CN219695050U - Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland - Google Patents
Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland Download PDFInfo
- Publication number
- CN219695050U CN219695050U CN202320461159.8U CN202320461159U CN219695050U CN 219695050 U CN219695050 U CN 219695050U CN 202320461159 U CN202320461159 U CN 202320461159U CN 219695050 U CN219695050 U CN 219695050U
- Authority
- CN
- China
- Prior art keywords
- main body
- box body
- gas
- box
- observation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000004907 flux Effects 0.000 title claims abstract description 35
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 26
- 150000003839 salts Chemical class 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 90
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 56
- 238000000605 extraction Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000012267 brine Substances 0.000 claims 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 241001149258 Sporobolus alterniflorus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland, which comprises a main body, a base, a gas mixing assembly and a measuring piece; the base is provided with a notch, and the main body is arranged on the base through the notch; the gas mixing component is arranged on the inner side surface of the main body and is used for fully mixing the gas in the main body; the measuring piece is arranged in the main body and is used for monitoring data of mixed gas in the main body; the body is detachable into a plurality of separate bodies. The utility model can perform gas exchange flux measurement on a large vegetation community of the salt marsh wetland, and the main body adopts a sectional design, can be disassembled into a plurality of split bodies, and solves the problem that the transportation and the carrying transfer are difficult due to the large volume of the device; according to the utility model, the greenhouse gas in the observation device can be fully and uniformly mixed through the gas mixing assembly, and then the specific data of the mixed gas in the device is monitored through the measuring piece.
Description
Technical Field
The utility model relates to the technical field of gas measurement, in particular to a greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland.
Background
The wetland ecosystem is an important "source" or "sink" of active gases affecting climate change, and as human activities increase and climate change aggravates, the effect of the active gases of the wetland ecosystem on global climate change is increasingly focused.
The method for measuring the exchange flux of active gas in the wetland ecosystem mainly comprises a static tank method and a whirlpool related method. At present, the most commonly used measurement method at home and abroad is a method for combining a static box with a gas chromatograph, wherein the method is to cover a static box with a fixed area above wetland soil, extract gas after a period of time, analyze the gas by the gas chromatograph, calculate the change rate of the concentration of active gas in the box, obtain the exchange flux of the active gas, and has the advantages of higher feasibility, simple operation, lower cost and the like;
however, the existing static tanks are limited by volume and quality, so that flexible deployment is difficult, and therefore, the existing static tanks are small-sized static tanks which can only be used for observing the gas exchange flux of wetland soil, sediment or low vegetation communities; if the large static box is used for measuring the gas exchange flux of the vegetation which is high in the wetland, the problems of difficult transportation and carrying are encountered.
For example, CN209495968U discloses an on-line monitoring device for the gas flux of a grassland greenhouse, provided with a static tank; the lower end of the static box is opened, the upper end of the static box is embedded with two double-hole rubber plugs, one through hole of the two double-hole rubber plugs is respectively penetrated by an air pipe and a thermometer, the outer side of the air pipe is sleeved with a three-way valve, and the other through hole is a gas exchange port; the two gas exchange ports of the static box are communicated with the gas inlet and the gas outlet of the gas detector through gas pipes; the bottom of the outer side of the static box is sleeved with a rubber anti-collision strip, and the outer side of the rubber anti-collision strip is sleeved and fixed with a base;
the technical scheme has the advantages of small disturbance, light weight and easy operation, is beneficial to long-term expansion of monitoring, avoids a gas storage link, and prevents the accuracy of gas data from being influenced in the storage process; however, the static tank in the technical scheme is a small static tank and can only be used for gas exchange flux observation of a low vegetation community; and the measurement of the gas exchange flux of the vegetation with higher height cannot be performed.
For example, CN106807263a discloses a static mixing box for gas, which relates to a mixer, comprising a cylinder, an air inlet, an air outlet, a swirl plate and a gas adding device, wherein the air inlet and the air outlet are respectively arranged at the left end and the right end of the cylinder, the swirl plate is arranged in the cylinder, the gas adding device comprises a vertical steel pipe and a horizontal steel pipe and is positioned at the left side of the swirl plate, the vertical steel pipe is intersected with the horizontal steel pipe and is communicated at the intersection, the air inlet end of the vertical steel pipe is positioned at the outer side of the cylinder, and a plurality of air outlet holes which are arranged at equal intervals are arranged on the vertical steel pipe and the horizontal steel pipe;
according to the technical scheme, the gas adding device is introduced into the side face of the cylinder body, so that the device can realize the mixing of one gas and other gases, and the design of the cyclone plate is adopted, so that the mixing is more uniform, the efficiency is high, the energy is saved, and the environment is protected; however, the static tank in the technical scheme is still limited by the problems of volume and quality, so that flexible deployment is difficult, the measurement of the gas exchange flux cannot be completed, and a large improvement space is provided.
In view of the above-mentioned drawbacks of the prior art, there is an urgent need for a large-sized gas exchange flux observation device capable of observing a large-sized vegetation community in a wetland, which is not limited by the problems of volume and quality, and which is difficult to transport and carry.
Disclosure of Invention
The utility model discloses a greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland, which can perform gas exchange flux measurement work on the large-scale vegetation community of the salt marsh wetland, and a main body adopts a sectional design and can be disassembled into a plurality of split bodies so as to solve the problem that the transportation and the carrying transfer are difficult due to the large volume of the device; according to the utility model, the greenhouse gas in the observation device can be fully and uniformly mixed through the gas mixing assembly, and then the specific data of the mixed gas in the device is monitored through the measuring piece.
In order to achieve the aim, the utility model provides a greenhouse gas exchange flux observation device for a large vegetation community of a salt marsh wetland, which comprises a main body, a base, a gas mixing component and a measuring piece;
the base is provided with a notch, and the main body is arranged on the base through the notch;
the gas mixing component is arranged on the inner side surface of the main body and is used for fully mixing the gas in the main body;
the measuring piece is arranged in the main body and is used for monitoring data of mixed gas in the main body;
the body is detachable into a plurality of separate bodies.
The greenhouse gas exchange flux observation device for the large vegetation communities of the salt marsh wetland can realize the observation of the gas exchange flux of the large vegetation communities of reed wetland, spartina alterniflora wetland and the like, and the main body adopts a sectional design, can be disassembled into a plurality of split bodies, and can solve the problem that the transportation and the carrying transfer are difficult due to the large volume of the device; the base is used for installing the main body, so that the stability of the device is further enhanced; the greenhouse gases in the main body can be fully and uniformly mixed through the gas mixing assembly, so that the error of a monitoring result is further reduced; the data of the mixed gas in the main body can be monitored through the measuring piece, the growth state of a large-scale vegetation community of the salt marsh wetland can be known more accurately, and the data condition of the gas exchange flux can be observed more accurately.
Preferably, the main body comprises a first box body, a second box body and a third box body, and the second box body is positioned between the first box body and the third box body;
the first barrel is detachably connected with the second box body, and a sealing assembly is arranged at the joint of the first box body and the second box body;
the second box body is detachably connected with the third box body, and a sealing assembly is arranged at the joint of the second box body and the third box body.
The main body of the utility model consists of a first box body, a second box body and a third box body, wherein the first box body and the second box body as well as the second box body and the third box body can be disassembled or assembled tightly;
the biggest difficulty of sectional type design is the leakproofness, therefore the utility model designs seal assembly, and seal assembly realizes the seal between first box and second box, second box and third box through seal assembly, guarantees the good gas tightness of device.
Preferably, the inner side surfaces of the first box body, the second box body and the third box body are respectively provided with a gas mixing assembly.
And the first box body, the second box body and the third box body are respectively provided with a gas mixing assembly, so that the mixing capability of greenhouse gases in the main body can be improved.
Preferably, the gas mixing assembly comprises at least one fan, and the fan is electrically connected with an external power supply through a power line.
The plurality of fans can help to uniformly mix the greenhouse gases in the main body.
Preferably, the sealing assembly comprises an embedded sealing ring and a rubber sealing gasket, wherein the rubber sealing gasket is arranged at the joint of the first box body and the second box body and the joint of the second box body and the third box body, and the sealing rings are connected to the upper side and the lower side of the rubber sealing gasket.
The sealing performance of the sealing assembly is enhanced by a double sealing mode of the combination of the sealing ring and the rubber sealing gasket, and the sealing ring can be matched with the main body in a large-size O-shaped sealing ring sealing mode, so that the air tightness is further ensured.
Preferably, the measuring member is a rotary thermometer through which the temperature of the mixed gas in the main body can be read.
The temperature of the mixed gas in the main body can be detected more fully through the rotary thermometer, and the accuracy of observation data is improved.
Preferably, at least one air extraction opening is formed in the main body, the position of the air extraction opening is close to the air mixing assembly, and the air sample in the main body can be extracted through the air extraction opening.
The utility model relates to a static box design, wherein a main body is in a sealed state and is provided with an air outlet and an air inlet, and the main body is large in volume, so that gas has certain shrinkage and expansion characteristics, the collection amount of a gas sample is smaller, the collection of a small amount of gas samples can not be influenced under the condition of no air inlet, the air inlet is not required, and the gas sample is only pumped out through an air pumping hole when the sampling is finished.
Preferably, the material of the main body is plexiglass; the base is made of stainless steel.
Compared with the prior art, the utility model has the following beneficial effects:
1. the greenhouse gas exchange flux observation device for the large vegetation communities of the salt marsh wetland can realize the observation of the gas exchange flux of the large vegetation communities of reed wetland, spartina alterniflora wetland and the like, and the main body adopts a sectional design, can be disassembled into a plurality of split bodies, and can solve the problem that the transportation and the carrying transfer are difficult due to the large volume of the device; the base is used for installing the main body, so that the stability of the device is further enhanced; the greenhouse gases in the main body can be fully and uniformly mixed through the gas mixing assembly, so that the error of a monitoring result is further reduced; the data of the mixed gas in the main body can be monitored through the measuring piece, the growth state of a large-scale vegetation community of the salt marsh wetland can be known more accurately, and the data condition of the gas exchange flux can be observed more accurately.
2. The main body of the utility model consists of a first box body, a second box body and a third box body, wherein the first box body and the second box body as well as the second box body and the third box body can be disassembled or assembled tightly;
the difficulty of sectional design is the problem of tightness, so that the split joint is provided with corresponding sealing assemblies, and the sealing assemblies are used for sealing the first box body, the second box body and the third box body, so that the device is ensured to have good air tightness; the sealing assembly enhances the sealing performance of the sealing assembly in a double-sealing mode of combining the sealing ring and the rubber sealing gasket, and the sealing ring can be matched with the main body in a large-size O-shaped sealing ring sealing mode, so that the air tightness is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of the present utility model;
FIG. 2 is a bottom plan view of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a second perspective view of the present utility model;
the main body 1, the first case 11, the second case 12, the third case 13, the base 2, the gas mixing assembly 3, the measuring element 4, the seal assembly 5, the seal ring 51, the rubber gasket 52, and the power cord 6 are shown in the figure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the utility model provides a greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland, which comprises a main body 1, a base 2, a gas mixing component 3 and a measuring piece 4;
the base 2 is provided with a notch, and the main body 1 is arranged on the base 2 through the notch;
the gas mixing component 3 is arranged on the inner side surface of the main body 1 and is used for fully mixing the gas in the main body 1;
the measuring piece 4 is arranged in the main body 1 and is used for monitoring data of mixed gas in the main body 1;
the main body 1 can be disassembled into a plurality of split bodies.
When the gas exchange flux observation device is required to be transported or carried, the main body 1 can be disassembled into a plurality of split bodies, when the detection place is reached, the split bodies are combined into one main body 1, the main body 1 is arranged on the base 2, so that the main body 1 is more stable, the gas in the main body 1 can be fully and uniformly mixed through the gas mixing assembly 3, and finally, the data of the mixed gas in the main body 1 is monitored through the measuring piece 4.
As shown in fig. 1 and 3-4, the main body 1 includes a first box 11, a second box 12, and a third box 13, and the second box 12 is located between the first box 11 and the third box 13;
the first box body 11 is detachably connected with the second box body 12, and a sealing assembly 5 is arranged at the joint of the first box body 11 and the second box body 12;
the second box body 12 is detachably connected with the third box body 13, and a sealing assembly 5 is arranged at the joint of the second box body 12 and the third box body 13.
According to the utility model, the main body 1 can be disassembled into the first box body 11, the second box body 12 and the third box body 13, the first box body 11, the second box body 12 and the third box body 13 can be assembled into the integral main body 1, and when the first box body 11, the second box body 12 and the third box body 13 are assembled into the main body 1, the sealing component 5 is required to be arranged at the joint of the first box body 11, the second box body 12 and the third box body 13 so as to ensure good air tightness in the main body 1.
As shown in fig. 3-4, the inner sides of the first, second and third tanks 11, 12, 13 are respectively provided with a gas mixing assembly 3.
The gas mixing assemblies 3 are arranged on the inner side surfaces of the first box body 11, the second box body 12 and the third box body 13, so that the mixing capability of the gas in the main body 1 can be improved.
As shown in fig. 2-4, the gas mixing assembly 3 includes at least one fan electrically connected to an external power source through a power cord 6.
The fans are connected to the power supply through the power line 6, the air in the main body 1 can be mixed after the fans are started, and the fans can be used for better uniformly mixing greenhouse gases in the main body.
As shown in fig. 3-4, the sealing assembly 5 includes an embedded sealing ring 51 and a rubber sealing pad 52, the connection between the first box 11 and the second box 12 and the connection between the second box 12 and the third box 13 are both provided with the rubber sealing pad 52, and the upper and lower sides of the rubber sealing pad 52 are both connected with the sealing ring 51.
The utility model uses the sealing assembly 5 composed of the embedded sealing ring 51 and the rubber sealing gasket 52 to seal the joints among the first box 11, the second box 12 and the third box 13; and the sealing performance of the sealing assembly 5 can be enhanced by a double sealing mode of combining the sealing ring 51 and the rubber sealing gasket 52, and the sealing ring 51 can be matched with the main body 1 by adopting a sealing mode of a large-size O-shaped sealing ring, so that the air tightness is further ensured.
As shown in fig. 2, the measuring element 4 is a rotary thermometer, by means of which the temperature of the mixture in the body 1 can be read.
The temperature of the mixed gas in the main body 1 can be detected more fully through the rotary thermometer, and the accuracy of observation data is improved.
At least one air extraction opening is formed in the main body 1, the position of the air extraction opening is close to the air mixing assembly 3, and the air sample in the main body 1 can be extracted through the air extraction opening.
And when the sampling is finished, the gas sample is extracted through the extraction opening, and meanwhile, the temperature in the main body 1 is read through the rotary thermometer, so that specific detection data are obtained.
The material of the main body 1 is organic glass; the base 2 is made of stainless steel.
When the large vegetation community greenhouse gas exchange flux observation device for the salt marsh wetland is used for measuring the greenhouse gas exchange flux between the large vegetation communities and the atmosphere in the salt marsh wetland, the main body 1 is split into the first box 11, the second box 12 and the third box 13, so that the transportation and the transfer are convenient; when reaching a detection destination, the first box 11, the second box 12 and the third box 13 are combined into the main body 1, and meanwhile, the sealing assembly 5 consisting of the embedded sealing ring 51 and the rubber sealing gasket 52 is used for sealing the joint between the first box 11, the second box 12 and the third box 13, so that good air tightness in the main body 1 is ensured, the gas mixing assembly 3 in each part of the boxes can ensure that gas in the boxes is fully and uniformly mixed, and at the end of sampling, a gas sample is extracted through an extraction opening, and meanwhile, the temperature in the main body 1 is read through the rotary thermometer to obtain specific detection data.
Furthermore, the terms "upper," "lower," "inner," "outer," "front," "rear" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The greenhouse gas exchange flux observation device for the large vegetation communities in the salt marsh wetland is characterized by comprising a main body (1), a base (2), a gas mixing assembly (3) and a measuring piece (4);
the base (2) is provided with a notch, and the main body (1) is arranged on the base (2) through the notch;
the gas mixing assembly (3) is arranged on the inner side surface of the main body (1) and is used for fully mixing the gas in the main body (1);
the measuring piece (4) is arranged in the main body (1) and is used for monitoring data of mixed gas in the main body (1);
the main body (1) can be disassembled into a plurality of split bodies.
2. The brine wetland large vegetation community greenhouse gas exchange flux observation device according to claim 1, wherein the main body (1) comprises a first box body (11), a second box body (12) and a third box body (13), and the second box body (12) is positioned between the first box body (11) and the third box body (13);
the first box body (11) is detachably connected with the second box body (12), and a sealing assembly (5) is arranged at the joint of the first box body (11) and the second box body (12);
the second box body (12) is detachably connected with the third box body (13), and a sealing assembly (5) is arranged at the joint of the second box body (12) and the third box body (13).
3. The greenhouse gas exchange flux observation device for the large-scale vegetation communities in the salt-marsh wetland according to claim 2, wherein the inner side surfaces of the first box body (11), the second box body (12) and the third box body (13) are respectively provided with a gas mixing component (3).
4. A greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland according to claim 1, 2 or 3, wherein the gas mixing component (3) comprises at least one fan, and the fan is electrically connected with an external power supply through a power line (6).
5. A large-scale vegetation community greenhouse gas exchange flux observation device of salt marsh wetland according to claim 2 or 3, characterized in that, seal assembly (5) is including embedded sealing washer (51), rubber seal pad (52), the junction of first box (11) and second box (12) and the junction of second box (12) and third box (13) all are equipped with rubber seal pad (52), the upper and lower both sides of rubber seal pad (52) all are connected with sealing washer (51).
6. The greenhouse gas exchange flux observation device for a large-scale vegetation community of a salt marsh wetland according to claim 1, wherein the measuring piece (4) is a rotary thermometer, and the temperature of the mixed gas in the main body (1) can be read through the rotary thermometer.
7. The greenhouse gas exchange flux observation device for the large-scale vegetation communities in the salt-marsh wetland according to claim 1, wherein at least one extraction opening is formed in the main body (1), the position of the extraction opening is close to the gas mixing assembly (3), and a gas sample in the main body (1) can be extracted through the extraction opening.
8. The brine wetland large vegetation community greenhouse gas exchange flux observation device according to claim 1, wherein the material of the main body (1) is organic glass; the base (2) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461159.8U CN219695050U (en) | 2023-03-13 | 2023-03-13 | Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461159.8U CN219695050U (en) | 2023-03-13 | 2023-03-13 | Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695050U true CN219695050U (en) | 2023-09-15 |
Family
ID=87962154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320461159.8U Active CN219695050U (en) | 2023-03-13 | 2023-03-13 | Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695050U (en) |
-
2023
- 2023-03-13 CN CN202320461159.8U patent/CN219695050U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106248570B (en) | A kind of high temperature and pressure multiphase flow dynamic and visual loop corrosion tester and method | |
| CN205982077U (en) | Former position -finding device of three interface carbon dioxide of meadow ecosystem exchange flux | |
| CN111413469B (en) | Static box method for measuring livestock farm open source greenhouse gas emission flux | |
| CN103293291B (en) | Respiration intensity determination device for roots of field crops at different depths | |
| CN203224388U (en) | Static box for measuring animal waste greenhouse gas emission rate | |
| CN211718180U (en) | Device for detecting moisture content of finished lithium ion electrolyte barrel | |
| CN219695050U (en) | Greenhouse gas exchange flux observation device for large-scale vegetation communities of salt marsh wetland | |
| CN208805402U (en) | A kind of novel SOIL GAS collection and detection device | |
| Zaman et al. | Methodology for measuring greenhouse gas emissions from agricultural soils using non-isotopic techniques | |
| CN210142023U (en) | Farmland greenhouse gas collection system | |
| CN106680044A (en) | Methane collection device and methane collection method for rice stable isotope labeling | |
| CN207816931U (en) | Standard gas generator and active air environmental monitor | |
| CN206704790U (en) | Water sample save set is used in a kind of drinking water detection | |
| CN205786569U (en) | Whole plant or plant population photosynthesis measurement device | |
| CN202631322U (en) | Sectional static box for gas collection | |
| CN113532961B (en) | U-shaped layered soil nitrous oxide gas collection method | |
| CN206862581U (en) | A kind of battery leak detecting device | |
| CN114413970B (en) | Multi-source data fusion water supply pipeline inspection system and method | |
| CN207163671U (en) | A kind of leakage detection apparatus of fuel cell membrane electrode | |
| CN209412216U (en) | A kind of coliform detection device | |
| CN205263083U (en) | Experimental device for under responding, indoor simulation alternation of wetting and drying surveys soil respiration | |
| CN211652263U (en) | Device for collecting gas generated by dry land soil | |
| CN218956198U (en) | In-situ carbon emission sampling device for wadable river | |
| CN209624559U (en) | " three gas one " asphalt mixes and stirs gas pollutant detection system | |
| CN206804578U (en) | Detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |