327results about How to "Originality" patented technology

The invention provides a method for continuously synthesizing a precursor of a lithium ion battery positive material, relating to an improvement of a synthesis method of a nickle cobalt manganese termary positive material nickle cobalt lithium manganate of the lithium ion battery positive material. The method is characterized in that the synthesis process is as follows: merging a complexing agent ammonia, an aqueous solution of metal nickle cobalt manganese ions and a precipitator sodium hydroxide solution and then continuously adding the substances into a reaction kettle for a synthesis reaction under the strong stirring condition in the presence of protective gas; and aging, filtering and washing the effluent from the reaction kettle, and then drying to obtain the lithium ion battery positive material precursor spherical nickle cobalt manganese termary hydroxide. The method has the advantages that the preparation process is continuous, the particle size of the prepared nickle cobalt manganese compound hydroxide powder is controlled in a range of 5-20 microns, and the prepared nickle cobalt manganese compound hydroxide powder is even in distribution and excellent in electrochemistry property. The method has the advantages of high production efficiency, low production cost and significant economic and social benefits, and the energy is saved.

The invention relates to an aeronautical data chain information-based civil aircraft aviation electronic verification system and a method thereof. The civil aircraft aviation electronic verification system comprises an aeronautical data chain information receiver, a data chain decoding module, a configuration management module, a database module, a verification platform tool module, a task module, a contrastive analysis application module and an analysis terminal, wherein the database module is used for storing machine type data and performance data of an airplane, local civil airline data and actual flight data; the task module is used for calling the data in the database module according to tasks and acquiring actual track path data which is needed by contrastive analysis verification and is generated based on the aeronautical data chain information; and the contrastive analysis application module is used for comparing the data of a verified object acquired by the verification platform tool module with the actual flight data of the task module, and providing a digital difference value report or a track goodness of fit report according to a comparison point set by a user. The civil aircraft aviation electronic verification system and the method thereof support a digital development environment through the current civil aviation communication data chain technique so as to provide a vivid testing or verifying means for an avionics system.

The invention relates to the technical fields of intelligent voice signal processing, mode identification and artificial intelligence, and in particular relates to a method and system for automatically identifying a voice recording equipment source. The method comprises the following steps of: a, extracting a characteristic of voice recording equipment from a voice signal; b, constructing a statistical model of the voice recording equipment by using a Gaussian mixture model-universal background model (GMM-UBM); and c, performing classification judgment by using a normalized likelihood as a final score. Different voice recording equipment can comprise different equipment noises; in the method and the system, the characteristics of the voice recording equipment are extracted by using silence fields and the statistical model of the voice recording equipment is constructed so as to perform the classification and identification on the equipment. By the technical scheme in the embodiment of the invention, the extracted characteristic dimension, the computing complexity and the error identification rate are low.

The invention discloses an artificial intelligence teaching system and method for science teaching. The system comprises an input device, an output device, a calculation device and a data storage device formed by a plurality of databases, wherein the data storage device is internally provided with a knowledge chapter database, a knowledge topic database, a test question database and a test question answer database; a keyword extraction module, a learning path recommendation module are arranged in the calculation device; the data storage module furthermore comprises an evaluation test paper database, a student evaluation report database and a student individualized test paper database; and the calculation device furthermore comprises a management module, a statistical analysis module and acorrection module. The system and method are capable of effectively managing knowledge points and test questions, and continuously correcting, improving and recommending learning paths in allusion tolearning conditions of student individuals, so as to realize accurate recommendation.

The invention discloses a target tracking method, system, device and medium based on a dual-stream convolution neural network. The method comprises the following steps: a spatial stream two-dimensional convolution neural network is constructed to extract the characteristic information of an image block in a current frame; a three-dimensional convolutional neural network is constructed to extract the motion information of the objects between frames in a video sequence within a certain time range; additive fusion of feature information of spatial flow two-dimensional convolution neural network and timing sequence flow three-dimensional convolution neural network; according to the fused feature information, a fully connected sub-network is constructed to extract the image blocks that meet therequirements. Boundary box regression is used to get the predicted position and size of the object in the current frame. Two-dimensional convolution neural network of spatial flow and three-dimensional convolution neural network of temporal flow are trained off-line before target tracking. In the process of target tracking, the on-line fine tuning of all-connected subnetworks is carried out. Theinvention achieves good tracking effect.

