63results about How to "Strong reference value" patented technology

The invention discloses a parallel data mining method for identifying a mass of mobile client bases. The parallel data mining method includes the steps of building a client value model and a client behavior model, classifying clients according to the client value model and the client behavior model, popularizing assigned preference services to the clients with the high purchasing power and the high potential purchasing inclination, and then achieving accurate marketing. According to the parallel data mining method, the mass of mobile client bases can be identified, the aspects such as Internet surfing time preferences, Internet surfing place preferences and browsed website preferences of the clients can be identified, and the social group classes of the clients can be accurately judged. Clustering and classifying can be rapidly carried out through the adopted parallel clustering algorithm and the adopted parallel classifying algorithm. By means of the parallel data mining method, different strategies can be formulated for the different client bases by an enterprise, and the important guiding function for profit maximization of the enterprise is achieved.

The invention relates to a mobile communication technique domain, especially a network element alarm intelligent monitoring system, comprising network element alarm acquisition modules connected by communication network, managing modules and alarm customization modules, wherein the network element alarm acquisition modules are connected with network elements to acquire network element alarms and store the alarm in an alarm bank based on alarm signal and alarm content classification; and the user is subjected to identification authentication by the managing modules and the related authorizations are allocated; the alarm customization modules immediately sends short message to maintenance personnel to pre-warn when the alarm exceeds the threshold based on network element alarm threshold defined by authorized users. The system can perform centralized monitor and alarm to whole network elements to handle the network element alarm in time.

The invention discloses a method for recycling copper minerals from high-sulfur rebellious copper ore step by step. The method comprises the following steps: (1) crushing and grinding raw ore; (2) mixing and crude selection; (3) mixing and scavenging I; (4) mixing and scavenging II; (5) separation and fine selection I; (6) separation and fie selection II; (7) grinding of reground middling ore; (8) regrinding and crude selection; (9) regrinding and scavenging I; (10) regrinding and scavenging II; (11) regrinding and fine selection I; (12) regrinding and fine selection II. The beneficial effects are as follows: the method for recycling copper minerals from high-sulfur rebellious copper ore adopts mixing and bulk flotation, regrinding and selection of middling ores and step-by-step recycling; the method solves the problems of lower copper concentrate grade and recycling rate, over-high loss ratio of copper in sulfur concentrate caused by non-uniform copper and sulfur insetting grain size and thin copper ore insetting grain size; the method is important to improve economic benefits of enterprises and societies.

The invention belongs to the technical field of wind generation set control, and particularly relates to an SCADA data-based yaw control parameter optimization method for a wind generation set. The method specifically comprises the steps that firstly, parameter optimization intervals are determined; the optimization ranges of optimized yaw control parameters, namely yaw deviation threshold values and delay time; SCADA data is preprocessed; an initial population is generated; fitness function values are calculated; the selection probability Psi of each individual is calculated on the basis of the fitness function values; selection is performed by adopting a roulette wheel method, so that a parent is obtained for breeding a next-generation population; a new population is generated from the initial population by utilizing a crossover operator and a mutation operator; and if the number of iterations is larger than a maximum number of genetic generations, calculation is terminated, and optimum yaw deviation threshold values and delay time are output. By adopting the method, an optimized result has a higher self-adaption level and higher pertinence; and the output performance of the generation set is obviously enhanced, and yaw time cannot be obviously improved.

The invention discloses a photovoltaic probability prediction method, which comprises the following steps: (1) collecting historical data of a photovoltaic power station and performing sequence decomposition on the historical output data; (2) randomly generating input layer-Hidden layer weight and offset; (3) Setting the expected coverage rate of probability prediction interval; (4) Training the network to determine the hidden layer Weights of the output layer; (5) inputting data to obtain output prediction interval. As that historical output of the photovoltaic power station is taken as a model input, the invention solves the influence of the randomness of the mount position of the photovoltaic array and the use time of the photovoltaic array on the conversion efficiency, and improves theprediction accuracy; Decomposition of historical data can more effectively distinguish the influence of different factors on output and enhance the characteristics of data. Introducing the idea of limit learning machine ELM, the training speed is greatly improved while the precision is guaranteed; Quantile regression is used to predict the probability of photovoltaic output interval, which has astronger reference value for the formulation of dispatch plan.

