23results about How to "Solve application problems" patented technology

The invention relates to a gas chromatograph and a chromatographic analysis method for analyzing sulfides in fuel hydrogen, the gas chromatograph comprises an electronic flow controller, a sample injection valve, a flow path selection valve and a plasma emission detector, two branches are arranged between the sample injection valve and the flow path selection valve, the first branch comprises a chromatographic column I, a cutting valve I and a chromatographic column II which are used for separating H2, CH4S and CS2 from sample gas, the second branch comprises a chromatographic column III, a cutting valve II and a chromatographic column IV which are used for separating fuel hydrogen, H2S and COS from the sample gas, and the plasma emission detector is used for quantitatively detecting CH4S, CS2, H2S and COS which are completely separated. Therefore, operation, use and maintenance are simple, only helium is used as carrier gas, and sensitivity is high.

The invention discloses a dechlorination method of a wet-process phosphoric acid process, and belongs to the technical field of dechlorination of wet-process phosphoric acid. The method comprises the following steps: adding ground phosphorite into a reaction tank A, carrying out decomposition reaction on the phosphorite and high-temperature slurry to obtain slurry a, pumping the slurry a into a reaction tank B, adding concentrated sulfuric acid and a sodium persulfate solution, activating sodium persulfate in the inherent high temperature, strong acid and Fe2 environment, carrying out oxidation dechlorination reaction, and carrying out solid-liquid separation to obtain low-chlorine phosphoric acid and phosphogypsum; finally, the reaction tank B is connected with a tail gas washing system, water is used for circulating washing, then alkali liquor is used for countercurrent washing, and the pollution discharge standard is met. The oxidation dechlorination process is integrated in the wet-process phosphoric acid production process for the first time, chloride ions are efficiently oxidized into chlorine to be removed by utilizing the strong oxidizing property of sodium persulfate, the dechlorination rate can reach 95% or above, the chlorine content in phosphoric acid is remarkably reduced, equipment corrosion is relieved, the product quality is improved, and the method is simple in process, low in energy consumption, low in cost, green, environmentally friendly and suitable for industrial production. The method is suitable for industrial application.

The invention discloses a method, a system and equipment for generating ECharts chart resources based on a server side. The method is executed in a Node.js environment and comprises the following steps: receiving and analyzing a chart generation request; loading an ECharts configuration template and obtaining original data, and generating a complete configuration item after standardization processing; creating a virtual DOM (Document Object Model) environment and container elements through the JSDOM; creating an off-screen canvas based on Canvas, initializing an ECharts instance and executing rendering; encoding the rendering result into an image data stream; and performing format adaptation and distribution according to the terminal type. The invention further provides a cross-end consistency guarantee mechanism, a block rendering optimization mechanism, an intelligent distribution mechanism and the like. Complete decoupling of the ECharts and the server environment is achieved, static chart resources can be efficiently generated, large data volume processing is supported, cross-terminal display consistency is ensured, the performance and safety of chart generation are remarkably improved, and the application range of chart generation is remarkably widened.

The invention discloses a high-performance composite capacitor base film and a preparation method thereof, the method comprising the following steps: step 1, mixing polyester masterbatch and composite reinforced modified particles to obtain an extrusion masterbatch; step 2, melt extrusion, cooling, and casting; step 3, preheating the cast sheet and performing longitudinal stretching; step 4, preheating, performing transverse stretching; step 5, shaping treatment, and finally cooling, winding, and trimming to obtain a high-performance composite capacitor base film. The invention adopts PEN and PET compound as polyester masterbatch, which can improve the mechanical strength and heat resistance of the base film. The composite reinforced modified particles in the invention adopt acid-modified carbon nanotubes and nano-SiO2 as the main reinforcing fillers, and compound nano-alumina and reduced carbon dots to form a special three-dimensional network structure, which can comprehensively improve the mechanical strength, heat resistance and oxidation resistance of the base film, improve the application effect of the base film, and extend its service life.

