CN110249878A - A kind of small raininess cold mist type artificial rain simulating device and its application method - Google Patents
A kind of small raininess cold mist type artificial rain simulating device and its application method Download PDFInfo
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- 239000003595 mist Substances 0.000 title claims abstract description 133
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- 238000012360 testing method Methods 0.000 claims abstract description 62
- 238000004064 recycling Methods 0.000 claims abstract description 48
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Abstract
This application discloses a kind of small raininess cold mist type artificial rain simulating device and its application methods, it is related to hydraulic engineering technical field, it include: water tank, water tank end suitable for reading is arranged a water mist and recycles curtain room, the lower mouth insertion water tank that water mist recycles curtain room is suitable for reading, and water mist recycling is provided with cold mist type spray head at the top of curtain room, is provided with water pump in water tank, cold mist type spray head is connected with the water outlet of water pump, and water pump is electrically connected with rain making control equipment；Water mist, which recycles, is arranged test sample slot between curtain room and water tank, the first end of test sample slot is provided with linear reservoir device, and the first end of test sample slot is flexibly connected with water mist recycling curtain room, and the second end of test sample slot is flexibly connected with water tank.The sprinkling that small water may be implemented by cold mist type spray head, other than entering in test sample slot, remaining is back in water tank the water sprayed along water mist recycling curtain room.With traditional artificial rainfall first than compared with, indoor quantitative measurement results are more accurate.
Description
Technical field
This application involves hydraulic engineering technical fields, and in particular to a kind of small raininess cold mist type artificial rain simulating device and
Its application method.
Background technique
Since the rainfall under natural conditions has the features such as uncertain, contingency and unstability more, water and soil conservation is given
Experimental study brings limitation, the exploitations for accelerating artificially-simulated rainfall device such as research cycle is longer, information interference is big and grinds
Study carefully extremely urgent.
Artificially-simulated rainfall device is a kind of effective research soil and water conservation experimental rig, by build comprising rainfall,
The rainfall environment of the key factors such as rainfall intensity, rainfall duration, can quantitatively carry out different underlying surface region in the soil erosion,
The mechanism study of runoff and sediment, non-point pollution and hydrological characteristics etc..Most of artificially-simulated rainfall dresses in traditional technology
It sets and is presented in the form of artificially-simulated rainfall hall, occupied area is larger, and spray head uses spray-type or lateral spray type, leads to theoretical drop more
Rainfall has certain gap, and minimum settable rainfall intensity mostly about 30mm/h or so with rainfall is practiced.
For natural rainfall, rainfall intensity is mostly between 0mm/h-3mm/h, and therefore, traditional artificial simulated rainfall is big
The Room to a certain extent, can not preferably simulate the environment of common small rainfall intensity in nature, so that Rainfall-runoff produces
The indoor quantitative result of husky, ground cover hydrologic effect etc. is inaccurate.
Summary of the invention
In order to solve the above-mentioned technical problem the application, proposes following technical solution:
In a first aspect, the embodiment of the present application provides a kind of small raininess cold mist type artificial rain simulating device, comprising: water storage
Case, the water tank end suitable for reading are arranged a water mist and recycle curtain room, and the lower mouth in water mist recycling curtain room is inserted on the water tank
Mouthful, the water mist recycling is provided with cold mist type spray head at the top of curtain room, and water pump, the cold mist type spray are provided in the water tank
Head is connected with the water outlet of the water pump, and the water pump is electrically connected with rain making control equipment；The water mist recycles curtain room
Test sample slot is set between the water tank, and the first end of the test sample slot is provided with linear reservoir device, described
The first end of test sample slot is flexibly connected with water mist recycling curtain room, the second end of the test sample slot and the water storage
Case is flexibly connected.
Using above-mentioned implementation, the sprinkling of small water may be implemented by cold mist type spray head, and the water sprayed removes
Other than entering in test sample slot, remaining can also recycle curtain room along water mist and be back in water tank.Therefore, in use
The simulation for stating the small raininess natural precipitation environment that device can be realized under artificial condition subtracts with traditional rain making first than compared with
Lack occupied area, lifting test efficiency, the rainfall environment built closer to true rainfall, and husky to Rainfall-runoff production,
The indoor quantitative measurement results of ground cover hydrologic effect etc. are more accurate.
With reference to first aspect, in a first possible implementation of that first aspect, the cold mist type spray head and the water
One delivery hose is set between the water outlet of pump, and the both ends of the delivery hose are respectively communicated with the water inlet of the cold mist type spray head
With the water outlet of the water pump.
The first possible implementation with reference to first aspect, in a second possible implementation of that first aspect, institute
It states cold mist type spray head and is provided with multiple, multiple cold mist type spray heads are uniformly arranged on the top in water mist recycling curtain room.
Second of possible implementation with reference to first aspect, in first aspect in the third possible implementation, institute
Stating linear reservoir device includes the first linear reservoir pipeline and the second linear reservoir pipeline, described first linear reservoir pipeline one end
It is connected at the top of the first end of the test sample slot, the first linear reservoir pipeline other end and the water mist recycle
The side wall in curtain room is flexibly connected；Described second linear reservoir pipeline one end is connected with the bottom of the first end of the test sample slot
Logical, the second linear reservoir pipeline other end is flexibly connected with the side wall in water mist recycling curtain room.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect, institute
A fluid pressure type gradient adjusting rod, the fluid pressure type gradient adjusting rod both ends difference is arranged in the bottom for stating the second end of test sample slot
It is fixedly connected with the bottom of the second end of the test sample slot and the water tank.
4th kind of possible implementation with reference to first aspect, it is right in the 5th kind of possible implementation of first aspect
It answers and is provided with a fixed platform on the water tank side wall of the second end of the test sample slot, the fluid pressure type gradient adjusting rod both ends
It is fixedly connected respectively with the bottom of the second end of the test sample slot and the fixed platform.
It with reference to first aspect or the first to five kind of first aspect any possible implementation, can at the 6th kind of first aspect
In the implementation of energy, it is fixedly connected on the outside of water mist recycling curtain room with a mobile bracket, the mobile bracket is for fixing
Or the adjustment water mist recycles curtain room.
6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect, institute
Stating rain making control equipment includes: control computer, water level sensor and frequency-variable controller, and the water level sensor is arranged in institute
State in water tank, the frequency-variable controller is electrically connected with the water pump, the control computer respectively with the water level sensor and
The frequency-variable controller electrical connection.
With reference to first aspect, in the 8th kind of possible implementation of first aspect, water mist recycling curtain room includes saturating
Ming Dynasty style acrylic water mist recycles curtain room.
Second aspect, the embodiment of the present application provide a kind of small raininess cold mist type artificial rain simulating device application method,
Using device described in any possible implementation of first aspect or first aspect, which comprises carrying out rain making
The preceding inner wall by water mist recycling curtain room humidifies, until the droplet attachment on the inner wall in water mist recycling curtain room is in saturation
State；Equipment is controlled by rain making and starts water pump, and the water in water tank is delivered to cold mist type spray head, the cold mist type spray
The water that head sprays enters in test sample slot and the inner wall in water mist recycling curtain room, wherein being sprayed onto the interior of mist recycling curtain room
The water of wall flows back into the water tank；After controlling rain making, water and the institute of the outflow of linear reservoir device are obtained
Remaining water in water tank is stated, produces husky, ground cover hydrologic effect research for Rainfall-runoff.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of small raininess cold mist type artificial rain simulating device provided by the embodiments of the present application；
Fig. 2 is a kind of process of small raininess cold mist type artificial rain simulating device application method provided by the embodiments of the present application
Schematic diagram；
Symbol is expressed as in Fig. 1-2:
1- water tank, 2- water mist recycle curtain room, 3- cold mist type spray head, 4- water pump, 5- test sample slot, 6- linear reservoir dress
It sets, 7- delivery hose, 8- test sample, 9- fluid pressure type gradient adjusting rod, 10- fixed platform, the mobile bracket of 11-, 12- control electricity
Brain, 13- water level sensor, 14- frequency-variable controller.
