2360results about How to "Easy to follow up" patented technology

The invention discloses composite hydrogel for adsorption of metal ions and a preparation method thereof. The hydrogel comprises, by weight, 5-95 parts of polyvinyl alcohol, 5-95 parts of chitosan, 0.1-20 parts of modified graphene oxide and 2-6 parts of sodium alginate, the weight ratio between the polyvinyl alcohol and the chitosan is (5: 95)-(95: 5), modified graphite oxide includes modified graphene oxide modified by dopamine and/or modified graphene oxide modified by ferroferric oxide, all components are uniformly mixed in a certain sequence, and the composite hydrogel is obtained under special conditions. The composite hydrogel for adsorption of the heavy metal ions and the preparation method thereof have the advantages that high speed, high efficiency, high adsorption capacity and high selectivity are achieved, the adsorption effect on the heavy metal ions is remarkable, meanwhile, the preparation process is simple, and the operability is high.

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.

The invention discloses a flash tracking imaging method for acquiring movement parameters of a moving target. The method utilizes a pulse laser as an illuminated light source and a CCD (Charge Coupled Device) provided with a strobing gate as an imaging device based on a range gating imaging technology and realizes the imaging of a movement trail of the moving target through the working mode of a time delay integral. By adopting the range gating, the range information of the target can be acquired, and the target can be extracted from a complex background, thereby reducing the complexity of post-treatment; and by adopting the time delay integral, the movement trail of the target can be directly acquired. The movement parameters of the target can be inverted through establishing a corresponding relation between a three-dimensional space and a bidimensional image plane of an interested zone of observation, wherein the movement parameters mainly comprise the space position, the speed and the acceleration of the target. The invention has favorable working environment adaptability, can directly acquire the 3D movement trail of the target and realize the non-contact measurement of the movement parameter of the target.

The invention discloses a sparingly soluble active component particle, a particle preparation and a preparation method thereof. The preparation method of the sparingly soluble active component particle comprises the following steps: dissolving sparingly soluble active component and ionic polymer into an alkaline solution or an acidic solution, and then mixing the alkaline solution and acidic solution to change the pH value of solutions so as to precipitate the sparingly soluble active component and ionic polymer from the mixed solution to form particles; and the performance of the sparingly soluble active component particle is improved. According to the preparation method, sparingly soluble active component and ionic polymer are co-precipitated, at the same time, a preparation technology is adopted, and two technologies are tightly combined to prepare the sparingly soluble active component particle preparation. The prepared preparation has the advantages of excellent dissolving-out characteristic, high bioavailability, small individual difference, good stability, and good content uniformity.

The invention discloses a rapid license-plate positioning method based on definition and luminance evaluation. The rapid license-plate positioning method includes the following steps: 1, carrying out definition evaluation based on noise and sharpness on an input image; 2, carrying out gradient sharpening processing if the definition is insufficient, and carrying out Gaussian fuzzy processing if the definition is excessively high; 3, converting the RGB image into a grey-scale image; 4, carrying out luminance evaluation on the grey-scale image; 5, carrying out illumination unification processing if the luminance is abnormal; 6, extracting the perpendicular edges in the image through a Scharr operator; 7, carrying out local self-adaption threshold processing; 8, filtering the noise through morphological processing, and fusing the perpendicular edges to form a communicated area; 9, carrying out area marking on the communicated area, carrying out screening according to the characteristics of Chinese license plates, and obtaining a license plate area.

The invention relates to a method of cleaning a boiler, in particular to a method of chemically cleaning a boiler, which comprises the following steps: caustic cleaning, acid cleaning, rinsing, passivating and liquid waste processing. The invention has the advantages that: 1. raw material adopted in the whole cleaning process has little toxic side effect and is environment-friendly. 2. Technological mistaken ideas on cleaning various prior boilers are overcome. 3. Sequential processing is easy according to cleaning solutions.

The invention discloses an automatic data matching method based on mobile terminal location information. In the method, the consumer can automatically find target businesses in specific areas. The system for realization of the method comprises a central server, a POS terminal and a mobile phone. The central server, the POS terminal and the mobile phone are connected through a mobile communication network. When the consumer enters the area with a registered mobile phone, the central server continuously track position changes of the consumer, automatically search information on POS machines of businesses in the area, and transmitting the information to the mobile phone of the customer, and the mobile phone serves as a shopping guide for the customer to automatically find nearby target businesses. An intelligent consumption guide system between the customer and the service provider can be constructed only with the existing equipment, thereby greatly reducing the system construction cost, and helping the customer to quickly find the ideal service provider. Due to the human design such as location positioning, automatic matching and the like, the invention is very suitable for rapid processing of large amounts of data.

