CN204241404U - For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen - Google Patents
For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen Download PDFInfo
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- CN204241404U CN204241404U CN201420813441.9U CN201420813441U CN204241404U CN 204241404 U CN204241404 U CN 204241404U CN 201420813441 U CN201420813441 U CN 201420813441U CN 204241404 U CN204241404 U CN 204241404U
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- submerged plant
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- dissolved oxygen
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Abstract
The utility model provides a kind of device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, comprise submerged plant root immobilization carrier, dissolved oxygen microelectrode, the surface of described submerged plant root immobilization carrier is fixed with the root for the submerged plant measured, the side that described submerged plant root immobilization carrier is positioned at the caulome of submerged plant is provided with a downward-sloping slope, this slope is fixed with the root of part submerged plant and the caulome of connected submerged plant.Device of the present utility model can by utilizing prior art condition, can in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, during owing to measuring, water level need decline and concordant with the submerged plant root for measuring, and is all positioned at the feature of below the water surface, is fixed on slope by its most of caulome according to the plant of submerged plant, can prevent submerged plant cauline leaf from emerging, thus when guaranteeing to measure, submerged plant can keep its primitive environment, adds the accuracy of measurement result, and convenient operation.
Description
Technical field
The utility model belongs to environmental monitoring technology field, particularly a kind of device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen.
Background technology
The secrete oxygen effect tool of submerged plant root system in sediment is of great significance.There is point different oxidation-reduction heterogeneous environment maintained close ties with again mutually in rhizosphere-sediment (rhizosphere circle) micro-interface, the place that organic matter degradation, material recycle and vital movement are the strongest often.Micro-interface occurs the processes such as violent exchange, degraded, conversion and deposition, and be conducive to the absorption degraded of pollutant, but only have several millimeters due to micro-interface thickness, its internal environment factor quantitative measurement is more difficult, and therefore the progress of micro-interface is slow.Along with the development of the determination techniques such as cylindrical metal platinum electrode technology, Titanium Citrate Colorimetric techniques, micro-interface research enters Rapid development stage.But these technology are ex situ and measure, often can not reflect that submerged plant rhizosphere secretes oxygen effect real conditions in sediment.The development of dissolved oxygen Technology of Microelectrodes makes micro-spatial and temporal distributions of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, and then inquires into rhizosphere and secrete oxygen effect and become possibility.But dissolved oxygen microelectrode probe is difficult to accurately be positioned submerged plant rhizosphere micro-interface in sediment in situ environment, thus is difficult to really realize in-site detecting.
Submerged plant refers to that plant to be all positioned at below water layer and to take root the aquatic macrophyte in bed mud existence.For submerged plant, when measuring rhizosphere micro-interface dissolved oxygen, must ensure that its entirety is all positioned at below water layer, because when measuring, water level need decline and concordant with the submerged plant root for measuring, existing determinator can not ensure the total flooding state low-water level condition cascading water plant, and if submerged plant is placed on the too dark bottom, although its entirety can be made all to be positioned at below water layer, but be difficult to measure rhizosphere micro-interface dissolved oxygen, operation inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, and submerged plant entirety can either be made all to be positioned at below water layer, again can be easy to operate.
For achieving the above object, the utility model is by the following technical solutions:
A kind of device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, comprise submerged plant root immobilization carrier, dissolved oxygen microelectrode, the surface of described submerged plant root immobilization carrier is fixed with the root for the submerged plant measured, the side that described submerged plant root immobilization carrier is positioned at the caulome of submerged plant is provided with a downward-sloping slope, the caulome of the submerged plant be connected with the root of submerged plant is fixed on this slope, and the growing height of the caulome of submerged plant is not higher than surface level.
Preferably, described submerged plant root immobilization carrier is phenoplast foaming product.
Preferably, described phenoplast foaming product is mud for inserting flowers.
Preferably, the surface of described submerged plant root immobilization carrier is fixed for the root of the submerged plant measured by plastic rivet.
