243results about How to "System stability" patented technology

A power supply system capable of smoothing photovoltaic generation output, and enabling time shift is provided. A power supply system including a DC power supply string in which a storage battery is connected in parallel to a DC power supply; and a DC/AC power conversion device for connecting the DC power supply string to a power system or a load is provided. A switch is connected between the DC power supply and the storage battery, where an output power of the DC power supply or a combined output power of the DC power supply and the storage battery is switched and supplied to the DC/AC power conversion device by the switch. The photovoltaic generation output is thereby smoothed, and time shift is enabled.

Systems and methods of the present invention manage data flow of a computer and computer network in a secure domain. The system includes an administration module and a management module. The administration module assigns a security label to data within the secure domain, and establishes a set of schema based on the security labels associated with the data. The management module regulates data flow within the secure domain based on the set of schema.

The present disclosure relates to a number of inventions directed, generally, to the application of image processing techniques to traffic data acquisition using video images. The inventions reside in a traffic monitoring system, the basic function of which is for traffic data acquisition and incident detection. More specifically, the application of image processing techniques for the detection of vehicle, from sequence of video images, as well as the acquisition of traffic data and detection of traffic incident. In one aspect, the present invention provides a method of processing images received from a video based traffic monitoring system. In another aspect, the present invention is directed to a Region Of Interest (ROI) for detection of a moving vehicle and a further aspect is directed to a method of detecting day or night status in a traffic monitoring system. It's The application of various algorithms to a video based traffic monitoring system is also considered inventive. Other inventive aspects of the present traffic monitoring system are outlined in the claims.

A system and method for separating a mixture of audio signal into desired audio signals (430) (e.g., speech) and a noise sign (440) is disclosed. Microphones (310, 320) are positioned to receive the mixed audio signals, and an independent component analysis (ICA) processes (212) the sound mixture using stability constraints. The ICA process (508) uses predefined characteristics of the desired speech signal to identify and isolate a target sound signal (430). Filter coefficients are adapted with a learning rule and filter weight update dynamics are stabilized to assist convergence to a stable separated ICA signal result. The separated signals may be peripherally-processed to further reduce noise effects using post-processing (214) and pre-processing (220, 230) techniques and information. The proposed system is designed and easily adaptable for implementation on DSP units or CPUs in audio communication hardware environments.

The invention relates to a preparation method of an organic exhaust gas micro-emulsion absorption liquid, and a method for applying the micro-emulsion absorption liquid for cleaning industrial organic exhaust gas comprising benzene, toluene, xylene, and the like. The invention belongs to the technical field of atmosphere pollution control. The absorption liquid is prepared from the components of, by mass, 80-90% of water, 0.5-3% of a surfactant, 7-19.5% of a coupling agent, and 0.02-0.06% of an auxiliary agent. The surfactant is sufficiently mixed with water, such that a surfactant solution is obtained; the auxiliary agent is dissolved in water, such that an auxiliary agent solution is obtained; the two solutions are combined and uniformly mixed; and the coupling agent is added, and the obtained solution is stirred, such that the organic exhaust gas micro-emulsion absorption liquid is obtained. The organic exhaust gas micro-emulsion absorption liquid is suitable to be used for controlling exhaust gas containing benzene-series volatiles, and has the advantages of convenient raw material source, low cost, mild and stable property, low toxicity, environment-friendliness, no absorption tower corrosion or blocking phenomena, no severe influence to human health, high removal rate to organic exhaust gas, no need of pretreatment upon exhaust gas, and low investment and running cost. Saturated absorption liquid and absorbed organics can be recycled, such that waste can be turned useful.

The invention disclose a modified sand body, which is formed by the mixing of solution and sand, wherein the solution with cohesiveness and adhesion is formed by dissolving water-soluble solid state organic substance in water. According to the invention, after the water is evaporated, the water-soluble solid state organic substance can bond sand particles, and dissolve in water again to form the solution with the cohesiveness and the adhesion to bond the sand particles; the modified sand body allows a common sand body to be in 'pedogenesis', changes the interaction relation between sand body particles, and forms a particle pore structure with binding force (cohesive force); when the modified sand body is in the use process, the substance is difficult to run off due to the characteristics of the cohesiveness and the adhesion; the sand body is allowed to have same properties of stabilizing and storing moisture and nutrient as the properties of the soil, so as to be able to provide strong conditions for the growing of plants, and be an ideal measure for the governing of deserts; meanwhile, the modified sand body can also be taken as a means to utilize sand resources of a sand beach and the like to conduct plant planting.

