32results about How to "Meet the requirements of large-scale applications" patented technology

The invention relates to a method for the automatic vectorization of a road network digital raster map in the technical field of image processing. Firstly, the road network digital raster map is read into a computer memory, a road crossing on a road network image, which comprises a crossed road crossing and a road terminal, is detected, and pixels consisting of the road crossing are marked; secondly, each road crossing is used as a center to detect an adjacent road crossing, a pixel chain from the road crossing to each adjacent road crossing is formed simultaneously, and nodes are added at intervals to each pixel chain, thereby obtaining pattern points recording the shape of a road; and finally, redundant nodes which are added in the step two are deleted, and a vectorization result is preserved according to the normal vector map format. The road network vector digital map formed by the invention can bring great convenience for the operation of locus correction of an intelligent transportation system and a vehicle navigation system.

The invention relates to a V-shaped slot type micronet assembly and an application method for continuously renewing a dynamic film on line, which comprises a porous filter supporting a dynamic film. The V-shaped slot type micronet assembly is characterized in that the porous filter is a flat-cylindrical micronet net body formed by a plurality of layers of micronets of various calibers which are superposed, fixed into shape and connected sequentially by a plurality of concentric annular V-shaped slots, a sleeve shell is arranged outside the porous filter, and the bottom of the porous filter is hermetically connected with a bottom net; a plurality of closed net chambers internally provided with ceramic granule balls are formed between the micronet net body and the bottom net; the center of the micronet net body is provided with a hollow shaft pipe, a baffle is arranged in the hollow shaft pipe, and the hollow shaft pipe above the baffle is connected with a rotary driving mechanism, a water source and a reverse flushing water pipe with a liquid spray head; the hollow shaft pipe under the baffle is connected with an air source and an air injection pipe arranged under the net body, and 0.5 percent or 1 percent of environment mineral material is added into mixed liquid in application. The invention has the advantages of low manufacturing cost, small size, high flux, good out-water quality, high water-outlet rate, power and control system optimization and simplification, low energy consumption and low cost.

The invention relates to a micro-net component with continuous mobile line-shaped backwash and distributed with shock absorption and an application method thereof. The micro-net component comprises a rigid square enclosure frame and a box body which is formed by a micro-net body packaged on the two end surfaces of the enclosure frame. The micro-net component is characterized in that the micro-net body is formed by overlapping a plurality of layers of micro-nets with different pore diameters; a backwash bracing plate, a backwash water supply pipe and a plurality of positioning water collecting pipes are arranged in the box body; the positioning water collecting pipes are parallel to a left enclosure plate and a right enclosure plate and fixed between an upper enclosure plate and a lower enclosure plate; the backwash bracing plate is a cavity plate body which crosses the micro-net body and is sleeved on the positioning water collecting pipes in a sliding fit way; the front and the back end surfaces thereof are arc surfaces with water spray slits for bracing the micro-net body; the backwash water supply pipe and the backwash bracing plate are vertically connected in a sealing manner and further connected with a driving mechanism; and when in use, 5 per mill-1 percent of one or more environmental mineral materials with the particle size of being lower than 200 meshes are added in waste water to be treated according to the weight ratio. The micro-net component has the advantages that the film generation area is large, the quality of outlet water is good and stable, the yield is high, the cost is low, and a power and control system is optimized and simplified.

The invention belongs to the technical field of composite material, and relates to a method for shaping and toughening a fiber reinforced composite material. In the invention, polyimide foam powder (such as poly tetracid diester diamide, polyimide foam precursor) are used for shaping and toughening a continuous fiber reinforced composite material; after the polyimide foam powder is uniformly dispersed on fiber fabric, the powder can be bonded onto the surface of the fabric when heated at a certain temperature; and when the powder is foamed at a higher temperature, the powder and the surface of the fabric can be mutually spliced, penetration bonding can be caused on fiber surface and a bridge structure is formed in situ, thus shaping and toughing effects are realized at the same time. The formed toughening bridge structure has the characteristics of high temperature tolerance and insolubility, and the problem of flowing difficulty in RTM (released to manufacturing) glue injection caused by overhigh viscosity is not caused.

The invention discloses a method and system for generating an individual recognition identifier combining a plain code and a cipher code. The method comprises the steps of selecting an identifier format; filling an image area of the identifier format with an inputted personal identifier image; converting inputted personal basic information into a binary value, and generating the final filling content; filling a cipher code area of the identifier format with the final filling content; and generating a final identifier according to the obtained image area, the cipher code area and the selected identifier format. According to the invention, a plain code and a cipher code are organically combined, the plain code is convenient for a holder to directly perform natural reading, the cipher code protects private information of the holder, and an individual recognition identifier which has a privacy protection function and is convenient and practical is formed; the identifier generation method can adopt combination of various formats, the number of different individuals identified under the unit area is improved, and the requirement of a large-scale application for identifying a population of 1.3 billion is met; and the method and system can be widely applied to various fields, especially for individual recognition purposes of performing personal privacy protection in the public environment.

The invention discloses a dynamic Chinese-ink solar-comprehensive-utilization greenhouse device. Chinese ink is developed into efficient nano-fluid for solar photo-thermal utilization. The greenhouse device consists of a light filtering system, a heat collecting system and auxiliaries. In the light filtering system, red light and blue light of a solar spectrum can penetrate through a photonic crystal reflecting plate to be supplied to plant growth, and the rest light is reflected and focused into the heat collecting system; and the heat collecting system consists of two parts, i.e., a heat collecting tube and a heat insulating tube, a unit combined rotor is mounted in the heat collecting tube, the Chinese ink serves as a heat collecting medium, flows in the heat collecting tube section under the action of temperature difference and drives the combined rotor to rotate, a turbulent action is generated to strengthen heat transfer, the Chinese ink flows down from the heat insulating tube and is recovered through a hot-water pipe, and solar energy is stored and utilized in the form of heat energy. According to the greenhouse device, planting and heat collecting are integrated through the light splitting action of the photonic crystal reflecting plate; by adopting the Chinese ink, the heat absorption efficiency is increased, and the cost is reduced; and by a unit combined rotor dynamic system, the photo-thermal utilization efficiency is increased.

The invention discloses a lithium ion battery silicon / carbon negative electrode composite material. The lithium ion battery silicon / carbon negative electrode composite material is of a core shell structure, wherein a core is porous-structure silicon particle, a shell layer is a zigzagging carbon nanotube cluster having a large amount of gaps, and interfaces of the core and the shell layer are connected by a metal silicide. In the lithium ion battery silicon / carbon negative electrode composite material, the volume expansion of silicon during the charge-discharge process is remarkably reduced byporosity of the silicon particle, and the diffusion performance of lithium ions in the silicon is improved; with high conductivity of the carbon nanotube cluster, the defect of low conductivity of the silicon is overcome, meanwhile, the carbon nanotube cluster is used as a flexible external buffer layer, the volume expansion of the silicon is further reduced; and the metal silicide is used as a compact connection point, an electron transmission passage is built between the silicon and the carbon nanotube, and the carbon nanotube can be prevented from falling off during the charge-discharge process. The novel-structure silicon / carbon negative electrode composite material provided by the invention has the advantages of high specific capacity, good cycle property, excellent rate performanceand the like in application of a lithium ion battery and is low in fabrication cost and simple in method, and industrial production is easily achieved.

The invention relates to the technical field of bioengineering and particularly relates to a method for controlling the growth morphology of mycelia. The method comprises the following steps: at a mycelium growth phase of a filamentous fungus fermentation process, adding farnesol into a fermented solution; and continually fermenting to obtain spherical filamentous fungus mycelia, wherein the final concentration of added farnesol is 150-1000 microns. According to the method provided by the invention, the growth morphology in the filamentous fungus fermentation process can be efficiently and conveniently controlled and the fermentation yield of filamentous fungi is improved; and the method is simple to operate and high in universality and is suitable for being amplified in industrial production.

The invention belongs to the technical field of electrode materials, and particularly discloses an iron-molybdenum doped nickel sulfide / foamed nickel electrode and a preparation method and application thereof. The preparation method comprises the following steps of sequentially subjecting foamed nickel to cutting treatment, ultrasonic cleaning treatment and drying treatment for standby application; dissolving FeCl3.6H2O, (NH4)6Mo7O24.4H2O and Na2S in deionized water, conducting stirring, and putting the stirred material into a hydrothermal kettle; inserting the foamed nickel into a polytetrafluoroethylene mold base, and keeping the foamed nickel in a vertical state; and keeping the temperature at 150 DEG C for 6 hours, conducting cooling to room temperature, conducting washing and drying to obtain the iron-molybdenum doped nickel sulfide / foamed nickel electrode. The electrode can be used for cathode hydrogen evolution of electrolyzed water, can also be used as an anode oxygen evolution, is a difunctional electrode, and has better economical efficiency and environmental protection property.

