CN106353168B - For detecting the solid-liquid separating equipment of irradiation aquatic products derivative - Google Patents
For detecting the solid-liquid separating equipment of irradiation aquatic products derivative Download PDFInfo
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- CN106353168B CN106353168B CN201610854345.2A CN201610854345A CN106353168B CN 106353168 B CN106353168 B CN 106353168B CN 201610854345 A CN201610854345 A CN 201610854345A CN 106353168 B CN106353168 B CN 106353168B
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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Abstract
The invention discloses a kind of for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, be intended to provide it is a kind of can effectively solve in vacuum because of the poor sealing between cartridge filter and seal case, and the ambient atmos occurred enter in the airtight cavity vacuumized, the solid-liquid separating equipment for the problem of causing the intracorporal negative pressure of closed chamber insufficient, influencing the filtration treatment of sample extracting solution.It includes seal case, is arranged outside seal case on top surface and places body, be plugged in the intracorporal cartridge filter of housing sleeve, be arranged in the intracorporal adaptive preload sealing mechanism of seal box and cartridge filter jacking mechanism.
Description
Technical field
The present invention relates to irradiation aquatic products derivative detection fields, and in particular to one kind is derivative for detecting irradiation aquatic products
The solid-liquid separating equipment of object.
Background technique
It is directed to increasingly serious irradiation Safety of Aquatic Products problem at present, gradually carries out the derivative analyte detection skill of irradiation aquatic products
Art research studies to the comprehensive of aquatic products quality and systematically the monitoring and irradiation of irradiation aquatic products, promotes aquatic products peace
Full control, to guarantee the quality safety of aquatic products.In the derivative analyte detection of irradiation aquatic products, after the sample pre-treatments of aquatic products
Resulting sample extracting solution needs are filtered processing, and the liquid after filtration treatment just can be carried out instrument analysis.
Negative pressure filtration mode is the aquatic products sample extracting solution pretreatment in current irradiation aquatic products derivative detection process
A kind of mode used when filtering.Current this kind of negative pressure filtration device generally includes aspiration pump, closed case and cartridge filter, and
The placement through-hole communicated with the inner cavity of closed case is set on the top surface of closed case, and what cartridge filter can be taken off is plugged in placement
In through-hole, and the bottom surface of cartridge filter is equipped with filter membrane interlayer.Sample extracting solution is injected in cartridge filter in practical work process,
And vacuumized by inner cavity of the aspiration pump to seal case, so that the sample extracting solution in cartridge filter is made to penetrate filter membrane,
Obtain fluid sample to be checked.This kind of negative pressure filtration device during vacuumizing, in order to avoid place through-hole and cartridge filter it
Between generate gas leakage, it is common practice to sealing ring directly is set between through-hole and cartridge filter placing；But this sealing means
Sealing effect is often bad, in the vacuum of seal case inner cavity, as the negative pressure of seal case inner cavity increases, often holds
Leakage problem easily is generated between placement through-hole and cartridge filter, causes ambient atmos to enter seal case inner cavity, influences sample and mention
Take the filtration treatment of liquid.On the other hand, in actual use, since cartridge filter needs often to take out cleaning and dress sample, make
The sealing ring between through-hole and cartridge filter must be placed to be easy to loosen, generate gap, this also results in extraneous in vacuum
The problem of gas enters seal case inner cavity, influences the filtration treatment of sample extracting solution.
Summary of the invention
It can effectively solve vacuumizing the purpose of the present invention is to overcome the shortcomings in the prior art and to provide one kind
In the process because of the poor sealing between cartridge filter and seal case, and the ambient atmos occurred enter the airtight cavity vacuumized
It is interior, the problem of causing the intracorporal negative pressure of closed chamber insufficient, influencing the filtration treatment of sample extracting solution for detecting irradiation aquatic products
The solid-liquid separating equipment of product derivative.
