CN105784454B - Combined water sample filter - Google Patents

Combined water sample filter Download PDF

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Publication number
CN105784454B
CN105784454B CN201610289545.8A CN201610289545A CN105784454B CN 105784454 B CN105784454 B CN 105784454B CN 201610289545 A CN201610289545 A CN 201610289545A CN 105784454 B CN105784454 B CN 105784454B
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China
Prior art keywords
water
filter
filter membrane
ring
storing bottle
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CN201610289545.8A
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Chinese (zh)
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CN105784454A (en
Inventor
李传哲
刘佳
王洋
于福亮
王建华
田济扬
范玲雪
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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Priority to CN201610289545.8A priority Critical patent/CN105784454B/en
Publication of CN105784454A publication Critical patent/CN105784454A/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/06Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067Construction of the filtering drums, e.g. mounting or sealing arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/06Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/20Pressure-related systems for filters
    • B01D2201/204Systems for applying vacuum to filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2221/00Applications of separation devices
    • B01D2221/10Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention relates to a combined water sample filter. A rotatably filter membrane placement platform (20) comprises multiple round filter membrane placement rings (22), a filter bottle (5) is arranged above each round filter membrane placement ring correspondingly, a water storage bottle (4) is arranged below each round filter membrane placement ring correspondingly, a filter membrane is mounted when each round filter membrane placement ring (22) is not positioned between the corresponding water storage bottle (4) and the corresponding filter bottle (5), and after each filter membrane is mounted, the corresponding round filter membrane placement ring (22) is rotated to space between the corresponding water storage bottle (4) and the corresponding filter bottle (5). The combined water sample filter can filter multiple bottles of water samples in one time at the same time, and the filter membranes can be replaced by rotating the filter membrane placement platform, so that working efficiency is improved greatly, and trouble in demounting the filter bottles after each time of water sample filtering for water sample collection and filter membrane replacement is omitted; a valve at the lower end of each water storage bottle can collect the water samples after being filtered, so that convenience is brought to collecting the water samples.