The invention relates to a floating number plates discriminating method, which is based on the three-road parallel manmade nerve-net. The identify steps are that adopting the video burst mode to catch the video automatically for the collection of video pictures of the moving vehicle, character cutting the part of pictures of the number plates and then being the input signal of the nerve-net; said nerve-net adopts three standard self-adapt vibrate net each of which has its own work, the three nets are the Chinese characters identify net, the English characters identify net and the data identify net, all of which identify the inputted vector signals at one time, and outputs the most similar sort unity respectively, through controlling the property of the Territory value and the identify accurately according to the number plates and filter, at last add a color property of number plates as the output of the discriminating results. Adopting the method of the invention can identify the number plates of vehicle fast and accurately under the largest driving speed of the vehicles.

The invention discloses a paste type microcapsule flavoring rose essence and a preparation method thereof. The paste type microcapsule flavoring rose essence comprises the following components in percentage by weight: 5-25% of flavoring rose essence, 10-50% of beta-cyclodextrin, 0.1-2% of xanthan gum and the balance of deionized water. The preparation method comprises the following steps: uniformly dispersing the beta-cyclodextrin into the deionized water to form a beta-cyclodextrin turbid liquid; adding the xanthan gum into the obtained beta-cyclodextrin turbid liquid, and continuously stirring to ensure that the xanthan gum is dissolved and uniformly distributed; and then adding the flavoring rose essence, and continuously and uniformly stirring to obtain the paste type microcapsule flavoring rose essence. The prepared paste type microcapsule flavoring rose essence is stable in fragrance, keeps fragrance for a long time, and has the characteristics of high fragrance strength, high essence content and the like.

The invention provides a graphene-modified conductive silver paste and a preparation method thereof. The graphene-modified conductive silver paste mainly comprises silver nanowires, graphene materials, a binder and a solvent. The graphene materials comprise one or a combination of at least two materials selected from graphene, a graphene nanosheet, biomass graphene or graphene oxide. According to the technical scheme of the invention, the silver nanowires and the graphene materials are adopted together as an electrically conductive agent, and the silver nanowires are filled into gaps among graphene material sheet layers. Therefore, the graphene material sheet layers are connected in series through the silver nanowires, and the above two parts play a synergistic effect to realize the conductive performance. Meanwhile, the graphene materials are covered on the surfaces of the silver nanowires, so that the oxidation of the silver nanowires is avoided. The system stability and the stable exertion of the conductive performance are better ensured. Moreover, by means of the binder and other components, the adhesive force of the system is improved obviously. The printability of the conductive silver paste is improved.

The invention provides a fermented soymilk beverage. In terms of a total weight of 100 weight parts, the fermented soymilk beverage comprises the following raw materials: 3-10 parts by weight of soybean, 0.5-15 parts by weight of white granulated sugar, 3.0-9.0 parts by weight of reducing sugar, 0.21-0.65 parts by weight of a thickening agent and 0-0.20 parts by weight of an acidity regulator. The fermented soymilk beverage is prepared by soybean slurry grinding, batching, browning and fermentation. The thickening agent includes pectin, arabic gum and gellan gum, and is added after fermentation. The invention also provides a preparation method of the fermented soymilk beverage. The fermented soymilk beverage product system provided by the invention is uniform, and almost has no floating, precipitation or stratification phenomenon when it is placed at room temperature.

The invention belongs to the technical field of electrochemistry and particularly provides a copper-manganese aqueous secondary battery based on deposition/dissolution reaction on positive and negative poles. The battery system specifically comprises a negative current collector, a positive current collector, an aqueous electrolyte containing bivalent copper ions and bivalent manganese ions as well as a porous separator for separating the positive and negative poles. When the battery is charged, the bivalent manganese ions in a positive pole area lose electrons and are oxidized into solid manganese dioxide, solid manganese dioxide is deposited on the positive current collector, and the copper ions in a negative pole area gain electrons and are reduced into metal copper, and metal copper isdeposited on the negative current collector; during discharging, manganese dioxide on the positive pole gain the electrons and is reduced into bivalent manganese ions, the bivalent manganese ions aredissolved in the electrolyte, meanwhile, copper on the negative pole releases electrons and is oxidized into bivalent copper ions, and the bivalent copper ions are dissolved in the electrolyte. The battery has the advantages of ultrahigh power density, ultra-long cycle life, high safety and low toxicity, and can be widely applied to the fields of large energy storage and the like.

The invention discloses a stearic acid water-based dispersion which is prepared from stearic acid, dispersing agent, emulsifier, defoaming agent, preservative and water, and by the total weight percentage of the water-based stearic acid, the stearic acid water-based dispersion comprises the stearic acid 5-30%, the dispersing agent 0.1-0.5%, the emulsifier 0.1-0.7%, defoaming agent 0.05-0.5%, preservative 0.1-0.5%, and the balance water. The invention further discloses the preparation method of the stearic acid water-based dispersion. The stearic acid water-based dispersion is small in average particle diameter, low in viscosity, moreover the system is capable of maintaining stability for a long time, free of skinning and sedimentation, safe and environment-friendly, and ideal in lubricating effect, and the preparation method of the stearic acid water-based dispersion is simple in processing step, rapid and easy to operate, and the prepared stearic acid water-based dispersion is high in solid content.

The invention relates to a control method and system for the opening degree of an electronic expansion valve, and electrical equipment. The control method comprises the following steps: the opening degree of the electronic expansion valve is obtained according to compressor performances and required working conditions of operation; the electronic expansion valve is opened according to pre-opening degree, and a preset time is kept; when the preset time is reached, whether pre-opening degree adjusting conditions are met or not is judged, if the pre-opening degree adjusting conditions are met, adjustment and control are performed on the pre-opening degree of the electronic expansion valve according to preset rules until a pre-opening degree exit condition is met, and the electronic expansion valve is controlled for automatic adjustment; if the pre-opening degree adjusting conditions are not met, the electronic expansion valve is directly controlled for automatic adjustment. According to the method provided by the invention, in the starting of a machine set, the system is enabled to be stable as fast as possible, and unnecessary fluctuations are reduced, so as to enable the machine set to be transited into a stable state smoothly.

The invention discloses tobacco humectant and a preparing method thereof. The tobacco humectant is composed of, by weight, 1-5 parts of water soluble plant oil, 50-80 parts of polyhydric alcohol, 2-5 parts of polyethylene glycol, 2-5 parts of polydextrose, 2-5 parts of maltose, 3-7 parts of inositol and 5-25 parts of absolute ethyl alcohol. The tobacco humectant comprises the hydrophilic humectant polyhydric alcohol and the water soluble plant oil, the hydrophilic humectant absorbs moisture from damp air, the water soluble plant oil forms a protection membrane on the surface of cut tobacco, and the speed of the moisture loss is reduced. The hydrophilic humectant polyhydric alcohol and the water soluble plant oil form an even and stable system under a certain condition and fully play the roles of all components, and a good tobacco leaf moistening effect is achieved.

The invention discloses a passion fruit and blueberry juice drink and a preparation method thereof. The preparation method comprises the following steps: performing high-pressure treatment to obtain passion fruit pulp, performing enzymolysis to obtain blueberry juice, mixing the passion fruit pulp, the blueberry juice and momordica grosvenori juice in a ratio, adding pure water, homogenizing, filtering, collecting filtrate, canning, and performing ultra-high temperature instant sterilization to obtain the passion fruit and blueberry juice drink. The passion fruit and blueberry juice drink is palatable in sourness and sweetness, healthy and natural.

