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A gas cultivation and collection device for indoor simulation

A collection device and gas technology, applied in the field of indoor simulated gas cultivation and collection devices, can solve the problems of low accuracy of experimental results, difficulty in moving, high price, etc., and achieve the effect of low price, easy replacement and cleaning, and low cost

Active Publication Date: 2016-06-22
FUJIAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the widely used gas collection devices mainly have disadvantages such as poor sealing, difficult to move, high price, inconvenient operation, time-consuming and labor-consuming, low accuracy of experimental results obtained, and not suitable for indoor use in laboratories, etc.

Method used

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  • A gas cultivation and collection device for indoor simulation
  • A gas cultivation and collection device for indoor simulation
  • A gas cultivation and collection device for indoor simulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The cultivated soil is the soil in a water-saturated environment such as a wetland, and the undisturbed soil is collected in situ and returned to the laboratory to simulate the greenhouse gas emission flux of the soil under different water levels. In this example, the soil in the brackish water wetland environment of the Minjiang estuary is selected.

[0038] Using the present invention to simulate the soil greenhouse gas emission flux under different water levels in the laboratory, the steps are as follows:

[0039] (1) In the brackish water wetland at the mouth of the Minjiang River, collect the undisturbed soil column with a soil collector with a diameter of about 30 cm in situ, and bring it back to the laboratory in the original state; Microbial recovery activity; since this embodiment does not consider light conditions, a dark box is selected.

[0040] (2) Since the influence of vegetation is not considered in this embodiment, there is no need to transplant vegetati...

Embodiment 2

[0047] The cultivated soil is the soil in a water-saturated environment such as a wetland, and the vegetation is mainly aquatic, wet or marsh species, with developed aeration tissue. In this example, the perennial brevifolia vegetation and the subsoil (30 cm deep) were selected in the brackish water wetland of the Minjiang River estuary, and the plant height was about 0.5 m.

[0048] Using the present invention to simulate soil greenhouse gas emission fluxes under different nitrogen deposition levels in the laboratory, the steps are as follows:

[0049] (1) In the brackish water of the Minjiang estuary, the undisturbed soil column was collected with a soil collector in situ, and brought back to the laboratory together with the vegetation; the soil column and vegetation were put into the bottom box 3, and pre-cultivated For a day, rejuvenate the root system and microbes. Because this embodiment considers the influence of photosynthesis, so choose bright box.

[0050] (2) Sinc...

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Abstract

The invention relates to a gas culture and collection device for laboratory simulation. The gas culture and collection device comprises a support frame, a box cover, a middle box and a bottom box, wherein the bottom box is arranged on the support frame; the box cover, the middle box and the bottom box are orderly nested in one other and hermetically connected together. The gas culture and collection device is good in airtightness, simple in structure, and easy to manufacture, mount and demount, and maintain, and has a good simulation effect.

Description

technical field [0001] The invention relates to the technical fields of soil cultivation and greenhouse gas collection, in particular to a gas cultivation and collection device for indoor simulation. Background technique [0002] Global warming has become a common concern around the world, and the increasing concentration of CO in the atmosphere 2 、CH 4 , N 2 O and other greenhouse gases are the key to this problem. Research has proven that wetlands are CO 2 Huihe CH 4 source, on the one hand, wetland plants fix a large amount of CO through their own life activities 2 , become a huge CO 2 Sink, on the other hand release CH through material cycle 4 , while playing CH 4 The role of the source. In addition, wetlands are atmospheric N 2 An important emission source or sink of O, whose warming effect is CO 2 296 times. The study of the main greenhouse gas fluxes in wetland ecosystems under the background of global warming is becoming the focus of related disciplines. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02G01N30/06G01N1/24
Inventor 胡敏杰王纯任洪昌汪旭明
Owner FUJIAN NORMAL UNIV
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