1213 results about "New materials" patented technology

The invention relates to the technical field of wind power blade material testing, and discloses a testing device and method for a salt spray corrosion test of a wind power blade composite material layer. According to the method, wind power blade composite material coating preparation parameters are obtained, and coating basic information is provided for subsequent performance evaluation; based on preset salt spray test environment control parameters, dynamic salt spray environment simulation conditions are generated so as to better fit the actual outdoor environment; then, a multi-sensor coupling monitoring network is constructed, real-time data acquisition is conducted on the corrosion process of the composite material coating, and comprehensive tracking of the corrosion process is achieved; processing real-time data by utilizing a corrosion characteristic analysis algorithm, generating a multi-dimensional corrosion characteristic index, and quantitatively representing the corrosion condition of the coating; and finally, evaluating the anti-corrosion stability of the new material coating in combination with the coating characteristic parameters and the multi-dimensional corrosion characteristic indexes. According to the method, the corrosion resistance of the coating in the actual environment can be more accurately reflected, and support is provided for research, development and application of the composite coating of the wind power blade.

The invention relates to a bionic Al / SiC composite material with a three-dimensional network multilevel structure and a preparation method of the bionic Al / SiC composite material, and belongs to the technical field of new material preparation. According to the method, through the collaborative process of freeze casting and organic foam impregnation, the problem that in the prior art, the multilevel aperture and the complex network structure are difficult to cooperatively regulate and control is solved. The preparation method comprises the following specific steps: preparing tert-butyl alcohol-based ceramic slurry, impregnating the slurry with polyurethane foam, performing freeze casting molding, removing a solvent through freeze drying, performing high-temperature sintering to form SiC ceramic with a three-dimensional reticular hierarchical pore structure, and finally preparing the Al / SiC composite material through a vacuum pressure infiltration process. Wherein a sintering aid is added into the slurry, so that the sintering temperature is obviously reduced; the specification (40-60 ppi) of polyurethane foam, the solid phase content (20-30 vol.%) of slurry, the freezing speed (0-90 DEG C) and the content (5-20 wt.%) of a sintering aid are regulated and controlled. And the cross-scale collaborative design of micron-scale directional holes and millimeter-scale mesh holes is realized. The Al / SiC composite material prepared by the invention has the advantages that the compressive strength, fracture toughness and other properties are obviously higher than those of the traditional single-aperture porous ceramic, and the Al / SiC composite material is suitable for the fields of manufacturing and energy absorption of precise instruments, electronic packaging and optical devices.

The invention discloses an EsSTB1 gene capable of increasing the number of branches of a plant, reducing the plant height and delaying flowering. The EsSTB1 gene has the functions of increasing the number of branches, reducing the plant height and delaying flowering, and a scientific basis and a new material are provided for cooperative regulation and control of tillering formation and reproductive growth of siberian wildrye; besides, the functional verification method of the EsSTB1 gene provided by the invention performs functional verification by applying transgenic arabidopsis thaliana starting from an internal regulation mechanism of tillering regulation of siberian wildrye, has obvious research depth and breadth and technical effects, and can obtain a plant strain with an intentional phenotype. Through verification, the siberian wildrye EsSTB1 gene disclosed by the invention can be used for remarkably increasing the number of branches of a plant, reducing the plant height and delaying flowering. The method is suitable for popularization and application in the biotechnology field.

The invention discloses an anti-oxidation packaging material for hot rolling of thermoelectric materials and a preparation method of the anti-oxidation packaging material, and relates to the technical field of new materials. The packaging material is of a three-layer composite tubular structure and sequentially comprises, from inside to outside, an anti-oxidation barrier layer which is a composite material with an Fe-Al intermetallic compound as a matrix and Y2O3 particles dispersed and distributed; the transition layer is a Ni-Cr-Fe-Mn-C series solid solution alloy with Ni as a matrix; and the structure supporting layer is made of microalloyed low-carbon bainite steel. The layers are metallurgically bonded through hot isostatic pressing, and then the hollow composite pipe is manufactured through cold drawing. The packaging material has excellent high-temperature oxidation resistance, good plastic deformation capacity and structural strength, can effectively isolate oxygen, coordinate strain and maintain overall integrity in the high-temperature hot rolling process, is suitable for protection and densification of Bi2Te3-based, PbTe-based and SiGe-based thermoelectric materials and the like, and remarkably improves thermoelectric performance and production consistency of the thermoelectric materials.

The invention discloses a method for acquiring grain orientation characteristics based on optical and height characteristics of an alloy etching structure. The method comprises the following steps: (1) acquiring grain orientation distribution and grain size of an alloy surface structure; (2) obtaining an etching structure on the surface of the alloy; (3) acquiring optical characteristics of the etched structure on the surface of the alloy; (4) obtaining height characteristics of an alloy surface etching structure; and (5) constructing a correlation model of structure grain orientation characteristics based on alloy surface optics and height characteristics, and realizing prediction. Aiming at the test of the alloy grain orientation, the optical and height characteristics of the alloy surface etching structure are synthesized, the measurement of the centimeter-level large sample size or full-area grain orientation of the alloy is easy to realize, and compared with the existing measurement aspect, the method is more efficient and convenient; and more comprehensive and reliable tissue information can be provided for alloy optimization and new material development, and the method has important significance for high-throughput characterization and intelligent manufacturing.

The invention provides a wear-resistant aerogel coating and a preparation method thereof, and belongs to the technical field of new coating materials. The method comprises the following steps: carrying out cleaning, coarsening and plasma activation pretreatment on the surface of a base material; the preparation method comprises the following steps: dissolving polyurethane in a solvent, adding a wear-resistant reinforced phase containing silicon dioxide and an acrylic acid material, uniformly dispersing, and adding a cross-linking agent for cross-linking reaction to form polyurethane aerogel slurry; and coating the surface of a pretreated base material with the slurry in the early stage of a cross-linking reaction, and then carrying out low-temperature or freeze-drying and heat treatment curing to obtain the wear-resistant aerogel coating. By compounding the polyurethane flexible skeleton and the wear-resistant reinforced phase, the wear resistance, adhesive force and structural stability of the coating are remarkably improved while the characteristics of light weight, porosity, heat insulation and buffering of aerogel are maintained, the coating is suitable for surface protection of various base materials under complex working conditions such as friction and impact, the process is simple and controllable, and the cost is low. And the method has a wide engineering application prospect.

The invention discloses a method for reducing impurity element sulfur in cast high-temperature alloy return scraps, and belongs to the technical field of metal material smelting. The method comprises the following steps: carrying out vacuum induction melting on pretreated cast high-temperature alloy return scraps of the same mark to obtain a return scrap alloy induction ingot; surface oxide skin of the obtained return scrap alloy induction ingot is removed, a primary shrinkage cavity in the upper end is cut off, then the return scrap alloy induction ingot and an auxiliary electrode are coaxially welded, and a consumable electrode is obtained; and after the consumable electrode is baked, electroslag remelting is conducted under the protective atmosphere, and an electroslag ingot is obtained. On the basis of vacuum induction melting, the protective atmosphere electroslag remelting technology is further adopted for conducting deep purification melting treatment on the return scrap alloy ingot, the content of the impurity element S in the return scrap alloy ingot can be reduced to 0.5 ppm or below, and the content of the impurity element S in the return scrap alloy ingot reaches the level lower than the content of the element S in a new material; and the high-temperature oxidation resistance and corrosion resistance of the alloy can be obviously improved, and the fatigue, durability and other mechanical properties of the alloy are improved.

The invention relates to a preparation, regulation and control method of a thermoplastic elastomer encapsulating material in the technical field of new materials, which comprises the following steps: realizing an in-situ reaction process by controlling the concentration and reaction temperature of reactive functional groups in the encapsulating material according to an interface reaction rate constant and active group distribution density; if the reaction conversion rate reaches a preset value, a chemically bonded interface bonding layer is formed; monitoring the stress distribution state in the rubber coating layer by adopting a stress analysis algorithm, and when detecting that local stress concentration exceeds the yield strength of the material, dispersing a stress concentration area by adjusting the length of a flexible chain segment and the density of a rigid cross-linking point in a cross-linking network; and deformation data and a bonding strength change trend of the interface bonding layer in the temperature cycling process are obtained, if the bonding strength attenuation rate exceeds a preset threshold value, a dynamic cross-linking mechanism is activated, and the dynamic equilibrium state of interface bonding is maintained through fracture and recombination of a reversible covalent bond.

The invention discloses a preparation method and application of an iron-manganese modified biochar material for remediation of cadmium and arsenic contaminated soil, and relates to the field of new materials.According to the material, rice hull biochar serves as a carrier, and the specific surface area and surface active sites are increased through programmed intermittent ball milling; and the Fe-O / Mn-O bonding modification complex is formed through gradient loading of iron and manganese oxides. The maximum adsorption capacity of the material to Cd < 2 + > and As (V) reaches 71.54 mg.g <-1 > and 49.30 mg.g <-1 > and is 1.65 / 2.53 times that of original biochar, the content of available Cd and As in soil is reduced by 8.98% and 25.2% under the condition that the addition amount is 0.4%, and the passivation efficiency is improved by 1.05 times (Cd) and 9.08 times (As) compared with that of non-ball-milled iron-manganese modified biochar; the material prepared by the method is applied to cadmium and arsenic polluted soil, pollution can be controlled by waste, and the soil can be effectively repaired.

The invention relates to the technical field of advanced petrochemical and chemical new materials, in particular to a fireproof flame-retardant glass fiber reinforced plastic pipeline material and a preparation method thereof.The fireproof flame-retardant glass fiber reinforced plastic pipeline material is prepared from phenolic resin, alpha-olefin ethylene copolymer, modified nano aluminum hydroxide, glass fiber, a phosphorus-nitrogen flame-retardant synergist, a silane coupling agent, a curing agent and an antioxidant; according to the invention, the formula of the fireproof flame-retardant glass fiber reinforced plastic pipeline material is designed, various fillers are subjected to multi-step modification treatment, and preparation process parameters are optimized, so that the synergistic effect of various components and various process steps is realized, and the material performance is greatly improved from microscopic interface bonding to macroscopic material performance; the technical problems that in the prior art, flame retardance and mechanical performance are difficult to consider, aging resistance is poor, and a formed structure has defects are effectively solved.

The invention belongs to the technical field of asphalt back-doping, and particularly relates to an old material and new material ratio optimization method and system for asphalt back-doping treatment, and the method comprises the steps: obtaining the performance parameters of old materials and new materials, the performance parameters comprising a fluidity parameter and a temperature parameter; determining a heating demand based on the temperature parameter; when the heating demand meets a preset heating capacity constraint, determining an optimal proportion between the old material and the new material based on the fluidity parameter, and generating at least one alternative proportion scheme according to a maximum allowable doping proportion of the old material, actual heat capacity of the old material, actual heat capacity of the new material and an allowable heating capacity upper limit; according to the method, the fluidity parameter and the temperature parameter are fused, and the proportion is dynamically corrected, so that the accurate determination of the proportion scheme is realized; through constraint verification of the heating process, effective activation of the performance of the old material is ensured; and by generating a substitution ratio scheme, the construction flexibility and reliability are enhanced, and the asphalt pavement quality and the engineering practicability are improved.

The invention discloses a magnetic electronic device for generating track torque by using a metal vanadium or titanium track Hall effect and a manufacturing method thereof. The device comprises a substrate, a track Hall structure containing a vanadium or titanium layer, and a heavy metal layer and a ferromagnetic layer which are adjacent to the track Hall structure, when a charge current passes through the vanadium or titanium layer, a transverse track current is generated based on the track Hall effect, and the track current is injected into the ferromagnetic layer and then converted into an effective track torque for controlling the magnetization state of the ferromagnetic layer. Preferably, the ferromagnetic layer has a perpendicular magnetic anisotropy. According to the invention, the light transition metal vanadium or titanium is used as the track Hall material, the experiment proves that a huge track Hall angle greater than 0.45 can be obtained, and meanwhile, the resistivity of the material is lower, so that the shunting phenomenon can be reduced in an actual device, and the critical current density for realizing write-in flipping can be obviously reduced. The device is simple in structure and compatible with an existing semiconductor process, and a brand new material platform is provided for developing a low-power-consumption and high-density magnetic random access memory (MRAM).

