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97results about How to "Easy to observe and analyze" patented technology

Phased-array ultrasonic detection method for interfacial de-bonding of composite material

The invention discloses a phased-array ultrasonic detection method for interfacial de-bonding of a composite material. The method comprises the following steps: (1) sequentially triggering each wafer of a phased-array probe to generate ultrasonic signals, superposing the ultrasonic signals, propagating the ultrasonic signals inside the composite material, and reflecting the ultrasonic signals during the interface de-bonding or interfacial de-bonding of the composite material; (2) superposing the reflected ultrasonic signals, receiving the ultrasonic signals by using the phased-array probe, performing data processing, and then outputting a phased-array scanning image through a phased-array display instrument; (3) comparing an ultrasonic detection image during the good interfacial bonding of the composite material with an ultrasonic detection image during the interfacial de-bonding of the composite material to judge whether the composite material has a de-bonding defect. The method has the advantages of high detection accuracy, simple operation process and the like.
Owner:SOUTH CHINA UNIV OF TECH

Corrosion sample inlaying method

InactiveCN103543060ATightly boundSample preparation is beautiful and generousPreparing sample for investigationEpoxyRoom temperature
The invention discloses a corrosion sample inlaying method. The method comprises the following steps of: based on an epoxy resin inlay, which is composed of 60-80% of matrix resin, 10-25% of conductive powder, 2-10% of dispersing agent and 7-15% of curing agent by weight, orderly arranging the sample to be inlaid, namely the corrosion sample, completely covering the sample with a die, and then, pouring the epoxy resin inlay into the die until submerging the corrosion sample; curing 3-12h at room temperature, uncovering flat surface paper, taking out the sample from the die, respectively sanding the sample with 120#, 240#, 400#, 600#, 800# and 1000# sand paper stage by stage, and then, polishing the sample. With the method disclosed by the invention, the processed corrosion sample can be used for metallomicroscopy observation or electron microscopy scanning observation, so that organization, structure and form of the cross section of the corrosion sample are shown integrally and really.
Owner:CHINA PETROCHEMICAL CORP +1

Phased array ultrasonic detection device and method for inner defects of composite insulator

The invention discloses a phased array ultrasonic detection device for inner defects of a composite insulator. The phased array ultrasonic detection device comprises a phased array probe, a phased array displayer, a phased array system unit and a system main control computer. The invention also discloses a detection method applicable to the phased array ultrasonic detection device for the inner defects of the composite insulator. The detection method comprises the following steps: 1, generating an ultrasonic signal by the phased array probe and generating a reflected ultrasonic signal when the ultrasonic signal meets the defects of the composite insulator; 2, transmitting the reflected ultrasonic signal to the phased array system unit and the system main control computer, and then transmitting data to the phased array system unit and the system main control computer; 3, processing data with the phased array system unit and the system main control computer, and then outputting a phased array scanning image with the phased array displayer; 4, determining sizes, types and positions of the inner defects of the composite insulator. The detection device and the detection method have the advantage of being capable of quickly, accurately and nondestructively detecting the inner defects of the composite insulator.
Owner:SOUTH CHINA UNIV OF TECH

Salt cavern model test method for simulating multi-interbedded salt rock geological conditions

The invention discloses a salt cavern model test method for simulating multi-interbedded salt rock geological conditions, comprising the following steps of: analyzing natural interbedded salt rock; manufacturing a salt rock die capable of heating; manufacturing an interbedded salt rock test piece; drilling downwards from the top end of the interbedded salt rock test piece; placing a pressing plate used for simulating a covering layer on the multi-interbedded salt rock on the top surface of the interbedded salt rock test piece; arranging a salt cavern intermediate casing; calculating the cavern wall thickness of the interbedded salt rock test piece at any salt cavern stage through an ultrasonic transducer which detects and measures the time of a wave propagating the wall surface of the interbedded salt rock test piece to obtain the influence of each salt cavern process parameter on expansion of a laminated salt rock cavern body shape. With the adoption of the experiment method, similar model tests of the geological environment and the salt layer occurrence state are guaranteed, the process of analyzing the multi-interbedded salt rock salt cavern can be better observed, the salt cavern model test method for simulating the multi-interbedded salt rock geological conditions provides more realistic theoretical support and technological guide to avoid salt cavern failure.
Owner:CHONGQING UNIV

