46results about How to "Feasibility" patented technology

A twine capacity chromatographic imaging method of two-phase fluid includes using metal core in insulation line as one electrode of said capacity and forming another electrode of it by conductive phase in two-phase fluid and contact surface of twine, using insulation layer at surface layer as insulator between electrodes and confirming its capacity value, using motor to drive transducer in insertion twine capacity type to carry out high speed scan on two-phase fluid in pipeline to obtain projection information of two-phase fluid at various directions on cross section of pipeline for having real time flowing image of said fluid.

This invention discloses biphase current mesh capacitor tomography. The one pole of the insert mesh capacitor is a metal core in the insulation wire and the other pole is formed by the contact surface of conduct phase and mesh or wet surface in the biphase current and its surface insulation layer serves as dielectric between electrodes and identifies the capacitor value. The insert mesh capacitor sensor high-speed scan the biphase current in the pipe driven by electric or self rotation apparatus and gets the project information to different directions on the pipe section of biphase current and gets real time image of the biphase current. The insert capacitor sensor identifies local distribution information of the biphase current on whole pipe or container section and directly gets the real time image of the biphase current.

The invention relates to a control method of a side wall concrete crack of an urban rail transit underground station body structure with the thickness larger than or equal to 0.7 m. The control method specifically includes the following measures that according to different construction seasons, the segmentation pouring length of concrete of the structure is determined; anti-cracking concrete raw materials are selected; the matching ratio of anti-cracking concrete is designed in an optimized manner; and a reasonable heat preservation and moisture preservation curing process is adopted, and the measures are sequentially carried out according to the construction steps. According to the control method, in the aspects of design of the segmentation pouring length of the structure, design of optimization and the matching ratio of the anti-cracking concrete raw materials and the heat preservation and moisture preservation curing process of the anti-cracking concrete, the complete technical scheme is formed, and generation of the shrinkage crack of the side wall concrete of the underground station body structure with the thickness larger than or equal to 0.7 m in the construction period can be effectively controlled.

The invention discloses a single fiber bi-directional BOSA optical structure used for a high-speed transmit-receive system. A double-face discrete structure is employed, a central partition in a housing is employed to separate a transmitting terminal TOSA optical structure from a receiving terminal ROSA optical structure. A wavelength division multiplexing light composition structure in the TOSA optical structure and a wavelength division multiplexing optical structure in the ROSA optical structure are employed to carrying out light composition and light splitting on light beams, the TOSA optical structure and the ROSA optical structure share a refractive PBS combination prism, a light splitting PBS combination prism, and an optical port collimator, the light beam emitted from the optical port collimator is refracted by the refractive PBS combination prism towards the lower layer, and the fact that the TOSA light beam is separated from the ROSA light beam is achieved. By employing the above design, single fiber bi-directional transmission is achieved by means of one housing and one optical port, and therefore the single fiber bi-directional BOSA optical structure is advantaged by being simple in structure, low in insertion loss, relatively-high in coupling efficiency, easy to assemble and debug and relatively-small in size, and being capable of saving the cost, and has a good application prospect.

A method of making a non-toxic perovskite / inorganic thin-film tandem solar cell including the steps of depositing a textured oxide buffer layer on an inexpensive substrate, depositing a metal-inorganic film from a eutectic alloy on the buffer layer; and depositing perovskite elements on the metal-inorganic film, thus forming a perovskite layer based on a metal from the metal-inorganic film, incorporating the metal into the perovskite layer.

The invention discloses a flexible analysis and structure defect diagnosis and positioning method and system for an urban heat supply network. The method comprises the following steps: firstly, establishing a mapping model of an urban heat supply network, and generating a test case set of the heat supply network under each working condition for simulating different dynamic combinations of supply and demand ends; the invention further provides a heat supply network flexibility evaluation model and a structure defect diagnosis and positioning method which are used for quantitatively evaluating the heat supply network structure flexible heat transfer capacity and the dynamic regulation and control capacity in the heat supply network operation process. Regions or pipelines with poor flexibility of the heat supply network are obtained through diagnosis, so that operators can operate the heat supply network conveniently, and an optimal transformation scheme is provided for the regions with poor flexibility. According to the method and the system, more real assessment and practice feasibility can be provided for planning, design, optimization and reconstruction of the heat supply network.

A method of making a non-toxic perovskite / inorganic thin-film tandem solar cell including the steps of depositing a textured oxide buffer layer on an inexpensive substrate, depositing a metal-inorganic film from a eutectic alloy on the buffer layer; and depositing perovskite elements on the metal-inorganic film, thus forming a perovskite layer based on a metal from the metal-inorganic film, incorporating the metal into the perovskite layer.

The invention discloses a preparation method for a tin-bismuth series alloy temperature fuse material with high plasticity. The method is characterized by comprising the following steps of: preparing an equal channel angular extrusion blank ingot by using a tin-bismuth alloy cast ingot, pre-heating the blank ingot and preserving the temperature of the blank ingot; performing isothermal extrusion on the equal channel angular extrusion blank ingot with an equal channel angular extrusion die to prepare an extrusion blank; preparing a drawing blank meeting a drawing molding requirement; and performing isothermal drawing on the drawing blank with a water-cooling temperature-controlled wire drawing machine to prepare the temperature fuse material and performing coil packaging. The fuse material prepared by the method is high in strength and plasticity, and has fine crystal particles and more uniform component organization. Various requirements on packaging of temperature fuses can be met. The method is simple and high in operability and is an ideal method for producing the tin-bismuth series alloy temperature fuse material.

The invention discloses a solar-assisted seawater cell and a preparation method thereof, and belongs to the field of photovoltaic conversion and energy. The method comprises the steps of 1) providinga negative electrode material for storing sites for metal ions in seawater by taking a coordination crystal as a main, and showing reversible charge-discharge characteristic of a secondary battery; 2)employing an N-type semiconductor which can be used for generating electron-hole pairs under solar simulation as a photo-anode material for providing electrons; and 3) taking a seawater solution withdissolved oxygen larger than or equal to 1ppm and sodium chloride larger than or equal to 0.35% as an electrolyte used for balancing polarization of ion concentration in an electrode brought by the power generation process and stabilizing an environment of the power generation device. When illumination is withdrawn, the ions stored in the sites are released by reaction of the dissolved oxygen andthe coordination crystal in the seawater, so that the recycling of the coordination crystal is achieved; and the solar-assisted seawater cell takes sunlight as an energy unique input source, is simple in scientific principle and low in construction cost, is safe and stable, is friendly to the environment and easy to promote and has practicality.

The invention discloses an ultrasonic flaw detection method of a gear press-in section of a locomotive axle, and relates to a method for adjusting sensitivity of ultrasonic flaw detection of the gear press-in section of a whole wheel axle by different types of reference blocks. The problem that a locomotive cannot be adjusted when the locomotive is provided with the same type of reference blocks, and the problem of the sensitivity of the gear press-in section of the whole wheel axle are mainly solved. The ultrasonic flaw detection method comprises the following steps: (1) determining maximal detection depth of transverse wave incidence once according to 1 / 2 of sum of prototype sizes of two axle diameters of the part of the detected axle provided with a probe and the gear press-in section; (2) selecting the parts with the same detection depths in the reference blocks; and (3) putting a transverse wave inclined probe for the axle on the gear press-in sections or wheel seat parts of the reference blocks, scanning a linear cutting artificial crack which is 1mm in depth at the part corresponding to the reference blocks, adjusting the optimal reflection echo amplitude to be 80% of vertical amplitude, and respectively adjusting the sensitivity of ultrasonic flaw detection at the inner side and outer side of the gear press-in section of the detected axle. According to the ultrasonic flaw detection method of the gear press-in section of the locomotive axle, the sensitivity of ultrasonic flaw detection of the gear press-in sections of whole wheel axles of various locomotives can be adjusted under the condition that the same type of reference blocks do not exist.

The invention discloses a medium thickness uniformization method of a PCB. The method comprises the following steps of 1) pattern preparation in which patterns are prepared in an internal copper core plate; 2) AOI detection in which AOI detection is carried out on the internal copper core board in which the patterns are prepared; 3) brown oxidation in which brown oxidation is carried out on the internal copper core plate after AOI detection; 4) printing-ink printing in which a 3D printing technology is used to print the internal copper core plate after brown oxidation with printing ink so that the printing ink is filled into line gaps in the internal copper core plate and the height of the line gaps filled with the printing ink is the same with that of lines; 5) precuring in which the internal copper core plate printed with the printing ink is precured; and 6) lamination in which the precured internal copper core plate is laminated with prepregs and copper foils. The method can prevent thickness difference of a medium caused by filling of the line gaps effectively, the flow is simple, and the operability is high.

A preparation method of N-alkyl-(3, 4-methylenedioxy) aniline relates to the method of the N-alkyl-(3, 4-methylenedioxy) aniline. 3, 4-(methylenedioxy) nitrobenzene in a pressure kettle is taken as the starting raw material, C1 to C4 lower aliphatic alcohols are taken as reaction solvents and alkylation reagents, a reductive alkylation catalyst is added, the pressure kettle is sealed, hydrogen gas is introduced for replacement, the temperature is increased, the hydrogen is introduced, the hydrogenation reaction is finished, the temperature is decreased, the pressure is relieved, then the N-alkylation reaction, the nitrogen introducing for replacement and the temperature increase reaction are continuously carried out for preparing the N-alkyl-(3, 4-methylenedioxy) aniline. In the preparation method, the hydrogenation reduction and the N-alkylation reaction are carried out in a same reaction kettle, the reduction products do not need to be separated, aldehyde and ketone alkylation reagents do not need to be added, and the N-alkylation reaction is directly carried out. The preparation method has small environmental pollution, good N-alkylation selectivity and high conversion rate, the raw material is easy to be recovered, the catalyst can be applied, the production cost is low, and the production process can be simplified.

The invention relates to a virtual power plant multi-objective optimization scheduling method considering output external characteristics. The method comprises the following steps: 1) defining the output external characteristics of a virtual power plant; 2) aggregating a plurality of distributed power supplies to construct a virtual power plant main body; 3) establishing a virtual power plant multi-objective optimization scheduling model by taking the optimized virtual power plant output external characteristics, the maximized virtual power plant operation income and the minimized virtual power plant carbon emission as scheduling objective functions; and 4) converting multiple objectives in the virtual power plant multi-objective optimization scheduling model into single objectives, linearizing nonlinear conditions, and solving by adopting a mixed integer linear programming method to obtain scheduling statistical information including a wind power photovoltaic output condition, charging and discharging time and power of energy storage equipment, and charging and discharging time and power of an electric motor car. Compared with the prior art, the method has the advantages of rapidness, reliability, high feasibility, wide application range and the like.

The invention discloses a steel wire rope tension detection device for a single-rope elevator. The steel wire rope tension detection device comprises a connecting piece. One end of the connecting piece is connected with a steel wire rope, and the other end of the connecting piece is connected with a fixed end. Steel grooves used for bearing containers are formed in the two sides of the fixed end correspondingly. The fixed end and the steel grooves are both provided with through holes. Pin shafts penetrate through the corresponding through holes for fixation. Additional tension detection sensors are arranged between the two ends of the pin shafts and the corresponding steel grooves in the inner sides separately.

The invention provides a lignocellulose-degrading composite microbial system and a culture method and an application thereof, and solves problems that an existing lignocellulose biodegradation processmainly aims at a single microbe and has a low degradation speed. The composite microbial system includes trichoderma, penicillium, clostridium, bacillus and herbaspirillum, wherein the trichoderma, the penicillium, the clostridium, the bacillus and the herbaspirillum respectively have a mass percent of 20%-40%, 20%-40%, 5%-10%, 20%-40% and 5%-10%; a composite microbial culture medium for culturing the composite microbial system is a cellulose congo red culture medium; and a fermentation culture medium using the composite microbial system includes the following components: 5% of wheat bran, 20% of maize straw powder, 0.05% of yeast extract, 0.3% of peptone, 0.03% of magnesium sulfate heptahydrate, 0.4% of potassium dihydrogen phosphate, 0.03% of calcium chloride dihydrate, 1.5% of ammoniumsulfate, 0.8% of tween 80, and the balance being water. The composite microbial system has an application in straw degradation.

