CN109142632A - Soil and Atmospheric CO2And δ13C profile synergistic observation system - Google Patents
Soil and Atmospheric CO2And δ13C profile synergistic observation system Download PDFInfo
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- CN109142632A CN109142632A CN201810968150.XA CN201810968150A CN109142632A CN 109142632 A CN109142632 A CN 109142632A CN 201810968150 A CN201810968150 A CN 201810968150A CN 109142632 A CN109142632 A CN 109142632A
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- 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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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Abstract
The invention discloses a kind of soil and Atmospheric COs2And δ13C profile synergistic observation system, including sampling system, calibration system, control system and analysis system；Gas in the sampling system acquisition atmosphere and soil；The switching of the control system control gas circuit；The calibration system carries out on-line proving to analysis system；The analysis system is to the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2And δ13C is detected.Soil and Atmospheric CO of the invention2And δ13C profile synergistic observation system acquires the gas in atmosphere and soil by sampling system, and the gas in atmosphere collected and soil is delivered to control system；The switching of gas circuit is controlled by control system；On-line proving is carried out to analysis system by calibration system；And by analysis system to the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2And δ13C is detected, it is thus achieved that soil and Atmospheric CO2And δ13C profile synergistic observation.
Description
Technical field
The present invention relates to a kind of soil biogeochemistry process carbon dioxide isotope Integrated Observation Systems, more particularly to
Soil and Atmospheric CO2And δ13C profile synergistic observation system.
Background technique
Soil and Atmospheric CO2And δ13The detection of C profile has great importance for carbon cycle, passes through soil CO2And δ13C
The METHOD FOR CONTINUOUS DETERMINATION of the diffusion of flux will be obviously improved researcher for soil profile different depth CO2And δ13C feature and
The cognitive ability of its migration mechanism；The development of on-line continuous observation technology, have traditional Radioisotope Measuring Technology and approach without
Analogous advantage, can be greatly facilitated scientist to decomposition of soil organic matter dynamic with mechanism of action in terms of understanding.
But in the prior art and be not present soil and Atmospheric CO2And δ13C profile synergistic observation system
Summary of the invention
It is an object of the present invention to provide a kind of soil and Atmospheric COs2And δ13C profile synergistic observation system, solves above-mentioned technology
Problem.
The present invention solves technical problem and adopts the following technical scheme that a kind of soil and Atmospheric CO2And δ13C profile synergistic observation
System comprising sampling system, calibration system, control system and analysis system；
The sampling system is used to acquire gas in atmosphere and soil, and by the gas in atmosphere collected and soil
Body is delivered to analysis system by control system；
The control system is used to control the switching of gas circuit；
The calibration system is used to carry out on-line proving to analysis system result；
The analysis system is used for the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2
And δ13C is detected.
Optionally, the sampling system includes flux tower, takes gas probe, atmosphere appendix and soil appendix；It is described logical
Amount tower be fixed on ground, and on the flux tower along short transverse be disposed with it is multiple take gas to pop one's head in, it is described that gas is taken to visit
Head is for acquiring atmosphere；
It is described that gas probe is taken to connect by filter with atmosphere appendix；
The soil appendix is embedded in soil, and is successively horizontally disposed with along depth direction；The soil appendix
For waterproof ventilative material preparation.
Optionally, the quantity for taking gas to pop one's head in is 6；And/or the quantity of the soil appendix is 6.
Optionally, the atmosphere appendix is 1/4 inch of teflon pipe, and in the outer of 1/4 inch of teflon pipe
Heat-preservation cotton is enclosed on wall；The soil appendix uses 1/8 inch of teflon pipe.
Optionally, the control system includes busbar connector, 16 tunnels convolution valve and dilution device；
The interface quantity of the busbar connector is more than or equal to the quantity of the atmosphere appendix, and each of the busbar connector connects
Threeway, and the connection with a port of the threeway are provided on mouthful；Each takes gas probe respectively by being connected thereto
Atmosphere appendix be connected to another port of threeway；The busbar connector takes gas general pipeline to be connected with auxiliary pump, the atmosphere
Barometric damper is provided on appendix；
The third port of the threeway is connected to the air inlet of 16 road busbar connectors, the outlet of the 16 tunnel convolution valve
Mouth is connected to analytical equipment by filter；
The soil appendix is connected to 16 road busbar connectors by dilution device, the dilution device simultaneously also with zero gas cylinder
Connection.
Optionally, it when the interface quantity of busbar connector is greater than the quantity of atmosphere and soil appendix, is not used on busbar connector
Interface carry out closure processing.