The invention provides polymer nanofiber formed particles, a preparation method thereof and lithium battery diaphragm coating slurry comprising the polymer nanofiber formed particles. The polymer nanofiber formed particles are prepared by the preparation method, and the method comprises the following steps: preparing polymer nanofibers into a dispersion liquid, stirring, homogenizing and emulsifying, drying at low temperature, heating and crystallizing, crushing and sieving, and demagnetizing, so as to obtain the polymer nanofiber formed particles. The viscosity of the dispersion liquid is less than 500 cp. The invention further provides lithium battery diaphragm coating slurry, and a preparation method of the lithium battery diaphragm coating slurry comprises the following steps: mixing the polymer nanofiber molding particles, a water-based dispersant and pure water to obtain dispersed slurry, uniformly mixing the dispersed slurry with an anti-settling agent aqueous solution, grinding to obtain ground slurry, mixing the ground slurry, an adhesive and a wetting agent, and uniformly stirring to obtain the lithium battery diaphragm coating slurry. The lithium battery diaphragm coating slurry is obtained. The coating slurry prepared from the polymer nanofiber formed particles provided by the invention has the excellent characteristics of high solid content and low viscosity, so that the comprehensive performance of the diaphragm is remarkably improved.

The embodiment of the invention discloses a loop bus communication method and device, electronic equipment and a storage medium, and relates to the technical field of industrial automation and intelligent control, and the method comprises the steps: carrying out the initialization of Master and Slave equipment through setting a current pulse signal threshold value, a return code data representation mode and a high-low voltage pulse width standard; the Master equipment sends downlink data by modifying a low-voltage pulse duty ratio and indicates a return code state by using a high-level pulse duty ratio, and the Slave equipment realizes full-duplex communication by changing a bus current return code. For address conflicts possibly caused by simultaneous code returning of multiple Slave devices, the Master device automatically triggers an address redistribution process by detecting the size of code returning current and a sequential relationship. A low-power-consumption timer is used for controlling the Slave device to be awakened only when a communication request is requested, and the Master device dynamically adjusts transmission parameters and speed by monitoring bus signal quality. According to the invention, the problems of low transmission efficiency and incapability of real-time arbitration and address conflict detection in the prior art are effectively solved.

The invention relates to the technical field of coke oven collection, and discloses a coke pushing side wall collection control system, comprising a cooling tower and a refrigerant supply module arranged on a coke pushing rod, wherein an image collection module is rotatably connected in the cooling tower, and the pushing stroke remaining amount monitoring module monitors the movement remaining stroke of the coke pushing rod driven by a coke pushing driving assembly, and the pushing stroke remaining amount monitoring module records the remaining stroke max, the positive rotation remaining stroke and the remaining stroke min respectively according to the remaining stroke, wherein the remaining stroke min is the limit movement stroke, and the remaining stroke min≥0; the bidirectional movement of the coke pushing rod is used for unidirectional same-side collection, and the problem of retained temperature rise of the coke pushing rod is solved in combination with the movement characteristics of the coke pushing rod and the problem of retained temperature rise of the cooling tower, the system conforms to practical application and has a simple structure, and adjusts the wind control method to readjust and plan the coke pushing stroke and the regulation of air supply temperature, air supply direction and air supply speed, so as to ensure that the image collection module is in a safe environment.

The utility model relates to the field of fire-fighting equipment protection shell manufacturing, in particular to a fire-fighting sensor shell. The fire-fighting sensor shell comprises a base and a top cover installed at the top end of the base, and the base and the top cover define an accommodating space for installing a sensor; a plurality of holes are formed in the side wall of the base and / or the top cover, a filter membrane is installed in the containing space, and the filter membrane at least can cover the holes; a threading plug used for allowing a signal line to penetrate through is arranged and penetrates through the top cover and / or the base, and the threading plug extends to the containing space; the bottom end of the base is fixedly connected with a plurality of damping fins. According to the fire-fighting sensor shell design provided by the invention, aiming at fire-fighting monitoring requirements in an extremely severe environment, multiple innovative technologies and material applications are integrated, and the stability and durability of a fire-fighting sensor under complex working conditions are remarkably improved.

The utility model discloses a slag ladle automatic transportation flat car positioning system which comprises an MCU microprocessor, a laser range finder, a data collector, a driver, a data display and a data transceiver. The MCU microprocessor is used for preprocessing detection data, analyzing to obtain position information of the flat car and controlling the data collector, the output controller, the data display and the data transceiver; the MCU microprocessor performs SPI communication with the data acquisition unit through an I / O port, communicates with the data processing and analyzing device through the I / O port, performs one-way control with the output controller through the I / O port, performs one-way communication with the data display through the I / O port, and performs two-way communication with the data transceiver through the I / O port; the analog signal output end of the laser range finder is connected with the input end of the data collector, and the laser range finder is used for detecting the real-time distance of the slag ladle automatic transportation flat car and converting distance information into linear analog voltage signals to be output.

The application discloses a kind of oil gas recovery facility configuration methods suitable for multi-working condition coastal finished oil wharf, it is related to the technical field of environmental pollution control, especially air and water environmental pollution control field, the destructive power of wharf oil gas pollution to environment is huge, to protect the environment, wharf needs to set up oil gas recovery facility, this method first collects target wharf basic working condition parameters and pipeline laying distance, and determines space constraint working condition;Multi-objective evaluation matrix is constructed, and the score of candidate scheme is calculated and sorted by comprehensive evaluation model;Finally, the floor area of optimal scheme is called, the physical boundary is judged in combination with space constraint working condition, and the air induction module selection parameter for overcoming long-distance pressure drop is synchronously output based on pipeline laying distance, to generate space layout instruction containing physical arrangement and fluid compensation.The application couples process quantization optimization and wharf physical space depth, significantly reduces the overall operation energy consumption of oil gas recovery process, and helps port energy saving and emission reduction.

This invention relates to a method for preparing Panax notoginseng polysaccharides, as well as the products and applications thereof. The preparation method includes: extracting Panax notoginseng by mixing it with an ethanol-water solution; further extracting the residue; mixing the extract with a flocculant; filtering; collecting the filtrate; mixing the filtrate with ethanol and water; centrifuging; collecting the precipitate; subjecting the precipitate to enzymatic depolymerization treatment; inactivating the enzyme; centrifuging; and collecting the supernatant to obtain the final product. The polysaccharide obtained by the method of this invention has a high content and excellent solubility. Furthermore, this invention reveals that Panax notoginseng polysaccharides can regulate key genes of the skin barrier. Specifically, the Panax notoginseng polysaccharides obtained using the method provided by this invention can regulate multiple skin barrier genes, synergistically enhancing skin barrier function from multiple aspects, and have great potential for application in cosmetics.

According to the amorphous high resistance, extremely low iron loss, easy formation of a residual magnetism state and unique physical properties, a stator circumference winding method is adopted, and the method is small in machining surface and simple in winding; the use size of the stator is reduced, so that the material cost is reduced, and wire slots and wire seams of the stator are stamped by adopting a silicon steel sheet covering method. In the machining process, the computer control technology is used for adjusting the space between wire grooves, and the stator of the motor is manufactured through the circumferential winding technology. And the performance of the motor achieves an energy-saving effect.

The invention discloses black phosphorus and saccharomycetes core-shell structure composite particles and application thereof as a water-based lubricating additive. After the black phosphorus-saccharomycetes core-shell structure composite particle powder prepared by the invention is stable, the aqueous dispersion of the black phosphorus-saccharomycetes core-shell structure composite particle powder has no macroscopic precipitate after standing for 60 days at room temperature, the stability is obviously superior to that of the reported black phosphorus-based dispersion, and the black phosphorus-saccharomycetes core-shell structure composite particle powder is suitable for long-term storage. Under the addition concentration of 0.5 wt%, the PB value of the water-based liquid can be remarkably increased, and the diameter and depth of a grinding crack can be greatly reduced. According to the present invention, the reproducible, non-toxic and easily-degradable yeast is adopted as the template, the deep eutectic solvent is adopted to replace the traditional N-methyl pyrrolidone and other toxic organic solvents to carry out black phosphorus stripping, the plant-derived genipin is adopted to replace the toxic chemical cross-linking agent, the used raw materials are green and environmentally friendly, the whole preparation process is performed at the normal temperature and the normal pressure, the energy consumption is low, and the safety is high. The preparation method disclosed by the invention has the advantages of clear steps, controllable parameters, easiness in large-scale production and extremely high industrial transformation potential.

The invention discloses an application of using a carbon nanotube (CNT) film electrode as a cathode to electrocatalytically reduce 1-nitroanthraquinone to generate 1-aminoanthraquinone. An N-methylpyrrolidone (NMP) solution and a dissolved Na2SO4 electrolyte dispersed in 1-nitroanthraquinone are added to a reaction vessel, and an appropriate amount of palladium nanoclusters are added as a catalyst. With a titanium sheet as an anode and a CNT film as a cathode, 1-nitroanthraquinone is reduced to 1-aminoanthraquinone by direct electron transfer and hydrogen action at a certain applied voltage through the cathode. The 1-aminoanthraquinone preparation method proposed in the present invention is simple, has a short preparation cycle, mild preparation conditions, and is environmentally friendly. Using this method to prepare 1-aminoanthraquinone, the cathode further reduces the dual effects of the reactant through direct electron transfer and catalyst-enhanced hydrogen production, thereby achieving rapid preparation of 1-aminoanthraquinone. The CNT film electrode used has a richer active site, provides more reaction surface area, and significantly improves the generation rate of 1-aminoanthraquinone compared to traditional metal electrodes.

The application provides a P-type silver-bismuth-sulfur-based polycrystalline block thermoelectric material, a preparation method and application thereof. 3‑x S 5.08 The chemical general formula of the P-type silver-bismuth-sulfur-based polycrystalline block thermoelectric material is AgBi 0.3 <= x <= 0.6. The P-type silver-bismuth-sulfur-based polycrystalline block thermoelectric material with reduced molar ratio of bismuth elements is synthesized by using raw materials with a purity of 99.9999% and a high-temperature melting method, and a P-type silver-bismuth-sulfur-based ingot with uneven density and many pores is obtained. Then, the ingot is fully ground in an agate mortar to obtain a powder with uniform size, and the powder is poured into a graphite mold and subjected to discharge plasma sintering to obtain the P-type silver-bismuth-sulfur-based polycrystalline block thermoelectric material with uniform density. The P-type silver-bismuth-sulfur-based polycrystalline block thermoelectric material is prepared for the first time, the material is easy to obtain, the preparation process is simple, and the material has potential to become a high-performance medium-low-temperature thermoelectric material.

The application discloses a quantitative analysis method for steam turbine unit based on dimension reduction parameter reconstruction of a hash function, relates to the technical field of power machinery fault diagnosis, and solves the technical problems that dimension reduction is not thorough enough when high-dimensional data space of a steam turbine unit is reconstructed in parameters, and a quantitative function relation between a health factor and a health state of the steam turbine unit is not constructed.The technical scheme points are that a relation between dynamic change characteristics of working condition fingerprint time series information entropy and a system health factor is analyzed in depth, a health factor degradation law of a whole life cycle of the steam turbine unit is revealed, a working condition fingerprint complexity entropy increase formation mechanism of the steam turbine unit is revealed, a health factor quantitative evaluation model of the steam turbine unit is established, health factor quantitative calculation of the steam turbine unit is realized, and the application problem of PHM technology in engineering equipment such as the steam turbine unit is solved, so that scientific basis and technical support are provided for research work in the field of quantitative maintenance and health management of the steam turbine unit.

This invention discloses an aqueous solution of silk fibroin-hydrophobic active material aggregates and its preparation method, comprising the following steps: adding a hydrophobic active material with a planar conjugated structure to an aqueous dispersion system of high-crystalline silk fibroin aggregates; and inducing a conjugation reaction between the hydrophobic active material and the silk fibroin aggregates by stirring or homogenization to form silk fibroin-hydrophobic active material aggregates, thereby obtaining an aqueous solution of silk fibroin-hydrophobic active material aggregates. This invention utilizes the mutual conjugation reaction between high-crystalline silk fibroin at the nanoscale and a hydrophobic active material with a planar conjugated structure. Under high-speed stirring or homogenization, the two are induced to directly form nano-aggregates, and the hydrophobic active material is dissolved by utilizing the water dispersibility of silk fibroin. No other solvents, co-solvents, or carriers are required, and the method is simple and controllable.

The invention provides a thick and hard top plate roof-cutting roadway-forming gangue side buffering control method, and belongs to the technical field of roof-cutting pressure-relief coal-pillar-free self-roadway-forming mining. The method comprises the following steps: step 1, mounting a first gangue retaining support device on one side, close to a working face, of a roadway; 2, a flexible buffer wall is arranged on the side, away from the mining working face, of the first gangue blocking supporting device; 3, a second gangue blocking supporting device is arranged on the side, away from the first gangue blocking supporting device, of the flexible buffering wall; 4, roof cutting and pressure relief are conducted after the working face is mined; the method is used for solving the technical problems that in the mining process of an existing roof-cutting pressure-relief coal-pillar-free self-roadway-forming technology, under the geological condition of a thick and hard roof, large caving gangue behind a working face can generate strong impact load on a gangue blocking support, and large-range deformation and failure of a hydraulic gangue blocking support are prone to occurring in the mining process of the existing roof-cutting pressure-relief coal-pillar-free self-roadway-forming technology.

The utility model discloses a multifunctional charging device which comprises an MCU controller, a first interface, a second interface, a third interface, a DC / DC boost-buck circuit, a USB AUDIO circuit, a battery and a loudspeaker, the first interface is an output port, the second interface and the third interface are charging input ports, and the first interface is an output port. The first interface, the second interface, the third interface and the DC / DC boost-buck circuit are respectively connected with the controller, the DC / DC boost-buck circuit is further connected with the first interface, the second interface, the third interface and the battery, and the first interface is connected with the loudspeaker through the USB AUDIO circuit. According to the utility model, the functionality of the mobile charging device is enriched, the charging and discharging endurance problem of the mobile playing device is solved, and the application problem that the mobile playing device uses USB digital-to-analog output audio (USB audio) while being charged can also be solved.

The invention provides a multi-screen display method and system, and relates to the technical field of virtual machines, the multi-screen display method is applied to a virtual device, the virtual device is deployed at a cloud end, the virtual device comprises N virtual display screens, and N is greater than or equal to 2; each virtual display screen in the N virtual display screens is used for displaying different applications provided by the virtual equipment; the N virtual display screens correspond to the M physical display screens, each virtual display screen corresponds to at least one physical display screen, and each physical display screen in the M physical display screens only corresponds to one virtual display screen; the method comprises the following steps: synchronizing an interface of a first virtual display screen to a first physical display screen; wherein the first physical display screen is any one of the M physical display screens, and the first virtual display screen is a virtual display screen corresponding to the first physical display screen. According to the method and the device, the problem of how to display the applications provided by the virtual equipment in different physical display screens is solved.

The utility model discloses a urine metabolite detector suitable for multiple scenes, including flexible sensor patch, the flexible sensor patch is connected with the circuit board in the detector through the flexible flat cable, the flexible sensor patch includes the insulating layer, electrode layer, flexible base layer, double -faced adhesive layer and separation layer who sets gradually from top to bottom, wherein, electrode layer includes a plurality of working electrode and one counter electrode, the outer periphery of working electrode and counter electrode is set around hydrophobic layer, the outer periphery of flexible sensor patch is set around antibacterial layer, the utility model solves the shortcoming that the traditional urine detection equipment of prior art exists and is operated complicated, is easily polluted, and the universality is poor, cannot be applicable to the urine detection in paper diaper and urine detection of closestool, and the urine detector can be carried personally, also can be installed in paper diaper interlayer and closestool inner wall, greatly promotes the universality and use portability of urine metabolite rapid detection instrument.

The present application relates to propellant technical field, specifically disclose a kind of quick response hydrocarbon propellant and its preparation method, by mass percentage includes composite hydrocarbon fuel: 26~40%;Oxidant: 30~35%;Metal fuel: 8~15%;Binder: 18~23%;Process aid: 0.1~1.6%;Binder is the combination of butadiene rubber and polybutadiene.This hydrocarbon propellant uses butadiene rubber with melting temperature of 80 DEG C as binder matrix and uses liquid PB with molecular weight of 2000~2500 as auxiliary binder, ensure propellant mixing process performance, improve the bonding performance between hydrocarbon fuel system and binder, improve the mechanical properties of propellant;And the present application uses non-polyurethane binder system, solves the problem that polyurethane curing system is cured by environmental humidity, and propellant strength is less affected by environment.

The invention relates to the technical field of frozen drinks, in particular to high-fat-content ice cream and a preparation method thereof. The high-fat-content ice cream provided by the invention overcomes the problems of greasy mouth feel and poor melt-in-mouth property caused by high fat content, has better milk cover mouth feel, is not obvious in greasy feel, gives consideration to the high-fat milk cover mouth feel and fresh and cool mouth feel, has better melt resistance, solves the application problem of milk covers in ice cream products, and has a good market prospect. The method has a good application prospect in milk cover ice cream products.