22 results about "Binary compound" patented technology

The invention relates to the technical field of compositions of high-molecular compounds, and particularly discloses a preparation method of a sodium caseinate-epigallocatechin gallate-iron ion ternary complex as well as a product and application thereof. The preparation method comprises the following steps: S1, adding EGCG (epigallocatechin gallate) into an SC solution, and stirring in a shading environment to obtain a binary compound; s2, adding a FeCl3. 6H2O solution into the binary compound, and stirring in a shading environment to obtain a ternary compound; wherein in the ternary complex, the mass ratio of SC to EGCG to Fe < 3 + > is (10-14): 1: (2-4). According to the preparation method disclosed by the invention, the stable ternary complex can be prepared, the ternary complex utilizes the metal phenolic network to modify the sodium caseinate, and a high internal phase emulsion formed after the sodium caseinate is loaded with the beta-carotene can show excellent stability and relatively high encapsulation efficiency, so that the bioavailability of the beta-carotene can be remarkably improved.

The application relates to a salt-resistant oil displacement system for alkali-free binary compound flooding and a preparation method and application thereof, and belongs to the technical field of oil production. The oil displacement system is composed of the following components: 0.1-0.5 wt% of amino silane coupling agent modified xanthan gum, 0.1-0.5 wt% of a surfactant, 0.05-0.2 wt% of a high-temperature stabilizer, 0.05-0.1 wt% of chitosan quaternary ammonium salt, 0.05-0.1 wt% of silane coupling agent modified nano silicon dioxide, and the balance of water; the high-temperature stabilizer is one or more of polyvinyl alcohol, polyethylene glycol and polypropylene glycol. The oil displacement system provided by the application is compounded by taking xanthan gum as a core compound and a surfactant, is an oil displacement system for alkali-free binary compound flooding, utilizes the high-salt resistance of xanthan gum, and improves the defects of poor water solubility, easy decomposition at high temperature and easy degradation by bacteria, and has obvious improvement in profile control performance and can be used in a high-salt high-temperature environment.

The invention relates to the technical field of optical materials, in particular to a boron-containing quantum dot and a preparation method thereof, an optical component and electronic equipment. The boron-containing quantum dot comprises a core layer and a shell layer coating the core layer, at least one of the core layer and the shell layer includes boron and a Group II-VI semiconductor compound. The boron is doped into at least one of the core layer and the shell layer in an interlattice doping manner, and in the core layer and / or the shell layer, the boron is connected with non-metallic elements in the II-VI group semiconductor compound through chemical bonds. The boron-containing quantum dot further comprises an adsorption layer located on the surface of the shell layer, and the adsorption layer comprises boron. The II-VI group semiconductor compound comprises at least one of a II-VI group binary compound, a II-VI group ternary compound and a II-VI group quaternary compound. The thermal stability of the quantum dot material can be improved.

The embodiment of the invention relates to the technical field of binary compounds of nitrogen and metal, in particular to a preparation method of a uranium nitride pellet and the uranium nitride pellet. The invention provides a uranium nitride pellet preparation method which comprises the following steps: arranging uranium nitride powder in a reaction region, and inputting a mixed gas containing a nitrogen element into the reaction region; heating the reaction area to a first preset value within first preset time, and enabling the uranium nitride powder to react with the mixed gas to obtain a reaction product; controlling the temperature of the reaction area, enabling the uranium nitride powder to fully react with the mixed gas, and enabling the nitrogen-uranium molar ratio of a reaction product to reach a preset value; and granulating and sintering the reaction product to obtain the uranium nitride pellet. The invention further provides the uranium nitride pellet. By using the method provided by the invention, the nitrogen-uranium molar ratio of the uranium nitride pellet can be accurately controlled, the crystal structure, heat conductivity and radiation stability of the uranium nitride pellet are optimized, and it is ensured that the uranium nitride pellet meets the performance requirements of serving in different nuclear reactors.

The embodiment of the invention relates to the technical field of binary compounds of nitrogen and metal, in particular to a preparation method of uranium nitride pellet fuel and the uranium nitride pellet fuel. The invention provides a preparation method of uranium nitride pellet fuel, which comprises the following steps: treating molybdenum-niobium metal powder to coat a zirconium coating on the molybdenum-niobium metal powder; preparing uranium oxide particles with uniform particle size; the uranium oxide particles react with ammonia gas, and uranium nitride particles are obtained; molybdenum-niobium alloy powder and uranium nitride particles are mixed, and the molybdenum-niobium alloy powder and the uranium nitride particles are evenly distributed in the obtained mixture; sintering the mixture to enable the obtained pellet to form a compact structure; and molding the pellet to obtain the uranium nitride pellet fuel. The invention further provides the uranium nitride pellet fuel. According to the method for preparing the fuel, on the premise that efficient combustion of the fuel can be guaranteed, the damage resistance of the fuel under the intense radiation condition can be improved, irradiation swelling of the fuel is reduced, the low release property of the fuel is guaranteed, and the application requirement in a space nuclear reactor is fully met.