The invention discloses a production method of instant burdock flavor powder, belonging to the filed of food. The invention uses fresh burdock as a main raw material and maltodextrin, sucrose, milk, cocoa powder, fruit and vegetable and the like as accessories; the raw materials are selected, washed, peeled off, washed, dipped for color conserve, sliced, preliminary cooked for sterilization, smashed, coarsely grinded, homogenized by high-shearing, decomposed by enzyme and the like, and then the obtained product is blended, homogenized by high-shearing, dried by spraying, cooled, packed and the like to obtain the instant burdock flavor powder. The invention is characterized by combining the methods of enzymic reaction and high-shearing homogenizer wet superfine grinding for processing burdock, thus enhancing the fineness of burdock fiber, increasing the instant ability of the product. The invention adopts spray drying for evaporation of water at low drying temperature, therefore, the burdock flavor powder of the invention enjoys good instant ability and color and low waste of nutrient components. Compared with the existing dry ground which is used in the production of instant burdock flavor powder, wet grinding can save electricity by over 10% and steam by over 30% in producing a ton of the product.

The invention relates to a system of implementing video on demand and review of a unidirectional set-top box through a mobile intelligent terminal. In the system, both-way communication between the mobile intelligent terminal and an interactive portal sub-system is carried out through mobile Internet, a mobile communication network and a firewall, both-way communication between the interactive portal sub-system and a streaming media content storage and distribution sub-system is carried out, the streaming media content storage and distribution sub-system pushes flow to a streaming media base station sub-system, after a plug flow signal is changed into a radio frequency signal by the streaming media base station sub-system, the plug flow signal is transmitted to a coaxial cable network of a cable television, the unidirectional set-top box and a television terminal, an available channel number is transmitted to an intelligent terminal interface by a frequency point resource management sub-system, when the television terminal is switched to the available channel number, all kinds of reception operations can be implemented through the intelligent terminal. According to the system, limited frequency points and broadband resources are reasonably utilized, the unique interactive portal sub-system is capable of skilfully making the mobile intelligent terminal and a digital television form an organic whole, so that video on demand and review can be implemented under the condition of the unidirectional set-top box, and sub-millisecond demand response is achieved.

The invention discloses an L-shaped full-closed environment-friendly hot galvanizing production method. The method is characterized in that: acid washing step-by-step automatic operation is implemented by adopting a mechanical hydraulic transmission manner, namely an acid washing workpiece automatic conveying system horizontally or vertically lifts to automatically convey workpieces to be galvanized to specified anti-collision acid washing tanks for acid washing and dust removing treatment step by step according to the multi-tank acid washing technological requirements, and the whole acid washing process is sequentially, progressively and automatically finished according to the technological requirements. The L-shaped full-closed environment-friendly hot galvanizing production method is pollution-free, environment-friendly, low in energy consumption, mechanical and automatic, and has the characteristics of full closure and integration of reclamation and treatment; and by the method, acid washing automation is realized, the labor intensity is furthest lightened, the production efficiency is improved, and the problem of pollution is solved.

An electric transmission line carbon fiber composite core manufacturing method mainly includes the following steps of conducting preprocessing, dehumidification and glue infiltration, pre-hardening carbon fibers in a two-section heating mode, enabling high-strength glass fibers or basalt fibers to cover a pre-hardened carbon fiber core according to certain rules, hardening the carbon fiber core covered by the high-strength glass fibers or the basalt fibers in a three-section mode, and conducting post curing and cooling, wherein consumed epoxy resin is high-temperature-resistant special type pultrusion epoxy resin which is prepared by adding modified anhydride compounds in the glue infiltration process. The electric transmission line carbon fiber composite core manufacturing method has the advantages that the carbon fibers are preformed in a pultrusion mode to be in a semi-hardened state after being infiltrated, heating temperature sections are controlled so that the carbon fiber core with excellent performance can be obtained, particularly, heating and hardening are conducted in the three-section mode in the final covering and forming process, therefore, the rigidity of final products is ensured, the smoothness of production and production efficiency are improved, and the carbon fiber composite core produced through combination can completely meet the requirements of electric power transmission.

