90results about How to "Solve problems" patented technology

The invention discloses a land-based data automatic receiving and preprocessing management system and method, and relates to the technical field of ocean observation data processing, and the system comprises a communication service subsystem, a data preprocessing subsystem, an intelligent perception linkage subsystem, and a data management subsystem. And full-process automatic processing of underwater acoustic real-time communication subsurface buoy observation data is realized through modular integration. Automatic receiving, safe storage and efficient preprocessing of deep sea power and biogeochemical element data are achieved, reliable data support is provided for marine scientific research and environment monitoring, and the long-term observation requirement of a 6000-meter water depth subsurface buoy system is met.

The present application belongs to the field of advanced coating and preparation, and particularly relates to a high-transparent and scratch-resistant multifunctional antistatic coating and a preparation method thereof. The present application provides a high-transparent and scratch-resistant antistatic coating, raw materials of the antistatic coating comprising fluorion-containing silsesquioxane monomer, functional monomer and catalyst; wherein the functional monomer is a crosslinking agent or an anti-crystallization agent. The coating obtained by the present application has a light transmittance of >98% (550 nm); a surface pencil hardness of greater than 9H, no scratches after more than 1000 times of steel wool rubbing; a surface resistivity of about 10 8 ~10 9 Ω / sq, and a fast electrostatic discharge rate.

This utility model provides a method for parallelism testing of eccentric contour parts, comprising: a bakelite handwheel passing through the center of a base; a platform on the top of the base; pin holders on the left and right sides of the top of the platform near the bakelite handwheel; a center pin passing through one side of the pin holder; a dial indicator column connected by bolts to the center of the top of the base away from the bakelite handwheel; a dial indicator on the side of the dial indicator column near the pin holder; a detection mandrel fitted on the left and right sides of the outside of the center pin of the pin holder; the eccentric contour part being held on the detection mandrel; the detection mandrel being fitted on the center pin; the bottom detection head of the dial indicator being pressed against the outer contour of the part to be tested; the pointer on the dial indicator being adjusted to 0; rotating the bakelite handwheel to drive the rack and pinion transmission mechanism to move the platform longitudinally, causing the bottom detection head of the dial indicator to move to the other side of the part; reading the value on the dial indicator; and comparing the value on the dial indicator with the tolerance value to determine whether the parallelism of the eccentric contour part meets the requirements.

The utility model discloses a sounding unit, including basin stand, magnetic circuit system, conducting centering disk and a plurality of voice coil, magnetic circuit system is connected basin stand, magnetic circuit system includes yoke, and the central magnetic subassembly and first side magnetic structure that are respectively provided on yoke, central magnetic subassembly is located between at least one group of two oppositely arranged first side magnetic structure, the central magnetic assembly comprises a plurality of central magnetic structures which are arranged side by side, the yoke is provided with a window, two opposite side edges of the window are respectively connected with flanges, and the flanges are provided with openings; the voice coils and the central magnetic structures are arranged in a one-to-one correspondence manner, and partial areas of the voice coils are located between the central magnetic structures and the flanges; the conduction centering disk comprises an inner mounting part, a cantilever part and an outer mounting part which are connected in sequence, a partial area of the cantilever part corresponds to the window and is located between the two flanges, one end of the inner mounting part penetrates through the opening and is fixedly connected with the voice coil, and the outer mounting part is connected with the basin stand. The sound production unit has high performance.

The application discloses a SOFC integrated power generation system containing a diesel pretreatment unit, and belongs to the technical field of solid oxide fuel cells. The SOFC integrated power generation system at least comprises a diesel pretreatment unit, a SOFC power generation unit and an intelligent control system. The pretreatment unit converts diesel into high-purity hydrogen-rich gas through desulfurization, denitrification and autothermal reforming processes. The SOFC power generation unit adopts a metal support type stack and realizes efficient power generation in combination with heat management. The intelligent control system can realize real-time monitoring and dynamic adjustment to ensure stable operation of the system. The power generation efficiency of the SOFC integrated power generation system can reach 55% to 58%, the fuel utilization rate reaches more than 90%, and the emission is low. The SOFC integrated power generation system is suitable for distributed power generation, mobile power sources, emergency power sources and automobile fuel cells and the like application scenarios, and has the characteristics of high efficiency, environmental protection and stability.