The invention relates to a preparation method for a lignin-based biological carbon/graphene composite nanometer material. The preparation method comprises the following steps: preparation of a lignin solution; preparation of a lignin/graphene oxide mixed solution; preparation of a lignin/graphene composite; and preparation of the lignin-based biological carbon/graphene composite nanometer material: a step of heating the lignin/graphene composite under the protection of inert gas, and carrying out carbonization at a constant temperature so as to obtain the lignin-based biological carbon/graphene composite nanometer material. Compared with the prior art, the preparation method provided by the invention has the following beneficial effects: 1, the biological carbon source used in the preparation method provided by the invention is lignin which has low cost, is widely available and renewable, has high carbon content, and is easy to form a composite nanometer material with high biological carbon content with graphene; 2, the production process is simple and facilitates large-scale industrial production; and 3, the biological carbon/graphene composite nanometer material has ultrahigh specific surface area and excellent electrical conductivity.

The invention discloses an inorganic-organic hybrid super-hydrophilic self-cleaning coating and a production method thereof. The inorganic-organic hybrid super-hydrophilic self-cleaning coating is prepared from the following raw materials in percentage by weight: 60-90% of a solvent, 5-20% of a compound binder, 3-10% of a curing agent and 1-10% of a functional material. By adopting an inorganic-organic hybrid process, the inorganic-organic hybrid super-hydrophilic self-cleaning coating which is excellent in various performances such as hydrophilicity, dust resistance, pollution prevention, mildew resistance, weather resistance and durability is prepared. The coating is coated on the surface of a base material to form a concave-convex film of a micro-nano structure, so that the surface of the base material obtains the functions of hydrophilicity, dust resistance, pollution prevention, self-cleaning property and the like. The coating disclosed by the invention is suitable for large-area construction, has the advantages of high film forming hardness, high self-cleaning property, good wear resistance and good durability, and can be applied to surfaces of building external walls, glass, tiles, marbles, artificial stones, plastic, aluminum sheets, displays, walls and the like.

The invention belongs to the technical field of liquid detergents, and particularly relates to an infant liquid detergent and a preparation method thereof. The infant liquid detergent comprises water, sodium laureth sulfate, polyoxyethylene cetyl stearyl diether, cocamidopropyl betaine, coconut fatty acid diacetyl amide, a sapindus mukurossi fruit extract, a folium artemisiae argyi extract, an argania spinosa kernel extract, enzyme, sodium chloride, ethylenediamine tetraacetic acid disodium and citric acid. The infant liquid detergent is capable of strongly removing stains, softening clothes and effectively killing bacteria, is free of injury to a hand, free of a residue and can rinse easily.

The invention relates to a long-acting mixed fluorocarbon surfactant treating agent for improving the condensate gas reservoir recovery efficiency and application of mixed fluorocarbon surfactant treating agent. The mixed fluorocarbon surfactant treating agent comprises the following components in parts by weight: 0.05-0.3% of nonionic fluorocarbon surfactant, 0.05-0.3% of zwitter-ion fluorocarbon surfactant, 0.05-0.3% of nonionic hydrocarbon surfactant, 5-30% of alcohol, and the balance of water. The mixed fluorocarbon surfactant treating agent is capable of forming a compact adsorption film on the rock surface to construct a good airflow channel, the gas phase permeability of a stratum is improved, the displacement efficiency of the gas drive is obviously improved, and the validity is long. The invention further provides the application of the mixed fluorocarbon surfactant treating agent, the mixed fluorocarbon surfactant treating agent is applied to the condensate gas reservoir, the water blocking is prevented, the recovery efficiency is improved, the injection amount injected into rock core or stratum is 0.2-0.4PV, and the gas drive recovery rate can be improved to 40-78% under different temperature.

The invention belongs to the technical field of windshield water, and particularly relates to environment-friendly automotive windshield water which is main prepared from the following raw materials in parts by weight: ethanol, ethylene glycol, glycerin, sodium carboxymethyl cellulose, polyacrylamide, acrylate, ionic liquid, dibutyl dithiocarbamate nickel, and the like. The environment-friendly car windshield water provided by the invention has no damage to automotive glass and organic membrane; components such as the sodium carboxymethyl cellulose and polyvinylpyrrolidone are added, so that rubber wiper blades have a function of mildew proofing and elasticity recovering, the service life of the wiper blades is effectively prolonged, and water can be wiped more thoroughly; sodium sulfate and urea are cooperated to quickly remove frost and snow on glass surfaces.