The invention provides a high-temperature solid heat storage material based on industrial solid waste, a preparation method of the high-temperature solid heat storage material and a heat storage pile, and belongs to the technical field of energy and new energy storage and energy saving materials. The high-temperature solid heat storage material is prepared by introducing three functional additives with a synergistic effect: a composite alkali-boron activator is used for bonding and forming solid waste raw materials through a geological polymerization reaction at a low temperature, and is converted into a fluxing agent at a high temperature to promote low-temperature densification of the material; a core-shell structure thermal conductivity reinforcing agent with an anti-oxidation glass shell layer constructs an efficient three-dimensional heat conduction network in the material, and the heat conduction rate is increased; meanwhile, the Li-Al-Si vitrified precursor powder is induced to separate out low-thermal-expansion microcrystals in a third temperature stage, and the material is endowed with thermal shock resistance stability through a microstress compensation mechanism; the three additives have a synergistic effect to improve the heat storage performance and mechanical stability of the material.

The invention relates to the technical field of preparation of new materials and composite materials, and discloses a ceramifiable aramid nanofiber reinforced phenolic aerogel composite material and a preparation method thereof, the composite material is prepared from a hybrid aramid nanofiber preform and a matrix phenolic resin; wherein the preform is prepared by mixing aramid nano-fiber slurry, a silane coupling agent, a transition metal precursor and water-soluble phenolic resin and freeze-drying the mixture. The preparation method comprises the following steps: dipping a preform into a matrix phenolic resin solution, carrying out sol-gel reaction and drying to obtain the composite material, and further carrying out high-temperature carbonization treatment. Through a multi-scale synergistic enhancement strategy, the silane coupling agent is utilized to reinforce interface bonding, and the transition metal precursor is utilized to realize high-temperature in-situ ceramization, so that the mechanical strength, the structural integrity and the ablation-resistant thermal protection performance of the composite material are improved, and the problems of high brittleness and easy pulverization of the traditional phenolic aerogel are solved.

The invention provides an automatic control method and system for a textile production line, and relates to the technical field of textile production, and the method comprises the steps: applying a controlled dynamic excitation signal to a yarn, so as to obtain the instant response data of the yarn; according to the instant response data, physical characteristic information of the yarn is calculated; determining a running parameter range of the yarn according to the physical characteristic information; continuously acquiring running state information of the loom and the yarn, and comparing the running state information with the running parameter range to judge whether the production state is close to or beyond the boundary of the running parameter range; when it is judged that the production state approaches or exceeds the boundary of the operation parameter range, control parameters in the production process are adjusted according to the operation state information, so that the production state is maintained within the operation parameter range. The system can effectively avoid production efficiency reduction and product quality problems caused by material characteristic changes, and overcomes the limitation that a traditional system cannot adapt to new materials.

The invention relates to the field of neodymium-iron-boron magnet production processes, in particular to a neodymium-iron-boron magnet preparation method which comprises the following steps: S1, after neodymium-iron-boron leftover materials are classified, cleaned and coarsely crushed, hydrogen decrepitation is carried out, and recycled coarsely crushed powder B is obtained; s2, proportioning and smelting an alloy according to specified requirements, and carrying out hydrogen decrepitation to obtain new material coarsely crushed powder A; s3, after the powder A and the powder B are subjected to airflow milling, a lubricant, an antioxidant and aviation gasoline are added into the powder A and the powder B respectively, stirring and mixing are conducted, and fine powder A and fine powder B are obtained respectively; s4, the fine powder A and the fine powder B obtained in the S3 are mixed and sieved, and mixed powder C is obtained; and S5, the mixed powder C is subjected to magnetic field orientation forming, cooling static pressure, oil stripping and sintering, and finally the neodymium iron boron magnetic material is obtained. According to the method, efficient, economical and environment-friendly recycling of the neodymium-iron-boron magnetic material leftover materials is effectively achieved, and the neodymium-iron-boron magnetic material leftover materials are made into new magnetic materials with the performance reaching the standard again.

