CN111982563A - Portable environment sampling detection device - Google Patents
Portable environment sampling detection device Download PDFInfo
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- CN111982563A CN111982563A CN202010973321.5A CN202010973321A CN111982563A CN 111982563 A CN111982563 A CN 111982563A CN 202010973321 A CN202010973321 A CN 202010973321A CN 111982563 A CN111982563 A CN 111982563A
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- 238000005070 sampling Methods 0.000 title claims abstract description 86
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000002689 soil Substances 0.000 claims abstract description 56
- 230000007613 environmental effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003570 air Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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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
-
- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a portable environment sampling detection device, including the travelling car, the travelling car is provided with the roof flat board, be provided with controller, battery, electric putter, water sampling device, air sampling device on the roof flat board, the electric putter lower extreme is connected with rotating electrical machines I, I lower extreme of rotating electrical machines is connected with the sampling barrel, be columniform sampling cavity in the sampling barrel, the sampling barrel top is provided with rotating electrical machines II, II drives of rotating electrical machines are connected with the lead screw, it has soil inlet to open on the sampling cavity lateral wall. The invention has the beneficial effects that: can carry out quick sample to soil, air, water, and sampling operation is simple and convenient, and work efficiency is high.
Description
Technical Field
The invention relates to a mobile environment sampling detection device.
Background
With the progress of industrial technology and modern technology, people pay more and more attention to the environment, and environmental monitoring, especially outdoor environmental monitoring, becomes an essential topic. The environment monitoring comprises the monitoring of air, water source, soil and the like, online monitoring is realized, and laboratory detection is also realized after sampling. However, no special equipment is used for sampling detection at present, the sampling is complicated, and the working efficiency is not high.
Disclosure of Invention
In order to solve the technical defects, the invention provides the mobile environment sampling detection device which is simple and convenient to sample and high in working efficiency.
The invention is realized by the following measures:
a movable environment sampling detection device comprises a movable trolley, wherein the movable trolley is provided with a roof panel, the roof panel is provided with a controller, a storage battery, an electric push rod, a water quality sampling device and an air sampling device, the lower end of the electric push rod vertically penetrates through the roof panel downwards and is connected with an upper supporting cover, the bottom of the upper supporting cover is connected with an upper supporting panel, a rotating motor I positioned below the upper supporting cover is vertically arranged on the upper supporting panel, the lower end of the rotating motor I is connected with a lower supporting cover, the bottom of the lower supporting cover is vertically connected with a cylindrical sampling cylinder, a cylindrical sampling cavity is formed in the sampling cylinder, the top of the sampling cylinder is provided with a rotating motor II, the rotating motor II is in driving connection with a lead screw which vertically extends downwards along the central axis in the sampling cylinder, the side wall of the sampling cavity is provided with a plurality of soil, the soil inlet is provided with soil inlet baffles, the bottoms of the soil inlet baffles are hinged to the side wall of the sampling cavity, the upper parts of the soil inlet baffles can be turned outwards, the inner side of each soil inlet baffle is rotatably connected with a push rod, and the upper ends of a plurality of push rods are jointly and rotatably connected with a screw nut which is in threaded connection with a screw rod;
the soil moisture detection device is connected with a handheld terminal through a signal line penetrating through the storage cylinder and the sampling cylinder, and the controller is in signal connection with an electric push rod, a rotating motor I and a rotating motor II;
the water quality sampling device comprises a water storage tank and a water pump which are arranged on a roof panel, wherein a plurality of longitudinal partition plates are arranged in the water storage tank, the longitudinal partition plates separate cavities in the water storage tank into a plurality of independent water storage cavities, the top of the water storage tank is provided with a tank cover capable of axially rotating, the tank cover is provided with a water inlet which can be communicated with each water storage cavity when the tank cover axially rotates, the water inlet is connected with a water inlet pipe connected with the water pump, the bottom of the roof panel is vertically connected with a supporting vertical rod, the lower end of the supporting vertical rod is connected with a transverse disc, a plurality of test tube slots are arranged on the disc, the bottom of the water storage tank is provided with a plurality of water outlet pipes which extend downwards to the lower part of the roof panel.
