CN109085228A - A kind of device of various dimensions metering content of beary metal - Google Patents
A kind of device of various dimensions metering content of beary metal Download PDFInfo
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- CN109085228A CN109085228A CN201811329393.5A CN201811329393A CN109085228A CN 109085228 A CN109085228 A CN 109085228A CN 201811329393 A CN201811329393 A CN 201811329393A CN 109085228 A CN109085228 A CN 109085228A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The invention discloses a kind of devices of various dimensions metering content of beary metal, including cloud platform information processing end, more depth samples acquisition devices, Android phone control terminal, microprocessor main control module, power module and electrochemical sensor module.Cloud platform information processing end receives the data that Android phone end is sent, and realizes cloud storage function；More depth samples acquisition devices include five parts such as inner sample test section and outside sampling entrance；The Android phone control terminal, using the form at two-stage interface, respectively Wi-Fi selection interface and motor control and display interface；The microprocessor main control module uses STM32F407 chip, powerful；The power module uses lithium battery, small in size, environmentally protective；The electrochemical sensor module, three electrode test modules of attachment, constant potential module and circuitry self test and active shielding module.The present invention can realize more depth detections to the heavy metal ion content in rivers and lakes, and information is fed back to cloud platform to the purpose for realizing information processing and storage in time, be suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of devices of various dimensions metering content of beary metal, belong to heavy metal analysis and intelligentized control method neck
Domain.
Background technique
At this stage, heavy metal pollution of water body has become growing topic.Mining and metallurgy, machine-building, chemical industry, electronics,
Heavy metal wastewater thereby in the industrial processes such as instrument generally comprises the heavy metal ion such as chromium, cadmium, copper, mercury, nickel, zinc and largely arranges
Enter rivers,lakes and seas, thus caused irrigation, fishery cultivating etc. need the rural activity of lake water to pollute.Especially supported in fishery
It grows in production, the depth of water environment of different Fish Survivals is different, and the heavy metal in water content for reacting each depth in time supports it
It grows dispensing and reference is provided.Facts proved that heavy metal ion content is due to ground prime element, the various aspects such as disposal of pollutants in different water depth
The heavy metal ion content that will cause different water depth is different, and how to carry out different depth water sampling is also the pass for needing to solve
Key step.
Large-scale instrument such as heavy metal multi-parameter KN-MET instrument weight is mostly used in accurate heavy metal analysis field at present
Metal analysis instrument etc., these instruments it is expensive, and professional person is needed to operate, is not suitable for being engaged in agro-industry production
Most people real-time operation.
The detection for having laboratory to carry out content of beary metal for the seawater of different depth on the net is benefit by the way of
It is sampled with the different time points of the tide bulge and fall of seawater, this method is suitable for laboratory sample detection.However drawback
It is also obvious that sampling position is excessively limited to, it is not suitable for agro-industry production.In addition, with the development of Intelligentized internet-of-thing technology,
This sample mode and the mode of data storage also have limitation.
It is a kind of Portable heavy metal ion inspection based on Android application No. is 201410608185.4 patent of invention
Survey instrument and method, this patent is only referred to by Android come in the way of displaying data and handle, not in view of data
Storage problem and now technology of Internet of things it is increasingly mature, by data by Android phone upload to cloud carry out data
Processing and storage are not the technologies being difficult, and can be further realized the purpose of new legacy data compared in real time.
It is a kind of Multifunctional heavy metal detector, it multi-functional application No. is the patent of invention of CN201520652949.X
It is mainly reflected on main control chip and water-proofing treatment, but so-called multi-functional is not mentioned to more depth measurement functions, Bu Nengman
Foot agricultural especially detection demand of the fishery for different depth content of beary metal.
Summary of the invention
It is an object of that present invention to provide a kind of devices of various dimensions metering content of beary metal, can be to the weight in rivers and lakes
Metal ion content realizes the detection of more depth, and information is fed back to cloud platform to the mesh for realizing information processing and storage in time
's.
