98results about How to "Quick capture" patented technology

The invention relates to a distributed energy management system for prolonging the cycle life of a lithium battery. The system comprises an acquisition unit used for acquiring battery state characteristic data of single batteries in a lithium battery pack; the identification unit is used for carrying out charge and discharge abnormal mode identification on the battery state characteristic data to obtain charge and discharge abnormal event data; the decomposition unit is used for performing hierarchical characteristic decomposition and multi-dimensional fusion based on the charging and discharging abnormal event data to obtain a cycle life attenuation characteristic matrix; and the equalization control unit is used for carrying out life equalization control based on the cycle life attenuation characteristic matrix to obtain a target charge and discharge coefficient. According to the invention, the local over-charge and over-discharge phenomena are effectively inhibited, the service life loss of the battery pack is reduced, and the energy balance adjustment of the multi-node control unit is realized.

Along with promotion of industry 4.0 and rising of intelligent manufacturing, an industrial decision support system plays a more and more important role in improving enterprise operation efficiency and market competitiveness. The invention provides an industrial decision support system based on big data and artificial intelligence technology, and aims to provide accurate decision support for enterprises through deep analysis and real-time processing of massive industrial data. According to the system, by integrating an advanced data acquisition technology, monitoring and data capturing of the whole process of industrial production, including but not limited to production equipment states, process parameters, quality control, supply chain information and the like, are realized. By using artificial intelligence algorithms such as machine learning and deep learning, the system can identify a mode and predict a trend from complex data and construct a corresponding decision model. In addition, a built-in operation optimization engine of the system can provide an optimal solution for production planning, inventory management and resource configuration based on a data analysis result. Through an intuitive user interaction interface, a decision maker can easily obtain key business insights and intelligent decision suggestions so as to make a quick response in a continuously changing market environment. The industrial decision support system not only can improve the production efficiency and the product quality, but also can help an enterprise to reduce the operation cost, avoid potential risks, and promote the enterprise to transform to intelligence and digitization.

The invention provides a method for quickly training an LSTM (Long Short Term Memory) model by time series data, which relates to the technical field of data processing, and comprises the following steps: S1, a data integration stage: efficiently processing and utilizing telemetering real-time stream data through Kafka and Flink, s2, a data storage stage: storing the time sequence data processed in the integration stage into a high-performance database IoTDB specially designed for the time sequence data according to a time sequence, and S3, an algorithm application stage: constructing an LSTM model, setting parameters, optimizing the LSTM model, and performing time sequence data prediction by using an LSTM algorithm model. According to the method for rapidly training the LSTM model through the time series data, the time series telemetry data generated in the test flight process are collected and processed through Kafka, real-time data of an aircraft can be rapidly captured, processed and analyzed, data transmitted by a sensor and an algorithm model are decoupled through the Kafka, data output by the sensor can be directly sent to the Kafka, and the LSTM model can be rapidly trained through the Kafka. And it is avoided that an algorithm model needs to be concerned to process data.

The invention discloses a preparation method and application of biomass-based photo-thermal super-hydrophobic composite aerogel, and belongs to the technical field of oil spill adsorption materials. The method comprises the following steps: (1) mixing sodium alginate, kapok fibers and water to obtain a dispersion; freeze-drying is carried out, such that kapok / sodium alginate composite aerogel is obtained; (2) soaking the kapok / sodium alginate composite aerogel in a CaCl2 aqueous solution for cross-linking, so as to obtain cross-linked composite aerogel; (3) soaking the cross-linked composite aerogel in an aqueous solution containing Tris-HCl and dopamine hydrochloride, so as to obtain a polydopamine composite aerogel; (4) soaking in a pyrrole aqueous solution, and adding anhydrous FeCl3 to obtain photo-thermal composite aerogel; and (5) carrying out hydrophobic modification on the photo-thermal composite aerogel through organosilane vapor deposition to obtain the biomass-based photo-thermal super-hydrophobic composite aerogel. The super-hydrophobic composite aerogel prepared by the method has excellent adsorption performance and photo-thermal performance, and can quickly remove oil stains in water.

