47results about How to "Has practical promotion value" patented technology

The invention discloses a steel bar detection method based on a deep convolutional neural network. The method comprises the following steps: 1) data acquisition; 2) data processing; 3) constructing and training of a model; 4) model evaluation; 5) model deployment. The target detection algorithm based on the deep convolutional neural network is applied to reinforcing steel bar detection and counting, and a multi-scale and deformation-tolerant reinforcing steel bar detection network framework is provided. Cascade R-CNN with good detection performance, a feature pyramid network capable of effectively solving the multi-scale detection problem, a more stable group normalization module, and a deformable convolution module capable of improving the spatial geometric deformation capacity of network learning and other modules are integrated in the frame. Compared with a traditional steel bar detection method, the network framework is higher in detection precision and better in generalization, and can be deployed in a remote server or a mobile device.

The invention discloses a preparation method of sulfenyl-sulfydryl modified biochar and modified biochar. The preparation method comprises the following steps: (1) preprocessing biochar; (2) preparing a sulfenyl modified solution; (3) preparing sulfydryl modified biochar; (4) preparing sulfenyl-sulfydryl modified biochar. The raw materials of the sulfenyl-sulfydryl modified biochar are sold in the market, low in price, and free from heavy metal, so that secondary pollution is avoided; in addition, the preparation process is simple, and mass production and application apply; the specific surface area of the biochar is large; cadmium is thiophile; the exchangeable cadmium in the soil plays absorbing, complexing and coprecipitating effects on the biochar, so that the available cadmium in the soil can be obviously curved; the content of organic matters in the soil can be increased; the soil fertility can be improved when the content of the organic matter in the soil is increased; moreover, metal ions can reduce the effectiveness of the heavy metal which is cadmium through the complexing effect.

The invention discloses a method for preparing heavy metal cadmium stabilizer sulfenyl-ferrous composite modified charcoal and sulfenyl-ferrous composite modified charcoal prepared with the method. The method comprises the following steps: (1) preparing charcoal; (2) preparing a sulfenyl modification solution; (3) preparing a sulfenyl charcoal precursor; (4) preparing the sulfenyl-ferrous composite modified charcoal. The sulfenyl-ferrous composite modified charcoal prepared with the method is not only low in price and good in environmental-friendliness, but also simple in preparation process and easy in large-scale production and application; meanwhile, the content of organic matters in soil is remarkably increased, and the soil fertility is improved; relatively good adsorption, complexing and coprecipitation functions on exchangeable cadmium in soil are achieved, and effective cadmium in the soil can be remarkably immobilized.

The invention discloses a pervasive mobile computing frame based on state middleware. The pervasive mobile computing frame comprises a physical layer, a state server layer and an intelligent service layer. A state server realizes information exchange within a system, and defines the standard for interfaces of the upper layer intelligent service and lower layer physical equipment. A sensor device acquires physical environment information, and updates the information in fixed format on a real-time basis to the state server layer. The state server updates the signals acquired by the physical equipment and provides access interface for the information to the intelligent server layer. The intelligent service layer comprises a plurality of intelligent businesses, requires data from the state server according to the business requirements, and completes intelligent business service . For different state server layers the sensor layer and the intelligent service layer only need to follow specific interfaces. The actual physical equipment or intelligent service types could be any form. Different assemblies of the system can be called through RESTful API. The pervasive mobile computing frame is worth of promoting in actual use.

The invention provides a virtual reality (VR) mine fully mechanized mining face remote tour inspection intervention method. The remote tour inspection intervention method comprises the following steps: constructing virtual software by utilizing data which is returned by fully mechanized mining face equipment in real time and geophysical exploration data; driving a virtual fully mechanized mining face by real-time data and representing in a fully mechanized VR tracking and interaction center constructed by various types of virtual reality hardware and software; carrying out virtual operation byutilizing various virtual reality man-machine interaction means and a virtual man-machine interaction interface; capturing positions, postures and actions of an operator through the virtual reality hardware and software; converting the virtual operation into a reality instruction and accessing into a centralized control center to operate reality equipment; guiding equipment of corresponding operation to finish adjustment work, so as to finish remote manual intervention and manual tour inspection tasks; carrying out real representation on real-time operation working conditions of the real fully mechanized mining face so as to carry out monitoring. According to the method provided by the invention, equipment, which is not operated normally, is directly subjected to the remote manual intervention in a safe place far away from a production site, and people can cooperatively and simultaneously do tour inspection work.

