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Cut-and-fill three-dimensional simulation test device and method
ActiveCN102182509ASimple structureCompact and reasonableMining devicesMaterial fill-upCoalField conditions
Owner:CHINA UNIV OF MINING & TECH
Device and method for carrying out filling mining plane strain simulation test
ActiveCN102402892AAvoid scatterReal-time monitoring of displacement changesEducational modelsAngle modulationCoal
The invention relates to a device and a method for carrying out filling mining plane strain simulation test. The device comprises a test model frame filled with emulated coal and rock seams. An emulated filling mining simulation system is arranged at the position of the emulated coal seam of the test model frame. The top of the test model frame is connected with an equivalent loading system. The emulated filling mining simulation system is connected with an information acquisition system. Equipment arranged on a support frame, such as a simulation fully-mechanized filling bracket and the like, is utilized to carry out analog simulation on fully-mechanized filling mining. An included angle between the emulated rock seam and the horizontal ground is changed by moving a positioning block arranged on an angle modulation screw for simulating the movement condition of the overlaying rock seam in the fully-mechanized filling process of the inclined or steep coal seam. Filling bodies and the variation conditions of a pressure and a displacement in the overlaying rock seam in the filling process can be monitored in real time by the information acquisition system, so that the filling miningfield condition is really reflected. The device for carrying out filling mining plane strain simulation test has simple, compact and reasonable structure, stable and reliable test method and high practical value.
Owner:CHINA UNIV OF MINING & TECH
Carbonaceous shale isothermal adsorption/desorption experimental device
The invention provides an experimental device for testing adsorption / desorption amounts of gas on carbonaceous shale and adsorption / desorption curves. The device is mainly composed of real triaxial core clamping and compression system, a system pressure sensor, a system temperature sensor, an inlet end high-grade pressure gauge, an inlet end high-precision gas mass flow meter, an outlet high-precision gas mass flow meter, a vacuum pump, a high pressure helium tank, a high pressure to-be-measured gas cylinder, a thermostat, a corresponding pipeline and a valve. A carbonaceous shale test piece is placed in the real triaxial core clamping and compression system. An initial measuring condition of the test piece is set according to a real formation condition. After free pore volume is set, an adsorption / desorption test of the test piece is performed. According to a gas cumulative discharge value and a balanced system pressure value which are measured and recorded by the inlet end high-precision gas mass flow meter or the outlet end high-precision gas mass flow meter end and the system pressure sensor, adsorbed gas volume is calculated so that the isothermal adsorption / desorption curve of the carbonaceous shale test piece is drawn.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Natural wind simulating device and method thereof
InactiveCN101749839ATrue reproductionReduce lossSpace heating and ventilation safety systemsLighting and heating apparatusElectric machineMotor control
The present invention discloses a natural wind simulating device. The device comprises a motor, a control device and a sensor, wherein the control device is connected to the motor, and used for outputing motor control signals so as to control the rotating speed of the motor; the sensor is connected to the control device, and used for detecting the status information of the motor and feeding the status information back to the control device; the rotating speed of the motor is controlled by the control device according to the status information.
Owner:GREE ELECTRIC APPLIANCES INC
Real-time 3D nuclear radiation environment reconstruction monitoring system
ActiveCN104932001AQuickly understand the radiation dose situationSolve real-time monitoringX/gamma/cosmic radiation measurmentNuclear radiationMonitoring system
The invention discloses a real-time 3D nuclear radiation environment reconstruction monitoring system which is used for establishing 3D nuclear radiation dose distribution of a monitored nuclear radiation environment in real time. The system is characterized by establishing a realistic 3D environment model possessing of the monitored nuclear radiation environment under a reference coordinate system; through a nuclear radiation sensor loaded by a mobile robot, collecting nuclear radiation dose data of different space position of the monitored nuclear radiation environment under the reference coordinate system and using the nuclear radiation dose data to establish a nuclear radiation dose model of the monitored nuclear radiation environment under the reference coordinate system; carrying out point-to-point data fusion on the nuclear radiation dose model of the monitored nuclear radiation environment and the 3D environment model so as to establish 3D nuclear radiation dose distribution of the monitored nuclear radiation environment. By using the monitoring system, 3D space distribution of real-time reconstruction radiation dose is realized; visualization is possessed so that work personnel can know a nuclear radiation condition of each position in the monitored nuclear radiation environment.