Description

A kind of combined water sample filter
Technical field
The present invention relates to a kind of filter, particularly relates to a kind of combined water sample filter.
Background technology
It is the work on a basis to the chemical examination of water sample, in laboratory assay work when water environment correlative study is carried out In, for some indexs, such as the measure of ammonia nitrogen, nitrate nitrogen to the water sample that field is collected on condition that carry out pretreatment filtration.At present It is natural filtration that water sample is carried out filtering one kind, and because wild water sample pollutant load is higher, this kind of method rate of filtration is slower; Also be by filter pump filter, but can use using the filter of filter pump at present it is cumbersome, one side it is each It is secondary to filter one bottle of water sample, on the other hand filter each time and be required for dismantling filter after terminating, carry out turning for filtered fluid Move, change the work such as filter membrane, lose time, filter efficiency is relatively low.
The content of the invention
The present invention devises a kind of combined water sample filter, and its technical problem for solving is the filtration dress that can be used at present Put and use cumbersome, can only filter one bottle of water sample each time, and filter each time terminate after be required for dismounting to filter Device, carrying out the work such as transfer, the replacing filter membrane of filtered fluid can just carry out other one bottle of water sample filtration, cause to lose time and mistake Filter is less efficient.
In order to solve above-mentioned technical problem, below scheme is present invention employs:
A kind of combined water sample filter, including filter mounting bracket (1), water-storing bottle (4), filtering flask (5) and can Rotation filter membrane placement platform (20), it is characterised in that:Rotatable filter membrane placement platform (20) places ring including multiple circular filter membranes (22), each circular filter membrane places ring (22) top and is correspondingly provided with a filtering flask (5), and lower section is correspondingly provided with a water-storing bottle (4), mistake Filter flask (5), circular filter membrane place ring (22) and filtering flask (5) forms a vertical closed filtration, and circular filter membrane places ring (22) installation of filter membrane is carried out when not being located between water-storing bottle (4) and filtering flask (5), circular filter membrane after filter membrane is installed and is placed ring (22) rotate to the filtration that water sample is carried out between water-storing bottle (4) and filtering flask (5).
Further, filter mounting bracket (1) is by support base plate (2), vertical rack (8) and ring fixator (11) group Into the end of vertical rack (8) is fixedly connected with vertical rack (8), and water-storing bottle (4) is fixed on annulus and fixes by variable-diameter structure On device (11).
Further, water-storing bottle (4) is fixed on ring fixator (11) by variable-diameter structure, and the variable-diameter structure is:Storage , less than the diameter of ring fixator (11), water-storing bottle (4) upper end diameter is more than ring fixator (11) for water bottle (4) lower end diameter Diameter.
Further, support base plate (2) upper surface forms the gradient and is provided with discharge outlet (3) in its edge extreme lower position Water is facilitated to flow out.
Further, rotatable filter membrane placement platform (20) also include center fixed cylinder (10), rotating ring (21) and Many connecting rods (9), every connecting rod (9) one end is mutually fixed with rotating ring (21), every connecting rod (9) other end and circle Filter membrane is placed ring (22) and is mutually fixed, and rotating ring (21) is in center fixed cylinder (10) and around center fixed cylinder (10) rotate, center fixed cylinder (10) is fixed on support base plate (2).
Further, it is annular hollow structure that the circular filter membrane places ring (22), and its outer collarette is enclosed higher than interior.
Further, the water-storing bottle (4) is cylindrical container structure, and its top is provided with the connection sealing plate of annular shape (15), rotatable filter membrane placement platform (20) plays closed effect when combining with water-storing bottle (4);Its underpart is provided with a dewatering outlet (7), dewatering outlet (7) are provided with Draw off valve (17), and water-storing bottle (4) side wall has a water-storing bottle connector (16), each storage Water bottle connector (16) is connected by rubber tube with a level connection joint mouth (12) of cylindrical holder (6) hermetic unit surrounding, is passed through Rubber tube is connected the vertical connector (14) of cylindrical holder (6) hermetic unit bottom with filter pump, multiple level connection joint mouths (12) communicate inside cylindrical holder (6) with vertical connector (14), cylindrical holder (6) is fixed on support base plate (2).
Further, filtering flask (5) is cylindric, hatch frame is up and down and is communicated, and filtering flask (5) is filled by a movement Put the adjustment realized in upright position.
Further, mobile device includes the external slideway of filtering flask (19) and fixed ball, and the external slideway of filtering flask (19) is even It is connected on the side wall of filtering flask (5), the external slideway of filtering flask (19) is enclosed within vertical rack (8) outside, fixed ball was arranged on In the external slideway of filter flask (19), vertical rack (8) differing heights position is provided with multiple fixed card slots (13), fixed ball with it is vertical The fixed card slot (13) of differing heights is engaged so that filtering flask (5) is fixed in differing heights on support (8).
The combined water sample filter has the advantages that:
(1) present invention once can simultaneously filter many bottles of water samples, by rotate filter membrane placement platform be replaceable filter membrane significantly Improve operating efficiency, eliminate it is every filter water sample and be accomplished by dismantling filtering flask carry out water sample collection, change filter membrane work Trouble, and the water sample that the valve of water-storing bottle lower end can be collected after filtering facilitates the collection of water sample.
(2) present invention is in support bottom edge lowest point setting discharge outlet effect:Might have in operation Fraction of current out, or when to water-storing bottle rinse have sewage, and these sewage all can fall on support base plate, can It is unified to collect to be discharged by discharge outlet.
(3) present invention arranges filter pump and is used to extract the air in water-storing bottle out so that water-storing bottle internal pressure diminishes, outside Pressure is atmospheric pressure, can be with the speed of accelerated filtration.
(4) filtering flask of the present invention realizes the adjustment in upright position by mobile device so that the handling of filter membrane will not be received Stop to filtering flask affects, the operation of convenient use personnel.
Description of the drawings
Fig. 1:The filter mounting bracket structural representation of the combined water sample filter of the present invention;
Fig. 2:The water-storing bottle structural representation of the combined water sample filter of the present invention;