Optionally, the calibration system includes the first standard gas bottle, the second standard gas bottle and third standard gas bottle, first standard gas
Bottle, the second standard gas bottle and third standard gas bottle are all connected to the air inlet of 16 tunnels convolution valve.
Optionally, the analysis system uses PICARRO G2131-i host.
Optionally, the dilution device includes the one or eight channel solenoid valve, the first mixing chamber and the second mixing chamber；
One or the eight channel solenoid valve include 8 air inlet ports and two exhaust ports, wherein 8 air inlet ports with
Two exhaust port connections；
6 soil appendixs are connected to 6 air inlet ports of the one or eight channel solenoid valve, and the described 1st is logical
7th air inlet port of road solenoid valve is connected to earth's surface air inlet port, the 8th inlet end of the one or the eight channel solenoid valve
Mouth closing；
The exhaust port of one or the eight channel solenoid valve is pumped by the first low flow velocity and the first mass flowmenter and first
Mixing chamber connection, the exhaust port of the one or the eight channel solenoid valve also pass through the second low flow velocity pump and the second mass flowmenter and
The second mixing chamber connection；
Be provided with pressure reducing valve on zero gas cylinder, the outlet of the pressure reducing valve by third mass flowmenter and solenoid valve with
The connection of first mixing chamber；The outlet of the pressure reducing valve also passes through the 4th mass flowmenter and solenoid valve is connected to the second mixing chamber；
The exhaust outlet of first mixing chamber is communicated with the atmosphere by check valve, and the exhaust outlet of first mixing chamber is also logical
Cross the A mouth of piping connection to two-bit triplet solenoid valve；
The exhaust outlet of second mixing chamber is communicated with the atmosphere by check valve, and the exhaust outlet of second mixing chamber is also logical
Cross the B mouth of piping connection to two-bit triplet solenoid valve；
The P mouth of the two-bit triplet solenoid valve is connected to 16 tunnels convolution valve.
The invention has the following beneficial effects: soil of the invention and Atmospheric COs2And δ13C profile synergistic observation system is led to
Gas in over-sampling system acquisition atmosphere and soil, and the gas in atmosphere collected and soil is delivered to analysis system
System；The switching of gas circuit is controlled by control system；On-line proving is carried out to analysis system by calibration system；And pass through analysis
System is to the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2And δ13C is detected, thus real
Soil and Atmospheric CO are showed2And δ13C profile synergistic observation.
Detailed description of the invention
Fig. 1 is soil and Atmospheric CO of the invention2And δ13The structural schematic diagram of C profile synergistic observation system；
Fig. 2 is soil and Atmospheric CO of the invention2And δ13The structural schematic diagram of C profile synergistic observation system；
The mark in the figure shows: 1- flux tower；2- takes gas to pop one's head in；3- atmosphere appendix；4- soil appendix；5- waterproof is saturating
Gas material；6- busbar connector；7- barometric damper；8- filter；The one or eight channel solenoid valve of 11-；The two or eight channel electromagnetism of 12-
Valve；The first low flow velocity of 13- pump；The first mass flowmenter of 14-；The first mixing chamber of 15-；The second low flow velocity of 16- pump；The second matter of 17-
Measure flowmeter；The second mixing chamber of 18-；19- pressure reducing valve；20- third mass flowmenter；The first solenoid valve of 21-；The 4th mass of 22-
Flowmeter；23- second solenoid valve；24- two-bit triplet solenoid valve；25- auxiliary circulating pump.
Specific embodiment
Technical solution of the present invention is further elaborated below with reference to examples and drawings.
Embodiment 1
Present embodiments provide a kind of soil and Atmospheric CO2And δ13C profile synergistic observation system comprising sampling system,
Calibration system, control system and analysis system.
The sampling system is used to acquire gas in atmosphere and soil, and by the gas in atmosphere collected and soil
Body is delivered to analysis system by control system；The sampling system includes flux tower, takes gas probe, atmosphere appendix and soil
Appendix；The flux tower is fixed on ground, and is disposed on the flux tower along short transverse and multiple gas is taken to visit
Head, it is described to take gas probe for acquiring atmosphere；As a way of realization, in the present embodiment, the quantity for taking gas to pop one's head in
It is 6.
It is described that gas probe is taken to connect by filter with atmosphere appendix, to take gas to pop one's head in described by the filter
Dust in atmosphere collected is filtered, and in the present embodiment, the atmosphere appendix is 1/4 inch of teflon pipe, and
It is enclosed with heat-preservation cotton on the outer wall of 1/4 inch of teflon pipe, to make the atmosphere appendix by the heat-preservation cotton
Interior temperature is constant.