Owner:SICHUAN DEMAKE ROBOT TECH CO LTD
Small vertical oceam current analogue simulator
A vertical annular flume is setup inside upright tank. Variable frequency controlled driving motor connected to a frequency governor is fixed on upper and right side of the flume. Lower part of pump impeller driven by motor is connected to low supporter of water lubricating bearing fixed on the flume. Sensor for detecting flow velocity is connected to a display. Bafflers of eliminating vortex are on low part, and planks for equalizing flow are up and low part on left side in flume. Water drain valve and grille are setup inside flume. The invention is able to reproduce dynamic ocean current, possessing features of small floor space and energy consumption.
Owner:张雪明
Online power station main steam flow calculation method based on flow correction
ActiveCN104748807AImprove accuracyDynamic response in timeIndirect mass flowmetersCorrelation coefficientPower station
The invention relates to an online power station main steam flow calculation method based on flow correction. According to the method, an online main steam flow calculation model is corrected through a mass flow balance equation, the model finishes flow calibration on the basis of condensate water flow measured by a spray nozzle, under the different load working conditions, iteration method verifying calculation is utilized to obtain the main steam flow value, the Friuli Greig formula is corrected through the verified main steam flow measuring value, and finally an online main steam flow calculation model is built and obtained. By means of the method, the change tendency of the main steam flow can be reflected quickly, and meanwhile the high accuracy of the flow can be guaranteed. Considering the situation that sensor drift distortion occurs in a field adjusting level pressure measuring point, whether the adjusting level pressure value is distorted or not is judged according to the association coefficient, accordingly an adjusting level pressure soft measurement replacement solution is proposed, and the stability of an online main steam flow calculation module is guaranteed. The online main steam flow calculation strategy can be referred to by a power station and be used for conducting economic analysis.
Owner:SOUTHEAST UNIV +1
Sand table system based on VR (virtual reality) interactive mode and application thereof
InactiveCN102654953AStrong sensory impactRealistic sensory impactAdvertisingDisplay meansClient-sideHuman system interaction
The invention relates to a sand table system based on a VR (virtual reality) interactive mode and application thereof. The system comprises a sand table, a sand table projector, a sand table player, a circular screen, a circular screen projector, a circular screen player, an edge blending machine, a controller side and a client-side controller, wherein the controller side is connected with the sand table player and the circular screen player respectively; the circular screen player is connected with the circular screen projector through the edge blending machine; the sand table player is connected with the sand table projector; and the client-side controller is connected with the controller side. The application is as follows: the controller side controls the circular screen projector and the sand table projector to synchronously play the multimedia content selected by the user according to a control instrument sent by the client-side controller. Compared with the prior art, the system and application provided by the invention can bring strong and vivid sensory impact to users, can realize human-machine interaction for one or more people, and are convenient for the public to understand the intention of the designer.
Owner:SHANGHAI HUABO INFORMATION SERVICE
Digital human body modeling method for assigning density, constituent by CT value
The invention discloses a digital body modeling method for using CT values to endow density and composing components, comprising: after obtaining a colorful picture and a CT film of human body, registering and dividing the colorful picture, marking important organs or tissues of human body; converting the CT values of the CT film after colorful picture registration, to obtain the density and composing components of the organs or tissues. The inventive digital body model can actually represent the three-dimension geometric information of human body, and can actually represent the internal anatomical structure of human body, which can be used to evaluate body radiation dose in nuclear medicine and radiation protection fields.
Owner:INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
Android based audio and video streaming push method and device as well as Android based audio and video streaming playing method and device
InactiveCN106358050AImprove securityGuaranteed concurrencySelective content distributionPersonalizationComputer terminal
The invention discloses an Android based audio and video streaming push method and device as well as an Android based audio and video streaming playing method and device. The Android based audio and video streaming push method comprises steps as follows: a push terminal collects audio data and video data through an audio collection unit and a video collection unit respectively; the push terminal encodes and compresses the collected audio data and video data through an own encoding unit; the push terminal sends a data push request to the background; the background acquires an identification code of the push terminal, judges whether the push terminal has a push permission and returns permission information to the push terminal; if the permission information indicates 'allowed', the push terminal transmits the compressed audio data and video data to the background for storage. The audio and video streaming collected by an Android mobile terminal can be pushed or played, sharing of audio data and video data is conveniently realized, and the audio data and the video data collected by the Android mobile terminal are shared and subjected to live broadcasting, so that individual needs of users are effectively met.
Owner:GUANGZHOU COLLEGE OF SOUTH CHINA UNIV OF TECH
Spatial conversion method of three-dimensional holographic colors
InactiveCN104166336AExpand Chroma and SaturationHigh saturationInstrumentsChromatic contrastRG color space
The invention discloses a spatial conversion method of three-dimensional holographic colors, and the method includes the steps of: S1. converting an RGB color space to an XYZ color space; specifically, using three lasers to emit laser beams which are red, green, and blue respectively and have corresponding wavelengths; determining coordinates of the XYZ color space obtained by conversion; and determining chromaticity diagram coordinates of three-primary colors emitted by the three lasers and white balance; S2. converting the XYZ color space to the RGB color space; specifically, obtaining the chromaticity diagram coordinates of three-primary colors emitted by the three lasers and white balance according to the step S1, and acquiring a conversion matrix of conversion to the RGB color space from the XYZ color space; and S3. according to the conversion matrix obtained by the step S2, restoring color information. The spatial conversion method of three-dimensional holographic colors in the invention greatly reduces influence of background light on chromatic aberration, conversion of color spaces are no longer limited in a standard RGB space, color information of an original object can be truly reproduced, and at the same time, laser can serve as primary colors of the background light, chroma and saturation of colors reproduced in the RGB space by equipment are enlarged.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Intelligent environment control system
InactiveCN104181871ATrue reproductionTotal factory controlProgramme total factory controlAmbient intelligenceEquipment use
The invention provides an intelligent environment control system. The system includes: an environmental data acquisition device used for obtaining environmental data of a three-dimensional scene; an environment modeling platform connected with the environmental data acquisition device and used for performing three-dimensional modeling to obtain model data of the three-dimensional scene according to the environmental data obtained by the environmental data acquisition device; a control platform connected with the environment modeling platform and the environmental conditioning controller, used for displaying the three-dimensional scene according to the model data of the three-dimensional scene and also used for sending an environmental conditioning command to the environmental conditioning controller according to the model data and a prestored algorithm; and the environmental conditioning controller connected with external environmental conditioning equipment used for controlling corresponding environmental conditioning equipment to adjust environment of the three-dimensional scene according to the environmental conditioning command. By adoption of the technical scheme of the intelligent environment control system, modeling can be performed on the three-dimensional scene, thereby truly reproducing the three-dimensional scene, and thus the system can be applied to scenes with more complicated environments.
Owner:万克林
Animals and plants culture box with real-time field environment simulation function
ActiveCN106258633ATrue reproductionImprove protectionClimate change adaptationGreenhouse cultivationEcologySoil humidity
The invention provides an animals and plants culture box with a real-time field environment simulation function, relates to a field environment monitoring and simulating device, and solves the technical problem that wild animals and plants are hard to survive in indoor environment in the prior art. The animals and plants culture box comprises a field environment acquisition device and a field environment simulation culture box body, data acquired by the field environment acquisition device and data signals acquired are transmitted to a wireless receiving module of the field environment simulation culture box body through a first single-chip microcomputer and a wireless transmitting module, signals received are processed and analyzed through a second single-chip microcomputer, and then culture parameters of the field environment simulation culture box body are adjusted automatically. Field survival environment for animals and plants are simulated to the uttermost extent from the aspects such as illumination intensity, air temperature, air humidity, soil temperature, soil humidity and wind strength, field environment can be presented truly, successive indoor culture of massive small animals and plants or microorganisms difficult to culture is realized, and protection and in-depth study on field plants and animals are promoted.