The invention relates to a synthesis method of functionalized (poly) silazane, which comprises the following steps: providing heat energy or light energy under the action of an iron catalyst, and completely reacting in a corresponding solvent in the presence of an additive and a functionalization reagent to realize the breakage and functionalization of carbon-hydrogen bonds on a chain in the (poly) silazane compound so as to obtain a polar functionalized product; a (poly) silalkane (oxo) compound; according to the method, commercialized silane, siloxane and polysiloxane compounds are directly used as raw materials, carbon-hydrogen bond functionalization is carried out in a catalytic mode, the method has the advantages of being simple in reaction, easy to operate, short in reaction time, mild in reaction condition, high in reaction efficiency, easy in product separation and purification, good in substrate universality and the like, and a large amount of precious metal and heavy metal salt are prevented from being used; the method is suitable for industrial production in the fields of small molecule synthesis, polymer modification, new material synthesis, luminous silica gel, waste silica gel recovery and the like.

The invention relates to a device and a method for connecting finite webs of material for the energy cell producing industry, wherein the device comprises a holding device adapted to hold the new web of material by means of negative pressure in the second guide section, as well as a backing element and a cutting element, downstream in the conveying direction of the holding device. The backing element and the cutting element are adapted to cut the stationary new web of material to produce a new leading end of the new web of material. The device also comprises an applicator for applying an adhesive strip to the new leading end of the new web of material and a ram and a cutting device, wherein the cutting device is adapted to cut the stationary running-out web of material to produce a new trailing end of the running-out web of material. The ram is adapted to press the trailing web end of the running-out web of material onto the adhesive strip and against the applicator in order to connect the new leading end of the new web of material to the new trailing end of the running-out web of material.

The invention belongs to the technical field of new materials and electronic information, and particularly relates to a transition metal doped ZnIn2S4 gas sensor as well as a preparation method and application thereof. The gas sensor comprises a substrate and a transition metal doped ZnIn2S4 nano array growing on the surface of the substrate in situ, the nano array is composed of a plurality of two-dimensional nano sheet layers, the two-dimensional nano sheet layers are arranged in a staggered stacking mode and extend at an included angle of + / -5 degrees relative to the normal direction of the surface of the substrate, and the transition metal doped ZnIn2S4 nano array is arranged on the surface of the substrate. And a network assembly with a three-dimensional flower-shaped topological structure is formed through physical or chemical connection. The preparation method is simple, the energy band structure of the material is effectively regulated and controlled, the forbidden band width is reduced, on the other hand, the specific surface area of the material is remarkably increased, and the pore size distribution is optimized. And the prepared gas sensor shows excellent gas selectivity to triethylamine, is high in response value and high in recovery speed, and is expected to be applied to the fields of environmental monitoring and food safety.

The invention discloses a preparation method of a Sn-Bi-Ni-Cu quaternary liquid alloy methane cracking catalyst, production raw materials comprise composite melt metal and composite transition metal, and the mass ratio of the composite melt metal to the composite transition metal is 1: (0.3-1.2); the composite melt metal is composed of Sn and Bi according to the mass ratio of 1: (1.3-1.7); the composite transition metal is composed of Ni and Cu according to the mass ratio of 1: 0.15-1.2. The quaternary liquid alloy catalyst has the advantages that: 1) compared with the existing catalyst for hydrogen production by methane cracking, the quaternary liquid alloy catalyst provided by the invention can stably operate for more than 1000 hours in a range of normal pressure to 3MPa and air speed of 100-100mL. G <-1 >. H <-1 >, the active phase retention rate is more than 95%, and the quaternary liquid alloy catalyst is especially suitable for alkane pyrolysis hydrogen production, CO2 hydrogenation and easy carbon deposition reaction systems, and has a wide application prospect; a new material design thought and an engineering implementation scheme are provided for the field of liquid metal high-temperature catalysis; and 2) experiments show that the quaternary liquid alloy catalyst prepared by the method provided by the invention can significantly improve the carbon sequestration rate and the hydrogen yield.