The invention discloses a preparation method and application of an efficient migration-resistant hindered phenol antioxidant. The preparation method comprises the following steps: dissolving a hindered phenolic compound and an epoxy compound in a solvent to carry out ring-opening reaction, and then further reacting the carboxyl-activated hindered phenolic compound with a ring-opened product to obtain the novel antioxidant with 4-6 hindered phenolic hydroxyl groups in the structure. According to the novel antioxidant disclosed by the invention, on the basis of fully utilizing the capability of capturing free radicals by hindered phenolic hydroxyl, the oxidation resistance of the antioxidant is improved by changing a para-substituent structure, the migration resistance of the antioxidant is improved by changing the molecular weight and the molecular structure, and the service life of the antioxidant in a high polymer material is prolonged. The novel antioxidant has the advantages of simple process preparation, high efficiency, migration resistance and the like.

The invention provides a low-orbit satellite signal processing method and device and electronic equipment, and relates to the technical field of satellite navigation, and the method comprises the steps: carrying out the coarse capturing of a received signal, and obtaining the first carrier Doppler frequency offset of the received signal and the frame header position of a subframe of the received signal; performing frequency and phase compensation on the received signal based on the first carrier Doppler frequency offset to obtain a compensated signal; determining a part of signals starting from the frame header position in the compensated signals as target signals, and finely capturing the target signals to obtain second carrier Doppler frequency offset of the target signals and the frame header position of subframes of the target signals; and performing signal tracking and channel decoding based on the second carrier Doppler frequency offset and the frame header position of the subframe of the target signal to obtain message information in the received signal. The method can rapidly and accurately complete the capture of the received signals such as the SPT signals of the low-orbit satellite, and carries out the signal tracking and channel decoding, thereby rapidly and accurately obtaining the message information in the received signals.

The invention relates to the field of optical detection, in particular to an interference confocal measurement system based on two-dimensional dispersion and a measurement method thereof. White light generated by a light source is collimated into parallel light through a first collimating lens, is shaped into rectangular light through a rectangular diaphragm, and is shaped into a linear light beam through a column focusing lens and a rectangular slit; the light is divided into reference light and object light through a beam splitter, the reference light is achromatic through a first achromatic objective lens, then enters a reference plane mirror and is reflected back to the beam splitter by the reference plane mirror, the object light is focused to positions of different depths of an object to be measured after being dispersed through a dispersion lens and is reflected back to the beam splitter by the object to be measured, and the two beams of light are reconverged in the beam splitter. And after being collimated by the second collimating lens, dispersed by the dispersion grating and achromatic by the second achromatic objective lens in sequence, the light is focused on the target surface of the spectrograph for spectrum and interference analysis. According to the invention, line scanning, dispersion and interference measurement are combined, so that the measurement precision can be greatly improved.

The utility model provides an air-ground cooperative positioning rescue system in the technical field of rescue equipment. The air-ground cooperative positioning rescue system comprises a positioning terminal, a searching terminal, a rescue terminal and an unmanned aerial vehicle, the positioning terminal comprises a first control module and a first GPS positioning module. The search terminal comprises a second control module and a second GPS positioning module; the rescue terminal comprises a third control module, an LED status lamp, an OLED screen, an LTE communication module and an LTE power supply module. One end of the first control module is connected with the first GPS positioning module, and the other end of the first control module is connected with the second control module; the second GPS positioning module is connected with the second control module; the third control module is connected with the second control module, the LED status lamp, the OLED screen and the LTE communication module. The LTE power supply module is connected with the LTE communication module; and the search terminal is arranged on the unmanned aerial vehicle. The positioning rescue device has the advantage that the positioning rescue efficiency is greatly improved.

