CN107389386A - Soil Trace Gases harvester and method - Google Patents
Soil Trace Gases harvester and method Download PDFInfo
- Publication number
- CN107389386A CN107389386A CN201710798227.9A CN201710798227A CN107389386A CN 107389386 A CN107389386 A CN 107389386A CN 201710798227 A CN201710798227 A CN 201710798227A CN 107389386 A CN107389386 A CN 107389386A
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- Prior art keywords
- casing
- gas
- soil
- trace gases
- airway tube
- Prior art date
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- 239000007789 gas Substances 0.000 title claims abstract description 100
- 239000002689 soil Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000013011 mating Effects 0.000 claims description 6
- 229920005479 Lucite® Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000005431 greenhouse gas Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002680 soil gas Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- G01N1/2294—Sampling soil gases or the like
-
- 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
- G01N1/24—Suction 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
- G01N1/24—Suction devices
- G01N2001/245—Fans
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Soil Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a kind of collection device of greenhouse and method, belongs to Soil Trace Gases collection field.Collection device of greenhouse mainly includes casing, airway tube, gas collector and battery.Air inlet and gas outlet are provided with casing, the position of gas outlet is provided with mounting cylinder.Airway tube is arranged on outside casing, and the gas outlet of its one end and casing is connected, and the other end is connected with gas collector.Ventilating fan is provided with mounting cylinder, for the gas in casing to be discharged in gas collector；Ventilating fan is connected with storage battery.During concrete operations, casing is buckled on soil so that air inlet is connected with soil；Ventilating fan is opened, the waste gas in casing is discharged.Escaping gas can be entered in casing from soil, finally fill up whole casing.Then the gas collection in casing is got up using gas collector, laboratory research is taken to for researcher.
Description
Technical field
The present invention relates to Soil Trace Gases to gather field, in particular to a kind of Soil Trace Gases harvester
And method.
Background technology
Soil refers to one layer of loose material of earth surface, by various particulate minerals, organic substance, moisture, sky
Gas, microorganism etc. form, can growing plant.Mineral matter that soil is formed by rock decay, animals and plants, the production of microorganism residuum decomposition
Raw organic matter, geobiont (solid matter) and moisture (liquid phase substance), air (gaseous substance), the humus of oxidation etc.
Composition.
Due to the presence of microorganism, it can be produced in soil and escape greenhouse gases, such as methane, carbon dioxide.In soil
The constituent and content of the greenhouse gases of effusion can reflect the physical and chemical state of soil, therefore study and escaped in soil
Gas for understand soil physicochemical property there is important meaning.Therefore, it is necessary to greenhouse gas to being overflowed in soil
Body is acquired.
A kind of Soil Trace Gases harvester and method are provided, this has important meaning for scientific research.
The content of the invention
Object of the present invention is to provide a kind of Soil Trace Gases harvester, its can more easily gather from
Escaping gas in soil.
Another object of the present invention is to provide a kind of Soil Trace Gases acquisition method, this process employs above-mentioned dress
Put, so as to more easily gather the escaping gas from soil；Sample is provided for further scientific research.
What the present invention was realized in：
A kind of Soil Trace Gases harvester, including：
Casing, the casing include air inlet and gas outlet, and the air inlet is used to be connected with soil；
Mounting cylinder, the mounting cylinder are arranged in the casing, and one end of the mounting cylinder is connected with the gas outlet, institute
State and ventilating fan is provided with mounting cylinder；
Airway tube, the airway tube are arranged on outside the casing, and one end of the airway tube is connected with the gas outlet；
Gas collector, the gas collector are connected with the airway tube；
Battery, the battery are connected with the ventilating fan.
Further,
The gas collector includes：
Air extractor, the air extractor include inflator and piston；The piston is slidably connected with the inflator, the work
The barrel of plug and the inflator surrounds compression stroke；
Drive device, the drive device are connected with the piston, for driving the piston to move reciprocatingly；
Gas collecting apparatus, the gas collecting apparatus include airbag, and the airbag is connected with the compression stroke by appendix；
Branch pipe is provided with the airway tube, stop valve is provided with the branch pipe；
The first check valve is provided with the airway tube between branch pipe and the inflator, first check valve causes gas
The compression stroke can only be entered by airway tube；The second check valve, second check valve are provided with the appendix
So that gas can only be entered in the airbag from the compression stroke.
Further,
The Soil Trace Gases harvester also includes controller and pressure sensor；The gas collecting apparatus also includes shell
Body, the pressure sensor are arranged on the inwall of housing, and the airbag is arranged in the housing；
The controller electrically connects with the pressure sensor and the drive device respectively；
The housing includes first half-shell body and the second half shell, and the first half-shell body and second half shell are removable
Unload connection.