To achieve the above object, the invention provides the following technical scheme: a kind of various dimensions measure the device of content of beary metal,
It include cloud platform information processing end, more depth samples acquisition devices, Android phone control terminal, microprocessor main control module,
Power module and electrochemical sensor module.
Cloud platform information processing end is cloud platform using pleasure, is sended over for receiving Android phone end
Data, realize that cloud storage and cloud computing function, cloud platform can show heavy metal corresponding to current depth and current depth
Content facilitates user to check and compare different depth real time data and historical data；
The side of more depth samples acquisition devices is the hydrostatic column of 30cm*30cm, including upper end container cover, interior
Portion's sample test area, outside sample entrance, bottom bumps slot device, this 5 parts of container mounting table；
For the sampling container lid below with Container bottle body using the form that screws, container cover upper end has round button, passes through
Pulley is connect with main drive motor, is used for boost container, and then acquire different depth sample solution；
The pulley lower end mounting ultrasonic range finder module, ultrasonic distance measuring module have the probe for sending and receiving signal.
The probe adjoined water surface, sending module is responsible for sending ultrasonic wave, and when encountering sinking sampling container, signal return is connect by probe
Module is received to receive.Using measuring circuit, deviation gain circuitry, A/D conversion circuit, power amplification circuit, finally it is passed to micro-
Processor reaches mobile phone terminal by Wi-Fi module and is passed to cloud real-time display.Reach measurement container in water real-time with this
Depth；
The inner sample test section is three mutually independent test spaces, and three independent test spaces share
A container cover is stated, when container reaches three different depths, three independent test spaces are waited for storing test solution
It is to be tested.
The outside sampling inlet and outlet are distributed in outside of containers bottom end, and inlet and outlet use the adsorbability flabellum of silica gel material
The gate valve of similar switching device is constituted, the gate valve of three sides is equipped with three stand-by motors to control its switch state；
Three stand-by motors can carry out channel radio by the Wi-Fi module and Android phone of micro controller series
Letter manipulates the button on Android phone APP respectively, may be implemented to achieve the purpose that different depth opens different gate valves, with this
To realize the acquisition of more depth test samples；
The bottom bumps slot device is to be combined into an entirety with the container mounting table, and mixing control motor is fixed on
On mounting table, the purpose of prepare liquid is stirred evenly with internal rotation angle to realize container at 120 ° by the positive and negative conversion time of setting, it is this
Mode does not need that stirring rod is added, and easy to operate and disassembly is simple；
The Android phone control terminal, using Eclipse software programming APP program, using the form at two-stage interface,
First order interface is Wi-Fi selection interface, and second level interface includes motor control interface and display interface.When being provided with first
Behind grade interface, second level interface will be jumped into automatically；
The Wi-Fi selection interface, the i.e. communication of selection Wi-Fi communication module, what the present invention used is that serial ports turns Wi-Fi
AP model.In this mode, it is exchanged with each other by relevant setting, the data of com port and the network data realization of Wi-Fi, it is real
The communication of existing microprocessor controller and Android phone；
The motor control interface includes a main motor control button, three stand-by motor control buttons and a stirring
Motor control button.When clicking master control button, the lifting and real-time deep detection of container are realized；When three supplemental buttons of click
When, realize the switch state of corresponding gate valve；When clicking stirring motor button, the purpose that sampling solution mixes is realized；
The display interface include current depth under water, five heavy metal species content numerical frames and receive data, send data,
It empties data, disconnect four buttons, for receiving, emptying, disconnect and the information exchange of microcontroller.The transmission data
It is that depth and content of beary metal value for receiving mobile phone is saved in cloud, realizes processing and storage of the cloud to data.
The main control chip that the microprocessor main control module utilizes is STM32F407 chip, and microcontroller main control module is also
Including serial communication modular, measuring circuit module, deviation gain circuitry module, A/D and D/A conversion module, I/V translation circuit mould
Block, filter amplification circuit module.The micro controller module and other modules are required to a power module to provide power supply.
The power module considers the actual conditions of its outdoor detection, using 12V/1A direct current rechargeable lithium battery
It is small in size as external power supply, it is environmentally protective, and this lithium battery power is very big, has the output of biggish electric current, and it can be multiple
It uses, is suitble to working environment described in the design；
The electrochemical sensor module, including three electrode test modules, constant potential module and circuitry self test and active screen
Cover module；
The three electrode tests module is located at the front end at Electrochemical Detection end, for three sample regions in sampling container
The purpose of more depth measurement content of beary metal is realized in the detection of interior solution with this；
The constant potential module is located at the tail portion of electrochemical sensor test side, for maintaining working electrode and reference electrode
Between potential and in time the electric current of generation is drawn to form current loop to electrode；
The circuitry self test and active shielding module are outside being used to filter out plus operational amplifier in three-electrode system front end
Influence of portion's noise to detection signal, and realize self-test and the self-calibration function of circuit；
Compared with existing heavy metal analysis device, the invention has the following advantages that
1) in combination with Internet of Things technology, the underwater real time position more depth collecting devices is various together with current location by the present invention
Heavy metal ion content is shown in cloud platform, and is handled using the data processing function of cloud platform data, is completed more
The drafting of content of beary metal curve under depth profile, and the persistence of the cloud storage function realization data information in cloud is utilized,
Measurement compares after convenient.
2) present invention devises a kind of more depth samples acquisition devices, this device is by microcontroller to each position motor
Control realize the automatic lifting and automatic sampling of sampling container.Wherein main motor realizes the whole of container by container cover
Body lifting；Three stand-by motors open the gate valve of respective side by control adsorbability flabellum, guarantee sample into
Out.
3) present invention devises a kind of agitating device of auxiliary stripping voltammetry measurement content of beary metal, by three-electrode system
It is middle need by stirring rod stir evenly sample solution in the way of change into shake using 120 ° of stirring motor and realize, and it is described
This mode can quickly make the surface that working electrode is faster reached to measured ion, bioaccumulation efficiency is improved with this.This side
Formula does not need that stirring rod is added, and easy to operate and disassembly is simple.
Detailed description of the invention
Fig. 1 is apparatus of the present invention outside drawing.
Wherein, 1 it is micro controller module, 2 be main motor, 3 be auxiliary motor, 4 be stirring motor, 5 is signal
Processing circuit, 6 be pulley, 7 be ultrasonic distance-measuring sensor, 8 be ultrasonic distance-measuring sensor probe, 9 be container cover circle button
Button, 10 be one of three independent sample spaces, 11 be sampling container, 12 be tongue and groove, 13 be three independent inlet and outlet doors
Valve, 14 are container mounting table.
Fig. 2 is present system schematic diagram.
Wherein, 1 be cloud platform information processing end, 2 be Android phone control terminal, 3 be micro controller module, 4 be electrification
Learn sensor sensing module, more than 5 depth samples sampling apparatuses, 6 be power module, 11 be graphic plotting, 12 be information store,
21 it is web terminal mouth, 22 be Wi-Fi, 31 be serial communication port, 41 be electrochemical reaction sensor, 51 is ultrasonic distance measurement mould
Block, 52 main motor control modules, 53 be auxiliary motor control module, 54 be stirring motor control module, 61 be lithium battery, 62
It is power module and micro controller module connecting interface for li-ion cell protection protective module, 63.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of device of various dimensions metering content of beary metal, the more depth for being illustrated as the present invention and designing
Sample device.It include 1 be micro controller module, 2 be main motor, 3 be auxiliary motor, 4 be stir motor, 5
It is pulley for signal processing circuit, 6,7 be ultrasonic distance-measuring sensor, 8 be ultrasonic distance-measuring sensor probe, 9 is container cover
Round button, 10 be one of three independent sample spaces, 11 be sampling container, 12 be tongue and groove, 13 be three independent disengaging
Mouth gate valve, 14 are container mounting table.
The sampling container 11 is the hydrostatic column of side 30cm*30cm, including upper end container cover, three independent adopt
Sample space 10, three, outside independent inlet and outlet gate valve 13, bottom bumps slot device 12, this 5 parts of container mounting table 14.
When the micro controller module 1 sends control signal to main motor 2, main motor 2 pulls rope in pulley 6
The effect lower lifting that sampling container 11 is driven by button 9 realizes the intelligent control to the more depth-samplings of sampling container with this.
When the micro controller module 1 sends control signal to auxiliary motor 3, auxiliary motor 3 is according to transmission signal
Difference selects its job order, and three auxiliary motors are connected by the adsorbability flabellum in pulley and sampling container, that is, gate valve 13
It connects, when reaching certain depth, according to the corresponding gate valve of corresponding command switch, realizes the purpose of more depth-samplings.
When the micro-control module 1 sends control signal to stirring motor 4, stirring motor work is controlled in tongue and groove
Rotor realizes 120 ° of sampling container shakes, is shaken up sample solution to reach with this and helps heavy metal ion enrichment
Purpose.
The ultrasonic distance measuring module 6 forms a whole with ultrasonic distance measuring module probe, and ultrasonic distance measuring module is visited
The receiving module of first 7 adjoined water surface, the return when the signal that sending module is sent out encounters the sampling container in water, probe is responsible for
This return signal is received, and this signal is transmitted to after the measurement of signal processing circuit 5, A/D conversion, filter and amplification
Micro-control module processing obtains the underwater real time position of sampling container.
Referring to Fig. 2, a kind of device of various dimensions metering content of beary metal, the system original for being illustrated as the present invention and designing
Reason figure.It includes cloud platform information processing end 1, Android phone control terminal 2, microprocessor control module 3, electrochemical sensing
Device monitoring side 4, more depth samples sampling apparatuses 5, power module 6.
Cloud platform information processing end, including 11 graphic plottings and 12 information store two information processing contents.Cloud
It is cloud platform that platform utilized, which is happy, and user needs first to register pleasure as cloud platform account, and after login account, will receive
Android phone control terminal 2 passes through the real-time deep data and heavy metal ion content that web terminal mouth 21 is sent, and carries out more
Depth content of beary metal curvilinear figure draws 11.Then information storage 12 is carried out, using the cloud storage function in cloud with convenient
User compares in real time.
The Android phone control terminal 2 is the Android application journey write on Eclipse using Java language
Sequence.The application program use two-stage interface form, first order interface be Wi-Fi selection interface, by with Wi-Fi module 22
Connection realizes that Android phone termination transmits and receives control signal to more depth samples acquisition devices 5.Second level interface includes motor
Control interface and display interface.After being provided with first order interface, second level interface will be jumped into automatically.
The Wi-Fi module 22 serves as the medium between Android phone control terminal 2 and microprocessor control module 3.This
What invention was used is that serial ports turns Wi-Fi AP model.In this mode, pass through relevant setting, the data and Wi-Fi of com port
Network data realization be exchanged with each other, realize the communication between microprocessor controller and Wi-Fi module using serial communication 31, into
And realize communication of the Android phone control terminal 2 between microprocessor control module 3.
The motor control interface includes a main motor control button, three stand-by motor control buttons and a stirring
Motor control button.The main motor control button is for controlling main motor control module 52, when clicking this button, realizes and holds
The lifting of device achievees the purpose that more depth samplings；Three stand-by motor control buttons are for controlling three stand-by motor controls
Module 53 realizes the switch state of corresponding gate valve when clicking on three supplemental buttons；The stirring motor control button is used
In control stirring motor control module 54, when clicking this button, the enrichment of sampling solution shaken up with heavy metal ion is realized,
And then facilitate the detection of electrochemical sensor induction module 4；
The display interface include current depth under water, five heavy metal species content numerical frames and receive data, send data,
It empties data, disconnect four buttons, the reception data empty data, disconnect three buttons for receiving, clearly
Empty, disconnection and micro controller module 3 information exchange.It is described to send what data were used to receive Android phone control terminal 2
Depth and content of beary metal value are saved in cloud platform information processing end 1, realize that the graphic plotting 11 and information of data are deposited in cloud
Storage 12.
The microprocessor control module 3 using be STM32F407 as main control chip, comprising serial communication end 31,
Ultrasonic distance measuring module 51, A/D and D/A conversion module, I/V translation circuit module, filter amplification circuit module.Microprocessor control
Coremaking piece receives the control information that Android phone control terminal 2 is passed over by Wi-Fi module 22, and these controls are believed
It is sent to motor control module 52-54 control corresponding motor work after breath processing, realizes lifting, the gate valve switch of sampling container
With the purpose of solution stirring.
The ultrasonic distance measuring module 51 has the probe for sending and receiving signal.The probe adjoined water surface, sending module
It is responsible for sending ultrasonic wave, when encountering sinking sampling container, signal return is received by probe receiving module.Using measurement electricity
Road, deviation gain circuitry, A/D conversion circuit, power amplification circuit, are finally passed to microprocessor control module 3, pass through Wi-
Fi module 22 reaches Android phone control terminal 2 and is passed to 1 real-time display of cloud platform information processing end.Held with this to reach measurement
The real-time deep of device in water.
The electrochemical reaction sensor module 4, including three electrode test modules, constant potential module and circuitry self test with have
Source shroud module；
The three electrode tests module is located at the front end of electrochemical reaction sensor 4, three electrodes, that is, working electrode, to electricity
Pole and reference electrode.What the present invention utilized is the anodic stripping voltammetry in electrochemical reaction, including three phases, heavy metal from
Sub- preenrichment stage, quiescent phase and heavy metal ion dissolve out the stage.Using working electrode as research object, reference electrode is determined
The current potential of working electrode is used to electrode to conduct electric current.Three-electrode system be used for in sampling container in three sampling intervals it is molten
The purpose of more depth measurement content of beary metal is realized in the detection of liquid with this.
The constant potential module is located at the tail portion of 4 test side of electrochemical sensor, for maintaining working electrode and reference electricity
The electric current of generation simultaneously is drawn to form current loop by potential between pole to electrode in time.
The circuitry self test and active shielding module are outside being used to filter out plus operational amplifier in three-electrode system front end
Influence of portion's noise to detection signal, and realize self-test and the self-calibration function of circuit.
The power module 6 considers that the actual working environment of the device, the present invention can be filled using 12V/1A direct current
Electric lithium battery, it have many advantages, such as it is small in size, it is environmentally protective.This lithium battery passes through lithium battery protection circuit 61 and isolated from power
Stable voltage signal can be generated with filter circuit 62, a stable voltage signal can be provided for system.The lithium electricity
Pond power is very big, has the output of biggish electric current, is used multiple times, is very suitable to working environment described in the design.
Although having shown and having described the embodiment of the present invention, for the ordinary skill in the art, Ke Yili
Solution without departing from the principles and spirit of the present invention can to these embodiments carry out it is a variety of variation, modification, replacement and
Modification, the scope of the present invention are limited by appended claims extremely equivalent.