The invention relates to a gradient magnetic stabilization fluidized bed device used for harvesting microalgae, a magnetic nano media and microalgae types can be selected according to pre-experiment data and actual requirements, the use amount and concentration of the magnetic nano media are set according to the adsorption capacity of the magnetic nano media, and therefore the purpose of controlling the solid content in a bed body is achieved. The harvesting efficiency can reach 95% or above; and the unit volume treatment capacity reaches 1L / min / L or above and is far higher than the level reported in literatures. According to the invention, the problems of an existing microalgae magnetic separation technology in industrial application are solved, and large-scale semi-continuous harvestingof microalgae can be realized. The device is simple in structure, convenient to operate, high in microalgae harvesting efficiency, low in cost and easy to industrially amplify.

The invention discloses a modular intelligent parking lock which comprises a limiting board, a base, a motor assembly, a functional box, a power supply device and other modules. An upper slot of the limiting board and a lower slot of the motor assembly are combined to form a containing space, and the functional box is arranged in the containing space and fixed to the lower slot; and the motor assembly is fixedly installed on a bottom plate, the power supply device is arranged in the base, and the power supply device and a motor of the motor assembly are electrically connected with a circuit board in the functional box. According to the modular intelligent parking lock, the parking lock is divided into the multiple modules to be separately designed, and during assembling, assembling of allthe modules needs to be completed firstly and then all the modules are assembled so that overall assembling of the parking lock can be achieved; and according to the parking lock, overall cost of theparking lock is reduced through a modular design, a requirement for a large-scale application of the parking lock in a parking lot is met, and necessary support is provided for continuous and platformoperation of the parking lot.

The invention provides an aqueous zinc ion battery taking elemental sulfur or sulfide as the positive electrode. The battery includes a positive electrode, a negative electrode, a diaphragm and an electrolyte, wherein elemental sulfur or sulfide is adopted as a positive electrode material, zinc and zinc alloy serve as a negative electrode material, and a soluble salt aqueous solution of zinc serves as an electrolyte. The positive electrode material, namely, elemental sulfur or sulfide, has the advantages of high voltage, high capacity, good cycle stability and the like, and thus the electrochemical performance of the aqueous zinc ion battery is significantly improved.

The invention discloses a method for improving the laccase yield of Trametes versicolor. In the Trametes versicolor laccase fermentation process, fungi are subjected to ultrasonic treatment and continuous fermentation to generate laccase. By directly conducting ultrasonic treatment on the fungi in a shake flask in the fermentation process, operations are simple, and the contamination probability is reduced. In the mycelia growth stage, fungus mycelia have hyperbranched mycelium morphology and bulbous tops through high-intensity ultrasound so as to increase the area of secretion sites, and themembrane permeability is improved so as to accelerate the secretion of laccase. In the laccase generation stage, reactive oxygen type substances can be induced to be generated through low-intensity ultrasound so as to stimulate the expression of a laccase gene, and therefore the laccase yield of Trametes versicolor is effectively improved. It is shown through experiments that the laccase yield canbe improved by three times or above and 5-6 times at most by means of the method. The method is easy to operate, beneficial for scale-up production and suitable for large-scale laccase fermentation,thereby reducing laccase production cot and meeting the large-scale application requirement.