The invention provides a multi-infeed direct-current auxiliary power/frequency combination controller coordination optimization control method, which comprises the following steps of: establishing a mathematical model of a multi-infeed direct-current power transmission system according to a connection relationship of the multi-infeed direct-current power transmission system; solving a multi-infeedinteraction factor, a multi-infeed effective short-circuit ratio and a multi-infeed power support factor of the multi-infeed direct-current power transmission system in a mode of applying small disturbance; determining the final DC power boosting amount of each loop; judging the tie line fault by measuring whether the power of the tie line is suddenly reduced to 0 or not; obtaining a multi-infeeddirect-current auxiliary power/frequency combined controller structure by adopting an active power large-mode controller and a bilateral frequency difference controller structure. The multi-infeed effective short-circuit ratio proportionality coefficient and the multi-infeed power support factor proportionality coefficient are adopted to perform emergency control on an internal fault of the alternating current system and a tie line fault disturbance form, so that coordination and optimization of emergency control of the multi-infeed direct current interconnected power system are realized, andthe transient stability of the system is improved.

The invention discloses a method for optimizing layout of wind measurement stations along a high-speed rail, which comprises the following steps of: selecting wind speed data of meteorological stations within a certain range along the high-speed rail, carrying out preliminary quality control on the wind speed data as a data source, and simulating wind speed data of wind measurement stations at equal intervals along the high-speed rail through Kriging interpolation; taking the simulated stations as existing wind measurement stations along the rail, dividing the rail along the railway into a plurality of area sections according to the landforms of the wind measurement stations, finally increasing and decreasing the wind measurement stations through an improved similarity function, and improving equal-interval station distribution of the wind measurement stations into non-uniform station distribution. Therefore, the wind speed characteristics of each area can be accurately monitored with the minimum number of stations. According to the invention, cost can be saved, and the wind speed characteristics along the line can be accurately monitored.

The invention discloses a method for separating chalcopyrite from marcasite and pyrites in copper and sulphur ores, which comprises the following steps of: (1) carrying out crushing and grinding; (2) carrying out aerating agitation, i.e. regulating concentration of ore pulp to about 30 to 35 weight percent, placing the ore pulp into an agitator, and carrying out aerating agitation for 20 to 40min; (3) roughing to obtain rough concentrates and rougher tailings; (4) carrying out primary scavenging to obtain middlings 1 and primary scavenging tailings, and returning the middlings 1 to carry out roughing; (5) carrying out secondary scavenging to obtain middlings 2 and secondary scavenging tailings, and returning the middlings 2 to carry out primary scavenging; (6) carrying out copper tailing flotation to obtain the marcasite and total tailings; (7) carrying out primary concentration to obtain primary concentrated foam and primary concentrated tailings; (8) carrying out fine scavenging to obtain fine tailings 1 and the pyrites, and returning the fine tailings 1 to carry out primary concentration; (9) carrying out secondary concentration to obtain secondary concentrated foam and concentrated tailings 2, and returning the concentrated tailings 2 to carry out primary concentration; (10) tertiary concentration to obtain the marcasite and tailings 3, and returning the tailings 3 to carry out secondary concentration.

The invention discloses a deep supercooled liquid oxygen filling and control system in a low-temperature rocket launching site and a method. The system comprises a ground circulating liquid oxygen storage tank, a negative-pressure liquid nitrogen bath type heat exchanger and an on-rocket liquid oxygen storage tank. Before launching, saturated liquid nitrogen and low-temperature helium are combinedto precool the on-rocket storage tank in sequence, after the precooling requirement is met, a large-flow filling mode is adopted for filling, and the purpose of rapid filling is achieved; and a coldhelium technology is adopted to dynamically adjust the pressure of a rocket storage tank and maintain large supercooling of liquid oxygen temperature, and meanwhile, a cold helium recycling technologyis considered based on a cryogenic liquefaction separation method. According to the system and the method, the functions of deep supercooled acquisition and high-flow rapid filling of liquid oxygen,advanced falling of a filling system, micro-positive pressure adjustment and large supercooling degree maintenance of the deep supercooled liquid oxygen of the on-rocket storage tank, helium cyclic utilization and the like are realized, and effective reference can be provided for deep supercooling and filling processes and a control mode of the liquid oxygen in the low-temperature rocket launchingsite.