Tumor pathological image display station

The invention relates to a tumor pathological image display station. Through a rectangular track formed by a set of elliptical tracks and longitudinal tracks connected therebetween, display boards canbe freely switched between the elliptical tracks and the longitudinal tracks, and the lower ends of the display boards are provided with pushing plates; the positions of driving rods on a driving belt and the positions of pushing rods on a guide belt in the vertical direction are changed, so as to drive the pushing plates to drive the display boards to be switched between the elliptical tracks and rectangular track respectively; a large fluted disc is meshed with two sets of first incomplete gears, a second incomplete gear is meshed with a rack through a second gear, and the elliptical tracksand the rectangular track are separated by the rack; a driving device provides power input and reversing action, the structure is clever, the operation is simple, the elliptical track show images tomore people, facilitating observation and analyzing of the details of the images, the rectangular track allows repeated flip of the display boards, facilitating comparative analysis; the display effect is good, and the accuracy of medical staff for tumor pathological diagnosis is improved.
Owner:HENAN PROVINCE HOSPITAL OF TCM THE SECOND AFFILIATED HOSPITAL OF HENAN UNIV OF TCM

Nondestructive testing system for industrial part flaws based on X rays and detection method thereof

The invention discloses a nondestructive testing system for industrial part flaws based on X rays. The nondestructive testing system comprises X-ray imaging equipment, an image enhancing part, an image acquisition card and an image work station, wherein the X-ray imaging equipment is used for receiving the X rays penetrating through an industrial part to be detected; the X-ray imaging equipment is provided with a signal detection part and an imaging part, which are connected with each other; the image enhancing part is used for receiving an original image signal generated by the X-ray imaging equipment in real time and carrying out signal enhancing processing on the original image signal to obtain an enhanced image signal; the image acquisition card is connected with the image enhancing part; and the image work station is provided with a buffering part and a flaw identification part, which are connected with each other, and the image acquisition card is used for transmitting the enhanced image signal acquired by the image acquisition card to the buffering part. With the adoption of the nondestructive testing system, the technical problems in the prior art that the flaw detection efficiency is low, the repeatability is poor and mistakes are extremely easily made are solved.
Owner:苏州国科康成医疗科技有限公司

Hematoxylin-eosin one-step dyeing method

The invention belongs to a routine dyeing reagent for a routine pathological section making and a use method of the routine dyeing reagent, and discloses a hematoxylin-eosin one-step dyeing method. The hematoxylin-eosin one-step dyeing method disclosed by the invention is characterized by comprising the following steps: preparing a hematoxylin-eosin one-step dyeing solution and a specific pH value buffer solution so that hematoxylin dyeing and eosin dyeing are completed in one step without the steps of differentiating and turning blue, and rinsing the sections with the specific pH value buffer solution before and after dyeing. According to the hematoxylin-eosin one-step dyeing method disclosed by the invention, one-step dyeing of cytoplasm and nucleus can be achieved, the operation steps are simplified and the operation time is shortened; the hematoxylin-eosin one-step dyeing method is good in dyeing effects and stable in results, is suitable for dyeing of routine formalin fixation and paraffin-embedded tissue sections, and can also be used for dyeing of frozen tissue sections or cultured cells, and favorable conditions are provided for rapid and accurate clinical pathological diagnosis.
Owner:杨海玉

