823results about How to "Facilitate mass adoption" patented technology

The invention relates to an aerogel composite material with a surface subjected to dust-free treatment and a preparation method thereof, in particular to a method using an aerogel felt, an aerogel plate, an aerogel cylinder and an aerogel shaped piece as the base material and coating the substrate surface with compact coating so as to avoid shedding of aerogel surface dust. The method is simple and practicable, can effectively solve the problem of easy generation of dust on the aerogel surface, significantly improves the working environment, and can satisfy the use condition of aerogel in clean space. By adopting different ratios, a rigid coating and a flexible coating can be obtained, high temperature and low temperature application can also be achieved, compound proportioning of an inorganic film-forming agent and an organic film-forming agent also can give consideration to flexibility and fire resistance, and significantly improves the adaptability of the coating paste to different types of aerogel materials. The aerogel subjected to dust-free treatment can be applied to heat preservation of various industrial equipment and pipeline, and also can be applied to thermal insulation of high speed rail, vessels, electronics and pharmaceutical workshops and building field.

The invention provides a method for downloading an online video sniffer. In the method, a browser is used for automatically extracting an uniform resource locator (URL) address and sending a network request to open a network page; an online video resource request module is used for dynamically requesting online video resources of the URL address to the browser by an online video sniffer downloading module; the browser is used for requesting the online video resources of the URL address to a server; the server is used for returning a video play address corresponding to the online video resources of the URL address to the browser; the browser is used for returning the video play address to the online video sniffer downloading module; and the online video sniffer downloading module is used for downloading all or a part of files of online videos in the video play address. Compared with the prior art, the method has the beneficial effects of good generality and expansibility, nonoccurrence of video failure, higher recall, full-automatic operation process and nonparticipation of workers, and is convenient to apply on a large scale.

The invention discloses a metal-organic framework nanosheet as well as a preparation method thereof and application thereof in oxygen evolution reaction of electrolysis water. According to the preparation method, the energy consumption is low, the reaction is rapid, reaction conditions are mild, the thickness of the obtained metal-organic framework nanosheet is 3nm-5nm, the specific surface area can reach 450m<2>.g<1>, and the alkali resistance and the chemical stability are good. The metal-organic framework nanosheet can be prepared into an electrolysis water oxygen production electrode, and a particular ultra-thin sheet structure can be in well contact with the surface of the electrode, so that influences on mass transfer, diffusion and material resistance in the electrochemical oxygen production process are overcome, the initial oxidation potential can reach 1.42V, and the overpotential at 10mA / cm<2> can reach 250mV. By virtue of a 24-hour test, the oxygen production effect is still maintained above 99.6%, the activity, stability and price of the metal-organic framework nanosheet are superior to those of traditional noble metal RuO2, and extremely high actual application value is achieved.

The invention relates to a carbon-sulphur composite used for a cathode material of a lithium sulphur battery as well as a preparation method and application thereof. The carbon-sulphur composite comprises a carbon material and elemental sulphur, wherein the carbon material is formed by doping mesoporous carbon with the aperture of 2-5nm and electroconductive carbon with the aperture of 30-70nm, and the electroconductive carbon with the aperture of 30-70nm contains micropores with the aperture of 0.5-1.7nm; and the elemental sulphur accounts for 10-90wt% of the total quantity of the composite. Abundant micropores guarantee that the carbon material has larger specific surface, adsorption capacity to polysulphide is stronger, and dissolution of the polysulphide can be effectively limited, so that stability of a sulphur electrode is improved. Meso pores in porous distribution can load more sulphur active substances, electrochemical capacity of a composite material is improved, and diffusion and transmission of lithium ions and electrolyte solution can be facilitated, so that reduction polarization of the elemental sulphur is reduced and discharge plateau of the elemental sulphur is improved.

The invention discloses an imaging touch control film. The imaging touch control film comprises a back projection imaging film with back projection imaging function, an electromagnetic induction layer consisting of ultrafine conducting wire grids and a transparent protective film which are orderly attached. The imaging touch control film has lower cost, high recognition precision and long service life, is convenient for assembly and disassembly, and is convenient for mass application. The invention also discloses a large-screen interactive media system applying the imaging touch control film, the large-screen interactive media system comprises the imaging touch control film which is adhered to the rear side of thick sheet glass as well as a controller and a data processor which are connected with the large-screen interactive media system, an output end of the data processor is connected to a liquid crystal display screen or a projector through a VGA, and another output end is connected to an audio through an audio output port. The large-screen interactive media system has the advantages that the large-screen interactive media system saves energy sources, reduces light pollution, has safe use, and is suitable for various occasions, thereby achieving active interactive media effect.

The invention belongs to the river water pollution treatment technology field, and particularly relates to a method for controlling water bodies polluted by mercury, lead, cadmium, copper, chrome, arsenic and other heavy metals by utilizing a multi-compound flocculation settling agent. The multi-compound flocculation settling agent is formed by preparing iron salt, aluminum salt, potassium permanganate, polyacrylamide and other solutions. The method for controlling lakes, reservoirs, rivers and other water bodies polluted by the heavy metals by utilizing the multi-compound flocculation settling agent mainly comprises the following steps of controlling the dead or flowing water bodies polluted by the heavy metals; the water after being controlled can satisfy the regulation and the requirements on three types of water bodies for heavy metal pollutants in the surface water environmental quality standard of China. The method for controlling the polluted water bodies also can be used for removing the heavy metals, iron, manganese, phosphate and other pollutants in ground water, drinking water, industrial wastewater and other water bodies.

The invention discloses a wireless charging method and system of an electric vehicle. The charging method comprises the following steps that firstly, preparatory work is conducted, wherein a wireless transmitting device is arranged on the ground of a parking area, electric vehicle guide rails are arranged on the two sides of the parking area and are each provided with a set of pressure sensor arrays, and a wireless receiving device is arranged on the bottom of the electric vehicle in a lifting mode through a lifting device; secondly, charging position alignment of the electric vehicle is conducted through the pressure sensor arrays; thirdly, the electric vehicle executes charging operation, wherein the wireless receiving device drives the lifting device to descend the wireless receiving device towards the wireless transmitting device to enable the wireless receiving device to get close to the wireless transmitting device, and energy transmission maximization is achieved.

The invention relates to a stuffing for a capacitor. The stuffing for the capacitor, according to the quality percentage, comprises 20% to 40% of vegetable oil, 2% to10% of paraffin, 45% to75% of stuffing, and 0.5% to 5% of vegetable oil antioxidant additives. The preparation method of the stuffing for the capacitor includes the following procedures: the vegetable oil is heated up to 80 DEG C to 120 DEG C, is under vacuum treatment at least 8 hours, then breaking the vacuum, is added into vegetable oil antioxidant additives, and is under vacuum treatment again at least 8 hours with the temperature keeping in the range of 80 DEG C to 120 DEG C. The paraffin is heated up to 70 DEG C to 120 DEG C to melt. The stuffing for the capacitor can be obtained through mixing the vegetable oil after the heat treatment, melted paraffin and the stuffing together. The stuffing for the capacitor has electrical performance and physics and chemistry performance.

The invention provides a binding relationship based Bluetooth beacon data service system. The system communicates with a Bluetooth beacon with the aid of monitoring managers with low-power-consumption Bluetooth communication capability and communicates with a mobile terminal with the aid of a service server, so that the monitoring manager and the service server form a data exchange bridge between the Bluetooth beacon and the mobile terminal, service data based on the Bluetooth beacon are sent to the mobile terminal, data services are provided, the problem that most terminals cannot use the Bluetooth beacon based Bluetooth beacon positioning technique normally as being non-adaptive to the Bluetooth communication standard is solved, various mobile terminals sold on the market currently are allowed to normally acquire the data services based on the Bluetooth beacon positioning technique in general, and large-scale application of the Bluetooth beacon positioning technique based data services is further promoted favorably.

The invention discloses a pancreatic cancer tumor automatic identification system based on depth learning, belonging to the technical field of image identification. The system comprises a depth learning model, wherein the depth learning model comprises a feature extraction network, a region generation network and a fast R- CNN target detection network; The feature extraction network is used for abstracting the image features of pancreatic cancer tumors and generating a convolution feature map; The region generation network is used for sliding scanning all features existing in the convolution feature map, and selecting a plurality of candidate regions at each sliding window position, wherein the candidate regions are possible pancreatic cancer tumor regions; Fast R-CNN target detection network is used to classify and regress the convolution feature map and the generated candidate regions, and finally output the location and probability of the pancreatic cancer tumor region. The system of the invention can complete the tracking identification of the pathological tissue, reduce the manual operation, and has the advantages of high processing speed and high accuracy.

The invention discloses a coated diaphragm for a ternary lithium ion battery, and a preparation method thereof. The coated diaphragm comprises a diaphragm substrate, a ceramic / graphene composite coating and a PVDF coating, two sides of the diaphragm substrate are respectively coated with the ceramic / graphene composite coating and the PVDF coating, the ceramic / graphene composite coating correspondsto a battery positive electrode, and the PVDF coating corresponds to a battery negative electrode. The positive electrode side is the ceramic / graphene composite coating, so no shrinkage of the coateddiaphragm at a high temperature is ensured, and short circuit, explosion and other safety hazards of the coated diaphragm are avoided; the negative electrode side is the PVDF coating, so the internalheat conduction performance of the battery is enhanced to a certain degree, the high-temperature storage performance of the battery is improved, the wettability and the liquid retention property of the coated diaphragm are increased, and the coated diaphragm and an electrode sheet are bonded to inhibit structural collapse of the negative electrode in the charging and discharging process; and thesuperposition of the two coatings greatly improves the safety, the cycle performance and the rate performance of the ternary lithium ion battery material are greatly improved, and the large-scale application of the coated diaphragm on a power battery is promoted.

The invention relates to a modified biochar material for removing arsenic, and preparation and application thereof. The preparation method comprises the following steps: adding biomass raw material powder into an ultrasonically-dispersed suspension of red mud and water, stirring the suspension to mix uniformly, and performing solid-liquid separation; roasting a obtained mixture of biomass and the red mud in a non-oxidizing atmosphere at the roasting temperature of 550 to 650 DEG C to obtain a carbonized product, namely, the modified biochar material. The modified biochar material is wide in raw material source, is convenient to prepare, has relatively high adsorption performance for arsenic-containing wastewater, is easy for large-scale production, and has a good application prospect.

The invention provides a map element extraction method of an automatic mapping robot, and belongs to the technical field of navigation. The method includes steps: obtaining first map element information of a to-be-detected environment, and constructing a point cloud contour map of the to-be-detected environment, wherein the first map element information includes point cloud information of the position of the to-be-detected environment; detecting a visual mark of the to-be-detected environment at a set position, and reading second map element information included by the obtained visual mark; and marking the second map element information in the point cloud contour map, and obtaining a map including specific semantic information, wherein the second map element information comprises the specific semantic information of the map element corresponding to the position of the visual mark. According to the method, point cloud mapping and semantic marking can be automatically completed, a high-precision semantic map can be obtained, the cost is low, the implementation is easy, and the extensibility is good.