Claims (9)
1. a kind of device of various dimensions metering content of beary metal, device appearance include micro controller module (1), main motor (2),
Auxiliary motor (3), stirring motor (4), signal processing circuit (5), pulley (6), ultrasonic distance-measuring sensor (7), ultrasound
It is wave range sensor probe (8), container cover circle button (9), three independent sample spaces (10), sampling container (11), recessed
Tongue (12), three independent inlet and outlet gate valve (13), container mounting table (14).Systematic schematic diagram includes cloud platform information processing end
(1), Android phone control terminal (2), micro controller module (3), electrochemical sensor induction module (4), more depth samples are adopted
Sampling device (5), power module (6), graphic plotting (11), information storage (12), web terminal mouth (21), Wi-Fi (22), serial ports are logical
Believe port (31), electrochemical reaction sensor (41), ultrasonic distance measuring module (51), main motor control module (52), auxiliary electricity
Machine control module (53), stirring motor control module (54), lithium battery (61), li-ion cell protection protective module (62), power supply mould
Block and micro controller module connecting interface (63).Its device appearance is characterized in that: the micro controller module (1) and main motor
(2) it is connected with three auxiliary motors (3)；The main motor (2) is connect by pulley (6) with sampling container (11)；It is described
Auxiliary motor (3) passes through wheel slip with three independent inlet and outlet gate valve (13)；The stirring motor (4) is put positioned at container
It sets below platform (14)；The micro controller module (1) is also connected with ultrasonic distance-measuring sensor (7) by signal processing circuit (5)
It connects；The ultrasonic distance-measuring sensor (7) is attached to pulley (6) lower end, and attachment ultrasonic distance-measuring sensor probe below
(8)。
2. a kind of device of various dimensions metering content of beary metal according to claim 1, device appearance are characterized in that: institute
The sampling container (11) stated includes container cover circle button (9), three independent sample spaces (10), tongue and grooves (12), three
Independent inlet and outlet gate valve (13)；The container cover circle button (9) is located at the top of sampling container (11)；Described three independent
Sampling container (11) is divided into three equal portions spaces by sample space (10)；The tongue and groove (12) is located at sampling container (11) bottom
Portion is connect with the stirring motor (4) on container mounting table (14)；Described three independent inlet and outlet gate valve (13) are located at three solely
The side bottom of vertical sample space (10).
3. a kind of device of various dimensions metering content of beary metal according to claim 1, system principle are characterized in that: institute
Stating cloud platform information processing end (1) includes that graphic plotting (11) and information store (12) two parts, realizes the number in cloud respectively
According to acquisition and display；The Android phone control terminal (2) is that deployment app program, one end pass through in Android phone
Web terminal mouth (21) accesses cloud platform information processing end (1), and the other end is communicated by Wi-Fi (22) agreement with Wi-Fi module；Institute
Stating micro controller module (3) includes that Wi-Fi module and microprocessor control chip two parts, real by serial communication port (31)
The connection of existing Wi-Fi module and microprocessor control chip；The electrochemical sensor induction module (4) and the microprocessor
Chip pin is controlled to connect by electrochemical reaction sensor (41)；More depth samples sampling apparatuses (5) include ultrasonic wave
Range finder module (51), main motor control module (52), stand-by motor control module (53), stirring motor control module (54)；Institute
Stating power module (6) includes that lithium battery (61), li-ion cell protection protective module (62), power module and micro controller module connect
Interface (63).
4. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: the cloud platform
Information processing end (1) is that pleasure is cloud platform.
5. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: described
Android phone control terminal (2) is based on eclipse software and is write using Java language, including the Wi-Fi selection page and motor control
The page processed.
6. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: the microcontroller
Device module (3) is from using STM32F407 chip.
7. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: the electrochemistry
Sensor sensing module (4) uses the electrochemical sensor of three electric pole types.
8. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: more depth
Sample device (5) uses glass material, main motor (2) and auxiliary motor (3) model A5II series of servo motor；
Ultrasonic distance-measuring sensor (7) is probe-type ks-13-1.0TR ultrasonic distance-measuring sensor.
9. a kind of device of various dimensions metering content of beary metal according to claim 3, it is characterised in that: power module
(6) lithium battery used.
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| CN107192801A (en) * | 2017-06-05 | 2017-09-22 | 三峡大学 | Big depth of water section water quality online auto monitoring system and monitoring method |
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