Binocular pupil light reflex tracking system

The invention discloses a binocular pupil light reflex tracking system. The binocular pupil light reflex tracking system comprises a grabbing type binocular pupil detection device imaging system and a pupil tracking and measuring module. The imaging system comprises two infrared cameras, two infrared lighting light sources, two stimulation light sources, a grabbing type device and a single-chip microcomputer. The infrared cameras, the lighting light sources, the stimulation light sources and the single-chip microcomputer are integrated in the grabbing type device, the cameras and the light sources are connected with the single-chip microcomputer, and the single-chip microcomputer is in charge of signal control and data input and output. The pupil tracking and measuring module is integrated in the single-chip microcomputer, images collected by the single-chip microcomputer are tracked and measured, and the measuring result is analyzed. The system further comprises a movable seat matched with a handle, and a suspension assembly. The system is high in adaptability, capable of being applied to first-aid and field occasions and the like, and wide in application prospect.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Detector for prestressed pipeline

The invention discloses a detector for a prestressed pipeline. The detector mainly comprises a pipeline probe car (1) provided with a camera. The camera is a camera device for shooting pictures in the pipeline, and the pipeline probe car (1) moves in the pipeline for shooting the pictures in the pipeline. The pipeline probe car (1) comprises a cylinder (11) and an end cap (12) for sealing an open end of the cylinder (11), a cylindrical structure with an open end and a cavity inside is formed, and a plurality of retractable car wheels (2) arranged in order are further disposed outside the cylinder (1). The retractable car wheels have moderate retractility, so car jamming doesn't happen even if bends exist inside the pipeline. Meanwhile, by the aid of the detector for the prestressed pipeline, deforming condition of ducts inside the pipeline can be discovered timely, and engineers can timely analyze and accurately judge the inside condition of the pipeline according to images returned from the inside high-pixel camera.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP OF THE FIFTH ENG

Board level circuit testing model automatic generation method

The invention discloses a board level circuit testing model automatic generation method. According to the board level circuit testing model automatic generation method, an XML label is arranged for board level circuit information, the board level circuit information is stored as an XML file, the connecting mode among modules in each layer of circuit board is stored as an adjacent matrix, all the modules of each layer of circuit board are ranked according to the connecting relation recorded in the adjacent matrix, position coordinates of each module are determined in sequence according to an obtained module sequence to complete an initial layout of a model of each layer of circuit board, the number of cross connecting lines between two adjacent lines is reduced to the minimum through the method of layout optimization, and the final layout of the model of each layer of circuit board is obtained. Through the board level circuit testing model automatic generation method, the board level circuit testing model can be automatically generated, the workload for staff is lightened, and the obtained board level circuit testing model is clear and easy to observe and analyze through the module ranking and layout optimization.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Gridding information monitoring system

The invention relates to a grid information monitor system, which comprises: a monitor engine module to control system running, an affair collection module connected to the former module to acquire monitor affair information of network node form server; a service interface module connected to the former module to provide interface for query or service end information on receive network; and an affair consumption module connected to the affair collection module to treat and preserve the original information. This invention can provides variation of whole network system topological structure as well as information of every node for detection and analysis, and benefit to understand network running state and history visually.
Owner:BEIHANG UNIV

Method of extracting and separating nano-scale precipitates in steel by means of organic electrolyte

The invention discloses a method of extracting and separating nano-scale precipitates in steel by means of an organic electrolyte. The method includes the steps of: 1) performing constant-voltage electrolysis with a to-be-extracted steel material as an anode and a stainless steel cylinder as a cathode at a constant temperature to prepare an organic electrolyte which contains the nano-scale precipitates in steel; 2) performing magnetic separation to the organic electrolyte and performing primary filtration through a polyvinylidene fluoride membrane and secondary filtration through a polycarbonate membrane to obtain the nano-scale precipitates in steel; and 3) adding the nano-scale precipitates in steel into anhydrous ethanol, in which a surfactant is added, to perform ultrasonic dispersion, thus obtaining a turbid liquid containing the nano-scale precipitates in steel. The method can completely and losslessly extract the nano-scale precipitates in steel and solves a problem that a conventional extraction method is liable to cause agglomeration of the nano-scale precipitates in steel. The method can be used for accurately detecting the component, size and three-dimensional appearance characters of the nano-scale precipitates in steel.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY

Sargassum horneri seaweed bed human-induced restoration device and restoration method thereof

The invention provides a sargassum horneri seaweed bed human-induced restoration device which comprises a secondary reef, an intermediate incubator and a primary reef, wherein the intermediate incubator comprises a protection body and a base; a cylindrical groove is formed in the center of the top surface of a base; the diameter of the protection body is the same as the diameter of the secondary reef and the inner diameter of the groove of the base; the secondary reef is arranged between the protection body and the base by virtue of the intermediate incubator; and the shape of the primary reef refers to two asymmetric triangular inclined surfaces which are connected with each other and are provided with connecting bolts and permeable holes. The invention also provides a sargassum horneri seaweed bed human-induced restoration method. The method comprises the following steps: performing seedling collection on the secondary reef, performing workshop cultivation, then cultivating in the intermediate incubator with a low tidal region between tides, fixing the secondary reef on the primary reef, and throwing into the seabed target restoration position. According to the device and method disclosed by the invention, the healthy and strong degree of seedlings can be enhanced, the probability of seedling removal is effectively reduced after the seedlings are put into the sea, and the survival rate of the seedlings at the seabed is improved; and moreover, the secondary reef is convenient to mount and detach, and even if the secondary reef is put into the seabed along with the primary reef, the secondary reef can be manually taken down, and later tracing observation is conveniently realized.
Owner:MARINE BIOLOGY INST OF SHANDONG PROVINCE

Intelligent assistant diagnosis system for skin ulcer with machine vision 3D reconstruction technique

InactiveCN108742519AIntuitive Research Observation MethodSimple research observation methodDiagnostic signal processingSensors3d imageTherapeutic effect
The invention relates to an intelligent assistant diagnostic system for skin ulcer with a machine vision 3D reconstruction technique. A calibration method is adopted and the internal and external parameters of two cameras are obtained respectively; through a set of fixed points in the same world coordinate system, the position relation between the two cameras is set up, through a 3D reconstructionmodel, the color feature of a wound surface, a 3D surface area feature and a texture feature of the wound surface are digitally extracted, at the same time, the color characteristics of the ulcer wound in traditional Chinese medicine are digitally converted, and the therapeutic effect is dynamically evaluated by using the change of skin wound characteristics. The intelligent assistant diagnosticsystem has the advantages that the surface shape and surface area information of chronic wound surface can be calculated directly, which provides the digitized basis for the diagnosis and treatment ofulcer in traditional Chinese medicine, so as to create a more direct and convenient observation and evaluation method for the diagnosis and treatment of chronic ulcer, at the same time, the system accumulates 3D image information, thus establishing a first digital differentiation AI resource database of skin ulcer in the whole process of treatment.
Owner:YUEYANG INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE HOSPITAL SHANGHAI UNIV OF CHINESE TRADITIONAL MEDICINE

Portable binocular pupil detection device

The invention discloses a portable binocular pupil detection device. The portable binocular pupil detection device comprises a grabbing type binocular pupil detection equipment imaging system and a pupil tracking and measuring module. The imaging system comprises two infrared cameras, two infrared illumination light sources, two stimulation light sources, grabbing equipment and a single-chip microcomputer, wherein the infrared cameras, the illumination light sources, the stimulation light sources and the single-chip microcomputer are integrated in the grabbing equipment, the cameras are connected with the light sources and the single-chip microcomputer, and the single-chip microcomputer takes charge of control of signals and input and output of data; the pupil tracking and measuring module is integrated on the single-chip microcomputer, images collected by the single-chip microcomputer are tracked and measured, and the measurement result is analyzed and processed. The portable binocular pupil detection device is high in portability and can be applied to the occasions of emergency rescue, fields and the like, the measurement result is accurate and visual, and the portable binocular pupil detection device has broad application prospects.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

An unsteady flow visualization method for an aero-engine compressor

The invention discloses an aero-engine compressor unsteady flow visualization method which comprises the following steps: taking a single-channel grid as an input / output full-ring grid, and marking acompressor blade row where each grid block is located; Distributing all the grid blocks to different processes, independently outputting the flow field on the distributed grid blocks by each process when the flow field is stored, and establishing a folder for each leaf row; sequentially reading the flow field data of each blade row, and calculating flow field parameters; and outputting a flow field visualization file according to the interface standard of the visualization software Tecplot. The system has the capability of visualizing unsteady mass flow field data of the multi-stage compressoron a single machine; the multi-stage compressor has the capability of extracting and independently processing any blade row in the multi-stage compressor; the method has the capability of automatically extracting the two-dimensional tangent plane and the capability of reducing the size of the flow field file by about one order of magnitude.
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT

Detection device for bulletproof performance of bulletproof ceramic

The invention discloses a detection device for bulletproof performance of bulletproof ceramic. The device comprises a placing table; two supporting plates are welded to one side of the top end of theplacing table; a bulletproof ceramic body is connected into each supporting plate; a disassembly and assembly module is installed between the supporting plate and the bulletproof ceramic body; the interior of the disassembly and assembly module comprises a guide pipe connected with the interior of the supporting plate in an embedded mode; the interior of the guide pipe is in threaded connection with a T-shaped threaded rod; one end of the T-shaped threaded rod is fixedly connected with a connecting piece, and the other end of the connecting piece is connected with a C-shaped plate in a weldedmode. According to the invention, under the action of the disassembly and assembly modules, the bulletproof ceramic bodies in the C-shaped plates can be fixed by driving the clamping plates by rotating first hand-screwed bolts; gunshot detection can be carried out on the bulletproof ceramic bodies by fixing the bulletproof ceramic bodies; the distance between the two C-shaped plates can be adjusted by rotating the T-shaped threaded rods; and the bulletproof ceramic bodies of different sizes can be conveniently detected and fixed by the device.
Owner:内蒙古衡科特陶新材料有限公司

Electric locomotive power factor compensation control method and device

The invention discloses a power factor compensation control method of an electric locomotive and a device thereof. According to the detection of network voltage and the current flowing into the locomotive, spectral analysis is carried out; by reading active power and reactive power, a power factor is calculated; and then the switching of a power compensation branch is decided according to the power factor and the network voltage; according to the voltage polarity of a thyristor switch of the power compensation branch, the switch pulse of the thyristor is decided; by collecting the current of the branch and making spectral analysis, whether the current is overcurrent or not is judged; if the current is overcurrent, the reasons thereof can be analyzed and relevant protective measures can be taken; and then information on the working state of a power factor compensation device, the network voltage, the current of the locomotive, the current of each branch can be transmitted to a locomotive microcomputer monitor by a communication mouth and displayed by the monitor. The power compensation control device consists of two 6U board plug-ins. One 6U board plug-in is an interface board which comprises a treatment part of an input / output analog signal and a digital signal; the other 6U board plug-in is a control board which comprises a power calculation part of the active power and the reactive power, a switching part of a power factor compensation branch and a failure treatment part.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO +1

Method and apparatus for identifying connection relationships between components in power distribution network

The present invention provides a method and apparatus for identifying connection relationships between components in a power distribution network. The method includes the following steps that: the power flow distribution relationship of a target component in pre-stored power distribution network information is obtained; the connection attributes of the target component are obtained according to the power flow distribution relationship; all reference components which are located in the same connection network with the target component are identified in the power distribution network according to the connection attributes; and the connection relationships between the target component and all the reference components are highlighted. According to the method and apparatus provided by the technical schemes of the invention, the connection relationships between the target component and all the reference components which are located in the same connection network with the target component are highlighted; workers can obtain the relevant connection relationships quickly and accurately just through selecting the target component; a highlighted display mode makes the connection relationships of the components in the connection network more clear and intuitive; and therefore, errors caused by manual identification can be avoided, the identification efficiency of the connection relationships of the power distribution network can be improved, and the power outage time of the fault of the power distribution network is greatly decreased.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Infantile fingerprint testing and finger vein acquisition and recognition equipment and method

