60results about How to "Reduce the difficulty of preparation" patented technology

The invention discloses a foam-like fracturing system, which comprises a base liquid, an acid liquid and a gel breaker, wherein a weight ratio of the base liquid to the acid liquid to the gel breaker is 10:0.8-1.5:0.002-0.006. The invention further discloses a foam-like fracturing liquid preparation method, which comprises the following steps: S1, preparing a cross-linking agent, S2, preparing a base liquid, and S3, preparing an acid liquid. The invention further discloses a foam-like fracturing liquid filling method. According to the present invention, functions similar to the conventional foam fracturing liquid are provided, heat and gas can be automatically generated under a stratum condition, integration of automatic gas generation, acid cross-linking and the foam-like structure is achieved, the structure viscosity is stable, sand carrying capacity of the fracturing liquid can further be enhanced, filtration loss resistance is strong, intrusion damage on the stratum can be effectively reduced, a water lock effect can be effectively reduced, the guar gum use amount and the fracturing liquid base liquid preparation difficulty are effectively reduced, and effects of excellent sand carrying, gel breaking, low damage and cleanup are provided.

The invention discloses a preparation technique for a NbTiTa/Cu superconductive wire rod, which is characterized in that: in this technique, a NbTi alloy plate, a Ta plate and a Nb obstruction layer are assembled integrally in a composite after acid washing and cleaning; the NbTi alloy plate and the Ta plate are interlaced alternatively in a copper clad wrap and then processed via vacuum sealing, hot isostatic pressing and hot extrusion; the extruded composite will undergo secondary assembly, vacuum sealing and hot extrusion after acid washing, drawling and cutting; then, undergo ageing heat treatment and drawing, so as to make a NbTiTa/Cu superconductive wire rod with certain wire diameter, core diameter, core number and copper ratio, or; the composite with secondary extrusion will undergo third assembly, vacuum sealing and hot extrusion after acid washing, drawing and cutting; then, conduct ageing heat treatment and drawing for third composite to make NbTiTa/Cu superconductive wire rod. Therefore, the invention is able to simplify the preparation technique of NbTiTa/Cu superconductive wire rod, shorten the wire rod preparation period by 40 per cent and lower down the cost by 30 per cent.

The invention discloses a compound gel material special for marine concrete, a production method and an application thereof. The compound gel material is prepared from 20-60% of clinker, 30-70% of granulated blast-furnace slag, 5-15% of gypsum and 5-30% of industrial residue. The method comprises the following steps: while producing, milling clinker, gypsum and industrial residue till the specific surface area is 320-380m2/kg; milling the granulated blast-furnace slag into mineral powder with the specific surface area of not less than 420m2/kg; uniformly mixing all the powder, thereby acquiring the compound gel material. Compared with the marine concrete prepared according to the traditional method, the high corrosion resistance marine concrete adopting the compound gel material provided by the invention has better working performance, mechanical property and chloride ion erosion resistance.

The invention discloses a white organic electroluminescent with structure optimization, comprising a substrate, an anode layer, a cathode layer and an organic function layer between the anode layer and the cathode layer, the anode layer or the cathode layer is positioned on the substrate, and the organic function layer gives off white light driven by the external power supply. The invention is characterized in that the organic function layer comprises a hole transport layer, a doped layer, a blue light emitting thin layer and a hole blocking layer, the arrangement structure is that the hole transport layer, the doped layer, the blue light emitting thin layer and the hole blocking layer arrange successively on the direction far from the substrate, wherein, the material of the hole transport layer and the host material of the blue luminescence thin layer and the doped layer is the blue luminous material, and the dye of the doped layer is yellow, orange or red organic luminous dye. The component has the advantages of simple and reasonable structure, realization of high-efficiency white light emission only by three organic materials and a doping process, reduction on cost of raw material, and being more suitable for industrial production.