The invention belongs to the technical field of bioengineering, and particularly relates to cross-linked carbonic anhydrase as well as a preparation method and application thereof. The preparation method of the cross-linked carbonic anhydrase comprises the following steps: S1, mixing a carbonic anhydrase solution with a precipitant, and carrying out precipitation reaction to obtain a first mixed solution; the precipitant is ethanol or acetonitrile; s2, adding a cross-linking agent into the first mixed solution, mixing, and carrying out a cross-linking reaction to obtain a second mixed solution; and S3, centrifuging the second mixed solution to obtain a precipitate, namely cross-linked carbonic anhydrase. The invention solves the problems of high cost and tedious steps in the carrier immobilized enzyme technology, and the problems of easy reduction of enzyme activity and instability of the enzyme aggregate in the preparation process of the enzyme aggregate; the cross-linked carbonic anhydrase can be applied to screening and development of carbonic anhydrase inhibitors, and active ingredients in a mixed system can be rapidly and accurately captured.

The invention belongs to the technical field of photocatalytic materials, and particularly relates to a polymer material for producing hydrogen peroxide through photocatalysis and a preparation method of the polymer material. The preparation method of the polymer material comprises the following steps: carrying out polymerization reaction on a pyridine aldehyde compound and a hydrazide compound with a structure as shown in a formula (1) in the presence of a catalyst and an organic solvent to obtain the polymer material, the pyridine aldehyde compound is selected from 2, 2 '-bipyridine-5, 5'-dicarboxaldehyde and / or 3, 3 '-bipyridine-6, 6'-dicarboxaldehyde. The key point of the invention is that the polymer material is obtained by carrying out polymerization reaction on the pyridine aldehyde compound and the hydrazide compound which have specific structures, and the polymer material has a specific bipyridine structure and a side chain contains an ether oxygen bond, so that the light absorption efficiency of the polymer material can be improved; the polymer material can generate more photon-generated carriers with photocatalytic H2O2 production activity under illumination excitation, so that the yield of photocatalytic H2O2 production can be remarkably improved. # imgabs0 #

The utility model provides a lotus leaf tea fragrance capturing device, which relates to the technical field of flower fragrance collection and comprises an equipment shell, a control device arranged on the front side of the equipment shell, a breather pipe arranged at the top of the equipment shell, a support frame arranged at the top of the equipment shell, a gas collection tank arranged at the top of the equipment shell, and a gas concentration detector arranged at the top of the gas collection tank. A rubber sealing ring is arranged at the bottom of the air collection tank, an air guide plate is arranged on one side of the equipment shell, a placement plate is arranged on one side of the equipment shell, and an air guide turbine disc is additionally arranged at the top of the equipment shell, so that the air flowing speed and flow can be increased through the additionally arranged air guide turbine disc during use; the device is simple in structure and convenient to use, rapid spreading and capturing of fragrance are facilitated, the fragrance is more evenly distributed in the device, capturing efficiency is improved, meanwhile, the contact area of the fragrance and a capturing medium is enlarged, the adsorption effect is enhanced, and therefore more stable airflow is provided, normal operation of the device is maintained, the collection process of the fragrance is accelerated, and collection time is shortened.

The invention discloses a matching method and system based on a 5G network, Beidou positioning and non-line-of-sight microwave, and relates to the technical field of target signal positioning, and the matching method comprises the steps: building a static and dynamic combined calibration data set through obtaining high-precision geographic position information and real-time signal intensity data, and carrying out the calibration of the calibration data set; and adaptive direction adjustment and rapid focusing of the antenna are supported, and efficient communication and accurate positioning in a complex scene are realized. The calibration matching model is trained based on the calibration data set, so that the precision and adaptability of the model under multiple geographical environments and non-line-of-sight conditions are improved, an efficient antenna positioning mechanism is provided, and the stability and real-time performance of a communication link are guaranteed; the method is particularly suitable for complex environments such as disaster rescue, accident personnel can be quickly and accurately positioned, and rescue efficiency and action reliability are remarkably improved.