The invention relates to the field of nonwoven fabric materials for automotive interiors, particularly a sound-absorption sound-insulation needle-punched nonwoven fabric for car trunk carpets and wheel cowl carpets and a preparation method thereof. The nonwoven fabric comprises a surface fabric and a base fabric, wherein the base fabric comprises a first base fabric and a second base fabric; the first base fabric and second base fabric are respectively prepared by mixing 30-40 parts by mass of polyester fibers with the titer of 1.5-8D, 25-35 parts by mass of waste cotton fibers, 15-20 parts by mass of polypropylene fibers and 15-20 parts by mass of low-melting-point fibers; the first base fabric is compounded with the second base fabric by needle punching; and the needle punching density is 300-500 needles / cm<2>. Compared with the prior art, the thin natural fibers are added to increase the surface density of the nonwoven fabric and reduce the porosity in the nonwoven fabric; and needled felt pieces with different densities and thicknesses are subjected to needling compounding and heat bonding to form the multilayer composite material, thereby obstructing the outside noise while absorbing the interior noise and improving the internal environment more effectively.

The invention discloses a preparation method of a medical polyurethane adhesive with controllable curing duration, which comprises the following steps: 1) feeding diisocyanate and polyethylene glycol according to a molar ratio of 2: 1 for reaction to obtain an isocyanate-terminated precursor; 2) adding a certain amount of a hydroxyl-terminated chain extender into the precursor obtained in the step 1) according to an R value (the number of-NCO functional groups in the system: the number of -OH functional groups in the system) = 1.1-1.9; and 3) removing the solvent in the product obtained in the step 2) by using a rotary evaporator to finally obtain the isocyanate-terminated medical polyurethane adhesive, and storing the isocyanate-terminated medical polyurethane adhesive in a dry environment for later use. The prepared medical polyurethane adhesive is controllable in curing time, adjustable in modulus, good in biocompatibility, high in adhesion performance and suitable for repairing of different human body soft tissues and hard tissues.

The invention provides a full-field non-contact building curtain wall wind pressure deformation monitoring method. The method comprises the steps that (1) random speckle marking is performed on the surface of a building curtain wall, and an air pressure control device is connected to the surface of the building curtain wall; (2) two industrial digital cameras are erected to perform digital specklepattern imaging on the surface of the curtain wall; (3) the air pressure control device is started to pressurize the curtain wall step by step, and meanwhile digital speckle images of the surface ofthe curtain wall are recorded; and (4) a three-dimensional digital image correlation matching algorithm is utilized to perform correlation matching on the collected digital image sequence, and full-field displacement information of the surface of the building curtain wall under the action of a wind load is calculated. According to the method, by means of recording the digital images, the full-field deformation information of the surface of the building curtain wall can be quantitatively acquired through non-contact measurement, the limitation of a traditional displacement meter measurement method is overcome, deformation monitoring of the building curtain wall is simpler and more flexible, the applicable spatial range is wider, precision and stability are higher, and actual popularizationis easy.

The invention discloses a variable-rate feathering shutdown control method for a wind turbine generator set. According to the method, a Beidou positioning system is mainly utilized to monitor the posture of the generator set in real time, the displacement of the engine room movement is acquired in real time, the state of the load borne by the generator set is estimated according to the displacement condition of an engine room, and then the impact load of a tower can be effectively reduced during the shutdown of the generator set through variable-rate feathering shutdown control strategies under different displacements according to the analyzed load condition, so that the generator set is enabled to carry out more stably feathering shutdown, the service life of the generator set is prolonged, and the variable-rate feathering shutdown control method has practical popularization value and is worthy of popularization.