Further,
The drive device includes motor, crank and connecting rod；One end of the crank is hinged with the casing；The crank
One end and the piston hinge, the free end of the other end and the crank is hinged；The motor is connected with the crank, described
Motor electrically connects with the controller.
Further,
The Soil Trace Gases harvester also includes base, and the base is frame like structure, and the base includes phase
To the joint face and mating surface of setting, the joint face be used for be connected with soil, set in the mating surface it is fluted, it is described recessed
Side extension closure of the groove along base；
The edge of the casing air inlet and the groove clamping.
Further,
Agitating device is additionally provided with the casing, the agitating device includes blade, the agitating device and the storage
Battery connects.
Further,
Temperature sensor and humidity sensor are provided with the casing.
Further,
The casing is made up of lucite.
Further,
A kind of Soil Trace Gases acquisition method, described Soil Trace Gases harvester, including following step are used
Suddenly；
A. casing is buckled on soil so that air inlet is connected with soil；
B. ventilating fan is opened, the waste gas in casing is discharged；
C. escaping gas in soil is collected using gas collector.
The beneficial effects of the invention are as follows：
The Soil Trace Gases harvester that is obtained by above-mentioned design of the present invention and method, during concrete operations, by casing
It is buckled on soil so that air inlet is connected with soil；Ventilating fan is opened, the waste gas in casing is discharged.Escaped from soil
Gas can be entered in casing, finally fill up whole casing.Then the gas collection in casing is risen using gas collector
Come, laboratory research is taken to for researcher.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of embodiment of the present invention
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the collection device of greenhouse that the embodiment of the present invention 1 provides；
Fig. 2 is the top view for Fig. 1 that the embodiment of the present invention 1 provides；
Fig. 3 is the top view of the base of embodiment of the present invention offer in Fig. 1；
Fig. 4 is the assembling schematic diagram of the parts such as mounting cylinder, airway tube and inflator that embodiment of the present invention provides.
Icon：100- Soil Trace Gases harvesters；110- casings；111- air inlets；120- mounting cylinders；130- air drafts
Fan；140- airway tubes；The check valves of 141- first；142- branch pipes；1422- stop valves；150- gas collectors；152- pumping dresses
Put；1522- pump bowls；1523- compression strokes；1524- pistons；153- drive devices；1532- motors；1534- cranks；1536-
Connecting rod；154- gas collecting apparatus；160- appendixs；The check valves of 162- second；170- controllers；180- bases.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement guarantor below
The scope of the present invention of shield, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
In the description of the invention, it is to be understood that the term of indicating position or position relationship is based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified equipment
Or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve to indicate or implying relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure
Must be fully horizontal, but can be slightly tilted.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with or below second feature
Directly contacted including the first and second features, can also include the first and second features not be direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above to include fisrt feature special second
Directly over sign and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height
Less than second feature.
Embodiment 1：
A kind of collection device of greenhouse, such as Fig. 1 are present embodiments provided, mainly includes casing 110, airway tube 140, gas
Body collection device 150 and battery.Air inlet 111 and gas outlet are provided with casing 110, the position of gas outlet is provided with peace
Fitted tube 120.Airway tube 140 is arranged on the outside of casing 110, and its one end is connected with the gas outlet of casing 110, and the other end is received with gas
Acquisition means 150 connect.Ventilating fan 130 is provided with mounting cylinder 120, for the gas in casing 110 to be discharged into gas collection
In device 150；Ventilating fan 130 is connected with storage battery.
Specifically, as Fig. 1 and Fig. 2, casing 110 are made by lucite, generally rectangular-shape includes five
Individual side plate, the one block of side plate lacked forms air inlet 111, for being connected with soil.Temperature sensor is provided with casing 110
And humidity sensor.Gas outlet is arranged on the side plate of casing 110, and mounting cylinder 120, mounting cylinder are provided with gas outlet
120 run through gas outlet.Airway tube 140 is connected with mounting cylinder 120, is received for the gas in mounting cylinder 120 to be exported into gas
In acquisition means 150.Branch pipe 142 is provided with airway tube 140, stop valve 1422 is provided with branch pipe 142, for collecting gas
Before by hair waste gas discharge in casing 110.Battery and controller 170 are additionally provided with casing 110, controller 170 employs
Single-chip microcomputer.