The invention relates to infantile fingerprint testing and finger vein acquisition and recognition equipment and an infantile fingerprint testing and finger vein acquisition and recognition method. The infantile fingerprint testing and finger vein acquisition and recognition equipment is provided with a base part, vertical pillar parts and a lifting holder part, and the infantile fingerprint testing and finger vein acquisition and recognition equipment further comprises CCD camera equipment, image display equipment and a computer processing terminal which is used for observing, diagnosing, segmenting, clustering, computing and identifying acquired fingerprint and finger vein images. The equipment has the advantages that the equipment is small in size and has a portable function; the images are clear and the images, which can undergo amplification processing and color intelligent contrast, are conducive to observation and analysis as well as to diagnosis by virtue of doctors; and acquired data can be transmitted to the computer processing terminal, and by virtue of the computer, the images can be segmented, clustered, computed and identified, so that error judgment and error recognition of a conventional diagnosis technology can be avoided to the greatest extent.
Owner:YUEYANG INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE HOSPITAL SHANGHAI UNIV OF CHINESE TRADITIONAL MEDICINE

Analysis system of dynamic health information of expressway bridges and tunnels

InactiveCN108919681AMonitoring bridge and tunnel safety and health information dataReal-time control of security informationMeasurement devicesRoad vehicles traffic controlVideo monitoringInformation data
The invention relates to the field of safety and health management of bridges and tunnels, in particular to an analysis system of dynamic health information of expressway bridges and tunnels. The analysis system comprises a monitoring module, a communication module, an analysis module, a display module and a storage module. The monitoring module for collecting bridge tunnel site monitoring data isconnected with the analysis module through the communication module, the analysis module for analyzing and processing the monitoring data is connected with the display module and the storage module,and the storage module for retrieving the monitoring data for viewing is connected with the display module. The analysis system of the dynamic health information of the expressway bridges and tunnelsutilizes the monitoring module, and correspondingly adopts sensor detection, video monitoring and manual monitoring methods to monitor a large amount of bridge and tunnel safety and health informationdata. The sensor detection and video monitoring methods adopted in the monitoring module use medium / long distance wireless equipment to transmit data to a central processing unit for data processing,and thus real-time monitoring is realized.
Owner:宿州云宏建设安装有限公司

Teaching and experiment method of automatic control theory

The invention relates to a teaching and experiment method of an automatic control theory, belonging to the technical field of teaching and experiment instruments. The teaching and experiment method adopts a wireless way to realize that one machine controls a plurality of points or a plurality of machines control one point to control hardware of every teaching and experiment point to finish variousteaching experiments of the automatic control theory through an external computer. After simulation experiment control software is written into the hardware of the teaching and experiment point, thesimulation experiment control software can be independent of the hardware to finish various simulation teaching experiments of the automatic control theory, and the support of the simulation experiment control software is not needed. The hardware of the teaching and experiment point can finish various teaching experiments of the automatic control theory, and the software and the hardware of the teaching and experiment point are combined to finish various teaching experiments of the automatic control theory. The invention provides the teaching and experiment method of the automatic control theory with innovative ideas, and the method overcomes various deficiencies or shortcomings existing in the prior teaching method and brings forth, designs and develops a new regeneration product of theteaching and experiment method of the automatic control theory, thereby having significance for the level of modernization of the teaching and experiment instruments of China.
Owner:ZHONGBEI UNIV

Optical power meter technology-based method for detecting interface bonding state of laser scratch

