257results about How to "Not easily oxidized" patented technology

The invention discloses a preparation method of a high-temperature excitation coil based on an AMB process, and relates to the technical field of magnetic levitation, and the preparation method specifically comprises the following steps: S1, silicon nitride ceramic is perforated; s2, through hole filling and surface screen printing; s3, carrying out vacuum sintering on the metal foil and the silicon nitride ceramic; s4, performing coil patterning and surface treatment; s5, preparing a single-layer silicon nitride ceramic metal coil; s6, preparing a ceramic isolation sheet; s7, performing lamination and vacuum sintering; the magnet exciting coil prepared by the invention has relatively good reliability and long service life in a service environment of 550-600 DEG C.

The invention relates to the technical field of cutting fluids, and discloses a high-temperature alloy cutting fluid and a preparation method thereof, the high-temperature alloy cutting fluid comprises the following components: 30%-50% of base oil, 5%-10% of organic alkali, 5%-10% of an antirust agent, 4%-10% of synthetic ester, 15%-20% of an anti-wear reagent at extreme pressure, 0.5%-1.5% of a corrosion inhibitor, 7%-15% of an emulsifier, 2%-4% of a bactericide, 0.05%-0.1% of a defoaming agent, and the balance of water; the extreme pressure anti-wear agent is composed of a chlorination extreme pressure anti-wear agent and a vulcanization extreme pressure anti-wear agent. According to the invention, the ester-based base oil, the organic alkali, the synthetic ester and the extreme pressure anti-wear agent composed of the chlorination extreme pressure anti-wear agent and the vulcanization extreme pressure anti-wear agent are combined to form a continuous high-strength lubricating film, and the continuous high-strength lubricating film is compounded with additives such as the organic acid antirust agent, the corrosion inhibitor and the bactericide; therefore, the antirust corrosion inhibition performance of the cutting fluid on workpieces and machine tools and the long-term use safety and environmental protection performance are improved during processing.

The invention provides a back contact battery with a specific contact layer and a preparation method of the back contact battery. The back contact battery with the specific contact layer comprises a silicon wafer, a first semiconductor layer and a second semiconductor layer, the silicon wafer has a backlight surface and a light receiving surface; the first semiconductor layers and the second semiconductor layers are alternately arranged on the backlight surface; the first semiconductor layer at least comprises an N-type doped polycrystalline silicon layer, the N-type doped polycrystalline silicon layer comprises a hydrogen-doped N-type polycrystalline silicon layer and a deuterium-doped N-type polycrystalline silicon layer, the second semiconductor layer at least comprises a P-type doped amorphous silicon layer, and the P-type doped amorphous silicon layer comprises a hydrogen-doped P-type amorphous silicon layer and a deuterium-doped P-type amorphous silicon layer. The surface compactness and stability of the first semiconductor layer and the second semiconductor layer can be greatly improved, the surfaces of the two semiconductor layers are prevented from being naturally oxidized or corroded by a solution in the manufacturing process, then the contact resistance between the first semiconductor layer and the transparent conductive layer and between the second semiconductor layer and the transparent conductive layer is reduced, and the FF of the cell is improved.

The invention discloses preparation and application of a core-shell structure carbon-coated copper nano-antibacterial agent with a slow release function, and relates to the technical field of antibacterial nano-metal materials, and the preparation method comprises the following steps: preparing by using a plasma arc method, taking pure copper as an anode, selecting a graphite rod as a cathode, and after the vacuum degree of an electric arc furnace reaches 10 <-4 > Pa or above, carrying out ultrasonic treatment; the method comprises the following steps: injecting a carbon source into a high-vacuum cavity, purifying in argon, collecting black powder consisting of nano-particles, carrying out a carbon shell burning process on the collected nano-particles, cooling, and recovering. The prepared carbon-coated copper nano-particles are of a core-shell structure with copper as a core and porous carbon as a shell, the porous carbon shell protects the nano-copper particles from being oxidized easily, the high activity of the nano-copper is kept, the nano-copper can achieve efficient and broad-spectrum sterilization at low concentration, meanwhile, slow release of the copper is achieved, and it is guaranteed that the antibacterial agent is higher in biological safety and environment friendliness.

The invention discloses a barium titanate coated Ni particle material synthesized under the assistance of a spray drying technology and a method thereof, and belongs to the technical field of metal powder material preparation. The method comprises the following steps: firstly, taking metatitanic acid and barium hydroxide as raw materials, and mixing the metatitanic acid and the barium hydroxide with nano and submicron Ni powder to prepare a mixed solution; secondly, synthesizing a Ni-based composite material intermediate by adopting a spray drying method; and finally, sintering in a tubular furnace to form the barium titanate coated Ni powder. The barium titanate coated Ni inner electrode material is Ni coated BaTiO3 spherical particles with a core-shell structure, the particles are of a core / shell microstructure, a shell layer is a barium titanate coating layer with the thickness of 10-15 nm, and the particle size of the particles is 100-150 nm. According to the method, required equipment can be scaled, components and microstructures are easy to regulate and control, and the method has high sphericity and dispersity, high compactness and good repeatability; the particle size and distribution can be changed by adjusting process parameters; meanwhile, good interface bonding with a ceramic dielectric layer is realized, and the key problems of mismatching of interlayer interface volume shrinkage, easy cracking and the like in the sintering process are relieved.

The invention relates to organic modified magnetic bentonite as well as a preparation method and application thereof, and the organic modified magnetic bentonite is a ternary composite material which takes bentonite as a carrier to load gamma-Fe2O3 magnetic particles and is subjected to surface modification by using an organic modifier 3-(trimethoxysilyl) propyl-N-octadecyl dimethyl ammonium chloride (TPODAC). Compared with the prior art, the organic modified magnetic bentonite disclosed by the invention not only can improve the adsorption performance of pretilachlor, but also can realize rapid magnetic separation of an adsorbent under the condition of an external magnetic field, so that the adsorbent can be recycled for multiple times. The adsorbent organic modified magnetic bentonite has the advantages of efficient adsorption and rapid recovery, the preparation method is simple and easy to implement, and the adsorbent organic modified magnetic bentonite shows great application potential in treatment of pretilachlor wastewater.

The invention provides a three-dimensional porous silicon and carbon nanosphere structure material with lithium nitrate as a template and a lithium supplement agent, a preparation method of the three-dimensional porous silicon and carbon nanosphere structure material, a lithium ion battery negative electrode and a battery. Compared with the prior art, ethanol, deionized water, ammonia water and tetraethyl silicate are used for synthesizing SiO2 spheres, the SiO2 spheres are subjected to thermal reduction through magnesium powder to obtain porous Si, and the porous Si and carbon nanosphere structure material is used for preparing the lithium ion battery negative electrode. Dispersing the porous Si nanospheres and tris (hydroxymethyl) aminomethane in water; and adjusting the pH value by using a hydrochloric acid solution, continuously adding dopamine hydrochloride, finally adding lithium nitrate, calcining, washing and drying to obtain the Si-C composite material with the three-dimensional porous structure. A porous structure is further formed on the surface of the carbon layer by a template method, so that the composite material can provide more active sites in the charge-discharge process, and the porous structure effectively relieves the problem of volume expansion; and meanwhile, the added lithium nitrate also serves as a lithium supplement agent, and the supplemented lithium ions enable the battery to have better stability in the charging and discharging process of the battery.

The invention discloses a composite material and a preparation method thereof, a light-emitting device and a display device, and relates to the technical field of display. The composite material comprises inorganic particles and ligands connected to the inorganic particles, the ligands have the structural formula shown in the formula (I): # imgabs0 #, and Ar comprises substituted or unsubstituted fused ring aryl or fused ring heteroaryl; x is selected from one or more of amino, carboxyl, sulfydryl or phosphate. The composite material comprises inorganic particles and ligands connected with the inorganic particles, the ligands have annular conjugated structures and functional groups, and the functional groups can be in coordination connection with the inorganic particles; compared with ligands with similar annular non-conjugated structures, the ligands with annular conjugated structures enable charges to be delocalized due to resonance and hybridization and have lower energy, so that the composite material is not easy to oxidize, and the ligands in an excited state can interact with the energy level of inorganic particles to promote the light emitting of the light emitting device, thereby improving the light emitting efficiency of the light emitting device and improving the light emitting efficiency of the light emitting device. And the service life of the luminescent device is prolonged.

The invention belongs to the technical field of semiconductors, and particularly relates to a polishing composition and a preparation method and application thereof. The polishing composition comprises grinding particles, an oxidizing agent, an organic dispersing agent, an inorganic dispersing agent, a pH buffering agent, a pH adjusting agent and water. Wherein the oxidizing agent comprises permanganate, the organic dispersing agent forms an organic coating layer on the surface of the grinding particles, and the inorganic dispersing agent forms an inorganic coating layer on the surface of the organic coating layer. Through the steric hindrance of the organic dispersing agent and the static stable synergistic effect of the inorganic dispersing agent, the grinding particles obtain a good dispersing effect. Meanwhile, the outer surface of the organic coating layer is coated with the inorganic coating layer, so that oxidative damage of a strong oxidant to organic dispersant molecules of the organic coating layer can be prevented, and the dispersion stability and the polishing stability of the polishing composition are improved. Therefore, the polishing composition containing the grinding particles can continuously obtain low-defect and low-roughness surfaces when processing third-generation semiconductor materials.

The invention relates to the technical field of atomization, in particular to a composite atomization core and a preparation method thereof. Comprising a porous ceramic core material and an inorganic fiber aerogel layer coating the outer side of the porous ceramic core material. The composite atomizing core has super-strong tar locking performance, tobacco tar leakage can be avoided, and the atomizing effect is improved. Meanwhile, the composite atomizing core has excellent high-temperature stability and chemical stability, is not prone to oxidation, corrosion and core pasting, and can effectively solve the problems that a traditional atomizing core is poor in heat resistance and chemical stability. Meanwhile, the composite atomizing core is high in mechanical strength and not prone to deformation.

The invention discloses a high-stability lithium ion battery electrolyte which comprises the following raw materials: LiPF6, ethylene carbonate, dimethyl carbonate and an additive. Compared with the traditional electrolyte, the electrolyte prepared by the method provided by the invention has good stability, and can maintain a high battery capacity retention rate after 100 cycles, thereby improving the use performance and durability of the battery.

The invention discloses a quartz fiber toughened aluminum-carbon refractory material and a preparation method thereof, and belongs to the technical field of aluminum-carbon refractory materials. The refractory material comprises a main material, quartz fibers and a binding agent, the main material comprises the following components in percentage by weight: 65-70% of sintered tabular corundum particles, 10-15% of sintered tabular corundum fine powder, 5-10% of carbon black, 1-3% of boron carbide, 1-6% of activated aluminum oxide and 4-8% of silicon powder; the addition weight of the quartz fiber is 0.1-0.9% of the weight of the main material; the adding weight of the binding agent is 3-5% of the weight of the main material. The preparation method comprises the following steps: heating and uniformly mixing carbon black, boron carbide, activated aluminum oxide, silicon powder, quartz fibers and a part of binding agent in a closed strong stirrer, adding the rest raw materials, mixing, kneading, ageing, mechanically pressing, drying, and carrying out segmented heat preservation and heat treatment in a carbon-buried atmosphere, thereby obtaining the high-strength silicon-carbon composite material. And finally, the aluminum-carbon refractory material with high strength, good toughness, excellent thermal shock resistance and long high-temperature service life is prepared.

The invention discloses a preparation method of an in-situ cured lithium battery and the in-situ cured lithium battery, and relates to the technical field of lithium batteries. A fluorinated alkyl modified polyamide monomer or fluorinated alkyl modified polyacrylate monomer which is relatively stable to water and oxygen is added in a negative electrode slurry mixing process, and a fluorinated alkyl group is introduced, so that the chemical stability of the polymer is remarkably improved, and hydrolysis or oxidation is not easy to occur when the fluorinated alkyl group is added in the negative electrode slurry mixing process; and subsequently, a small amount of initiator is added into the electrolyte for in-situ thermal polymerization to form the semi-solid electrolyte. Only a small amount of initiator is added into the electrolyte, so that the problems that the viscosity of the electrolyte is increased and the conductivity is reduced due to the fact that the monomer and the initiator are added into the electrolyte together during preparation of the electrolyte in a traditional scheme are solved; in addition, advanced polymerization during transportation or long-term shelving can be avoided, so that the application efficiency and in-situ curing uniformity of the gel semi-solid electrolyte are remarkably improved, and the high-temperature performance of the battery is also improved while the rate capability is not degraded.

The invention discloses an aluminum alloy for preparing a train built-in bogie frame support and a preparation method of the aluminum alloy, and belongs to the technical field of alloys for high-speed trains. The aluminum alloy contains Zn, Mg, Cu, Zr, Ti, Mn, Y, V, Si and other elements, vanadium can form a solid solution and an intermetallic compound with magnesium and aluminum, so that lattice slippage and dislocation movement are hindered, the overall strength of the aluminum alloy is improved, and the aluminum alloy can bear larger external force while keeping light. According to the method, the aluminum alloy is manufactured through two-step superplastic die forging, defects can be prevented from being formed in the die forging process, stress concentration is reduced, and the mechanical property of the aluminum alloy is effectively guaranteed; and after two-step die forging, the alloy is uniform in plastic deformation and small and uniform in grain size, the mechanical property of the aluminum alloy is favorably improved, the aluminum alloy particularly has better fatigue property, and the aluminum alloy has better safety and reliability while light weight of the aluminum alloy is guaranteed.

The invention relates to a method for increasing the content of glutathione in egg yolk. According to the present invention, by using the effect that cysteine can combine glutamic acid and glycine in animal bodies so as to synthesize glutathione, the artificially synthesized N-acetylcysteine is added to the laying fowl feed, and the laying fowls are fed for 4 weeks, such that the glutathione content in the egg yolk is significantly increased, and can be up to 1.44 times of the glutathione content in the egg yolk of the common poultry egg, such that the glutathione content in the egg yolk can be significantly improved; and the nutritional value and the economic value of the poultry eggs are improved.

The invention belongs to the technical field of processing equipment of battery materials, and discloses discharging equipment and a discharging method of an Acheson graphitization furnace, the discharging equipment comprises a plurality of protective cover plates and a protective gas supply mechanism, the protective cover plates are sequentially erected above a furnace body, and a cooling chamber is formed by the protective cover plates and the furnace body; any two protective cover plates are provided with an air inlet channel and an air outlet channel respectively. The protective gas supply mechanism communicates with the gas inlet channel and is used for guiding gas into the cooling cavity, and the gas outlet channel is used for communicating the outside with the cooling cavity. Due to the existence of the discharging equipment, the negative electrode material is not easy to oxidize in the cooling process, and the specific surface area is reduced; and the flowing of the protective gas can take away part of heat in the graphitization furnace, the cooling period is shortened, the protective cover plates covering the graphitization furnace can better isolate external dust and prevent external pollution in the material suction process, and the quality of the negative electrode material is ensured.

The present invention belongs to the technical field of biosensors, and specifically is a biosensor and a method for improving its accuracy, comprising: a substrate, a reaction layer, an electrode sheet, a collection pipe, and a piston; the piston is slidably and sealingly connected in the collection pipe, and a sliding rod is fixedly connected to one side of the piston. In order to solve the problem that patients with high blood sugar will measure their blood sugar by themselves, but the operation of these patients is sometimes not standardized, resulting in the inability of the test paper to absorb sufficient blood, insufficient blood volume, and a deviation rate of up to 39% to 85%. Insufficient blood volume sometimes causes a blood glucose meter to report an error, requiring blood sampling and measurement again, and the test paper is a disposable item, thus causing a waste problem; the present invention collects blood by arranging a piston and a collection pipe, and determines whether the blood collection is sufficient by observing the blood volume in the collection pipe, ensuring that sufficient blood volume enters the reaction layer, ensuring the accuracy of blood sugar detection, and can replenish blood when the blood volume is insufficient, without wasting test paper.

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.

The invention discloses an inert carbon fiber felt coating carrier as well as a preparation method and application thereof. The preparation process of the film-coated carrier comprises the following steps: cleaning the carbon fiber felt, and sequentially carrying out calcination passivation and hydrophobic solution impregnation to obtain the film-coated carrier, the calcination passivation process is carried out in a mixed atmosphere of hydrogen and protective gas. According to the coating carrier, the carbon fiber felt serves as a base body, the combination effect between the carbon fiber felt and an evaporation agent is effectively improved through passivation and attachment of a hydrophobic layer, and the carbon fiber felt is stable in property, not prone to oxidation, free of chemical reaction with the evaporation agent and convenient for long-term storage of the agent; based on the excellent physical and chemical properties of the carbon fiber felt coating carrier, when the coating carrier is applied to vacuum evaporation, the stability and reusability of the coating carrier are greatly improved on the premise of ensuring the coating performance.

The present application provides an atomizer and an electronic atomization device. The above-mentioned atomizer includes a substrate, a conductive graphene coating and a conductive rod. The substrate is provided with an abutment portion and a heating portion. The substrate is formed with vents, and the vents extend to the surfaces of the abutment portion and the heating portion, respectively; the conductive graphene coating is at least formed on the inner wall of the abutment portion, the heating portion and the vent, respectively; the conductive graphene coating is used to abut against the cigarette at a position corresponding to the heating portion; the conductive rod abuts against the conductive graphene coating at a position corresponding to the abutment portion. Since the conductive graphene coating can achieve uniform heating when conducting electricity, and the inner wall of the vent is coated with the conductive graphene coating, the airflow passing through the vent can be reliably heated, avoiding the problem of uneven heating in the traditional heating through the heating wire, and heating the cigarette by utilizing the thermal radiation and thermal convection principles of the hot air flow, which greatly improves the utilization efficiency of thermal energy and reduces the energy consumption of the electronic atomization device.

The invention discloses a vitamin B12 injection and a preparation method thereof, and relates to the technical field of pharmaceutical preparations. The preparation method of the injection comprises the following steps: (1) dissolving the raw material medicines: dissolving the vitamin B12 and the benzyl alcohol in the water for injection to obtain an injection A; (2) dissolving a stabilizer-synergist: firstly adding L-cysteine into the injection A, then adding liraglutide, and uniformly mixing to obtain an injection B; (3) pH value adjustment: adjusting the pH value of the injection B to 4.0-4.5 to obtain an injection C; (4) dissolution of an impurity reducing agent-osmotic pressure regulator: sequentially adding spleen aminopeptide and glucose into the injection C, and standing to obtain an injection D; (5) fixing the volume, filtering and sterilizing; and (6) filling. According to the vitamin B12 injection prepared by the method, the preparation time can be greatly shortened, and total impurities in a final finished product can be obviously reduced through reasonable dissolution sequence, selection of stirring materials and limitation of temperature and pH value.

The utility model provides a sealing track suitable for a soft solder die bonder, relates to the technical field of semiconductor equipment processing auxiliary devices, and aims to solve the problem that in the production operation process of a conventional soft solder die bonder, a frame in a high-temperature track is influenced by track deformation, hydrogen-nitrogen mixed gas proportion, gas consumption, window size on a cover plate and the like, so that the frame is not easy to deform. The device comprises a frame, an H-shaped rail is fixedly connected to the frame, a heating rod is installed on the side wall of the H-shaped rail, cover plates are installed on the H-shaped rail, the cover plates are of a split type structural design, a tin drawing window, a die pressing window and a patch window are sequentially arranged on the second cover plate from left to right, and the tin drawing window, the die pressing window and the patch window are sequentially arranged on the second cover plate from left to right. The H rail is further provided with multiple sets of receding grooves, a blowing hole is further formed in the position, located on the H rail, of the right side of the heating rod, hydrogen and nitrogen mixed gas is input into the blowing hole, and the two sides of the H rail are designed to be heightened.

