CN110779835A - Multifunctional soil infiltration measuring device - Google Patents
Multifunctional soil infiltration measuring device Download PDFInfo
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- CN110779835A CN110779835A CN201911128041.8A CN201911128041A CN110779835A CN 110779835 A CN110779835 A CN 110779835A CN 201911128041 A CN201911128041 A CN 201911128041A CN 110779835 A CN110779835 A CN 110779835A
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- 239000002689 soil Substances 0.000 title claims abstract description 35
- 230000008595 infiltration Effects 0.000 title claims abstract description 29
- 238000001764 infiltration Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000012188 paraffin wax Substances 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 34
- 238000002955 isolation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000005056 compaction Methods 0.000 abstract description 3
- 244000025254 Cannabis sativa Species 0.000 description 12
- 239000004744 fabric Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005505 soilproofing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a multifunctional soil infiltration measuring device, which relates to the technical field of soil infiltration measurement and comprises a measuring box, wherein a first carrying mechanism is fixedly arranged on the outer surface of one side of the measuring box, a second carrying mechanism is fixedly arranged on the outer surface of the other side of the measuring box, a paraffin press-in mechanism is fixedly arranged on the outer surface of the upper end of the measuring box, which is close to the rear end, a separation plate is fixedly arranged on the inner part of the measuring box, which is close to the middle part, a first water collecting mechanism is arranged on the inner part of the measuring box, which is close to one side, the first water collecting mechanism comprises a water collecting box, a press-in groove, a compaction plate and the like, the press-in groove is arranged on the inner surface of the upper end of the water collecting box, which is close to one side, so that the addition of paraffin can be more sufficient, gaps can be prevented from being formed between, prevent that soil from dropping into the inside condition appearance that causes the error to the water yield measurement of water collection box.
Description
Technical Field
The invention relates to the technical field of soil infiltration measurement, in particular to a multifunctional soil infiltration measuring device.
Background
Soil preferential flow is a term proposed in recent years for soil water movement, which is used to describe the non-equilibrium flow process that occurs under a variety of environmental conditions, and is a sign of the study of soil water movement mechanisms from homogeneous to heterogeneous fields. Due to the ubiquitous presence of large pores in soil, the macroporous flow of water and solutes preferentially through these channels has a significant effect on the migration of contaminants within the soil. However, at present, there is no special device for measuring the macroporous flow, besides, because the equipment for measuring the infiltration capacity is large, only one point is generally used for measuring the infiltration capacity, and the infiltration capacity of the point represents the infiltration capacity of the whole area, but the detail of the measurement has certain uncertainty.
Because no special device for measuring the large pore flow exists at present, in order to measure the large pore flow rate and the infiltration capacity more conveniently and more accurately, a multifunctional soil infiltration measuring device is provided, and the multifunctional soil infiltration measuring device is more professional and more convenient compared with the traditional measuring method.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multifunctional soil infiltration measuring device, which solves the problems that a device special for measuring the flow velocity of large pores is arranged in the prior art, the related soil infiltration measuring device is inconvenient to move and is inconvenient to smear paraffin, and finally the problem that the experimental result is influenced by the falling of soil during detection of the soil is solved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional soil infiltration measuring device comprises a measuring box, wherein a first carrying mechanism is fixedly arranged on the outer surface of one side of the measuring box, a second carrying mechanism is fixedly arranged on the outer surface of the other side of the measuring box, a paraffin press-in mechanism is fixedly arranged on the outer surface of the upper end of the measuring box, which is close to the rear end, a separation plate is fixedly arranged on the inner portion of the measuring box, which is close to the middle part, a first water collecting mechanism is arranged on the inner portion of the measuring box, which is close to one side, and comprises a water collecting box, a press-in groove, a compaction plate and the like, the press-in groove is arranged on the inner surface of the upper end of the water collecting box, which is close to one side, the compaction plate is movably connected to the outer surface of the upper end of the water collecting box, a second water collecting mechanism is arranged on the inner portion of the measuring box, which is close to the, the weight measuring instrument is positioned below the isolation plate.
Preferably, the paraffin pressing mechanism comprises a placing plate, a pressing plate fixedly arranged on the outer surface of the front end of the placing plate close to the upper end, a screw rod penetrating through the pressing plate, a rotating handle fixedly arranged on the outer surface of the upper end of the screw rod, a hexagonal bolt penetrating through the inner surface of the upper end of the placing plate close to one side, and a first sliding groove arranged on the outer surface of the front end of the placing plate close to one side.
