the pore diameters at the top end and the bottom end fo the anodized aluminum oxide film are accurately controllable in ranges of between 10 and 100nm and between 5 and 25nm; and putting the aluminum oxide film with the aluminum substrate subjected to stage depressurization-method oxidation into acetone solution of perchloric acid, and applying voltage 5-15V higher than film forming voltage for anode electrolysis treatment to obtain the pore diameter controllable through hole anodized aluminum oxide film. In the method, the pore diameters at the top end and the bottom end of the anodized aluminum oxide film can be respectively controlled, holing and removal of the aluminum substrate are completed by one step, and a plurality of problems of complicated process, time consumption, difficult control of pore diameters and the like in the conventional process for preparing the through hole anodized aluminum oxide film.

The invention discloses a fast-implantable sustained-release microneedle patch and a preparation method of a fast-implantable sustained-release microneedle. The invention firstly discloses the fast-implantable sustained-release microneedle, the fast-implantable sustained-release microneedle includes a needle tip, an intermediate layer, a needle body and a base, the needle tip is formed of a substrate containing a biodegradable water-insoluble polymer material, the intermediate layer is formed of a substrate containing a hydrophilic material, and the needle body and the base are formed of a substrate containing a biocompatible polymer material. The invention also discloses the preparation method of the microneedle. According to the microneedle or microneedle patch provided by the invention,the biodegradable water-insoluble polymer material is used to prepare the needle tip, the hydrophilic material is used to prepare the intermediate layer, and the biocompatible polymer material is used to prepare the needle body and the base, so that the multi-layered microneedles with water-insoluble needle tips are formed; and water is absorbed after the microneedles act on skin, the needle tipsand the needle bodies are quickly separated from the base within 1 h, after the base is removed, the needle tips remain in the skin, and the long-term release of a drug in vivo can be ensured withoutapplying the microneedle patch to a user for a long time.

The invention relates to a manufacturing method of a complex-structured intelligent material device based on a rapid forming technique. The manufacturing method comprises the following steps: determining the utilized rapid forming technique according to one or multiple requirements including the physicochemical properties and states of a forming raw material and the precision of the complex-structured intelligent material device; establishing a three-dimensional model of the complex-structured intelligent material device, carrying out discretization on the surface of the three-dimensional model of the complex-structured intelligent material device to generate a three-dimensional digital model file of the three-dimensional model of the complex-structured intelligent material device, carrying out support adding, layered model discretization and processing route generation on the three-dimensional digital model file to guide out a processing file capable of being identified by rapid forming equipment, and downloading the processing file to the rapid forming equipment; manufacturing the complex-structured intelligent material device by virtue of the rapid forming equipment according to the processing file. According to the manufacturing method, the problem that different types of the complex-structured intelligent material devices are difficult to manufacture is solved; a forming device has the advantages of high precision, adjustable performance, easiness in manufacturing and the like.

The invention discloses a system for rapidly pyrolysing and liquefying biomass, which comprises a pyrolysis reactor, a feeding device connected with a biomass material inlet of the pyrolysis reactor, a reaction starter connected with a circulating heat supporting gas inlet, a gas-solid separation sub-system connected with a pyrolysis gas outlet of the pyrolysis reactor, a bio-oil condensing and reserving sub-system connected with a gas outlet of the gas-solid separation sub-system, and a thermal circulation medium heating and separating sub-system connected with a solid outlet of the gas-solid separation sub-system. The thermal circulation medium outlet of the thermal circulation medium heating and separating sub-system is connected with the thermal circulation medium inlet of the pyrolysis reactor, wherein the bio-oil condensing and reserving sub-system includes at least one heat exchanger that is applied for cooling partial obtained bio-oil to be used as a condensed medium of the bio-oil condensing and reserving sub-system. The system for rapidly pyrolysing and liquefying biomass can fully improve the utilization rate of biomass energy and reduce the operation cost thereof to the maximum degree.

The invention discloses a light emitting diode light source structure, which comprises a packaging main body, wherein the packaging main body is composed of a light transmitting substrate, a light emitting diode device fixed on the upper surface of the light transmitting substrate and a light transmitting top plate correspondingly packaged on the light emitting diode device; the light emitting diode device comprises an LED (Light Emitting Diode) light emitting chip, a positive light emitting electrode slice and a negative light emitting electrode slice; the LED light emitting chip and the light emitting electrode slices are connected; a transparent silica gel layer for sealing the LED light emitting chip is injected between the light transmitting substrate and the light transmitting top plate; the side surface of at least one packaging main body is fixedly stuck with a light transmitting side plate; the light transmitting substrate and the light transmitting top plate respectively comprise a first transparent sheet and a second transparent sheet which are fixedly overlapped; a fluorescence rubber layer is evenly coated between the opposite surfaces of the first transparent sheet and the second transparent sheet; and the light transmitting side plate comprises a transparent sheet and the fluorescence rubber layer coated on the inner surface of the transparent sheet. According to the light emitting diode light source structure, no dead corner four-direction lighting illumination is realized, fluorescent powder and the light emitting diode are completely sealed to protect the safety of the light source device, and the light emitting diode light source structure has the advantages of long service life, high lighting effect, energy conservation and environment protection.

The invention provides a method for preparing a quantum-dot single photon source in a hexagonal-prism nano microcavity. The method comprises the steps as follows: step 1, taking a semiconductor substrate, and growing a silicon dioxide layer containing oxidation holes on the semiconductor substrate; step 2, washing the semiconductor substrate, where the silicon dioxide layer grows; step 3, adopting an autocatalysis method to grow a GaAs nanowire on the silicon dioxide layer, and forming a Ga droplet at the top of the GaAs nanowire; step 4, adopting high As pressure processing to consume the Ga droplet at the top of the GaAs nanowire, restraining axial VLS (vapor-liquid-solid method) growth of the GaAs nanowire, and forming a prismatic shaped structure; step 5, depositing a first AlGaAs barrier layer on the side wall of the prismatic shaped structure, and depositing GaAs quantum dots at a low speed on the surface of the AlGaAs barrier layer; step 6, covering the GaAs quantum dots with a second AlGaAs barrier layer; and step 7, growing a GaAs protective layer on the surface of the second AlGaAs barrier layer to finish the preparation.

The invention relates to a peanut nutritional milk and the preparation method, belonging to the technical field of food drink processing. The ingredients and the weight percentage of the invention are as follows: the protein 2.0 to 4.0 percent, sucrose 5.0 to 8.0 percent, emulsification stabilizing agent 0.15 to 0.25 percent, and remainder is the water. Compared with the prior art, the invention has the advantages that: (1) using the peanut butter protein directly to avoid the complicated crafts of pretreatment of peanut kernel, the protein extraction and other crafts, thus the production equipment disposition is simplified. (2) the nutritional milk prepared according to the invention has a protein content as high as 2.0 to 4.0 percent. (3) the nutritional milk presents cream color and has the unique fragrance and the taste of peanut and milk, taste is pure without burnt taste. During the guarantee of six months, the milk presents the uniform shape of the emulsion without lamination, flocculation phenomena and obvious deposit layer. Only by slightly shaking, the deposit can restore to the original condition.

The invention discloses a one-time forming device for corrosion preventing of the interior of a steel pipeline. The one-time forming device comprises a coating mechanism and a traction mechanism. The coating mechanism comprises a charging pipe, a coating and extruding ball and a painting limiting ball, and the coating and extruding ball and the painting limiting ball are arranged in the charging pipe and connected. A charging cavity is formed between the coating and extruding ball and the painting limiting ball. The charging pipe is connected to one end of a coated pipeline and is consistent to the coated pipeline in inner diameter. The traction mechanism penetrates the other port of the coated pipeline through a traction rope till the traction mechanism is connected with the painting limiting ball. The coating mechanism further comprises an even coating device arranged in the charging pipe, and the even coating device is a rotating brushwork device connected to the coating and extruding ball. The one-time forming device is short in construction period, the technology is easy to achieve, cost is low, and the defects that according to an original corrosion preventing technology, repaired mouths are excessive, and the overall corrosion preventing effect of the pipeline is hard to guarantee are avoided. The service life of the pipeline is prolonged, the construction efficiency is improved, and economic and social benefits are obvious.

The invention provides a barium slag construction material. The barium slag construction material is prepared from, in parts by weight: 30-65% of barium slag, 4-20% of coal ash, 4-25% of mineral wasteresidue, 8-20% of quick lime, 2-5% of calcium sulfate, 0.2-1% of sulfate, 5-15% of cement and 0.2-1.5% of water reducing agent. Barium slag, coal ash, mineral waste residue, quick lime, calcium sulfate and sulfate are subjected to mixing grinding after being blended, the mixture obtained after mixing grinding is sufficiently mixed with water, the water reducing agent and cement to be uniform, slurry is obtained, then slurry is poured into a mold, the mold is sufficiently vibrated and formed, then demolding is conducted after maintenance is conducted for 6-24 hours, and the barium slag construction material is obtained through natural non-steam curing after demolding is completed. The barium slag utilization rate is high, the cost is low, the technology is simple, the construction materialand the preparation method provided by the invention solve the difficult problems that the strength of barium slag is low and the safety is poor when barium slag serves as the construction material,and meanwhile solves the problems that the storage volume of existing barium slag is large, the environment is polluted, the cost is high in the recycling process, and the environmental safety is notsufficiently considered.

The invention relates to a method using weak magnetic iron ore for producing fine iron powder and cement. The technical scheme thereof is as follows: firstly, 55 to 88 percent of weak magnetic iron ore, 10 to 25 percent of reducing agent and 10 to 20 percent of fusing agent by weight are mixed; secondly, the mixture is agglomerated and then is calcinated, the calcination temperature ranges from 1250 to 1450 DEG C, the calcination time ranges from 0.5 to 2.5 hours, and the calcinated mixture is sealed and cooled to room temperature; thirdly, the calcinated material is crushed and then is drily ground to be less than 25 micrometers; and finally, a micro powder dry magnetic separator is used for dry magnetic separation so as to obtain fine iron powder and cement clinker. The weak magnetic iron ore includes the following chemical components by weight: 20 to 55 percent of TFe, no more than 5 percent of FeO, 0.1 to 5.5 percent of P, 10 to 40 percent of SiO2, 1 to 15 percent of Al2O3, 0.5 to 15 percent of CaO and 0.1 to 10 percent of MgO. The TFe grade of the fine iron powder produced by the invention is higher than 70 percent, and the metal recovery rate is higher than 85 percent; therefore, the invention has the advantages of simple process, high concentrate grade, and high recovery ratio of metallic iron, besides, weak magnetic tailings can be used as cement clinker.

The invention discloses a preparation method of a hydrogenated lithium titanate nano-material. The method comprises the specific steps of: adding titanium dioxide into an aqueous solution of a water-soluble lithium salt, uniformly stirring, then placing the mixture in an enclosed environment and insulating; stopping heating, cooling, conducting pumping the mixture, conducting filtration and washing, and drying to obtain a lithium titanate precursor powder; and calcining the precursor powder in a mixed atmosphere of hydrogen and protection gas to obtain hydrogenated lithium titanate nanometer particles. The hydrogenated lithium titanate nanometer powder electrode material prepared by the method of the invention can be used as a cathode material for preparation of a super capacitor or a lithium battery.

The invention belongs to the technical field of nanogold sensors, in particular to a preparation method and application of a dual function expanded lead refill graphite/nanogold composite electrode. Amild voltage is applied to graphite, so that the edge of the graphite is expanded without stripping to obtain a netlike puffy graphite structure; and then metal nanoparticles are electrically deposited in situ to obtain a composite electrode. A puffed graphene like structure can provide a large specific surface area and a large quantity of binding sites; and the high electrocatalytic capability and plasma characteristic of the gold nanoparticles show excellent performance on the aspects of glucose catalyzation and SERS (Surface Enhanced Raman Scattering) application. The prepared composite electrode solves the problems of poor response stability, low sensitivity and poor reproducibility caused by offline synthesis and later material fixing. The composite electrode has a relatively wide linear range, relatively low detection limit and high reproducibility specific to glucose catalyzation, and has very high SERS response, high sensitivity and high stability specific to probe molecules.