The invention provides a purification process of methionine. By separating methionine and by-product salts with macroporous resin, and by absorption and desorption, a methionine product not less than 99% in purity is obtained; the methionine content of the by-products is not greater than 0.03%. The yield of the methionine by the resin is not less than 98%. The purification process has the advantages that the existing production process can be simplified, the methionine quality can be improved, and the methionine production cost can be reduced.

The invention discloses a method for preparing fluorescent carbon quantum dots by laser irradiation. The method is characterized in that one of benzene, substituted benzene and a compound containing multiple benzene rings is used as a carbon source; a liquid-state carbon source or a carbon source solution obtained by dissolving a solid-state carbon source into ethanol is irradiated for 1-120 minutes through ultraviolet light of which the wavelength is within 380nm to obtain the fluorescent carbon quantum dots. The carbon source and the solution thereof used by the method disclosed by the invention are simple, the selection of the carbon source is diverse; the laser power and the irradiation time adopted in the preparation process are good in controllability, the preparation process can be carried out at room temperature, the particle diameter of the obtained carbon quantum dots is 2-7nm, and the carbon quantum dots have a regular graphite structure; results show that the carbon quantum dots prepared by the method have photoluminescence fluorescence property without surface modification.

The present invention provides a method for predicting AQI (Air Quality Index), comprising the following steps: obtaining historical weather data of a predicted area, wherein the historical weather data comprises historical AQI values, and historical meteorological data; preprocessing the historical weather data, wherein the preprocessing comprises checking compliance, converting the historical weather data into data suitable for computer processing, and generating derived fields; building a plurality of AQI prediction models based on a feature selection model, a regression analysis model, and a time series analysis model; evaluating the built AQI prediction models, and selecting the AQI prediction model with the highest prediction accuracy to serve as the optimal AQI prediction model; deploying the optimal AQI prediction model to the predicted area; and displaying AQI relevant indexes of the predicted area. The method does not need a mass of data and hardware equipment with high configuration, is simple and scientific, and can accurately predict the AQI of the specific area.

The invention discloses an industrial control flow acquisition and protocol analysis method. The method comprises the following steps: acquiring data based on a mirror image port of an industrial control network switch; preprocessing the acquired data, wherein the preprocessing comprises restoring a network session of a transmission layer, identifying an application protocol and extracting structured metadata; respectively carrying out classified storage on the network session passing through the reduction transmission layer, identifying an application protocol and extracting various types ofdata subjected to structured metadata processing; and according to a set rule, monitoring and analyzing the classified and stored data, and finding out abnormal data. According to the invention, flowdata is accessed in a mirror image mode, so that risk hidden troubles during deployment of series equipment are avoided. Meanwhile, a five-layer processing architecture of acquisition, preprocessing,analysis, storage and return is established, the effect of each architecture level is clear, a clear guiding effect is achieved for acquisition and analysis of industrial control flow, and role overlapping of each layer is avoided.

The invention discloses a double-energy storage operating mechanism of a single operating shaft, which is used for automatic transfer switching equipment and comprises an operating handle or an operating motor, a transmission gear and energy storage mechanisms, wherein the operating handle or the operating motor is positioned at the first side of an installation plate of an operating mechanism of the automatic transfer switching equipment and is sheathed in a first operating cam main shaft of the operating mechanism, and the first operating cam main shaft is driven to rotate by the operating handle and operating motor; the transmission gear is positioned at the second side of the operating mechanism and is connected with the first operating cam main shaft and a second operating cam main shaft of the operating mechanism, and the second operating cam main shaft is driven to rotate by the rotation of the first operating cam main shaft through the transmission gear; and the energy storage mechanisms are connected to the first operating cam main shaft through a first cam, are also connected to the second operating cam main shaft through a second cam, and are respectively driven to store energy by the rotation of the first operating cam main shaft and the second operating cam main shaft through the first cam and the second cam.