The invention discloses a lithium ion battery silicon / carbon negative electrode composite material. The lithium ion battery silicon / carbon negative electrode composite material is of a core shell structure, wherein a core is porous-structure silicon particle, a shell layer is a zigzagging carbon nanotube cluster having a large amount of gaps, and interfaces of the core and the shell layer are connected by a metal silicide. In the lithium ion battery silicon / carbon negative electrode composite material, the volume expansion of silicon during the charge-discharge process is remarkably reduced byporosity of the silicon particle, and the diffusion performance of lithium ions in the silicon is improved; with high conductivity of the carbon nanotube cluster, the defect of low conductivity of the silicon is overcome, meanwhile, the carbon nanotube cluster is used as a flexible external buffer layer, the volume expansion of the silicon is further reduced; and the metal silicide is used as a compact connection point, an electron transmission passage is built between the silicon and the carbon nanotube, and the carbon nanotube can be prevented from falling off during the charge-discharge process. The novel-structure silicon / carbon negative electrode composite material provided by the invention has the advantages of high specific capacity, good cycle property, excellent rate performanceand the like in application of a lithium ion battery and is low in fabrication cost and simple in method, and industrial production is easily achieved.

The invention provides a composite modifier for barren soil in a mountainous area and a use method of the composite modifier. The composite modifier comprises the following components in parts by weight: 1-2 parts of a water-retaining agent, 40.5-45.5 parts of an organic fertilizer, 52.5-57.5 parts of biochar and 1-2 parts of a microbial agent. The compound modifier for barren soil in a mountainous area is developed according to the characteristics of the barren soil in the mountainous area, and is high in adaptability, stable in effect and low in cost; the water-retaining agent is added, so that the water-retaining and moisture-retaining capacities of soil in the mountainous area in the drought period are improved, and the problem of low mixed sowing survival rate of plant seeds in the mountainous area is solved; the organic matter content of the soil can be effectively increased by adding the organic fertilizer; the biochar can regulate the soil structure and reduce the loss of nutrient substances; the microbial agent is added, so that the capability of absorbing and utilizing nutrient substances in soil by root systems of plants in the early stage is enhanced; and the plants grow better, root systems are more developed, the plants extend into the soil deeper, and the site condition is improved.

The invention discloses a plate-type heat exchanger with heating and refrigerating functions. The plate-type heat exchanger comprises an upper cover plate, first fluid flowing channels, second fluid flowing channels, thermoelectric modules, a lower cover plate and an installing and fastening structure; the upper working face and the lower working face of each thermoelectric module are provided with the corresponding first fluid flowing channel and the corresponding second fluid flowing channel respectively; the upper cover plate is arranged on the uppermost first fluid flowing channel, and the lower cover plate is arranged under the lowermost second fluid flowing channel; all the parts are connected into an integral structure through first fastening holes formed in the upper cover plate, first flowing channel fastening holes, thermoelectric module fastening holes, heat exchanger fastening holes, second flowing channel fastening holes and second fastening holes formed in the lower cover plate. According to the plate-type heat exchanger with the heating and refrigerating functions, two kinds of fluids can be heated and refrigerated at the appropriate temperature; the advantages that the structure is compact and simple, the efficiency is high, the thermoelectric modules are free of moving parts and free from wear, the life is long, and temperature control is precise are achieved; the main parts can be obtained through punch forming, related thermoelectric units do not need to be customized, the production cost is low, and the large-scale application requirements are met.

The invention relates to a micro-net component with a rotary mobile micro-net body distributed with shock absorption and continuous line-shaped backwash, comprising a micro-net box body and a backwash pipe. The micro-net component is characterized in that the micro-net box body consists of an upper sealing cover plate and a lower sealing cover plate, a left squirrel cage-shaped rolling cylinder and a right squirrel cage-shaped rolling cylinder, a cambered baffle and a plurality of water collecting pipes with convex wings and the micro-net body; the left rolling cylinder and the right rolling cylinder are arranged between the upper sealing cover plate and the lower sealing cover plate, and one of which is connected with a driving mechanism; the micro-net body winds the left and the right rolling cylinders to constitute a closed ring and is connected with the upper sealing cover plate and the lower sealing cover plate in a sealing and sliding manner; the rotation speed is 1-5m / H; the water collecting pipes which use the convex rings to push the micro-net body for even distribution, the cambered baffle which surrounds the inner diameter of one rolling cylinder and the backwash pipe which uses a water injection nozzle for pushing the micro-net body at the junction of the end of the micro-net body rolled into the rolling cylinder and the cambered baffle are vertically fixedly arranged between the upper sealing cover plate and the lower sealing cover plate; a scraper is arranged on the outside of the micro-net body; and an interference water outlet is arranged on the lower part of the rolling cylinder of the cambered baffle and below the cylinder. The micro-net component has the advantages of large film generation area, stable effluent water flux and water quality, small cavity of the box body and high yield.

The invention relates to a method for the automatic vectorization of a road network digital raster map in the technical field of image processing. Firstly, the road network digital raster map is read into a computer memory, a road crossing on a road network image, which comprises a crossed road crossing and a road terminal, is detected, and pixels consisting of the road crossing are marked; secondly, each road crossing is used as a center to detect an adjacent road crossing, a pixel chain from the road crossing to each adjacent road crossing is formed simultaneously, and nodes are added at intervals to each pixel chain, thereby obtaining pattern points recording the shape of a road; and finally, redundant nodes which are added in the step two are deleted, and a vectorization result is preserved according to the normal vector map format. The road network vector digital map formed by the invention can bring great convenience for the operation of locus correction of an intelligent transportation system and a vehicle navigation system.

A provided method for killing viruses in drinking water comprises the following steps: (1) detecting chloride ion concentration and dissolved organic carbon concentration in water by employing a detection instrument; (2) if the chloride ion concentration and the dissolved organic carbon concentration are both 5 mg / L or less, performing no treatment; and if at least one of the chloride ion concentration and the dissolved organic carbon concentration exceeds 5 mg / L, performing pretreatment on to-be disinfected water to enable the two concentration to be both reduced to 5 mg / L or less; and (3) successively adding a trivalent copper ion stabilizing agent, a divalent copper salt and a persulfate into the to-be disinfected water. The method is mile in treatment conditions and free of secondary pollution, and helps to improve the killing efficiency of drinking water on viruses.

The invention discloses a method and system for generating an individual recognition identifier combining a plain code and a cipher code. The method comprises the steps of selecting an identifier format; filling an image area of the identifier format with an inputted personal identifier image; converting inputted personal basic information into a binary value, and generating the final filling content; filling a cipher code area of the identifier format with the final filling content; and generating a final identifier according to the obtained image area, the cipher code area and the selected identifier format. According to the invention, a plain code and a cipher code are organically combined, the plain code is convenient for a holder to directly perform natural reading, the cipher code protects private information of the holder, and an individual recognition identifier which has a privacy protection function and is convenient and practical is formed; the identifier generation method can adopt combination of various formats, the number of different individuals identified under the unit area is improved, and the requirement of a large-scale application for identifying a population of 1.3 billion is met; and the method and system can be widely applied to various fields, especially for individual recognition purposes of performing personal privacy protection in the public environment.

The invention belongs to the technical field of composite material, and relates to a method for shaping and toughening a fiber reinforced composite material. In the invention, polyimide foam powder (such as poly tetracid diester diamide, polyimide foam precursor) are used for shaping and toughening a continuous fiber reinforced composite material; after the polyimide foam powder is uniformly dispersed on fiber fabric, the powder can be bonded onto the surface of the fabric when heated at a certain temperature; and when the powder is foamed at a higher temperature, the powder and the surface of the fabric can be mutually spliced, penetration bonding can be caused on fiber surface and a bridge structure is formed in situ, thus shaping and toughing effects are realized at the same time. The formed toughening bridge structure has the characteristics of high temperature tolerance and insolubility, and the problem of flowing difficulty in RTM (released to manufacturing) glue injection caused by overhigh viscosity is not caused.

The invention relates to a micro-net component with a rotary mobile micro-net body distributed with shock absorption and continuous line-shaped backwash, comprising a micro-net box body and a backwashpipe. The micro-net component is characterized in that the micro-net box body consists of an upper sealing cover plate and a lower sealing cover plate, a left squirrel cage-shaped rolling cylinder and a right squirrel cage-shaped rolling cylinder, a cambered baffle and a plurality of water collecting pipes with convex wings and the micro-net body; the left rolling cylinder and the right rolling cylinder are arranged between the upper sealing cover plate and the lower sealing cover plate, and one of which is connected with a driving mechanism; the micro-net body winds the left and the right rolling cylinders to constitute a closed ring and is connected with the upper sealing cover plate and the lower sealing cover plate in a sealing and sliding manner; the rotation speed is 1-5m / H; the water collecting pipes which use the convex rings to push the micro-net body for even distribution, the cambered baffle which surrounds the inner diameter of one rolling cylinder and the backwash pipe which uses a water injection nozzle for pushing the micro-net body at the junction of the end of the micro-net body rolled into the rolling cylinder and the cambered baffle are vertically fixedly arranged between the upper sealing cover plate and the lower sealing cover plate; a scraper is arranged on the outside of the micro-net body; and an interference water outlet is arranged on the lower part of the rolling cylinder of the cambered baffle and below the cylinder. The micro-net component has the advantages of large film generation area, stable effluent water flux and water quality, small cavity of the box body and high yield.

The invention relates to a V-shaped slot type cube micronet assembly and an application method thereof for continuously renewing a dynamic film, which comprises a micronet net body. The invention is characterized in that the V-shaped slot type cube micronet assembly is also provided with a pane-shaped shell sleeve, a guidance track with a T-shaped cross section, reverse flushing water pipes, a water collection bank of air injection flushing pipes and a walk mechanism, wherein the micronet net body is a cubic micronet net body formed by a plurality of layers of micronets of various calibers which are superposed, fixed by a frame into shape and connected in parallel by a plurality of rows of V-shaped slots, and the bottom of the micronet net body is hermetically connected with a bottom net;a plurality of closed net chambers are formed between the micronet net body and the bottom net, and ceramic granule balls are placed in the closed net chambers; the guidance track is arranged in the center of the shell sleeve, two micronet net bodies are symmetrically arranged on both sides of the guidance track, the top of the guidance track is provided with the walk mechanism driving the reverse flushing water pipes and the air injection flushing pipes on both sides to synchronously and continuously reciprocate, and 0.5 percent to 1 percent of environmental mineral material is added in mixed liquid for application. The invention has the advantages of low manufacturing cost, small size, high flux, good out-water quality, high water-out rate, power and control system optimization and simplification, low energy consumption and low cost.

A provided method for killing viruses in drinking water comprises the following steps: (1) detecting chloride ion concentration and dissolved organic carbon concentration in water by employing a detection instrument; (2) if the chloride ion concentration and the dissolved organic carbon concentration are both 5 mg / L or less, performing no treatment; and if at least one of the chloride ion concentration and the dissolved organic carbon concentration exceeds 5 mg / L, performing pretreatment on to-be disinfected water to enable the two concentration to be both reduced to 5 mg / L or less; and (3) successively adding a trivalent copper ion stabilizing agent, a divalent copper salt and a persulfate into the to-be disinfected water. The method is mile in treatment conditions and free of secondary pollution, and helps to improve the killing efficiency of drinking water on viruses.

The invention relates to a micro-net component with continuous mobile line-shaped backwash and distributed with shock absorption and an application method thereof. The micro-net component comprises a rigid square enclosure frame and a box body which is formed by a micro-net body packaged on the two end surfaces of the enclosure frame. The micro-net component is characterized in that the micro-netbody is formed by overlapping a plurality of layers of micro-nets with different pore diameters; a backwash bracing plate, a backwash water supply pipe and a plurality of positioning water collectingpipes are arranged in the box body; the positioning water collecting pipes are parallel to a left enclosure plate and a right enclosure plate and fixed between an upper enclosure plate and a lower enclosure plate; the backwash bracing plate is a cavity plate body which crosses the micro-net body and is sleeved on the positioning water collecting pipes in a sliding fit way; the front and the back end surfaces thereof are arc surfaces with water spray slits for bracing the micro-net body; the backwash water supply pipe and the backwash bracing plate are vertically connected in a sealing manner and further connected with a driving mechanism; and when in use, 5 per mill-1 percent of one or more environmental mineral materials with the particle size of being lower than 200 meshes are added in waste water to be treated according to the weight ratio. The micro-net component has the advantages that the film generation area is large, the quality of outlet water is good and stable, the yield ishigh, the cost is low, and a power and control system is optimized and simplified.

The invention discloses a method for improving Trametes versicolor laccase output. The method includes: at the mycelium growth stage of a Trametes versicolor laccase fermentation process, adding farnesol into a fermentation liquor, and further performing fermentation to produce laccase. By applying the method, the laccase output of the Trametes versicolor can be greatly improved. Also, the method is simple in operation, is easy for enlarged production, and is suitable for large-scale laccase fermentation, thereby reducing the laccase production cost, and meeting the requirements of large-scale application.