247results about How to "Meet special requirements" patented technology

A data transmission method of wireless sensor network based on multiple mobile agents introduces the mobile agents into the data collection and transmission for network. The main strategies of the method are: 1. collecting local data through self-equipped processing capability of software mobile agents and carrying out local processing; 2. starting hardware agents for continuously carrying out data collection and transmission for a local part of the network during a period with requirement of massive data collection and transmission. Thereby, the traditional mode pattern of distributed user terminal/server of a system is changed, data flow transmitted from a sensor node to a base station (or a gateway) is greatly decreased, the manner of data transmission is simplified and the purpose of energy saving and efficiency is realized. On condition of that once these matters occur in the network, the user needs to obtain accurate and real-time information, a self-navigation mechanism of the hardware agent can get to the occurring area, and the hardware agent can speedily collect and transmit the data cared by the user based on its excellent capability of management and communication.

The invention provides an unmanned aerial vehicle emergency rescue high-altitude base station comprising a bearing platform, a wireless communication system and a backhaul device, wherein the bearing platform is an unmanned aerial vehicle, the wireless communication system and the backhaul device are connected with each other and are loaded on the mooring unmanned aerial vehicle, the wireless communication system comprises a RRU module communication device and an antenna, the RRU module communication device is in wireless connection with a user through the antenna, the backhaul device comprises a BBU module communication device and a backhaul system, The RRU module communication device establishes a data transmission connection with the BBU module communication device, and the BBU module communication device is in data transmission connection with a machine room PTN through the backhaul system. The unmanned aerial vehicle emergency rescue high-altitude base station has the advantages of low cost, simple operation, large bearing capacity, long air residence time and high environmental adaptability. The unmanned aerial vehicle emergency rescue high-altitude base station can quickly rise in hash environments, quickly start a communication station and can perform remote operation. The unmanned aerial vehicle emergency rescue high-altitude base station serves as an emergency communication station to meet different emergency relief scenarios, such as emergency relief, security anti-terrorism, hot spot coverage and other communication needs.

The invention relates to a novel composite arc bridge structure, and particularly discloses a lattice-type large-span soil-filling composite corrugated steel arch bridge structure. Sandwich mortar composite corrugated steel plates are adopted as large-span main arch rings of the composite structure. The corrugated steel plates are connected to form a reversely arranged double-layer plate through bolts, studs are arranged in an interlayer, and filled high-strength mortar forms an integral sandwich composite corrugated steel plate. Corrugated steel tubes are adopted by gastropore. Load is conveyed between the main arch rings and the gastropore by filling soil. The lattice-type large-span soil-filling composite corrugated steel arch bridge structure has the advantages of being low in weight, durable, high in strength, good in flexibility, high in performance, rapid in construction, good in economic benefit and the like, is an ideal alternative to reinforced concrete bridges, can be widely used in the construction of middle-sized bridges (20-50m), and can certainly generate good social economic benefit.

The invention relates to the technique to synthesize alkide resin modified epoxy vinyl resin. According to a certain compounding ratio, diphyenylol propane epoxy resin, organic monobasic unsaturated carboxylic acid, biatomic acid, catalyst agent and inhibitive substance are fed into a reactor to do ring cleavage esterification, then based on the existence of inhibitive substance, crosslinked monomer is added to deliquate and modified alkide resin and accelerating agent are added to accelerate in advance. The invention has the beneficial effects that: in ring cleavage esterification, the biatomic acid is employed as chain extender, and the alkide resin is added in the deliquating process (45 to 120 mg KOH/g hydroxyl value and 5 to 15 mgKOH/g acid value) to mix and modify, which largely strengths resin ductility, causes resin casting tension set is more than 8 percent, impact strength is above 20 KJ/m2; meanwhile largely reduces the resin solidification shrinkage ratio, improves the bonding strength, meets special compound material need as a result. The synthetic technique of the invention is simple, conformity with environmental protective and has good production stability without producing waste gas, waste water, and waste residue.