The invention discloses an atomization device and atomization equipment, and the atomization device comprises a main body which is provided with an oil injection cavity and an oil storage cavity, the cavity wall of the oil injection cavity is provided with a movable hole and an oil injection hole, the movable hole extends to the outside of the atomization device, and the oil injection hole extends to be communicated with the oil storage cavity; the movable sealing rod movably penetrates through the movable hole and the oil injection hole, the movable sealing rod comprises a sealing section and an oil passing section, the outer diameter of the sealing section is larger than that of the oil passing section, and the outer diameter of the oil passing section is smaller than the inner diameter of the oil injection hole, so that the movable sealing rod has an oil blocking position and an oil passing position on a movement track; at the oil blocking position, the sealing section is sequentially inserted into the movable hole and the oil injection hole so as to block the movable hole and the oil injection hole; at the oil passing position, the oil passing section penetrates through the oil injection hole, so that tobacco tar in the oil injection cavity enters the oil storage cavity through an overflowing gap between the hole wall of the oil injection hole and the oil passing section. According to the atomizer, tobacco tar is located in the sealed oil injection cavity and is not prone to being oxidized before atomization, and therefore the taste of aerial fog is guaranteed.

The invention discloses a sodium methoxide integrated production system which comprises a reaction kettle, a dryer and a quantitative forming mechanism, the quantitative forming mechanism comprises a first fixing plate and a second fixing plate, the second fixing plate is supported and fixed through a supporting frame, and the first fixing plate is fixed to the top end of the second fixing plate through a support. An extrusion opening and a first discharging opening are formed in the first fixing plate, a second discharging opening is formed in the second fixing plate, the second discharging opening is located under the first discharging opening, an extrusion plate and a discharging plate are arranged at the top end of the first fixing plate, and an extrusion die is arranged between the first fixing plate and the second fixing plate. The finished product sodium methoxide is pressed into a cake shape, compared with direct packaging of powder, the cake-shaped structure is more regular and can be arranged more tightly, waste of packaging space is reduced, and the packaging efficiency is improved.

The invention provides an industrial analysis and determination method of composite ferrocoke, test items comprise the contents of total iron, metallic iron, FeO, C, trace elements, SiO2, Al2O3, air dry basis moisture, dry basis volatile components and ash in the composite ferrocoke, carbon, iron and iron oxides contained in the composite ferrocoke are fully considered in the method, the interference of C is eliminated in determination of total iron, metallic iron and FeO, and the content of trace elements in the composite ferrocoke is determined. When the ash content is calculated, the influence of the substances is considered, so that the ash content and other test items of the composite iron coke are accurately measured, and an accurate basis is provided for feeding calculation of the composite iron coke.

The utility model relates to the technical field of square coil pipes, in particular to an industrial kiln square coil pipe based on a high-conductivity composite material, which comprises a square coil pipe shell and a suspended support plate, the suspended support plate is fixedly connected to the inner side of the square coil pipe shell, a square coil pipe inner shell is fixedly connected to one side of the suspended support plate, and a filling groove is formed in the inner side of the square coil pipe shell. A filling groove is formed in the metal layer, a mounting cover shell is arranged on the inner side of the filling groove, a center mounting plate is fixedly connected to the inner side of the mounting cover shell, a fixing hole column is fixedly connected to one side of the center mounting plate, a fixing hole is formed in the inner side of the fixing hole column, and a discharging hole is formed in the inner side of the mounting cover shell. The first graphene layer has good circulation stability and chemical stability and is not prone to being oxidized or corroded, the filling groove is filled with a layer of carbon composite material, the high temperature resistance and oxidation resistance of the device are improved, and the service life of the device is prolonged.

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 invention relates to the field of marinated fragrant products, and discloses a processing technology of a freshly-fished marinated fragrant product. The processing technology of the freshly-fished marinated fragrant product comprises the following steps: S1, performing quick-boiling treatment on a meat food material to obtain a pretreated meat food material; s2, adding water and a first seasoning according to a weight ratio of 100: (2.5-3) into a marinating pot, heating to 75-85 DEG C, putting the pretreated meat food material and water according to a weight ratio of 100: (55-65) into the marinating pot, heating to 90-100 DEG C, and marinating for 40-50 minutes; and S3, cooling to 80-85 DEG C, adding a second seasoning accounting for 0.15-0.25 wt% of the weight of the water, and marinating for 10-20 minutes to obtain the freshly-fished marinated fragrant product. The first seasoning is a marinating material, and the second seasoning is prepared from xylooligosaccharide, corn oligopeptide and a water-retaining agent. The freshly-fished marinated fragrant product prepared by the processing technology disclosed by the invention is delicious in taste, can keep bright color after being placed for a long time, and is soft, elastic, fresh and tender in meat quality.

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.