The invention provides a preparation method of high-performance biomass carbon for Cd fixing. The preparation method comprises the following steps: (1) pretreatment of rape straws: cleaning the rape straws, drying and crushing to obtain rape straw powder for later use; (2) high-temperature anaerobic carbonization of the rape straws: preparing the rape straw powder into biomass carbon under high temperature anaerobic conditions, and cooling, grinding and sieving for later use; (3) Cd fixing by the rape straw biomass carbon: fully and uniformly mixing the prepared rape straw biomass carbon, a solution containing Cd and soil. The preparation method provided by the invention has the benefits that the rape straws are raw materials to realize the reduction and the resource utilization of the rape straws; the prepared sulfur-containing biomass carbon has stronger adsorption property to the high-concentration Cd in the solution; the prepared sulfur-containing biomass carbon can form stable sulfide with the Cd so as to reduce the bioavailability of the Cd in the soil; any chemical reagent is not required to be added during the preparation, and the preparation cost is low, therefore, the high-performance solid Cd biomass carbon has practical popularization values.

The invention relates to a detection method of surface strain and displacement of a marine anticorrosive coating. The detection method comprises the following steps that speckle particles are marked on the surface of a specimen to be detected, and the specimen is placed in a seawater corrosion device; two industrial imaging devices are placed in the normal plane of a component; the corrosion device is started, and the industrial imaging devices are started to collect digital speckle images on the coating surface; the collected digital images are used as input data for correlation matching calculation, and quantitative deformation data of the coating images in two cameras under the action of seawater corrosion are obtained; and a demarcating plate is placed in the device to demarcate an imaging system, and the three-dimensional shape and accurate deformation information of coating surface deformation are obtained based on the deformation data in the two cameras. According to the detection method of the surface strain and displacement of the marine anticorrosive coating, accuracy is high, and the cost is saved; and the deformation information, caused by corrosion of the anticorrosivecoating under a marine environment caused can be obtained through the method, and the accurate and reliable data are provided for a study on mechanical properties of the marine anticorrosive coating.

In the method, following instruments and parameters are adopted: 'Daojin' LC-3A high performance liquid chromatograph, UVD-2 ultraviolet detector, wavelength 254nm, GPC-801 chromatographic column with inner diameter 8.0mm and length 300mm, tetrahydrofuran mobile phase, velocity of flow 0.8-0.9ml / min, column temperature 15-22 deg.C. Analysis is carried out for solution of 100 ml. in density 0.001-0.070 prepared from sample of esters compound of terephthalic acid. The invention solves qualitative analysis and quantitative analysis for dimethyl terephthalate, its esters compound, intermediate product and dimer product, possessing features of convenient operation, easy of repetition.

The invention discloses a preparation device and a preparation method for a one-dimension photonic crystal band-stop filter. The preparation device comprises a laser light source, a light beam expansion unit, a first reflection mirror and a second reflection mirror, wherein the included angle between the first reflection mirror and the horizontal plane is 44 to 46 DEG C, a red-sensitive photopolymer holographic plate to be treated is placed on the second reflection mirror, incidence light emitted out by the laser light source forms parallel beam expansion light after passing through the light beam expansion unit, the beam expansion light is directly emitted onto the holographic plate through being reflected by the first reflection mirror, the transmitted beam expansion beam is vertically emitted onto the second reflection mirror, the parallel reflection light reflected by the second reflection mirror and the directly emitted beam expansion light form two beams of coherence light in opposite directions inside the holographic plate, and the holographic plate is exposed. The preparation device has the advantages that a light path is simple, the cost is low, in addition, only the single beam light is adopted to be vertically emitted onto the ed-sensitive photopolymer holographic plate, and then, the second reflection mirror is utilized, so two beams of coherence light: the upper beam of coherence light and the lower beam of coherence light are formed inside the holographic plate, and the operation is very convenient.

A fluidized arch-breaking apparatus is composed of an ash hopper, control instrument, high-speed pulse electromagnetic valve, the fluidizing air tube with one end connected to said electromagnetic valve and control instrument, and ash unloading unit installed to high end of said ash hopper.