Fig. 3:The filtering flask structural representation of the combined water sample filter of the present invention;
Fig. 4:The rotatable filter membrane placement platform structural representation of the combined water sample filter of the present invention;
Fig. 5:The dimensional structure diagram of the combined water sample filter of the present invention.
Description of reference numerals:
1-filter mounting bracket;2-support base plate;3-discharge outlet;4-water-storing bottle;5-filtering flask;6-cylinder Frame;7-dewatering outlet;8-vertical rack;9-connecting rod;10-center fixed cylinder;11-ring fixator;12-level connects Interface;13-fixed card slot;14-vertical connector;15-connection sealing plate;16-water-storing bottle connector;17-discharging valve Door;18-filtering flask sealing plate;The external slideway of 19-filtering flask;20-rotatable filter membrane placement platform;21-rotating ring; 22-circular filter membrane places ring.
Specific embodiment
With reference to Fig. 1 to Fig. 5, the present invention will be further described:
As shown in figure 1, filter mounting bracket 1 is mainly made up of support base plate 2, vertical rack 8 and ring fixator 11, The filter mounting bracket 1 is provided with four vertical racks 8 and four ring fixators 11.The one end of support base plate 2 is provided with a draining Mouth 3, support base plate 2 has slight slope, facilitates water to flow out from discharge outlet 3, the fixed card slot of the top You Liangge positions of vertical rack 8 13, convenient fixed filtering flask 5.There is a cylindrical holder 6 in the center of support base plate 2, cylindrical holder 6 is hollow-core construction, its lower end Be provided with four root posts, top is hermetic unit, hermetic unit be formed around level connection joint mouth 12 and bottom is provided with and vertically connects Interface 14, lower vertical connector 14 is used to connect filter pump.Level connection joint mouth 12 is come round with vertical connector 14.
As shown in Fig. 2 water-storing bottle 4 is cylindrical container structure, bottom is provided with a dewatering outlet 7, is provided with dewatering outlet 7 and discharges water Valve 17, side wall has a water-storing bottle connector 16, and the top of water-storing bottle 4 is opening, there is the connection sealing plate of an annular shape at opening 15, play closed effect in combination.
As shown in figure 3, filtering flask 5 is cylindric, hatch frame is up and down.There is the external slideway of a filtering flask on the wall of bottle side 19, the external slideway 19 of the filtering flask is enclosed within outside vertical rack 8, has a fixation ball in the external slideway 19 of filtering flask, can with it is perpendicular Fixed card slot 13 on straight bracket 8 is mutually fixed.
As shown in figure 4, rotatable filter membrane placement platform 20 includes center fixed cylinder 10, rotating ring 21, the and of connecting rod 9 Four circular filter membranes place ring 22.The one end of connecting rod 9 is mutually fixed with rotating ring 21, and the other end of connecting rod 9 and circular filter membrane are put Put ring 22 mutually to fix.4 connecting rods 9 are provided with the rotatable filter membrane placement platform 20, the circular filter membrane of correspondence four places ring 22. By the rotation of rotating ring 21, circular filter membrane is placed ring 22 and is rotated around center fixed cylinder 10, and circular filter membrane places ring 22 Periphery is slightly higher, and middle lower slightly, centre is hollow, typically using quartz material.Four circular filter membranes place ring 22 and correspond to four Ring fixator 11.
As shown in figure 5, a kind of combined water sample filter, including filter mounting bracket 1, water-storing bottle 4, filtering flask 5 with And rotatable filter membrane placement platform 20.
Four water-storing bottles 4 are separately fixed on four ring fixators 11 during use, there is a circle upper end of water-storing bottle 4 Projection is used to be fixed water-storing bottle 4 and ring fixator 11.The projection with diameter greater than ring fixator 11 Diameter, and the diameter of the lower end cylinder of water-storing bottle 4 less than ring fixator 11 diameter.
Using rubber tube by water-storing bottle connector 16 respectively with the hermetic unit surrounding of cylindrical holder 6 at support base plate center Level connection joint mouth 12 is connected, using rubber tube by the vertical connector 14 of the hermetic unit bottom of cylindrical holder 6 on support base plate 2 It is connected with filter pump.Rotatable filter membrane placement platform 22 is fixed on into the top of cylindrical holder 6 at the center of support base plate 2, The top of cylindrical holder 6 at the center of frame base plate 2 is a bossing, is fixed on the center fixed cylinder of rotatable filter membrane placement platform 22 It is interior.The external slideway 19 of filtering flask is enclosed within vertical rack 8.
The combined water sample filter operation principle of the present invention is as follows:
Before step 1, filtration, filtering flask 5, rotatable filter membrane placement platform 20 and filtering flask 5 are assembled from top to bottom It is good, the open penstock 17 of water-storing bottle 4 is first beaten, rinse water is added in filtering flask 5 respectively to four filtering flasks 5 and four water storages Bottle 4 carries out rinse.
Step 2, cleaning are finished, and close Draw off valve 17.
Step 3, filtering flask 5 is moved up or/and rotated rotatable filter membrane placement platform 20 realize that circular filter membrane is placed It is unobstructed above ring 22, then to place in circular filter membrane and filter membrane is placed on ring 22, the circular filter membrane of rotation places ring 22 up to each Circular filter membrane is placed the upper and lower part of ring 22 and is matched with the space between a filtering flask 5 and a water-storing bottle 4 respectively, by under filtering flask 5 The fixed card slot 13 for moving to lower position is fixed, now filtering flask 5, rotation filter membrane placement platform 22 and the company of completing of water-storing bottle 4 Connect.
Step 4, add in filtering flask 5 water sample, water sample is entered in water-storing bottle 4 after membrane filtration.
Step 5, in order to extract water-storing bottle 4 out in air, water-storing bottle 4 diminished due to internal pressure, and external pressure is air Pressure, can open filter pump with the speed of accelerated filtration, accelerate to filter.
After step 6, filtration terminate, the Draw off valve 17 on four water-storing bottles 4 is opened respectively, collected by experiment container Filtrate.
After step 7, collection are finished, filtering flask 5 is above carried to higher fixed card slot 13 by mobile device being blocked, rotated Circular filter membrane places the replacing filter membrane of ring 22 and carries out the filtration of next group water sample.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that aforesaid way is not received in the realization of the present invention Restriction, it is or not improved by the present invention as long as employing method of the present invention design and the various improvement that carry out of technical scheme Design and technical scheme directly apply to other occasions, within the scope of the present invention.