The invention discloses a preparation method and application of an Au@AgNPs-Van / PDMS thin film SERS detection platform. First, an Au@AgNPs sol is prepared, then an Au@AgNPs-Van solution is synthesized, and finally an Au@AgNPs-Van / PDMS thin film SERS detection platform is constructed: a PDMS film is subjected to a hydrophilic treatment, the hydrophilic treated PDMS film is placed in 3-aminopropyl-trimethoxysilane, shaken and cultured overnight, washed with water and placed in an Au@AgNPs-Van solution, and reacted and taken out to obtain an Au@Ag NPs-Van / PDMS film. The invention realizes the application of the Au@AgNPs-Van / PDMS thin film SERS detection platform to the rapid capture, enrichment and SERS detection of foodborne pathogens in actual beef samples, and realizes the rapid capture, enrichment and detection of foodborne pathogens in a complex solution environment.

The utility model discloses a kind of wet dust removal devices for steel smelting stew slag smoke dust, including dust removal tower and wet electric dust collector, the inside of dust removal tower is spaced apart and is provided with multiple isolation ring plates, the inboard of isolation ring plate is fixed with water tank, the upper portion of water tank side wall is evenly distributed with multiple L-shaped ventilation pipes, the end of L-shaped ventilation pipe is stretched into the lower part of water tank downwards, the bottom of water tank is provided with drain pipe, the lower part of dust removal tower is provided with air inlet pipe, the end of air inlet pipe is bent downwards after being stretched into dust removal tower, the upper portion of dust removal tower is provided with center water pipe, multiple layers of spray pipes are spaced apart and are provided on center water pipe, the top of dust removal tower is communicated with wet electric dust collector by exhaust pipe. Above all, the utility model has the advantages of high dust removal efficiency, good dust removal effect, safety and environmental protection.

The utility model provides a battery device, a power utilization device and an energy storage device, and belongs to the technical field of batteries. The battery device comprises a battery monomer, a box body and a sensor, wherein the battery monomer comprises a first pressure relief structure; the box body comprises a frame, a second pressure relief structure, a first assembly and a second assembly; the second pressure relief structure is arranged on the frame, and the first assembly is connected with the frame and is opposite to the first pressure relief structure; the first assembly and the frame define a battery bin and an electrical bin which are arranged at an interval, the electrical bin is located on the side, close to the second pressure relief structure, of the battery bin, and the single batteries are located in the battery bin; the first assembly is provided with a first channel communicated with the battery compartment; the second assembly is arranged in the electrical bin and connected with the first assembly and the frame. The second assembly is provided with a second channel communicating with the first channel and the second pressure relief structure. The sensor is arranged in the second channel and used for collecting smoke information of the second channel. According to the invention, the sensitivity and accuracy of smoke monitoring can be improved.

The invention relates to a rapid detection method for cadmium residual quantity in aquatic products based on magnetic qualitative separation and polarized light distinguishing and quantifying. The method comprises the following steps: coupling a biotinylated cadmium monoclonal antibody through streptavidin magnetic microspheres, and specifically enriching trace cadmium in the aquatic product digestive juice to form a magnetic compound; a muller matrix microscope is used for collecting a polarization microscopic image of a compound, and a deep learning model (such as RESNET34) is combined to carry out binary classification and particle counting on the image, so that rapid and high-sensitivity quantitative detection of cadmium can be realized. The method is easy and convenient to operate, the target object magnetic separation time is within 2 min, the particle distinguishing accuracy rate is higher than 84%, the quantitative correlation Rreaches 0.9 or above, and the method is suitable for rapid monitoring of trace cadmium (several micrograms / L) in aquatic products.