The invention discloses a traceability voucher code anti-counterfeiting system and method. The system comprises a cloud server, an anti-counterfeiting platform registration module, an institution management module, a traceability voucher code generation unit, a scanning module, a display module, a reporting module, a merchant appeal module, and a release module. The anti-counterfeiting method is convenient for consumers to visually understand the positions of fake merchants, avoids purchasing fake products, is beneficial to protecting the interests of the consumers and production enterprises,also can avoid economic and reputation loss caused by malicious report of the merchants, and maintains the legal rights and interests of the merchants, Meanwhile, the whole anti-counterfeiting methodhas the characteristics of simple process, strong operability and easiness in implementation.

The invention discloses a multiple-point fume temperature monitoring device for a power station boiler flue and a realizing method of the device. The device comprises a foundation bed part, a flexible mechanism, a shake-stopping mechanism and measuring point mechanisms arranged inside the foundation bed part and the flexible mechanism, wherein the foundation bed part is fixedly arranged on the top of a horizontal flue and fixedly connected with one end of the flexible mechanism; the shake-stopping mechanism is fixedly arranged on the bottom of the horizontal flue and sleeved with the other end of the flexible mechanism; the flexible mechanism is vertically arranged in the horizontal flue and parallel to a boiler tube. The multiple-point fume temperature monitoring device disclosed by the invention is convenient to install and reliable in measuring result, capable of carrying out temperature monitoring on fume at any height within a range of 800 DEG C-1000 DEG C under a fume speed of 10m / s or higher. Besides, by virtue of the shake-stopping device and anti-abrasion devices with special structures, the multiple-point fume temperature monitoring device disclosed by the invention greatly improves practicability and prolongs service life in comparison with an existing temperature measuring mechanism.

The invention discloses a detection device for building materials, and belongs to the technical field of material detection. The detection device comprises a detection box. A control device is arranged on the lower part of the right outer wall of the detection box; a heater is clamped on the left side wall of the inner chamber of the detection box; a temperature sensor is arranged on the right side wall of the inner chamber of the detection box; and a stirring box is connected to the upper end of the detection box. A motor is fixedly mounted at the top of the stirring box; a stirring rod is fixedly connected to the output end of the motor; and a discharging pipe is connected to the bottom of the stirring box. A delivery pipe is connected to the bottom of the discharging pipe, and a plasticbox is clamped at the bottom of the inner chamber of the detection box. According to the detection device for the building material, the device obtains the compressive strength of the cement under different conditions respectively, by changing the temperature, the solidification time, and the like, so that the comprehensive detecting of the cement is guaranteed, the cement is ensured to be completely qualified; and the construction quality of the building is further guaranteed. The overall design of the device is reasonable, the detecting data is authentic and reliable, and the accurate and the feasible is achieved.

The invention belongs to the field of ferroalloy production, and particularly relates to a recovery method of splashed molten iron. According to the recovery method disclosed by the invention, an inclined baffle is arranged at a position from a casting chute opening to a position under an ingot mould of a casting machine, the inclined angle of the baffle is 30-50 degrees, and a water pipe is arranged above the baffle; a plurality of holes are formed in the periphery of the water pipe; when the molten iron is splashed during being casted and shaped, the baffle is used for blocking the splashed molten iron, the molten iron is adhered on the baffle, and then the water pipe above the baffle sprays high pressure water; the high pressure water uniformly flows through the surface of the baffle, so as to break up and cool the splashed molten iron; finally, the high pressure water flows in a funnel, so that ferronickel quenched with the water is obtained. The method is simple and practical, can effectively reduce consumption, and increase the recovery rate of nickel; besides, the splashed molten iron is timely treated, so that the treatment cost of iron slags is reduced, and the cost is effectively reduced.