Claims (8)

1. a kind of combined water sample filter, including filter mounting bracket(1), water-storing bottle(4), filtering flask(5)And can revolve Turn filter membrane placement platform(20), it is characterised in that:Rotatable filter membrane placement platform(20)Ring is placed including multiple circular filter membranes (22), each circular filter membrane placement ring(22)Top is correspondingly provided with a filtering flask(5), lower section is correspondingly provided with a water-storing bottle(4), mistake Filter flask(5), circular filter membrane place ring(22)And filtering flask(5)A vertical closed filtration is formed, circular filter membrane places ring (22)It is not located at water-storing bottle(4)And filtering flask(5)Between when carry out the installation of filter membrane, circular filter membrane after filter membrane is installed and places ring (22)Rotate to water-storing bottle(4)And filtering flask(5)Between carry out the filtration of water sample;The water-storing bottle(4)For cylindrical container knot Structure, its top is provided with the connection sealing plate of annular shape(15), rotatable filter membrane placement platform(20)With water-storing bottle(4)In combination Play closed effect;Its underpart is provided with a dewatering outlet(7), dewatering outlet(7)It is provided with Draw off valve(17), the water-storing bottle(4) Side wall has a water-storing bottle connector(16), each water-storing bottle connector(16)By rubber tube and cylindrical holder(6)Hermetic unit One level connection joint mouth of surrounding(12)It is connected, by rubber tube by cylindrical holder(6)The vertical connector of hermetic unit bottom (14)It is connected with filter pump, multiple level connection joint mouths(12)With vertical connector(14)In cylindrical holder(6)Inside communicates, circle Column holder(6)It is fixed on support base plate(2)On.
2. combined water sample filter according to claim 1, it is characterised in that:Filter mounting bracket(1)By support bottom Plate(2), vertical rack(8)And ring fixator(11)Composition, ring fixator(11)End and vertical rack(8)It is fixed to connect Connect, water-storing bottle(4)Ring fixator is fixed on by variable-diameter structure(11)On.
3. combined water sample filter according to claim 2, it is characterised in that:Water-storing bottle(4)Fixed by variable-diameter structure In ring fixator(11)On, the variable-diameter structure is:Water-storing bottle(4)Lower end diameter is less than ring fixator(11)Diameter, Water-storing bottle(4)Upper end diameter is more than ring fixator(11)Diameter.
4. combined water sample filter according to claim 2, it is characterised in that:Support base plate(2)Upper surface forms the gradient And it is provided with discharge outlet in its edge extreme lower position(3)Water is facilitated to flow out.
5. combined water sample filter according to claim 1, it is characterised in that:Rotatable filter membrane placement platform(20)Also wrap Include center fixed cylinder(10), rotating ring(21)And many connecting rods(9), every connecting rod(9)One end and rotating ring (21)It is mutually fixed, every connecting rod(9)The other end and circular filter membrane place ring(22)It is mutually fixed, rotating ring(21)In being arranged on Heart fixed cylinder(10)Above and around center fixed cylinder(10)Rotate, center fixed cylinder(10)It is fixed on support base plate(2) On.
6. combined water sample filter according to claim 5, it is characterised in that:The circular filter membrane places ring(22)For ring Shape hollow-core construction, its outer collarette is enclosed higher than interior.
7. combined water sample filter according to claim 1, it is characterised in that:Filtering flask(5)For cylindric, it is up and down Hatch frame is simultaneously communicated, filtering flask(5)Adjustment in upright position is realized by a mobile device.
8. combined water sample filter according to claim 7, it is characterised in that:Mobile device includes the external slideway of filtering flask (19)And fixed ball, the external slideway of filtering flask(19)It is connected to filtering flask(5)Side wall on, the external slideway of filtering flask(19) It is enclosed within vertical rack(8)Outside, fixed ball is arranged on the external slideway of filtering flask(19)In, vertical rack(8)Differing heights position Multiple fixed card slots are installed(13), fix ball and vertical rack(8)The fixed card slot of upper differing heights(13)Being engaged makes Obtain filtering flask(5)Fixed in differing heights.
CN201610289545.8A 2016-05-04 2016-05-04 Combined water sample filter Active CN105784454B (en)

