20results about How to "Not easily oxidized" patented technology

This invention discloses a cable structure and a cable conveying and coiling device, relating to the field of cable structure and conveying processing and manufacturing. It includes several cable core structures encased in an outer sheath. Each cable core structure includes a cable core conductor. The outer wall of the cable core conductor is wrapped with a conductor shielding layer. The outer wall of the conductor shielding layer is wrapped with an insulation layer. The outer wall of the insulation layer is wrapped with an insulating shielding layer. The outer wall of the insulating shielding layer is wrapped with a semiconductor resistive water layer. The outer wall of the semiconductor resistive water layer is wrapped with an alloy lead sheath layer. The outer wall of the alloy lead sheath layer is wrapped with a cable core protective layer. The gaps around the several cable core structures are filled with a rhomboid deformable filling layer. Furthermore, the cable structure is coiled and wound using a cable conveying and coiling device. Through this improved cable structure, the cable core is less prone to creep and oxidation, ensuring a firm joint connection, reducing the possibility of increased resistance, and guaranteeing the signal transmission quality of the cable.

This invention belongs to the field of nanomaterials technology, specifically relating to a heating wire, its preparation method, and its application. The method for preparing the heating wire provided by this invention involves impregnating filamentous carbon nanotube fibers in a graphene-containing resin dispersion and then curing it. The resin layer containing graphene material encapsulates the filamentous carbon nanotube fibers. The filamentous carbon nanotube fibers prepared by this invention exhibit stable heating. When used in the heating system of a gas element analyzer, the heating wire exhibits low electromagnetic radiation and minimal interference with the hardware, making it more suitable for high-precision testing. The filamentous carbon nanotube fibers prepared by this invention have the advantages of stable heating and resistance to oxidation. The resin layer encapsulating the filamentous carbon nanotube fibers protects the carbon nanotubes, isolates them from air, and extends the service life of the heating element's carbon nanotubes.

The application belongs to the technical field of material preparation, and particularly relates to a light-heat material with an antireflection coating and a preparation method thereof. Micron or nanometer magnetic particles are used as the core, and inorganic materials with antireflection function are used as the functional coating to coat the surface of the magnetic particles; wherein the functional coating is metal oxide or non-metal oxide with light reflection inhibiting function. The method is simple in operation, mild in reaction condition, and the prepared material has an antireflection coating, which can reduce the energy loss in the form of diffuse reflection on the surface of the material in the light-heat conversion process, and shows high energy conversion efficiency. In addition, the coating material is stable in chemical property, so that the prepared composite particles have certain oxidation resistance, and can be widely applied in the fields of paint and water treatment chemical industry.

The application discloses a resistive switching memory structure and a manufacturing method thereof. The resistive switching memory structure comprises, from bottom to top, a bottom electrode, a resistive switching layer and a top electrode. The upper surface of the bottom electrode and the lower surface of the resistive switching layer are in Schottky contact, and the lower surface of the top electrode and the upper surface of the resistive switching layer are in Ohmic contact. The resistive switching layer is a single oxide film layer. The materials of the bottom electrode and the top electrode are the same metal nitride, and the atomic number ratio of metal elements to nitrogen elements in the top electrode is greater than that in the bottom electrode. The application can simplify the structure of the memory, reduce the process complexity and manufacturing cost.

The utility model belongs to packaging machine technical field especially is a kind of dry kelp compression packaging device of moisture-proof oxidation resistance, the side fixed connection of connecting seat has packaging assembly, the other end fixed connection of connecting seat has first motor, the output fixed connection of first motor has screw rod, the surface screw thread connection of screw rod has movable seat, and one end fixed connection of movable seat has processing seat, the top fixed connection of connecting seat has vacuum packaging machine, and packaging assembly includes with the fixed connection of connecting seat one side connecting frame, and the top fixed connection of connecting frame has driving seat.The utility model drives movable rod and movable plate to lift through driving seat, and movable plate lifts and is pressed into shape by pressing block to the dry kelp in forming seat, and when first push rod drives connecting plate to move to appropriate position in fixed seat, dry kelp is transported to conveying seat in guiding seat, second push rod drives movable block to push kelp to enter packaging bag to carry out subsequent vacuum packaging operation at this time.