The invention discloses a method for preparing polyacrylic acid high-water-absorptivity resin microspheres by reversed phase suspension polymerization. According to the method, a comonomer, a dispersant, a crosslinking agent and an initiator used as main reactants are subjected to reversed phase suspension polymerization by using cyclohexane as a solvent to obtain the polyacrylic acid high-water-absorptivity resin microspheres, wherein the dispersant is selected from two or three of Span 80, Span 60, Span 40, hexadecyl phosphate and octadecyl phosphate. The method obviously enhances the stability of the reaction system, can implement one-step mass continuous preparation of the polyacrylic acid high-water-absorptivity resin microspheres, has the advantages of simple technique, no environmental pollution, low production cost and wide application range, and completely satisfies the industrialization requirements.

The invention discloses a production method and a production system for vanadium pentoxide. The production method comprises the following steps of breaking industrial ammonium vanadate filter cakes and then continuously adding the industrial ammonium vanadate filter cakes into drying equipment and drying by using high-temperature gas; enabling the dried ammonium vanadate to enter calcinating equipment for deaminizing oxidation to obtain mixer of powder vanadium pentoxide or vanadium oxide; and enabling the mixer of the powder vanadium pentoxide or vanadium oxide to enter melting equipment for melting and casting pieces to obtain flaky vanadium pentoxide. According to the production method, drying for dehydration, calcinating for deaminizing and melting and piece casing processes of ammonium polyvanadate or ammonium metavanadate are respectively operated in three sets of equipment; the temperature, the furnace charge stay time and oxidation supply atmosphere (hot air) can be effectively controlled according to different function phases of drying, deaminizing and oxidizing and optimal conditions, and thus each function phase is operated under the optimal condition and further stability, high quality and high yield are achieved. The production method can be used for producing flaky and powder vanadium pentoxide and the yield of metal vanadium is respectively greater than 99 percent.

An object of the present invention is to record or reproduce time-sequential data to/from recording media exemplified by hard disks at the transfer speed closer to that of the recording medium.

The invention provides a solid spray which is characterized by being composed of gellan gum, glycerinum, propylene glycol, xanthan gum, a calcium chloride solution, an anti-corrosion agent, natto gum, poly sodium glutamate and purified water. The solid spray is stable in a system and is good in a moisturizing effect.

The invention discloses a novel soil stabilizer, and belongs to the technical field of building materials. The soil stabilizer is prepared from following components by weight: 4-6 parts of common silicate cement, 25-35 parts of an adhesive, 15-25 parts of a fortifier, 4-8 parts of an early strength agent, 3-6 parts of a waterproof agent, 6-8 parts of a filler, 1-3 parts of a water reducer, 3-7 parts of a dispersant and 0.01-0.03 part of an air entraining agent. The soil stabilizer is characterized by a reasonable formula, a large depth of penetration (17 mm), high compressive strength (with unconfined compressive strength after 7 days being 12.23 MPa) and good waterproof performance (with the water absorption rate after water soaking for 7 days being 0.85%), and can be used for highways, railways, subways, and other projects.

The invention discloses a carboxylic acid biquaternary ammonium salt type sodium hydroxypropyl sulfonate asphalt emulsifier, the molecular structure of which is as shown in the specification. The product is prepared from raw materials including N-hydrogenated tallow-1,3-trimethylenediamine, an alcohols solvent, acrylic acid, chloropropylene oxide and sodium bisulfate at the molar ratio of 1 mol: (5.00-11.00) mol: (3.00-3.10) mol: (2.00-2.30) mol: (2.10-2.50) mol. The asphalt emulsifier of the invention has advantages as follows: production cost is low; the process is simple; and high-temperature reaction is not required.