The soil appendix is embedded in soil, and is successively horizontally disposed with along depth direction.The soil appendix
It is prepared using waterproof ventilative material, so that the soil appendix can acquire the gas in soil, and by the soil
Gas in appendix soil collected is delivered to dilution device, and the soil gas transmission tube edge is provided with temperature sensor
And humidity sensor.
It is highly preferred that the soil appendix uses 1/8 inch of teflon pipe, and as a way of realization, it is described
The quantity of soil appendix is 6.
The control system is used to control the switching of gas circuit, i.e. the control gas that is input to analysis system, in the present embodiment,
The control system includes busbar connector, 16 tunnels convolution valve and dilution device.
The interface quantity of the busbar connector is more than or equal to the quantity of the atmosphere appendix, and each of the busbar connector connects
Threeway, and the connection with a port of the threeway are provided on mouthful；Each takes gas probe respectively by being connected thereto
Atmosphere appendix be connected to another port of threeway；In the present embodiment, when the interface quantity of busbar connector is greater than atmosphere gas transmission
When the quantity of pipe, the interface not used on busbar connector carries out closure processing.
The busbar connector takes gas general pipeline to be connected with auxiliary pump (not shown), to be realized by auxiliary pump to gas
Circulatory function, moreover, barometric damper is provided on the atmosphere appendix, by adjusting barometric damper, realization pair
The charge flow rate of each atmosphere appendix is adjusted.
The third port of the threeway passes through the air inlet that 1/4 inch of stainless steel tube is connected to 16 road busbar connectors, institute
The gas outlet for stating 16 tunnels convolution valve is connected to analytical equipment by filter.
Moreover, the soil appendix is connected to 16 road busbar connectors by dilution device, the dilution device simultaneously also with
The connection of zero gas cylinder carries out equal proportion dilution to the atmosphere in soil to realize by zero gas in zero gas cylinder.
With reference to Fig. 2, the dilution device includes the one or eight channel solenoid valve, the first mixing chamber and the second mixing chamber.
One or the eight channel solenoid valve include 8 air inlet ports and two exhaust ports, wherein 8 air inlet ports with
Two exhaust port connections.
6 soil appendixs are connected to 6 air inlet ports of the one or eight channel solenoid valve, and the described 1st is logical
7th air inlet port of road solenoid valve is connected to earth's surface air inlet port, the 8th inlet end of the one or the eight channel solenoid valve
Mouth closing, to pass through the selection air inlet that the one or the eight channel solenoid valve realizes soil appendix；In the present embodiment, described
The exhaust port of one or eight channel solenoid valves is pumped by the first low flow velocity and the first mass flowmenter is connected to the first mixing chamber, thus
By the 1st air inlet port (corresponding first soil appendix) of the one or the eight channel solenoid valve, the 3rd air inlet port (corresponding third
Soil appendix), the 5th air inlet port (corresponding 5th soil appendix) and the 7th air inlet port (correspondence earth's surface air inlet end
Mouthful) corresponding to gas be input to the first mixing chamber.
Meanwhile the exhaust port of the one or the eight channel solenoid valve also passes through the second low flow velocity pump and the second mass flowmenter
It is connected to second mixing chamber, thus by the 2nd air inlet port (the corresponding second soil gas transmission of the one or the eight channel solenoid valve
Pipe), corresponding to the 4th air inlet port (corresponding 4th soil appendix) and the 6th air inlet port (the 6th soil appendix of correspondence)
Gas is input to the second mixing chamber.
Pressure reducing valve is provided on zero gas cylinder, the outlet of the pressure reducing valve passes through third mass flowmenter and the first electromagnetism
Valve is connected to the first mixing chamber；Moreover, the outlet of the pressure reducing valve also passes through the 4th mass flowmenter and second solenoid valve and the
Zero gas is injected the first mixing chamber and the second mixing chamber by the connection of two mixing chambers, and in the first mixing chamber and the second mixing chamber
In, the volume ratio of gas and zero gas for keeping soil appendix to be conveyed is 1:24, with to the gas acquired from soil into
Row dilution.
In the present embodiment, the exhaust outlet of first mixing chamber is communicated with the atmosphere by check valve, and the check valve
Only gas is allowed to be expelled to atmosphere from the first mixing chamber, and the exhaust outlet of first mixing chamber also passes through piping connection to two
The A mouth (air inlet) of position-3-way solenoid valve.
The exhaust outlet of second mixing chamber is communicated with the atmosphere by check valve, and the check valve only allow gas from
Second mixing chamber is expelled to atmosphere, and the exhaust outlet of second mixing chamber also passes through piping connection to two-bit triplet solenoid valve
B mouth (air inlet).