The technical scheme is that
It is a kind of for detect irradiation aquatic products derivative solid-liquid separating equipment include seal case, be arranged in seal case
Body is placed on outer top surface, is plugged in the intracorporal cartridge filter of housing sleeve, is arranged in the intracorporal adaptive preload sealer of seal box
Structure and cartridge filter jacking mechanism, the medial surface of the inner cavity of the seal case are equipped with communicate with seal case lateral surface first
Interface, the axis vertical setting for placing body, places the upper and lower ends opening of body, place body lower part be it is interior without leave
It is upper and under the conical sleeve that is gradually reduced, the lower ending opening for placing body communicates with the inner cavity of seal case, the conical sleeve it is interior
Side is equipped with the first sealing ring；The cartridge filter successively includes upper cylinder, middle tapered sleeve and lower cylinder, the upper circle from top to bottom
The internal diameter of cylinder is greater than the internal diameter of lower cylinder, and the lateral surface of the upper cylinder is equipped with the second sealing ring, and the lower cylinder is interior from upper
It is successively arranged filter membrane interlayer, first partition and second partition under and, on the lower cylinder and is located at filter membrane interlayer and first
It is equipped between partition and picks and places mouth；The adaptive preload sealing mechanism includes the vertical cylinder being arranged on the inner bottom surface of seal case
Body is arranged on the intracorporal piston body of vertical cylinder and piston rod, the vertical cylinder body medial surface and is equipped with above piston body
Upper limit position block, the lateral surface of vertical cylinder body is equipped with second interface and balance through-hole, and second interface is located above upper limit position block,
Balance through-hole is located at below piston body, is tightly connected between the second interface and first interface by first pipe, the work
Reset spring is equipped between cock body and vertical cylinder body inner bottom surface, the upper end of the piston rod is equipped with the connecting rod radially extended, institute
It states second partition and crosses mouth equipped with piston rod, piston rod crosses the surface that mouth is located at piston rod, and the edge that piston rod crosses mouth is equipped with
Connecting rod corresponding with connecting rod crosses mouth；The cartridge filter jacking mechanism include be arranged in it is intracavitary vertical in closed case
Guide rod is slidably arranged in the jacking plate on vertical guide rod along vertical guide rod, is arranged on vertical guide rod lateral surface and is located at top
Block below peaceful plate and the compressed spring for being set in vertical guide rod and being located between jacking plate and block, the jacking are flat
Plate is equipped with lower cylinder and crosses mouth, and the lateral surface of the lower cylinder is equipped with cylinder limited block.
The solid-liquid separating equipment for detecting irradiation aquatic products derivative of this programme, which can not only take out cartridge filter, to be filled
Sample or cleaning, and can effectively solve, because of the poor sealing between cartridge filter and seal case, and occurring in vacuum
Ambient atmos enter in the airtight cavity that vacuumizes, cause the intracorporal negative pressure of closed chamber insufficient, influence the mistake of sample extracting solution
The problem of filter processing.
Preferably, further including vaccum-pumping equipment, the seal case lateral surface is equipped with to be connected with seal case inner cavity
Logical negative-pressure ward mouth is tightly connected between vaccum-pumping equipment and negative-pressure ward mouth by second pipe.
Preferably, be additionally provided with conical hopper in lower cylinder, conical hopper between filter membrane interlayer and first partition,
The medial surface of the top edge of conical hopper and lower cylinder is tightly connected, the pick-and-places mouth be located at conical hopper and first partition it
Between.
Preferably, being additionally provided with the filtrate storage container of upper end opening, the upper end of filtrate storage container in first partition
Opening.
Preferably, on vertical cylinder body medial surface and being located at below piston body equipped with lower position block, the balance through-hole position
In the lower section of lower position block.
Preferably, seal case lateral surface is equipped with the third interface being connected with the inner cavity of seal case, and third
Interface is equipped with controlled valve.
Preferably, it is circular hole that lower cylinder, which crosses mouth, the axis that lower cylinder crosses mouth is overlapped with the axis for placing body, lower cylinder
The internal diameter for crossing mouth is greater than the outer diameter of lower cylinder.