The invention provides a HVDC adaptive emergency power support method based on real-time estimation of unbalanced power in an AC-DC interconnected electric power system region in order to solve the problem of power angle oscillation of a generator in the fault or disturbance condition of an AC-DC interconnected electric power system. The method includes: establishing an extended state observer of unbalanced power in the region in the system disturbance, and setting parameters of the observer to realize real-time and accurate estimation of the unbalanced power; analyzing direct current emergency power support restriction factors, optimizing an emergency power support amount, and forming the final power support amount; and finally achieving the goal of power support based on a power support stepped increasing principle. According to the method, compared with a conventional fixed-value emergency power support method, the unbalanced power of the system can be estimated in real time so that the power support amount is adjusted in real time, and the goal of dynamic and optimal power support can be achieved.

The invention discloses a field test method of influence on vertical bearing capacity of a pile foundation by a horizontal cyclic load. The method eliminates influence on test results by the foundation soil plastic deformation to the greatest extent through such methods as high-compressibility cushion layers at the bottoms of test piles and vertical cyclic loading; when the vertical displacement of a test pile foundation meets requirements, a final vertical loading test result is used as a reference parameter; then, a horizontal load is applied to the upper parts of the test piles for circulation according to the requirements; then, according to code requirements, the vertical loading is performed, and each stage of test data is recorded; and finally, twice vertical loading test pile testing results before and after horizontal loading are compared to calculate the influence on the vertical bearing capacity of the pile foundation by the horizontal cyclic load. The method particularly can effectively guide design and construction of such large engineering pile foundations as bridges and wharfs for such special geologies as coral reefs and diatomaceous earth in Southeast Asia, and ishigher in reference value.

The invention discloses a method for comprehensively recovering copper and sulfur from deep-sea high-sulfur and high-copper ores and application of the method. The method comprises the following steps: (1) grinding raw ores, and filtering and dehydrating the raw ores; (2) diluting and roughing the feed of the copper separation operation; (3) scavenging the copper roughing tailings for three times;(4) combining copper roughing with copper scavenging foam and finely selecting; (5) performing secondary selection of copper selection foam; (6) concentrating and dehydrating the copper scavenging tailings; (7) carrying out sulfur concentration, underflow size mixing and roughing; (8) scavenging sulfur roughing tailings; and (9) performing sulfur roughing and sulfur scavenging foam concentration.The method has the beneficial effects that filtration dehydration and concentration dehydration are performed in sequence; acid water and high-alkali tailing water which are respectively removed arerespectively subjected to sulfur separation and copper separation in a grafting and transplanting manner; the technical problems that the pH value cannot be effectively adjusted by adopting a traditional agent in deep sea high-sulfur high-copper ore, interference of seawater ions on flotation operation cannot be avoided by adopting a traditional technological process, and effective separation andrecovery of copper ore and sulfur ore cannot be guaranteed are solved.

The invention provides an international shipping price trend analysis method and device, and the method comprises the steps: obtaining a shipping price information set from each starting basic port to each target basic port in a current period, and obtaining the current route information, current port information and current ship information in the current period; generating a current comprehensive freight rate index corresponding to the current period according to the freight rate information set; and generating a current freight rate trend analysis result corresponding to the current period according to the current route information, the current port information and the current ship company information. By calculating and analyzing the data in the current period, the analyzed result has high reference value on one hand and high timeliness on the other hand, and can be directly used for market pre-measures and formulating future prices, so that the profit of the shipping order is effectively and accurately controlled, the risk caused by human factors is eliminated, and the market can be accurately predicted and controlled.

The invention belongs to the technical field of ecological restoration, and discloses a land space ecological restoration key area identification system, which comprises a data acquisition module, a multi-source data integrated processing module, an analysis module, an evaluation module, a model construction module, a comprehensive evaluation module, a restoration identification network construction module, a restoration identification module and a result output module. The method is based on an element-pattern-process-service cascade framework of territorial space, emphasizes integrated measurement and evaluation of mountain, water, forest, field, lake and grass elements, layouts an ecological safety network and maintains ecological safety, and further realizes a multi-scale and multi-level identification technology of an ecological restoration key area. The method can be widely applied to territorial space ecological restoration scheme making and planning, and particularly has high reference significance and reference value in the aspects of regional society-ecology coupling relation and mutual feedback mechanism analysis, ecological environment conditions, ecological function importance and vulnerability evaluation research, ecological restoration key region recognition and the like.

