13results 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 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 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 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 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.