97 results about "Metallogorgia" patented technology

The invention relates to preparation and application of a novel antibacterial material, in particular to a novel rhein metal organic framework composite antibacterial material formed by coordination of rhein and a metal organic framework structure. The invention belongs to the field of nano antibacterial materials. The preparation method has the advantages that the organic-inorganic hybrid material with highly ordered intramolecular voids is formed by coordinating metal atom zinc with phenolic hydroxyl groups at the positions 1 and 8 and carbonyl groups at the position 9 in rhein and 2-methylimidazole by adopting a one-step method; through coordination of rhein, metal atoms and organic solvents, the stability of rhein is improved, and the hydrophilic performance of rhein is improved.

The invention discloses an efficient degradation and recovery method for catalyzing waste epoxy resin and a composite material thereof by using metal functionalized ionic liquid, and belongs to the technical field of waste epoxy resin degradation and recovery. The method comprises the following steps: mixing a waste epoxy resin material or a waste epoxy resin composite material with a catalytic degradation liquid according to a mass ratio of 1: (1-10), heating and refluxing under the protection of nitrogen at 60-120 DEG C, and reacting for 1-36 hours until the resin completely disappears and the degradation is completed. The structure of the waste epoxy resin material contains ester functional groups, including ester groups at cross-linking points or ester groups in the body. According to the method, central metal atoms of the metal functionalized ionic liquid are coordinated with atoms in the waste epoxy resin and the degradation liquid, so that the degradation liquid can be enriched on the surface of the resin, the erosion effect of the degradation liquid on the surface of the epoxy resin is greatly accelerated, and the degradation liquid can enter a resin system more easily; therefore, the cross-linked network is disintegrated more quickly, and the degradation efficiency is greatly improved.

The invention discloses a method for realizing precise green restoration of environmental heavy metal pollutants by coupling a heavy metal sensing module and an aerobic sulfate reduction module. The method comprises the following steps: constructing an aerobic sulfate reduction pathway by heterologous reconstruction of cysteine feedback inhibition-resistant serine acetyltransferase and cysteine desulfylase, putting the aerobic sulfate reduction pathway under the control of a sensing module composed of heavy metal sensing protein genes, so as to construct a'sensing integration 'module, and transferring the'sensing integration' module into environmental microorganisms. The heavy metal in-situ remediation engineering strain is formed. When a specific heavy metal sensing module in the engineering strain recognizes heavy metal pollution, expression of an aerobic sulfate reduction module can be effectively started, so that heavy metal ions are converted into stable metal sulfide, and in-situ green low-carbon remediation of environmental heavy metal pollutants is realized. The genetic method disclosed by the invention is simple and efficient, saves the cost, can realize accurate perception and accurate control of environmental heavy metal pollution, and has important environmental protection application value.

An organometallic compound is provided which includes a central metal atom; and organic ligands capable of forming polydentate bonds to the central metal atom. Related methods and articles having a metal carbide coating are also provided.

The injection molding equipment for metal product machining comprises a first rack and a second rack, a metal raw material melting mechanism and an injection mechanism are arranged on the first rack, a mold die-casting assembly is arranged on the second rack, and the injection mechanism comprises a second linear motor, a second hydraulic cylinder and an injection barrel; an injection punch is slidably arranged in the injection cylinder and connected with a piston rod of a second hydraulic cylinder, the piston rod of the second hydraulic cylinder is of a penetrating type, the right end of the piston rod is connected with a second linear motor, the second linear motor comprises a linear moving module, a fixing seat is fixedly installed on the side face of the linear moving module, and the fixing seat is fixedly connected with the end of the piston rod. Stepless regulation of the injection pressure is achieved, the precision of the injection pressure is improved, the response speed of injection is increased, and the problem that in the prior art, the injection pressure is controlled extensively is solved.

The present disclosure relates to a liquid metal jetting ejection nozzle having a nozzle main body and a wetting plate. The nozzle main body has an enlarged opening at a distal end through which a molten metal feedstock material flows during a liquid metal jetting operation, and is formed from a first material having a first wetting characteristic. The wetting plate has an aperture and is secured to the enlarged opening of the nozzle main body. The wetting plate has a second wetting characteristic of a magnitude less than the first wetting characteristic to at least inhibit wetting. This two piece nozzle construction enables optimum materials and construction / fabrication techniques to be used for both components, thus improving performance, durability and reliability of the ejection nozzle.

Coordination complexes are provided comprising at least one metal atom; and organic ligands comprising one or more coordination sites associating with the at least one metal atom. Related methods and articles having a metal carbide coating are also provided, the metal carbide coating being derived from one or more coordination complexes.

According to the method for rapidly testing the growth tendency of the metal whiskers and growing the metal whiskers in situ, the MAX phase serves as an A metal atom source, the growth tendency of the metal whiskers is rapidly tested, and a new technology for preparing the metal whiskers in a large scale is developed by means of the phenomenon. According to the method, an MAX phase and an alloy matrix form metallurgical bonding through hot pressing, active A atoms are provided for growth of the metal whiskers, and therefore reliable and rapid detection of the growth tendency of the metal whiskers on the to-be-detected alloy is achieved. The innovation and significance of the invention are as follows: (1) A-site atoms provided by the MAX phase are utilized to test the accommodation limit of different alloy components and organization structures to active A atoms, a new rapid and reliable metal whisker growth tendency evaluation technology is developed, and the method has important significance in evaluation of Sn whisker growth problems in electronic connection; and (2) a new technology for in-situ and rapid growth of the metal whiskers in the metal matrix is developed, and a new technical approach is provided for preparation of micro-nano devices such as MEMS (micro-electromechanical systems) and the like.

The invention belongs to the technical field of hydrogen storage materials, and particularly relates to a metal borohydride composite material, a preparation method thereof and a hydrogen storage material. The preparation method comprises the following steps: activating the carbon-based carrier by adopting an alkaline substance; performing gas-phase fluorination treatment on the activated carbon-based carrier; the carbon fluoride-based carrier is mixed with a metal source, a boron source and a solvent, a solvothermal reaction is driven by hydrogen, metal borohydride is synthesized in situ on the surface of the carbon fluoride-based carrier, metal atoms in the generated metal borohydride react with F atoms in the carbon fluoride-based carrier to form a metal-F bridging phase, and meanwhile, the metal borohydride generates metal vacancies. The metal affinity of fluorine in the carbon fluoride-based carrier is utilized to induce nucleation loading of the metal borohydride in the synthesis process of the metal borohydride, and meanwhile, an interface chemical reaction is carried out to generate vacancies and bridging phases. Vacancies weaken B-H bonds, the hydrogen absorption and desorption heat / dynamics of the material are improved, and the bridging phase improves the structural stability and hydrogen absorption and desorption cycle performance of the material.

To provide a resist composition which, in photolithography employing high-energy radiation, exhibits superior sensitivity, resolution, and LWR, maintains stability, and allows easy handling, and a pattern forming method using the resist composition.SOLUTION: A resist composition contains a metal complex having a metal atom and a ligand represented by the following formula (1a), (1b), or (1c). (In the formulae, R1, R2, R3, R4, R5, R6, and R7 are each independently a hydrogen atom, a carbonyl group, or a hydrocarbyl group having 1 to 20 carbon atoms which may contain a hetero atom. *1 and *2 represent bonding hands to the metal atom).SELECTED DRAWING: None

This method for manufacturing a metal laminate formed body repeats a forming step. The method comprises: a forming step in which, while a shielding gas blowing unit (15) blows a shielding gas (24), a heating unit (13), which moves relative to a stage (17) where a forming object is placed, produces a heat source (23) to heat a metal raw material (5) supplied by a supply unit (14) on a first path on the forming object, and a bead (20) of the metal raw material (5) melted by the heating unit (13) is deposited on the forming object; and a cooling step, which comes before a subsequent molding step, in which heating by the heating unit (13) is stopped, and a cooling medium (25) is blown from a cooling unit (11), which moves relative to the stage (17), for cooling on a second path on the forming object which is oriented in the same or opposite direction of the first path.

The present invention discloses a metal sheet pressurized composite equipment, which belongs to the field of metal material processing technology, and includes: an unwinding mechanism, a feeding mechanism, a conveying mechanism, a heating mechanism, a rolling mechanism and a cooling mechanism, wherein the heating mechanism includes: a heating shell, an electromagnetic heater, a waste heat recovery mechanism and a first infrared thermometer, and the electromagnetic heater and the first infrared thermometer are fixedly installed in the heating shell. The present invention realizes precise alignment and efficient composite of multi-layer sheets by cooperatively driving the unwinding, feeding and rolling mechanisms by multiple motors; adopts an electromagnetic heater combined with an infrared thermometer to dynamically adjust the power to ensure uniform and stable heating of the sheet, effectively activates the diffusion capacity of metal atoms and reduces the yield strength, and adjusts the pressure roller spacing through hydraulic cylinder linkage to realize progressive pressurized composite; combines intelligent temperature control and centrifugal drive cooling system to synchronously trigger air cooling and water cooling to coordinate cooling, greatly improve cooling efficiency, and quickly solidify the metallurgical bonding interface.

The invention discloses a metal atom doped delta-MnO2 / MXene compound as well as a preparation method and application of the metal atom doped delta-MnO2 / MXene compound. The preparation method comprises the following steps: (1) dissolving water-soluble divalent manganese salt and a doping agent in deionized water, and uniformly stirring to obtain a solution A; (2) adding a mixed solution of quaternary ammonium base and hydrogen peroxide into the solution A, and continuously stirring to be uniform to obtain a solution B; and (3) adding the MXene material into the solution B, and continuously stirring to react to generate a black precipitate. And (4) filtering, washing and drying a black precipitate obtained after the reaction to obtain the metal atom doped delta-MnO2 / MXene composite material. According to the composite material, the advantages of metal doping and MXene composite materials are combined, and the specific capacity, the rate capability and the cycling stability of the manganese dioxide-based energy storage device can be remarkably improved.

The invention provides a metallocene catalyst structure determination method, a metallocene catalyst structure determination device and a metallocene catalyst generation system. The method comprises the steps that metal information is obtained, and the metal information is performance information of metal atoms; a structure generation model is constructed, the structure generation model is obtained through training of a particle swarm optimization algorithm by using multiple sets of training data, each set of training data in the multiple sets of training data comprises historical metal information obtained in a historical time period and historical structure information corresponding to the historical metal information, and the historical metal information is obtained according to the historical structure information; the historical structure information is historical information of historical metal atom combinations in the metallocene catalyst; and inputting the metal information into the structure generation model to obtain structure information corresponding to the metal information. According to the scheme, the problems of long time consumption and low efficiency of manually determining the structure of the metallocene catalyst in the prior art are solved.

A connection structure in which the occurrence of warping and cracking is suppressed even when stress is applied to the connection structure, and metal atom-containing particles and a bonding composition used for assembling the connection structure are provided. [Solution] A connection structure A includes a metal atom-containing particle 10 and an adhesive layer 50 including a sintered body 20 of metal particles. The metal atom-containing particle 10 and the sintered body 20 are in contact with each other through a chemical bond, and in the cross section of the adhesive layer 50, 5% or more of the outer periphery of the metal atom-containing particle 10 is in contact with the sintered body.

The invention relates to the technical field of target material preparation, and provides a metal target material and a preparation method thereof.The preparation method comprises the steps that metal raw materials are heated and melted to form melt; carrying out downward continuous casting treatment on the melt to obtain a metal slender rod; the thin metal rod is subjected to continuous upsetting treatment with the deformation quantity exceeding 400%, and a thick metal rod is obtained; the thick metal rod is subjected to continuous extrusion treatment, and a metal pipe is obtained; and carrying out heat treatment on the metal tube, and then machining to obtain the metal target material. According to the preparation method of the metal target material, the melt is treated through downward continuous casting, the high-purity and fine metal rod can be prepared, subsequent continuous upsetting is facilitated to achieve super-large deformation, coarse grains in the metal thin rod are effectively crushed, and the metal thick rod with fine and uniform grains is obtained; the problem that when a large cast ingot is obtained through traditional smelting and casting and then forged, the uniformity of crystal grains is difficult to control accurately is solved, meanwhile, the situation that continuous production of target materials is affected by an intermittent multi-pass forging mode is avoided, and the production efficiency is remarkably improved.

The invention relates to the technical field of in-vivo implant intervention composite materials, in particular to application of a metal organic framework material in preparation of a developing function material, an implant intervention material, a preparation method of the implant intervention material and an implant intervention device. The metal organic framework material disclosed by the invention has an enhanced X-ray developing function, can realize regulation and control of mechanical properties of a composite material, and can be applied to preparation of a developing functional material. The implant intervention material provided by the invention comprises a high-molecular polymer matrix and a metal organic framework material doped in the high-molecular polymer matrix, the metal organic framework material comprises an aromatic organic ligand and a coordinated metal atom on the aromatic organic ligand; the X-ray developing resolution ratio is high, the mechanical property is good, the biocompatibility is good, and the mechanical property and the processing property of the original polymer matrix can be maintained. Meanwhile, the preparation method is simple and environment-friendly, mild in reaction condition, high in synthesis efficiency and low in cost, and can meet the requirements of industrial large-scale preparation.

The invention discloses a method for calculating valence states of metal atoms in a metal organic framework material, which comprises the following steps of: firstly, acquiring. Cif files of original metal organic frameworks (MOFs) from a CSD database, carrying out bonding on the. Cif files by using an open-source xyz2mol program, outputting corresponding bonding information, and then deleting the metal atoms of the MOFs structure; calculating the RSD value of the non-metal framework according to the bonding information of all non-metal atoms, and calculating the total charge of the non-metal framework according to the relation between the RSD and the TSD of the elements; reversely deducing the oxidation state of the metal atoms by using the fact that the complete MOFs present charge balance; and finally, comparing the metal oxidation state numerical value with a numerical value provided by a CSD database, and evaluating the accuracy and feasibility of the method. According to the method, the metal center oxidation state value in the MOFs can be efficiently calculated, so that whether the MOFs meet the requirement of skeleton neutrality or not is judged.

The invention relates to a compound for forming a metal-containing film, a composition for forming a metal-containing film, and a pattern forming method. The present invention addresses the problem of providing: a metal-containing film-forming compound for forming a metal-containing film that contributes to sensitivity improvement while maintaining the LWR of an upper layer resist; a metal-containing film-forming composition; and a pattern-forming method using the metal-containing film-forming composition. [Solution] A compound for forming a metal-containing film, which contains at least one metal atom (a) selected from the group consisting of Ti, Zr, and Hf, and a polydentate ligand coordinated to the metal atom (a), and wherein the polydentate ligand is substituted with a fluorine atom and has a structure represented by general formula (1) or a structure represented by general formula (2). And is derived from a compound (b) having 1-50 carbon atoms and containing one or more crosslinkable groups selected from the group consisting of a vinyl group, an allyl group, an allyloxy group, an ethynyl group, a propargyl group, a propargyl group, an epoxy group, an oxetanyl group, a nitrile group, and a vinylidene group.

The utility model discloses an automatic metal powder feeding device which comprises a feeding frame, an anti-blocking mechanism and a buffering mechanism, the anti-blocking mechanism and the buffering mechanism are both installed at the upper end of the feeding frame, a first electric telescopic rod is installed at one end of a supporting frame, an extending frame is installed at the output end of the first electric telescopic rod, and a second electric telescopic rod is installed at one end of the extending frame. A mounting cover is mounted at the output end of the second electric telescopic rod, a motor is mounted in the mounting cover, and a dredging drill bit is connected to the bottom of the mounting cover in a penetrating mode. According to the metal raw material dredging device, when the blockage phenomenon occurs when metal raw materials are discharged through the feeding pipe, the first electric telescopic rod is started to push the extension frame, the dredging drill bit on the extension frame is located below the feeding pipe, then the dredging drill bit stretches into the feeding pipe to conduct stirring dredging through the second electric telescopic rod and the motor drive, frequent manual dredging by workers is not needed, and the working efficiency is improved. The problem that in actual operation, metal powder raw materials are prone to being frequently blocked in the feeding process, and the metal powder machining efficiency is affected is solved.

The invention belongs to the technical field of uniform metal microdroplet jetting devices, and particularly relates to a gas-liquid channel separation type uniform metal microdroplet stable jetting device which comprises a high-temperature heating furnace used for heating metal raw materials; the crucible is located in the high-temperature heating furnace and used for containing metal raw materials and a solution of the metal raw materials; and the spraying assembly comprises an outer runner, a nozzle and a control assembly, and the outer runner is connected to the bottom of the high-temperature heating furnace. By arranging the control assembly, when protective gas passes through the gap between the outer flow channel and the nozzle, the counterweight ring can always apply upward push to the sealing plug through the ejector rod, so that the sealing plug can always cooperate with the sealing ring to apply pressure to the protective gas passing through the gap between the sealing plug and the sealing ring; therefore, the protective gas is always kept at a certain pressure when passing through the gap between the nozzle and the nozzle, turbulent flow generated near the nozzle due to insufficient pressure of the protective gas is avoided, and the stability of metal jet flow is ensured.

The present invention relates to a method of smelting a metalliferous feed material. More particularly, the present invention relates to a method of smelting composite agglomerates comprising a metalliferous feed material, a reducing agent and a fluxing agent using a hot oxidising gas. According to a first aspect of the invention, there is provided a method of carbothermic smelting of a metalliferous feed material using an oxidising gas, comprising the steps of: (i) feeding composite agglomerates into a reactor to create a packed bed within the reactor; wherein the agglomerates comprise a metalliferous feed material, a reducing agent and a fluxing agent; (ii) heating and smelting the agglomerates using a hot oxidising gas, wherein the hot oxidising gas enters the reactor and passes through the packed bed to form a molten material comprising an intermediate slag component and a partially reduced metalliferous component; (iii) introducing the molten material into an electric slag cleaning furnace; (iv) adding additional reducing agent to the molten material in the electric slag cleaning furnace to form a liquid metal product, a liquid slag product and a CO-containing gas; and (v) combusting the CO-containing gas with preheated air to form a hot oxidising gas enriched in oxygen which then enters the reactor in step (ii); wherein the temperature of the hot oxidising gas entering the reactor is controlled to be above 1400°C, and wherein the oxygen content of the hot oxidising gas is controlled to be between 0% and 20%.

The present invention provides a metal laminate material with a multi-gradient porous structure and a preparation method thereof, wherein heterogeneous metals capable of forming intermetallic compounds are stacked together by diffusion welding additive manufacturing technology, and are mutually diffused by heat treatment to form stacked intermetallic compounds, and then combined with dealloying to remove active metal atoms; wherein the holes in each intermetallic compound layer have different shape structures from each other, and along the direction of the second metal layer toward the outside, the pore size of the hole presents a gradient change from small to large. Thus, a metal laminate material with a multi-gradient porous structure is formed, and the metal laminate material has a high mass transfer rate and catalytic efficiency, and has excellent mechanical properties and a long service life.

1. The name of the product of this design: metal raw material ingot. 2. Purpose of the product with this appearance design: The product with this appearance design is used as raw material for the production and processing of metal products. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

The invention provides compositions of polymers covalently attached to polymerizable substituents on metal -grafted calixarenes that are themselves covalently bound through metal atoms to a. porous, high surface-area solid support, which support is an inorganic oxide. The polymers form a network helping stabilize the metal-grafted calixarenes on the solid support even under harsh continuous flow conditions.