The invention provides a process method for separating talc and chalcopyrite through a three-step method and a collecting agent used in the process method. The method comprises the steps of carrying out ore grinding, carrying out first-step roughing, carrying out second-step concentration, and carrying out third-step table reselection and regrinding operation. The process method aims at separationof the talc and the chalcopyrite, the preferential copper separation technological process is adopted for the first time under the condition that a special-effect talc inhibitor is not added, and effective separation of the talc and the chalcopyrite is achieved. According to the process method, the collecting agent TB-1 formed by mixing isobutyl xanthate propionitrile ester, N-allyl-O-alkyl thiocarbamate and Spans type sorbitan ester is adopted to strengthen flotation of the chalcopyrite, the thickness of a foam layer is adjusted through the defoaming performance of the collecting agent TB-1,and the relative floating speed of the talc and the chalcopyrite is changed; and the flotation and reselection combined technological process is adopted, and effective separation of talc and chalcopyrite is achieved through three steps. The flotation reagent adopted in the process method has the characteristics of low toxicity or no toxicity, environment friendliness, good effect and the like, and an environment-friendly and high-efficiency process method for separating the talc and the chalcopyrite is provided.

The invention provides a method for breeding river crabs and crayfishes in the same pond. The method comprises the breeding processes of pond preparation, larval crab stocking, crayfish with egg stocking, margarya melanoide transferring, first-time fishing and second-time fishing. According to the method, crayfish breeding is introduced into a river crab breeding pond firstly, the problems of time difference and spatial distribution between the river crabs and the crayfishes are successfully solved, the yield of the river crabs and the yield of the crayfishes are not reduced, the economic benefit is high, and the reference value is high. According to the method, engineering transformation does not need to be carried out on an existing river crab breeding pond, the breeding and fishing technology of the crayfishes with the eggs is introduced in good time, and yield-increasing breeding of the crayfishes in one season is successfully achieved within the time period from April to August.

The invention discloses a method for recycling magnetite, monoclinic pyrrhotite, hexagonal pyrrhotite and pyrite step by step. The method comprises the following steps of 1, magnetic separation, 2, magnetic concentrate flotation, 3, pyrite roughing, 4, pyrite scavenging, 5, pyrite precise separation, 6, inoculation magnetic separation and 7, magnetic concentrate flotation. The method has the beneficial effects that the technical problem that the magnetite and the monoclinic pyrrhotite are approximate in density and magnetism, the sulfur content of the magnetite is high, the hexagonal pyrrhotite is prone to argillization and oxidization, and the hexagonal pyrrhotite and gangue mineral are approximate in floatability, so that the sulfur concentrate grade is not high is solved. The method hasimportant significance to increasing of the economic benefits of an enterprise and social benefits.

The invention discloses a method for recycling high-quality iron ore from high-sulphur-content iron pyrite. The method comprises the following steps that 1, raw ore is crushed and ground to be of 200-300 meshes, agentia A is added, and grinding continues to be carried out; 2, water is added for adjusting the concentration of flotation slurry to be 36-37%, and a collecting agent B is added; 3, 300-800 g/t carbon powder and lime water are added for adjusting the pH of the ore slurry to be 12.3 or more, stirring is carried out for 5-10 min, and the ore slurry is fed into a flotation machine for flotation for 4-8 min; 4, grinding is carried out again, 100-300 g/t carbon powder is added for grinding through a ball mill, and the size fraction of the ground ore fineness being -0.044 mm accounts for 80-90%; and 5, the material is fed into a flotation machine for flotation for 3-6 min, and therefore the high-quality iron ore is obtained. The iron concentrate grade and recycling rate are high, and sulphur is well recycled.

The invention provides a configuration recommendation method, system and device and a computer storage medium, and the method comprises the steps: obtaining a configuration demand of a user, and extracting key parameters based on the configuration demand; screening out a parameter set corresponding to the key parameters in a pre-constructed classification library; and matching an integrated objectmatrix corresponding to the parameter set, and matching configuration parameters from a trained model according to the integrated object matrix to serve as a recommendation result. According to the invention, the existing configuration data is collected and analyzed, the classification library is formed, the parameters in the classification library are trained, the corresponding configuration parameters under different parameter sets are obtained and written into the model, and when the user is docked, the optimal configuration parameters are obtained from the model by obtaining user requirements and screening based on the classification library such that the configuration time is greatly saved, and the learning and working efficiency is improved.