Preferably, the vertical upper end of guide rod is connected with the inner top surface of closed case.
Preferably, jacking flatbed horizontal setting.
Preferably, jacking plate is equipped with the guide sleeve cooperated with vertical guide rod.
The beneficial effects of the present invention are: not only cartridge filter can be taken out dress sample or cleaning, but also can effectively solve taking out
Because of the poor sealing between cartridge filter and seal case in vacuum process, and the ambient atmos occurred enter the closed chamber vacuumized
In vivo, the problem of causing the intracorporal negative pressure of closed chamber insufficient, influencing the filtration treatment of sample extracting solution.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the solid-liquid separating equipment for detecting irradiation aquatic products derivative of the invention.
Fig. 2 is the schematic diagram of the section structure in Fig. 1 at A-A.
In figure: seal case 1, third interface 11, controlled valve 12, negative-pressure ward mouth 13, first interface 14, first pipe
15, place body 2, conical sleeve 21, the first sealing ring 22, cartridge filter 3, upper cylinder 31, the second sealing ring 32, middle tapered sleeve 33, mistake
Filter membrane interlayer 34, lower cylinder 35, conical hopper 36, pick and place mouth 37, first partition 38, second partition 39, piston rod cross mouth 310,
Connecting rod crosses mouth 311, and filtrate storage container 4 is adaptive to pre-tighten sealing mechanism 5, vertical cylinder body 51, piston rod 52, upper limit position block
53, piston body 54, reset spring 55, lower position block 56, balance through-hole 57, connecting rod 58, second interface 59, cartridge filter jack up machine
Structure 6, cylinder limited block 61, vertical guide rod 62, jacking plate 63, compressed spring 64, block 65.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, it is a kind of for detect irradiation aquatic products derivative solid-liquid separating equipment include vaccum-pumping equipment, it is close
Joint sealing body 1, the negative-pressure ward mouth 13 being arranged on seal case lateral surface, be arranged outside seal case on top surface and and seal box
The placement body 2 of body sealed connection is plugged in the intracorporal cartridge filter 3 of housing sleeve, is arranged in the intracorporal adaptive preload of seal box
Sealing mechanism 5 and cartridge filter jacking mechanism 6.Negative-pressure ward mouth is connected with the inner cavity of seal case.The present embodiment vacuumizes
Equipment is aspiration pump.It is tightly connected between vaccum-pumping equipment and negative-pressure ward mouth by second pipe.
The medial surface of the inner cavity of seal case is equipped with the first interface 14 communicated with seal case lateral surface.Seal case
Lateral surface is equipped with the third interface 11 being connected with the inner cavity of seal case, and third interface is equipped with controlled valve 12.This
The controlled valve of embodiment is manual switch valve or electromagnetic switch valve.
Place the axis vertical setting of body.Place the upper and lower ends opening of body.The upper end opening for placing body is located at
The top of the outer top surface of seal case.The lower ending opening of placement body is located at the lower section of the outer top surface of seal case.Place body
Lateral surface and seal case top surface be tightly connected.Place the conical sleeve that the lower part of body is gradually reduced from top to bottom for internal diameter
21.The lower ending opening for placing body is communicated with the inner cavity of seal case.The medial surface of conical sleeve is equipped with the first sealing ring 22.Circle
The medial surface of tapered sleeve is equipped with annular mounting groove, and the first sealing ring is arranged in interior annular mounting groove.
Cartridge filter successively includes upper cylinder 31, middle tapered sleeve 33 and lower cylinder 35 from top to bottom.The outer diameter of upper cylinder, which is less than, to be put
Set the internal diameter of body.The internal diameter of upper cylinder is greater than the internal diameter of lower cylinder.The internal diameter of middle tapered sleeve is gradually reduced from top to bottom.Conical sleeve
Medial surface taper it is identical as the taper of the lateral surface of middle tapered sleeve.The lateral surface of upper cylinder is equipped with the second sealing ring 32.The
Two sealing rings are located at upper cylinder and place between body.First sealing ring is between conical sleeve and middle tapered sleeve.