Specific embodiment
This programme is illustrated with specific embodiment with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of small raininess cold mist type artificial rain simulating device provided by the embodiments of the present application,
Referring to Fig. 1, small raininess cold mist type artificial rain simulating device provided by the embodiments of the present application includes: water tank 1, the water tank
1 end suitable for reading is arranged a water mist and recycles curtain room 2, and the lower mouth insertion water tank 1 in water mist recycling curtain room 2 is suitable for reading, the water
The top in mist recycling curtain room 2 is provided with cold mist type spray head 3, is provided with water pump 4 in the water tank 1, the cold mist type spray head 3 with
The water outlet of the water pump 4 is connected, and the water pump 4 is electrically connected with rain making control equipment.Water mist recycling curtain room 2 with
Test sample slot 5 is set between the water tank 1, and the first end of the test sample slot 5 is provided with linear reservoir device 6, institute
The first end for stating test sample slot 5 is flexibly connected with water mist recycling curtain room 2, the second end of the test sample slot 5 and institute
State the flexible connection of water tank 1.
In the embodiment of the present application, water mist recycles curtain room 2 and recycles curtain room using transparent mode acrylic water mist, can pass through in this way
External vision internal simulation rain making situation.And the lower mouth bore in water mist recycling curtain room 2 is less than the mouth suitable for reading of water tank 1
Diameter, so that when cold mist type spray head 3 is sprayed water, the water for being sprayed onto water mist recycling curtain room 2 is back in water tank 1, is avoided
Simulation rain making in addition to the water that enters in test sample slot 5, remaining is sprayed on the ground.Water mist recycles curtain room 2 can
Play the role of effectively recycling the water in side wall, sets rainfall result more close to test.
The cold mist type spray head 3 used in the present embodiment is different from traditional sprinkler heads, and water-carriage mode is more mild, can solve small strong
Spend the problem of the dripping phenomenon occurred because water yield is very few and uniformity difference in artificially-simulated rainfall.Water pump 4 is for providing
Water in water tank 1 is transported to cold mist type spray head 3 and sprayed by power demand needed for artificially-simulated rainfall.Specifically, institute
It states and a delivery hose 7 is set between cold mist type spray head 3 and the water outlet of the water pump 4, the both ends of the delivery hose 7 connect respectively
Lead to the water inlet of the cold mist type spray head 3 and the water outlet of the water pump 4.
And the cold mist type spray head 3 be provided with it is multiple, multiple cold mist type spray heads 3 be uniformly arranged on the water mist return
Receive the top in curtain room 2.When can ensure that rainfall simulation in this way, the uniformity of rainfall, more close to true rainfall ring
Border.
In the embodiment of the present application, it can according to need in test sample slot 5 and different environment be set, such as in test sample
Slot is arranged test sample 8 and is soil, the mixing of soil and sandstone or turf etc. is arranged in the blending surface of soil or soil and sandstone, certainly
The test sample 8 that can also be simulated as needed makes more selections, and details are not described herein.
After the water that cold mist type spray head 3 sprays enters in test sample slot 5, according under natural environment, rainwater can a part
It is trickled by surface, another part penetrates into bottom, trickles from bottom.Specifically, linear reservoir device described in the present embodiment 6
Including the first linear reservoir pipeline and the second linear reservoir pipeline, described first linear reservoir pipeline one end and the test sample
It is connected at the top of the first end of slot 5, the side wall in the first linear reservoir pipeline other end and water mist recycling curtain room 2 is living
Dynamic connection, for realizing simulation rainwash.The first end of described second linear reservoir pipeline one end and the test sample slot 5
Bottom be connected, the side wall in the second linear reservoir pipeline other end and the water mist recycling curtain room 2 is flexibly connected, and is used for
Realize the simulation of interflow subsurface drainage.It enters in test sample slot 5 in addition to from the first linear reservoir pipeline and the second linear reservoir
Other than pipeline outflow, remaining is retained in test sample 8.
Further, in this embodiment the simulation in order to realize simulation different gradient, the second end of the test sample slot 5
Bottom be arranged a fluid pressure type gradient adjusting rod 9,9 both ends of fluid pressure type gradient adjusting rod respectively with the test sample slot 5
The bottom of second end be fixedly connected with the water tank 1.Specifically, the water tank of the second end of the corresponding test sample slot 5
Be provided with a fixed platform 10 on side wall, 9 both ends of fluid pressure type gradient adjusting rod respectively with the test sample slot 5 second
The bottom at end is fixedly connected with the fixed platform 10.
With further reference to Fig. 1,2 outside of water mist recycling curtain room is fixedly connected with a mobile bracket 11, the mobile branch
Frame 11 is for fixing or adjusting water mist recycling curtain room 2.Such as adjustable water mist recycles height and the position in curtain room 2 etc..
In the present embodiment, when operator realizes rainfall simulation, it is also necessary to control equipment by rain making, manually
Rainfall control equipment includes: control computer 12, water level sensor 13 and frequency-variable controller 14, and the setting of water level sensor 13 exists
In the water tank 1, the frequency-variable controller 14 is electrically connected with the water pump 4, the control computer 12 respectively with the water level
Sensor 13 and the frequency-variable controller 14 are electrically connected.In the present embodiment control computer 12 can be set rain making time and
The parameters such as rainfall, frequency-variable controller 14 control water pump 4, and water level sensor 13 can be in real time by the water level information in water tank 1
It is transferred to control computer 12, to carry out whether artificial judgment also needs to continue rain making according to the water level information of display.
One illustrative examples, through control computer 12 required artificially-simulated rainfall parameter is set, as rainfall duration (h),
Rainfall (mm), rainfall intensity (mm/h) etc. open the control starting water pump 4 of frequency-variable controller 14 in a manner of analog signal transmission,
Under the dynamic condition that water pump 4 provides, so that the water in water tank 1 is delivered to cold mist type spray head 3 through delivery hose 7, start to carry out
Simulated rainfall.During artificially-simulated rainfall, the water flow being down in transparent mode acrylic water mist recycling 2 side wall of curtain room returns water tank 1
It is interior.
Precipitation needed for artificially-simulated rainfall is converted into water level decreasing height in water tank 1 according to following formula:
In formula, the tested area of test sample slot 5 is S1(m2), fluid pressure type gradient adjusting rod 9 set for examination the gradient as (°),
1 surface area of water tank is S2(m2), simulated rainfall intensity is set as (mm/h), sets the simulated rainfall time as t (h), water tank 1
Interior water level decreasing height is H (m).
By water level sensor 13 constantly by water level information feed back to control computer 12 handle, operate that personnel according to
The continuous adjusting parameter of processing result controls frequency-variable controller 14, constantly adjusts the output power of water pump 4, makes manual simulation
Rainfall result is close to required rainfall environment.Linear reservoir device 6 is then responsible for the runoff export that will be generated in test sample slot 5 (no
Flow into water tank 1) for testing.
As can be seen from the above embodiments, a kind of small raininess cold mist type artificial rain simulating device is present embodiments provided, comprising:
Water tank 1, the water tank 1 end suitable for reading are arranged a water mist and recycle curtain room 2, and the water mist recycles described in the lower mouth insertion in curtain room 2
Water tank 1 is suitable for reading, and the top in water mist recycling curtain room 2 is provided with cold mist type spray head 3, is provided with water pump in the water tank 1
4, the cold mist type spray head 3 is connected with the water outlet of the water pump 4, and the water pump 4 is electrically connected with rain making control equipment.
Test sample slot 5, the first end setting of the test sample slot 5 are set between the water mist recycling curtain room 2 and the water tank 1
There is linear reservoir device 6, the first end of the test sample slot 5 is flexibly connected with water mist recycling curtain room 2, described for sample
The second end of product slot 5 is flexibly connected with the water tank 1.The sprinkling of small water may be implemented by cold mist type spray head 3, and spray
Other than entering in test sample slot 5, remaining can also recycle curtain room 2 along water mist and be back to water tank 1 water spilt
It is interior.Therefore, the simulation that the small raininess natural precipitation environment under artificial condition can be realized using above-mentioned apparatus, with traditional artificial drop
Rain reduces occupied area, lifting test efficiency, the rainfall environment built closer to true rainfall first than comparing, and right
The indoor quantitative measurement results that Rainfall-runoff produces husky, ground cover hydrologic effect etc. are more accurate.
Corresponding with small raininess cold mist type artificial rain simulating device provided by the above embodiment, present invention also provides one
The embodiment of the small raininess cold mist type artificial rain simulating device application method of kind.Referring to fig. 2, which comprises
S101 humidifies the inner wall in water mist recycling curtain room before carrying out rain making, until the water mist recycles curtain
Droplet attachment on the inner wall in room is in a saturated state.
It is the natural precipitation device under the small raininess of simulation due to using the simulator in above-described embodiment, further to mention
High simulation precision needs first to start a period of time device before the test, makes water mist recycling curtain room side wall wetting, to reduce side wall
Error brought by retaining.Specifically, adhere to full water in curtain room side wall when water mist recycles, and no longer low, reach saturation shape
State can start to simulate rain making at this time.
S102 controls equipment by rain making and starts water pump, the water in water tank is delivered to cold mist type spray head, described
The water that cold mist type spray head sprays enters in test sample slot and the inner wall in water mist recycling curtain room, wherein being sprayed onto the mist recycling
The water of the inner wall in curtain room flows back into the water tank.
Artificially-simulated rainfall parameter needed for being arranged through control computer, such as rainfall duration (h), rainfall (mm), rainfall intensity
(mm/h) etc., frequency-variable controller control starting water pump is opened in a manner of analog signal transmission, under the dynamic condition that water pump provides,
So that the water in water tank is delivered to cold mist type spray head through delivery hose, starts to carry out simulated rainfall.During artificially-simulated rainfall, drop
Water flow on to transparent mode acrylic water mist recycling curtain room side wall is returned in water tank 1.
Precipitation needed for artificially-simulated rainfall is converted into water level decreasing height in water tank 1 according to following formula:
In formula, the tested area of test sample slot is S1(m2), fluid pressure type gradient adjusting rod set for examination the gradient as (°), store up
Water tank surface area is S2(m2), simulated rainfall intensity is set as (mm/h), sets the simulated rainfall time as t (h), water in water tank
Position falling head is H (m).
S103 is obtained and is remained in the water and the water tank of linear reservoir device outflow after controlling rain making
Remaining water.
Linear reservoir device is responsible for the runoff generated in test sample slot exporting (not flowing into water tank) for testing.
Water level decreasing height in water tank after the water and artificially-simulated rainfall that are got according to linear reservoir device determines
The water of water tank output.It finally determines under present day analog environment, the water etc. retained in test sample.Further, also
The water, soil and sand etc. flowed out from linear reservoir device can be obtained.And then may be implemented the later period to Rainfall-runoff produce it is husky,
The research of ground cover hydrologic effect.
The small rainfall mould of varying strength may be implemented in the present embodiment using small raininess cold mist type artificial rain simulating device
Quasi- rainfall, and the different gradients can also be arranged in test sample slot, and cold mist type spray head makes the artificially-simulated rainfall generated
Every element more gets close to nature rainfall.So that carrying out rainfall simulation using above-mentioned simulator, measurement result is more quasi-
Really.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
Certainly, above description is also not limited to the example above, technical characteristic of the application without description can by or
It is realized using the prior art, details are not described herein；The technical solution that above embodiments and attached drawing are merely to illustrate the application is not
It is the limitation to the application, Tathagata substitutes, and the application is described in detail only in conjunction with and referring to preferred embodiment, ability
Domain it is to be appreciated by one skilled in the art that those skilled in the art were made in the essential scope of the application
Variations, modifications, additions or substitutions also should belong to claims hereof protection scope without departure from the objective of the application.
Claims (10)
1. a kind of small raininess cold mist type artificial rain simulating device characterized by comprising water tank, the water tank are suitable for reading
End one water mist of setting recycles curtain room, and the lower mouth insertion water tank in water mist recycling curtain room is suitable for reading, and the water mist recycles curtain
It is provided with cold mist type spray head at the top of room, water pump is provided in the water tank, the cold mist type spray head goes out with the water pump
The mouth of a river is connected, and the water pump is electrically connected with rain making control equipment；Between the water mist recycling curtain room and the water tank
Test sample slot is set, the first end of the test sample slot is provided with linear reservoir device, and the first of the test sample slot
End is flexibly connected with water mist recycling curtain room, and the second end of the test sample slot is flexibly connected with the water tank.
2. small raininess cold mist type artificial rain simulating device according to claim 1, which is characterized in that the cold mist type spray
One delivery hose is set between head and the water outlet of the water pump, and the both ends of the delivery hose are respectively communicated with the cold mist type spray
The water inlet of head and the water outlet of the water pump.
3. small raininess cold mist type artificial rain simulating device according to claim 2, which is characterized in that the cold mist type spray
Head is provided with multiple, and multiple cold mist type spray heads are uniformly arranged on the top in water mist recycling curtain room.
4. small raininess cold mist type artificial rain simulating device according to claim 3, which is characterized in that the linear reservoir
Device includes the first linear reservoir pipeline and the second linear reservoir pipeline, and described first linear reservoir pipeline one end is with described for examination
It is connected at the top of the first end of sample cell, the side wall of the first linear reservoir pipeline other end and water mist recycling curtain room
It is flexibly connected；Described second linear reservoir pipeline one end is connected with the bottom of the first end of the test sample slot, and described
The two linear reservoir pipeline other ends are flexibly connected with the side wall in water mist recycling curtain room.
5. small raininess cold mist type artificial rain simulating device according to claim 4, which is characterized in that the test sample
A fluid pressure type gradient adjusting rod is arranged in the bottom of the second end of slot, and the fluid pressure type gradient adjusting rod both ends are respectively with described for examination
The bottom of the second end of sample cell is fixedly connected with the water tank.
6. small raininess cold mist type artificial rain simulating device according to claim 5, which is characterized in that corresponding described for examination
Be provided with a fixed platform on the water tank side wall of the second end of sample cell, the fluid pressure type gradient adjusting rod both ends respectively with it is described
The bottom of the second end of test sample slot is fixedly connected with the fixed platform.
7. small raininess cold mist type artificial rain simulating device according to claim 1-6, which is characterized in that described
It is fixedly connected on the outside of water mist recycling curtain room with a mobile bracket, the mobile bracket is for fixing or adjusting the water mist recycling curtain
Room.
8. small raininess cold mist type artificial rain simulating device according to claim 7, which is characterized in that the rain making
Control equipment includes: control computer, water level sensor and frequency-variable controller, and the water level sensor is arranged in the water tank
Interior, the frequency-variable controller is electrically connected with the water pump, the control computer respectively with the water level sensor and the frequency conversion
Controller electrical connection.
9. small raininess cold mist type artificial rain simulating device according to claim 1, which is characterized in that the water mist recycling
Curtain room includes transparent mode acrylic water mist recycling curtain room.
10. a kind of small raininess cold mist type artificial rain simulating device application method, which is characterized in that appointed using claim 1-9
Device described in one, which comprises
The inner wall in water mist recycling curtain room is humidified before carrying out rain making, until the water on the inner wall in water mist recycling curtain room
Pearl attachment is in a saturated state；
Equipment is controlled by rain making and starts water pump, and the water in water tank is delivered to cold mist type spray head, the cold mist type spray
The water that head sprays enters in test sample slot and the inner wall in water mist recycling curtain room, wherein being sprayed onto the interior of mist recycling curtain room
The water of wall flows back into the water tank；
After controlling rain making, remaining water in the water and the water tank of linear reservoir device outflow is obtained,
Husky, ground cover hydrologic effect research is produced for Rainfall-runoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598220.1A CN110249878B (en) | 2019-07-04 | 2019-07-04 | Heavy-rain strong-cold-fog type artificial rainfall simulation device and application method thereof |
Applications Claiming Priority (1)
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