The invention discloses a real-time inversion method for creep parameters of a surrounding rock mass. The real-time inversion method comprises the following steps: determining creep parameters of thesurrounding rock mass to be inversed; establishing a surrounding rock body numerical calculation model; constructing a creep parameter inversion recurrent neural network agent model data set; trainingan optimal creep parameter inversion recurrent neural network agent model; and optimizing and determining the creep parameters of the surrounding rock mass to be inverted by utilizing the creep parameter inversion recurrent neural network agent model and a random global optimization algorithm according to the field actual measurement mechanical response. The real-time inversion method solves theproblem of large calculation time consumption of a traditional inversion method, also solves the bottleneck problems that the time effect of creep surrounding rock mass mechanical response cannot be considered and the creep parameter of the surrounding rock mass cannot be predicted and adjusted in real time, has the advantages of small workload, low cost, high precision, high reliability and the like, can greatly improve the inversion efficiency of the creep parameter of the surrounding rock mass, and is high in universality.

The invention relates to the field of building materials, in particular to a method for preparing a novel low-alkaline liquid setting accelerator. The novel low-alkaline liquid setting accelerator is prepared by the following steps: adding sodium hydroxide, potassium hydroxide and aluminum hydroxide into water according to proportion, and reacting for 2-3h under the temperature being 95-120 DEG C, thereby obtaining aluminate mother liquor; dissolving sodium fluoride in water, and adding silicate into the water solution under a certain temperature, thereby obtaining a modifier; and finally, dropping the modifier into the aluminate composite mother liquor, and reacting fully, thereby obtaining the novel low-alkaline liquid setting accelerator. The setting accelerator has the properties of short setting time, low alkali content and good cement adaptability.

The invention provides a speech synthesis method, a speech synthesis system and mobile terminal equipment with a speech synthesis function, which solve the problem of the huge computation amount of the conventional real-time synthesis. The method comprises the following steps of: regulating speech parameters of a sample in a model training state and then counting and training the regulated parameters to obtain a parameter model; and in a speech synthesis stage, performing speech parameter planning on information to be synthesized by using the parameter model, and then planning parameter synthesized speeches. In the method, the regulation process of the speech parameters is transferred to the model training stage to be finished and is not performed any more in the real-time synthesis, which reduces the computation amount of the real-time synthesis and ensures the real-time property of the speech synthesis. In addition, the invention also provides the mobile terminal equipment with the speech synthesis function, which can reduce the computation amount of the real-time synthesis.

The invention discloses a method for extracting effective flavonoid components in traditional Chinese medicine pericarpium citri reticulatae. The effective flavonoid components comprise one or more than two of aurantiamarin, nobiletin and hesperetin. The method comprises the following steps: mixing pericarpium citri reticulatae medicine powder and a molecular sieve absorbent according to a mass ratio of 1 to (0.25-3) so as to obtain a mixture, adding the mixture into a mortar for grinding to obtain ground solid, adding a sieve plate into the bottom of a small solid-phase extraction column, filling the small column with the ground solid, adding the sieve plate into the top of the small solid-phase extraction column after the ground solid is compacted, putting the compacted small column on a solid-phase extractor, injecting an eluent into the small column, starting an air extracting pump of the solid-phase extractor, eluting the small column, collecting the eluent by a centrifuge tube at the bottom, whirling and centrifuging the eluent in the centrifuge tube after the elution is ended, so as to obtain supernatant liquid as effective flavonoid component extraction liquid. According to the method, a molecular sieve is used as the absorbent; with the combination of a matrix solid-phase dispersion extraction technique, the effective flavonoid components in the traditional Chinese medicine pericarpium citri reticulatae can be extracted and detected in an efficient and environmental-friendly manner.