The invention discloses a method for treating acid mine wastewater based on engineering barrier multistage sequential resistance control. The method specifically comprises the steps: dividing an acidmine wastewater treatment site into six sections, namely a first neutralization reaction section, a first original stratum section, a second neutralization reaction section, a second original stratumsection, a metal ion adsorption section and a final monitoring section, along the wastewater flowing direction; digging a groove body a in the first neutralization reaction section, digging a groove body b in the second neutralization reaction section, and digging a groove body c in the metal ion adsorption section; filling the groove body a with a reinforcement cage filled with backfill soil A; filling the groove body b with a reinforcement cage filled with backfill soil B; and filling the groove body c with backfill soil C. The method is simple and feasible on the whole, can neutralize acidmine wastewater and effectively remove various heavy metal ions in the acid mine wastewater, is low in maintenance cost, has generalizability in actual engineering, and has important engineering significance and theoretical research value.

The invention provides a virtual reality (VR) mine fully mechanized mining face remote tour inspection intervention method. The remote tour inspection intervention method comprises the following steps: constructing virtual software by utilizing data which is returned by fully mechanized mining face equipment in real time and geophysical exploration data; driving a virtual fully mechanized mining face by real-time data and representing in a fully mechanized VR tracking and interaction center constructed by various types of virtual reality hardware and software; carrying out virtual operation byutilizing various virtual reality man-machine interaction means and a virtual man-machine interaction interface; capturing positions, postures and actions of an operator through the virtual reality hardware and software; converting the virtual operation into a reality instruction and accessing into a centralized control center to operate reality equipment; guiding equipment of corresponding operation to finish adjustment work, so as to finish remote manual intervention and manual tour inspection tasks; carrying out real representation on real-time operation working conditions of the real fully mechanized mining face so as to carry out monitoring. According to the method provided by the invention, equipment, which is not operated normally, is directly subjected to the remote manual intervention in a safe place far away from a production site, and people can cooperatively and simultaneously do tour inspection work.

The invention discloses a gel filtration chromatography analysis method of hydrophilic polymer used for an untreated positive-image plate. The method includes: subjecting the standard polymer of the hydrophilic polymer to gel filtration chromatography analysis, establishing a standard curve, determining an equation of the standard curve, and subjecting a hydrophilic polymer sample to gel filtration chromatography analysis. The method is easy to operate and prone to repetition, and effectively overcomes quantitative analysis of the hydrophilic polymer and oligomer products.

The invention provides a method for reducing the alkalinity of red mud by utilizing industrial wastes. The method comprises the following steps of (1) mixing filtered ammonia-nitrogen wastewater and the red mud, and then stirring to obtain a red mud slurry, wherein the mass ratio of the ammonia-nitrogen wastewater to the red mud is 2 to 4:1; (2) carrying out sedimentation and solid-liquid separation on the red mud slurry obtained in the step (1) to obtain a filter liquor and a filter residue; and (3) adding crushed phosphogypsum into the filter residue obtained in the step (3), then adding water, and cultivating at the room temperature so as to obtain the low-alkalinity red mud, wherein the mass ratio of the phosphogypsum to the filter residue is 1 to 5:100. The method provided by the invention has the characteristics of simplicity in process and low cost; and the Bayer process red mud can be treated in a large scale, the treated red mud can be recycled, the storage yard plants are reconstructed, and favorable social benefit and economic benefit are produced.

The invention provides a Z-axis falling prevention control device of a gantry three-dimensional printer. Through a switching power supply, an external power supply is connected to a power module and split into three ways, the first way is to provide power for a motor brake through a relay, the second way is to supply power to an Z-axis motor of the gantry three-dimensional printer through an unidirectional conductive device, the third way is split into two sub-ways through a unidirectional conductive device, one sub-way is connected with a storage battery, and the other sub-way supplies powerto the Z-axis motor through another relay and a unidirectional conductive device. The delayed power supply time of the relays is greater than the outage brake close delay time of the Z-axis motor andis greater than the electrification self-locking delay time of the Z-axis motor. According to the Z-axis falling prevention control device of the gantry three-dimensional printer, the stable state ofa Z-axis cross beam can be kept when the gantry three-dimensional printer is started, stopped and suddenly disconnected from the power supply, and printed products and the printer are prevented from being damaged.

