CN114544252A - Lake and reservoir water quality sampler - Google Patents
Lake and reservoir water quality sampler Download PDFInfo
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- CN114544252A CN114544252A CN202210328465.4A CN202210328465A CN114544252A CN 114544252 A CN114544252 A CN 114544252A CN 202210328465 A CN202210328465 A CN 202210328465A CN 114544252 A CN114544252 A CN 114544252A
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- fixedly connected
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- fixed cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 101100156831 Homo sapiens XDH gene Proteins 0.000 description 1
- 102100033220 Xanthine oxidase Human genes 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a lake and reservoir water quality sampler, which comprises a fixed cylinder, wherein a base is arranged at the lower side of the fixed cylinder, sealing rubber is arranged between the base and the fixed cylinder, buckles are annularly arranged at the side ends of the base and the fixed cylinder, a control box is fixedly connected at the upper side of the fixed cylinder, a water level sensor is fixedly connected in the middle of the upper end of the control box, pull rings are fixedly connected at both sides of the upper end of the control box, a first electric push rod is fixedly connected to the inner wall of the upper side of the control box, water inlet pipes are arranged at both sides of the control box, a connecting disc is rotatably connected in the middle of the base, four connecting platforms are annularly arranged on the connecting disc, a sampling cylinder is arranged between a screw rod and the fixed plate, a connecting cylinder is rotatably connected in the middle of the fixed cylinder, and a second electric push rod is fixedly connected to the right side of the connecting cylinder of the fixed cylinder, so that the working efficiency is higher.
Description
Technical Field
The invention relates to the field of hydrological monitoring equipment, in particular to a lake and reservoir water quality sampler.
Background
Water is the source of life, and human life and production activities can not be kept away from water. China has wide regions and a large population, and most of water for urban residents comes from lakes or reservoirs. In order to ensure the water safety of residents, the hydrological environment of lakes or reservoirs needs to be monitored frequently, and the current situation of water quality is mastered timely. When water quality sampling is carried out, a water quality sampling device is an important device. However, in the water quality monitoring process, the water quality at different depths is required to be sampled, the sampling at different depths cannot be conveniently carried out by the existing water quality sampler, and the sampler can only be placed in different water depths for sampling and then taken out for next sampling, so that the water taking efficiency is lower.
Disclosure of Invention
The invention aims to provide a lake and reservoir water quality sampler to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a lake reservoir water quality sampler comprises a fixed cylinder, wherein a base is arranged on the lower side of the fixed cylinder, sealing rubber is arranged between the base and the fixed cylinder, buckles are arranged on the side ends of the base and the fixed cylinder in an annular mode, a control box is fixedly connected to the upper side of the fixed cylinder, a water level sensor is fixedly connected to the middle of the upper end of the control box, pull rings are fixedly connected to two sides of the upper end of the control box, a first electric push rod is fixedly connected to the inner wall of the upper side of the control box, the water level sensor is electrically connected with the first electric push rod, water inlet pipes are arranged on two sides of the control box, a connecting disc is rotatably connected to the middle of the base, four connecting platforms are arranged on the connecting disc in an annular mode, a fixed plate is fixedly connected to the side end of each connecting platform, a screw rod is rotatably connected to the side end of each connecting platform, a sampling cylinder is arranged between the screw rod and the fixed plate, the middle of a fixed cylinder is rotatably connected with a connecting cylinder, the outer side wall of the connecting cylinder is provided with a guide groove, and the fixed cylinder is located on the right side of the connecting cylinder and fixedly connected with a second electric push rod.
Preferably, the side that the control box is located the inlet tube is equipped with the regulating plate, two the regulating plate symmetry sets up, the regulating plate is L type structure, the downside fixedly connected with rubber buffer of regulating plate, the rubber buffer joint is in inlet tube department, the mouth of pipe department of inlet tube is equipped with the filter screen.
Preferably, the centre sliding connection of control box has the connecting piece, the connecting piece is T type structure, connecting piece upper end and first electric push rod fixed connection, the lower extreme both sides of connecting piece all articulate and are connected with the connecting rod, the other end and the regulating plate of connecting rod rotate to be connected.
Preferably, the both sides of connection pad all fixedly connected with locating piece, be equipped with two constant head tanks on the inside wall of connecting cylinder, the locating piece joint is in the constant head tank, the connection pad passes through locating piece and connecting cylinder fixed connection.
Preferably, the guide groove is of a zigzag structure, the guide groove is annularly arranged around the connecting cylinder, the top end of the second electric push rod is fixedly connected with the driving column, the front end of the driving column is located in the guide groove, the outer side of the driving column is rotatably connected with the rotating cylinder, a guide block is arranged at a corner of the connecting cylinder located in the guide groove, and the bottom end of the corner of the guide groove is located on the right side of the guide block.
Preferably, the connection platform is located sliding connection and has the limiting plate between fixed plate and the screw rod, limiting plate and fixed plate all are the arc structure, the middle threaded connection of screw rod has two connecting blocks, two the side of connecting block all articulates and is connected with the connecting rod, the other end and the limiting plate of connecting rod articulate and connect.
Compared with the prior art, the invention has the beneficial effects that: the water level detector monitors the placing depth of the sampler, when the water level detector reaches the specified depth, the water level detector transmits a signal to the first electric push rod, the first electric push rod drives the connecting piece to move, the connecting piece drives the adjusting plate to rotate through the connecting rod, the rubber plug is removed from the water inlet pipe, water enters the control box and then falls into the sampling cylinder in the middle of the fixed cylinder, after sampling is completed, the rubber plug plugs the water inlet pipe, the sampler continues to move downwards, when removing next sample degree of depth, the second electric push rod drives the drive post and removes, and the drive post drives connecting cylinder and connection pad rotation when removing in the guide way, aims at the delivery port of control box with next sample cylinder, and this device simple structure automatic control takes a sample when reacing appointed depth of water, and once the sampling operation just can take a sample to the water of the different degree of depth, the effectual time that reduces the sample for work efficiency is higher.
Drawings
FIG. 1 is a schematic diagram of a sampler connection structure;
FIG. 2 is a schematic view of the connection structure inside the fixed cylinder;
FIG. 3 is a schematic view of a connecting structure of a guide groove and a driving column;
fig. 4 is a schematic view of a three-dimensional connection structure of a base.
In the figure: the device comprises a fixed cylinder 1, a base 2, a control box 3, a water level sensor 4, a pull ring 5, a water inlet pipe 6, a filter screen 7, an adjusting plate 8, a rubber plug 9, a first electric push rod 10, a connecting piece 11, a connecting rod 12, a connecting cylinder 13, a connecting disc 14, a positioning block 15, a connecting table 16, a sampling cylinder 17, a second electric push rod 18, a driving column 19, a guide groove 20, a rotating cylinder 21, a guide block 22, a fixing plate 23, a screw rod 24, a connecting block 25, a connecting rod 26 and a limiting plate 27.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a lake and reservoir water quality sampler comprises a fixed cylinder 1, a base 2 is arranged on the lower side of the fixed cylinder 1, sealing rubber is arranged between the base 2 and the fixed cylinder 1, buckles are annularly arranged on the side ends of the base 2 and the fixed cylinder 1, the base 2 and the fixed cylinder 1 are fixedly connected through the buckles, a control box 3 is fixedly connected on the upper side of the fixed cylinder 1, a water level sensor 4 is fixedly connected in the middle of the upper end of the control box 3, the water level sensor 4 adopts JY-DP, pull rings 5 are fixedly connected on both sides of the upper end of the control box 3, a first electric push rod 10 is fixedly connected on the inner wall of the upper side of the control box 3, the first electric push rod 10 adopts 38STG-50, the water level sensor 4 is electrically connected with the first electric push rod 10, water inlet pipes 6 are arranged on both sides of the control box 3, a connecting disc 14 is rotatably connected in the middle of the base 2, four connecting tables 16 are annularly arranged on the connecting disc 14, a fixing plate 23 is fixedly connected on the side end of each connecting table 16, the side end of each connecting platform 16 is rotatably connected with a screw rod 24, a sampling barrel 17 is arranged between the screw rod 24 and the fixing plate 23, the middle of the fixed barrel 1 is rotatably connected with a connecting barrel 13, the outer side wall of the connecting barrel 13 is provided with a guide groove 20, the fixed barrel 1 is fixedly connected with a second electric push rod 18 positioned at the right side of the connecting barrel 13, and the second electric push rod 18 adopts XDHA 12-150.
The side that control box 3 is located inlet tube 6 is equipped with regulating plate 8, 8 symmetries of two regulating plates set up, regulating plate 8 is L type structure, regulating plate 8's downside fixedly connected with rubber buffer 9, rubber buffer 9 joint is in inlet tube 6 department, the mouth of pipe department of inlet tube 6 is equipped with filter screen 7, with rubber buffer 9 when regulating plate 8 is rotatory putd aside from inlet tube 6, water is by inlet tube 6 access control box 3, flow into in the sampling tube 17 in the middle of the fixed section of thick bamboo 1 by control box 3 again, filter screen 7 can filter the impurity of aquatic, avoid inlet tube 6 to block up.
The centre sliding connection of control box 3 has connecting piece 11, connecting piece 11 is T type structure, 11 upper ends of connecting piece and first electric push rod 10 fixed connection, the lower extreme both sides of connecting piece 11 all articulate and are connected with connecting rod 12, the other end and the regulating plate 8 of connecting rod 12 rotate to be connected, first electric push rod 10 drives connecting piece 11 and removes in control box 3, connecting piece 11 drives the regulating plate 8 rotation through connecting rod 12.
All fixedly connected with locating piece 15 in both sides of connection pad 14 is equipped with two constant head tanks on the inside wall of connecting cylinder 13, and locating piece 15 joint is in the constant head tank, and connection pad 14 passes through locating piece 15 and connecting cylinder 13 fixed connection, fixes a position connection pad 14 and sampler barrel 17's position for the upper end of sampler barrel 17 is just to the delivery port of control box 3.
The connection platform 16 is located between the fixed plate 23 and the screw rod 24 and is connected with a limiting plate 27 in a sliding mode, the limiting plate 27 and the fixed plate 23 are both arc-shaped structures, the middle of the screw rod 24 is connected with two connecting blocks 25 in a threaded mode, the side ends of the two connecting blocks 25 are connected with a connecting rod 26 in a hinged mode, the other end of the connecting rod 26 is connected with the limiting plate 27 in a hinged mode, the rotating screw rod 24 drives the connecting blocks 25 to move along the screw rod 24, the connecting blocks 25 drive the limiting plate 27 to move through the connecting rod 26, and the sampling cylinder 17 is fixed between the limiting plate 27 and the fixed plate 23.
The working principle is as follows: placing a sampling cylinder 17 between a limiting plate 27 and a fixing plate 23, rotating a screw 24 to drive a connecting block 25 to move along the screw 24, driving the limiting plate 27 to move by the connecting block 25 through a connecting rod 26, fixing the sampling cylinder 17, clamping a positioning block 15 in a positioning groove on the inner wall of the connecting cylinder 17, fixedly connecting a connecting disc 14 with a connecting cylinder 13 through the positioning block 15, positioning the positions of the connecting disc 14 and the sampling cylinder 17, enabling the upper end of the sampling cylinder 17 to be right opposite to a water outlet of a control box 3, fixedly connecting a base 2 with a fixed cylinder 1 through a buckle, monitoring the placement depth of the sampler by a water level detector 4, transmitting a signal to a first electric push rod 10 by the water level detector 4 after reaching a specified depth, driving a connecting piece 11 to move by the first electric push rod 10, driving an adjusting plate 8 to rotate by the connecting piece 11 through a connecting rod 12, removing a rubber plug 9 from a water inlet pipe 6, enabling water to enter the control box 3 from the water inlet pipe 6 and then fall into the sampling cylinder 17 in the middle of the fixed cylinder 1, the rubber buffer 9 plugs up the inlet tube after the sample is accomplished, and the sampler continues the downstream, and when removing next sample degree of depth, 19 removal in guide way 20 are driven to second electric putter 18 when driving 19 vertical movements of post, and it is rotatory that drive post 19 drives connecting cylinder 13 and connection pad 14 through guide way 20, with the delivery port of next sampling cylinder 17 alignment control box 3.
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 (6)
1. The utility model provides a lake and reservoir quality of water sampler, includes fixed cylinder (1), its characterized in that: the lower side of the fixed cylinder (1) is provided with a base (2), sealing rubber is arranged between the base (2) and the fixed cylinder (1), buckles are arranged on the side end of the base (2) and the fixed cylinder (1) in an annular mode, the upper side of the fixed cylinder (1) is fixedly connected with a control box (3), a water level sensor (4) is fixedly connected in the middle of the upper end of the control box (3), pull rings (5) are fixedly connected on two sides of the upper end of the control box (3), a first electric push rod (10) is fixedly connected on the inner wall of the upper side of the control box (3), the water level sensor (4) is electrically connected with the first electric push rod (10), water inlet pipes (6) are arranged on two sides of the control box (3), a connecting disc (14) is rotatably connected in the middle of the base (2), and four connecting tables (16) are arranged on the connecting disc (14) in an annular mode, every the side of junctor table (16) is fixedly connected with fixed plate (23), every the side of junctor table (16) all rotates and is connected with screw rod (24), be equipped with sampling cylinder (17) between screw rod (24) and fixed plate (23), the centre of solid fixed cylinder (1) rotates and is connected with connecting cylinder (13), be equipped with guide way (20) on the lateral wall of connecting cylinder (13), gu fixed cylinder (1) is located right side fixedly connected with second electric putter (18) of connecting cylinder (13).
2. The lake and reservoir water quality sampler according to claim 1, characterized in that: the side that control box (3) are located inlet tube (6) is equipped with regulating plate (8), two regulating plate (8) symmetry sets up, regulating plate (8) are L type structure, downside fixedly connected with rubber buffer (9) of regulating plate (8), rubber buffer (9) joint is in inlet tube (6) department, the mouth of pipe department of inlet tube (6) is equipped with filter screen (7).
3. The lake and reservoir water quality sampler according to claim 1, characterized in that: the middle sliding connection of control box (3) has connecting piece (11), connecting piece (11) are T type structure, connecting piece (11) upper end and first electric push rod (10) fixed connection, the lower extreme both sides of connecting piece (11) all articulate and are connected with connecting rod (12), the other end and regulating plate (8) of connecting rod (12) rotate and connect.
4. The lake and reservoir water quality sampler according to claim 1, characterized in that: both sides of connection pad (14) are fixedly connected with locating piece (15), be equipped with two constant head tanks on the inside wall of connecting cylinder (13), locating piece (15) joint is in the constant head tank, connection pad (14) are through locating piece (15) and connecting cylinder (13) fixed connection.
5. The lake and reservoir water quality sampler according to claim 1, characterized in that: the guide groove (20) is of a zigzag structure, the guide groove (20) is annularly arranged around the connecting cylinder (13), the top end of the second electric push rod (18) is fixedly connected with a driving column (19), the front end of the driving column (19) is located in the guide groove (20), the outer side of the driving column (19) is rotatably connected with a rotating cylinder (21), a guide block (22) is arranged at the corner of the connecting cylinder (13) located in the guide groove (20), and the bottom end of the corner of the guide groove (20) is located on the right side of the guide block (22).
6. The lake and reservoir water quality sampler according to claim 1, characterized in that: connect platform (16) to be located sliding connection between fixed plate (23) and screw rod (24) and have limiting plate (27), limiting plate (27) and fixed plate (23) all are the arc structure, the middle threaded connection of screw rod (24) has two connecting blocks (25), two the side of connecting block (25) all articulates and is connected with connecting rod (26), the other end and limiting plate (27) of connecting rod (26) articulate and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328465.4A CN114544252A (en) | 2022-03-31 | 2022-03-31 | Lake and reservoir water quality sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328465.4A CN114544252A (en) | 2022-03-31 | 2022-03-31 | Lake and reservoir water quality sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114544252A true CN114544252A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210328465.4A Pending CN114544252A (en) | 2022-03-31 | 2022-03-31 | Lake and reservoir water quality sampler |
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| Country | Link |
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| CN (1) | CN114544252A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926879A (en) * | 2019-12-13 | 2020-03-27 | 湖州锦鸿环保工程有限公司 | Water quality stratified sampling device of adjustable water intaking interlamellar spacing |
| CN211013622U (en) * | 2019-08-21 | 2020-07-14 | 重庆惠源检测技术有限公司 | A sample structure for detecting water resource |
| CN211148622U (en) * | 2019-11-27 | 2020-07-31 | 赵轩 | Sampling device for water quality testing |
| JP2021028463A (en) * | 2019-08-09 | 2021-02-25 | 張偉萍 | Water quality monitoring pre-processing device for river and lake |
| CN112444430A (en) * | 2020-10-27 | 2021-03-05 | 李宣霖 | Depth-adjustable water quality detector for stratified sampling |
| CN112857891A (en) * | 2021-03-16 | 2021-05-28 | 青海九零六工程勘察设计院 | Underground water stratified sampling device |
| CN214472058U (en) * | 2021-04-16 | 2021-10-22 | 新疆昌源水务科学研究院（有限公司） | Novel water quality testing device uses sample device |
| CN214749151U (en) * | 2021-05-08 | 2021-11-16 | 生态环境部黄河流域生态环境监督管理局生态环境监测与科学研究中心 | Water quality monitoring stratified sampling device |
| WO2022048257A1 (en) * | 2020-09-05 | 2022-03-10 | 胡自远 | Water sample sampler for geological exploration |
| CN114216732A (en) * | 2021-12-10 | 2022-03-22 | 安徽新宇环保科技股份有限公司 | River channel depth measurement sampling device and using method thereof |
-
2022
- 2022-03-31 CN CN202210328465.4A patent/CN114544252A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021028463A (en) * | 2019-08-09 | 2021-02-25 | 張偉萍 | Water quality monitoring pre-processing device for river and lake |
| CN211013622U (en) * | 2019-08-21 | 2020-07-14 | 重庆惠源检测技术有限公司 | A sample structure for detecting water resource |
| CN211148622U (en) * | 2019-11-27 | 2020-07-31 | 赵轩 | Sampling device for water quality testing |
| CN110926879A (en) * | 2019-12-13 | 2020-03-27 | 湖州锦鸿环保工程有限公司 | Water quality stratified sampling device of adjustable water intaking interlamellar spacing |
| WO2022048257A1 (en) * | 2020-09-05 | 2022-03-10 | 胡自远 | Water sample sampler for geological exploration |
| CN112444430A (en) * | 2020-10-27 | 2021-03-05 | 李宣霖 | Depth-adjustable water quality detector for stratified sampling |
| CN112857891A (en) * | 2021-03-16 | 2021-05-28 | 青海九零六工程勘察设计院 | Underground water stratified sampling device |
| CN214472058U (en) * | 2021-04-16 | 2021-10-22 | 新疆昌源水务科学研究院（有限公司） | Novel water quality testing device uses sample device |
| CN214749151U (en) * | 2021-05-08 | 2021-11-16 | 生态环境部黄河流域生态环境监督管理局生态环境监测与科学研究中心 | Water quality monitoring stratified sampling device |
| CN114216732A (en) * | 2021-12-10 | 2022-03-22 | 安徽新宇环保科技股份有限公司 | River channel depth measurement sampling device and using method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王雨春,黄荣贵,万国江: "SWB-1型便携式湖泊沉积物─界面水取样器的研制", 地质地球化学 * |
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Application publication date: 20220527 |
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