The P mouth (outlet) of the two-bit triplet solenoid valve is connected to 16 tunnels convolution valve, will be mixed by 16 tunnels convolution valve
Gas after conjunction is input to analysis system.
It is highly preferred that the dilution device further includes the two or eight channel solenoid valve, the two or the eight channel solenoid valve includes
Two air inlet ports and 8 exhaust ports, two of them air inlet port are connected to 8 exhaust ports.
Another exhaust port of one or the eight channel solenoid valve is connected to the two or eight channel by auxiliary circulating pump
The air inlet port of solenoid valve, another air inlet port closing of the two or the eight channel solenoid valve, the two or the eight channel solenoid valve
8 exhaust ports in two closing, in addition 6 be connected separately with soil escape pipe, the soil escape pipe and soil into
Tracheae is corresponding, and is inserted in soil.
In the present embodiment, the calibration system is used to carry out on-line proving to analysis system, as a way of realization, institute
Stating calibration system includes the first standard gas bottle, the second standard gas bottle and third standard gas bottle, the first standard gas bottle, the second standard gas bottle and the
Three standard gas bottles pass through the air inlet that 1/4 stainless steel tube is connected to 16 tunnels convolution valve, thus by the first mark in the first standard gas bottle
The third standard gas of gas, the second standard gas of the second standard gas bottle and third standard gas bottle is input to 16 tunnels convolution valve, and is further input to
Analysis system demarcates the analysis system.
The analysis system is used for the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2
And δ13C is detected, to realize soil and Atmospheric CO2And δ13C profile synergistic observation, also, pass through the first standard gas, the second mark
Gas and third standard gas demarcate analysis system, and in the present embodiment, the analysis system uses PICARRO G2131-i master
Machine, and the host can be with external-connection displayer, to realize the display to detection data.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of soil and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that including sampling system, calibration system
System, control system and analysis system；
The sampling system is used to acquire the gas in atmosphere and soil, and the gas in atmosphere collected and soil is led to
It crosses control system and is delivered to analysis system；
The control system is used to control the switching of gas circuit；
The calibration system is used to carry out on-line proving to analysis system result；
The analysis system is used for the CO in atmosphere2And δ13C is detected, and to the CO in the gas in soil2And δ13C
It is detected.
2. soil according to claim 1 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that described to adopt
Sample system includes flux tower, takes gas probe, atmosphere appendix and soil appendix；The flux tower is fixed on ground, and
On the flux tower along short transverse be disposed with it is multiple take gas to pop one's head in, it is described take gas probe for acquiring atmosphere；
It is described that gas probe is taken to connect by filter with atmosphere appendix；
The soil appendix is embedded in soil, and is successively horizontally disposed with along depth direction；The soil appendix is anti-
The preparation of water gas permeable material.
3. soil according to claim 2 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that described to take
The quantity of gas probe is 6；And/or the quantity of the soil appendix is 6.
4. soil according to claim 2 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that described big
Gas appendix is 1/4 inch of teflon pipe, and is enclosed with heat-preservation cotton on the outer wall of 1/4 inch of teflon pipe；It is described
Soil appendix uses 1/8 inch of teflon pipe.
5. soil according to claim 2 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that the control
System processed includes busbar connector, 16 tunnels convolution valve and dilution device；
The interface quantity of the busbar connector is more than or equal to the quantity of the atmosphere appendix, on each interface of the busbar connector
It is provided with threeway, and the connection with a port of the threeway；Each takes gas probe respectively by connected to it big
Gas appendix is connected to another port of threeway；The busbar connector takes gas general pipeline to be connected with auxiliary pump, the atmosphere gas transmission
Barometric damper is provided on pipe；
The third port of the threeway is connected to the air inlet of 16 road busbar connectors, and the gas outlet of the 16 tunnel convolution valve is logical
It crosses filter and is connected to analytical equipment；
The soil appendix is connected to 16 road busbar connectors by dilution device, and the dilution device also connects with zero gas cylinder simultaneously
It is logical.
6. soil according to claim 5 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that work as confluence
When the interface quantity of row is greater than the quantity of atmosphere and soil appendix, the interface not used on busbar connector carries out closure processing.
7. soil according to claim 5 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that the mark
Determining system includes the first standard gas bottle, the second standard gas bottle and third standard gas bottle, the first standard gas bottle, the second standard gas bottle and third mark
Gas cylinder is all connected to the air inlet of 16 tunnels convolution valve.
8. soil according to claim 1 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that described point
Analysis system uses PICARRO G2131-i host.
9. soil according to claim 5 and Atmospheric CO2And δ13C profile synergistic observation system, which is characterized in that described dilute
Release device includes the one or eight channel solenoid valve, the first mixing chamber and the second mixing chamber；
One or the eight channel solenoid valve include 8 air inlet ports and two exhaust ports, wherein 8 air inlet ports with two
Exhaust port connection；
6 soil appendixs are connected to 6 air inlet ports of the one or eight channel solenoid valve, the one or the eight channel electricity
7th air inlet port of magnet valve is connected to earth's surface air inlet port, the 8th air inlet port envelope of the one or the eight channel solenoid valve
It closes；
The exhaust port of one or the eight channel solenoid valve passes through the first low flow velocity pump and the first mass flowmenter and the first mixed gas
Room connection, the exhaust port of the one or the eight channel solenoid valve also pass through the second low flow velocity pump and the second mass flowmenter with it is described
The connection of second mixing chamber；
Pressure reducing valve is provided on zero gas cylinder, the outlet of the pressure reducing valve passes through third mass flowmenter and solenoid valve and first
Mixing chamber connection；The outlet of the pressure reducing valve also passes through the 4th mass flowmenter and solenoid valve is connected to the second mixing chamber；
The exhaust outlet of first mixing chamber is communicated with the atmosphere by check valve, and the exhaust outlet of first mixing chamber also passes through pipe
Road is connected to the A mouth of two-bit triplet solenoid valve；
The exhaust outlet of second mixing chamber is communicated with the atmosphere by check valve, and the exhaust outlet of second mixing chamber also passes through pipe
Road is connected to the B mouth of two-bit triplet solenoid valve；
The P mouth of the two-bit triplet solenoid valve is connected to 16 tunnels convolution valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968150.XA CN109142632B (en) | 2018-08-23 | 2018-08-23 | Soil and atmospheric CO2And13c-profile cooperative observation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968150.XA CN109142632B (en) | 2018-08-23 | 2018-08-23 | Soil and atmospheric CO2And13c-profile cooperative observation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109142632A true CN109142632A (en) | 2019-01-04 |
| CN109142632B CN109142632B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810968150.XA Expired - Fee Related CN109142632B (en) | 2018-08-23 | 2018-08-23 | Soil and atmospheric CO2And13c-profile cooperative observation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820196A (en) * | 2021-09-01 | 2021-12-21 | 中国科学院地理科学与资源研究所 | CO (carbon monoxide)2High-concentration online dilution system and dilution method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202049074U (en) * | 2011-04-19 | 2011-11-23 | 北京中晟泰科环境科技发展有限责任公司 | Gas sampling valve plate device |
| CN104316645A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院地理科学与资源研究所 | Soil CO2, CH4 and N2O flux cooperative measuring device |
| CN106353278A (en) * | 2016-10-26 | 2017-01-25 | 中国科学院地理科学与资源研究所 | Device for continuous measurement of breathing delta13C of soil microorganisms |
| CN107389586A (en) * | 2017-09-04 | 2017-11-24 | 中国科学院地理科学与资源研究所 | δ13C METHOD FOR CONTINUOUS DETERMINATION systems |
| CN207571134U (en) * | 2017-12-27 | 2018-07-03 | 中国地质大学（北京） | A kind of soil vertical section air in-situ monitoring device |
-
2018
- 2018-08-23 CN CN201810968150.XA patent/CN109142632B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202049074U (en) * | 2011-04-19 | 2011-11-23 | 北京中晟泰科环境科技发展有限责任公司 | Gas sampling valve plate device |
| CN104316645A (en) * | 2014-10-09 | 2015-01-28 | 中国科学院地理科学与资源研究所 | Soil CO2, CH4 and N2O flux cooperative measuring device |
| CN106353278A (en) * | 2016-10-26 | 2017-01-25 | 中国科学院地理科学与资源研究所 | Device for continuous measurement of breathing delta13C of soil microorganisms |
| CN107389586A (en) * | 2017-09-04 | 2017-11-24 | 中国科学院地理科学与资源研究所 | δ13C METHOD FOR CONTINUOUS DETERMINATION systems |
| CN207571134U (en) * | 2017-12-27 | 2018-07-03 | 中国地质大学（北京） | A kind of soil vertical section air in-situ monitoring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820196A (en) * | 2021-09-01 | 2021-12-21 | 中国科学院地理科学与资源研究所 | CO (carbon monoxide)2High-concentration online dilution system and dilution method thereof |
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| CN109142632B (en) | 2020-10-02 |
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