Preferably, the first carrying mechanism comprises a pull handle, a first winding barrel and a second winding barrel which are fixedly arranged on the inner surface of the pull handle close to one side, a tape winding rod movably connected to the outer surface of one side of the first winding barrel, a connecting belt coiled on the outer surface of the tape winding rod, a spring lock disc fixedly connected to the free end of the connecting belt, and a rotary disc fixedly arranged on the outer surface of one end of the tape winding rod.
Preferably, the terminal surface of taking the pole around all is provided with the card capstan, first around a section of thick bamboo and the inside of second around a section of thick bamboo all is provided with around revolving the groove, the one end surface of taking the pole around passes through card capstan and first around a section of thick bamboo swing joint, the other end surface of taking the pole around passes through card capstan and second around revolving a section of thick bamboo swing joint.
Preferably, a second connecting belt and a second spring buckle are arranged at the position, close to the other side, of the inner surface of the pull handle, a belt outlet is arranged at the position, close to one side, of the outer surface of the upper end of the pull handle, and the size of the belt outlet is smaller than that of the belt winding rod.
Preferably, the quantity of hob is two sets of, and hob evenly distributed is in the inside of pressing into the board, the surface of hob is provided with the screw thread, and hob threaded connection is in pressing into the board, the position that the front end surface of putting the board is close to the opposite side is provided with the second groove of sliding.
Preferably, the position that the rear end surface of the board is close to one side is fixedly mounted with a slide plate, the rear end surface of the slide plate is fixedly connected with a lock plate, the inside of the lock plate is provided with a lock hole, and the surface of the screw rod is provided with scales.
Preferably, the inside of header tank is provided with the water-collecting box, and the quantity of water-collecting box is twenty-five groups, the lower extreme surface fixed connection of compacting plate has the spring hinge, and the compacting plate passes through spring hinge fixed connection in the upper end surface of header tank, the height of pressing the groove is three millimeters.
Preferably, the length, the width and the height of the measuring box are twenty centimeters, the length of the isolation plate is ten millimeters, the width of the isolation plate is five millimeters, and the height of the isolation plate is five millimeters.
Three beneficial effects
The invention provides a multifunctional soil infiltration measuring device. The method has the following beneficial effects:
(1) this multi-functional soil infiltration measuring device is provided with paraffin mechanism of impressing, and paraffin mechanism of impressing is including putting board, first groove and hex bolts etc. of sliding, can be so that the board of impressing receives thrust through the turning handle that sets up, and the hex bolts and the lock plate through setting up can control whether take place to remove after the board atress of impressing, and the board of impressing of removal can be so that addition more abundant of paraffin, can prevent to have the gap between measuring grass piece and the measuring box.
(2) This multi-functional soil infiltration measuring device is provided with the first mechanism of carrying, and the first mechanism of carrying is including drawing handle, carousel and the first section of thick bamboo of circling round etc. and first circling round a section of thick bamboo and the second of circling round through the setting can make around taking the pole atress after the selection, and rotatory around taking the pole can be rolled up and put or roll up the connecting band, carries the cooperation of mechanism through the first mechanism of carrying and second and uses the combination to go out two sets of stretching belts to make things convenient for the removal of equipment.
(3) This multi-functional soil infiltrates measuring device is provided with first water-collecting mechanism, and first water-collecting mechanism is including header tank, indent and compacting plate, makes the compacting plate can receive elasticity through the spring hinge that sets up, and the compacting plate can also rotate certain angle simultaneously, can make through the compacting plate that sets up prevent that soil from dropping into the inside condition appearance that causes the error to the water yield measurement of water-collecting box.
Drawings
FIG. 1 is a schematic structural view of the structure of the present invention;
FIG. 2 is a partial plan view of the structure of the present invention;
FIG. 3 is a view showing the water collecting mechanism and the measuring chamber of the present invention;
FIG. 4 is a schematic structural view of a paraffin pressing mechanism according to the present invention;
FIG. 5 is a side view of a first carrier mechanism of the present invention;
fig. 6 is a top view of the first carrier mechanism of the present invention.
In the figure, 1, a measuring box; 2. a first carrying mechanism; 201. pulling a handle; 202. a turntable; 203. a first winding drum; 204. a connecting belt; 205. a spring lock disk; 206. a tape winding rod; 207. a second winding drum; 3. a second carrying mechanism; 4. a water collecting mechanism; 401. a water collection tank; 402. pressing the groove; 403. compacting the plate; 5. a paraffin pressing mechanism; 501. placing a plate; 502. a first sliding groove; 503. a hexagon bolt; 504. a handle is rotated; 505. a screw rod; 506. pressing the plate in; 6. a second water collecting mechanism; 7. a weight measuring instrument; 8. and (4) a partition board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a multifunctional soil infiltration measuring device comprises a measuring box 1, a first carrying mechanism 2 is fixedly arranged on the outer surface of one side of the measuring box 1, a second carrying mechanism 3 is fixedly arranged on the outer surface of the other side of the measuring box 1, a paraffin press-in mechanism 5 is fixedly arranged on the outer surface of the upper end of the measuring box 1 close to the rear end, a separation plate 8 is fixedly arranged on the inner portion of the measuring box 1 close to the middle portion, a first water collecting mechanism 4 is arranged on the inner portion of the measuring box 1 close to one side, the first water collecting mechanism 4 comprises a water collecting box 401, a press-in groove 402, a compacting plate 403 and the like, the press-in groove 402 is arranged on the inner surface of the upper end of the water collecting box 401 close to one side, the compacting plate 403 is movably connected to the outer surface of the upper end of the water collecting box 401 close to one side, a second water collecting mechanism 6 is arranged on the inner portion of the measuring box 1 close to the other, weight measuring instrument 7 is located the below of division board 8, the front end surface of measuring box 1 is provided with the display screen, weight measuring instrument 7 and display screen electric wire connection, the inside of header tank 401 is provided with the header tank, the quantity of header tank is twenty-five groups, the lower extreme external surface fixed connection of compacting plate 403 has the spring hinge, and compacting plate 403 passes through spring hinge fixed connection in header tank 401's upper end surface, the groove 402 height of impressing is three millimeters, soil-proofing cloth has been placed to header tank 401's upper end surface, the spring hinge can compress tightly soil-proofing cloth automatically, the length width height of measuring box 1 is twenty centimeters, the length of division board 8 is ten millimeters, and the width of division board 8 is five millimeters, division board 8's height is five millimeters.
Referring to fig. 4, the paraffin press-in mechanism 5 includes a placing plate 501, a press-in plate 506 fixedly mounted on the outer surface of the front end of the placing plate 501 near the upper end, a screw rod 505 penetrating through the press-in plate 506, a rotating handle 504 fixedly mounted on the outer surface of the upper end of the screw rod 505, a hexagon bolt 503 penetrating through the inner surface of the upper end of the placing plate 501 near one side, a first sliding groove 502 disposed on the outer surface of the front end of the placing plate 501 near one side, a third sliding groove and a fourth sliding groove disposed on the inner wall of the measuring box 1, the third sliding groove being disposed on the outer surface of the lower end of the first sliding groove 502, the fourth sliding groove being disposed on the outer surface of the lower end of the second sliding groove, the dimensions of the four sets of sliding grooves are completely the same, the number of the screw rods 505 is two, the screw rods 505 are uniformly distributed inside the press-in plate 506, the outer surface of the screw rod 505, the position that puts the front end surface of board 501 and be close to the opposite side is provided with the second groove of sliding, the rear end surface of board 506 of impressing is close to the fixed position of one side and has the board of sliding, the rear end fixed surface of board that slides is connected with the lock plate, the inside of lock plate is provided with the locking hole, the surface of hob 505 is provided with the scale, the scale can make the displacement distance of two sets of hob 505 the same, the lock plate can control and impress the board 506 and whether can shift behind the atress.
