CN108918827A - A method of identification porous material influences soil water retention - Google Patents
A method of identification porous material influences soil water retention Download PDFInfo
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Abstract
The present invention discloses a kind of method that identification porous material influences soil water retention, the method includes the steps：Set the soil weight, in being layered filling soil in experimental box body, porous material is mounted on experimental box body center simultaneously, lay soil moisture sensor at a predetermined interval around porous material, set up experimental group, further, other than porous material is not installed, multiple control groups are set up according to above-mentioned S1 step；Pre- rainfall is saturated the soil moisture in experimental box body；Setting time interval continuously records each soil moisture sensor monitoring data；Grid precision is set, soil water dynamics process at porous material different distance is calculated to mutually in the same time, both horizontally and vertically upper soil moisture sensor monitoring data carry out space interpolation using cubic spline interpolation；Comparative analysis experimental group and control group determine porous material to effective coverage of soil water retention.
Description
Technical field
The invention belongs to monitoring soil moisture technical fields, and in particular to a kind of identification porous material is to soil water retention shadow
Loud method.
Background technique
Soil is substantially to be covered with hole of different sizes by what the countless granules with Water storage and micrograined texture formed
Loose porous body.The pore structure of soil itself, and between soil particle surface attraction and particle capillary attaction effect, make
It obtains soil body unit and possesses biggish sticking outlet capacity, the referred to as retentiveness of soil.The influence factor of water retention in soil is numerous, main
Including：Soil texture, the soil organism, soil clay particle content, total porosity, capillary porosity etc..Wherein, soil porosity
It is most important influence factor with clay content.Currently, the method for enhancing water retention in soil mainly includes that soil is no-tillage, stalk
Covering, soil improvement and increase water-retaining agent etc., correlative study also impact analysis of the multi-focus in above-mentioned measures on soil retentiveness
On.The research that soil water retention influences but is rarely reported about porous material.
Porous material is based on itself higher pore structure, rainfall can be permeated naturally, on the spot and continuously,
Buffering and discharge.In the soil by porous material installation, by establishing hydraulic connection with the surrounding soil body, the soil body can be increased considerably
Unit moisture holding capacity.Porous material seeps fastly, fast row and the function of keeping moisture, it is made to be widely used in sponge city " green base
In Infrastructure construction ".However, by the end of currently, porous material is embedded in soil, the influence size to soil water retention, and
The unmanned textual criticism so far of its effective coverage.
In view of the above deficiencies, accurate, quantitative identifies influence of the porous material to soil water retention, and it is quasi- to become the present invention
It solves the problems, such as.
Summary of the invention
For accurate, quantitatively influence of the analysis of porous materials to soil water retention, the invention proposes a kind of identification is porous
The method that material influences soil water retention.
Technical scheme is as follows：
A method of identification porous material influences soil water retention, which is characterized in that including step：
S1：The soil weight is set, in being layered filling soil in experimental box body, while porous material is mounted on experimental box body
Soil moisture sensor is laid in center at a predetermined interval around porous material, sets up experimental group, further, in addition to
It does not install except porous material, sets up multiple control groups according to above-mentioned S1 step；
S2：Pre- rainfall is saturated the soil moisture in experimental box body；
S3：Setting time interval continuously records each soil moisture sensor monitoring data；
S4：Grid precision is set, using cubic spline interpolation, to mutually in the same time, the both horizontally and vertically upper soil water
Sub-sensor monitoring data carry out space interpolation, calculate soil water dynamics process at porous material different distance；
S5：Comparative analysis experimental group and control group determine porous material to effective coverage of soil water retention：
S51：The soil moisture content data calculation art of multiple control groups each lattice point different moments is averaged；
S52：Soil moisture content change procedure measures of dispersion at experiment with computing group and control group same position, calculation formula is such as
Under：
In formula, C1Indicate the first measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WajiIndicate the i moment experimental group j
Set place's soil water-containing numerical quantity；WbjiIndicate soil water-containing numerical quantity at the position i moment control group j；
The first measures of dispersion threshold value is set, if adjacent two lattice points experimental group is one small with control group soil moisture content change procedure
In the first measures of dispersion threshold value, one is greater than the first measures of dispersion threshold value, then distance of the two lattice point centers apart from porous material, i.e.,
It may effective coverage to the first of soil water retention for porous material；
S53：Experiment with computing group neighboring lattice points soil moisture content change procedure measures of dispersion, calculation formula are as follows：
In formula, C2Indicate the second measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WaiIndicate the experimental group i moment a
Set place's soil moisture content；WbiIndicate (adjacent with a) soil moisture content at experimental group i moment b position.