The invention relates to a method and equipment for capturing a cold start long code signal of a satellite navigation receiver, and a medium. According to the method, for the three-dimensional search process of different satellites, carrier frequency and code phase confronted by long code signal capture, a minimized initial list of satellites to be captured is generated, the search space of different satellites is greatly compressed, and after receiver local time correction is carried out through the first satellite captured in the list, the time of the satellite to be captured is corrected. And residual satellite parallel acquisition is carried out, so that cold start time consumption of the receiver can be effectively reduced, and rapid acquisition of the cold start time length code signal of the receiver is realized.

The invention is applicable to the technical field of wastewater treatment, and particularly relates to a method and a system for treating nickel-containing wastewater by using a composite calcium-zinc-aluminum type metal oxide, the method comprises the following steps: obtaining nickel-containing wastewater of a secondary sedimentation tank, and adjusting the pH value of the nickel-containing wastewater of the secondary sedimentation tank to obtain intermediate wastewater; discharging the intermediate wastewater into a regeneration nickel removal tank, and adding a calcium-zinc-aluminum type metal oxide to obtain nickel-loaded calcium-zinc-aluminum type hydrotalcite precipitate; and recovering and drying the nickel-loaded calcium-zinc-aluminum hydrotalcite precipitate to obtain a nickel-loaded calcium-zinc-aluminum hydrotalcite product. According to the method for treating the nickel-containing wastewater by using the composite calcium-zinc-aluminum type metal oxide, the characteristics of large specific surface area and high adsorption performance of the composite calcium-zinc-aluminum type metal oxide are fully utilized, nickel ions in the wastewater are rapidly captured through physical adsorption, and meanwhile, the nickel ions are rapidly captured by using the composite calcium-zinc-aluminum type metal oxide. In the regeneration process, chemical bond combination is carried out on trapped nickel ions and calcium-zinc-aluminum hydrotalcite through chemical reaction to form nickel-loaded calcium-zinc-aluminum hydrotalcite, so that the reaction rate and the removal rate are improved.

The invention relates to the technical field of vehicles, and discloses an operation diagnosis method and system based on a vehicle end cabin controller and electronic equipment, and the method comprises the steps: calling a diagnosis service in response to a service request for a target diagnosis object, periodically monitoring the resource occupation condition of a process, and receiving an event notification triggered by the process in real time; when an event notification triggered by a process is received, reading key business data related to the notification event from the data pool to perform global judgment so as to determine an abnormal event and an abnormal level; executing resetting measures of corresponding levels according to different abnormal levels of the abnormal events; and according to a predefined information transmission rule in the target diagnosis object system, uploading the diagnosis data file at the occurrence moment of the abnormal event. According to the scheme, immediate disk storage of field fault data is realized, and powerful support is provided for subsequent fault analysis and processing.

The present invention provides an adjustable valve clamp and a valve clamp system, wherein the valve clamp system comprises an adjustable valve clamp and a pushing device. The adjustable valve clamp comprises a push rod, at least two clamp arms, and at least one extension arm, wherein the push rod axially moves to drive the clamp arm to open and close relative to the push rod, and drives the extension arm to extend or retract along the axial direction of the clamp arm. The present invention arranges a retractable extension arm on the surface of the clamp arm of the valve clamp, and when the clamp arm is opened relative to the push rod, the extension arm extends out of the clamp arm, which is equivalent to increasing the effective length of capturing the leaflet. The longer clamp arm can provide a better supporting effect on the leaflet when capturing the leaflet, and prevent the leaflet from slipping off the surface of the clamp arm; after clamping, the extension arm can be retracted again, and the excessively long clamp arm and the extension arm can prevent the leaflet from being excessively pulled by the leaflet, thereby quickly and safely capturing the active leaflet through the adjustable clamping effective length, reducing the difficulty of surgery and improving the efficiency of surgery.