Above-mentioned sampling cylinder divide into barrel and lower barrel, go up the barrel and be provided with the cross slab down between the barrel, go up all to be provided with a plurality of soil inlets that are linked together with the sampling cavity on the lateral wall of barrel and lower barrel, soil inlet department is provided with the bottom and articulates on the sampling cavity lateral wall and the soil baffle that advances that upper portion can outwards turn over, goes up barrel and every soil baffle inboard that advances on the barrel down and all rotates and is connected with the push rod, and a plurality of push rod upper ends in the last barrel rotate jointly and are connected with the screw on the lead screw, and a plurality of push rod upper ends in the lower barrel rotate jointly and are connected with the screw on the lead screw.
The edge of the upper part of the storage cylinder extends upwards to form a plurality of connecting sheets, the outer surface of the side wall of the bottom of the sampling cylinder is provided with a plurality of clamping grooves which can be in splicing fit with the connecting sheets, and the clamping grooves are connected with the connecting sheets through bolts.
The support frame is arranged on the roof panel, the scroll is arranged on the support frame, the water pipe is wound on the scroll, one end of the water pipe is connected with the water pump, and the filter screen is arranged at the other end of the water pipe.
The roof panel is provided with a lifting support frame, and the air sampling device is arranged on the lifting support frame.
The invention has the beneficial effects that: can carry out quick sample to soil, air, water, and sampling operation is simple and convenient, and work efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a portion of harvested soil according to the present invention.
Fig. 3 is a schematic cross-sectional view of a cartridge of the present invention.
Fig. 4 is a schematic structural view of the soil inlet baffle of the present invention in a turned-open state.
Fig. 5 is a schematic view of the construction of the cartridge of the present invention.
Fig. 6 is a schematic top view of a cartridge of the present invention.
Wherein: 1 roof flat board, 2 lift supports, 3 air sampling device, 4 electric putter, 5 batteries, 6 water storage cavities, 6.1 case lid, 6.2 water inlets, 6.3 storage water tanks, 6.4 water pump, 6.5 reels, 6.6 outlet pipes, 6.7 test tube slots, 6.8 disc, 6.9 support montant, 7 sampling cylinder, 7.1 under bracing cover, 7.2 rotating electrical machines II, 7.3 rotating electrical machines I, 7.4 on support flat board, 7.5 guide bar, 7.6 on the bracing cover, 7.7 cross slab, 7.8 baffle that advances native, 7.9 push rods, 7.10 silk nuts, 7.11 lead screw, 8 telescopic support leg, 9 storage cylinder, 9.1 sensing probe, 9.2 soil moisture detection device, 9.3 connection piece, 10 cusp.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, 2, 3 and 4, a mobile environment sampling detection device comprises a mobile trolley, the mobile trolley is provided with a roof panel 1, the roof panel 1 is provided with a controller, a storage battery 5, an electric push rod 7.94, a water quality sampling device and an air sampling device 3, the lower end of the electric push rod 7.94 vertically penetrates through the roof panel 1 downwards and is connected with an upper support cover 7.6, the bottom of the upper support cover 7.6 is connected with an upper support panel 7.4, the upper support panel 7.4 is vertically provided with a rotary motor I7.3 positioned below the upper support cover 7.6, the lower end of the rotary motor I7.3 is connected with a lower support cover 7.1, the bottom of the lower support cover 7.1 is vertically connected with a cylindrical sampling cylinder 7, the sampling cylinder 7 is internally provided with a cylindrical sampling cavity, the top of the sampling cylinder 7 is provided with a rotary motor II 7.2, the rotary motor II 7.2 is in driving connection with a lead screw 7., the side wall of the sampling cavity is provided with a plurality of soil inlets communicated with the sampling cavity, the soil inlets are provided with soil inlet baffles 7.8, the bottoms of the soil inlet baffles are hinged on the side wall of the sampling cavity, the upper parts of the soil inlet baffles can be turned outwards, the inner side of each soil inlet baffle 7.8 is rotatably connected with a push rod 7.9, and the upper ends of the push rods 7.9 are jointly and rotatably connected with a screw 7.10 which is in threaded connection with a screw 7.11; 7 bottoms of sampling cylinder are provided with the shutoff board, and 7 below detachable of sampling cylinder are connected with columniform storage cylinder 9, be provided with the soil moisture detection device 9.2 of taking sensing probe 9.1 in the storage cylinder 9, 9.1 wear out storage cylinder 9 and bend the back and hug closely storage cylinder 9 lateral wall, and 9 bottoms of storage cylinder are provided with conical pointed end 10, and soil moisture detection device 9.2 is through running through the handheld terminal of signal line connection of storage cylinder 9, sampling cylinder 7, controller signal connection electric putter 7.94, rotating electrical machines I7.3 and rotating electrical machines II 7.2.