The application provides a metadata intelligent identification method and device based on semi-supervised learning, and the method comprises the following steps: generating a metadata keyword identifier according to a conditional random field, wherein the metadata keyword identifier is used for extracting metadata features corresponding to any identification; acquiring an initial labeled data set, training the metadata keyword identifier according to the initial labeled data set to generate a metadata classifier; acquiring an unlabeled data set, predicting the unlabeled data set according to the metadata classifier to generate a prediction result; generating an intermediate training data set according to the prediction result; cyclically self-training the metadata keyword identifier and the metadata classifier according to the intermediate training data set to obtain a cyclically self-trained metadata classifier; and identifying metadata intelligently according to the cyclically self-trained metadata classifier. Through the application, the problem of low metadata identification construction efficiency in the related art is solved.

The utility model discloses a windscreen wiper and a vehicle with the windscreen wiper. A windscreen wiper belongs to the technical field of vehicles and comprises a wiper blade, a heating wire and a wiper arm, the wiper blade is provided with a first connecting part, the heating wire is arranged in the wiper blade and electrically connected with the first connecting part, the wiper arm is provided with a second connecting part, the second connecting part is detachably connected with the first connecting part, and the second connecting part supplies power to the heating wire through the first connecting part. The wiper blade can be heated by electrifying the heating wire, the problem that the windscreen wiper is frozen on the front windshield can be solved, the maintenance problem can be solved only by replacing the wiper blade, and the maintenance convenience is improved.

The utility model discloses a kind of toilet excrement field returning equipment, it is related to environmental protection and agricultural resource utilization technical field, including storage sewage bin, stirring device, conveying pipeline and distributor, the top end lateral wall of storage sewage bin is equipped with feed inlet, the feed inlet is closed by sealing cover, the inside of storage sewage bin is provided with stirring device, the stirring device includes driving motor, transmission shaft and stirring vane, the driving motor is fixed at the top outside of storage sewage bin, the output shaft of driving motor is connected by shaft coupling with one end of transmission shaft, the other end is penetrated the top of storage sewage bin and extends to storage sewage bin inside, the outer wall of transmission shaft is welded with multiple groups of stirring vane, each group of stirring vane is distributed in spiral shape, the bottom of storage sewage bin is provided with discharge port.The utility model discloses a kind of toilet excrement field returning equipment, by storage sewage bin, the centralized collection of excrement is realized, replace traditional dispersed manual collection mode, reduce labor intensity and improve efficiency.

The utility model provides a large-span combined-section bailey beam capable of accurately positioning, which belongs to the technical field of bailey trusses and comprises a bailey beam, a plurality of beam bodies and a plurality of beam bodies, the bailey beam comprises two chord members and two vertical rods, and the two vertical rods are welded at two ends of the two chord members to form a rectangular frame structure; the reinforcing frames are arranged between the two vertical rods and are sequentially arranged at intervals; the two positioning mechanisms are detachably arranged outside the vertical rod, and each positioning mechanism comprises two positioning pieces. The novel bailey truss has the advantages that the two detachable positioning mechanisms are arranged, the problems of difficulty and errors existing when a traditional bailey truss is used for welding and positioning a reinforcing frame are effectively solved, the positioning mechanisms can be rapidly mounted and dismounted through the opening design of the sliding frame, the locking structures abut against the side faces of the vertical rods through the locking rods, and the locking effect is good. It is ensured that the positioning mechanism is stable and reliable in the using process, the inclined supporting face on the positioning block provides a precise abutting position for the bent end of the reinforcing frame, and the positioning precision during welding is remarkably improved.

The application discloses a teaching simulation and intelligent guiding method based on learning situation mining, which comprises the following steps: collecting student test paper and / or homework image data, and extracting structured data from the image data; calculating an error rate index according to the structured data, and determining difficult knowledge points based on the overall error rate; splitting the standard explanation text corresponding to the difficult knowledge points into a plurality of structured nodes, constructing a knowledge point explanation graph, and generating a standard explanation graph with the node maximum weight after weighting; collecting the explanation content of the simulated teaching of teachers in real time, and constructing a real-time explanation graph based on the explanation content; performing two-graph matching and explanation coverage calculation on the standard explanation graph and the real-time explanation graph, and generating targeted guiding questions; and after quickly determining the difficult knowledge points through learning situation mining, guiding the teachers to conduct targeted explanation from multiple angles and by using various expression modes, so that the problem that the traditional simulation practice lacks guidance and is separated from the real learning situation is effectively solved.

