CN108207926A - A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion - Google Patents
A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion Download PDFInfo
- Publication number
- CN108207926A CN108207926A CN201810100441.7A CN201810100441A CN108207926A CN 108207926 A CN108207926 A CN 108207926A CN 201810100441 A CN201810100441 A CN 201810100441A CN 108207926 A CN108207926 A CN 108207926A
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- Prior art keywords
- strainer
- water channel
- project
- south
- baffle
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M19/00—Apparatus for the destruction of noxious animals, other than insects, by hot water, steam, hot air, or electricity
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
- A01M29/18—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves using ultrasonic signals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of project of South-to-North water diversion devices for preventing extraneous biotic intrusion,Including the second water channel,One end of second water channel is connected with the first water channel,And second the other end of water channel be connected with third water channel,And the first strainer and the second strainer are equipped with by stent on the inner wall of the second water channel,The both sides of first strainer are fixedly connected with baffle,And second side of the strainer far from the first strainer be fixedly connected with baffle,And the both sides of the second water channel are connected respectively with back pool,Ultraviolet lamp house is installed on third water channel,The present apparatus can pass through baffle,First strainer intercepts fry with the second strainer,Ultrasonic wave on baffle is installed and disturbs fish device,Ultrasonic wave disturbs fish device and fish face can be driven,Fish is made to be migrated again to the first river,First strainer and the second strainer can repeatedly intercept fish face,Make the reduction of fry percent of pass,There are gaps between the first strainer and the second strainer and the second river simultaneously,Facilitate passing through for the sundries such as algae.
Description
Technical field
The present invention relates to prevent biotic intrusion technical field more particularly to a kind of project of South-to-North water diversion extraneous biological with preventing
The device of invasion.
Background technology
Project of South-to-North water diversion is the strategic engineering of the People's Republic of China (PRC), is referred to Yangtze river basin water resource from thereon
Trip, middle reaches, downstream, with reference to Chinese territory region characteristic, Fen Dong, in, western three lines transfer part send to North China and Huai-Hai Plain and
Water Resource in Northwest shortage area, East Route Project starting point are located at Jiangsu Jiangdu of Yangzhou City key water control project；Work centerline starting point is located at
The Danjiangkou Reservoir of Han River middle and upper reaches, water supply region be Henan, Hebei, Beijing, α Cygni save.
Biotic intrusion refers to that biology invades another new environment with depositing by primary through natural or artificial approach, right
Bio-diversity, agriculture, forestry, animal husbandry and fishery production and the human health for invading ground cause the process of economic loss or ecocatastrophe.South
Water north tune engineering while abundant water resource is provided for the north, but also some southern biotic intrusions to the north, to the north
Ecology cause certain destruction or even undesirable influence caused on the health of human body.
Invention content
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of project of South-to-North water diversion proposed is used
Prevent the device of extraneous biotic intrusion.
To achieve these goals, present invention employs following technical solutions：
A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion, including the second water channel, one end of second water channel
It is connected with the first water channel, and the other end of the second water channel is connected with third water channel, and passes through on the inner wall of the second water channel
Stent is equipped with the first strainer and the second strainer, and the both sides of the first strainer are fixedly connected with baffle, and the second strainer is far from first
The side of strainer is fixedly connected with baffle, and the both sides of the second water channel are connected respectively with back pool, is installed on third water channel
There is ultraviolet lamp house；
The ultraviolet lamp house includes housing, rotating bar, supporting rack, third strainer and ultraviolet lamp, the wherein both ends of rotating bar and shell
The inner wall of body is connected, and rotating bar is welded to connect with supporting rack, and supporting rack is connected with third strainer, and ultraviolet lamp is mounted on shell
The top of internal wall.
Preferably, first water channel and third water channel is of same size, and the width of the second water channel is wide for the first water channel
3 times -6 times of degree.
Preferably, first strainer is identical with the aperture of the second strainer, and the aperture of the first strainer is 0.5mm-2mm,
And the aperture of third strainer is 0.1mm-0.5mm.
Preferably, regulating valve is installed, and the height of back pool the top is more than between the back pool and the second water channel
The height of second water channel the top, and back pool is connected by connecting tube with the first water channel, and connecting tube and the first water
The lower end in road is connected.
Preferably, multiple supporting racks are installed in the rotating bar, the number of supporting rack is 6-12, and supporting rack it
Between distance it is equal.
Preferably, card slot is offered on support frame as described above, and third strainer is socketed on the inside of card slot, and supporting rack and the
Fixing nut is connected between three strainers.
Preferably, the inside of the baffle is hollow structure, and the inside of baffle is vacuum shape, and on the inner wall of baffle
Ultrasonic wave is installed and disturbs fish device.
Preferably, first water channel is connected with the upstream in river, the communicated downstream in the second water channel and river.
The beneficial effects of the invention are as follows：
1st, the present apparatus can intercept fry by baffle, the first strainer and the second strainer, and ultrasonic wave is equipped on baffle
Fish device is disturbed, ultrasonic wave disturbs fish device and fry can be driven, and fish is made to be migrated again to the first water channel, the first strainer and the second filter
Net can repeatedly intercept fish face, make the reduction of fry percent of pass, while exist between the first strainer and the second strainer and the second water channel
Gap facilitates passing through for the sundries such as algae；
2nd, UV chamber can utilize ultraviolet light to kill fish-egg and remaining fry, and third strainer drags for fish-egg and fry
It rises, fish-egg and fry is made to expose in air, cooperation ultraviolet light thoroughly kills fish-egg and fry, prevents biotic intrusion.
Description of the drawings
Fig. 1 is a kind of vertical view of project of South-to-North water diversion device for preventing extraneous biotic intrusion proposed by the present invention；
Fig. 2 is a kind of front view of project of South-to-North water diversion device for preventing extraneous biotic intrusion proposed by the present invention；
Fig. 3 is a kind of UV chamber figure of project of South-to-North water diversion device for preventing extraneous biotic intrusion proposed by the present invention.
In figure：1 first water channel, 2 second water channels, 3 third water channels, 4 first strainers, 5 baffles, 6 back pools, 7 connecting tubes, 8
UV chamber, 9 second strainers, 81 housings, 82 rotating bars, 83 supporting racks, 84 third strainers, 85 ultraviolet lamps.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-3, a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion, including the second water channel 2, second
One end of water channel 2 is connected with the first water channel 1, and the other end of the second water channel 2 is connected with third water channel 3, and the second water
First strainer 4 and the second strainer 9 are equipped with by stent on the inner wall in road 2, the both sides of the first strainer 4 are fixedly connected with baffle 5,
And second side of the strainer 9 far from the first strainer 4 be fixedly connected with baffle 5, and the both sides of the second water channel 2 respectively with back pool
6 are connected, and ultraviolet lamp house 8 is equipped on third water channel 3, and ultraviolet lamp house 8 includes housing 81, rotating bar 82, supporting rack 83, third
Strainer 84 and ultraviolet lamp 85, the wherein both ends of rotating bar 82 are connected with the inner wall of housing 81, and rotating bar 82 and supporting rack 83
It is welded to connect, supporting rack 83 is connected with third strainer 84, and ultraviolet lamp 85 is mounted on the top of 81 inner wall of housing, the first water channel 1
It is of same size with third water channel 3, and 3 times -6 times that the width of the second water channel 2 is 1 width of the first water channel, the first strainer 4 and the
The aperture of two strainers 9 is identical, and the aperture of the first strainer 4 is 0.5mm-2mm, and the aperture of third strainer 84 is 0.1mm-
0.5mm is equipped with regulating valve between 6 and second water channel 2 of back pool, and the height of 6 the top of back pool is more than the second water channel 2 most
The height of upper end, and back pool 6 is connected by connecting tube 7 with the first water channel 1, and under 7 and first water channel 1 of connecting tube
End is connected, and multiple supporting racks 83 is equipped in rotating bar 82, the number of supporting rack 83 is 6-12, and between supporting rack 83
Distance it is equal, offer card slot on supporting rack 83, and third strainer 84 is socketed on the inside of card slot, and supporting rack 83 and third
It is connected with fixing nut between strainer 84, the inside of baffle 5 is hollow structure, and the inside of baffle 5 is vacuum shape, and baffle
Ultrasonic wave on 5 inner wall is installed and disturbs fish device, the first water channel 1 is connected with the upstream in river, the downstream of the second water channel 2 and river
It is connected.
In embodiment 1, during device normal operation, the present apparatus can be by baffle 5, the first strainer 4 and the second strainer 9 to fish
Seedling is intercepted, and ultrasonic wave is equipped on baffle 4 and disturbs fish device, ultrasonic wave disturbs fish device and fry can be driven, and makes fish again
It migrates to the first water channel 1, the first strainer 4 and the second strainer 9 can repeatedly intercept fish face, make the reduction of fry percent of pass, while the
There are gaps between one strainer 4 and the second strainer 9 and the second water channel 2, facilitate passing through for the sundries such as algae, UV chamber 8 can
Fish-egg is killed using ultraviolet light and remaining fry, third strainer 84 pick up fish-egg and fry, makes fish-egg and fry
In air, cooperation ultraviolet light thoroughly kills fish-egg and fry for exposure, prevents biotic intrusion, the inside of baffle 5 is hollow
Structure, and the inside of baffle 5 is vacuum shape, and ultrasonic wave is equipped on the inner wall of baffle 5 and disturbs fish device, the inside of baffle 5 is
Vacuum shape causes ultrasonic wave to disturb the ultrasonic wave that fish device is sent out and can only prolong one way propagation, after a small amount of fry swims across baffle 4, fish
Seedling is entered under the interference of ultrasonic wave in back pool 6, when fry is more in back pool 6, closes 6 and second water channel of back pool
Regulating valve between 2, and water pump water filling into back pool 6 is utilized, fry is put into the first water channel 1 finally by connecting tube 7.
In embodiment 2, when the first water channel 1, the second water channel 2 are of same size with third water channel 3, at this time in the second water channel 2
The speed of flow is identical with the first water channel 1, and water velocity is relatively fast, and the easy water impact of fry directly swims across the second water channel 2,
It is easy to cause biotic intrusion.
In embodiment 3, when the inside of baffle 5 is not vacuum shape, after a small amount of fry swims across baffle 4, back pool 6
In be also flooded with ultrasonic wave, fry will continue to rambling movement at this time, lead to have more fry to enter third water channel,
It is easy to cause biotic intrusion.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion, including the second water channel（2）, which is characterized in that institute
State the second water channel（2）One end and the first water channel（1）It is connected, and the second water channel（2）The other end and third water channel（3）It is connected
It is logical, and the second water channel（2）Inner wall on the first strainer is equipped with by stent（4）With the second strainer（9）, the first strainer（4）
Both sides and baffle（5）It is fixedly connected, and the second strainer（9）Far from the first strainer（4）Side and baffle（5）It is fixedly connected,
And the second water channel（2）Both sides respectively with back pool（6）It is connected, third water channel（3）On ultraviolet lamp house is installed（8）；
The ultraviolet lamp house（8）Including housing（81）, rotating bar（82）, supporting rack（83）, third strainer（84）And ultraviolet lamp
（85）, wherein rotating bar（82）Both ends and housing（81）Inner wall be connected, and rotating bar（82）With supporting rack（83）Welding
Connection, supporting rack（83）With third strainer（84）It is connected, ultraviolet lamp（85）Mounted on housing（81）The top of inner wall.
2. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
First water channel（1）With third water channel（3）Of same size, and the second water channel（2）Width be the first water channel（1）Width
3 times -6 times.
3. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
First strainer（4）With the second strainer（9）Aperture it is identical, and the first strainer（4）Aperture for 0.5mm-2mm, and the
Three strainers（84）Aperture be 0.1mm-0.5mm.
4. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
The back pool（6）With the second water channel（2）Between regulating valve, and back pool are installed（6）The height of the top is more than the second water
Road（2）The height of the top, and back pool（6）Pass through connecting tube（7）With the first water channel（1）It is connected, and connecting tube（7）
With the first water channel（1）Lower end be connected.
5. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
The rotating bar（82）On multiple supporting racks are installed（83）, supporting rack（83）Number for 6-12, and supporting rack（83）
The distance between it is equal.
6. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
Support frame as described above（83）On offer card slot, and third strainer（84）It is socketed on the inside of card slot, and supporting rack（83）With third
Strainer（84）Between be connected with fixing nut.
7. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
The baffle（5）Inside for hollow structure, and baffle（5）Inside for vacuum shape, and baffle（5）Inner wall on be equipped with
Ultrasonic wave disturbs fish device.
8. a kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion according to claim 1, which is characterized in that
First water channel（1）It is connected with the upstream in river, the second water channel（2）With the communicated downstream in river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100441.7A CN108207926B (en) | 2018-02-01 | 2018-02-01 | Device for preventing external biological invasion for south-to-north water transfer engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100441.7A CN108207926B (en) | 2018-02-01 | 2018-02-01 | Device for preventing external biological invasion for south-to-north water transfer engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108207926A true CN108207926A (en) | 2018-06-29 |
| CN108207926B CN108207926B (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810100441.7A Active CN108207926B (en) | 2018-02-01 | 2018-02-01 | Device for preventing external biological invasion for south-to-north water transfer engineering |
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| Country | Link |
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| CN (1) | CN108207926B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273620A (en) * | 2020-02-10 | 2020-06-12 | 安徽海沃特水务股份有限公司 | Water supply equipment monitoring and management system based on Internet of things |
| CN111436388A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for protecting fish resources in water transfer engineering |
| CN111466366A (en) * | 2020-04-16 | 2020-07-31 | 中国环境科学研究院 | Method and apparatus for directionally preventing aquatic animal propagation |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738317A (en) * | 1971-02-03 | 1973-06-12 | J Reynolds | Apparatus and method for hatching fish |
| CN101037275A (en) * | 2007-02-17 | 2007-09-19 | 刘其哲 | Biology and engineering composite ecological control method for harnessing natural water body |
| JP2012127067A (en) * | 2010-12-14 | 2012-07-05 | Chugoku Electric Power Co Inc:The | Fish intrusion prevention device |
| CN202551902U (en) * | 2012-05-30 | 2012-11-28 | 瞿宗敏 | Integrated aquaculture system with ecological fish culture and biological water purification |
| CN103058450A (en) * | 2011-10-19 | 2013-04-24 | 清华大学 | Treatment device for fouling organisms and water delivery engineering system |
| JP2013162779A (en) * | 2012-02-10 | 2013-08-22 | Ryoyo Sangyo Kk | Laver culturing net |
| KR20140029757A (en) * | 2012-08-30 | 2014-03-11 | 김형홍 | Fishing sinker for lure down shot |
| CN204292013U (en) * | 2014-11-18 | 2015-04-29 | 中国水产科学研究院长江水产研究所 | Fish pond culvert system |
| CN104621011A (en) * | 2013-11-11 | 2015-05-20 | 大石桥市鑫雨稻田养鱼专业合作社 | Fry incubator |
| CN104803445A (en) * | 2015-04-09 | 2015-07-29 | 国家海洋技术中心 | Underwater ultraviolet sterilizer |
| CN107205357A (en) * | 2014-11-06 | 2017-09-26 | Tx守护者有限公司 | Device for expelling/controlling pest invasion region and application thereof |
| CN107347824A (en) * | 2017-09-06 | 2017-11-17 | 王慧娴 | Multi-functional fish pond knot screen |
| CN107460936A (en) * | 2017-09-22 | 2017-12-12 | 陕西路盾公路工程有限公司 | Equipment for clearing up low-lying place's rainwater |
| CN209330995U (en) * | 2018-02-01 | 2019-09-03 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
-
2018
- 2018-02-01 CN CN201810100441.7A patent/CN108207926B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738317A (en) * | 1971-02-03 | 1973-06-12 | J Reynolds | Apparatus and method for hatching fish |
| CN101037275A (en) * | 2007-02-17 | 2007-09-19 | 刘其哲 | Biology and engineering composite ecological control method for harnessing natural water body |
| JP2012127067A (en) * | 2010-12-14 | 2012-07-05 | Chugoku Electric Power Co Inc:The | Fish intrusion prevention device |
| CN103058450A (en) * | 2011-10-19 | 2013-04-24 | 清华大学 | Treatment device for fouling organisms and water delivery engineering system |
| JP2013162779A (en) * | 2012-02-10 | 2013-08-22 | Ryoyo Sangyo Kk | Laver culturing net |
| CN202551902U (en) * | 2012-05-30 | 2012-11-28 | 瞿宗敏 | Integrated aquaculture system with ecological fish culture and biological water purification |
| KR20140029757A (en) * | 2012-08-30 | 2014-03-11 | 김형홍 | Fishing sinker for lure down shot |
| CN104621011A (en) * | 2013-11-11 | 2015-05-20 | 大石桥市鑫雨稻田养鱼专业合作社 | Fry incubator |
| CN107205357A (en) * | 2014-11-06 | 2017-09-26 | Tx守护者有限公司 | Device for expelling/controlling pest invasion region and application thereof |
| CN204292013U (en) * | 2014-11-18 | 2015-04-29 | 中国水产科学研究院长江水产研究所 | Fish pond culvert system |
| CN104803445A (en) * | 2015-04-09 | 2015-07-29 | 国家海洋技术中心 | Underwater ultraviolet sterilizer |
| CN107347824A (en) * | 2017-09-06 | 2017-11-17 | 王慧娴 | Multi-functional fish pond knot screen |
| CN107460936A (en) * | 2017-09-22 | 2017-12-12 | 陕西路盾公路工程有限公司 | Equipment for clearing up low-lying place's rainwater |
| CN209330995U (en) * | 2018-02-01 | 2019-09-03 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273620A (en) * | 2020-02-10 | 2020-06-12 | 安徽海沃特水务股份有限公司 | Water supply equipment monitoring and management system based on Internet of things |
| CN111436388A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for protecting fish resources in water transfer engineering |
| CN111466366A (en) * | 2020-04-16 | 2020-07-31 | 中国环境科学研究院 | Method and apparatus for directionally preventing aquatic animal propagation |
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| Publication number | Publication date |
|---|---|
| CN108207926B (en) | 2023-06-16 |
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