Referring to fig. 5-6, the first carrying mechanism 2 includes a handle 201, a first winding barrel 203 and a second winding barrel 207 fixedly installed on one side of the inner surface of the handle 201, a winding rod 206 movably connected to one side of the outer surface of the first winding barrel 203, a connection band 204 wound on the outer surface of the winding rod 206, a spring locking disc 205 fixedly connected to the free end of the connection band 204, a turntable 202 fixedly installed on the outer surface of one end of the winding rod 206, the end surfaces of the winding rod 206 are both provided with a clamping disc, the first winding barrel 203 and the second winding barrel 207 are both provided with winding grooves therein, the outer surface of one end of the winding rod 206 is movably connected to the first winding barrel 203 through the clamping disc, the outer surface of the other end of the winding rod 206 is movably connected to the second winding barrel 207 through the clamping disc, the outer surface of the upper end of the handle 201 is provided with a tape outlet near one side, and the size of the tape outlet is smaller than the size of the winding rod 206, the first carrying mechanism 2 is substantially identical in construction to the second carrying mechanism 3 except that a spring lock disc 205 is attached to the first carrying mechanism 2 and a lock housing is attached to the second carrying mechanism 3.
When the device is used, before measurement, the soil-proof cloth is arranged on the outer surface of the upper end of the water collecting tank 401, the compacting plate 403 is rotated for a certain angle, one end of the soil-proof cloth is arranged below the compacting plate 403, the other end of the soil-proof cloth is arranged below the second elastic pressing plate, the hands pulling the compacting plate 403 and the second elastic pressing plate are released, so that the compacting plate 403 and the elastic pressing plate press the soil-proof cloth, then two groups of grass blocks are dug, the sizes of the two groups of grass blocks are the same, the sizes of the grass blocks are both twenty millimeters by ten millimeters, the two groups of grass blocks are respectively placed on the soil-proof cloth, paraffin is added between the grass blocks and the inner wall of the measuring tank 1, then the screw rod 505 is rotated, so that the screw rod 505 moves in the pressing plate 506, so that the screw rod 505 moves above the pressing plate 506, after moving for a proper distance, the screw rod 505 stops rotating, the hexagonal bolt 503 is screwed out, and then the screw rod 505 is pushed downwards, the screw rod 505 drives the press-in plate 506 to move downwards, the press-in plate 506 pushes paraffin to a required position, so that no gap exists between the grass block and the measuring box 1, then water with the same quality is poured into the two groups of grass blocks until large pores appear on the surfaces of the grass blocks, pouring is stopped, then the large pores of the left grass block at the upper end of the first water collecting mechanism 4 are blocked by the paraffin, water with the same quality is poured into the two groups of grass blocks again, the pouring amount is recorded as a first pouring amount, the grass blocks are taken down after a period of time, soil blocks falling on the soil-proof cloth are cleaned up, a display screen is observed, the water amount collected in the first water collecting mechanism 4 is recorded as a first water collecting amount, the water amount collected in the second water collecting mechanism 6 is recorded as a second water collecting amount, the large pore flow rate is equal to the difference between the second water collecting amount and the first water collecting amount, the difference is divided by the time and then divided by the large pores, the spring lock disc 205 is pulled to force, therefore, the winding rod 206 is stressed, the winding rod 206 stressed to rotate winds the connecting belt 204 down, the first carrying mechanism 2 and the second carrying mechanism 3 are approximately the same, the same operation is carried out on the second carrying mechanism 3, the lock seat on the second carrying mechanism 3 corresponding to the connecting belt 204 is connected with the connecting belt 204, the same operation is carried out on the other group of connecting belt 204 and the other group of lock seat, two carrying belts are combined above the measuring box 1, and the carrying belts can be pulled to carry equipment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a multi-functional soil infiltration measuring device, includes measuring case (1), its characterized in that: the outer surface of one side of the measuring box (1) is fixedly provided with a first carrying mechanism (2), the outer surface of the other side of the measuring box (1) is fixedly provided with a second carrying mechanism (3), the outer surface of the upper end of the measuring box (1) is fixedly provided with a paraffin press-in mechanism (5) close to the rear end, the inner part of the measuring box (1) is fixedly provided with a separation plate (8) close to the middle part, the inner part of the measuring box (1) close to one side is provided with a first water collecting mechanism (4), the first water collecting mechanism (4) comprises a water collecting box (401), a press-in groove (402), a compacting plate (403) and the like, the press-in groove (402) is arranged at the position of the inner surface of the upper end of the water collecting box (401) close to one side, the compacting plate (403) is movably connected to the outer surface of the upper end of the water collecting box (401) close to one side, and the inner part of the measuring box (1), the weight measuring instrument (7) is fixedly installed at a position, close to the lower end, in the measuring box (1), and the weight measuring instrument (7) is located below the partition plate (8).