Preferably, described dissolved oxygen microelectrode is connected with gyropilot, and is controlled by it.
Preferably, described slope 5 is 30 ° ~ 60 ° with the angle of surface level.
The beneficial effects of the utility model are: device of the present utility model can by utilizing prior art condition, can in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, more can reflect that submerged plant rhizosphere secretes oxygen effect real conditions in sediment compared with dystopy determination techniques, and simple to operate, be easy to grasp; During owing to measuring, water level need drop to concordant with the submerged plant root for measuring, the feature of below the water surface is all positioned at according to the plant of submerged plant, its most of caulome is fixed on slope, can prevent submerged plant cauline leaf from emerging, thus when guaranteeing to measure, submerged plant can keep its primitive environment, adds the accuracy of measurement result, and convenient operation.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As Fig. 1, a kind of device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, comprise submerged plant root immobilization carrier 1, dissolved oxygen microelectrode 3, the surface of submerged plant root immobilization carrier 1 is fixed with the submerged plant root 2 for measuring, the side that submerged plant root immobilization carrier 1 is positioned at the caulome 4 of submerged plant is provided with a downward-sloping slope 5, the caulome 4 of the submerged plant be connected with the root 2 of submerged plant is fixed on this slope 5, and the growing height of the caulome 4 of submerged plant is not higher than surface level.
The root 1 immobilization carrier demand fulfillment of submerged plant is easy to the condition of fixing plant roots, adopts phenoplast foaming product in the utility model, and is carried out immersion process, preferred mud for inserting flowers.
The surface of submerged plant root immobilization carrier 1 is fixed for the root 2 of the submerged plant measured by plastic rivet.The method utilizing plastic rivet fixing is simple, and damages less to plant rhizosphere, can not affect mensuration effect.
Slope 5 is 30 ° ~ 60 ° with the angle of surface level, and 5 length on its slope are main relevant to the length of the caulome 4 of submerged plant, and the growing height of the caulome 4 of submerged plant is not higher than surface level.Submerged plant major part caulome 4 is fixed on this slope 5, can ensure that submerged plant whole plant when measuring is positioned at below the water surface.
Dissolved oxygen microelectrode 3 is connected with gyropilot, and is controlled by it.In present embodiment, dissolved oxygen microelectrode 3 adopts and controls dissolved oxygen microelectrode (diameter 25 microns, Unisense, Germany), and its method of operating and equipment are not particularly limited, and move as long as can control dissolved oxygen microelectrode and measure oxyty value.The control method that those of ordinary skill in the art such as can be adopted to commonly use or equipment, also can adopt gyropilot.
Submerged plant root level is fixed on described submerged plant root immobilization carrier surface, gyropilot can be used to realize longitudinal micrometric displacement of dissolved oxygen microelectrode, by record shift length, after sediment covers root system, dissolved oxygen microelectrode accurately can be positioned to root table face by blind operation, accurate (maximal accuracy 20 microns) the dissolved oxygen Exact concentrations of rhizosphere micro-interface can be measured.Its concrete operations can comprise:
1) described dissolved oxygen microelectrode is reset to described submerged plant rhizosphere measurement site, continues mensuration second schedule time, obtain multiple oxyty;
2) multiple oxyty is averaged, obtain the oxyty on described submerged plant rhizosphere measurement site surface.
Continue the preferred 1min of minute, oxyty records of values speed is 1s/.Thus, 60 oxyty numerical value can be obtained in 1min, average, the oxyty on described submerged plant rhizosphere measurement site surface can be obtained.
According to the assay method of above-described embodiment, described dissolved oxygen microelectrode can also be moved to described submerged plant rhizosphere diverse location to measure the oxyty of described submerged plant rhizosphere diverse location (in Fig. 1, A, B, C, D represent diverse location).Stop measuring when oxyty is zero, the oxyty that can obtain rhizosphere micro-interface diverse location thus accurately changes, and reverse shift length is root system oxidated layer thickness, realizes in-site detecting object.