Set the second measures of dispersion threshold value, first neighboring lattice points centre distance porous material less than the second measures of dispersion threshold value
Distance, as porous material may effective coverage to the second of soil water retention；
S54：The distance for meeting the neighboring lattice points centre distance porous material of S62 and S63 condition simultaneously, is determined as final
Effective coverage.
The method further includes steps：S6：According to control group and experimental group water yield difference, porous material pair is determined
The influence size of soil water retention.
Specifically, the S6 the specific steps are：
S61：Setting time interval obtains each moment soil water yield；
S62：Deviation threshold is set, when adjacent two moment soil water yield difference is less than deviation threshold, it is believed that produce stream knot
Beam；
S63：It records and arranges experimental group and control group produces at the end of flowing, soil produces water inventory, and the two asks poor, as porous
Influence size of the material to soil water retention, formula are as follows：
Δ D=DThe end d-DThe end s
In formula, △ D indicates influence size of the porous material to soil water retention；DThe end dIt indicates to produce stream finish time control group
Soil water yield；DThe end sIt indicates to produce stream finish time experimental group soil water yield.
On the other hand, the present invention provides a kind of dynamic monitoring system that identification porous material influences soil water retention, packet
It includes：
Experimental group experimental box body, the interior layering filling of the experimental group experimental box body have the soil of setting bulk density, porous material
Material is mounted on cabinet center, lays soil moisture sensor at a predetermined interval around the porous material；
Multiple control group experimental box bodies, the interior layering filling of the control group experimental box body have the soil of setting bulk density,
Soil moisture sensor is laid at a predetermined interval in corresponding position corresponding to the experimental group experimental box body；
Artificial rain device is set to above the experimental group and control group experimental box body, preceding according to setting for testing
Raininess carries out pre- rainfall, is saturated soil moisture in experimental box body, and the artificial rain device includes pressure water-supply-pipe, rainfall spray
Head and flow monitor；
Collect rain device, is set to below the experimental group and control group experimental box body, for collecting and discharging rainwater.
Preferably, the experimental box body is cuboid, and using 5mm welded steel plate, having a size of 1m × 1m × 1m, bottom is uniform
Flow-out hole is opened up, and is layered the filter layer that laying includes 200 mesh filter screens, 10cm rubble, 10cm melon-seed hull and reverse osmosis geotextiles,
Cabinet quadrangle is welded with pedestal, and base bottom is welded with universal wheel.
Preferably, the rain device that integrates is formed as taper tetrahedral structure using the colourless acrylic board gluing of 8mm, and with
Experimental box body is connected by card slot；Collection rain device is carved with scale on one side to facilitate reading；Bottom is equipped with band plug water outlet to carry out
The collection and release of rainwater.
Detailed description of the invention
Hereinafter it is described more fully with reference to the accompanying drawings some example embodiments of the present invention；However, the present invention can be with
It embodies in different forms, should not be considered limited to embodiments set forth herein.On the contrary, attached drawing illustrates together with specification
Some example embodiments of the present invention, and principle for explaining the present invention and aspect.
In the figure for clarity, size may be exaggerated.Throughout, identical appended drawing reference refers to identical
Element.
Fig. 1 schematically shows the flow chart for the method that identification porous material according to the present invention influences soil water retention；
Fig. 2 schematically shows the dynamic detection system that identification porous material according to the present invention influences soil water retention
Complete layout；
Fig. 3 a-c is schematically shown in a manner of see-through view, horizontal sectional view and vertical sectional view respectively according to this
Porous material and moisture transducer arrangement side in the dynamic detection system that the identification porous material of invention influences soil water retention
Case；
Fig. 4 is the perspective view for collecting rain device；
Fig. 5 schematically shows identification porous material to the schematic diagram of soil water retention coverage；And
Fig. 6, which schematically shows identification porous material, influences the schematic diagram of size on soil water retention,
Wherein, 1：Experimental box body；11：Soil moisture sensor；12：Filter layer；13：Flow-out hole；2：Porous material；3：People
Work rainer；31：There is extrusion water pipe；32：Rainfall spray head；33：Flow monitor；4：Collect rain device；41：Band plug water outlet；
5：Pedestal；6：Universal wheel；7：Data logger.