Filter membrane interlayer 34, first partition 38 and second partition 39 are successively arranged in lower cylinder from top to bottom.Second partition
Positioned at the lower end of lower cylinder.Filter membrane interlayer is close to the upper end of lower cylinder.Conical hopper 36, conical hopper are additionally provided in lower cylinder
Between filter membrane interlayer and first partition.The medial surface of the top edge of conical hopper and lower cylinder is tightly connected.Lower cylinder
The pick-and-place mouth 37 being equipped between filter membrane interlayer and first partition through the inside and outside side of lower cylinder is gone up and is located at, the present embodiment
Mouth is picked and placed between conical hopper and first partition.The filtrate storage container 4 of upper end opening is additionally provided in first partition.Filter
The upper end opening of liquid storage container.Filtrate storage container can be introduced/taken out by pick-and-place mouth.
The adaptive sealing mechanism that pre-tightens includes the vertical cylinder body 51 being arranged on the inner bottom surface of seal case, is arranged vertical
The intracorporal piston body 54 of cylinder and piston rod 52, and the upper end of piston rod is located at the top of vertical cylinder body.The lower end of piston rod and work
Cock body is connected.Piston rod is vertically arranged.On vertical cylinder body medial surface and it is located above piston body equipped with upper limit position block 53.Vertically
On cylinder body medial surface and it is located at below piston body equipped with lower position block 56.The lateral surface of vertical cylinder body is equipped with to be connected with vertical cylinder body
Logical second interface 59 and balance through-hole 57.Second interface is located above upper limit position block.Lead between second interface and first interface
The sealed connection of first pipe 15 is crossed, first pipe is located in seal case.Balance through-hole is located at below piston body, the present embodiment
Balance through-hole is located at the lower section of lower position block.Reset spring 55 is equipped between piston body and vertical cylinder body inner bottom surface.
As shown in Figure 1 and Figure 2, the upper end of piston rod is equipped with the connecting rod 58 radially extended.Second partition is equipped with piston rod
Cross mouth 310.It is circular hole that piston rod, which crosses mouth, and the internal diameter that piston rod crosses mouth is greater than the outer diameter of piston rod.Piston rod crosses mouth and is located at piston
The surface of bar.The edge that piston rod crosses mouth is equipped with connecting rod corresponding with connecting rod and crosses mouth 311.
Cartridge filter jacking mechanism includes that vertical guide rod 62 intracavitary in closed case is arranged in, sets along the sliding of vertical guide rod
Set the jacking plate 63 on vertical guide rod, be arranged on vertical guide rod lateral surface and be located at jacking plate below block 65 and
The compressed spring 64 for being set in vertical guide rod and being located between jacking plate and block.The upper end of vertical guide rod and closed case
Inner top surface is connected.Jack flatbed horizontal setting.Jacking plate is equipped with the guide sleeve cooperated with vertical guide rod.Compressed spring it is upper
End is resisted against on jacking plate, and lower end is resisted against on block.Jacking plate is equipped with lower cylinder and crosses mouth.Lower cylinder crosses mouth as circle
Hole, the axis that lower cylinder crosses mouth are overlapped with the axis for placing body, and the internal diameter that lower cylinder crosses mouth is greater than the outer diameter of lower cylinder.Lower circle
The lateral surface of cylinder is equipped with cylinder limited block 61, and cylinder limited block is located at the top for picking and placing mouth.
The present embodiment is used to detect the specifically used as follows of the solid-liquid separating equipment for irradiating aquatic products derivative:
First, cartridge filter is inserted into and places body, the lower end of the lower cylinder of cartridge filter passes through lower cylinder in this process
Mouth is crossed, cylinder limited block is resisted against on jacking plate, and jacking plate is pushed；Then, connecting rod passes through corresponding connecting rod mistake
Mouth and the top for being located at second partition；Then, cartridge filter is rotated by 90 °, so that connecting rod is crossed mouth with connecting rod and is staggered, such as Fig. 2
It is shown.
Second, sample extracting solution to be filtered is placed in cartridge filter, and controlled valve is closed.
Third is opened vaccum-pumping equipment and is vacuumized to the inner cavity of seal case；
During vacuumizing: due to the vertical inner chamber of cylinder block above piston body by first interface, first pipe and
Second interface is connected to outside air, and the vertical inner chamber of cylinder block below piston body by balance through-hole and seal case it is interior
Chamber connection, thus the air pressure of the vertical inner chamber of cylinder block in vacuum below piston body reduces, and makes piston body band piston
Bar moves down, and by connecting rod by the past drop-down of entire cartridge filter, so that it is pressed on the lateral surface of middle tapered sleeve on the first sealing ring,
And as the negative pressure of seal case inner cavity increases, the pressure that middle tapered sleeve is pressed on the first sealing ring is also bigger, and then guarantees
The reliable sealed connection for being tightly connected, guaranteeing to place between body and cartridge filter is formed between middle tapered sleeve and conical sleeve, can be had
Effect is solved because of the poor sealing between cartridge filter and seal case, and to enter pumping true for the ambient atmos occurred in vacuum
In empty airtight cavity, the problem of causing the intracorporal negative pressure of closed chamber insufficient, influence the filtration treatment of sample extracting solution.
Meanwhile during vacuumizing, the sample extracting solution to be filtered in cartridge filter penetrates filter membrane interlayer, cocurrent
Enter in filtrate storage container.
4th, after the completion of the sample extracting solution filtering to be filtered in cylinder to be filtered, vaccum-pumping equipment is closed, and opens
Controlled valve, so that piston body be made to move up reset under the action of reset spring；Then, cartridge filter is rotated by 90 °, makes to connect
Bar and connecting rod cross mouth to just；Followed by, under the action of compressed spring, jacking plate cartridge filter is jacked up, make cartridge filter with
The separation of first sealing ring, facilitates operator to remove cartridge filter；Finally, filtrate storage container by cartridge filter and thereon together by
It places and is removed on body.
Claims (9)
1. a kind of for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that exist including seal case, setting
Place that body, to be plugged in the intracorporal cartridge filter of housing sleeve, setting intracorporal adaptive pre- in seal box on the outer top surface of seal case
The medial surface of close sealing mechanism and cartridge filter jacking mechanism, the inner cavity of the seal case is equipped with and seal case lateral surface phase
Logical first interface,
The axis vertical setting for placing body, places the upper and lower ends opening of body, place body lower part be it is interior without leave
It is upper and under the conical sleeve that is gradually reduced, the lower ending opening for placing body communicates with the inner cavity of seal case, the conical sleeve it is interior
Side is equipped with the first sealing ring；
The cartridge filter successively includes upper cylinder, middle tapered sleeve and lower cylinder from top to bottom, and the internal diameter of the upper cylinder is greater than lower circle
The internal diameter of cylinder, the lateral surface of the upper cylinder are equipped with the second sealing ring, are successively arranged filtering from top to bottom in the lower cylinder
Film interlayer, first partition and second partition are equipped on the lower cylinder and between filter membrane interlayer and first partition and pick and place
Mouthful；
The adaptive preload sealing mechanism includes the vertical cylinder body being arranged on the inner bottom surface of seal case, is arranged in vertical cylinder
Intracorporal piston body and piston rod on the vertical cylinder body medial surface and are located above piston body and are equipped with upper limit position block, vertical cylinder
The lateral surface of body is equipped with second interface and balance through-hole, and second interface is located above upper limit position block, and balance through-hole, which is located at, lives
It below cock body, is tightly connected between the second interface and first interface by first pipe, the piston body and vertical cylinder body
Reset spring is equipped between inner bottom surface, the upper end of the piston rod is equipped with the connecting rod radially extended, sets on the second partition
There is piston rod to cross mouth, piston rod crosses the surface that mouth is located at piston rod, and the edge that piston rod crosses mouth is equipped with corresponding with connecting rod
Connecting rod cross mouth；
The cartridge filter jacking mechanism includes that vertical guide rod intracavitary in closed case is arranged in, slides setting along vertical guide rod
It jacking plate on vertical guide rod, the block for being arranged on vertical guide rod lateral surface and being located at below jacking plate and is set in
Vertical guide rod and the compressed spring being located between jacking plate and block, the jacking plate is equipped with lower cylinder and crosses mouth, described
The lateral surface of lower cylinder is equipped with cylinder limited block；
It further include vaccum-pumping equipment, the seal case lateral surface is equipped with the negative-pressure ward being connected with seal case inner cavity
Mouthful, it is tightly connected between vaccum-pumping equipment and negative-pressure ward mouth by second pipe.
2. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
Conical hopper is additionally provided in lower cylinder, conical hopper is between filter membrane interlayer and first partition, the top edge of conical hopper
It is tightly connected with the medial surface of lower cylinder, the pick-and-place mouth is between conical hopper and first partition.
3. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
The filtrate storage container of upper end opening is additionally provided in first partition.
4. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
On vertical cylinder body medial surface and it is located at below piston body equipped with lower position block, the balance through-hole is located at the lower section of lower position block.
5. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
Seal case lateral surface is equipped with the third interface being connected with the inner cavity of seal case, and third interface is equipped with switch valve
Door.
6. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
It is circular hole that lower cylinder, which crosses mouth, and the axis that lower cylinder crosses mouth is overlapped with the axis for placing body, under the internal diameter that lower cylinder crosses mouth is greater than
The outer diameter of cylinder.
7. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
The vertical upper end of guide rod is connected with the inner top surface of closed case.
8. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
Jack flatbed horizontal setting.
9. according to claim 1 for detecting the solid-liquid separating equipment of irradiation aquatic products derivative, characterized in that described
Jacking plate is equipped with the guide sleeve cooperated with vertical guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854345.2A CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854345.2A CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
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| CN106353168A CN106353168A (en) | 2017-01-25 |
| CN106353168B true CN106353168B (en) | 2019-01-25 |
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| CN201610854345.2A Active CN106353168B (en) | 2016-09-27 | 2016-09-27 | For detecting the solid-liquid separating equipment of irradiation aquatic products derivative |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106834085B (en) * | 2017-02-08 | 2018-12-07 | 浙江省海洋水产研究所 | Equipment is used in a kind of extraction of Fish protein |
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| CN204116121U (en) * | 2014-09-05 | 2015-01-21 | 浙江省海洋水产研究所 | A kind of water sample pretreatment device |
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| CN105158048A (en) * | 2015-08-18 | 2015-12-16 | 浙江省海洋水产研究所 | Suction type solid-liquid separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BRMU9100195Y1 (en) * | 2011-02-15 | 2018-06-05 | Universidade Estadual De Campinas - Unicamp | "MANIFOLD" DEVICE FOR SOLID PHASE EXTRACTION WITH INDIVIDUALIZED CHAMES AND VALVES TO CONTROL, BY PERISTALTIC PUMP AND / OR TOTAL VACUUM, THE ELUTE |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204116121U (en) * | 2014-09-05 | 2015-01-21 | 浙江省海洋水产研究所 | A kind of water sample pretreatment device |
| CN105148577A (en) * | 2015-07-01 | 2015-12-16 | 浙江省海洋水产研究所 | Negative pressure suction type filter for aquatic product detection |
| CN204855200U (en) * | 2015-07-16 | 2015-12-09 | 中国水产科学研究院南海水产研究所 | Portable manual suction filtration system |
| CN105092354A (en) * | 2015-07-29 | 2015-11-25 | 浙江省海洋水产研究所 | High-flux preprocessor for medicinal residue extraction |
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