The invention discloses a method for repairing cadmium-contaminated soil through rice by means of water management and application. The method comprises the steps of 1, determining the time for the beginning of water management; 2, taking specific measures for water management. According to the method, the content of Cd at the overground parts of rice and rice grains is increased, and thus the effect of repairing the cadmium-contaminated soil is achieved. Due to water management, the redox potential of the soil changes, and thus the movability and bio-availability of Cd in the soil can be lowered. In the meanwhile, the water management cost is low, the operation is simple, batch treatment is easy to achieve, and large-scale application and popularization are facilitated.

The invention discloses a street lamp controller and relates to the electrical equipment control technology field. The controller comprises a main control module, a slave control module, an upper computer, serial communication, a power supply, 485 communication, a lighting circuit and driving amplification circuit module. The power supply is connected to the main control module and the slave control module. The upper computer is connected to the main control module through the serial communication. The slave control module is connected to the main control module through the 485 communication. The lighting circuit and a driving amplification circuit are peripheral circuits of the slave control module and are connected to the slave control module respectively. By using the street lamp controller of the invention, through brightness detection to an environment, on and off of a street lamp are controlled so that a light-operated purpose is realized; a lot of electric energy is saved and an effect of energy saving and environmental protection is achieved.

The invention discloses a preparation device and a preparation method for a one-dimension photonic crystal band-stop filter. The preparation device comprises a laser light source, a light beam expansion unit, a first reflection mirror and a second reflection mirror, wherein the included angle between the first reflection mirror and the horizontal plane is 44 to 46 DEG C, a red-sensitive photopolymer holographic plate to be treated is placed on the second reflection mirror, incidence light emitted out by the laser light source forms parallel beam expansion light after passing through the light beam expansion unit, the beam expansion light is directly emitted onto the holographic plate through being reflected by the first reflection mirror, the transmitted beam expansion beam is vertically emitted onto the second reflection mirror, the parallel reflection light reflected by the second reflection mirror and the directly emitted beam expansion light form two beams of coherence light in opposite directions inside the holographic plate, and the holographic plate is exposed. The preparation device has the advantages that a light path is simple, the cost is low, in addition, only the single beam light is adopted to be vertically emitted onto the ed-sensitive photopolymer holographic plate, and then, the second reflection mirror is utilized, so two beams of coherence light: the upper beam of coherence light and the lower beam of coherence light are formed inside the holographic plate, and the operation is very convenient.

The invention discloses a blood cell analysis dye synthesizing method. The blood cell analysis dye synthesizing method comprises the steps of synthesizing 2, 3-dimethyl-benzothiazole methyl sulfate and N, N'-dimethyl formamidine to obtain a first intermediate product; synthesizing 1-octanol and trifluoromethane sulfonic anhydride to obtain a second intermediate product; synthesizing the second intermediate product and 4-methyl-quinolin to obtain a third intermediate product; synthesizing the first intermediate product and the third intermediate product to obtain an end product. Therefore, the blood cell analysis dye synthesizing method is low in toxic and side effects, simple in raw material acquisition and structure, low in damage to synthesizing personnel and cost and short in synthetic route and can synthesize target molecules only through four steps of reaction, thereby being high in yield rate, rapid in synthesizing, excellent in purity, cost-saving, easy to industrialized and applicable to practical popularization.

The invention is suitable for the field of activation of soil remaining phosphorus, and provides a method for rapidly improving the activity of soil remaining phosphorus by applying sulfide, which comprises the following steps: (1) a treatment method of test soil; (2) controlling the input amount of sulfide and the culture time; and (3) specific measures of soil culture. According to the method, a mode of externally adding sulfide is adopted, the sulfide reacts with iron oxide combined with P in the soil, P is released, inorganic phosphorus components in the soil are changed, insoluble phosphate Fe-P is promoted to be converted into components Sol-P and Al-P with higher effectiveness, and the content of rapidly available phosphorus in the soil is increased, so that the activity of phosphorus left in the soil is improved; inorganic sulfide which can be purchased on the market is used as a conditioning tool and is easy to obtain and simple to operate, and meanwhile, the soil sulfur nutrient is supplemented; in addition, no fertilizer is needed in the implementation process, and the method is low in cost and easy to accept and has actual popularization value.

The invention discloses a method for preparing heavy metal cadmium stabilizer sulfenyl-ferrous composite modified charcoal and sulfenyl-ferrous composite modified charcoal prepared with the method. The method comprises the following steps: (1) preparing charcoal; (2) preparing a sulfenyl modification solution; (3) preparing a sulfenyl charcoal precursor; (4) preparing the sulfenyl-ferrous composite modified charcoal. The sulfenyl-ferrous composite modified charcoal prepared with the method is not only low in price and good in environmental-friendliness, but also simple in preparation process and easy in large-scale production and application; meanwhile, the content of organic matters in soil is remarkably increased, and the soil fertility is improved; relatively good adsorption, complexing and coprecipitation functions on exchangeable cadmium in soil are achieved, and effective cadmium in the soil can be remarkably immobilized.

The invention provides antrodia cinnamomea mycelium powder with high selenium and triterpenoid content and a preparation method thereof. Potato starch, a malt extract, soybean protein powder, sucrose,glucose, soybean meal, oatmeal, potassium dihydrogen phosphate, magnesium sulfate, vitamin B1 and organic selenium are adopted to prepare into a liquid medium; antrodia cinnamomea strains are added in the liquid medium after sterilization and cooling; cinnamomum kanehirae essential oil and monoterpenoids are diluted with sterile water, filtered through a bacterial filter membrane, poured with a proper amount and multiply added every 5 days; performing culture for 2-3 weeks at 25 DEG C, with the oscillation rate of 150 times / min and under high oxygen conditions; and the antrodia cinnamomea mycelium powder with high selenium and triterpenoid content is obtained after filtering and drying. The antrodia cinnamomea mycelium powder produced by adopting the technology is high in selenium and triterpenoid content, low in production cost and high in yield; the organic selenium is stable and effective; and obtained products are high in nutrients, safe, reliable and suitable for industrial production.

The invention discloses a steel bar detection method based on a deep convolutional neural network, comprising steps: 1) data acquisition; 2) data processing; 3) model construction and training; 4) model evaluation; 5) model deployment. The present invention applies a target detection algorithm based on a deep convolutional neural network to steel bar detection and counting, and proposes a multi-scale and deformation-tolerant steel bar detection network framework. The framework integrates cascaded R-CNN with better detection performance, feature pyramid network that can effectively solve multi-scale detection problems, more stable group normalization, and deformable convolution that can improve the network's ability to learn spatial geometric deformation, etc. module. Compared with traditional steel bar detection methods, the network framework has higher detection accuracy and better generalization, and can be deployed on remote servers or mobile devices.

The invention discloses an energy storage power generation system of a wind power generator set and an energy dispatching method of the energy storage power generation system. The energy storage powergeneration system comprises an energy storage unit, a battery management unit, an energy storage bidirectional converter, a boost transformer and an energy management unit, wherein the energy storageunit is used for storing or releasing electric energy, the battery management unit is used for detecting and protecting a battery module in the energy storage unit, the energy storage bidirectional converter is used for converting an alternating current of a power grid to a direct current so as to charge a battery or converting the direct current discharged from the battery to the alternating current sent back to the power grid, the boost transformer is used for connecting the energy storage bidirectional converter and the power grid and rising an output voltage of the energy storage bidirectional converter to a power grid voltage, and the energy management unit is used for sending a control signal to the energy storage bidirectional converter and a master controller of the wind power generator set to do real-time control according to real-time data of the master controller of the wind power generator set, the energy storage unit, the energy storage bidirectional converter and a powergrid dispatching instruction and wind power forecast information of a power forecast system. By the energy storage power generation system, the optimal charge-discharge rate of the energy storage system can be made, the utilization efficiency of the energy storage system is improved, and moreover, the energy storage system is high in control efficiency and rapid in response speed.