Specific embodiment
In the following detailed description, certain exemplary embodiments of the invention are shown simply by the mode of illustration
And description.As the skilled person will recognize, described embodiment can be modified in a variety of ways,
All without departing from the spirit or scope of the present invention.Therefore, scheme and describe to be considered as inherently illustrative, and
It is not limiting.
As shown in Figure 1, a kind of dynamic monitoring system that the present invention provides porous materials to influence soil water retention and knowledge
Other method, specifically includes following steps：
S1：Control group and experimental group are set up, experimental provision is installed, builds Soil water changing development monitoring system；It has
Body is shown as, and the experimental provision includes artificial rain device, experimental box body, soil moisture sensor, data logger, collection rain
7 part of device, cabinet base and universal wheel.Wherein, artificial rain device includes pressure water-supply-pipe, rainfall spray head and flow monitoring
Device three parts；Experimental box body uses 5mm welded steel plate, and specification is 1m × 1m × 1m, bottom of box uniform pore openings, and be layered laying
200 mesh filter screens, 10cm rubble, 10cm melon-seed hull and reverse osmosis geotextiles, cabinet quadrangle are welded with pedestal, and base bottom is welded with universal
Wheel.Integrate rain device as taper tetrahedral structure, is formed using the colourless acrylic board gluing of 8mm, and pass through card slot with experimental box body
Connection, device are carved with scale on one side, facilitate reading, and bottom can carry out the collection and release of rainwater equipped with apopore (containing rubber plug).
After device is completed, the soil weight is set, in banketing in experimental box body by mono- layer of layering of 10cm, and was being banketed
Porous material is mounted on experimental box body center by Cheng Zhong.Meanwhile with both horizontally and vertically around porous material,
Soil moisture sensor (FDR) is laid every 5cm, top of the box installation data recorder completes Soil water changing development monitoring
System is built, as shown in Figure 2.
Again, three control groups and an experimental group are set up, control experiment is carried out.Control group removes and does not install porous material
Outside, remaining device is identical as experimental group.
S2：Pre- rainfall before testing is saturated experimental box body soil moisture；It is embodied in, and utilizes artificial rain device
Raininess is set close to local 50% frequency rainfall raininess, carries out pre- rainfall；When control group and experimental group experimental box body bottom go out
When now seeping water, stop rainfall, record the time, it is believed that soil moisture is saturated at this time.
S3：It is continuous to monitor soil water dynamics in experimental box body using soil moisture sensor；Its specific manifestation
For pre- rainfall is completed, and after experimental box body soil moisture saturation, turn-on data recorder is divided into 30 minutes between setting time, continuously
Record soil moisture sensor monitoring data.
S4：Using cubic spline interpolation, to mutually in the same time, same direction (horizontal and vertical) soil moisture sensor is supervised
Measured data carries out space interpolation, obtains soil water dynamics process at porous material different distance；It is embodied in, and presses
According to soil moisture sensor burial place, edge both horizontally and vertically records each measuring point different moments soil moisture data, referring to
The horizontal and vertical sectional view of experimental box body is set forth to show soil moisture biography in two plan views up and down on the right side of Fig. 3
The burial place of sensor；Using cubic spline interpolation, grid precision is set as 0.5cm × 0.5cm, difference obtains non-measuring point soil
Earth moisture change procedure, specific formula for calculation are：
θ (x)=ai+bi(x-xi)+ci(x-xi)2+di(x-xi)3
In formula：θ (x) indicates soil moisture content at non-point position x；X indicate non-measuring point at porous material center away from
From；xiIndicate i-th of monitoring point distance at porous material center；ai、bi、ci、diIt is and i-th and (i+1) a monitoring point soil
The relevant parameter of earth water content
S5：Comparative analysis determines porous material to effective coverage of soil water retention, wherein the porous material pair
Effective coverage of soil water retention refers to its maximum perturbation radius to soil water variation；It is embodied in, by three
Control group soil moisture content monitoring data seek arithmetic average, as a control group；
Firstly, condition 1：The measures of dispersion of soil moisture content change procedure at experiment with computing group and control group same position, meter
It is as follows to calculate formula：
In formula, C1Indicate the first measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WajiIndicate the i moment experimental group j
Set place's soil water-containing numerical quantity；WbjiIndicate soil water-containing numerical quantity at the position i moment control group j.