The invention belongs to the technical field related to water treatment, and particularly discloses a method for electrocatalytic enrichment of uranium by using zero-valent iron aerogel, and the method comprises the following steps: slicing hydrophilic carbon paper, and treating for later use; the preparation method comprises the following steps: dissolving zero-valent iron aerogel and an adhesive in an organic solvent, and performing ultrasonic dispersion to form uniform catalyst slurry; uniformly coating the surface of pretreated carbon paper with the obtained slurry in an oxygen-free environment, drying to obtain a zero-valent iron aerogel-loaded carbon paper working electrode, forming a three-electrode system by matching the prepared working electrode with a counter electrode and a reference electrode, and performing electrochemical reduction reaction on uranium-containing water in an electrolytic tank by applying pulse voltage to obtain uranium-containing water. Uranium is enriched in the working electrode. The zero-valent iron aerogel loaded electrode with high specific surface area and excellent electron conduction performance is constructed, the low-pulse voltage electro-catalysis technology is combined, efficient, high-selectivity and low-energy-consumption enrichment of uranium in seawater is achieved, and the dual functions of resource recovery and environmental pollution control are achieved.

This utility model discloses a seepage-proof structure for water supply and drainage pipes, belonging to the technical field of seepage-proof equipment for water supply and drainage pipes. It includes a water supply and drainage pipe body, with an insulation sleeve on the surface of the body. The insulation sleeve includes a heat insulation layer, with tensile ropes fixedly connected to the inner wall of the insulation layer in a circular array. An anti-oxidation layer is fixedly connected to the surface of the insulation layer, an elastic layer is fixedly connected to the inner wall of the insulation layer, and a wear-resistant layer is fixedly connected to the inner wall of the elastic layer. In this utility model, the heat insulation layer isolates the water supply and drainage pipe body from the air and improves the heat insulation capacity of the pipe body surface, making it less prone to condensation. The anti-oxidation layer isolates the surface of the insulation layer from the air, preventing oxidation and extending the service life of the insulation sleeve. The wear-resistant layer enhances the wear resistance of the elastic layer surface through the engagement of internal and external threads.

This invention provides a lithium metal anode, its preparation method, and its application. The lithium metal anode includes a lithium metal matrix and an activation layer covering at least a portion of its surface; the lithium metal matrix includes lithium and silver; the activation layer includes lithium nitride and a first silver halide, wherein the first silver halide includes silver iodide. This invention provides an activation layer with specific chemical activity on the surface of a silver-containing lithium metal anode. Silver iodide can form lithium transport channels, activating dead lithium and improving the battery's cycle performance. Simultaneously, Li3N is a good SEI component, which can inhibit dendrite growth, isolate the electrolyte from contact with the anode, reduce active lithium loss, and further improve battery cycle performance. Furthermore, halogens existing in the form of silver halides are resistant to high voltage and not easily oxidized; therefore, high-voltage cathode materials with higher energy density can be selected to achieve a significant improvement in the cycle performance of high-energy-density lithium metal batteries.

The invention discloses a high-chromium cast iron liquid storage device and a high-chromium cast iron liquid storage method, and relates to the technical field of metallurgy, and the device comprises a base, a storage tank, a casting powder layer, a heating slag layer and a tilting mechanism. The storage tank is rotatably mounted on the base; the tilting mechanism is mounted on the base, is connected with the storage tank and is used for driving the storage tank to rotate relative to the base; the storage tank is provided with a storage cavity, a liquid inlet channel and a liquid outlet channel, the storage cavity is used for storing high-chromium cast iron liquid, and the bottom of the liquid inlet channel and the bottom of the liquid outlet channel communicate with the storage cavity. The covering slag layer is used for covering the liquid level of high-chromium cast iron liquid, and the heating slag layer is used for covering the covering slag layer. According to the device and the method, slag and gas can be effectively prevented from being involved in the high-chromium cast iron liquid, the cooling speed of the high-chromium cast iron liquid can be effectively slowed down, an induction furnace can be prevented from being used as a liquid storage tank, equipment investment can be reduced, and energy consumption is reduced.

The invention discloses an environment-friendly tellurium-free chilling coating and strong cold coating for a metal mold and a preparation method of the environment-friendly tellurium-free chilling coating and strong cold coating for the metal mold, and relates to the technical field of coatings for the metal mold, and the environment-friendly tellurium-free chilling coating and strong cold coating comprise the following raw materials: a composite metal material, a novel ceramic material, a natural silicate mineral material, a composite binder, an organic auxiliary agent and a water solvent. According to the invention and application of the special chilling coating for the metal mold, the defect problems of shrinkage porosity, leakage, pinholes, air holes, cracks, deformation and the like of iron castings, copper alloys, aluminum alloys, magnesium alloys, zinc alloys, titanium alloys and other castings with the section thickness within 20-22 mm can be solved.