The invention belongs to the technical field of novel environment-friendly printing and water-based packaging protection materials, and discloses high-wear-resistance degradable water-based plastic-replacing oil, a preparation method and application of the high-wear-resistance degradable water-based plastic-replacing oil. Water-based matte polyurethane, a water-based acrylic polymer and water-based bright polyurethane serve as core film-forming substances, and water-based matte polyurethane, water-based acrylic polymer and water-based bright polyurethane serve as core film-forming substances; degradable reinforcing agents such as nano-crystalline cellulose and functional auxiliaries are compounded, and a step-by-step dispersion technology is adopted for preparation. Through cooperation of the formula and the technology, the comprehensive performance that the A4 paper is resistant to abrasion for more than 3000 times, the natural biodegradation rate is more than 3000 times, the folding and explosion resistance is 30 times and the like can be achieved, complex chemical modification is not needed in the technology, the production period is remarkably shortened, a traditional BOPP film covering technology can be replaced, and the method is suitable for a high-speed printing and packaging production line and is suitable for protection of various paper packages such as digital electronics, cosmetics and tobacco and wine. The problems that a traditional BOPP covering film is difficult to degrade, wear resistance and degradation of existing water-based plastic replacing oil are difficult to consider, and quick drying conflicts with film forming are solved.

The invention relates to the technical field of plastic forming, and discloses a plastic leftover material forming process of a layered compaction structure, which comprises the following steps: S1, raw material pretreatment: selecting a new plastic material meeting performance requirements, drying, mixing with pretreated recycled material particles in proportion, uniformly stirring, and feeding into a raw material storage tank for later use; s2, melting and injection molding: feeding the mixed raw materials into an injection molding machine, heating in different areas through a charging barrel, and stirring and melting into a melt through a screw rod; the die set is arranged, through an immediate leftover material separation and recovery system, the cut leftover materials can be rapidly recycled, soil and water pollution caused by leftover material accumulation is avoided, meanwhile, waste of plastic raw materials is reduced, and the development concepts of green manufacturing and circular economy are met. Due to the sealing protection design of the die set, pollution caused by melt leakage is avoided, and diffusion of dust and harmful gas is reduced through the sealing structure of the movable groove.

The application discloses a kind of plastic new material aging detection equipment, it is related to plastic new material aging detection equipment technical field, including cabinet, the sample holder is fixedly installed in cabinet cavity bottom end, and plastic sample is clamped and fixed by clamp above sample holder, and the aging test surface of plastic sample is non-planar structure, the slot is opened in the top of cabinet both sides, and the top opening buckle of slot is fixed with cover plate.The plastic new material aging detection equipment, the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the

The invention belongs to the field of new materials, and particularly relates to a super-hydrophobic composite coating with mechanical firmness, self-cleaning property and high wear resistance, a method and application thereof. According to the preparation method, epoxy resin (E51) is adopted as a binder, quartz sand, modified F-TiO nano particles and SiO nano particles are combined, and the quartz sand / F-TiO / SiO coated EP super-hydrophobic composite coating of a double-layer structure is prepared through a simple and convenient blade coating-spraying process. According to the coating, through multi-scale hierarchical structure design and low surface energy modification, a static water contact angle of 151 degrees and 1t are achieved; the rolling angle of 5 degrees shows excellent self-cleaning performance on liquid and solid pollutants. A mechanical stability test shows that in a Taber abrasion test, the coating still keeps good hydrophobicity after being abraded for 3000 cycles under the load of 250 g and abraded for 600 cycles under the load of 750 g; after 500 times of adhesive tape stripping experiments, the static water contact angle is still greater than 120 degrees, the rolling angle is as low as 5 degrees, and excellent wear resistance and substrate adhesion are shown.

The application belongs to the field of new material preparation, and particularly relates to a preparation method of amino-modified biochar / SiO2 composite aerogel. The application prepares cellulose / SiO2 composite aerogel by taking cellulose as a template and tetraethyl orthosilicate as a silicon source, obtains biochar / SiO2 composite aerogel after high-temperature calcination, and then carries out amino modification on the biochar / SiO2 composite aerogel by using a polymer obtained by cross-linking reaction of 3-glycidoxypropyltrimethoxysilane and diethylenetriamine, to obtain amino-modified biochar / SiO2 composite aerogel. The amino-modified biochar / SiO2 composite aerogel prepared by the application has high selectivity for CO2 adsorption, and the preparation process is simple.