The invention discloses a method for preparing a bipolar transistor of a silicon carbide insulated gate of a groove gate. The method mainly solves the problem that an existing bipolar transistor of a silicon carbide insulated gate is extremely high in preparing cost. The method comprises the steps that 1, a P-type carbide silicon substrate with good structural performance is selected, cutting and thinning are conducted on the back face of the substrate, and an oxide cutting face is polished; an N well region, an N+ body contact region and a P well region are sequentially formed on the front face of the substrate through ion implantation; 3, grooves are etched in the front face of the substrate, a groove gate oxide layer then grows, polycrystalline silicon deposition is conducted, and the grooves are filled with polycrystalline silicon; 4, ions on the back face of the substrate are implanted into a buffering layer and a collector region; 5, high-temperature annealing is conducted and implanted impurities are activated; 6, a device electrode is prepared. Compared with an existing method, a pressure-resistant layer with over-thick epitaxial is not needed, a large amount of production cost is reduced, the technical processes are simplified, and the method can be applied to the fields of inverters, switching mode power supplies and lighting circuits.

The invention relates to a preparation method of a niobium diselenide (NbSe2) or niobium disulphide (NbS2)/carbon wear-resistant nano composite material. According to the preparation method, solid-phase method is adopted to prepare the niobium diselenide or niobium disulphide/carbon wear-resistant nano composite material. The preparation method comprises following steps: niobium powder, selenium powder or sulfur powder, and graphite powder are weighed and added into a dispersion medium, and an obtained mixture is mixed via magnetic stirring; the mixture is allowed to stand, a supernatant is removed, and an obtain product is dried; the product is heated at a temperature increasing speed of 10 DEG C/min, thermal preservation reaction is carried out, the product is collected, and is subjected to natural cooling to room temperature so as to obtain the NbSe2/graphite composite material or the NbS2/graphite composite material. Beneficial effects are that: the niobium diselenide or niobium disulphide/carbon wear-resistant nano composite material is prepared via solid-phase method, so that pollution caused by traditional liquid-phase method is reduced, and the preparation method is green and friendly to the environment; preparation difficulty of NbSe2 or NbS2 is reduced, nano material preparation cost is reduced effectively, and application prospect of NbSe2 or NbS2 in machinery industry is improved; the prepared niobium diselenide or niobium disulphide/carbon wear-resistant nano composite material possesses excellent antifriction performance.

The invention discloses a double-band infrared detector assembly. According to the invention, two infrared detector chips with different response bands are integrated in one Dewar, thereby obtaining the completely synchronous infrared radiation information of a target at two bands in a space, achieving the effective inhibition of a complex background, remarkably reducing the false alarm rate, and greatly improving the target recognition capability.

The invention discloses an Euler video color amplification method based on deep learning. The method comprises two steps of obtaining a color amplification network and calling the color amplification network. The method comprises the first step of synthesizing a picture data set for simulating a tiny color change, and training a color amplification network constructed by a spatial decomposition module, a differential filtering module, an amplification processing module and an image reconstruction module on the data set; during operation, optimizing a FIR band-pass filter, and replacing the FIR band-pass filter with a differential filtering module of the network; and the step 2 of, when color amplification processing is carried out according to a given input video, decomposing the video into a frame sequence, generating a color amplification frame sequence by calling the color amplification network, and finally synthesizing a color amplification video. Compared with a linear amplification method, the method has the advantages that a deep learning model is used in the first step, the training process is automatic, and tedious manual design is omitted; and through processing in the step 2, noise is greatly reduced, artifacts cannot be generated in a dynamic scene, and the amplification effect is enhanced.

The invention discloses a microbial limit detection method of cross-linking or high molecular hyaluronic acid type substances. The method comprises the steps of performing enzymolysis treatment on thecross-linking or high molecular hyaluronic acid type substances to be detected under the condition of low temperature and weak acid, so as to reduce the stickiness of the solution of the cross-linking or high molecular hyaluronic acid type substances; and preparing a detection solution from enzymatic hydrolysate with reduced stickiness, so as to realize microbial limit detection of samples to bedetected. The samples to be detected under the condition of low temperature and weak acid are treated, so that the stickiness of the detection solution can be reduced, the difficult problems that thecross-linking or high molecular hyaluronic acid type substances are low in solubility of solid powder and difficult to uniformly coat on the surface of a plating medium in a detection course, and thetrue data of microbial limit cannot be obtained, are solved, and a convenient and effective detection method is provided for microbial limit detection of the cross-linking or high molecular hyaluronicacid type substances.