The present application provides a core and a power battery, which belong to the field of battery. The core includes a body and a plurality of layers of pole tabs. An end of the plurality of layers of pole tabs is connected to the body, and another end is configured to be connected to a pole post of a battery. The plurality of layers of pole tabs are welded to form a first welding print, which is disposed at a root of the pole tabs and close to the body to enable the plurality of layers of pole tabs to gather up. The core and the power battery of the present application completely gather the end of the pole tabs close to the body, solving the problem of difficulty in shaping the pole tabs and avoiding a short circuit caused by the pole tabs being reversely inserted into the body.

The application discloses a kind of NLFM waveform design methods for anti-SAR combined interference, first determine the generation model of NLFM waveform, then establish the waveform optimization model of anti-repeater deception jamming and the waveform optimization model of anti-narrowband radio frequency interference, combinedly establish the waveform optimization model of anti-combined interference, finally split into two nonlinear constraint optimization sub-problems by multi-objective constraint optimization model, solve optimization problem using augmented Lagrange genetic algorithm, obtain the NLFM waveform of anti-SAR combined interference.The method of the application can resist two kinds of interference types simultaneously by optimizing the waveform of transmitting end, including repeater deception jamming and narrowband radio frequency interference, using the designed NLFM waveform as transmitting signal, can effectively suppress the influence of combined interference on the basis of realizing imaging performance, improve the survivability and practical efficiency of SAR system, so that SAR system can be widely used in resource exploration, geological mapping and other fields.

The application provides a pump state monitoring method based on a machine learning SVM model, which comprises the following steps: collecting audio signals of a training pump; preprocessing the audio signals; setting a custom mel filter bank, calling the custom mel filter bank to process each frame of signal, extracting the mel frequency cepstral coefficient features of each frame, and combining the mel frequency cepstral coefficient features of all frames into a first feature matrix; standardizing the extracted first feature matrix; taking the first feature matrix as input, training independent one-class support vector machine models according to the running state of the training pump; and using the one-class support vector machine models to judge the running state of a pump to be tested. The application has the advantages of: low misjudgment rate due to independent training of multiple models; improved feature recognition and abnormal recognition accuracy due to the use of non-contact audio acquisition and a custom filter bank; support for end-to-end real-time monitoring, and suitability for deployment of various pumps.

This invention belongs to the field of crane fatigue life estimation, specifically relating to a fatigue life prediction method for a K-shaped boom structure with flattened web members based on response surface modeling and S-N curves. The technical solution of this invention is as follows: A finite element model of the truss boom is established and the axial force of each member is calculated; a combination of geometric parameters characterizing the three-dimensional geometry of the K-shaped boom structure is proposed; a three-dimensional finite element model of the K-shaped structure with flattened web members is established to determine the most likely failure hotspots; based on the response surface model, a mathematical relationship is established between the stress concentration factor of the hotspots and the geometric parameters of the K-shaped structure; and combined with the hotspot stress and fatigue life S-N curves, a surrogate model of chord axial force-geometric parameters-fatigue life is established to achieve rapid assessment of the fatigue life of the K-shaped structure. The fatigue life prediction method for a K-shaped boom structure with flattened web members based on response surface modeling and S-N curves provided by this invention can quickly and efficiently predict the fatigue life of a truss crane boom K-shaped structure.