The application discloses a cobalt-phosphorus-cobalt oxide composite electrode material and application thereof as an anode of a direct borohydride fuel cell. First, a conductive substrate is placed in an aqueous solution containing a cobalt source, ammonium fluoride and urea to perform a hydrothermal reaction; after being reduced to room temperature, the conductive substrate is repeatedly cleaned with deionized water, and then is placed in a solution containing sodium hypophosphite to perform immersion; finally, the conductive substrate is calcined at high temperature in a vacuum environment to obtain the cobalt-phosphorus-cobalt oxide loaded on the conductive substrate in situ. The electrode material preparation method provided by the application converts the original contact between a carrier gas and an electrode surface in a phosphorization process into the in-situ adhesion of a phosphorus solution on the electrode surface, realizes a uniform phosphorization process, is low in cost and easy to be industrialized, and the material can be used as an anode material of the direct borohydride fuel cell.

This invention relates to a method for preparing a potassium oxalate-potassium montmorillonite nanocomposite explosion suppressant powder (OA-MMT), belonging to the field of explosion suppressant preparation technology. The invention first uses montmorillonite, which has strong adsorption capacity and cation exchange performance, as a matrix. Montmorillonite is mixed with deionized water and stirred to obtain a montmorillonite suspension. Then, hydrochloric acid and potassium carbonate are added to the suspension, followed by acidification activation and potassium ion exchange modification to obtain potassium montmorillonite. Oxalic acid is then incorporated into the potassium montmorillonite matrix, and the mixture is treated with ultrasound, drying, and grinding to finally obtain a novel powder explosion suppressant with highly efficient physical and chemical synergistic explosion suppressing effects. The powder explosion suppressant prepared by this invention has advantages such as easy storage, good explosion-proof performance, and extremely strong adsorption capacity for explosion energy, and has broad application prospects.

The invention relates to a rapid clamping mechanism for space and an installation and use method. The clamping mechanism comprises a pressing handle, a grab handle, a first torsional spring, a first pin, a cam, a second pin, a third pin, a second torsional spring, a steel wire rope, a fourth pin, a pressing tongue and a grip, and the pressing handle and the grab handle are connected through the first torsional spring and the first pin; the cam and the pressing tongue are installed on the pressing handle through the second pin and the second torsional spring. The steel wire rope is installed on the cam and the pressing tongue through the second pin, the third pin and the fourth pin. And the grip is connected with the grab handle. According to the rapid clamping mechanism for the space and the mounting and using method, the requirements of astronauts for rapid capturing, rapid clamping and rapid unlocking of handrails of different specifications in the space are met, and the clamping mechanism is simple, reliable and easy to operate and has very high interface safety and operability.

The invention provides a reusable plastic package cleaning agent and application thereof. The reusable plastic package cleaning agent can provide larger oleophylic space and stripping force; the interfacial tension between oil and water systems is reduced, and the free energy under the interface action is reduced, so that an oil phase attached to the surface of a plastic material is more easily stripped out. The uncontrollability of multiple oleophylic contact points of the multi-branched-chain surfactant is inhibited by adjusting the proportional relation of the dosage of the single-branched-chain surfactant and the dosage of the multi-branched-chain surfactant, and synergistic compounding of different surfactants is achieved. Compared with a surfactant with a single long-chain structure, the compound surfactant has the advantages that the oil stain removal is quicker and more stable, so that the efficient cleaning effect is realized.

The invention discloses a mobile phone positioning system based on a base station signal, which comprises a background management module and a virtual base station module which is connected with the background management module and is responsible for simulating a mobile communication network broadcast induction signal of an operator and covering a target area to enable surrounding mobile phone terminals to detect the change of a position area; and the intelligent frequency sweeping configuration module is connected with the virtual base station module. The invention belongs to the technical field of mobile phone positioning, and the system simulates a mobile communication network of an operator to broadcast an induction signal, and automatically performs frequency sweeping and configures frequency point parameters according to a surrounding base station environment, so that a plurality of frequency points are concurrently transmitted at the same time to quickly capture a target, and real-time detection and accurate positioning of a surrounding target mobile phone terminal are realized; in addition, in-account and out-of-account mobile phones can be distinguished, so that the position information of the out-of-account mobile phone terminal is highlighted to ensure the information security, and the method can be widely applied to the private fields of aviation, government, armies, public security and the like.