Certainly, the material of casing 110 is not limited to lucite, can be metal material in other embodiments, such as
Stainless steel or aluminium alloy；Can also be plastics.Or the shape of casing 110 can also be other shapes, such as it can be cylinder
Shape.
Such as Fig. 1 and Fig. 3, the air inlet 111 of casing 110 is provided with base 180, and base 180 is frame like structure, base 180
Including the joint face being oppositely arranged and mating surface, joint face is used to be connected with soil, sets fluted in mating surface, and groove is the bottom of along
The side extension closure of seat 180；The edge of the air inlet 111 of casing 110 and groove clamping.
As shown in Figure 1, Figure 2 and Fig. 4, the gas collector 150 include air extractor 152, gas collecting apparatus 154, appendix
160 and drive device 153.Air extractor 152 includes inflator and piston 1524, and piston 1524 is slidably connected with inflator, piston
1524 surround compression stroke 1523 with the barrel of inflator.One end of airway tube 140 connects with mounting cylinder 120, the other end and inflator
Compression stroke 1523 connect.It is provided with the first check valve 141 on airway tube 140 between branch pipe 142 and pump bowl 1522, first
Check valve 141 causes gas to enter compression stroke 1523 by airway tube 140；It is single that second is provided with appendix 160
To valve 162, the second check valve 162 causes gas to be entered from compression stroke 1523 in gas collecting apparatus 154.
Specifically, gas collecting apparatus 154 includes airbag and housing, and airbag is connected with compression stroke 1523 by appendix 160,
And set in the housing.Airbag gradually expands in gas replenishment process, and housing is used for the excessive expansion for limiting airbag.And in housing
Inwall on be provided with pressure sensor, when airbag expand extruding housing when, pressure sensor measures pressure signal, and is sent to
Controller 170.Removed for the ease of airbag, housing includes first half-shell body and the second plate housing, and both are detachably connected.
Drive device 153 includes motor 1532, crank 1534 and connecting rod 1536, and one end and the casing 110 of crank 1534 are cut with scissors
Connect, one end of crank 1534 is be hinged with piston 1524, and the free end of the other end and crank 1534 is hinged.Motor 1532 and crank
1534 connections, for driving crank 1534 to rotate, and motor 1532 electrically connects with controller 170.
The operating process for the collection device of greenhouse that the present embodiment provides and operation principle are as follows：
In order to obtain Soil Trace Gases sample, need to discharge the waste gas in casing 110 before greenhouse gases are gathered.
Start fan, the stop valve 1422 of the branch pipe 142 of airway tube 140 is opened, through after a period of time, the waste gas in casing 110 is arranged
Go out, the inside is filled with the escaping gas from soil.Now, stop valve 1422 is closed, starts drive device 153, so as to gas
Collection device 150 starts to collect gas.Piston 1524 moves reciprocatingly under the driving of drive device 153, constantly from casing
Gas bleeding and it is charged in 110 in gas collecting apparatus 154.When the pressure sensor of gas collecting apparatus 154 detects pressure to setting value
When, controller 170 is sent a signal to, controller 170 closes motor 1532.
It should be noted that the present embodiment is preferred embodiment, in other embodiments, can not there is no base 180 yet.
Embodiment 2：
A kind of greenhouse gases acquisition method is present embodiments provided, the greenhouse gases provided in embodiment 1 are mainly provided
Harvester, comprise the following steps：
A. casing 110 is buckled on soil so that air inlet 111 is connected with soil；
B. ventilating fan 130 is opened, the waste gas in casing 110 is discharged；
C. escaping gas in soil is collected using gas collector 150.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. Soil Trace Gases harvester, it is characterised in that including：Casing, the casing include air inlet and gas outlet, and the air inlet is used to be connected with soil；Mounting cylinder, the mounting cylinder are arranged in the casing, and one end of the mounting cylinder is connected with the gas outlet, the peace Ventilating fan is provided with fitted tube；Airway tube, the airway tube are arranged on outside the casing, and one end of the airway tube is connected with the gas outlet；Gas collector, the gas collector are connected with the airway tube；Battery, the battery are connected with the ventilating fan.
- 2. Soil Trace Gases harvester according to claim 1, it is characterised in that the gas collector bag Include：Air extractor, the air extractor include inflator and piston；The piston is slidably connected with the inflator, the piston with The barrel of the inflator surrounds compression stroke；Drive device, the drive device are connected with the piston, for driving the piston to move reciprocatingly；Gas collecting apparatus, the gas collecting apparatus include airbag, and the airbag is connected with the compression stroke by appendix；Branch pipe is provided with the airway tube, stop valve is provided with the branch pipe；The first check valve is provided with the airway tube between branch pipe and the inflator, first check valve causes gas can only The compression stroke is entered by airway tube；The second check valve is provided with the appendix, second check valve causes Gas can only be entered in the airbag from the compression stroke.