This invention relates to the field of coal washing and processing technology, and discloses a method and computer equipment for integrating a chemical dosing system and a filter press system in a coal preparation plant. The method includes the following steps: the chemical dosing system calculates the target value of the flocculant based on the raw coal quantity and process parameters, and generates the real-time flocculant flow rate by combining turbidity feedback correction. Key parameters are introduced, and the filter press system monitors the concentration pressure, controls operation, and generates an operating sequence. During the low-pressure stage, a follow-up strategy is implemented, using the real-time flocculant flow rate and critical proportionality constant to calculate the target flow rate of the filter aid and adjust the frequency. During the non-low-pressure stage, a feedback strategy is implemented, collecting the effective filter press feeding time according to the operating sequence, comparing it with the standard time, and then performing reverse feedback adjustment to correct the filter aid pump frequency. This invention overcomes the impact of process lag by constructing a segmented closed-loop control logic across systems, achieving dynamic and precise control of the chemicals, improving filter press efficiency and reducing costs while ensuring concentration effects.

This application relates to the interdisciplinary field of deep learning and protein analysis, specifically to a method, apparatus, device, and medium for analyzing multi-target proteins in obesity based on deep learning. The method includes: acquiring biological sample data and preprocessing the biological sample data to obtain preprocessed biological sample data; the preprocessed biological sample data includes protein expression data and obesity classification labels corresponding to the protein expression data; the protein expression data includes multiple protein expression features; constructing an initial deep learning model for analyzing multi-target proteins in obesity based on a multilayer feedforward neural network; training the initial deep learning model based on the preprocessed biological sample data to obtain a deep learning model for analyzing multi-target proteins in obesity; and determining multiple protein expression features related to obesity based on the deep learning model for analyzing multi-target proteins in obesity.

This application relates to an electronic atomizing device, including an atomizing unit, a power supply unit, and a first elastic element. One end of the power supply unit has a mounting position, in which the atomizing unit is at least partially accommodated. The outer wall of the power supply unit has a locking hole communicating with the mounting position. A spring pin is provided on the side wall of the atomizing unit. The first elastic element is located in the mounting position, and the atomizing unit is connected to the power supply unit via the first elastic element. The end of the spring pin can be confined within the locking hole, fixing the atomizing unit in a retracted position and electrically connecting it to the power supply unit. The spring pin can move under external force and disengage from the locking hole, allowing the atomizing unit to move relative to the power supply unit to an extended position under the elastic force provided by the first elastic element. This facilitates the removal of the atomizer from the atomizing unit. Therefore, when replacing the atomizer, compared to the traditional method of forcefully pulling out the atomizer, it is much easier and less strenuous to grasp the atomizer, thus solving the problem of difficulty in replacing the atomizer.

The present application relates to a kind of carbon dioxide hunting system and method, comprising: reactor, with flue gas input end, gaseous material output end, return material ash input end, calcium-based absorbent input end, heat input end and thermometer installation end;Flue gas input part;Gas recovery part, including dust collector and gas recovery processing component;The gas output end of the dust collector is connected with the gas recovery processing component, the gas input end of the dust collector is connected with the gaseous material output end by gas output pipeline component, the return material ash output end of the dust collector is connected with the return material ash input end by return material ash pipeline component;Ejector has output end, first input end and second input end;The first input end is used to be connected with the supply equipment of calcium-based absorbent, the second input end is connected with the gas output pipeline component by shunt pipeline component, simultaneously have the advantages of obtaining high concentration carbon dioxide, reducing system construction time fund investment, reducing the cost of transformation.

The thinning machine comprises a rotary table assembly, a grinding assembly, a liquid receiving disc and a sealing assembly, the rotary table assembly is used for bearing a to-be-machined part, the grinding assembly is used for grinding the to-be-machined part on the rotary table assembly, the liquid receiving disc is used for receiving waste liquid, and the sealing assembly comprises an annular sealing groove and a flange structure; the annular sealing groove is formed in the liquid receiving disc and used for storing sealing liquid, the flange structure comprises an annular drainage flange and an annular sealing flange, the annular drainage flange is used for guiding waste liquid on the rotary table assembly to flow into the liquid receiving disc, and the annular sealing flange is arranged between the annular drainage flange and the rotary table assembly; and the sealing ring is used for being inserted into the sealing liquid in the annular sealing groove. The problem that in the prior art, sealing is conducted through a sealing ring, and defects exist can be effectively solved.

The application belongs to the technical field of organic synthesis, and discloses a chloromethylation method and a preparation method of piperonyl butoxide. The chloromethylation method comprises the following steps: using a chlorine salt and concentrated sulfuric acid as precursors of a chloromethylation reagent, and performing a chloromethylation reaction on dihydrocuminaldehyde and trioxane. The chloromethylation method can ensure that a large amount of waste acid and new impurities are not introduced in the preparation process of piperonyl butoxide, and gas hydrogen chloride is not used, so that the safety is improved, and the obtained piperonyl butoxide is high-purity, for example, the purity is not less than 99.5%.

The application relates to an MDIO address extension circuit, an MDIO address extension method and equipment. The MDIO address extension circuit comprises a network switching unit, a plurality of physical layers (PHY), an analog switch and a control unit. A plurality of serial independent interfaces of the network switching unit are connected with serial independent interfaces of the plurality of PHYs in one-to-one correspondence. Communication interfaces of the plurality of PHYs are connected with communication channels of the analog switch in one-to-one correspondence. A general input and output interface (GPIO) of the control unit is connected with a channel selection pin and an enable pin of the analog switch. The circuit can solve the problem of insufficient PHY chip addresses in the related art, and realize low-cost and high-flexibility multi-PHY chip management.

This utility model discloses a supercapacitor energy storage power supply, which includes a housing and multiple supercapacitor modules arranged in a single layer within the housing. The electrical connections of each supercapacitor module are achieved through connectors, with the electrical connections facing upwards. A cover plate is mounted on the top of the housing, hinged to the housing. Opening the cover plate exposes all the electrical connections of the supercapacitor modules. A first air inlet is located at the bottom of the housing, and first air outlets are respectively opened on the four side walls of the housing. A heat exhaust chamber is located in the middle of the housing, with its end extending to the side wall of the housing. A second air outlet is opened on the side wall of the housing corresponding to the heat exhaust chamber, and multiple second air inlets are respectively located on both sides of the heat exhaust chamber. Cooling fans are installed on the first and second air outlets and the second air inlets. This utility model provides efficient heat dissipation and facilitates maintenance.

This invention discloses a modular wastewater treatment device with dual anaerobic and aerobic treatment modes, comprising two first conveying pipes and an anaerobic treatment chamber and an aerobic treatment chamber respectively connected to the two first conveying pipes. An aeration chamber is installed between the anaerobic and aerobic treatment chambers. The anaerobic treatment chamber is connected to the interior of the aeration chamber via a second conveying pipe. A collection component is installed on the aeration chamber. An air outlet component is installed inside the aerobic treatment chamber. An inlet pipe connected to the air outlet component is installed outside the aerobic treatment chamber and is connected to the collection component. A turning component is installed inside the anaerobic treatment chamber. A first push shaft is installed on the turning component and is connected to the collection component. A denitrification component and a phosphorus removal component are also connected between the anaerobic and aerobic treatment chambers. The turning component is connected to the aerobic treatment chamber via the phosphorus removal component, and the air outlet component is connected to the anaerobic treatment chamber via the denitrification component.

The utility model discloses electronic equipment which comprises an equipment body and a light-emitting part, the equipment body is provided with a clamping groove and comprises a front face used for displaying information and a plurality of side faces surrounding the periphery of the front face, every two adjacent side faces intersect to form a corner part, the clamping groove is located in the corner part, and the light-emitting part is located in the clamping groove. The light-emitting part comprises a light-emitting body, a fixing base and a first fastening part, the fixing base is fixedly connected with the light-emitting body, the first fastening part is arranged on the fixing base, the fixing base is embedded in the clamping groove, and the first fastening part is detachably connected to the equipment body. According to the technical scheme, the problem that existing electronic equipment is difficult to recognize clearly due to insufficient light in a night environment is solved.

The utility model provides a magnetic shielding structure for a nuclear magnetic resonance laboratory area. The magnetic shielding structure comprises a machine room, a machine room shielding layer, a machine room silencing wall body and a strong and weak current waveguide port, the machine room shielding layer is arranged at the bottom of the machine room; the machine room silencing wall bodies are arranged around the machine room; the machine room shielding layer is arranged in the machine room, the strong and weak current waveguide port is arranged in the machine room, and the strong and weak current waveguide port is arranged at the bottom of the machine room noise reduction wall body on one side close to the nuclear magnetic resonance equipment in the machine room. The machine room, the machine room shielding layer, the machine room noise reduction wall body and the strong and weak current waveguide port form a closed electromagnetic environment to block internal and external bidirectional interference; meanwhile, the sound insulation effect is achieved.

The utility model provides a washing layering tank suitable for waste gas or waste liquid. The washing layering tank comprises a heavy liquid separation unit and a light liquid separation unit integrally arranged on the heavy liquid separation unit, barrel semi-coil pipes are welded on the outer side walls of the heavy liquid separation unit and the light liquid separation unit; the outer diameter of the heavy liquid separation unit is smaller than that of the light liquid separation unit; a light liquid discharging unit and a material inlet unit which penetrate through the light liquid barrel body are respectively arranged at the upper part and the middle part of the light liquid separation unit; and a heavy liquid discharging unit which penetrates through the heavy liquid barrel body is arranged below the heavy liquid separation unit. The layered design is utilized, the heavy liquid separation unit and the integrated light liquid separation unit are adopted, the heavy liquid separation unit and the integrated light liquid separation unit are connected through welding or flanges to form an integral structure, the outer diameter of the heavy liquid separation unit is smaller than that of the light liquid separation unit so that density gradient layered control can be achieved, and meanwhile the outer side walls of the two units are welded with the barrel semi-coil pipes. Circulation of heating or cooling media is achieved, and constant temperature of the internal environment is facilitated.

The utility model provides a hand -held pressure lever type gauge, include: the top of left side of holding block is provided with arc -shaped groove, detection area sets up in the bottom of left side of holding block, the detection head of pressure lever type micrometer dial central wear measurement rod bottom passes through arc -shaped groove and enters detection area, rapid detection pressure lever group sets up in pressure lever type micrometer dial top, fixed type measuring needle group bottom wear in detection area right side wall, fixed type measuring needle group top and detection head contact, when detecting, right hand passes through finger to wear holding hole and holds holding block, right hand thumb presses down pressure block and makes pressure lever type micrometer dial middle measurement rod be lifted, left hand will standard piece cover and put on fixed measuring needle, right hand thumb leaves pressure block measurement rod and falls back naturally because of gravity, detection head and resist standard piece other side, detect whether pressure lever type micrometer dial upper reading and standard piece thickness numerical value one, after calibrating detection is finished, the bearing required detection area of required detection is in turn and resists fixed measuring needle, and constantly presses and lifts pressure block, and fast measurement is carried out.

The utility model relates to a coke steam gasification reaction and performance detection device which comprises a steam generation device, a reaction device, a gas supply system, an electronic balance, an exhaust system and a control system, the water vapor generating device is an ultrasonic oscillation water vapor generating device. According to the utility model, the thermal performance of coke can be detected under various gas atmospheres, and the water vapor generating device adopts an ultrasonic oscillation principle, so that the problem of water vapor generation can be solved efficiently, safely and environmentally friendly in an energy-saving manner; the detection device is simple in structure and low in manufacturing cost, different blast furnace atmospheres can be simulated through the gas supply system, the mass change of the coke in the reaction process can be monitored on line by means of the electronic balance, meanwhile, other properties (such as strength and structure) of the coke after the experiment is finished are analyzed, and the detection accuracy is improved. Further, the influence of the water vapor gasification reaction on the coke quality is reasonably evaluated.

A multifunctional manicure lamp belongs to the field of manicure and comprises a silica gel head, a lamp head clamping seat, a lens, a lamp bead, a lamp bead base, a circuit board, a lamp tail clamping seat, a magnet and a chamfered square tubular machine body, a circuit board slot deviating from the center is formed in the inner wall of the tubular machine body, a lamp holder clamping seat is arranged in front of the lens, and the lens is arranged backwards in the tubular machine body; the lamp cap clamping seat is of an upper-middle-lower round through hole structure comprising a silica gel socket, a middle support base and a lens pressing seat, a charging port is formed in the tubular machine body tail, and a round hole for installing a magnet is formed in the lamp tail clamping seat. The three operation functions of silica gel pattern transfer printing, magnet magnetization cat eye and light curing are integrated on one manicure lamp, and the defects caused by three independent tools in existing manicure are overcome.