Owner:SHANXI UNIV
Measuring method for isothermal adsorption/desorption curve of coaly shale
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
True radiographic image acquisition method
The invention provides a true radiographic image acquisition method, which comprises the following steps of: 1, establishing a digital surface model, and superposing a digital elevation model and a digital building model DBM to form the digital surface model required by ture radiographic image acquisition; 2, performing sight line analysis, and establishing a two-dimensional index matrix of the main image for recording the visibility of the main image; 3, according to a shielding detection algorithm, back-projecting all object space points in combination with internal and external orientationelements, judging whether the points are visible or not in combination with the states of the pixel points in the step 1, and further recording a detected shielding area; 4, because the sizes and theresolutions of the index map and the real image are the same, recording the positions of the shielding areas, projecting the shielding areas detected in the step 3 to the adjacent images except the main image, filling the invisible shielding area of the main image according to the index map, and reparing the texture of the shielding areas; step 5, carrying out color consistency processing; and 6,carrying out image mosaic.
Owner:AERIAL PHOTOGRAMMETRY & REMOTE SENSING CO LTD +4
Method of generating ISO media file from RTP packets in stream media technique
The invention discloses a method for processing an ISO media document according to a RTP packet of a streaming media technology, which comprises the following steps: boundary of a fluidization sample is determined; sampling data of a virtual media sample is generated; serial numbers of the virtual media sample is determined; data of the fluidization sample is generated; a media document is generated according to the format of the ISO media document; the generated media document is read by a streaming media server. Compared with the prior art, the method simplifies the processing flow so that the specific coding format can be unconcerned. The load data of an original RTP is basically preserved which can reappear truly the original RTP data. Besides, the method has a good expansibility and a good compatibility for coding format expanded afterwards.
Owner:ZTE CORP
Method for generating ISO media file according to RTP package and reading method thereof
The present invention discloses a method of generating ISO media files according to RTP packet, having the following steps of determining the boundary of a fluidized sample, generating sampled data of a virtual media sample, determining the sequence number of the virtual media sample and generating the data of the fluidized sample. The present invention further comprises the steps of generating a media file according to the regulation of ISO media file format and reading the generated media file through a streaming media server. The present invention also discloses a method of reading generated media files through a streaming media server. Compared with the prior art, the present invention simplifies processing flow, can pay no attention to concrete coding format, basically preserves the prior RTP load data, and can truly reproduce the prior RTP data. Moreover, the method has good expansibility, and can be easily compatible with coding formats expanded afterwards.
Owner:ZTE CORP
Power cable fault simulation test simulation system
ActiveCN103617754BQuick and proficientReal scene environmentCosmonautic condition simulationsSimulatorsWireless routerPower cable
The invention relates to a fault simulation and test simulation system for power cables. The fault simulation and test simulation system for the power cables is characterized by comprising a wireless router which can communicate with a host, a cable fault simulation cabinet and a cable fault simulation range finder; the cable fault simulation cabinet includes a cable test terminal cabinet, a cable fault setting cabinet and a cable terminal cabinet; and the cable fault setting cabinet includes a central control unit connected with an A-phase position detection and fault simulation module, a B-phase position detection and fault simulation module and a C-phase position detection and fault simulation module, and the central control unit is connected with a wireless module to facilitate communication of the cable fault simulation cabinet and the wireless router. The system is easy to operate, cable fault types and fault distances can be set at will through software, and common cable faults can be reproduced in a comparatively real way.
Owner:STATE GRID CORP OF CHINA +3
Device and method for carrying out filling mining plane strain simulation test
ActiveCN102402892BAvoid scatterReal-time monitoring of displacement changesEducational modelsAngle modulationCoal
Owner:CHINA UNIV OF MINING & TECH
Method for generating ISO media file according to RTP package and reading method thereof
The present invention discloses a method of generating ISO media files according to RTP packet, having the following steps of determining the boundary of a fluidized sample, generating sampled data of a virtual media sample, determining the sequence number of the virtual media sample and generating the data of the fluidized sample. The present invention further comprises the steps of generating amedia file according to the regulation of ISO media file format and reading the generated media file through a streaming media server. The present invention also discloses a method of reading generated media files through a streaming media server. Compared with the prior art, the present invention simplifies processing flow, can pay no attention to concrete coding format, basically preserves the prior RTP load data, and can truly reproduce the prior RTP data. Moreover, the method has good expansibility, and can be easily compatible with coding formats expanded afterwards.