The invention discloses an application process for a quick solidifying material for mining, which comprises the following steps: clearing a filling site, constructing a closed body on a coal lane, and undercutting two sides; erecting a filling template, a check pump, stirring barrels, an electric controller and a signal system; inserting a slurry outlet pipe orifice into a filling space, informing a filling pump station of the length, width and height of the current filling space, and preparing to fill material by the pump station; informing the pump station of slurrying and turning on the pump; and connecting a filling body to the top, then informing the pump station of stopping the pump, extracting the slurry outlet pipe orifice from a filling bag, and plugging a pipe faucet on the filling template, wherein the stirring barrels are an engineering plastic cylindrical barrel and an iron plate cylindrical barrel, the slurry conveying amount Q of the filling pump is 6 to 8 m / h, a slurry conveying pipe is a fire hose of 50 millimeters, the maximum pressure of the slurry conveying pipe is 2 to 4.07 MPa, and a forming facility of the filling body is the filling template. The application process has the advantages of feasible method and technology, economy and reasonability, convenient operation, efficient work, safety and reliability.

A bi-facial tandem solar cell and a method of making a non-toxic perovskite / inorganic thin-film tandem solar cell stable, having matching bandgaps and a hysteresis free design including the steps of depositing a textured oxide buffer layer on an inexpensive substrate, depositing a metal-inorganic film from a eutectic alloy on the buffer layer; and depositing perovskite elements on the metal-inorganic film, thus forming a perovskite layer based on a metal from the metal-inorganic film, incorporating the metal into the perovskite layer wherein said perovskite layer is stable, hysteresis-free, and has a bandgap that matches the bandgap of the metal-inorganic.

A method of growing a III-V semiconductor compound film for a semiconductor device including the steps of depositing a textured oxide buffer layer on an inexpensive substrate, depositing a metal-inorganic film from a eutectic alloy on the buffer layer, the metal being a component of a III-V compound and forming a layer on the inorganic film on which additional elements from the III-V compound are added, forming a top layer of a tandem solar cell.

The invention belongs to the technical field of fault monitoring, diagnosis and positioning of the industrial Internet, and particularly relates to a pipe network fault diagnosis and positioning method and system based on pressure wave mode recognition, and the method comprises the steps: collecting information; preprocessing the information; carrying out fault feature parameter extraction according to the preprocessed information; performing fault diagnosis according to the fault characteristic parameters; positioning the fault; sending fault information according to fault diagnosis and positioning. More real evaluation and practice feasibility are provided for intelligent, intelligent and safe operation of a heat supply system, more accurate fault types and corresponding repair suggestions are provided for pipe network operators, and a complete set of heat supply pipe network intelligent fault diagnosis and positioning method and system is provided.

The invention relates to a precise micropressure control and comprehensive waste gas processing device suitable for an atmosphere kiln. The precise micropressure control and comprehensive waste gas processing device comprises the kiln and further comprises a micropressure control system and a comprehensive waste gas processing system. The micropressure control system comprises a differential pressure type micropressure transmitter, a buffer tank, a relay draught fan and a programmable logic controller. The comprehensive waste gas processing system comprises an electric tar catcher, a spray tower, a condenser and an induced draft fan. The precise micropressure control and comprehensive waste gas processing device solves the problems that the pressure inside the kiln is large in fluctuation, not convenient to adjust, and the like, effectively processes related waste gas discharged by the kiln, conforms to the concept of the circular economy industry, is simple, reliable and feasible on the aspects of micropressure control and waste gas processing, and is suitable for being used and popularized within a large range.

The invention relates to the technical field of automotive hub auxiliary equipment, specifically to double sleeve rings welded to a hub. The double sleeve rings are characterized in that the specification of the hub (3) is matched with the specification of a conventional automobile, that a hub welding ring A and a hub welding ring B are manufactured on the hub (3), that the hub welding ring A andthe hub welding ring B are welded to the hub (3), that a tire locking edge B is manufactured on the hub welding ring B, that a tire locking edge A is manufactured on the hub welding ring A, that a rubber tire (7) is mounted at the inner part of the tire locking edge B and the tire locking edge A, that the vertical distance between the tire locking edge A and the hub (3) is 9 cm, that the rubber tire (7) is a specially-manufactured tire, and that the vertical distance between a tire inner diameter (8) and a tire outer diameter (9) is 4 cm. The rubber tire is the specially-manufactured tire andthe height between the tire inner diameter and the tire outer diameter is 4 cm. The enlarged hub welding ring A and the hub welding ring B are welded to a conventional hub so as to decrease the heightbetween the inner diameter and the outer diameter of a conventional tire.