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Device of continuously testing indoor soil microbial respiration

A technology of soil microorganisms and measurement devices, which is applied in the field of automatic and continuous measurement devices for indoor soil microorganism respiration, which can solve the problems that the analysis and testing work cannot be carried out in large quantities, and achieve the effect of improving inhibition or promotion

Inactive Publication Date: 2012-07-18
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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  • Summary
  • Abstract
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Problems solved by technology

However, at present, researchers mainly use single-channel or manual methods to complete relevant testing work, and the multi-channel, automatic switching rapid and continuous measurement device for soil microbial respiration has not been developed and developed, so that the analysis and testing work cannot be carried out in large quantities. Fundamentally address the limiting factors of soil microbial respiration (soil carbon mineralization) testing efforts

Method used

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  • Device of continuously testing indoor soil microbial respiration
  • Device of continuously testing indoor soil microbial respiration
  • Device of continuously testing indoor soil microbial respiration

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Embodiment Construction

[0022] The following description only represents a specific embodiment of the present invention, and is intended to further illustrate the present invention, rather than limit the present invention.

[0023] The indoor soil microbial respiration continuous measurement device comprises the following four parts: 1) constant temperature culture system, including thermostat 11 and a plurality of culture bottles 12; 2) CO 2 Initial concentration control and gas sampling system, including precision flowmeter 21, soda lime absorption pipe 22, three-way solenoid valves 32 and 33, data collector 35, relay 36, inlet pipe 13, return air pipe 14, and gas filter 15, bypass air pump 16, pressure regulating valve 17, multi-channel solenoid valve 31 and 34, gas filter 18, and control circuit; 3) CO 2 Concentration analyzer 41, can be high-precision infrared CO 2 analyzer or other similar CO 2 Concentration fast analyzer.

[0024] Such as figure 1 As shown, the incubator 11 is located at t...

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Abstract

The invention relates to the field of machinery, and in particular provides a device for automatically continuously testing soil microbial respiration. The device comprises a constant temperature culture system, a CO2 initial concentration control and gas sampling system and a CO2 concentration analyzer. The device can adjust CO2 concentration and gas flow and flow velocity in the device at the beginning of a test according to requirements, and has a function of automatically switching different test specimens. By the device, the indoor soil microbial respiration can be quickly and continuously tested on line successfully, and the device can be widely applied to the related fields of soil carbon turnover, microorganisms and the like.

Description

Technical field: [0001] The invention relates to the field of agricultural machinery, and specifically provides an automatic and continuous measurement device for indoor soil microbial respiration. Background technique: [0002] Soil carbon storage and carbon cycle are currently research hotspots in the fields of ecology, soil science, and environmental science at home and abroad; the study of soil microbial respiration (also known as carbon mineralization in culture experiments) is of great help in revealing the decomposition and turnover of soil organic matter, soil carbon sources, etc. The sink function and so on play an important role. In recent years, the research on global change has been popular, and the research work in soil respiration and related fields has been widely valued by scientific researchers from all over the world. [0003] Soil indoor incubation experiment (Incubation experiment) can precisely control various experimental factors, such as temperature, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/36C12M1/34C12Q1/02
Inventor 何念鹏温学发于贵瑞孙晓敏王秋凤王晶苑
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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