The invention discloses an anti-corrosion quick-curing functional filler. The anti-corrosion quick-curing functional filler comprises a metal powder matrix and an amino curing accelerator connected to the surface of the metal powder matrix through a siloxane compound. Through the high surface energy adsorption effect of metal oxides and metal atoms in the metal powder matrix and the bridge effect of the siloxane compound, the metal powder matrix and the amino solidification accelerator are subjected to auxiliary connection modification, and the obtained anti-corrosion fast-solidification type functional filler has the corrosion resistance and the fast solidification effect.

The utility model discloses a sample clamp for a metal in-situ analyzer, which belongs to the technical field of steel analysis and comprises a rectangular outer frame, a plate on one side of the rectangular outer frame is a clamping plate, and a plate on the corresponding side of the clamping plate is a mounting plate; a clamping assembly is arranged in the rectangular outer frame, the clamping assembly comprises a clamping block which is located in the containing space and arranged relative to the clamping plate, the clamping block is matched with the clamping plate to be used for clamping a sample, a push-pull rod is arranged on the end face, away from the side of the clamping plate, of the clamping block, and the push-pull rod penetrates through the mounting plate in the horizontal direction and extends outwards; and a locking component for locking the position of the push-pull rod is arranged in the mounting plate at the penetrating position of the push-pull rod along the axial direction vertical to the push-pull rod. According to the utility model, the requirement on the shape of a sample can be reduced, samples with different sizes can be easily switched, the adjustment and the use are convenient, and the problem that the experimental result is influenced by uneven clamping is avoided; the push-pull rod is used for clamping, torque cannot be generated, and the situation that one side of the sample is upwarped and uneven is avoided.

The utility model relates to a double-station semi-solid metal forming machine which comprises a first mold device, a second mold device and a third mold device, the first spiral feeding device is connected with the first mold device and used for conveying the metal raw materials; the first heating device is arranged on the first spiral feeding device and used for heating the metal raw materials into a semi-solid state; the second mold device is used for metal forming; the second spiral feeding device is connected with the second die device and used for conveying the metal raw materials; the second heating device is arranged on the second spiral feeding device and is used for heating the metal raw material into a semi-solid state; the first mold device and the second mold device are arranged at the two ends of the rack correspondingly, and the first spiral feeding device and the second spiral feeding device are both installed on the rack and arranged in a staggered mode. According to the double-station semi-solid metal forming machine, two stations are obtained through staggered arrangement, and the double-station semi-solid metal forming machine is compact in structure, small in occupied area, high in production efficiency, low in production cost, low in forming temperature, high in production safety and low in energy consumption.

The invention provides a preparation method of a metal material with a multi-phase heterostructure, which comprises the following steps of: weighing metal raw materials according to the components of the metal material, smelting to obtain molten metal, carrying out electric pulse treatment on the molten metal to obtain a melt, carrying out directional crystallization on the melt to obtain a cast ingot with an inclined splayed columnar crystal structure, carrying out hot working to obtain a blank, and carrying out heat treatment on the blank to obtain the metal material with the multi-phase heterostructure. And then the blank is subjected to cold machining treatment, a cold machined part is obtained, finally, the cold machined part is subjected to micro-area electric treatment, and the metal material with the multi-phase heterostructure is obtained. According to the method, a structure of a core columnar crystal and an edge equiaxed crystal is obtained through hot working, the hard outside and the tough inside are achieved, then more dislocation and deformation twin crystals are obtained through large-deformation cold working treatment, finally, the material is subjected to zoning treatment through micro-zone electric treatment, a structure with a softening zone and a hardening zone alternated is obtained, and tough alternation is achieved; under the synergy of the process, the multiphase heterostructure metal material which is hard outside and tough inside and has excellent mechanical properties is obtained, and the toughness of the multiphase heterostructure metal material is alternated.