A synthetic method for Cu2ZnSnS4 photosensitive thin-film material is characterized by comprising the following steps: dissolving blue vitriol crystal, white vitriol crystal and dihydrate tin sulphate crystal in alcohol organic solvent to obtain solution A with the molarity of zinc sulfate of 5-15 millimole/L; placing the solution A in a flask and heating up to the temperature of 170-210 DEG C, and inletting argon into the solution A simultaneously while heating; after the heating, dropwise adding sodium sulphide solution into the solution A, still standing and natural cooling to obtain solution B generating Cu2ZnSnS4 nano-particles; heating the solution B up to the temperature of 80-120 DEG C, dropwise adding dispersing agent, still standing and cooling, wherein the obtained solution B is divided into an upper layer and a lower layer, and the upper layer black liquid is Cu2ZnSnS4 nano solution, and manufacturing the separated black liquid of Cu2ZnSnS4 nano solution into thin films.

The invention provides a transparent OLED alloy cathode, a manufacturing method thereof and a transparent OLED device. The alloy cathode is Ag and Al alloy, the mass ratio of Ag to Al is 75-80% to 25-20%, the best thickness of the Ag and Al alloy is 75 nm, and Ag and Al adopt a vacuum melting method to be melted in a quartz glass tube in a vacuum condition and are naturally cooled to form the alloy. The Ag and Al alloy cathode of the invention can improve the electron injection capability of the cathode, the performance is better than a single metal cathode OLED device, and the cathode can be applied to the transparent OLED; and the Ag and Al alloy can be evaporated through only one tungsten boat, while the operation difficulty is reduced, the film thickness is easier to be controlled, and the device structure is optimized.

The invention discloses a method for preparing a punch-through type silicon carbide insulated gate bipolar transistor. The method mainly solves the problem that at present, the preparing cost of the silicon carbide insulated gate bipolar transistor is too high. The method comprises the implementing steps that (1) a P-type silicon carbide substrate with good structural performance is selected, the back surface of the substrate is cut and thinned, and a cut surface is polished and oxidized; (2) an N well region, an N+ body contact region, a JFET region and a P+ emitter region are formed on the front surface of the substrate in sequence through ion implantation; (3) ion implantation is carried out on a buffer layer and a collector electrode region on the back surface of the substrate; (4) high temperature annealing is carried out, activation is carried out, and dopants are implanted; (5) a grid oxidation layer is grown and etched on the front surface of the substrate, and a polysilicon gate is deposited on the front surface of the substrate; (6) metal deposition and photoetching are carried out on the front surface and the back surface of the substrate, and electrodes are led out. Compared with an existing method, the epitaxial growth of an over-thick withstand voltage layer is not needed, a large amount of production cost is saved, processing steps are simplified, and the method can be applied to the fields of inverters, switch power supplies and illumination circuits.

The present invention discloses a preparation method of plan-view TEM sample used in an integrated circuit analysis. The method comprises the steps of: providing a carrying slice, and fixing a chip containing a targeted structure sample and the carrying slice on a sample holder in a horizontal direction, and putting them in a process chamber of a FIB apparatus; cutting off a piece of chip structure containing a target structure sample by adopting a FIB; and welding the piece of chip structure on the flat and clean side of the carrying slice by using a nano-manipulator; after being taken out from the process chamber of the FIB apparatus, the carrying slice welded with the chip structure is adjusted to vertical direction, and is put in the process chamber of the FIB apparatus again; transferring and welding the chip structure on the TEM copper grid by using the nano-manipulator; and removing one layer or multiple layers above the preset target layer from the surface layer of the chip by using the FIB to obtain the desired plan-view TEM sample.

The invention discloses a touch panel and a touch device. The touch panel comprises a first touch electrode layer and a second touch electrode layer which are arranged in a different-layer insulationmode; the first touch electrode layer comprises multiple first touch electrodes arranged in parallel, the second touch electrode layer comprises multiple second touch electrodes arranged in parallel,and the extension direction of the first touch electrodes and the extension direction of the second touch electrodes intersect; the first touch electrodes and/or the second touch electrodes are targettouch electrodes, and the target touch electrodes are formed by adopting transparent conducting materials with sheet resistance lower than a preset value; the target touch electrodes are each of a grid structure. According to the technical scheme, on the premise of meeting the low impedance requirements of a large screen touch screen on the touch electrodes and the overall high light transmissionrequirements, the preparation difficulty of the touch electrodes is reduced.

The invention provides an electroforming composite material and a preparation method thereof, which relate to the technical field of electrodeposition and composite materials. The metal-based composite material comprises a deposited metal layer and a composite material layer which are arranged in a stacked mode. The composite material layer is formed by a carbon fiber composite material; wherein aconnecting part is arranged on the surface, facing the composite material layer, of the deposited metal layer, a connecting groove is formed in the position, corresponding to the connecting part, ofthe surface, facing the metal layer, of the composite material layer, and the connecting part is located in the connecting groove, so that the metal layer is fixedly connected with the composite material layer. The layer structure of the metal-based composite material can be firmly attached into a whole, and the metal-based composite material has good surface quality.

The invention provides an OLED alloy cathode and a preparation method thereof. The OLED alloy cathode is Ca, Mg, Al ternary alloy. The Ca, Mg, and Al are mixed according to a ratio of Ca: Mg: Al = 15%: (5%-25%): (80%-60%) and are formed by being melted through a vacuum melting method in a quartz glass tube under the vacuum condition and being cooled naturally. The Ca-Mg-Al alloy cathode is improved in emissive capability and superior to a Ca: Al alloy cathode OLED device, and can be evaporated by one evaporation boat. As a result, not only is difficulty in operation reduced, but also a film thickness is easier to control and a result is more accurate.

Provided are a flexible substrate, a manufacturing method thereof and a touch display panel. The touch display panel includes a flexible substrate, a driving element layer, an organic light emitting functional layer and thin film encapsulation layer located on the flexible substrate. The flexible substrate includes at least two flexible substrate layers and a touch circuit disposed between the at least two flexible substrate layers. A thickness of the touch display panel can be reduced to improve a production yield of the touch display panel.

The invention relates to a method for rapidly preparing multi-dimensional fluorescent nanoparticles and quantitatively characterizing the dynamic dispersion state of the multi-dimensional fluorescentnanoparticles in situ. Fluorescein with aggregation-induced emission properties is quickly grafted to the surfaces of the multi-dimensional nanoparticles by utilizing continuous microwave radiation, and the multi-dimensional fluorescent nanoparticles with relatively high fluorescence intensity and fluorescence stability are simply and efficiently prepared in an environment-friendly manner. The method is based on an aggregation-induced emission principle and a fluorescence tracing principle. A fluorine krypton laser device and a laser confocal scanning microscope are combined to carry out online ultraviolet curing on the resin mixed solution, the respective dynamic dispersion states of the multi-dimensional fluorescent nanoparticles in the resin mixed solution in the online in-situ monitoring and curing process are realized, and the fractal coefficients of the multi-dimensional fluorescent nanoparticles are efficiently, quantitatively and automatically calculated online by further adopting a fractal dimension theory on the basis of the respective dynamic dispersion states. The method has important significance in controlling the optimal curing condition, researching the structure-property relationship of the nano composite material and finely preparing the high-performance composite material.

The invention discloses an aqueous colorful printing ink specially used for paper for daily use, and a preparation method thereof. The aqueous colorful printing ink specially used for paper for dailyuse is composed of, by weight, 5 to 10.5 parts of a binder, 0.4 to 6 parts of an edible natural pigment, 1 to 6 parts of powdery active carbon, and 40 to 100 parts of deionized water. According to thepreparation method, the edible natural pigment, and the binder are uniformly mixed with deionized water respectively, and then are mixed so as to obtain the aqueous colorful printing ink specially used for paper for daily use. Deionized water is taken as a solvent, so that using of toxic organic solvents is avoided, and aqueous printing ink safety is improved; the edible natural pigment is adopted, so that environment protection safe using requirements are satisfied; product preparation difficulty is not high, and the preparation method is suitable for on-site large batch production; the obtained product is excellent in permeability and bonding force, decolouring is not easily caused, and the aqueous colorful printing ink can be used for pattern printing, coating, spray coating, multilayer bonding, and the life of paper for daily use.