This invention provides one car pad extraction method based on wavelet exchange complex background, which comprises the following steps: adopting rough positioning an accurate positioning; the fine positioning adopts wavelet to extract pad area high frequency information for brightness and color regression process to get one integral background and number color composed of identification number pad.

The invention provides a method for separating vanadium-titanium iron fine powder, which comprises the following steps that the vanadium-titanium iron fine powder is sufficiently reduced by a reducing agent under a condition of not less than 500 DEG C, and the reduced vanadium-titanium iron fine powder is grinded and graded; the graded vanadium-titanium iron fine powder is subjected to weak magnetic separation or medium strong magnetic separation, and the magnetic separation object is of high-purity reduced iron powder; the remainders which are subjected to the weak magnetic separation or medium strong magnetic separation are subjected to high-gradient strong magnetic separation; the high-gradient strong magnetic separation object is of titanium dioxide (rutile), and the remainders which are subjected to the high-gradient strong magnetic separation are of high-grade vanadium slag which can be used as raw materials to produce vanadium products; or the remainders which are subjected to the weak magnetic separation or medium strong magnetic separation can also be mixed, roasted and immersed with sodium carbonate, the immersing liquid is acidified by sulfur to produce khaki or read and yellow sedimentation; and the sedimentation is filtered and calcined to obtain vanadium pentoxide products. The method has the characteristics of completely, effectively and economically separating the vanadium-titanium iron fine powder into high-purity reduced iron powder, titanium dioxide and vanadium pentoxide, thereby providing a feasible way for comprehensive utilization of the vanadium-titanium iron fine powder.

The invention relates to preparation and an application of paint waste water treatment agents. The paint waste water treatment agents comprise viscosity reducing agent A and flocculants B, wherein the viscosity reducing agent A is aqueous solution, is formed by compounding organic bentonite, 6501 nonionic surface active agents and high-molecular polymers prepared from formaldehyde and three kinds of organic compounds: aniline, urea and starch through reaction, has high electric neutrality and can fast neutralize paint particle charges, so dope loses the viscosity. The flocculants B is aqueous solution, is formed by compounding sodium alginate aqueous solution, sodium lignosulphonate aqueous solution and chitosan modified cation polyacrylamide aqueous solution with the molecular weight being 8 to 12 million, has high coacervation effect and can gather paint particles losing the viscosity. The paint waste water treatment agents have good viscosity reduction and coacervation effects on water-soluble and fat-soluble dope. When the paint flocculants are applied to paint spraying waste water treatment, the agent A and the agent B are sequentially added into paint-containing circulating water, more than 90 percent of paint in the waste water can be cleaned.

The invention discloses a preparation method of fibrous nano silicon carbide. The preparation method is characterized by comprising the following steps: taking a carbon source and chrysotile asbestos of which the main chemical ingredient is silicon dioxide according to the molar ratio of carbon to silicon dioxide being (0.3-3):1; separately grinding the carbon source and chrysotile asbestos, evenly mixing to obtain a mixture; putting the mixture into a reaction device, vacuumizing, and continuously introducing argon in the reaction device; heating to 1350-2500 DEG C and carrying out thermal reaction for 0.2-6 hours; cooling to room temperature, stopping introduction of argon; collecting the reduction product, and grinding into fine powder which is the fibrous nano silicon carbide powder product. The preparation method has the advantages that raw materials are easily availably and equipment and technology are simple; moreover, the preparation method is friendly to environment and high in productivity. The prepared fibrous nano silicon carbide has good performances, can be widely applied to high-tech equipments such as nose cones of space shuttles, brakes of airplanes and racing bicycles, rocket nozzles, satellite antennas, guided missiles and the like, and also has broad use in nanometer microsystems.

The invention discloses a Fenton and air-float integral water disposal method, which comprises the following steps: adding Fenton agent into armed waste water; setting mass ratio of hydrogen dioxide solution of Fenton agent against COD of armed water at 0.3-3:1; reacting at 0.5-5 h; using alkality material to adjust Fenton agent armed water pH value at 6-10; proceeding floating treatment; setting air-float air-solid ratio at 0.03-0.06, surface loading at 7-15m3/m2.h and stopping time at 10-40 min; removing floating contaminant and most of dissolving organic contaminant.

The present invention relates to a water hyacinth rescure vessel flow line equipment, belonging to the field of environment protection technology. Said invention includes double-body vessel vessel-body, high-pressure water gun, telescopic crawler wheel, press-filtering cabin, fixed crawler wheel, storage cabin and drive cabin. Said invention also provides their connection mode and working mode. Said invented cutting mode is novel, does not wear cutting tool and can prevent serious secondary pollution, and can raise working efficiency by 30%-50%.

The invention discloses a phosphate-doping silicon carbon negative electrode material for a lithium ion battery. The phosphate-doping silicon carbon negative electrode material is formed by sinteringa phosphate-doping nanosilicon material, graphite and an organic carbon source after spray granulation. The invention also proposes a preparation method of the phosphate-doping silicon carbon negativeelectrode material for the lithium ion battery. The preparation method comprises the steps of uniformly dispersing the nanosilicon material in a phosphoric acid solution, and performing spraying anddrying to obtain the phosphate-doping nanosilicon material; performing primary sintering on the phosphate-doping nanosilicon material; and uniformly dispersing the phosphate-doping nanosilicon material subjected to primary sintering in water, adding the graphite and the organic carbon source, and performing spraying, drying and secondary sintering after complete dispersion. The preparation methodof the phosphate-doping silicon carbon negative electrode material for the lithium ion battery, proposed by the invention, has the advantages of simple process, low cost and convenient subsequent processing mode and is convenient to operate, the raw material is natural and available, mass production is easy, and the obtained negative electrode material is high in electron conductivity and small involume expansion.

The invention discloses a method for preparing polystyrene/conductive polymer composite hollow microspheres, which comprises the following steps of: adding aniline or pyrrole and acid or mixture thereof into polystyrene emulsion under the protection of inert gas, stirring the obtained mixture for at least 10 minutes, and then adding an initiator into the mixture to perform polymerization, whereinthe molar ratio of the aniline or the pyrrole to the acid is 0.2 to 0.8, the weight ratio of the aniline or the pyrrole to the polystyrene is 0.1 to 1.0, and the initiator is ammonium persulfate, potassium persulfate, iron trichloride or ferrous sulfate heptahydrate/ hydrogen peroxide. Different from the traditional method for preparing the hollow polymer microspheres, the method does not need high-temperature calcination or solvent denucleation treatment and can prepare the polymer composite hollow microspheres by one step, and the microspheres have good appearance and monodispersity. The method is simple, has a few operation steps, and is easy for subsequent treatment; and because the used solvent is a green solvent, the method is safe and reliable, and has low cost.

The invention relates to a construction method of a public health emergent event domain knowledge base. The method comprises the following steps: analyzing each domain involved by a public health emergent event life cycle, and searching a related document to obtain a corpus; constructing an event frame by extracting attribute information in a sentence; processing text information to form a standard information markup system; taking the obtained attribute information as a seed attribute, designing a seed mode, and selecting new matching related information depending on the seed information to obtain more attribute information; constructing a public health emergent event domain body by using the attribute information. The public health emergent event domain knowledge base constructed by the construction method of the domain knowledge base is more accurate and complete, simple and efficient, a new emergency plan is favorably generated and executed, a standard reference is provided for emergency treatment of emergent events, the emergency treatment efficiency can also be improved, and a reference is provided for next scientific research.

The invention provides a preparation method of highly dispersed micron order flake silver powder with a large radius-thickness ratio. The type of silver powder is prepared by performing reaction on a silver salt solution (as an auxiliary shape adjustor) comprising a surfactant, an ascorbic acid solution (as a reducer) and an acidic solution (as a primary shape adjustor) by taking water as a solution. By adjusting the reaction parameters, highly dispersed micron order flake silver powder with large radius-thickness ratio and the content of 80% or above is obtained in one step. According to the preparation method provided by the invention, the operation is simple, the reaction condition is mild the cost is low, the output of silver powder is high and the repeatability is good, a conventional ball-milling step is cut out, and the preparation method is suitable forscale production and can be used in the fields of conductive slurry, electric contact materials, conductive adhesives and the like.