CN108445032A - A kind of heavy metal-polluted soil detection device for space enrironment investigation - Google Patents
A kind of heavy metal-polluted soil detection device for space enrironment investigation Download PDFInfo
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- CN108445032A CN108445032A CN201810202090.0A CN201810202090A CN108445032A CN 108445032 A CN108445032 A CN 108445032A CN 201810202090 A CN201810202090 A CN 201810202090A CN 108445032 A CN108445032 A CN 108445032A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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Abstract
The invention discloses a kind of heavy metal-polluted soil detection devices for space enrironment investigation, including, instrument container, table top, support column, bottom plate are equipped with X-ray fluorescence spectrometer in instrument container；The instrument container side is fastened by platform hasp on table top, and the probe of the X-ray fluorescence spectrometer stretches out instrument container, the table top be equipped with make probe across probe through-hole, probe enters across probe through-hole below table top；It is connected and fixed by support column between the table top and bottom surface；The support column is also matched with first set wound packages, and the first sleeve is fixed with support plate assembly.The present invention can simplify heavy metal-polluted soil Site Detection flow, improve efficiency, and convenient disassembly, easy to remove and carrying.
Description
Technical field
The present invention relates to a kind of heavy metal-polluted soil detection devices, more particularly to a kind of soil for space enrironment investigation
Heavy metal analysis device.
Background technology
As society and rapid industrial development, more and more polluters enter in soil by various approach, cause
Soil Environmental Pollution.National publication《National Soil Pollution Investigation bulletin》It has been shown that, the total exceeding standard rate of China's soil are
16.1%, therefore form very severe, soil contamination problem also initially enters the public visual field and attracts wide public concern.
Space enrironment investigation refers to the investigation method using system, determines whether place soil and groundwater is contaminated and dirty
The degree of dye and the process of range.During the field investigation of place, need using Portable heavy metal detector device in soil
The content of heavy metal is detected and screening, with heavy metal pollution range and degree in preliminary judgement place.Currently, space enrironment
Mostly pedotheque is carried out in investigation using geoprobe drilling equipments to take, field investigation personnel need to be by the soil to be measured of different depth
Then earth utilizes portable X-Ray Fluorescence heavy metal detector in valve bag from taking out and being loaded in valve bag in the pipe that fetches earth
Pedotheque be detected.In entire detection process, testing staff needs whole hand-held heavy metal detector and ensures test section
Position is contacted with pedotheque, is operated and is inconvenient and time-consuming and laborious.
Therefore, applicant proposes a kind of heavy metal-polluted soil detection device for space enrironment investigation, can place weight
Metal detector and easy to carry.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide one kind being used for place ring
The heavy metal-polluted soil detection device of border investigation.
To achieve the above object, the present invention provides it is a kind of for space enrironment investigation heavy metal-polluted soil detection device,
Including instrument container, table top, support column, bottom plate are equipped with detector in instrument container（It can be X-ray fluorescence spectrometer）；
The instrument container side is fastened by platform hasp on table top, and the probe of the detector stretches out instrument container, institute
The table top stated be equipped with make probe across probe through-hole, probe enters across probe through-hole below table top；The table top with
It is connected and fixed by support column between bottom surface；The support column is also matched with first set wound packages, and the first sleeve is assembled with support plate
It is fixed.
Preferably, further include manipulation center, universal wheel, the manipulation center is used for and the detection in instrument container
Instrument connects and carries out data transmission；The universal wheel is mounted on bottom surface 140 to facilitate the equipment of bottom surface or more to move.
Preferably, be connected and fixed by connecting plate between first sleeve, the connecting plate by supporting rod with
Support plate is connected and fixed.
Preferably, the platform hasp, including hasp connection block, the hasp connection block by the first axis pin with take
Buckle is hinged, and the snapping board bottom is equipped with gripping part, the gripping part and table top clamping；The button link block
It is made of elastic material.