The application discloses a method and system for predicting mechanical properties of laser welded particle reinforced welds of aluminum-lithium alloys, and particularly relates to the field of predicting mechanical properties of laser welded joints. A cross-scale parameter transfer path from first principles to crystal plasticity is established. By constructing a unified high-precision machine learning potential function, the mechanical behavior of complex multi-phase interfaces is accurately quantified, providing a solution for understanding the micro-damage mechanism of the weld. Secondly, by establishing an experiment-driven closed-loop self-correction mechanism, the cumulative error problem introduced by the simplification of models at different scales is effectively solved, and the self-optimization and precision improvement of the prediction model are realized. Finally, a high-confidence digital tool is provided for welding process parameter optimization and new material design, significantly shortening the research and development cycle and reducing the test cost, and having important engineering application value in the field of high-end manufacturing such as aerospace.

The application discloses a kind of visual inspection mechanism based on PCB new material glue dispensing, it is related to PCB circuit board processing detection equipment field, including: device base and two installation shells, two installation shells between being provided with two drive carriages, the inside of drive carriage is equipped with glue gun and curing lamp, the side corresponding to two installation shells is equipped with clamping plate, the top of device base is equipped with conveyor for conveying PCB circuit board;Further including: detection mechanism, detection mechanism includes two support plates, first electric sliding platform is installed between two support plates, the bottom of first electric sliding platform is equipped with second electric sliding platform, the bottom of second electric sliding platform is equipped with mounting plate, and a plurality of optical detection probes are installed on the bottom of mounting plate;The application is detected by detection mechanism, and the effectiveness of glue on the surface of PCB circuit board is detected in time, to avoid the situation of glue leakage, so as to guarantee the dispensing quality of PCB circuit board.

The invention belongs to the technical field of new materials, and provides an aerogel composite insulation board as well as a preparation method and application thereof. The aerogel composite insulation board is prepared from the following raw materials in parts by weight: 100 parts of an inorganic cementing material, 4.5 to 10 parts of polystyrene foam particles, 0.6 to 1.8 parts of silicon dioxide aerogel powder, 3 to 6 parts of silica sol and 80 to 110 parts of water, the inorganic cementing material comprises Portland cement, gypsum and calcium hydroxide. The aerogel composite insulation board is low in heat conductivity coefficient, high in compressive strength and excellent in fire resistance and flame retardance, meets the increasingly high building energy-saving and fireproof safety requirements at present, and is a novel building energy-saving insulation material with great development prospects.

The present invention relates to novel materials and electronic devices, in particular organic electronic devices such as OLEDs (organic light emitting diodes) containing these materials, for example as hole injection materials, hole transport materials or electron blocking materials. The invention also relates to mixtures that contain these novel materials.

The utility model relates to the technical field of shoe sole mould, especially a mould for rubber new material shoe sole production, including base, drive assembly A, movable plate, push assembly, support, discharge hopper and transmission assembly, setting up the turntable on the base, setting up the mould groove on the turntable, and setting up the annular groove on the turnplate, drive assembly A drives the rotation of turntable, movable plate sets up in the annular groove, sets up a plurality of jacks on movable plate, and each jack is inserted into the mould groove of corresponding side respectively, push assembly sets up on the base and promotes the ascending of movable plate of corresponding side, the crosspiece is connected to the male die that the crosspiece is swingly set up on the support, and drive assembly B that drives the crosspiece to go up and down is set up on the support, the discharge hopper sets up on the support, and the push plate is swingly set up on the discharge hopper, and transmission assembly transmission connects the crosspiece with push plate, the utility model discloses the raw material extrusion forming in one side mould groove at the same time with the shoe sole of the other side forming automatic push out, realizes automatic discharge, and shoe sole forming efficiency is high, and loading is safe and convenient.