The invention discloses a preparation method of a gelatin methacrylamide core-shell microsphere based on a microfluidics technique. A microfluidics chip mainly consists of a continuous phase inlet, ashell fluid inlet, a shell fluid inlet, a microsphere outlet, a continuous phase channel, a shell fluid channel, a shell fluid channel, a laminar flow channel and a main channel. The preparation method of the core-shell microsphere using the chip mainly comprises the following steps of synthesizing of a gelatin methacrylamide material, and preparation of the gelatin methacrylamide core-shell microsphere. The preparation method provided by the invention has the advantages that the laminar flow property and oil-water interface tension of the two-phase water solution are utilized, the core-shellliquid droplets are formed on the microfluidics chip in one step, the cured gelatin methacrylamide shell is formed by photo-chemical crosslinking, and the core is the water solution; the technique canbe applied to the biology application, such as construction of in-vivo microtissue models,angiogenesis, and transplanting of tissue blocks.

The invention discloses a brain-computer integrated intelligent control method and technology of an unmanned aerial vehicle. A brain-computer integrated system comprises a visual stimulation inductionmodule, a real-time picture back-transmission module, an electroencephalogram collecting device, multiple feature EEG processing modules, a brain-computer communication module, the unmanned aerial vehicle and an airborne single-chip computer module. No body gesture or language is needed by an experimental worker to achieve the control of multiple motions of the unmanned aerial vehicle. The EEG ofthe experimental worker is collected by using an electroencephalogram detecting device, electroencephalogram features comprise steady-state visual stimulation and imaging motions, and the steady-state visual stimulation and the imaging motions are switched by blinking eyes. The EEG is converted into a control instruction after preprocessing, feature extraction and classifying recognizing are conducted on the EEG in a processing module, the control instruction is transmitted to the airborne single-chip computer module of the unmanned aerial vehicle through a communication system, the flight situation of the unmanned aerial vehicle is observed by the experimental worker through a global camera, flight routes are planned autonomously, and the unmanned aerial vehicle is finally controlled tocomplete preset flight missions. By means of the multi-mode brain-computer integrated system, flexible control of the unmanned aerial vehicle by a brain is achieved, and the defects of existing unmanned aerial control manners are effectively compensated.

The invention relates to a preparation method of an algal polysaccharides toner, comprising the following steps of: putting cleaned grateloupia filicina into an oven for baking, pulverizing by a universal pulverizer, sieving; then adding double distilled water according to a solid-to-liquid ratio, putting into a water bath of 100 DEG C, staying for a period of time in the boiled water bath; centrifuging by a high-speed centrifuge, taking the supernatant, performing rotary evaporation by a rotary evaporator until the supernatant is 1/4 of the original volume, adding absolute ethyl alcohol, standing in a refrigerator of 4 DEG C; then centrifuging by the high-speed centrifuge again, taking the precipitate, adding a proper amount of water for dissolving, evaporating by the rotary evaporator to remove the ethyl alcohol to obtain the algal polysaccharides extracting solution; and stirring the algal polysaccharides extracting solution, double distilled water, rose essence and a preservative imidazolidinyl urea uniformly to obtain the natural algal polysaccharides toner. The algal polysaccharides toner has the advantages of simple process, easiness of control, stable system, no toxic side effect, efficacies of moistening, anti-wrinkling, whitening, diminishing inflammation, promoting tissue regeneration, resisting aging and the like, and broad market prospect.

A purpose of the invention is to research and develop a composite road flying dust wetting material with characteristics of convenient use, long effective action time and low cost. The invention provides a wetting type dust suppressant for road flying dust, and a preparation method thereof, and belongs to the field of road flying dust control. The wetting type dust suppressant is prepared from thefollowing raw material components in percentage by mass: 0.1-2% of sodium lactate, 0.1-6% of Span-80, 0.1-3% of glycerol, 0.1-5% of a binder, 0.5-5% of urea, 1-20% of CaCl2, 0.1-1% of a surfactant and the balance of water. According to the wetting type dust suppressant disclosed by the invention, the humectant, the moisture absorbent, the surfactant and the binder are combined, so that a certainwater content of a road surface is continuously kept, the road dust suppression effect is ensured, the material strength is high, and the action effect of the dust suppressant is improved.