The embodiment of the application relates to the technical field of binary compounds of nitrogen and metal, and particularly relates to a preparation method of uranium nitride particle fuel and the uranium nitride particle fuel. The application provides a preparation method of uranium nitride particle fuel, which comprises the following steps: treating molybdenum-niobium metal powder, so that the molybdenum-niobium alloy powder is coated with a zirconium coating; preparing uranium oxide particles with uniform particle size; reacting the uranium oxide particles with ammonia to obtain uranium nitride particles; mixing the molybdenum-niobium alloy powder and the uranium nitride particles, so that the two are uniformly distributed in the obtained mixture; sintering the mixture, so that the obtained compact is formed into a dense structure; and forming the compact to obtain the uranium nitride particle fuel. The application also provides a uranium nitride particle fuel. The fuel prepared by the method of the application can improve the damage resistance of the fuel under strong radiation conditions, reduce the irradiation swelling of the fuel, ensure the low release of the fuel, and fully meet the application requirements in space nuclear reactors.

This application provides a method for preparing a binary compound, comprising: step S1: forming a first thin film and a second thin film on a substrate; step S2: forming binary compounds with different phase ratios by chemical vapor deposition of the first thin film and the second thin film, wherein, in step S1, the content of the first thin film and the second thin film is controlled by the thickness of the first thin film and the second thin film, and in step S2, the generation of binary compounds with different phase ratios is controlled by controlling the thickness ratio of the first thin film and the second thin film. The method for preparing a binary compound provided by this invention can achieve large-area controllable phase transition of the binary compound.

An evaporation boat, a preparation method therefor and the use thereof. The evaporation boat comprises an evaporation boat base body (11) and a coating (12) covering the surface of the evaporation boat base body (11), wherein the evaporation boat base body (11) comprises a tungsten-boron binary compound, the tungsten-boron binary compound comprising one or two of WB and W2B5, and the coating (12) comprises TiAl3.

The invention provides a method for recovering germanium-selenium-arsenic and arsenic-selenium-chalcogenide glass cold working mixed chips, which utilizes the physicochemical properties of all components in the germanium-selenium-arsenic and arsenic-selenium-chalcogenide glass cold working mixed chips, introduces a segmented vacuum fractionation process, and enables water, oil and other low-boiling-point pollutants in raw materials to be recycled at different heating and condensing temperatures, so as to obtain the germanium-selenium-arsenic and arsenic-selenium-chalcogenide glass cold working mixed chips. The arsenic-selenium compound and the elementary substance enter a gas phase in sequence, and separation from the Ge-Se binary compound and the high-boiling-point impurities is achieved; the fractionation residue Ge-Se binary compound is subjected to oxidizing roasting, germanium concentrate and coarse selenium dioxide are obtained, the direct recovery rate of germanium reaches 96.5%, and the comprehensive direct recovery rate of selenium reaches 97.8%. The method effectively solves the problem of difficult recovery of germanium-selenium-arsenic and arsenic-selenium chalcogenide glass cold processing mixed chips, realizes green and efficient cyclic utilization of rare and precious metal elements in the material, is simple in process and environment-friendly, and provides support for benign development of the chalcogenide glass industry in China.

The present application relates to an evaporation boat, a preparation method therefor, and a use thereof. The evaporation boat comprises an evaporation boat matrix and a single coating covering the surface of the evaporation boat matrix; the single coating comprises a first material and a second material; the first material includes MoB / CoCr cermet; the second material includes a tungsten-boron binary compound; and the tungsten-boron binary compound comprises one or two of WB and W2B5.

The embodiment of the invention relates to the technical field of binary compounds of nitrogen and metal, in particular to a method for controlling the content of carbon and oxygen impurities in nitride fuel and the nitride fuel. The invention provides a method for controlling the content of carbon and oxygen impurities in nitride fuel, which comprises the following steps: placing uranium dioxide powder in a reaction area, and introducing hydrogen to enable the molar ratio of oxygen to uranium in a reaction product to reach a preset value; mixing the reaction product with metal uranium powder and carbon powder to obtain a mixture; the mixture is placed in a nitriding area, nitrogen is input, temperature control and pressure control are conducted on the nitriding area, and the carbon content in the obtained nitride powder is reduced to a preset value; and mixing the nitride powder and the metal uranium powder, and then sintering, so that the oxygen content of the nitride fuel obtained by sintering is reduced to a preset value. The invention provides a nitride fuel. According to the method, the content of carbon and oxygen impurities in the nitride fuel can be accurately controlled, the high-purity nitride fuel is prepared, and the in-pile service performance of the nitride fuel can be improved.

An evaporation boat, a preparation method therefor and the use thereof. The evaporation boat comprises an evaporation boat base body (11) and a coating (12) covering the surface of the evaporation boat base body (11), wherein the evaporation boat base body (11) comprises a tungsten-boron binary compound, the tungsten-boron binary compound comprising one or two of WB and W2B5, and the coating (12) comprises TiAl3.

The present application relates to a p-type Bi 0.5 Sb 1.5 Te3-based thermoelectric material, thermoelectric refrigeration device and preparation method and application thereof, the p-type Bi 0.5 Sb 1.5 Te3-based thermoelectric material, the chemical formula of the p-type Bi 0.5 Sb 1.5 Te 3‑x I x Wherein, 0≤x≤0.01.The present application takes high-purity single elements Bi, Sb, Te and binary compound TeI4 as raw materials, obtains highly oriented Bi 0.5 Sb 1.5 Te3-based thermoelectric material by gradient growth method and further prepares thermoelectric refrigeration device.Compared with prior art, the thermoelectric material of the present application obtains lower carrier concentration, moves the temperature corresponding to zT peak (-1.1) to 315K, optimizes the thermoelectric performance (average zT-0.8) in low temperature range of 180K-300K, and accordingly, improves the maximum refrigeration temperature difference of the refrigeration device.

The invention belongs to the field of chemical informatization, provides a rare earth compound prediction method based on a pre-training fine-tuning graph neural network, and aims to solve the problem of low prediction efficiency caused by combination explosion and complex properties. According to the main scheme, binary compound combinations of rare earth elements and other elements are generated through permutation and combination, and screening is conducted according to chemical rules and a known compound database to obtain a candidate rare earth compound set; converting each compound in the candidate rare earth compound set into graph structure data comprising node features and edge features, wherein the node features comprise rare earth mark variables used for marking rare earth elements; inputting the graph structure data into a pre-trained fine-tuned graph neural network model to output prediction formation energy and prediction feasibility probability of each candidate rare earth compound; and calculating a comprehensive score of each candidate rare earth compound according to the prediction formation energy and the prediction feasibility probability, and sorting and screening the candidate rare earth compounds according to the comprehensive scores.

The invention belongs to the technical field of economic forest pest prevention and control, and particularly discloses an attractant for tomicus transversus, the attractant is composed of 4, 6, 6-trimethylbicyclo [3.1. 1] heptyl-3-ene-2-ol and (+)-3-carene, the mass ratio of 4, 6, 6-trimethylbicyclo [3.1. 1] heptyl-3-ene-2-ol to (+)-3-carene contained in a core material per unit volume is 1: 10, the mass ratio of 4, 6, 6-trimethylbicyclo [3.1. 1] heptyl-3-ene-2-ol to (+)-3-carene contained in the core material per unit volume is 1: 10, and the mass ratio of (+)-3-carene contained in the core material per unit volume is 1: 10. According to the technical scheme, a trapping test on the tomicus transversus is carried out, the result shows that the formula compounded by the binary compound has the best luring effect on the tomicus transversus, the luring rate can reach 53.33%, the use period of the technical scheme is December to May of the next year, and the use cost is low. The period is a peak period when the small beetles are dry-to-shoot and shoot-to-dry transverse-pit tip cutting beetles occur.

This invention relates to the field of thermoelectric materials technology, and discloses a bismuth telluride-based thermoelectric material, its preparation method, and its applications. It includes a matrix and a dopant material; the matrix is ​​bismuth telluride; the dopant material is selected from binary compound materials. The thermoelectric material of this application improves electrical transport performance and increases the power factor by incorporating binary compound materials into the matrix material and combining zone melting, ultrasonic exfoliation, and hot-pressing sintering processes. It also introduces numerous dislocations, grain boundaries, and other defects to effectively reduce lattice thermal conductivity and optimize thermoelectric performance; simultaneously, it significantly improves the Vickers hardness of the bismuth telluride-based thermoelectric material.