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CN109675357B (en) * 2018-11-29 2024-05-31 中国科学院合肥物质科学研究院 Soil filtering device capable of automatically replacing filter paper
CN109569050B (en) * 2018-11-29 2023-10-20 中国科学院合肥物质科学研究院 Automatic change soil filter equipment
CN109520774B (en) * 2018-11-29 2024-03-15 中国科学院合肥物质科学研究院 Filter equipment is with filtrate partial shipment structure
CN111643948A (en) * 2020-06-09 2020-09-11 长江水利委员会长江科学院 Device and method suitable for simultaneously filtering leaching liquor of multiple groups of soil or sediments
CN112945789B (en) * 2021-02-05 2023-02-24 宁波普洛赛斯检测科技有限公司 Detection device and determination method for suspended matters in water

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2042372U (en) * 1988-06-18 1989-08-09 吴彦敏 Small-size water cleaner
US5215663A (en) * 1992-02-11 1993-06-01 Aquatechnology Resource Management, Inc. Easily replaceable rotor membrane pack
CN102091455A (en) * 2010-12-16 2011-06-15 中国科学院高能物理研究所 Automatic continuous filter
CN203030191U (en) * 2013-01-18 2013-07-03 湖北中烟工业有限责任公司 Pilot scale multifunctional membrane separation equipment
CN101629140B (en) * 2008-07-16 2013-08-21 Emd密理博公司 Unit and method for preparing a sample for the microbiological analysis of a liquid
CN103196735B (en) * 2013-04-09 2015-06-10 桂林电子科技大学 Full-automatic filtering device of water sample of in-situ environment water body monitor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205620204U (en) * 2016-05-04 2016-10-05 中国水利水电科学研究院 Combined water sample filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2042372U (en) * 1988-06-18 1989-08-09 吴彦敏 Small-size water cleaner
US5215663A (en) * 1992-02-11 1993-06-01 Aquatechnology Resource Management, Inc. Easily replaceable rotor membrane pack
CN101629140B (en) * 2008-07-16 2013-08-21 Emd密理博公司 Unit and method for preparing a sample for the microbiological analysis of a liquid
CN102091455A (en) * 2010-12-16 2011-06-15 中国科学院高能物理研究所 Automatic continuous filter
CN203030191U (en) * 2013-01-18 2013-07-03 湖北中烟工业有限责任公司 Pilot scale multifunctional membrane separation equipment
CN103196735B (en) * 2013-04-09 2015-06-10 桂林电子科技大学 Full-automatic filtering device of water sample of in-situ environment water body monitor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
水样全自动过滤系统的研究与设计;张大为等;<国外电子测量技术>;20140531;第33卷(第5期);第71-74页 *

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