2. The multifunctional soil infiltration measuring device of claim 1, wherein: the paraffin pressing-in mechanism (5) comprises a placing plate (501), a pressing-in plate (506) fixedly installed on the outer surface of the front end of the placing plate (501) and close to the upper end of the placing plate, a screw rod (505) penetrating through the pressing-in plate (506), a rotating handle (504) fixedly installed on the outer surface of the upper end of the screw rod (505), a hexagon bolt (503) penetrating through the inner surface of the upper end of the placing plate (501) and close to one side of the placing plate, and a first sliding groove (502) arranged on the outer surface of the front end of the placing plate (501) and close to one side of the.
3. The multifunctional soil infiltration measuring device of claim 1, wherein: the first carrying mechanism (2) comprises a pull handle (201), a first winding barrel (203) and a second winding barrel (207) which are fixedly arranged on the inner surface of the pull handle (201) and close to one side, a belt winding rod (206) movably connected to the outer surface of one side of the first winding barrel (203), a connecting belt (204) wound on the outer surface of the belt winding rod (206), a spring lock disc (205) fixedly connected to the free end of the connecting belt (204), and a turntable (202) fixedly arranged on the outer surface of one end of the belt winding rod (206).
4. A multifunctional soil infiltration measuring device according to claim 3, characterized in that: the terminal surface of taking pole (206) all is provided with the card capstan, first spiral tube (203) all is provided with the spiral groove with the inside of second spiral tube (207) around revolving, the one end surface of taking pole (206) around passes through card capstan and first spiral tube (203) swing joint, the other end surface of taking pole (206) around passing through card capstan and second spiral tube (207) swing joint.
5. A multifunctional soil infiltration measuring device according to claim 3, characterized in that: the position of the inner surface of the pull handle (201), which is close to the other side, is provided with a second connecting belt and a second spring fastener, the position of the outer surface of the upper end of the pull handle (201), which is close to one side, is provided with a belt outlet, and the size of the belt outlet is smaller than that of the belt winding rod (206).
6. A multifunctional soil infiltration measuring device according to claim 2, characterized in that: the quantity of hob (505) is two sets of, and hob (505) evenly distributed in the inside of pressing into board (506), the surface of hob (505) is provided with the screw thread, and hob (505) threaded connection is in pressing into board (506), the position that the front end surface of putting board (501) is close to the opposite side is provided with the second groove of sliding.
7. A multifunctional soil infiltration measuring device according to claim 2, characterized in that: the rear end surface of the pressing plate (506) is fixedly provided with a sliding plate close to one side, the rear end surface of the sliding plate is fixedly connected with a locking plate, a locking hole is formed in the locking plate, and the outer surface of the screw rod (505) is provided with scales.
8. The multifunctional soil infiltration measuring device of claim 1, wherein: the inside of header tank (401) is provided with the water-collecting box, and the quantity of water-collecting box is twenty-five groups, the lower extreme external surface fixed connection of compacting plate (403) has the spring hinge, and compacting plate (403) pass through spring hinge fixed connection in the upper end surface of header tank (401), it is three millimeters highly to press in groove (402).
9. The multifunctional soil infiltration measuring device of claim 1, wherein: the length, the width and the height of the measuring box (1) are twenty centimeters, the length of the isolation plate (8) is ten millimeters, the width of the isolation plate (8) is five millimeters, and the height of the isolation plate (8) is five millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128041.8A CN110779835B (en) | 2019-11-18 | 2019-11-18 | Multifunctional soil infiltration measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911128041.8A CN110779835B (en) | 2019-11-18 | 2019-11-18 | Multifunctional soil infiltration measuring device |
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| CN110779835A true CN110779835A (en) | 2020-02-11 |
| CN110779835B CN110779835B (en) | 2021-04-23 |
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| CN208013026U (en) * | 2018-03-20 | 2018-10-26 | 湖南农业大学 | A kind of soil infiltration rate tester |
| CN208937464U (en) * | 2018-04-27 | 2019-06-04 | 福州大学 | Solute exchanges simulator between soil macropore domain and matrix domain |
| CN209102579U (en) * | 2018-11-20 | 2019-07-12 | 山西农业大学 | Based on simple type soil hydraulic conductivity analyzer under core cutter method |
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