Owner:ZTE CORP
Natural wind simulating device and method thereof
InactiveCN101749839BTrue reproductionReduce lossSpace heating and ventilation safety systemsLighting and heating apparatusElectric machineMotor control
The present invention discloses a natural wind simulating device. The device comprises a motor, a control device and a sensor, wherein the control device is connected to the motor, and used for outputing motor control signals so as to control the rotating speed of the motor; the sensor is connected to the control device, and used for detecting the status information of the motor and feeding the status information back to the control device; the rotating speed of the motor is controlled by the control device according to the status information.
Owner:GREE ELECTRIC APPLIANCES INC
Image detection device
ActiveCN105957236AAvoid crosstalkAccurate and stable reproductionPaper-money testing devicesCharacter and pattern recognitionImage detectionComputer science
The invention discloses an image detection device comprising a reference part, a scanning part, and a light separation panel. The reference part is used for obtaining a brightness reference value; the scanning part is used for obtaining image information of a collected object; and the light separation panel arranged between the reference part and the scanning part is used for carrying out light separation on the reference part and the scanning part. With the device, stable image data collection can be realized; and influences of a temperature drift and a time drift can be reduced.
Owner:JULONG +2
A real-time 3D nuclear radiation environment reconstruction monitoring system
ActiveCN104932001BQuickly understand the radiation dose situationSolve real-time monitoringX/gamma/cosmic radiation measurmentNuclear radiationEnvironmental monitor
The invention discloses a real-time 3D nuclear radiation environment reconstruction monitoring system, which is used to establish the 3D nuclear radiation dose distribution of the monitored nuclear radiation environment in real time, and includes: establishing the monitored nuclear radiation environment in a reference coordinate system with A realistic 3D environment model; the nuclear radiation dose data of different spatial positions of the monitored nuclear radiation environment are collected in the reference coordinate system by the nuclear radiation sensor loaded on the mobile robot, and the nuclear radiation dose data are placed in the reference coordinate system Establish a nuclear radiation dose model of the monitored nuclear radiation environment; perform point-to-point data fusion of the nuclear radiation dose model of the monitored nuclear radiation environment and the 3D environmental model in the reference coordinate system, and establish a 3D image of the monitored nuclear radiation environment Nuclear radiation dose distribution. The monitoring system of the invention realizes real-time reconstruction of the 3D spatial distribution of the radiation dose, and has visualization, so that the staff can have a clear view of the nuclear radiation conditions in various places in the monitored nuclear radiation environment.
Owner:SICHUAN DEMAKE ROBOT TECH CO LTD
Gamma correction method of active Micro-LED display screen
InactiveCN111785200AImprove display image qualityMake up for the lossStatic indicating devicesOptical transfer functionBit plane
A Gamma correction method of an active Micro-LED display screen is characterized in that under the control of a sequential control circuit, a group of DDR3 storages are used to realize frame rate conversion of external video signals, so that the video signals are synchronized with display driving frame frequency of bit-by-bit scanning of sub-field weights; the synchronized video is transformed through a lookup table to realize Gamma correction; by changing a Gamma value, programming a data lookup table and changing an electro-optical transfer function in real time, the Micro-LED display screenhas higher adaptability to viewing environment requirements; an FRC + DP algorithm is applied to the video data subjected to Gamma transformation, an induction gray scale is generated, gray scale expansion is realized, and the gray scale lost due to Gamma correction is reduced; data after gray scale expansion is sent to the display drive circuit through storage and reading of bit plane video data, and an image display function is realized. According to the method, the gray scale lost due to Gamma correction is made up, the display image quality is improved, and the original scene can be trulyreproduced.
Owner:NO 55 INST CHINA ELECTRONIC SCI & TECHNOLOGYGROUP CO LTD
An Experimental System for Fragment Bed Formation Characteristics of Sodium Cooled Fast Reactor
ActiveCN106409349BApplicable to a wide range of researchThe results of the study are comprehensiveNuclear energy generationEmergency protection arrangementsData acquisitionSodium-cooled fast reactor
The invention provides an experimental system for the forming characteristic of a sodium-cooled fast reactor debris bed. The experimental system comprises an experimental support, a particle container, a particle conduit, a visual experiment container, a particle release controller, a visual data acquisition module, an environmental parameter detection module and a decay heat simulating generator, wherein the particle container and the particle conduit support multiple release apertures and release heights, an experimental particle system comprises various debris particles with different materials, shapes and sizes, visual experimental containers with different sizes are designed for two-dimensional and three-dimensional experiments, and the particle release controller and the visual data acquisition module can acquire and store images synchronously in the whole experimental process. The experimental system can be applied to researching and analyzing the forming mechanism of the fuel particle debris bed in the sodium-cooled fast reactor core disassembly accident process. The experimental system has the advantages that the experimental process is visual, qualitative analysis is combined with quantitative analysis, multiple controllable experimental variables exist, the operation principle is simple, the system is easy to expand, stable and safe and the like.