The first measures of dispersion threshold value is set as 5%, if adjacent two lattice points experimental group and control group soil moisture content change procedure
One less than the first measures of dispersion threshold value, one is greater than the first measures of dispersion threshold value, then two lattice point centers are apart from porous material
Distance, as porous material may effective coverages to the first of soil water retention (referring to the position 1 in Fig. 5)；
Again, condition 2：Experiment with computing group neighboring lattice points soil moisture content change procedure measures of dispersion, calculation formula are as follows：
In formula, C2Indicate the second measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WaiIndicate the experimental group i moment a
Set place's soil moisture content；WbiIndicate (adjacent with a) soil moisture content at experimental group i moment b position.
The second measures of dispersion threshold value is set as 5%, the first neighboring lattice points centre distance less than the second measures of dispersion threshold value is more
The distance of Porous materials, as porous material are to the second possible effectively coverage of soil water retention (referring to the position in Fig. 5
2)；
The distance for meeting the neighboring lattice points centre distance porous material of condition 1 and condition 2 simultaneously is determined as final effective
Coverage, as shown in Figure 5.
S6：According to control group and experimental group water yield difference, influence size of the porous material to soil water retention is determined；Its
It is embodied in, after experimental box body bottom starts infiltration, is spaced water surface elevation in 5 minutes record set rain devices, calculates each moment
Soil water yield, formula are as follows：
In formula, DiIndicate i moment soil water yield；hiIndicate the water surface elevation in i moment collection rain device, h0Indicate collection rain
Device total height.
Deviation threshold is set as 1%, when adjacent two moment soil water yield difference is less than deviation threshold, it is believed that produce stream knot
Beam.At the end of record produces stream, experimental group and control group soil produce water inventory, and the two asks poor, and as porous material is to soil water retention
The influence size of property, calculation formula are as follows：
Δ D=DThe end d-DThe end s
In formula, △ D indicates influence size of the porous material to soil water retention；DThe end dIt indicates to produce stream finish time control group
Soil water yield；DThe end sIt indicates to produce stream finish time experimental group soil water yield.
Referring to fig. 2, a kind of identification porous material according to the present invention is more fully described to move on what soil water retention influenced
State monitors system, mainly includes：Experimental group experimental box body 1, multiple control group experimental box bodies 1,3 sum aggregate rain of artificial rain device
Device 4.
Layering filling has the soil of setting bulk density in experimental group experimental box body 1, and porous material 2 is mounted on cabinet centre bit
It sets, lays soil moisture sensor 11 at a predetermined interval around porous material.Experimental box body 1 is cuboid, using 5mm steel
Plate is welded, and having a size of 1m × 1m × 1m, bottom uniformly opens up flow-out hole 13, and it is broken including 200 mesh filter screens, 10cm to be layered laying
The filter layer 12 of stone, 10cm melon-seed hull and reverse osmosis geotextiles, cabinet quadrangle are welded with pedestal 5, and base bottom is welded with universal wheel 6.
Layering filling has the soil of setting bulk density in multiple control group experimental box bodies 1, is corresponding to experimental group experimental box
Soil moisture sensor is laid at a predetermined interval in the corresponding position of body.As can be seen that other than porous material 2 is not installed, it is right
It is consistent with building for experimental group experimental box body 1 according to building for group experimental box body 1.
Artificial rain device 3 is set to above experimental group and control group experimental box body, preceding according to setting raininess for testing
Pre- rainfall is carried out, soil moisture in experimental box body is saturated, artificial rain device includes pressure water-supply-pipe 31,32 and of rainfall spray head
Flow monitor 33；
Collect rain device 4, be set to below experimental group and control group experimental box body, for collecting and discharging rainwater, collection rain dress
4 are set as taper tetrahedral structure, is formed using the colourless acrylic board gluing of 8mm, and connect with experimental box body 1 by card slot；Collection
Rain device 4 is carved with scale on one side to facilitate reading；Bottom is equipped with the collection and release that rainwater is carried out with plug water outlet 41.
