18results about How to "Good stability" patented technology

This invention discloses an online search method for particle spelling variants and properties usable by intelligent agents. The steps are as follows: inputting the baseline spelling of a particle and the constructed particle-specific prompt words into a large language model to generate a core variant corresponding to the particle; integrating the core variant of each particle with the authoritative benchmark information corresponding to the particle to form a full variant set for each particle; each record in the full variant set contains a unique identifier for a particle, a multi-scene benchmark name, a core variant, and extended attributes; dynamically mapping a remotely callable interface set on the server to a local proxy object on the client; after receiving a query request, the local proxy object parses the particle spelling parameters in the query request and performs multi-dimensional spelling matching in the full variant set to realize online search for particle spelling variants and properties. This invention effectively improves the ability of AI intelligent agents to handle domain-specific tasks.

The invention provides an organic compound, a preparation method thereof and an organic electroluminescent device, and belongs to the technical field of luminescent materials, and the organic compound has a structure as shown in a general formula I. The organic compound is used as a luminescent auxiliary material, can effectively improve the luminescent efficiency and stability of the organic electroluminescent device, and has good application prospects. The service life is prolonged, the driving voltage is reduced, and the device is endowed with more excellent comprehensive performance.

The utility model relates to a movable superhigh partition system, including a horizontal hoist in the lower end of building ceiling's hanger rail piece and a plurality of rolling assembly in the trolley piece of hanger rail piece, the lower extreme of trolley piece has a first connecting portion extending to the outside of hanger rail piece, and the first connecting portion is installed with superhigh partition piece, the opposite sides of adjacent two superhigh partition pieces are equipped with the splicing structure of mutual occlusion, the superhigh partition piece is built -in the linkage support piece that can support synchronously to the lower end, to fix in the preset position with superhigh partition piece is sequentially assembled and constitutes the partition system after. The utility model whole partition's sealing performance and stable performance are good after installation, and can effectively improve the fireproof sound insulation performance of space.

The application discloses a dietary fiber composition and a preparation method and application thereof, and relates to the field of food technology.The application provides a dietary fiber composition, which comprises the following components in parts by weight: 10-20 parts of inulin, 15-30 parts of polydextrose, 10-20 parts of galactooligosaccharide, 20-40 parts of isomaltooligosaccharide and 1-5 parts of citrus fiber.The application provides a dietary fiber composition, which is obtained by matching and combining dietary fibers with different viscosities, water-retention properties and gel properties, and has high dietary fiber content, good taste, good stability, high tolerance and the property of helping to improve the health of the gastrointestinal tract.

The invention relates to the technical field of daily chemical products and cosmetics, in particular to a scalp repair composition containing epidermis repair polysaccharide and saccharomycetes lysate. The skin repairing composition is prepared from the following raw materials in percentage by mass: 1 to 5 percent of skin repairing polysaccharide; 1%-5% of a yeast lysate; 1%-10% of PEG-5 (Polyethylene Glycol) glycerate triisostearate; and the balance of cosmetically acceptable matrix. The polysaccharide is mannan which is obtained by fermenting Paenibacillus sp.1538, and the weight-average molecular weight of the mannan is 6.15 * 10 < 6 > Da. The specific ultra-high molecular weight polysaccharide is compounded with the saccharomyces cerevisiae extract, and the low-irritation PEG-5 glycerate triisostearate is introduced, so that the compatibility problem that the high molecular weight polysaccharide is easy to flocculate is effectively solved. The composition can form a film immediately, deeply resist inflammation, relieve and repair a physical barrier of scalp, has an excellent synergistic effect, and solves the problem of scalp chemical stimulation injury caused by a traditional surfactant from the source.

The application relates to a water-depth-adaptive suspension ballast type floating offshore wind power foundation and a use method thereof, and belongs to the technical field of floating offshore wind power generation. The wind power foundation comprises a three-column semi-submersible foundation, a mooring system and a control system. The three-column semi-submersible foundation comprises three vertical columns, a support rod and a ballast caisson. The ballast caisson is connected with a sliding rail arranged on the side wall of the vertical column through a sliding rope, the ballast caisson is moved up and down relative to the vertical column, the position of the ballast caisson is adjusted through the control system, the position of the gravity center of the foundation and the draft are adjusted, different environmental conditions are adapted, and the stability and the overturning resistance are ensured. The use method comprises monitoring environmental conditions, calculating an overturning torque, calculating an overturning resistance torque, adjusting the depth of the ballast caisson and data recording and analysis. The depth required by the ballast caisson to be moved is deduced through the calculation of the overturning torque, so that the gravity center and the floating center of the foundation are kept at a proper position, and the risk of overturning of the foundation is reduced.

The application discloses a shotcrete rebound-reducing agent and a preparation method thereof. The shotcrete rebound-reducing agent is prepared from the following raw materials in mass percentage: 15-30% of a quick-setting component, 2-5% of a viscosity-increasing component, 10-15% of a reinforcing component, 2-5% of an anti-freezing component, 1-4% of a stabilizer, and the rest of water; and the viscosity-increasing component is a combination of polyvinylpyrrolidone and modified carboxymethyl cellulose. The prepared shotcrete rebound-reducing agent has the advantages of good sprayability, high hourly strength, good anti-freezing and stability, and the like, can improve the working performance of shotcrete, reduce the content of a quick-setting agent and significantly reduce the rebound rate of shotcrete, and has good economic benefits.

The invention discloses a preparation method and application of a jatropha curcas seed lipase cross-linked aggregate, and belongs to the technical field of enzyme immobilization. The method comprises the following steps: degreasing jatropha curcas seeds, grinding the jatropha curcas seeds into powder, and extracting with a buffer solution to obtain crude lipase liquid; adding ammonium sulfate into the crude enzyme until the saturation is 50%, and then adding tert-butyl alcohol to form a three-phase system of an upper layer of an organic solution, a middle layer of a zymoprotein solid phase and a lower layer of an ammonium sulfate aqueous solution; after glutaraldehyde is added for cross-linking, centrifuging, washing and drying are performed, and the lipase cross-linked aggregate is obtained. The aggregate is used as a catalyst for hydrolysis reaction of jatropha curcas oil, the reaction is performed for 7 hours under the conditions of 45 DEG C and pH 6, and the hydrolysis rate can reach 86%. The preparation method is simple, the enzyme activity recovery rate is high, and the obtained catalyst is good in stability, can be repeatedly used, still keeps high catalytic activity after being continuously used for five times, and is suitable for industrial processes such as grease hydrolysis.

The application relates to the field of aluminum electrolytic capacitors, and discloses a high-temperature-resistant aluminum electrolytic capacitor and a preparation process thereof. The high-temperature-resistant aluminum electrolytic capacitor comprises a shell, a capacitor core and a rubber plug, the capacitor core is accommodated in the shell, the rubber plug is used for sealing the shell, the capacitor core is prepared by immersing a core body in a high-temperature-resistant electrolyte, the core body is formed by winding an anode aluminum foil, a cathode aluminum foil and electrolytic paper, and the electrolytic paper is arranged between the anode aluminum foil and the cathode aluminum foil; the high-temperature-resistant electrolyte is prepared from the following raw materials in percentage by weight: 55-64% of a solvent, 20-30% of a solute, 4-8% of a stabilizer, 3-4.5% of a glycidyl ester substance, 2-4% of a flash voltage enhancer, 1.5-3.5% of a corrosion inhibitor and 0.5-1% of a hydrogen removal agent. The aluminum electrolytic capacitor has good high-temperature resistance, good charge storage and release stability, and good reliability and stability in long-term use in a high-temperature environment.

This invention discloses a novel reverse transcriptase and its applications. The amino acid sequence of the reverse transcriptase is selected from any of the amino acid sequences shown in SEQ ID NO: 1 to SEQ ID NO: 19, or, obtained by mutating one or more amino acids of any of the above sequences, resulting in an amino acid sequence with at least 85%, 90%, or 95% identity to the original sequence and possessing reverse transcription activity. The genome-guided editing system containing the reverse transcriptase of this invention further includes a nucleic acid-programmable DNA-binding protein and pegRNA. Both the reverse transcriptase and the genome-guided editing system containing it can be used to target and modify the plant cell genome or to cultivate plants with genome modifications. This invention effectively overcomes the dependence of existing guided editing systems on single-structure chassis enzymes, thereby providing a rich reserve of underlying components for crop molecular design breeding.

This invention provides a powder conveying pipe chain system, including a tank truck unloading conveyor line, a ton bag feeding conveyor line, a rotary control valve, a feeding hopper, and an elevator pipe chain conveyor. The rotary control valve is connected between the tank truck feeding pipe and the feeding hopper. When the rotary control valve malfunctions, the ton bag feeding conveyor line can still operate normally, thereby maintaining continuous production. Therefore, this invention provides a pipe chain system that can achieve two feeding methods without interference, and its operability and stability are better than existing solutions.

The present application belongs to the technical field of tooling fixture, and discloses a stop block, a stop block preparation method and a fixture. The stop block comprises a base piece, a protection piece and a connecting assembly. The base piece is arranged on a base. The protection piece comprises a mounting cavity, and the base piece can be embedded in the mounting cavity. The protection piece is used for abutting against a product. The base piece and / or the protection piece are detachably connected with the base through the connecting assembly. The base piece is embedded in the mounting cavity of the protection piece. Compared with a 0.1mm-thick Teflon tape or flannelette, the protection piece can provide better buffering performance. Even if the product contacts the stop block with great force or angular deviation, the damage to the product can be effectively reduced. The protection piece can withstand frequent product contact and friction, has good wear resistance and is not easy to break. The protection piece can be used for a long time without maintenance and replacement, thereby reducing the working strength of workers, reducing material costs, and having a positive impact on production efficiency and economic benefits.

The application discloses a preparation method and product of a thromboelastography rapid detection cup reagent, and comprises the following steps: adding purified water into washed or calcined kaolin, adding glycine, mannitol, dextran and bovine serum albumin while stirring, and then adding a Tris-HCl system to adjust the pH to 6.5-7.8; finally, adding a recombinant lipidized tissue factor and uniformly stirring to obtain the reagent; wherein, the content of the washed or calcined kaolin is 0.01-0.8% based on 100% of the mass of each raw material, the content of the glycine is 2-6%, the content of the mannitol is 4-8%, the content of the dextran is 2-6%, the content of the bovine serum albumin is 0.2-5%, the content of the recombinant lipidized tissue factor is 0.2-1.5%, and the balance is made up to 100% by the purified water. The application provides a preparation method of the thromboelastography rapid detection cup reagent, and the prepared reagent can be stored for a long time, has good stability, and has good freeze-drying form and solubility.

The application discloses a remote sensing image water body and shadow classification method based on a double classification attention network, relates to the technical field of remote sensing image analysis and geographic information processing, and comprises the following steps: preprocessing a Sentinel-2 original image to generate a multi-band composite image with a predetermined resolution; calculating a normalized water index and extracting a brightness channel to respectively generate a water body mask and a shadow mask, constructing a sample set, and dividing the sample set into a training set and a verification set; constructing a double classification attention network model based on the training set, and optimizing and training the model; using the trained double classification attention network model to perform sliding window reasoning on the multi-band composite image, fusing and splicing the predicted binary mask, and outputting a double-band water body / shadow binary mask image. The application can effectively overcome the interference of ice and snow shadow areas on the water body recognition result, and has better robustness and stability.

The present application relates to a kind of carbon nanotube-Fe base hydrogen production electrocatalyst and application, belong to water electrolysis hydrogen production technical field.The present application is mainly realized by the following steps: one, current collector surface pretreatment;Two, solvothermal synthesis Fe base precursor;Three, in situ preparation carbon nanotube-Fe base electrocatalyst under chemical vapor deposition;Four, electrochemical in situ activation.The present application proposes carbon nanotube-Fe base composite electrocatalytic structure in situ construction on the surface of conductive current collector for the first time.Under the synergistic effect of each parameter in preparation process, the obtained structure not only can give full play to the conductive and structural advantages of carbon nanotube, but also can regulate the electronic structure of Fe base active site through interface coupling effect, so as to significantly improve the performance of water electrolysis hydrogen production.Compared with prior art, in situ preparation electrocatalyst is in situ bonded with current collector and has good dispersibility, and carbon nanotube-Fe base electrocatalyst is conducive to forming conductive network and improving electrocatalytic efficiency.

The utility model provides a kind of drill bushing for deep hole drill, including drill bushing main part: two installation grooves are set in the inside of drill bushing main part, the inside wall of two installation grooves is fixedly connected with limit rod on one side, the outer surface of two limit rods is slidably connected with sliding frame, the side of two sliding frames is apart from each other and is equipped with a plurality of threaded holes.The utility model can adjust the position of drill bushing mounting seat by the cooperation of installation groove, limit rod, sliding frame, threaded hole and fixed assembly, so that the distance between drill bushing mounting seat and drill bushing main part changes, can adapt to drill bit of different length, improve the applicability and use range of drill bushing, and when using drill bit of different length, the adjusted drill bushing mounting seat can provide optimal support and stability, ensure the accurate positioning of drill bit in deep hole drilling process, greatly improve drilling accuracy.

The utility model provides a fixing structure and a photovoltaic assembly, and relates to the technical field of photovoltaic parts, and the fixing structure comprises a pressing block and a connecting rod. The two opposite ends of the pressing block body are connected with a first connecting piece and a second connecting piece respectively, the first connecting piece is provided with a first through hole, and the second connecting piece is provided with a second through hole. A first limiting part and a second limiting part are arranged at the two opposite ends of the connecting rod correspondingly, and the connecting rod can penetrate through the first through hole and the second through hole correspondingly. And when the connecting rod is rotated, the first limiting part is clamped with or separated from the hole wall of the first through hole, and the second limiting part is clamped with or separated from the hole wall of the second through hole. The pressing block provided by the utility model is applied to the installation of the photovoltaic assembly, enables the first connecting piece, the second connecting piece and the pressing block body to limit the photovoltaic assembly together, has better self-locking stability and pretightening force, achieves the installation and disassembly of the fixing structure, is more flexible in disassembly and assembly, and further improves the installation efficiency of the fixing structure.

The present application relates to a kind of catalysts for sodium borohydride hydrolysis hydrogen production, especially a kind of CoB / NF sodium borohydride hydrolysis catalyst, preparation method and application.The preparation method includes the following steps: using cobalt chloride hexahydrate and sodium borohydride to prepare CoB powder catalyst;The CoB powder catalyst is mixed with binder PVDF, and NMP is added to form slurry;The slurry is coated on foam nickel support substrate, then by annealing treatment to remove NMP solvent, obtain CoB / NF composite material.The preparation method is simple, easy to scale production, the prepared catalyst has excellent stability, high catalytic activity, preparation cost is lower, in the field of sodium borohydride rapid hydrolysis hydrogen production has good application prospect.