The water quality sampling device comprises a water storage tank 6.3 and a water pump 6.4 which are arranged on the roof panel 1, a plurality of longitudinal clapboards are arranged in the water storage tank 6.3, the longitudinal clapboards divide a cavity in the water storage tank 6.3 into a plurality of independent water storage cavities 6, the top of the water storage tank 6.3 is provided with a tank cover 6.1 which can axially rotate, the box cover 6.1 is provided with a water inlet 6.2 which can be communicated with each water storage cavity 6 when the box cover 6.1 is axially rotated, the water inlet 6.2 is connected with a water inlet pipe connected with a water pump 6.4, the bottom of the roof plate 1 is vertically connected with a supporting vertical rod 6.9, the support montant 6.9 lower extreme is connected with horizontal disc 6.8, be provided with a plurality of test tube slots 6.7 on the disc 6.8, storage water tank 6.3 bottom is provided with a plurality of downwardly extending to roof flat board 1 below and takes the outlet pipe 6.6 of valve, and every water storage cavity 6 corresponds and connects an outlet pipe 6.6, and outlet pipe 6.6 is just right one by one from top to bottom with test tube slot 6.7.
1. As shown in fig. 4, 5 and 6, the sampling cylinder 7 is divided into an upper cylinder body and a lower cylinder body, a transverse partition plate 7.7 is arranged between the upper cylinder body and the lower cylinder body, a plurality of soil inlets communicated with the sampling cavity are formed in the side walls of the upper cylinder body and the lower cylinder body, a soil inlet baffle 7.8 is arranged at the soil inlet, the bottom of the soil inlet is hinged to the side wall of the sampling cavity, the upper part of the soil inlet baffle 7.8 can be outwards turned, a push rod 7.9 is rotatably connected to the inner side of each soil inlet baffle 7.8 on the upper cylinder body and the lower cylinder body, the upper ends of a plurality of push rods 7.9 in the upper cylinder body are jointly rotatably connected with a screw 7.10 in a threaded connection mode on a screw 7.11, and the upper ends of a plurality of push rods 7.9 in the. A plurality of connecting pieces 9.3 extend upwards from the edge of the upper part of the storage cylinder 9, a plurality of clamping grooves which can be in splicing fit with the connecting pieces 9.3 are formed in the outer surface of the side wall of the bottom of the sampling cylinder 7, and the clamping grooves are connected with the connecting pieces 9.3 through bolts. The roof panel 1 is provided with a support frame, the support frame is provided with a reel 6.5, the reel 6.5 is wound with a water pipe, one end of the water pipe is connected with a water pump 6.4, and the other end of the water pipe is provided with a filter screen. The roof panel 1 is provided with a lifting support frame 2, and the air sampling device 3 is arranged on the lifting support frame 2. The bottom of the roof flat plate is vertically provided with a guide rod 7.5, and the guide rod 7.5 penetrates through the edge of the upper supporting flat plate and is in sliding fit with the upper supporting flat plate. The movable trolley is provided with telescopic supporting legs 8, and the height of the movable trolley can be adjusted.