The invention discloses a GNSS (Global Navigation Satellite System) signal satellite capturing and scheduling method and system. The capture scheduling unit is used for sequentially obtaining capture requests, obtaining to-be-captured satellite information from the capture requests, adding the to-be-captured satellite information into a capture scheduling linked list, extracting the to-be-captured satellite information from the capture scheduling linked list, and sequentially sending the to-be-captured satellite information to the capture kernel unit; the to-be-captured satellite information comprises a satellite number, a capturing mode, a trigger source, a judgment threshold and capturing times; the capture kernel unit is used for sequentially receiving the to-be-captured satellite information sent by the capture scheduling unit, performing priority division on the to-be-captured satellite information, and adding the to-be-captured satellite information into a capture kernel linked list of the corresponding priority according to the divided priority; and according to the priority of the capture kernel linked list, sequentially obtaining to-be-captured satellite information, calculating and starting capture, and judging whether the capture succeeds or not. The scheme provided by the invention can improve the operation stability of the receiver and reduce the power consumption.

This invention relates to the field of satellite communication mission planning technology, and proposes a laser communication link planning method and system that integrates illumination constraints to avoid misjudgments and missed judgments caused by ground background light entering the acquisition camera. This invention simulates the movement position of the acquisition camera, then combines satellite orbit and attitude data, and determines the direction of the acquisition camera's central optical axis and the ground projection range of the camera's field of view through coordinate system transformation. Based on the Earth-Sun motion and illumination constraints, it determines whether the image is affected by illumination, thereby determining a reasonable link plan. It provides a scanning range planning mode to predict a reasonable scanning range for the satellite acquisition camera, and a scanning time period planning mode to predict a reasonable scanning time period for the satellite acquisition camera, offering flexible application options for laser communication link planning and promoting rapid and accurate ground-transmitted beam acquisition in lunar space and even deeper space.

The present application relates to the field of powder coating, and proposes a matt powder coating capable of long-acting adsorption of environmental odor and a manufacturing method thereof.The matt powder coating capable of long-acting adsorption of environmental odor is composed of raw materials of the following components in mass percentage: epoxy resin 45-60%, polyester resin 15-20%, auxiliary agent 4.4-8.9%, barium sulfate 15-25%, molecular sieve 1.5-3%, diatomite 2-4%, silicon dioxide 0.3-0.8%, magnesium-aluminum hydrotalcite 0.5-1.5%, and photocatalyst powder 0.1-1.5%. Through the above technical solution, the problem of the powder coating in the related art without odor-eliminating function or with insufficient odor-eliminating function is solved.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

The invention belongs to the technical field of infrastructure site management and control and safety management, and provides an infrastructure site management and control method and device based on multi-source data fusion, and the technical scheme is that operation data of large-scale buildings such as an operation site, a transmission tower and the like are transmitted back, the site construction quality, site equipment and machinery monitoring is realized, and meanwhile, the safety of the large-scale buildings is guaranteed. Data information is analyzed when the two ends of the pole tower are subjected to unbalanced tension under the side sinking condition of the pole tower, the non-uniform sinking condition and the actual condition around the power transmission line are combined, and the inclination state and the local stress state of the pole tower are analyzed according to the inclination data monitored by the power transmission line pole tower inclination monitoring system on site. The method is advantaged in that an actual power system is guided to carry out timely and effective prediction and early warning on pole tower inclination, data support is provided for prevention of power transmission line pole tower collapse, an algorithm combined with deep learning inclination distance measurement is provided in combination with on-site monitoring images, pole tower inclination monitoring is further realized, and result reliability is improved.