The invention provides a method for screening cattle high altitude hypoxia adaptation specific molecular marker, and furthermore a cattle kind or individual which is suitable for high altitude hypoxiasurvival is screened through the specific marker. The method aims at a high altitude hypoxia adaptation heredity characteristic of a kettle kind, and selects local cattle kinds which are distributedin high altitude regions at aspects of genome evolution, selecting and adapting. Multiple genome selecting signals, a full-genome association analysis method and a strategy are combined. Key genes andmolecular makers which are suitable for high altitude hypoxia are efficiently and accurately screened. Reasonable method designed is realized. The detecting method according to the key gene and marker designing has advantages of high accuracy, and convenient application operation. According to the method of the invention, through analyzing different altitude cattle kinds, a gene ACSS2 which is related with high altitude hypoxia adaptation and a haplotype thereof are found; and furthermore a specific SNP which bears a strongest selecting signal is positioned; and the method realizes an important meaning and a high practicability value for cattle molecule breeding operation.

The invention discloses a construction tool of a protective casing of a high-pressure overhead line. The construction tool comprises a V-shaped bracket, wherein the lower end of the V-shaped bracket is in thread connection with an insulation rod by virtue of a sleeve, a clamping mechanism capable of clamping a pvc pipe is fixedly connected to each of two top ends of the V-shaped bracket, each PVC pipe can be in two states by virtue of the clamping mechanisms, namely, in a spreading state, each PVC pipe is spread and is supported and limited by virtue of a supporting plate at the lower side; after each supporting plate is downwards withdrawn, the corresponding PVC pipe deviates from a slot and automatically restores a circle; a supporting rod member is arranged in a V-shaped groove of the V-shaped bracket, a ring is arranged at the top of the supporting rod member; a pin hole is formed in a top rod, a pull rope with an insulation performance is tied on the outer end of a pin, and in a case in which the pull rope is not pulled, the pin is kept in a locked state. The construction tool is a special tool, is very convenient as a user performs high-altitude operation when standing on the ground, can be operated by one person, and can be used for achieving the operation outside a safety distance.

The invention provides a method for monitoring unsaturated flow movement, solute migration flux and equivalent parameter of reclaimed water in frozen soil. The method comprises the following steps: continuously monitoring soil liquid moisture content and temperature of the frozen soil in different depths; performing parallel sampling on different positions and acquiring measured values by determining total moisture content and solute concentration of the frozen soil in different depths and calculating the average values of the total moisture content and solute concentration of the frozen soil in different depths; adopting Euclidean distance for measuring an average difference between the measured values and the average values, removing a sampling point beyond 95% confidence interval under the condition of logarithmic normal distribution and taking the total moisture content and solute concentration values as calculated values; analyzing unsaturated flow movement and solute migration flux of the frozen soil on the basis of full-section balance process iteration; and analyzing equivalent hydraulic conduction degree and equivalent convection concentration in the frozen soil. The method provided by the invention can realize the determination for the solute migration flux and the equivalent parameter thereof in the frozen soil. A brand-new testing method is supplied for researching the correlation theory of the solute migration in the frozen soil.

The invention discloses a novel polyhalogenated isoquinoline class derivate and a synthetic method thereof. The structure of the polyhalogenated isoquinoline class derivate is as a formula I, wherein Z=NH, NR', O, S; n=1,2,3; the R' is alkyl and aryl; R is the alkyl, the aryl, heteroaryl, condensed aryl, alkoxyl and alkylthio group; R1 is a halogen atom, a hydrogen atom, the alkyl, the aryl, alkylamino radical, arylamine, alkylthio group and arylthio; R2 is cyano-group, nitryl, ester group, the halogen atom, the hydrogen atom, the alkyl, the aryl, the alkylamino radical, the arylamine, the alkylthio group and the arylthio; X1 is the halogen atom; and the X2 is also the halogen atom. The synthetic method of the polyhalogenated isoquinoline class derivate including the steps of porphyrizing and heating polyhalogenated cyanobenzene and heterocyclic ketene aminals derivates in a mortar. When raw materials are basically completely disappeared, and the polyhalogenated cyanobenzene and the heterocyclic ketene aminals derivates are all transferred to a round bottom flask by menstruum and then reacted to synthesize the polyhalogenated isoquinoline class derivate with potential medicine activity in the formula I after a catalyst is added into the round bottom flask. The invention has simple synthesis technology, high productive rate, stable products, simple routes, rapidness, and the like, realizes a parallel high-efficiency heterocyclic compound library and really realizes the molecular diversity.

The invention discloses a cloud platform system for monitoring and managing production process data, and belongs to the field of Internet data acquisition. The cloud platform system for monitoring andmanaging production process data is a manufacturing industry intelligent application product project based on Internet +. A cloud platform, a mobile internet, a WeChat applet and a two-dimensional code are used for manufacturing an intelligent manufacturing cloud platform product conforming to small and medium-sized enterprises; a computer and a mobile phone are mainly used for operation. The whole production process can be integrally controlled by utilizing the cloud platform system; departments serving as different roles are tightly connected; therefore, the functions of the departments canbe performed respectively; compared with the prior art in which different production departments are separated from each other, the system has the avantages that the whole production process is associated, so that the whole production process is clearer, and the system has originality in domestic similar products, is easy to popularize and apply, helps enterprises to quickly apply a cloud platform system, and realizes enterprise information digitization and transformation upgrading.

The invention discloses a few-layer MoS2 uniform modified multi-stage structure TiO2 photocatalyst and a preparation method thereof. The preparation method comprises the steps of 1. synthesizing a hexagonal phase thick layer MoS2; 2. preparing a stable few-layer MoS2 solution by a lithium insertion method; and 3. directly mixing the obtained stable MoS2 solution with an aqueous solution containing a certain amount of ammonium fluorotitanate and glucose, adjusting the pH value of the mixture, and performing heating, roasting and sulfuration to obtain the prepared catalyst. Compared with the prior art, the few-layer MoS2 uniform modified multi-stage structure TiO2 photocatalyst has the advantages and outstanding effects of the used chemical reagents are commonly used reagents, low in cost and readily available; the test shows that the hydrogen preparation activity of photocatalysis decomposed water is quite high; under 365nm ultraviolet irradiation, the hydrogen yield can reach 2.5mmol h<-1>g<-1>.

The invention discloses a prefabricated member for a lime rotary kiln adopting magnesium-rich magnesium-aluminum spinel waste bricks as main raw materials and a preparation method of the prefabricated member. The invention adopts a technical scheme as follows: the prefabricated member is prepared from the following components in percentage by weight: 35 to 40 percent of 1 to 3 mm magnesium-rich magnesium-aluminum spinel waste bricks, 18 to 25 percent of 0.088 to 1 mm magnesium-rich magnesium-aluminum spinel waste bricks, 30 to 35 percent of magnesium-rich magnesium-aluminum spinel waste bricks less than or equal to 0.088 mm, 3 to 6 percent of silicon nitride fine powder less than or equal to 0.03 mm, 0.05 to 1 percent of metal aluminum powder less than or equal to 0.246 mm, and 4 to 6 percent of composite binding agent; and the added water accounts for 5 to 6 percent of the total weight of the main raw materials; the composite binding agent is prepared from 20 to 40 weight percent of silica powder and 60 to 80 weight percent of aluminate cement, wherein the weight percentage content of SiO2 in the silica powder is more than or equal to 93 percent, and the weight percentage content of Al2O3 in the aluminate cement is more than or equal to 68.75 percent. The preparation method comprises the steps of crushing, screening, grinding, burdening, forming, drying, heat treatment and the like. The prefabricated member adopts the waste bricks as the main raw materials, so that the price is low; and by introducing silicon nitride, the metal aluminum powder and the composite binding agent, the performance and the quality of the prefabricated member can be remarkably improved.

The invention discloses a shot blasting machine roller way with a shot leakage preventing device. The shot blasting machine roller way comprises a roller way horizontally arranged in a shot blasting machine body; shaft heads at two ends of the roller way respectively penetrate through two side walls of the shot blasting machine body to extend out; the axis of the length direction of the roller way is overlapped with the axis of the shot blasting machine body; bearings respectively sleeve the shaft heads at two ends of the roller way; bearing bases sleeve the bearings; the bearings on two sides and the bearing bases are totally identical, and are symmetrically arranged; a leakage preventing cover is arranged on the side wall in the shot blasting machine body, and sleeves the roller way; an annular cavity is formed in the leakage preventing cover; a discharge port is formed below the leakage preventing cover; the roller way is provided with an air blowing blade in the corresponding position of the annular cavity; an annular baffle plate outwards extends to one side of the leakage preventing cover; the roller way is provided with a conical table in the corresponding position of the annular baffle plate; and when the conical table approaches the leakage preventing cover, the outer diameter is gradually increased.