The utility model discloses an anti-freezing system for a fluid pipeline, which comprises a heating conductor arranged in the pipeline, the heating conductor is connected with a power switch through a lead, and the signal output end of a temperature and flow speed control display instrument is connected with the power switch through a signal line; a temperature sensor and a flow velocity sensor are installed on the inlet valve body connected with the inlet end of the pipeline, the flow velocity sensor is used for measuring the flow of fluid entering the inlet valve body, and the temperature sensor is used for measuring the temperature of the fluid entering the inlet valve body. And the signal output ends of the temperature sensor and the flow velocity sensor are connected with the signal input end of the temperature and flow velocity control display instrument. The structure is adopted for preheating the interior of the pipeline, it is guaranteed that the pipeline cannot be frozen, and therefore normal use of the pipeline is guaranteed.

This invention discloses an alkaline ionic liquid catalyst, its preparation method, and its application. The alkaline ionic liquid catalyst has the structural formulas [DBUH]phy, [TBDH]phy, and [DBUH]tbd. The calculated amounts of 1,8-diazabicycloundec-7-ene (DBU), 1,5,7-triazidobicyclo(4,4,0)dec-5-ene (TBD), and phenol (phy) are reacted to obtain the alkaline ionic liquid catalyst. It is used to synergistically catalyze a series of reactions between aliphatic diols and CO2 to synthesize cyclic carbonates with H2SO4, exhibiting high selectivity and wide applicability. Compared with existing cyclic carbonate synthesis processes, the synthesis of cyclic carbonates via alkaline ionic liquid catalysts from aliphatic diols and CO2 is safer, pollution-free, and features good catalyst stability, low dosage, high selectivity, and no byproducts.

The invention provides a neutral unblocking liquid, a fluorine-containing symmetrical double-arm surfactant and a preparation method thereof, the neutral unblocking liquid comprises the following raw materials by mass: 6-12 parts of a complexing agent, 1-5 parts of a penetrant, 1-3 parts of a dispersant, 2-8 parts of a solubilizer, 5-13 parts of a surfactant, and 59-85 parts of water; wherein the surface active agent is a fluorine-containing symmetrical double-arm surface active agent. Compared with the existing neutral unblocking liquid, the neutral unblocking liquid provided by the invention has the beneficial effects that the high-temperature stability is better, the surface tension can be effectively reduced, the unblocking efficiency is high, and the neutral unblocking liquid can adapt to a complex shaft environment.

The invention relates to the technical field of lithium batteries, and discloses a coagulant electrolyte, a gel-state battery and a preparation method of the gel-state battery. The gel electrolyte comprises a polyelectrolyte and an electrolyte solution, wherein the polyelectrolyte is prepared by reacting a first monomer serving as a cross-linking agent with a second monomer containing nitryl. According to the gel electrolyte, the interface impedance can be reduced, the ionic conductivity can be improved, and the rate capability and the cycle performance of a gel-state battery can be improved; the high oxidation potential is achieved, and the safety performance of the gel-state battery can be improved; in addition, the gel-state battery can achieve a good flame-retardant effect.

The invention discloses a semiconductor structure and a corresponding chip and product. The structure comprises a silicon-based integrated circuit and a bump structure arranged on the silicon-based integrated circuit. The bump structure sequentially comprises a UBM layer, a copper conductor layer, a nickel conductor layer and a gold conductor layer. The exposed side walls of the UBM layer, the copper conductor layer and the nickel conductor layer are coated with a metal protection layer composed of palladium, palladium alloy, platinum or platinum alloy, and the protection layer does not cover the gold conductor layer. According to the preparation method, the step-shaped side wall is formed through etching steps in a specific sequence, selective self-growth of the protective layer on the titanium / copper / nickel side wall is achieved through chemical plating based on metal equilibrium potential difference, and the protective layer is not deposited on the gold surface. The problems of poor welding and short circuit caused by oxide generated by side wall oxidation and copper diffusion of the copper-nickel-gold bump are effectively solved, the long-term reliability is remarkably improved, meanwhile, the using amount of precious metal is small, the technology is ingenious, and the method is particularly suitable for the high-end display field of liquid crystal driving chips and the like.

The application belongs to the field of new energy materials, and provides a preparation method of stannous iodide, which comprises the following steps: adding hydriodic acid into ultrapure water to configure a solution A; adding a tin source into pure water, and then adding an antioxidant to form a solution B; adding the solution A into the solution B, heating and reacting, and then adding a reaction catalyst, stirring, and obtaining an orange-red solid; separating the orange-red solid from a liquid, washing, and vacuum drying to obtain a crude stannous iodide; performing a first heating process on the crude stannous iodide to separate the stannous iodide from oxidized impurities; and then performing a second heating process to obtain stannous iodide for perovskite batteries through high-temperature purification; wherein the tin source contains divalent tin ions. The preparation method has mild reaction conditions, simple raw material acquisition and preservation, high reaction efficiency, and the prepared finished product has high quality and high purity and is not easy to be oxidized, and is used in narrow-bandgap perovskite solar cells and laminated solar cells, and the photoelectric conversion efficiency is significantly improved.

This invention discloses a high-nutrition flaxseed dietary composition free of eight major allergens for all ages and its preparation method. Each 30g packet is precisely formulated from low-temperature roasted flaxseed powder, flaxseed oil microcapsule powder, psyllium husk powder, purified konjac powder, gluten-free quinoa powder, chia seed powder, sugar-free coconut powder, erythritol, and corn soluble dietary fiber. The product contains ≥18.8g / 100g of α-linolenic acid, is completely free of the eight major allergens, is high in protein and dietary fiber, and contains 0 sodium and 0 trans fats. It is finely prepared, nutritionally balanced, and highly stable, making it safe for people aged 3-100 to consume. It can be used as a nutritional meal replacement, light snack supplement, and intestinal health food.

The invention provides a high-performance electromagnetic shielding printed and dyed fabric and a preparation method thereof. The preparation method comprises the following steps: printing and curing MXene-based electroactive ink on a fabric substrate by adopting a screen printing process, and forming an electromagnetic shielding functional layer on the surface of the fabric substrate; wherein the MXene-based electroactive ink is prepared from an MXene nanosheet, an adhesive, a thickening agent and water. The high conductivity of the MXene nanosheets is utilized to construct a shielding network, the MXene nanosheets are fixed on the surface of the fabric substrate through the aqueous binder and the thickening agent in a silk-screen printing mode, efficient shielding is achieved, meanwhile, the inherent comfort and durability of the fabric are achieved, the shielding effect of the prepared printed and dyed fabric reaches 30 dB or above, oxidation is not likely to happen, the washing fastness is high, and the service life of the fabric is prolonged. The air permeability, the moisture permeability and the softness are excellent.

The application discloses a nickel-based alloy sand and a method for optimizing a damaged area surface, relates to the field of nickel-based high-temperature alloy repairing, and the nickel-based alloy sand comprises Cr, Co, Al, Mo, Nb, Hf and Sc, and the rest is Ni or / and inevitable impurity elements; the method for optimizing the damaged area surface mainly adopts the mode of twice sand blasting on the damaged area surface. The application can perform sand blasting treatment on the damaged area surface, achieves the purpose of modifying the damaged area surface, promotes the diffusion of melting point inhibiting elements to the base body, and improves the bonding strength of the connecting interface between the shape and property remodeling area and the base material.

The invention relates to the technical field of molybdenum-titanium alloy materials, in particular to a preparation method and application of a molybdenum-titanium alloy material.The preparation method of the molybdenum-titanium alloy material comprises the following steps that 1, molybdenum powder and titanium powder are fully mixed under protection of inert gas through a ball mill; 2, the mixed powder is subjected to pressure forming, and a billet is formed; 3, heating and sintering the billet under the protection of inert gas; and 4, the sintered compact alloy block is machined into a product through forging, rolling or extruding. According to the prepared molybdenum-titanium alloy material, in the preparation process, after molybdenum powder and titanium powder are treated through deionized water, some impurities on the surfaces can be removed, after the molybdenum powder and the titanium powder are wrapped with water, oxygen is not prone to being accumulated on the surfaces, in the subsequent ball milling process, oxygen can be effectively prevented from being clamped between the molybdenum powder and the titanium powder, and the service life of the molybdenum-titanium alloy material is prolonged. And the molybdenum powder and the titanium powder are not prone to being oxidized, finally, the billet is not prone to cracking in the sintering process, and the product quality is guaranteed.