The invention relates to a binary bio-based temperature-resistant and salt-resistant system constructed on the basis of interaction of surfactants as well as a preparation method and application of the binary bio-based temperature-resistant and salt-resistant system. The binary bio-based temperature-resistant and salt-resistant system comprises a benzyloxy-octadecanoyl sulfonic acid type surfactant and lauroyl diethanolamide in a mass ratio of (1: 9)-(9: 1). Compared with the prior art, the bio-based surfactant is used for replacing other surfactants used in the traditional oil displacement process, the obtained binary compound system can show excellent interface performance in a wide concentration range (0.010%-0.30%) and a proportion (4: 6-9: 1), and the oil-water interfacial tension can be remarkably reduced to an ultralow level (lt); the high-temperature-resistant and high-salt-resistant oil displacement agent prepared by the preparation method disclosed by the invention can bear the high temperature of 120 DEG C under the specific concentration and proportion, the salt resistance is improved to 100g / L from 50g / L, the calcium resistance is improved to 5000mg / L from 500mg / L, and the high-temperature-resistant and high-salt-resistant oil displacement agent has excellent temperature resistance and salt resistance and is expected to be used for a high-temperature and high-salt oil reservoir oil displacement system.

The invention belongs to the technical field of PVC coated cloth, and particularly relates to antimony-free high-flame-retardant weldable coated cloth and a preparation method thereof. The coating cloth is PVC coating cloth, a large amount of screening is carried out, a binary compound composed of halogen-free phosphate ester WSFR-9702 and tricresyl phosphate TCPL is obtained and used as a flame retardant plasticizer, a ternary compound composed of a phosphorus flame retardant, a molten drop inhibiting flame retardant and a carbon forming framework filler is used as a flame retardant, and the PVC coating cloth coating is prepared through high mixing. The coating cloth simultaneously meets the requirements of high flame retardance of the BS7837 standard, the requirements of high environmental protection, no antimony, welding resistance and other comprehensive performance of REACH regulations, so that the coating cloth has the advantages of environmental protection, cost reduction and quality improvement, the comprehensive competitive advantage of products is improved, and the coating cloth has great industrial application value.

An electrode for use in a device configured to remove ions from a solution. The electrode includes an intercalation material including a binary transition metal Prussian blue analogue compound, a ternary transition metal Prussian blue analogue compound, or a combination thereof. The binary compound may have a general formula: AxByCz[Fe(CN)6], where A=Li, Na, or K; B=Mn, Fe, Ni, Cu, or Zn; C=Mn, Fe, Ni, Cu, or Zn; 0≤x≤1; 0≤y≤1; and 0≤z≤1. The ternary compound may have the general formula: AxByCzDw[Fe(CN)6], where A=Li, Na, or K; B=Mn, Fe, Ni, Cu, or Zn; C=Mn, Fe, Ni, Cu, or Zn; D=Mn, Fe, Ni, Cu, or Zn; 0≤x≤1; 0≤y≤1; 0≤z≤1; 0≤w≤1.

Provided in the present disclosure are a modified nickel-cobalt-aluminum ternary positive electrode material and a preparation method therefor, and a lithium battery. The modified nickel-cobalt-aluminum ternary positive electrode material provided by the present disclosure comprises a bulk phase material and a coating layer that coats the surface of the bulk phase material, wherein the coating layer is composed of boric acid and at least one of a transition metal nitride containing an effective metal and an aluminum-containing metal oxide. In the present disclosure, boric acid and at least one of a binary compound containing an effective metal and an aluminum-containing metal oxide are used as a composite coating source to perform composite coating, such that the coating effect of the nickel-cobalt-aluminum ternary positive electrode material is optimized, and an ultrahigh-nickel-content nickel-cobalt-aluminum ternary positive electrode material having relatively good physical and chemical properties is prepared. Moreover, the problems of poor structural stability, a high residual alkali content, a relatively low capacity and unsatisfactory rate and cycle performance of the material are ameliorated.

The invention discloses efficient and stable CBD (cannabidiol) delivery Pickering emulsion as well as a preparation method and application thereof, and belongs to the technical field of bioactive substance delivery. Aiming at the defects that the existing CBD emulsion depends on a chemical surfactant, an extraction solvent is toxic and residual, the stability is poor and the industrialization cost is high, the soybean protein-chitosan is used as a natural binary compound stabilizer, and a deep eutectic solvent subcritical auxiliary one-step extraction-emulsification process is adopted; the emulsion is prepared by combining an ultrahigh-pressure homogenization technology and a freeze-drying solidification technology. The particle size of the obtained nano-emulsion is smaller than or equal to 180 nm, the encapsulation efficiency is larger than or equal to 88%, and no chemical surfactant is left; the stability is excellent under extreme temperature and centrifugal conditions, and the CBD retention rate is greater than or equal to 92% after storage at 45 DEG C for 60 days; the solid microspheres have good rehydration performance, and the transportation cost is reduced by 40%. The emulsion solves the problems of stability, safety and industrialization adaptation in the CBD delivery process.

This invention relates to the field of magnetic material preparation technology, and in particular to a ternary compound magnetic material, its preparation method, and its applications. The chemical formula of the ternary compound magnetic material is Pr. 1‑ x Dy x Co5,0