The working principle is as follows: during the use, go the travelling car and wait to detect the department, electric putter 7.94 stretches out downwards, rotating electrical machines drives cartridge 7 rotatory simultaneously, pointed end 10 deepens in the soil and bores downwards gradually, cartridge 7 moves the in-process downwards in soil, soil moisture detection device 9.2's sensing probe 9.1 remains throughout with soil contact, thereby the water content of real-time detection soil, the water content information of detection shows through handheld terminal, when the staff observes cartridge 7 and reaches certain water content scope, controller control rotating electrical machines II 7.2 is rotatory, and then it is rotatory to drive lead screw 7.11, screw 7.10 moves down on lead screw 7.11, thereby push rod 7.9 promotes into soil baffle 7.8 upper portion and outwards turns over, it opens to advance the soil mouth, soil around advancing the soil can be crowded under the effect of pressure and enter into in cartridge 7. If meet the great condition of soil humidity ratio, can advance native baffle 7.8 and turn over certain angle after, rotating electrical machines I7.3 drive sampling cylinder 7 rotatory, also can dial into sampling cylinder 7 with the great soil of humidity. After sampling is finished, the rotating motor II 7.2 rotates reversely, and the soil inlet baffle 7.8 is plugged up. The sampling cylinder 7 is lifted, then soil is taken out from the soil inlet, and finally high-pressure gas is blown into the sampling cylinder 7, so that the soil remaining in the sampling cylinder 7 is blown out, and the cleaning effect is achieved.
When a water quality sample is collected, the water pipe is drawn out from the reel 6.5, then the box cover 6.1 is rotated, the water outlet on the box cover 6.1 is communicated with one of the water storage cavities 6, water to be detected is drawn into the water storage cavity 6 through the water pipe by the water pump 6.4, then the water quality sample is discharged into the test tube inserted into the test tube slot 6.7 from the water outlet pipe 6.6, and the next detection is carried out. The box cover 6.1 is rotated, so that a water outlet on the box cover 6.1 can be communicated with other water storage cavities 6, and water quality of different places can be sampled. The lifting support frame 2 can lift the air sampling device 3 to a high position so as to detect air.
The foregoing is only a preferred embodiment of this patent, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of this patent, and these modifications and substitutions should also be regarded as the protection scope of this patent.
Claims (6)
1. The utility model provides a portable environment sampling detection device which characterized in that: including the travelling car, the travelling car is provided with the roof flat board, be provided with controller, battery, electric putter, water sampling device, air sampling device on the roof flat board, the vertical roof flat board that passes downwards of electric putter lower extreme is connected with the upper support cover, the upper support cover bottom is connected with the upper support flat board, the vertical rotating electrical machines I that is located the upper support cover below that is provided with on the upper support flat board, I lower extreme of rotating electrical machines is connected with the under bracing cover, the vertical columniform sampling cylinder that is connected with in under bracing cover bottom, be columniform sampling cavity in the sampling cylinder, the sampling cylinder top is provided with rotating electrical machines II, II drives of rotating electrical machines are connected with the lead screw that follows the vertical downwardly extending of axis in the sampling cylinder, it has a plurality of soil inlets that are linked together with the sampling cavity to open on the sampling cavity lateral wall, soil inlet department is provided with the soil inlet baffle that the bottom articulates on the sampling The inner side of each soil inlet baffle is rotatably connected with a push rod, and the upper ends of a plurality of push rods are jointly and rotatably connected with a screw nut which is connected on a screw rod in a threaded manner;
the soil moisture detection device is connected with a handheld terminal through a signal line penetrating through the storage cylinder and the sampling cylinder, and the controller is in signal connection with an electric push rod, a rotating motor I and a rotating motor II;
the water quality sampling device comprises a water storage tank and a water pump which are arranged on a roof panel, wherein a plurality of longitudinal partition plates are arranged in the water storage tank, the longitudinal partition plates separate cavities in the water storage tank into a plurality of independent water storage cavities, the top of the water storage tank is provided with a tank cover capable of axially rotating, the tank cover is provided with a water inlet which can be communicated with each water storage cavity when the tank cover axially rotates, the water inlet is connected with a water inlet pipe connected with the water pump, the bottom of the roof panel is vertically connected with a supporting vertical rod, the lower end of the supporting vertical rod is connected with a transverse disc, a plurality of test tube slots are arranged on the disc, the bottom of the water storage tank is provided with a plurality of water outlet pipes which extend downwards to the lower part of the roof panel.
2. The mobile environmental sampling test device of claim 1, wherein: the sampling cylinder divide into barrel and lower barrel, go up the barrel and be provided with the cross slab down between the barrel, go up all to be provided with a plurality of soil inlets that are linked together with the sampling cavity on the lateral wall of barrel and lower barrel, soil inlet department is provided with the bottom and articulates on the sampling cavity lateral wall and the soil baffle that advances that upper portion can outwards turn over, goes up barrel and every soil baffle inboard that advances on the barrel down and all rotates and be connected with the push rod, and a plurality of push rod upper ends in the last barrel rotate jointly and are connected with the screw on the lead screw, and a plurality of push rod upper ends in the lower barrel rotate jointly and are connected with the screw on the lead screw.
3. The mobile environmental sampling test device of claim 1, wherein: the sampling device is characterized in that a plurality of connecting pieces extend upwards from the edge of the upper part of the storage cylinder, a plurality of clamping grooves which can be matched with the connecting pieces in an inserting mode are formed in the outer surface of the side wall of the bottom of the sampling cylinder, and the clamping grooves are connected with the connecting pieces through bolts.
4. The mobile environmental sampling test device of claim 1, wherein: the roof is characterized in that a support frame is arranged on the roof panel, a scroll is arranged on the support frame, a water pipe is wound on the scroll, one end of the water pipe is connected with a water pump, and a filter screen is arranged at the other end of the water pipe.
5. The mobile environmental sampling test device of claim 1, wherein: the roof panel is provided with a lifting support frame, and the air sampling device is arranged on the lifting support frame.
6. The mobile environmental sampling test device of claim 1, wherein: the top flat plate is vertically provided with a guide rod at the bottom, and the guide rod penetrates through the edge of the upper supporting flat plate and is in sliding fit with the upper supporting flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973321.5A CN111982563A (en) | 2020-09-16 | 2020-09-16 | Portable environment sampling detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973321.5A CN111982563A (en) | 2020-09-16 | 2020-09-16 | Portable environment sampling detection device |
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| CN111982563A true CN111982563A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010973321.5A Pending CN111982563A (en) | 2020-09-16 | 2020-09-16 | Portable environment sampling detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881648A (en) * | 2021-01-15 | 2021-06-01 | 山东中正食品科技检测有限公司 | Soil moisture content detection equipment |
| CN113281087A (en) * | 2021-04-28 | 2021-08-20 | 山东蓝一检测技术有限公司 | Deep soil collecting device for environmental monitoring |
| CN113960268A (en) * | 2021-12-20 | 2022-01-21 | 武汉云麒联网科技有限公司 | Ecological low carbon monitoring system based on thing networking |
| CN114018632A (en) * | 2021-11-17 | 2022-02-08 | 安徽华启检测有限公司 | Deep collection system of soil with drainage effect |
| CN114112521A (en) * | 2021-11-30 | 2022-03-01 | 东北农业大学 | Automatic change paddy field biomass and acquire unmanned car |
| CN114544269A (en) * | 2022-03-08 | 2022-05-27 | 生态环境部南京环境科学研究所 | Portable collecting device for collecting soil gas sample |
-
2020
- 2020-09-16 CN CN202010973321.5A patent/CN111982563A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881648A (en) * | 2021-01-15 | 2021-06-01 | 山东中正食品科技检测有限公司 | Soil moisture content detection equipment |
| CN113281087A (en) * | 2021-04-28 | 2021-08-20 | 山东蓝一检测技术有限公司 | Deep soil collecting device for environmental monitoring |
| CN114018632A (en) * | 2021-11-17 | 2022-02-08 | 安徽华启检测有限公司 | Deep collection system of soil with drainage effect |
| CN114112521A (en) * | 2021-11-30 | 2022-03-01 | 东北农业大学 | Automatic change paddy field biomass and acquire unmanned car |
| CN113960268A (en) * | 2021-12-20 | 2022-01-21 | 武汉云麒联网科技有限公司 | Ecological low carbon monitoring system based on thing networking |
| CN114544269A (en) * | 2022-03-08 | 2022-05-27 | 生态环境部南京环境科学研究所 | Portable collecting device for collecting soil gas sample |
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Application publication date: 20201124 |
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