Claims (3)
1. a kind of method that identification porous material influences soil water retention, which is characterized in that including step：
S1：The soil weight is set, in being layered filling soil in experimental box body, while porous material is mounted on experimental box body center
Soil moisture sensor is laid in position at a predetermined interval around porous material, sets up experimental group, further, in addition to not pacifying
It fills except porous material, sets up multiple control groups according to above-mentioned S1 step；
S2：Pre- rainfall is saturated the soil moisture in experimental box body；
S3：Setting time interval continuously records each soil moisture sensor monitoring data；
S4：Grid precision is set, using cubic spline interpolation, to mutually in the same time, both horizontally and vertically upper soil moisture passes
Sensor monitoring data carry out space interpolation, calculate soil water dynamics process at porous material different distance；
S5：Comparative analysis experimental group and control group determine porous material to effective coverage of soil water retention：
S51：The soil moisture content data calculation art of multiple control groups each lattice point different moments is averaged；
S52：Soil moisture content change procedure measures of dispersion at experiment with computing group and control group same position, calculation formula are as follows：
In formula, C1Indicate the first measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WajiIt indicates at the position i moment experimental group j
Soil water-containing numerical quantity；WbjiIndicate soil water-containing numerical quantity at the position i moment control group j；
The first measures of dispersion threshold value is set, if adjacent two lattice points experimental group and control group soil moisture content change procedure one are less than the
One measures of dispersion threshold value, one is greater than the first measures of dispersion threshold value, then distance of the two lattice point centers apart from porous material, as more
Porous materials may effective coverage to the first of soil water retention；
S53：Experiment with computing group neighboring lattice points soil moisture content change procedure measures of dispersion, calculation formula are as follows：
In formula, C2Indicate the second measures of dispersion；N indicates that Soil Water Content Monitoring always lasts；WaiIt indicates at experimental group i moment a position
Soil moisture content；WbiIndicate (adjacent with a) soil moisture content at experimental group i moment b position.
Set the second measures of dispersion threshold value, first neighboring lattice points centre distance porous material less than the second measures of dispersion threshold value away from
From as porous material may effective coverage to the second of soil water retention；
S54：The distance for meeting the neighboring lattice points centre distance porous material of S62 and S63 condition simultaneously is determined as final effective
Coverage.
2. the method according to claim 1, wherein further comprising step：
S6：According to control group and experimental group water yield difference, influence size of the porous material to soil water retention is determined.
3. the method according to claim 1, wherein the S7 the specific steps are：
S61：Setting time interval obtains each moment soil water yield；
S62：Deviation threshold is set, when adjacent two moment soil water yield difference is less than deviation threshold, it is believed that producing stream terminates；
S63：It records and arranges experimental group and control group produces at the end of flowing, soil produces water inventory, and the two asks poor, as porous material
Influence size to soil water retention, formula are as follows：
Δ D=DThe end d-DThe end s
In formula, △ D indicates influence size of the porous material to soil water retention；DThe end dIt indicates to produce miscarriage finish time control group soil
Water；DThe end sIt indicates to produce stream finish time experimental group soil water yield.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702879A (en) * | 2019-10-21 | 2020-01-17 | 成都理工大学 | Device and method for measuring disturbance range of soil body after sampling |
| CN113552305A (en) * | 2021-07-21 | 2021-10-26 | 中国水利水电科学研究院 | Mechanism identification method for influence of porous fiber material embedding on runoff production water quality |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5247472A (en) * | 1975-10-08 | 1977-04-15 | Toho Rayon Kk | Process for producing soil water retentioner containing fertilizer component |
| CN1979162A (en) * | 2005-11-30 | 2007-06-13 | 中国农业大学 | Method and apparatus for detecting water-retaining quantity among field of soil |
| WO2012004874A1 (en) * | 2010-07-08 | 2012-01-12 | 橘 和之 | Soil improvement method and soil improvement structure |
| CN203658192U (en) * | 2013-07-04 | 2014-06-18 | 吉林省农业科学院 | Device for measuring leaching loss of chemical fertilizer and water holding effect of soil water holding agent |
| RU2537178C2 (en) * | 2013-01-17 | 2014-12-27 | Федеральное государственное бюджетное научное учреждение "Российский научно-исследовательский институт проблем мелиорации" | Composition of structure-forming materials |
| CN205228918U (en) * | 2015-12-24 | 2016-05-11 | 辽宁省水文局 | Soil field capacity soil sample making devices |
| CN106358495A (en) * | 2016-10-25 | 2017-02-01 | 中国科学院地理科学与资源研究所 | Soil body constructing method for improving water retention capability of newly increased arable soil and planting method |
| CN206161459U (en) * | 2016-11-09 | 2017-05-10 | 贵州大学 | Different particle diameter field water -holding capacity's of indoor survey device |
| CN107314963A (en) * | 2017-05-24 | 2017-11-03 | 青海大学 | Portable soil water-holding capacity and permeability in-situ test easy device and its method of testing |
| US20180080861A1 (en) * | 2016-04-22 | 2018-03-22 | Jesse Lafian | Tensiometer apparatus and method |
| CN207528726U (en) * | 2017-11-01 | 2018-06-22 | 安丘市田源食品有限公司 | A kind of water holding device for measuring litter or soil |
-
2018
- 2018-07-02 CN CN201810707606.7A patent/CN108918827B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5247472A (en) * | 1975-10-08 | 1977-04-15 | Toho Rayon Kk | Process for producing soil water retentioner containing fertilizer component |
| CN1979162A (en) * | 2005-11-30 | 2007-06-13 | 中国农业大学 | Method and apparatus for detecting water-retaining quantity among field of soil |
| WO2012004874A1 (en) * | 2010-07-08 | 2012-01-12 | 橘 和之 | Soil improvement method and soil improvement structure |
| RU2537178C2 (en) * | 2013-01-17 | 2014-12-27 | Федеральное государственное бюджетное научное учреждение "Российский научно-исследовательский институт проблем мелиорации" | Composition of structure-forming materials |
| CN203658192U (en) * | 2013-07-04 | 2014-06-18 | 吉林省农业科学院 | Device for measuring leaching loss of chemical fertilizer and water holding effect of soil water holding agent |
| CN205228918U (en) * | 2015-12-24 | 2016-05-11 | 辽宁省水文局 | Soil field capacity soil sample making devices |
| US20180080861A1 (en) * | 2016-04-22 | 2018-03-22 | Jesse Lafian | Tensiometer apparatus and method |
| CN106358495A (en) * | 2016-10-25 | 2017-02-01 | 中国科学院地理科学与资源研究所 | Soil body constructing method for improving water retention capability of newly increased arable soil and planting method |
| CN206161459U (en) * | 2016-11-09 | 2017-05-10 | 贵州大学 | Different particle diameter field water -holding capacity's of indoor survey device |
| CN107314963A (en) * | 2017-05-24 | 2017-11-03 | 青海大学 | Portable soil water-holding capacity and permeability in-situ test easy device and its method of testing |
| CN207528726U (en) * | 2017-11-01 | 2018-06-22 | 安丘市田源食品有限公司 | A kind of water holding device for measuring litter or soil |
Non-Patent Citations (3)
| Title |
|---|
| DONG GUOQIANG: "The Impact of the Construction of Sponge Cities on the Surface Runoff in Watersheds,China", 《ADVANCE IN METEOROLOGY》 * |
| 庄文化: "2种高分子保水材料对土壤持水能力的影响", 《中国水土保持科学》 * |
| 王小彬等: "不同农业措施对土壤持水特征的影响极其保水作用", 《植物营养与肥料学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702879A (en) * | 2019-10-21 | 2020-01-17 | 成都理工大学 | Device and method for measuring disturbance range of soil body after sampling |
| CN113552305A (en) * | 2021-07-21 | 2021-10-26 | 中国水利水电科学研究院 | Mechanism identification method for influence of porous fiber material embedding on runoff production water quality |
| CN113552305B (en) * | 2021-07-21 | 2023-02-24 | 中国水利水电科学研究院 | Mechanism identification method for influence of porous fiber material embedding on runoff production water quality |
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