The invention discloses an epoxy resin composite material, a preparation method and application. According to the epoxy resin composite material, inorganic packing of which the volume ratio is 15-17% is uniformly dispersed in epoxy resin, the inorganic packing comprises large-particle-size inorganic packing and small-particle-size inorganic packing, the average particle size of the large-particle-size inorganic packing is within 2-50mu m, the average particle size of the small-particle-size inorganic packing is within 50-500nm, and the volume ratio of the large-particle-size inorganic packing to the small-particle-size inorganic packing is within 5:5 to 9:1. The preparation method comprises the following steps: (1) sufficiently drying the large-particle-size inorganic packing and the small-particle-size inorganic packing, and uniformly mixing, thereby obtaining mixed packing; (2) adding the mixed packing into the epoxy resin, uniformly dispersing, defoaming, and curing, thereby obtaining the epoxy resin composite material. The epoxy resin composite material disclosed by the invention is both high in heat conduction property and low viscosity, and is particularly applicable to electronic packaging materials.

The invention discloses a programmable analog unit for processing a sensor signal, which comprises a first programmable switched capacitor group, a second programmable switched capacitor group, a programmable main fully differential operation amplifier, a first programmable auxiliary fully differential operation amplifier, a second programmable auxiliary fully differential operation amplifier, an output multiway selector and an output control module, wherein the first programmable switched capacitor group is used for receiving an external sensor differential signal; the second programmable switched capacitor group is used for receiving an external sensor differential signal; the programmable main fully differential operation amplifier is used for generating and outputting a main fully differential signal after signal processing; the first programmable auxiliary fully differential operation amplifier is used for generating and outputting an auxiliary fully differential signal; the second programmable auxiliary fully differential operation amplifier is used for generating and outputting an auxiliary fully differential signal; the output multiway selector is used for selecting and outputting one way of differential output signal; and the output control module is used for generating and outputting a positive-negative reverse-phase or modulated differential output signal. The programmable analog unit for processing the sensor signal can read out small capacitance and small voltage sensing signals and process analog signals, is applied to sensor signal detection of physical quantities such as an angular velocity, an accelerated velocity and the like, and is suitable for circuits of an FPAA (field programmable analog array), a FPMA (fixed preassigned multiple access) and a PSOC (programmable system on chip).

The invention relates to FeSiBAlNiCo block high-entropy alloy and a preparation method thereof and belongs to the technical field of powder metallurgy. According to the FeSiBAlNiCo block high-entropy alloy, the molar ratio of Fe to Si to B to Al to Ni to Co is 1: 1: 1: 1: 1: (0-1); the crystal structure comprises a face-centered cubic (FCC), a body-centered cubic (BCC) and two-phase intermetallic compounds, namely FeSi and FeB. According to the FeSiBAlNiCo block high-entropy alloy and the preparation method thereof, the Co element of a medium size is added to the Fe-Si-B-Al-Ni quinary alloy, a spark plasma sintering technology is utilized, and the block high-entropy alloy with the diameter being 15 mm is prepared. The density of the high-entropy alloy reaches 96.5% or above, the hardness value reaches 1100 HV or above, prominent NaCl solution corrosion resistance is achieved, and special requirements of certain adverse environments can be met. The block high-entropy alloy is prepared through a powder metallurgic method, and the process is relatively simple; a prepared product has the advantages that few defects exist, and performance is excellent.

The embodiment of the invention discloses a method and a system for generating artistic fonts, wherein the method comprises the following steps: obtaining an input character; carrying out character-font taking processing on the obtained character so as to obtain the bitmap information of the character; withdrawing the bitmap information into at least two layers, wherein the at least two layers comprise any two layers of a font layer, a shadow layer and a border layer; respectively carrying out corresponding processing on the bitmap information of each layer according to the effect parameters of each layer set by users; and carrying out superposition on the processed bitmap information of each layer. The system disclosed by the invention can be used for implementing the method disclosed by the invention. By using the system and method disclosed by the invention, a user can respectively carry out font layer, shadow layer and border layer effect parameter setting on the input character according to the demands of the user, then, the system carries out corresponding processing on the character according to the effect parameters so as to convert the character into an effect required by the user; and according to the technical scheme of the invention, word stocks and special effects bound with an operating system are not required to be used, therefore, the system and method disclosed by the invention can be subjected to cross-platform applications.

The invention discloses a method for producing a copper clad steel wire. The method comprises the following steps of: acid washing and rust-proof treatment of a steel wire, first drawing treatment, first heat treatment, copper plating, second drawing treatment, second heat treatment and surface protection. According to the copper clad steel wire, the consumption of copper is greatly reduced on the premise of meeting the electrical conductivity, and the special requirement of an electronic product for the mechanical property is met at the same time; and in the presence of an iron core, convenience is brought to the flow process of the electronic product. The copper clad steel wire is used for leads and connecting wires of the electronic product and substitutes a pure copper wire, so the copper clad steel wire has wide application.

The management system includes vehicle borne terminals and automatic mechanism for announcing station, management mechanism for dynamic monitoring and controlling vehicles, and computer central server. The system also includes vehicle dispatch mechanism to receive information transmitted from computer central server. Departure command for vehicles sent from the dispatch mechanism through the central server is transmitted to vehicle borne terminals and automatic mechanism for announcing station. Through the central server, transport operation management mechanism receives each dynamic data collected by vehicle borne terminals and automatic mechanism for announcing station, and the said data are generated to each report needed by transit transport operation management. Features are: high accuracy and in real time, and low cost. The system is applicable to public transportation, long-distance passenger transport. The system possesses good expansibility.

The invention discloses a data cleaning method for data files and a data file processing method. The data cleaning method comprises the following steps of S2: determining a cleaning content and a cleaning rule of each data file according to uniform requirements of a data download platform, on data and the uniform requirements of a class system to the data, determined and predetermined by the data of a source system data sheet, and compiling cleaning process steps; S4: generating a cleaning configuration file corresponding to each data file according to the cleaning content and the cleaning rule of each data file; S6: according to the cleaning configuration file, cleaning the data file according to the cleaning process steps. The data cleaning method disclosed by the invention has the beneficial effects that different data files in source systems are extracted for uniformly cleansed (data cleaning), and the data files are presented and shared in an uniform manner, so that an uniform view is provided for the subsequent data process of all levels of data, and the processing burden of the source system can be reduced.

The invention discloses a DAST-graphene composite film and a preparation method thereof. The chemical name of DAST is 4-(4-dimethyl amino styryl) methylpyridine p-methyl benzene sulfonate. The composite film comprises two-dimensional DAST and two-dimensional graphene. The preparation method of the DAST-graphene composite film comprises the following steps: forming a composite material by using the DAST and the graphene in an in-situ composite or ex-situ composite manner, and then preparing the composite material into a film so as to form the DAST-graphene composite film. The composite film has a special chemical structure and special electric, optics and mechanical properties, so that the defects of structure and properties of an existing simplex graphene film or simplex DATS film can be avoided; the comprehensive property of the material is improved; the DAST-graphene composite film has application prospects in fields of infrared or terahertz photoelectric detectors, temperature sensors, gas sensors and the like. In addition, the preparation method of the DAST-graphene composite film is simple and free of complex and expensive film forming device, and the DAST-graphene composite film has the advantages of low production cost, high quality and the like.

The invention discloses an injection type positive-negative-pressure foam proportionally mixing system of a fire-extinguishing foam tanker. A foam pump liquid discharge pipeline (9) is connected with an external water intake pipeline (5); the tail end of the external water intake pipeline (5) is connected with a water inlet of a pressure water pump (8); a water outlet of the pressure water pump (8) is connected with a water exhaust pipeline (10); the positive-negative-pressure foam proportionally mixing system is provided with a foam tank (24) which is connected with an inlet of a foam pump (1) via a foam pump injection pipeline (15); an outlet of the foam pump (1) is respectively connected with a foam pump liquid discharge pipeline (9) and a flow discharge bypass (16); the foam pump liquid discharge pipeline (9) is provided with a liquid injection unidirectional valve (13); the lower end of the foam pump liquid discharge pipeline (9) is connected with an external liquid intake pipeline (7) in parallel; the other end of the flow discharge bypass (16) is communicated with the foam tank (24). According to the invention, based on a positive pressure system, an injection opening is formed in the water inlet of the water pump, and meanwhile a sensing device is additionally arranged, and by a PLC control platform, foam is accurately mixed at the water charge state of a water pump, including 'water suction' or 'injection' respectively; meanwhile, the system matching issue of supply capability variation of foam stoste when the water pump is 'coupled', the rotation speed of the water pump does not increase but decrease and the flow rate exceeds the rated value greatly is solved.

The invention discloses an aluminum alloy thick plate for manufacturing a liquefied natural gas carrier storage cabin or a land liquefied natural gas storage tank and a manufacture method of the aluminum alloy thick plate. The aluminum alloy thick plate is used at an environment temperature of room temperature-196DEG C below zero. Aiming at the defects of low temperature brittleness and the like of conventional metal materials, through other special preparation processes of preferably selecting an aluminum alloy grade, controlling chemical components, enhancing the processing of molten aluminum melt, increasing the adding quantity of a grain refiner, annealing a plate ingot, controlling the total deformation of hot rolling, annealing a finished product, carrying out low-temperature deep cooling and the like, the improved aluminum alloy thick plate with excellent room temperature and low-temperature comprehensive mechanical properties and thickness of 25-300mm is obtained.

The disclosed fluid magnetization tube comprises: a magnetic tube with axial-magnetized magnetic rings with opposite polarity between neighbor ones, space rings of non-ferric-magnetic material and an annular tube; a high-permeability guide magnetic tube coaxial with the magnetic tube and owned a flow channel, or another magnetic tube with two magnetic rings in one section with same height and opposite magnetized direction; some members with straight or curve axis for location, fixing and guiding flow; two cove boards on both ends contained arc channels of flat shape or cylinder face to locate the tubes on both radial and axial directions. The opposite magnetization device comprises a plurality of magnetization tubes parallel inserted in the shell, and two end cap grooves to connect near tubes in series or parallel or mixture. The magnetization system uses said magnetization device and normal pump and power gear device for fluid cycle magnetization, which has high efficiency, simple structure, variable forms, small volume, light weight, and low cost.

The invention discloses a working electrolyte employed by an aluminium electrolytic capacitor used by an LED lamp. The ingredients of the electrolyte comprise the following parts, by weight: 38.5% to 85.9% of a main solvent, 5% to 25% of an auxiliary solvent, 4% to 20% of a solute, 5% to 15% of a property-modifying additive, 0.2% to 1% of a hydrogen elimination agent and 0.1% to 0.5% of a water-proof mixture; and the main solvent is glycerol. According to the invention, a working electrolyte of an aluminium electrolytic capacitor is improved. At the same time, materials including an anode aluminum foil and a piece of electrolytic paper are optimized; product design is improved; and a volume of an external form of a product is diminished. Moreover, a sealing technology of the product is enhanced and a square waisted wheel is used for assembly, so that volatility of the electrolyte is reduced and product service life is improved. An aluminium electrolytic capacitor, which has high performance and long service life and is used for an LED lamp, is successfully developed.

This invention discloses a method and a device for realizing end-to-end ciphering in a cluster communication system, which adds a cryptographic key management center responsible for generating, distributing and managing cryptographic keys and adds a user ciphered module responsible for ciphering and de-ciphering user phonetic and data contents and applies a symmetric cryptographic key mode to ask the two communication sides use the ciphered modules with the same chips or modules and secures the same cryptographic key and guarantees meeting the requirement of even more safety and secrecy for special users.

The invention relates to a thermal recovery seal assembly which can bear the high pressure of 20 MPa or above at the high temperature of 350 DEG C and bear the high pressure of 15 MPa or above after the seal assembly bears the high temperature and then the high temperature is reduced to the low temperature. The thermal recovery seal assembly comprises a wedging component, a double-combined seal component, a mandrel and a base. The mandrel is sequentially sleeved with the wedging component and the double-combined seal component. The wedging component and the double-combined seal component can slide on the mandrel. The base is installed on the mandrel and is close to multiple-combined seal components. According to the thermal recovery seal assembly, the requirement for a thermal recovery packer in offshore thermal recovery well production is met and the thermal recovery seal assembly is suitable for the technical field of oil thermal recovery.

The invention discloses a continuous preparation method for sodium hypochlorite, which comprises the following steps of: a. sodium hydroxide solution preparation: preparing a sodium hydroxide aqueous solution in an alkali dosing tank according to preset concentration; b. first-class mixture: fully mixing the sodium hydroxide solution obtained in the step a with a sodium hypochlorite mother solution in a first-class circulating tank; c. first-class absorption reaction: filling mixed liquid obtained in the step b into a first-class absorbing tower for carrying out first-class absorption reaction with chlorine; d. second-class mixture: fully mixing reaction liquid obtained in the step c with the sodium hypochlorite mother solution in a second-class circulating tank; and e. second-class absorption reaction: filling mixed liquid obtained in the step d into a second-class absorbing tower for carrying out second-class absorption reaction with the chlorine to finish the preparation of sodium hypochlorite. The invention can stably obtain a high-quality product just by two-class one-step absorption and really realize the continuous production of the sodium hypochlorite, has higher productivity, greatly saves energy and is easier to realize the production of the high-quality product.