The invention relates to a high power factor light-emitting diode (LED) driving power supply system. The system comprises a rectifying circuit, a transformer, a power switch and a control circuit, wherein the rectifying circuit inputs alternating current voltage and outputs periodic rectifying voltage; the phase of the rectifying circuit is the same as that of the alternating current voltage; the transformer is provided with a primary winding, a secondary winding and an auxiliary winding; the power switch is coupled to the primary winding; the control circuit is coupled to the power switch; the current in the primary winding of the transformer is controlled by the power switch, so that the envelope of a peak value of a current impulse in the primary winding is kept the same as the phase of the alternating current input voltage of the rectifying circuit, and constant mean output current is output; the current impulse characteristic of the secondary winding of the power switch in every switching period is determined by the switch-on time and the switch-off time of a secondary rectifying device; and the ratio of the switch-on time to the switch-off time is controlled to be shown as a specific expression. Through the high power factor LED driving power supply system and the control circuit thereof, a high power factor and constant current output are realized without a secondary constant-current constant-voltage feedback control circuit in a broad alternating current input voltage range.

The invention belongs to the field of agriculture technology, particularly discloses a 1-methylcyclopropene liquid preparation which is prepared by adding an organic solvent, emulsifier and an auxiliary agent on the basis of a 1-methylcyclopropene stead solution. The 1-methylcyclopropene liquid preparation acts on plants or part of the plants by methods of sprinkling, dipping and the like, and performs a preservation function or functions of resisting environmental threats, inhibiting the generation of hormones of plant ethylene, abscisic acid and the like, and enhancing resistance and the like. Compared with traditional products, the invention has convenient use and wide application range and maximizes the function of 1-methylcyclopropene (MCP), and meanwhile, the invention has the advantages of novel processing idea, simple technology, low cost, low equipment requirement and stable product performance.

The invention relates to a method for activating and modifying steel slag by the residual heat of converter steel slag, comprising the following steps: mixing and granulizing the performance adjusting material electric furnace reducing slag, coal slag and auxiliary material by weight parts; placing the dried performance adjusting material in a steel slag pack or conveying the same into the steel slag pack by a screw conveyer before the steel slag is discharged; mixing the performance adjusting material with the steel slag by using the impact force of the smelt steel slag dumpage; hot smoldering the mixed performance adjusting material and the steel slag in the slag pack for 8-24 hours; crushing the reconstructed steel slag by a jaw crusher followed by magnetic separating; and finally grinding until the specific surface area achieving 400-500m / kg to obtain the active steel slag micro powder. In the invention, the performance adjusting material is placed in the steel slag pack to be mixed with the smelt steel slag, and the performance adjusting material and the steel slag are reacted at a high temperature by using the residual heat of the smelt steel slag to improve the hydratation and cohesive activity of the converter steel slag.

The invention discloses a collaborative RTK positioning method, including the following steps: a fixed reference station is selected; observation data of the fixed reference station are obtained and a pseudorange residual error and a carrier phase residual error are calculated; information of the fixed reference station is transmitted to a reference station dispatching center; moving station coarse positioning is performed and a positioning result is transmitted to the reference station dispatching center; the reference station dispatching center dispatches a candidate reference station group matched with the moving station and sends a unique identifier of the matched candidate reference station group to the moving station; the moving station receives observation data and a standard coordinate position, and selects a standard reference station; and the moving station performs high-precision positioning. The invention also provides a system using the positioning method to perform positioning, and the system includes a reference station dispatching center, a plurality of fixed reference stations, a plurality of moving stations and a communication link for data exchange among the reference station dispatching center, the fixed reference stations and the moving stations. The collaborative RTK positioning method and system provided by the invention are high in positioning precision, and have low data processing pressure when applied on a large scale.

The invention provides friction-stir welding equipment. The friction-stir welding equipment comprises a machine tool body for friction-stir welding. A stir head is installed on a spindle of the machine tool body. A floating supporting structure is arranged between the stir head and the spindle and comprises a connecting component and an elastic supporting piece. The connecting component is fixed to the spindle, the lower portion of the connecting component and the upper portion of the stir head are matched through a plurality of concave parts and convex parts, and the connecting component and the stir head can rotate synchronously. The elastic supporting piece is arranged between the lower end of the connecting component and the upper end of the stir head in an abutting mode. A limiting structure is arranged on the connecting component and used for preventing the stir head from disengaging from the lower end of the connecting component. The friction-stir welding equipment can keep pressure constant in welding and improve the quality of welded joints. When disturbance or other accidents occur, torsion or impact force on the stir head can be reduced, so that the stir head is easy to protect and not prone to fracture, and the service life of the stir head is prolonged. The structure of the spindle is simplified, so that the whole equipment has a light weight and a small size, materials are saved, and cost is lowered.

The invention relates to a video acquisition system supporting parallel preprocessing. A hardware realization apparatus of the video acquisition system comprises a data acquisition end and a data processing end. The data acquisition end comprises two SOC systems, i.e., an image sensor module and an online preprocessor, for acquiring monitoring video information and performing real-time analysis and preprocessing on data. Modules of the data processing end are integrated on one SOC system, for performing further operation processing and storage on the received data. According to the invention, sampling data is preprocessed in real time in a parallel and efficient mode, the modules are integrated on the SOC system, the data high-speed computation performance is enhanced, occupation of buses and memory resources and burden of a microprocessor can be reduced, the system cost and power consumption are reduced, and the system provided by the invention can be applied to such scenes as smart street lamps, wearable equipment, smart glasses, intelligent medical service, intelligent houses, enhanced reality equipment and the like at the same time.

The invention relates to a porous perovskite film, carbon slurry and a carbon electrode based solar cell. The chemical formula of the perovskite film is ABX3, wherein A is at least one monovalent cation, and is preferably at least one or a mixed ion of CH3NH3<+>, NH2-CH=NH2<+>, Cs<+>, Li<+>, C4H9NH3<+>, CH6N3<+>, Na<+> and K<+>, B is at least one of PB<2+>, Sn<2+>, Ge<2+>, Co<2+>, Fe<2+>, Mn<2+>,Cu<2+> and Ni<2+>, and X is at least one of Cl<->, Br<->, I<->, SCN<-> and BF4<->. The perovskite film is of a porous structure.

The invention discloses an N-type casting policrystalline silicon with a uniform doping resistivity and a preparation method thereof. The preparation method comprises the following steps of: mixing a polycrystalline silicon material, a phosphorus doping agent and gallium; then fusing; and growing a polycrystalline silicon body by using a casting method. According to the N-type casting policrystalline silicon with the uniform doping resistivity, the resistivity of about 90% N-type phosphorus doping phosphorus doping cast ingots can be controlled in the range of 1.0-2.0 omega.cm, therefore, the utilization rate of the N-type polycrystalline silicon crystal in the process of manufacturing an efficient solar cell is beneficially improved, the manufacturing cost of the efficient solar cell is remarkably lowered, the preparation method is simple to operate and easy to popularize and use in the photovoltaic industry.

The invention discloses a liquid medicine for prolonging flowering time of wild rhododendron delavayi. The liquid medicine is obtained by adding water to gibberellin and 2,4-dichlorphenoxyacetic acid and blending, and the proportion is that 40-80 mg of gibberellin and 50-150 mg of 2,4-dichlorphenoxyacetic acid are blended with each kilogram of water. When the wild rhododendron delavayi is sprayed by the liquid medicine provided by the invention, the liquid medicine is sprayed by the following ways: spraying parts: uniformly spraying the liquid medicine on the leaves of the wild rhododendron delavayi; spraying time: spraying at the blossom bud developmental phase; spraying period: spraying for one time every seven days; and spraying frequency: spraying for five times in all. The liquid medicine disclosed by the invention has the advantages of freedom from limits of natural conditions, easiness in application in a large scale, simpleness of operation, low cost and capability of really achieving the aim of manually regulating and controlling the flowering time of the wild rhododendron delavayi. By utilizing the liquid medicine disclosed by by the invention, the flowering time of the rhododendron delavayi can be prolonged by about 10 days so that the aim of prolonging the flowering time of the wild rhododendron delavayi can be realized.

The invention belongs to the technical field of information, and in particular relates to a production method of a paper RFID hot stamping label. A paper substrate is used as an antenna substrate, wherein variable or invariable barcode information or a LOGO pattern is printed on one side of the antenna substrate, the other side of the antenna substrate is subjected to alignment printing to form an electronic label antenna surface, and then the electronic label antenna surface is compounded and compacted with a PET film coated with an isolation layer to obtain an antenna; a chip is bound to the compounded antenna to be manufactured into an electronic label inlay layer; an adhesive film is coated on an inlay surface bound with the chip; then the hot stamping electronic label is cut into a single label or single-row labels by a positioning die, and the single label or the single-row labels are rolled up to obtain a product. The production method of the paper RFID hot stamping label disclosed by the invention realizes a dual-information safety guarantee of visual information and electronic label information, and is environment-friendly and pollution-free, and the prepared electronic label has non-transferability, high anti-counterfeiting strength, fast hot stamping speed and high efficiency.

The invention relates to a method for directionally regulating and controlling indigenous microbial flooding of an oil reservoir and belongs to the technical field of improvement on crude oil recovery rate. The method for directionally regulating and controlling the indigenous microbial flooding of the oil reservoir is characterized by comprising the following steps of: firstly, activating hydrocarbon oxidizing bacteria of a near wellbore zone; injecting an aerobic system activation agent into the near wellbore zone; directionally activating the hydrocarbon oxidizing bacteria of the near wellbore zone; and secondly, activating anaerobic fermentation bacteria at the deep part of the oil reservoir, injecting an anaerobic system activation agent into the deep part of the oil reservoir, directionally activating the anaerobic fermentation bacteria, activating methanogen to generate gas by using metabolite of the anaerobic fermentation bacteria and improving the crude oil recovery rate through beneficial metabolic products of microorganism. The method disclosed by the invention has the advantages of simple process, directional activation, convenience in operation, low cost, economy, practicability, no toxicity, no harm, no nutrient waste, wide application range, facilitation for large-scale application of a mine filed and the like.

The invention discloses a preparation method of a wear-resistant super-hydrophobic metal surface. The preparation method includes the steps of preparing ordered micron-structure array on the surface of a metal base by means of mask electrochemical micro-machining; by ultrasonic assisted anodizing, generating porous secondary coarse structure on the surface of the metal base with the ordered micron-structure array; spraying hydrophobic material to the surface of the porous secondary coarse structure, and baking after natural volatilization of solvent to obtain the product. According to the preparation method, in the processing of the ordered micron-structure array, the mask is provided with a flexible insulating film which has micron-structure array pattern and is treated through ultraviolet laser, and can be reused; thus, processing steps are decreased, efficiency is improved, cost is lowered, and application in scale is facilitated. Besides, the micron coarse structure is generated directly on the body of the metal base so that high strength is achieved; the processed metal surface porous structure can protect the hydrophobic coating well, and accordingly hydrophobic property and durability are improved.

The invention discloses silicon modified double-component waterborne polyurethane composite coating for automobile varnish and a preparation method thereof. The composite coating is prepared from a component A and a component B, wherein the component A is silicon modified waterborne polyacrylate emulsion; the component B comprises a hydrophilic isocyanate curing agent, graphene and an auxiliary agent; the silicon modified waterborne polyacrylate emulsion contains methyl methacrylate, butyl acrylate, styrene, acrylic acid, a copolymer of beta-hydroxyethylmethacrylate and polysiloxane with double bonds, and silane modified silicon dioxide nanoparticles. According to the composite coating, the polysiloxane, silicon dioxide nanoparticles and the graphene are uniformly introduced into matrix resin, so that the attachment force and the water resistance of the composite coating are effectively improved; meanwhile, the hardness and the strength are increased and the composite coating is especially suitable for the automobile varnish.

The invention relates to a preparation method of a PVDF (polyvinylidene fluoride) pore membrane material used for a lithium-ion battery separator. With adoption of an NIPS (nonsolvent-induced phase separation) method, PVDF, HDPE (high-density polyethylene), PSF (polysulfone) and PVP (polyvinyl pyrrolidone) are proportionally mixed, heated and dissolved in a solvent, and a casting solution is obtained; the casting solution form a basic membrane through tape casting, the obtained basic membrane is immersed into deionized water or an organic solventnormal hexane, cyclohexane, absolute ethyl alcohol, methyl alcoholtoluene or xylene, the solvent in the separator is removed, vacuum drying is performed, and the separator is formed. The method has a simple process, parameters are easy to control, and compared with an ordinary commercial separator, physical properties of wettability, mechanical property, ionic conductivity and the like as well as electrochemical properties of electrochemical stability, rate capability and the like of the prepared PVDF mixture lithium-ion battery separator are greatly improved.

The invention discloses a novel topological photonic crystal structure and an optical waveguide, and a unit cell of the novel topological photonic crystal structure is formed by arranging six identical dielectric cylinders into two independent regular triangle units and has C3 rotational symmetry. A plurality of structural states of the crystal structure all have a dual Dirac cone cell, and energyband inversion and topological phase transition are achieved by stretching and compressing at least one of the two triangular units on the basis of each cell state having a dual Dirac cone, and a large topological non-mediocre photonic band gap is opened. An optical waveguide is also constructed based on the crystal structure, the topological non-mediocre photonic crystal (PC3) and the topological mediocre photonic crystal (PC1) are combined to support optical unidirectional transmission at the interface to inhibit backscattering, the transmission efficiency is extremely high, the immunity tostructural defects is strong, and three different structural defects can be perfectly passed.

The invention discloses an indoor high precision personnel positioning system. The system comprises a label, a base station and a positioning engine, wherein the label comprises a casing, the casing is internally provided with a battery module, a first circuit board, a first antenna, a first UWB transceiver chip, a first single-chip microcomputer, a first USB connection female seat and a motion sensing chip, the base station is provided with a second antenna, a second circuit board, an external power supply port, an RJ45 network port, a second USB connection female seat, a second UWB transceiver chip, a second single-chip microcomputer and a serial port server, the positioning engine includes a positioning server, and positioning algorithm software is installed on the positioning server. The system is advantaged in that one-dimensional and two-dimensional positioning can be completed through simply selecting two base stations by the positioning algorithm, the system is suitable for specific environments such as data centers, through comparing signal intensity of the label at cabinet channels of the base station, label positioning base station group selection is made to be more accurate.

The invention discloses a silicon dioxide anti-reflection film for surface ultrafast hydrophobic treatment. The silicon dioxide anti-reflection film is characterized in that the peak transmittance drop-out valve of the anti-reflection film which is subjected to the surface ultrafast hydrophobic treatment is 0.21-0.61 percent; after the anti-reflection film which is subjected to the surface ultrafast hydrophobic treatment is scrubbed by ethanol-stained absorbent cotton for 30 times, the surface has slight scratches or no scratches; the rise value of a contact angle is 71.7-72.2; and after the silicon dioxide anti-reflection film is placed in an oil-containing atmosphere formed by dimethyl silicone oil volatilization for one week, the drop-out value of the peak transmittance of the silicon dioxide anti-reflection film is 0.22-0.81. The invention also discloses a preparation method of the silicon dioxide anti-reflection film. The silicon dioxide anti-reflection film provided by the invention has the advantages of not only simultaneously improving the wear resistance and the environment resistance but also having no influence on the transmittance of the peak value basically, and can be widely applied to the fields such as a strong laser system, a solar battery and a solar heat collection pipe. The method has the advantages of quick treatment process, simple process, easiness in operation and high easiness for realizing large-scale application in industry.