- 3. Soil Trace Gases harvester according to claim 2, it is characterised in that the Soil Trace Gases collection Device also includes controller and pressure sensor；The gas collecting apparatus also includes housing, and the pressure sensor is arranged on housing Inwall on, the airbag is arranged in the housing；The controller electrically connects with the pressure sensor and the drive device respectively；The housing includes first half-shell body and the second half shell, and the first half-shell body detachably connects with second half shell Connect.
- 4. Soil Trace Gases harvester according to claim 3, it is characterised in that the drive device includes electricity Machine, crank and connecting rod；One end of the crank is hinged with the casing；One end of the crank and the piston hinge, it is another The free end with the crank is held to be hinged；The motor is connected with the crank, and the motor electrically connects with the controller.
- 5. Soil Trace Gases harvester according to claim 1, it is characterised in that the Soil Trace Gases collection Device also includes base, and the base is frame like structure, and the base includes joint face and the mating surface being oppositely arranged, the company Junction is used to be connected with soil, and fluted, side extension closure of the groove along base is set in the mating surface；The edge of the casing air inlet and the groove clamping.
- 6. Soil Trace Gases harvester according to claim 1, it is characterised in that be additionally provided with and stir in the casing Device is mixed, the agitating device includes blade, and the agitating device is connected with the battery.
- 7. Soil Trace Gases harvester according to claim 1, it is characterised in that be provided with temperature in the casing Sensor and humidity sensor.
- 8. Soil Trace Gases harvester according to claim 1, it is characterised in that the casing is by lucite It is made.
- 9. Soil Trace Gases harvester according to claim 1, it is characterised in that the casing is rectangular-shape, Casing includes five side plates.
- 10. a kind of Soil Trace Gases acquisition method, has used the Soil Trace Gases described in claim 1 to 9 any one Harvester, it is characterised in that comprise the following steps；A. casing is buckled on soil so that air inlet is connected with soil；B. ventilating fan is opened, the waste gas in casing is discharged；C. escaping gas in soil is collected using gas collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798227.9A CN107389386A (en) | 2017-09-06 | 2017-09-06 | Soil Trace Gases harvester and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798227.9A CN107389386A (en) | 2017-09-06 | 2017-09-06 | Soil Trace Gases harvester and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107389386A true CN107389386A (en) | 2017-11-24 |
Family
ID=60352039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710798227.9A Pending CN107389386A (en) | 2017-09-06 | 2017-09-06 | Soil Trace Gases harvester and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107389386A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781476A (en) * | 2019-02-28 | 2019-05-21 | 中山大学惠州研究院 | The distribution mode of VOCs detection device and its sample cover in laboratory environment |
| CN110501192A (en) * | 2019-08-21 | 2019-11-26 | 中国水利水电科学研究院 | A kind of constant temperature, closed soil respiration collection device |
| CN112903379A (en) * | 2021-01-28 | 2021-06-04 | 北京林业大学 | Automatic soil gas collecting equipment |
| CN113532965A (en) * | 2021-06-28 | 2021-10-22 | 鞍钢集团北京研究院有限公司 | Coking gas collection apparatus and method |
| CN113833983A (en) * | 2021-09-24 | 2021-12-24 | 贵州省生物研究所 | Forest soil methane collecting device and collecting method thereof |
| CN115301039A (en) * | 2022-05-27 | 2022-11-08 | 华北水利水电大学 | Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide |
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| CN207351755U (en) * | 2017-09-06 | 2018-05-11 | 中国农业科学院草原研究所 | Soil Trace Gases harvester |
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| CN201464251U (en) * | 2009-03-26 | 2010-05-12 | 东北农业大学 | Farmland greenhouse gas sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110501192A (en) * | 2019-08-21 | 2019-11-26 | 中国水利水电科学研究院 | A kind of constant temperature, closed soil respiration collection device |
| CN110501192B (en) * | 2019-08-21 | 2020-09-25 | 中国水利水电科学研究院 | Constant-temperature and airtight soil respiration collection device |
| CN112903379A (en) * | 2021-01-28 | 2021-06-04 | 北京林业大学 | Automatic soil gas collecting equipment |
| CN113532965A (en) * | 2021-06-28 | 2021-10-22 | 鞍钢集团北京研究院有限公司 | Coking gas collection apparatus and method |
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