Owner:SUN YAT SEN UNIV
Digital human body modeling method for assigning density, constituent by CT value
The invention discloses a digital body modeling method for using CT values to endow density and composing components, comprising: after obtaining a colorful picture and a CT film of human body, registering and dividing the colorful picture, marking important organs or tissues of human body; converting the CT values of the CT film after colorful picture registration, to obtain the density and composing components of the organs or tissues. The inventive digital body model can actually represent the three-dimension geometric information of human body, and can actually represent the internal anatomical structure of human body, which can be used to evaluate body radiation dose in nuclear medicine and radiation protection fields.
Owner:INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
Small vertical oceam current analogue simulator
A vertical annular flume is setup inside upright tank. Variable frequency controlled driving motor connected to a frequency governor is fixed on upper and right side of the flume. Lower part of pump impeller driven by motor is connected to low supporter of water lubricating bearing fixed on the flume. Sensor for detecting flow velocity is connected to a display. Bafflers of eliminating vortex are on low part, and planks for equalizing flow are up and low part on left side in flume. Water drain valve and grille are setup inside flume. The invention is able to reproduce dynamic ocean current, possessing features of small floor space and energy consumption.
Owner:张雪明
An Online Calculation Method of Main Steam Flow in Power Station Based on Flow Correction
ActiveCN104748807BImprove accuracyDynamic response in timeIndirect mass flowmetersEngineeringIterative method
The invention relates to an online calculation method of main steam flow in a power station based on flow correction. The online calculation model of main steam flow is corrected by the mass flow balance equation. In this case, the iterative method is used to check and calculate the main steam flow value, and the calibrated main steam flow measurement value is used to correct the Fruger formula, and finally the online calculation model of the main steam flow is established. This method can not only quickly reflect the change trend of the main steam flow rate, but also ensure high accuracy of the flow rate. Considering the situation of sensor drift and distortion at the pressure measuring point of the on-site regulation stage, according to the correlation coefficient, it is determined whether the pressure value of the regulation stage is distorted, and then a soft measurement alternative for the pressure of the regulation stage is proposed to ensure the stability of the main steam flow online calculation module. The online calculation strategy of the main steam flow proposed by the present invention can be used as a reference for power plants and for economic analysis.
Owner:SOUTHEAST UNIV +1
Image detection device
ActiveCN105957236BAvoid crosstalkAccurate and stable reproductionPaper-money testing devicesCharacter and pattern recognitionImage detectionComputer science
Owner:JULONG +2
An animal and plant incubator that simulates the wild environment in real time
ActiveCN106258633BTrue reproductionImprove protectionClimate change adaptationGreenhouse cultivationMicroorganismSmall animal
The invention provides an animals and plants culture box with a real-time field environment simulation function, relates to a field environment monitoring and simulating device, and solves the technical problem that wild animals and plants are hard to survive in indoor environment in the prior art. The animals and plants culture box comprises a field environment acquisition device and a field environment simulation culture box body, data acquired by the field environment acquisition device and data signals acquired are transmitted to a wireless receiving module of the field environment simulation culture box body through a first single-chip microcomputer and a wireless transmitting module, signals received are processed and analyzed through a second single-chip microcomputer, and then culture parameters of the field environment simulation culture box body are adjusted automatically. Field survival environment for animals and plants are simulated to the uttermost extent from the aspects such as illumination intensity, air temperature, air humidity, soil temperature, soil humidity and wind strength, field environment can be presented truly, successive indoor culture of massive small animals and plants or microorganisms difficult to culture is realized, and protection and in-depth study on field plants and animals are promoted.
Owner:SHANXI UNIV
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