A box-type prototype for Chinese woman's body conformation and its planar chartography are disclosed. The various parts of the said prototype, body height, net chest measurement and net waist measurement have a regression relation between them. The 3-D prototype is constructed by the box-type method. Its advantages are simple equation, simple chart, and high efficiency.

The invention provides a preparation method and application of carbon-based carbon dioxide adsorption materials, and is used for solving the problems of lacking of adsorption materials with good adsorption properties for carbon dioxide under low pressure in the prior art. According to the invention, firstly, solvent-free grinding and polymerization and molten salt carbonization are comprehensively utilized to prepare a carbonaceous precursor, then surface oxidation is carried out on the carbonaceous precursor by an oxidant, finally an aqueous solution of strong metal cation salt or alkali is used to carry out ion exchange so as to obtain a carbon-based adsorbent of which the surface is uniformly introduced with strong metal ions, and a part of the strong metal ion doped carbon-based adsorbent is subjected to heat treatment so as to obtain a heat-treated metal ion doped carbon material. The adsorption capacity of the series of the carbon-based adsorbents for carbon dioxide reaches 4.58wt% maximally under the conditions that the temperature is 40 DEG C and the pressure is 0.15bar. The carbon-based carbon dioxide adsorption materials prepared by the method have originality on the preparation method, and excellent adsorption properties for carbon dioxide at low pressure (which is less than 1bar).

The invention discloses a fluxing agent for smelting steel as well as preparation and use methods thereof. The fluxing agent comprises the following components by weight percent: 70%-90% of 4CaO 7Fe2O3, 5%-20% of CaO Fe2O3, 1%-5% of SiO2, 0-3% of Al2O3, 0-3% of MgO and 0-5% of impurities. The preparation method comprises the following steps: evenly mixing an iron-containing waste material and a CaO-containing lime material in a ratio of ferric oxide to calcium oxide of 55%-75% to 25%-45%; pressing to form a sphere-shaped mixture with a diameter of phi 30-60mm; putting the sphere-shaped mixture in a cupola furnace for smelting, wherein the smelting temperature is controlled to 1200-1300 DEG C; in the smelting process, discharging a premelting material once per 8-12 minutes, and crushing the cooled premelting material in to blocks with a diameter of 40 mm below. The fluxing agent is used in a converter and a finery, and the addition amount of the fluxing agent is 0.3%-0.5% of loading amount of metals; and the fluxing agent is added once along with the first batch of slagging materials or is added along with the slagging materials in batch. The fluxing agent has the advantages of low melting point and good continuous slagging effect, can be used for alleviating corrosion on furnace lining and improving quality of molten steel, is beneficial to environment conservation, and the like.

The invention relates to an aero-engine labyrinth disc hot list processing thickness information extraction system which consists of an industrial robot, a laser scanning head and an automatic control positioner, wherein the non-contact laser scanning head is connected with the industrial robot by a data cable for transmitting scanning data, and is connected with a control cabinet by a communication cable so as to transfer the scanning data when receiving a motion command; the control cabinet is connected with a computer through a network port and is used for transferring a control command and the scanning data; the computer mainly completes the core tasks such as motion scan path planning, data processing and coating thickness and the like; and the high accuracy automatic control positioner and the industrial robot are connected with the main control computer by data lines, and receive the control command sent out by the main control computer to finish the spraying operation until a spraying aero-engine labyrinth disc is fixed on the positioner. The system can automatically and efficiently acquire comprehensive aero-engine labyrinth disc hot list processing thickness information distribution data, so as to be applicable to the spraying occasion of the aero-engine labyrinth disc hot list processing.