The invention discloses an optical power meter technology-based method for detecting the interface bonding state of a laser scratch and relates to the technical field of laser detection and material performance detection. In the method, the intensity change of reflected light on a loading point of a coating under laser loading is detected by using an optical power meter on line and in real time so as to obtain the critical point of an interfacial failure and interface bonding intensity is represented by a laser power parameter corresponding to the critical point. A measure result is laser quasi-static loading, so that the critical value of coating (membrane) stripping is less than a dynamic measured value and is closer to a practical interface bonding intensity.
Owner:JIANGSU UNIV

Medical device for medical image analysis

PendingCN109283687AGood for observation and analysisEasy to paveOptical elementsImage analysisMagnet
The invention discloses a medical device for medical image analysis. The medical device includes a light box; transparent sheets are arranged on two sides of the light box; illumination tubes are arranged on inner upper and lower ends of the transparent sheets; a concave groove is formed in an upper end of one side of the light box; a limiting plate is movably connected in the concave groove; oneside of the limiting plate is fixedly connected to a linkage rod; one end of the linkage rod is fixedly connected to a first clamping plate; T-shaped sliding grooves are formed in the lower end of oneside of the light box; T-shaped sliding blocks are movably connected in the T-shaped sliding grooves; the tops of the T-shaped sliding blocks are fixedly connected with a second clamping plate; magnets are arranged on the bottoms of the T-shaped sliding grooves; and a metal hose is arranged on the other side of the light box, and a flashlight is arranged on one end of the metal hose. The flashlight arranged on the back of the light box through the metal hose can locally irradiate the CT piece, and facilitates observation and analysis.
Owner:翟树校

Water pressure resistance test device and test method for seam sealing glue

The invention relates to a water pressure resistance test device and test method for seam sealing glue. The device comprises a test table, a concrete sample layer, a fixed frame, a transparent pressure barrel, a water injection pressurizing device, and a counting cup, wherein the bottom of the transparent pressure barrel is provided with an exhaust valve communicated with the inner cavity of the transparent pressure barrel, the water injection pressurizing device comprises a booster pump and a water convey pipe, a water injection valve is installed in the center of the bottom of the transparent pressure barrel, the concrete sample layer comprises two rectangular concrete plates and a sealing glue layer between the two concrete plates, the fixed frame comprises a bottom plate, the center ofthe bottom plate is provided with a rectangular through hole, two ends of the through hole are separately provided with a limit block, two sides of the bottom plate are provided with a block plate separately, and the center of the surface of the test table is provided with an observation port. The water pressure resistance test device for the seam sealing glue has advantages of simple structure,repeated use for tests, low cost, high operability, and high accuracy of test results.
Owner:安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站)

Thermal shock test device and thermal shock test method for diesel engine

The invention discloses a thermal shock test device for a diesel engine, wherein the diesel engine is connected to a lower computer measurement and control system; the lower computer measurement and control system is connected to a host computer monitoring system; the upper computer monitoring system sets a running command and a temperature range command of the diesel engine, and sends the commands to the lower computer measurement and control system; the lower computer measurement and control system runs the diesel engine according to the commands of the upper computer monitoring system, measures the operating parameters and temperature parameters of the diesel engine in real time during the operation, and transmits the parameters to the upper computer monitoring system; the upper computer monitoring system monitors the ambient temperature parameters, determines the ambient temperature parameters in combination with the operating parameters and temperature parameters of the diesel engine, and feeds the result back to the lower computer measurement and control system; and the lower computer measurement and control system adjusts the operation of the diesel engine according to the feedback information, and balances the current temperature range. The thermal shock test device for a diesel engine has a good application prospect in the thermal impact test of the diesel engine.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Method for fitting and inversing sea level horizontal atmosphere extinction coefficient

The invention discloses a method for fitting and inversing a sea level horizontal atmosphere extinction coefficient, belonging to the atmosphere optical measurement field. The method for fitting and inversing a sea level horizontal atmosphere extinction coefficient comprises steps of calculating to obtain a slop method extinction coefficient and a Fernald method extinction coefficient, comparing a slop method extinction coefficient with a Fernald method extinction coefficient in order to determine uniformity of the sea level horizontal atmosphere extinction coefficients , if the sea level horizontal atmosphere extinction coefficients are not uniform, performing re-segmentation on whole segment echo signal data, calculating the goodness of fit of each data segmentation, segmenting a data segment corresponding to a maximum fit goodness value to obtain an optimal boundary value fitting area, adopting a double-component fitting method to fit an extinction coefficient boundary value in an optimal boundary value fitting area, taking the boundary value of the extinction coefficient as a boundary value of inversion, adopting the Fernald method to perform iteration inversion to obtain the extinction coefficient value of each data segment so as to obtain an extinction coefficient profile. The method for fitting and inversing sea level horizontal atmosphere extinction coefficient is applicable to measuring sea level non-uniform horizontal atmosphere extinction coefficients.
Owner:中国人民解放军92232部队

An enterprise big data analysis system and method

The invention discloses an enterprise big data analysis system and a method, comprising a data acquisition and analysis system, a data transmission terminal and a data extraction and display system, wherein the data acquisition and analysis system comprises a data acquisition unit, a data sorting unit, a comparative analysis unit and a data positioning unit. The invention analyzes and sorts the collected enterprise data information, select the sorted data information, and the data after analysis and collation are collated and positioned with the data in the database, Generate fetch instruction, Add withdrawal permission, and put it in the database, not only avoiding the confusion of the collected and sorted data in the database, At the same time, the data information can be extracted accurately by the data extracting unit, and displayed by the data displaying unit in the form of table, picture or text, which is convenient for observation and analysis, and also makes the data information of the whole enterprise have the orderliness, and achieves the effect of data integration and analysis.
Owner:江苏一站企动网络科技有限公司

ECT image reconstruction method based on deconvolution network

PendingCN111462262AAdd Spatial Feature ExtractionHigh-precision image reconstructionReconstruction from projectionNeural architecturesNetwork modelEngineering
The invention relates to the field of motion rules of two-phase flow, in particular to an ECT image reconstruction method based on a deconvolution network. The method comprises the following steps: S1, establishing a mathematical model for ECT image reconstruction through a deconvolution network solution formula; S2, randomly generating geometric parameters to build a geometric model, and manufacturing label data and training data; S3, building a deconvolution network model; S4, training by using the built deconvolution network model; and S5, realizing ECT image reconstruction by using a deconvolution network. According to the invention, the deconvolution network is used to extract the truly distributed spatial features, the feature extraction capability is enhanced, and for a local application scene, high-precision image reconstruction can be realized without sensitive field priori. The quality of the image is better than that of the prior art, the 2D image of the pipeline section canbe dynamically presented, and monitoring personnel can conveniently analyze the motion law of the two-phase fluid.
Owner:XIAN UNIV OF SCI & TECH

Impact test machine with replaceable impact head

The invention discloses an impact test machine with a replaceable impact head. The impact test machine includes a rack, and the rack includes slide rods, a transverse rod, a transmission device, a motor, a control displayer, a transmission rod, a support rod, slide sleeves, an impact pump, an impact rod, a control element, the impact head and a base; the two sides of the bottom end of the transverse rod are each provided with the slide rod; the bottom ends of the slide rods are provided with the base; the center of the upper end of the transverse rod is provided with the transmission device; the left side of the transmission device is provided with the motor; the right side of the upper end of the transmission device is provided with the control displayer; the transmission rod is arrangedon the transmission device and penetrates through the transmission device and the transverse rod; the bottom end of the transmission rod is provided with the support rod; the two ends of the support rod are each provided with the slide sleeve, and the slide sleeves sleeve the slide rods; the center of the bottom end of the support rod is provided with the impact pump; the bottom end of the impactpump is provided with the impact rod; the bottom end of the impact rod is provided with the control element; the bottom end of the control element is provided with the impact head; the bottom end of the impact head is provided with a pressure sensor.
Owner:SUZHOU ITIS ELECTRON MFG TECH
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