324results 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 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 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 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 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 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 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 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.