Preferably, the first torsional spring is provided between the first axis pin and hasp connection block, first torsional spring is for making
Snapping board generates the power rotated clockwise.
Preferably, instrument container side is provided with fixing buckle, the fixing buckle includes clamping head, between two fixing buckles
For fixed card slot, snapping board can be fitted into clamping fixed in fixed card slot.
Preferably, the bottom surface of table top and the first support tube assemble, and are fitted into the first support tube at the top of support column, second
Axis pin passes through the first support tube, support column to fix assembly at the top of the first support tube and support column；
The support column bottom is packed into the second support tube and is assembled by threaded engagement with the second support tube, described second
The positive stop end for supportting cylinder inner cylinder bottom and fixing axle assembles, and the positive stop end bottom is connected and fixed with fixing axle atop part, institute
The fixing axle section bottom stated is fitted into base plate and is assembled with base plate and fixed；
First pulley is installed in the fixing axle, by synchronous band connection and V belt translation knot is formed between two first pulleys
Structure, the synchronous belt are also assembled to form belt drive structure with the second belt wheel, and the second band wheel drive synchronous belt rotates；
Second belt wheel is fixed on pulley shaft, and the pulley shaft both ends can turn with base plate and base deck respectively
It is dynamic to assemble, it is additionally provided with worm section on the pulley shaft, the worm section engages to form Worm Wheel System with turbine
Structure, the turbine are fixed in the second adjustment axis, and second adjustment axis and the base front plate and the base rear plate are rotatable
Assembly and second adjustment axis one end are pierced by the base front plate, and traversing through end and the assembly of the second knob are fixed；After the base front plate and pedestal
It is connected and fixed by base side plate between plate.
Preferably, the first sleeve is connected and fixed with connecting cylinder, is hollow connection inner cylinder inside the connecting cylinder, described
Connection inner cylinder pass through the first sleeve to enter the first sleeve inner cylinder, the connecting cylinder both ends are respectively arranged with clamping assembly, institute
The clamping assembly stated can be with support column clamping fixed.
Preferably, the clamping assembly, including clamping block, the clamping block are fixed with the assembly of adjusting rod one end, are adjusted
The pole other end is connected and fixed across limiting plate with bracing wire；
Limiting plate is fixed in connection inner cylinder and adjusting rod and connect inner cylinder and slidably assemble, the clamping block and limiting plate it
Between be equipped with garter spring, the garter spring is for providing the power for making clamping block to support column clamping；
It is described be drawstring through the first adjustment axis after both ends be connected and fixed respectively with two adjusting rods；
First adjustment axis both ends are each passed through connecting cylinder and are rotatably assembled with connecting cylinder, first adjustment axis one end and the first limit
Ring assembly is fixed, the other end is fixed with the assembly of the second spacing ring, between second spacing ring and connecting cylinder outside, the first tune
It is further fixed on the first knob on nodal axisn, resetting spring is equipped between first knob and the second spacing ring；Described first
Positioning pin is additionally provided on knob, it is fixed with the first positioning hole being arranged on connecting drum outer wall and second that the positioning pin can select one
The assembly of position hole is to prevent the first knob.
Preferably, it is provided with limited block on the first knob, the first limit protrusion, second is respectively arranged on connecting cylinder
Limit protrusion, when positioning pin and first positioning hole are assembled, the limited block is adjacent to the second limit protrusion, when positioning pin and
When second location hole is assembled, the limited block is adjacent to the first limit protrusion.
The beneficial effects of the invention are as follows：
The present invention can simplify heavy metal-polluted soil Site Detection flow, improve efficiency.Field investigation personnel need not be by different depth
Soil to be measured fetches earth on pipe fixing device from taking out in the pipe that fetches earth and be placed on loaded on the pipe that in valve bag, need to will only fetch earth, touch
The pipe that fetches earth is allowed to move left and right, and can detect the pedotheque for the pipe different location that fetches earth；It is detected using heavy metal analysis instrument
During pedotheque, testing staff does not need whole hand-held heavy metal detector and ensures that probe is contacted with pedotheque, only
Up and down adjustment is needed to fetch earth pipe fixing device, the pipe pedotheque contact detector probe that makes to fetch earth can be detected, easy to operate
And it is time saving and energy saving.
It is convenient disassembly of the present invention, easy to remove and carry.
The X-ray fluorescence spectrometer of the present invention is connected with instrument manipulation center, can be easy to operation, is realized and is surveyed i.e.
Deposit the data management integration passed.
Description of the drawings
Fig. 1 is a kind of structure of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Schematic diagram.
Fig. 2 is a kind of instrument of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Box structure schematic diagram.
Fig. 3 is a kind of table top of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Structural schematic diagram.
Fig. 4 is a kind of structure of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Schematic diagram.
Fig. 5 is enlarged drawing at F1 in Fig. 4.
Fig. 6 is enlarged drawing at F2 in Fig. 5.
Fig. 7 is a kind of fixation of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Buckle structure schematic diagram.
Fig. 8 is a kind of fetching earth for heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Pipe fixation kit structural schematic diagram.
Fig. 9 is the first of a kind of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Knob structure schematic diagram.
Figure 10 is a kind of liter of heavy metal-polluted soil detection device specific implementation mode for space enrironment investigation of the present invention
Component structure diagram drops.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
Referring to Fig. 1-Figure 10, a kind of heavy metal-polluted soil detection device for space enrironment investigation, including, manipulation center 210, instrument
Device case 110, table top 130, support column 310, bottom plate 140, universal wheel 160, the manipulation center 210 be used for mounted on instrument
X-ray fluorescence spectrometer in case 110 connects and carries out data transmission, and manipulation center 110 can directly be used equipped with control
The notebook of X-ray fluorescence spectrometer processed；
110 side of instrument container is fastened by platform hasp 120 on table top 130, and the X-ray fluorescence spectra is analyzed
The probe 220 of instrument stretches out instrument container, the table top 130 be equipped with make probe across probe through-hole 131, in use, probe
Enter below table top across probe through-hole 131；
It is connected and fixed by support column 310 between the table top 130 and bottom surface 140, the universal wheel 160 is mounted on bottom
To facilitate the equipment of bottom surface or more to move on face 140；
The support column 310 is also assembled with the first sleeve 151, is connected by connecting plate 152 between first sleeve 151
Fixed, the connecting plate 152 is connected and fixed by supporting rod 153 and support plate 154.In use, the pipe that fetches earth equipped with soil
It is placed in support plate 154, and 220 contact soil of popping one's head in are detected.First sleeve can preferably be slided with support column
Dynamic assembly（In axial direction）, the position of support plate can be adjusted in this way to facilitate probe to be detected.
Further, tip damage in order to prevent, can be arranged snapping board 221, the snapping board 221 outside probe
It can be by probe closing to protect probe.
Further, the table top 130 is equipped with the table top connecting hole 132 assembled with support column 310.
Further, the platform hasp 120, including hasp connection block 112, the hasp connection block 112 pass through
First axis pin 124 and snapping board 121 are hinged, and the snapping board bottom is equipped with gripping part 1211, the gripping part
1211 with table top clamping；The button link block 112 is made of elastic material, such as elastoplastic, elastic sheet metal.In this way
Can make using when its occur flexible deformation to increase the clamping force with table top.
It, can be in the first axis pin 124 and hasp connection block 112 in order to enable snapping board and table top more firmly clamping
Between the first torsional spring 123 is set, first torsional spring is used to that snapping board to be made to generate the power rotated clockwise（Turn to table top）.
Further, in order in transport, prevent snapping board from influencing transport, it can be arranged in 110 side of instrument container and fix
Button 111, referring to Fig. 7, the fixing buckle includes clamping head 1111, is fixed card slot 1112 between two fixing buckles, when transport,
Snapping board can be fitted into fixed card slot 1112 with fixed agraffe plate.
The fixing buckle is made of elastic material, such as elastoplastic, elastic sheet metal.It can make hasp in this way
Plate can enter fixed card slot 1112 across two clamping heads 1111.
Further, since in actual use, table surface height needs are adjusted according to user and service condition
It is whole, it otherwise will influence user and use, therefore can be specific as follows by mesa designs at the structure that can be lifted：
130 bottom surface of table top is assembled with the first support tube 330, and 310 top of support column is fitted into the first support tube 330, the
Two axis pins 410 pass through the first support tube 330, support column 310 to fix the first support tube 330 and 310 top assembly of support column；
310 bottom of support column is packed into the second support tube 320 and is assembled by threaded engagement with the second support tube 320, institute
The 320 inner cylinder bottom of the second support tube stated and the positive stop end 341 of fixing axle 340 assemble, 341 bottom of positive stop end and fixation
The top of shaft portion 342 is connected and fixed, 342 bottom of fixation shaft portion be fitted into base plate 143 and with base plate 143
Assembly is fixed；
First pulley 510 is installed in the fixing axle 340, is connected simultaneously by synchronous belt 610 between two first pulleys 510
Belt drive structure is formed, the synchronous belt 610 is also assembled to form belt drive structure with the second belt wheel 520（Second belt wheel 520 can
To drive synchronous belt to rotate）；
Second belt wheel 520 is fixed on pulley shaft 350,350 both ends of pulley shaft respectively with base plate and bottom
Seat top plate 141 rotatably assembles, and is additionally provided with worm section on the pulley shaft 350, the worm section is nibbled with turbine 540
Conjunction forms drive structure of gear worm, and the turbine 540 is fixed in the second adjustment axis 360, second adjustment axis 360
It is rotatably assembled with the base front plate 145 and the base rear plate 145 and 360 one end of the second adjustment axis is pierced by the base front plate 145, and be pierced by
End is fixed with the assembly of the second knob 541；It is connected and fixed by base side plate 142 between the base front plate and the base rear plate.
The base plate, the base front plate, the base rear plate, base deck, two pieces of base side plates collectively form pedestal, bottom
Seat is consistent with the bottom plate function in Fig. 1.
When needing to adjust table surface height, the rotation of the second adjustment axis, the driving of the second adjustment axis are driven by the second knob first
Pulley shaft 350 rotates, and the rotation of driving synchronous belt 610 is to drive the second support tube to rotate when pulley shaft 350 rotates, to make support
Column is moved to adjust table surface height in its axial direction.
Further, in order to realize support plate can transfer up and down and transfer in place after its can with support column clamping, to
It is easy to use, it can be used such as lower structure：
First sleeve 151 is connected and fixed with connecting cylinder 155, and 155 inside of connecting cylinder is hollow connection inner cylinder 1551, institute
The connection inner cylinder stated passes through the first sleeve to enter the first sleeve inner cylinder, and 1551 both ends of connecting cylinder are respectively arranged with clamping group
Part, the clamping assembly can be with support column clamping fixeds；
The clamping assembly, including clamping block 371, the clamping block 371 are fixed with the assembly of 370 one end of adjusting rod, are adjusted
370 other end of bar is connected and fixed across limiting plate 1552 with bracing wire 620；
Limiting plate 1552 is fixed in connection inner cylinder 1551 and adjusting rod is slidably assembled with inner cylinder 1551 is connect, the clamping
Garter spring 372 is equipped between block 371 and limiting plate 1552, the garter spring makes clamping block to support column card for providing
Tight power；
Both ends are connected and fixed with two adjusting rods 370 respectively after the bracing wire 620 passes through the first adjustment axis 380；
First adjustment axis, 380 both ends are each passed through connecting cylinder 155 and are rotatably assembled with connecting cylinder, 380 one end of the first adjustment axis
With the assembly of the first spacing ring 381 is fixed, the other end is fixed with the assembly of the second spacing ring 381, second spacing ring 381 with connect
Between 155 outside of connect cylinder, the first knob 383, first knob 383 and second limit are further fixed in the first adjustment axis 380
It is equipped with resetting spring 384 between the ring 382 of position；Positioning pin 385, the positioning pin 385 are additionally provided on first knob 383
One can be selected to assemble to prevent the first rotation with the first positioning hole 1553 and second location hole 1554 being arranged on 155 outer wall of connecting cylinder
Button rotates.
In use, the first knob 383 is moved to the second spacing ring direction first, until positioning pin is detached from first positioning hole
Afterwards by rotating the first knob to rotate the first adjustment axis 380, until positioning pin and second location hole assembly, at this point, bracing wire 620
It is wrapped in the first adjustment axis 380 so that clamping block is disengaged it from support column to the first adjusting axis direction pulling, then adjustment branch
Fagging height again pulls the first knob so that positioning pin is determined with second to the second spacing ring after reaching setting position
Position hole is detached from, and rotates backward the first knob until positioning pin and first positioning hole are assembled, at this point, clamping block again with support column card
Tightly with fixed support plate.
It further, can be first in order to enable positioning pin is accurately positioned with first positioning hole and second location hole
Limited block 386 is set on knob, while the first limit protrusion 387, the second limit protrusion 388 being respectively set on connecting cylinder 155,
When positioning pin and first positioning hole are assembled, the limited block 386 is adjacent to the second limit protrusion 388, when positioning pin and the
When two location holes assemble, the limited block is adjacent to the first limit protrusion 387.
Further, in order to enable clamping block that with support column clamping, several cards firmly can be arranged on clamping block
Tight hangnail 3711, in use, the clamping hangnail 3711 and the screw thread clamping on support column.
Place is not described in detail by the present invention, is the known technology of those skilled in the art.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of heavy metal-polluted soil detection device for space enrironment investigation, it is characterized in that：Including instrument container, table top, support
Column, bottom plate are equipped with detector in instrument container；
The instrument container side is fastened by platform hasp on table top, and the probe of the detector stretches out instrument container, institute
The table top stated be equipped with make probe across probe through-hole, probe enters across probe through-hole below table top；The table top with
It is connected and fixed by support column between bottom surface；The support column is also matched with first set wound packages, and the first sleeve is assembled with support plate
It is fixed.
2. the heavy metal-polluted soil detection device for space enrironment investigation as described in claim 1, it is characterized in that：Further include behaviour
Control center, universal wheel, the manipulation center is for connecting and carrying out data transmission with the detector in instrument container；Institute
The universal wheel stated is mounted on bottom surface to facilitate the equipment of bottom surface or more to move.
3. the heavy metal-polluted soil detection device for space enrironment investigation as described in claim 1, it is characterized in that：Described
It is connected and fixed by connecting plate between one sleeve, the connecting plate is connected and fixed by supporting rod and support plate.
4. the heavy metal-polluted soil detection device for space enrironment investigation as described in claim 1, it is characterized in that：Described is flat
Platform hasp, including hasp connection block, the hasp connection block pass through hinged, the described snapping board bottom of the first axis pin and snapping board
Portion is equipped with gripping part, the gripping part and table top clamping；The button link block is made of elastic material.
5. the heavy metal-polluted soil detection device for space enrironment investigation as claimed in claim 4, it is characterized in that：In the first pin
The first torsional spring is provided between axis and hasp connection block, first torsional spring is used to make snapping board generation to rotate clockwise
Power.
6. the heavy metal-polluted soil detection device for space enrironment investigation as claimed in claim 4, it is characterized in that：In instrument container
Side is provided with fixing buckle, and the fixing buckle includes clamping head, is fixed card slot between two fixing buckles, snapping board can be packed into
Clamping fixed in fixed card slot.
7. the heavy metal-polluted soil detection device for space enrironment investigation as described in claim 1, it is characterized in that：The platform
Face bottom surface is assembled with the first support tube, is fitted into the first support tube at the top of support column, and the second axis pin passes through the first support tube, support
Column fixes assembly at the top of the first support tube and support column；
The support column bottom is packed into the second support tube and is assembled by threaded engagement with the second support tube, described second
The positive stop end for supportting cylinder inner cylinder bottom and fixing axle assembles, and the positive stop end bottom is connected and fixed with fixing axle atop part, institute
The fixing axle section bottom stated is fitted into base plate and is assembled with base plate and fixed；
First pulley is installed in the fixing axle, by synchronous band connection and V belt translation knot is formed between two first pulleys
Structure, the synchronous belt are also assembled to form belt drive structure with the second belt wheel, and the second band wheel drive synchronous belt rotates；
Second belt wheel is fixed on pulley shaft, and the pulley shaft both ends can turn with base plate and base deck respectively
It is dynamic to assemble, it is additionally provided with worm section on the pulley shaft, the worm section engages to form Worm Wheel System with turbine
Structure, the turbine are fixed in the second adjustment axis, and second adjustment axis and the base front plate and the base rear plate are rotatable
Assembly and second adjustment axis one end are pierced by the base front plate, and traversing through end and the assembly of the second knob are fixed；After the base front plate and pedestal
It is connected and fixed by base side plate between plate.
8. the heavy metal-polluted soil detection device for space enrironment investigation as described in claim 1, it is characterized in that：First sleeve
It is connected and fixed with connecting cylinder, is hollow connection inner cylinder inside the connecting cylinder, the connection inner cylinder passes through the first sleeve
Into the first sleeve inner cylinder, the connecting cylinder both ends are respectively arranged with clamping assembly, and the clamping assembly can be with support column
Clamping fixed.
9. the heavy metal-polluted soil detection device for space enrironment investigation as claimed in claim 8, it is characterized in that：The card
Tight component, including clamping block, the clamping block are fixed with the assembly of adjusting rod one end, and the adjusting rod other end passes through limiting plate and draws
Line is connected and fixed；
Limiting plate is fixed in connection inner cylinder and adjusting rod and connect inner cylinder and slidably assemble, the clamping block and limiting plate it
Between be equipped with garter spring, the garter spring is for providing the power for making clamping block to support column clamping；
It is described be drawstring through the first adjustment axis after both ends be connected and fixed respectively with two adjusting rods；
First adjustment axis both ends are each passed through connecting cylinder and are rotatably assembled with connecting cylinder, first adjustment axis one end and the first limit
Ring assembly is fixed, the other end is fixed with the assembly of the second spacing ring, between second spacing ring and connecting cylinder outside, the first tune
It is further fixed on the first knob on nodal axisn, resetting spring is equipped between first knob and the second spacing ring；Described first
Positioning pin is additionally provided on knob, it is fixed with the first positioning hole being arranged on connecting drum outer wall and second that the positioning pin can select one
The assembly of position hole is to prevent the first knob.
10. the heavy metal-polluted soil detection device for space enrironment investigation as claimed in claim 9, it is characterized in that：First
It is provided with limited block on knob, the first limit protrusion, the second limit protrusion are respectively arranged on connecting cylinder, when positioning pin and
When a positioning hole is assembled, the limited block is adjacent to the second limit protrusion, described when positioning pin and second location hole assembly
Limited block be adjacent to the first limit protrusion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202090.0A CN108445032A (en) | 2018-03-12 | 2018-03-12 | A kind of heavy metal-polluted soil detection device for space enrironment investigation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810202090.0A CN108445032A (en) | 2018-03-12 | 2018-03-12 | A kind of heavy metal-polluted soil detection device for space enrironment investigation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239116A (en) * | 2018-10-18 | 2019-01-18 | 郑州市宇驰检测技术有限公司 | A kind of device for fast detecting and method of heavy metal in soil content |
| CN111982937A (en) * | 2020-08-26 | 2020-11-24 | 大冶市探伤机有限责任公司 | Automatic calibrating installation of X-ray flaw detection |
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