Claims (6)
1. the device for in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: comprise submerged plant root immobilization carrier (1), dissolved oxygen microelectrode (3), the surface of described submerged plant root immobilization carrier (1) is fixed with the root (2) for the submerged plant measured, the root (2) of submerged plant is connected with the caulome (4) of submerged plant, the side that described submerged plant root immobilization carrier (1) is positioned at the caulome (4) of submerged plant is provided with a downward-sloping slope (5), the caulome (4) of the submerged plant be connected with the root (2) of submerged plant is fixed on this slope (5), the growing height of the caulome (4) of submerged plant is not higher than surface level.
2., as claimed in claim 1 for the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: described submerged plant root immobilization carrier (1) is phenoplast foaming product.
3., as claimed in claim 2 for the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: described phenoplast foaming product is mud for inserting flowers.
4. as claimed in claim 1 for the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: the surface of described submerged plant root immobilization carrier (1) is fixed for the root (2) of the submerged plant measured by plastic rivet.
5., as claimed in claim 1 for the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: described dissolved oxygen microelectrode (3) is connected with gyropilot, and is controlled by it.
6. as claimed in claim 1 for the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen, it is characterized in that: described slope (5) are 30 ° ~ 60 ° with the angle of surface level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813441.9U CN204241404U (en) | 2014-12-18 | 2014-12-18 | For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813441.9U CN204241404U (en) | 2014-12-18 | 2014-12-18 | For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen |
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| Publication Number | Publication Date |
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| CN204241404U true CN204241404U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420813441.9U Expired - Fee Related CN204241404U (en) | 2014-12-18 | 2014-12-18 | For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805000A (en) * | 2015-04-30 | 2015-07-29 | 环境保护部南京环境科学研究所 | Sampling device and sampling method for rhizospheric microorganisms at different positions and same thickness of wetland plant root |
| CN105606578A (en) * | 2016-02-03 | 2016-05-25 | 环境保护部南京环境科学研究所 | Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ |
| CN107037015A (en) * | 2016-02-03 | 2017-08-11 | 环境保护部南京环境科学研究所 | While the detection means and its detection method of in site measurement submerged plant blade-water termination different height dissolved oxygen |
| CN107515234A (en) * | 2017-08-31 | 2017-12-26 | 鲁东大学 | A kind of apparatus and method for determining submerged plant intensity of photosynthesis |
-
2014
- 2014-12-18 CN CN201420813441.9U patent/CN204241404U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805000A (en) * | 2015-04-30 | 2015-07-29 | 环境保护部南京环境科学研究所 | Sampling device and sampling method for rhizospheric microorganisms at different positions and same thickness of wetland plant root |
| CN105606578A (en) * | 2016-02-03 | 2016-05-25 | 环境保护部南京环境科学研究所 | Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ |
| CN107037015A (en) * | 2016-02-03 | 2017-08-11 | 环境保护部南京环境科学研究所 | While the detection means and its detection method of in site measurement submerged plant blade-water termination different height dissolved oxygen |
| CN105606578B (en) * | 2016-02-03 | 2019-07-26 | 环境保护部南京环境科学研究所 | The detection device and its detection method of in situ measurement water sludge interface different height dissolved oxygen simultaneously |
| CN107037015B (en) * | 2016-02-03 | 2019-07-30 | 环境保护部南京环境科学研究所 | In situ measurement submerged plant blade-water termination different height dissolved oxygen detection device and its detection method simultaneously |
| CN107515234A (en) * | 2017-08-31 | 2017-12-26 | 鲁东大学 | A kind of apparatus and method for determining submerged plant intensity of photosynthesis |
| CN107515234B (en) * | 2017-08-31 | 2020-07-07 | 鲁东大学 | Device and method for measuring photosynthesis intensity of submerged plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |