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Soil preferential flow zone simulation research device and method

A simulation research and preferential flow technology, applied in the preferential flow area based on the 3D printing of water-soluble material polyvinyl alcohol to simulate the formation of soil pores, the soil preferential flow area simulation research device, to study the microorganisms and soil in the soil preferential flow area caused by environmental impact In the field of organic matter change devices, it can solve the problems of hindering environmental risk assessment, and the inability to study the influence of microorganisms and soil organic matter, and achieve the effect of improving experimental operability and improving operation simplicity

Pending Publication Date: 2021-11-30
NANKAI UNIV
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Problems solved by technology

However, at present, there is a lack of real and effective methods to simulate soil pores, and it is impossible to study the impact of changes in environmental factors on microorganisms and soil organic matter in soil priority flow areas, thus hindering the development of environmental risk assessment

Method used

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  • Soil preferential flow zone simulation research device and method

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Embodiment 1

[0019] The present invention proposes a device and method for simulating and researching soil preferential flow areas, that is, using water-soluble material polyvinyl alcohol 3D printing to simulate soil pores to form preferential flow areas, and analyzing the influence of acid rain on microorganisms and soil organic matter in soil preferential flow areas. , including the control end of the fiber optic oxygen meter, the probe of the fiber optic oxygen meter, tree-branched pores, inverted L-shaped pores, cylindrical pores, S-shaped pores, water outlets, soil, and plexiglass, which can effectively compare acid rain on soil priority flow areas and the impact of the matrix flow zone. Soil samples were collected in Heilongjiang, Tianjin and Zhejiang.

[0020] The implementation steps are as follows:

[0021] Lay a layer of quartz wool on the bottom of the uncovered square plexiglass first, and fill 3cm thick quartz sand above the quartz wool. In the soil matrix flow area, 5 kg of...

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Abstract

The invention provides a soil preferential flow zone simulation research device and method, namely a device and method for simulating soil pores to form a preferential flow zone by utilizing a water-soluble material polyvinyl alcohol 3D printing and analyzing the influence of different environmental conditions on microorganisms and soil organic matters in the preferential flow zone. The device is composed of an optical fiber oxygen meter control end, an optical fiber oxygen meter probe, a crotch-shaped pore, an inverted L-shaped pore, a cylindrical pore, an S-shaped pore, a water outlet, soil and organic glass. After a soil sample is collected, parameters such as abundance of microorganisms and molecular characteristics of soluble organic matters in soil are analyzed and measured by virtue of technologies such as high-throughput sequencing and Fourier transform ion cyclotron resonance mass spectrometry. By comparing the parameters, the influence of different environmental conditions on microorganisms and soil organic matters in the soil preferential flow area is analyzed. The device is advanced, is convenient to operate, and is not limited by the external environment.

Description

technical field [0001] This application belongs to the technical field of soil monitoring, and relates to a soil preferential flow area simulation research device and method, in particular to a preferential flow area based on water-soluble material polyvinyl alcohol 3D printing to simulate the formation of soil pores, so as to study the environmental impact caused by soil Apparatus and method for modification of microorganisms and soil organic matter in priority flow areas. Background technique [0002] In the context of globalization and industrialization, the impact of human production activities on the environment cannot be ignored. For example, due to the combustion of fossil fuels, vehicle exhaust and industrial waste gas emissions, sulfur dioxide and nitrogen oxides interact with water vapor in the air, eventually forming atmospheric acid deposition such as acid rain, which affects soil closely related to agricultural production activities. Soil preferential flow is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/62G01N33/24G01N1/28
CPCG01N27/62G01N33/24G01N1/28G01N33/245
Inventor 汪磊李雨荷唐雪娇赵龙飞
Owner NANKAI UNIV
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