The invention discloses a polarization-independent super lens and a design method thereof. The polarization-independent super lens comprises a substrate layer and a metasurface layer for realizing geometric phase modulation; the metasurface layer comprises a plurality of unit structures for realizing convergence of left-handed circularly polarized light and a plurality of unit structures for realizing convergence of right-handed circularly polarized light, and the plurality of unit structures for realizing convergence of left-handed circularly polarized light and the plurality of unit structures for realizing convergence of right-handed circularly polarized light are arranged in a crossed manner; geometric phase modulation is achieved through the unit structures without rotational symmetry. Polarization-independent convergence is achieved, incident light of any polarization can be converged, and polarization processing does not need to be conducted on the incident light.

The invention discloses an intelligent office tea table. A table edge is arranged below a table top, a table top is nested on a table body, a clamp cabinet is arranged in the middle of one longitudinal side of the table top, loose leaf drawers and whole can drawers with the same size are arranged on two sides of the clamp cabinet, a tea set cabinet is arranged on the other side of the table top adjacent to the longitudinal side, cabinet doors of the clamp cabinet and the tea set cabinet are both arranged on the top surface of the table top, and an electric water furnace is arranged at the middle portion of the table top. The beneficial effects of the intelligent office tea table are that: when the intelligent office tea table is in use, a movable plate is pulled out, a bucket is obliquelyplaced on the movable plate, the bucket neck part of the bucket leans against a concave block, the bucket body at the other end abuts against a bent plate, the bucket body of the large bucket can be well attached to the side wall of a cambered surface plate through the cambered surface bent plate, the water bucket is more stable after being placed through a pressing groove formed in the surface ofthe movable plate, the intelligent office tea table is easy to understand in structure, low in manufacturing difficulty, good in using effect and easy to popularize, and various problems existing inan existing product can be effectively solved.

The invention belongs to the technical field of poultry farming, and particularly relates to a feed preparation method for improving performance of laying hens in the egg laying period. The problem that in the prior art, the feeding scheme is single in the egg laying period, and consequently the nutritional needs of the laying hens cannot be met at different laying stages and in different laying seasons is solved. As for the current situation, the invention provides the feed preparation method suitable for the egg laying period of the laying hens, the feed preparation method is called as an N+2-2 package, that is, the calculated amount of a nutritional fortifier is added into pre-mixed feed, meanwhile, the corresponding daily ration addition is decreased, and farmers can change the type ofthe nutritional fortifier according to the egg laying stages. Through the research, it is shown that through the laying hen feed prepared through the scheme, the high yield and stable yield of the laying hens can be achieved, the environment-friendly farming requirements for low-protein daily rations can also be met, the energy saving and environmental protection effects are achieved, and the method is simple, convenient and easy to implement and has generalization significance.

The invention relates to the technical field of aluminum alloy production, and particularly relates to a material for adjusting trace elements for aluminum of an external coating solvent and a preparation method thereof. The material and the preparation method thereof have the advantages that the preparation difficulty can be lowered, in addition, the pollution to the environment can be reduced, and intermediate metal and metal additives can be replaced; and the material is prepared by mixing and then drying a special solvent, an adhesive, pure titanium scraps, manganese sheets and copper wires.

The invention discloses a method for generating a Chinese style report, which comprises the following steps of: establishing a report data set according to acquired data; establishing a plurality of sub-reports according to the local regularity of the reports, and binding the corresponding data sets to the sub-reports respectively; setting sub-report data association and sub-report layout alignment attributes; writing a data calculation expression to the cells to complete a report template; and running the report template to obtain an actual report. Compared with the prior art, the method hasthe advantages that sub-tables are associated, so that the data preparation difficulty is reduced; the sub-tables are aligned, so that the report layout is not damaged due to expansion; data referenceis easy, and report operation is easy to achieve.