CN108031369A - A kind of multi-faceted concussion equipment of test tube for food inspection - Google Patents
A kind of multi-faceted concussion equipment of test tube for food inspection Download PDFInfo
- Publication number
- CN108031369A CN108031369A CN201711287344.5A CN201711287344A CN108031369A CN 108031369 A CN108031369 A CN 108031369A CN 201711287344 A CN201711287344 A CN 201711287344A CN 108031369 A CN108031369 A CN 108031369A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- installing plate
- concussion
- test tube
- faceted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/20—Mixing the contents of independent containers, e.g. test tubes
- B01F31/27—Mixing the contents of independent containers, e.g. test tubes the vibrations being caused by electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/20—Mixing the contents of independent containers, e.g. test tubes
- B01F31/201—Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/20—Mixing the contents of independent containers, e.g. test tubes
- B01F31/25—Mixing the contents of independent containers, e.g. test tubes the containers being submitted to a combination of movements other than within a horizontal plane, e.g. rectilinear and pivoting movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/20—Mixing the contents of independent containers, e.g. test tubes
- B01F31/265—Mixing the contents of independent containers, e.g. test tubes the vibrations being caused by an unbalanced rotating member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/70—Drives therefor, e.g. crank mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of multi-faceted concussion equipment of test tube for food inspection, including base, symmetrically two pieces of support plates are fixedly connected with the upside of base, the support plate top offers through hole, mobile bar is provided with through hole, the first installing plate is fixedly connected with jointly between two mobile bars, some holding holes are uniformly provided with first installing plate, vertical bar is fixedly connected with the downside of the mobile bar, the second installing plate is fixedly connected with jointly between two vertical bars, some mounting holes are uniformly provided with second installing plate, rubber pad is provided with mounting hole, the 3rd installing plate is provided with below the mounting hole.The magnetism identical with magnetic pole is produced the beneficial effects of the invention are as follows electromagnet, magnetic pole is repelled, magnetic pole is enabled to drive concussion column to rise, when the electric current being passed through changes, repulsive force between electromagnet and magnetic pole is also with changing, it can then test tube is shaken up and down, can sufficiently be reacted.
Description
Technical field
The present invention relates to technical field of food detection, and in particular to a kind of multi-faceted concussion of test tube for food inspection is set
It is standby.
Background technology
The Food Inspection of broad sense refers to study and evaluates food quality and its a subject of change, it according to physics, change
, biochemical basic theories and various technologies, according to the technical standard of formulation, such as international, state food health/peace
Full standard, tests the quality of raw-food material, auxiliary material, semi-finished product, finished product and byproduct, to ensure that product quality is closed
Lattice.The content of Food Inspection is included to the organoleptic detection of food, detection of nutritional ingredient, additive, harmful substance etc. in food.
Food Inspection content very abundant, including food nutrient composition analysis, the analysis of pollutants in food matter, food auxiliary
Material and food additives analysis, food naked eyes evaluation etc..The Food Inspection of narrow sense typically refers to Food Inspection mechanism foundation《In
Magnificent people's republic's food hygiene law》Defined sanitary standard, the inspection carried out to food quality, including the outsourcing to food
The inspection that dress, inner packing, mark, characteristic, physical and chemical index and some other sanitary index of shipping mark and body of commodity appearance are carried out
Test.Detecting method mainly has sense organ method of inspection and physical and chemical inspection method.
Generally carried out when carrying out Food Inspection using chemical method, when carrying out chemical analysis usually can use arrive
Test tube, fills inspection thing in test tube, it is sometimes desirable to concussion processing is carried out to test tube, to guarantee sufficiently to be reacted.Mesh
Preceding test tube oscillator structure is complex and cost is very high.
The content of the invention
It is an object of the invention to provide a kind of multi-faceted concussion equipment of test tube for food inspection, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical solution:
A kind of multi-faceted concussion equipment of test tube for food inspection, including base, base upside are symmetrically fixedly connected with two pieces
Support plate, the support plate top offer through hole, are provided with mobile bar in through hole, common between two mobile bars fixed to connect
The first installing plate is connected to, some holding holes are uniformly provided with the first installing plate, it is vertical to be fixedly connected with the downside of the mobile bar
Bar, is fixedly connected with the second installing plate between two vertical bars, some mounting holes is uniformly provided with the second installing plate jointly, pacifies
Dress is provided with rubber pad in hole, is provided with the 3rd installing plate below the mounting hole, the 3rd installing plate both sides by fixed link with
Be fixedly connected on the downside of second installing plate, be provided with rocking equipment up and down on the 3rd installing plate, on the upside of upper and lower rocking equipment with
Rubber pad is connected, and the rocking equipment up and down includes support column, and support column is installed on the 3rd installing plate, on the support column
Offer the groove of opening up setting, bottom is fixedly connected with electromagnet in groove, is set in the groove above the electromagnet
Magnetic pole is equipped with, concussion column is fixedly connected with the upside of magnetic pole, the concussion top end on the downside of rubber pad with being fixedly connected;The shifting on right side
Left and right rocking equipment is provided with lever, the left and right rocking equipment includes first level plate and the second level board, first level
Plate is fixedly connected at the top of support plate, and the second level board is fixed on support plate side wall, the first level plate and second
Be rotatably connected to bent axle between level board, bent axle includes trunnion, crank and rod journal, rod journal both ends by crank with
Trunnion is connected, and trunnion is rotatablely connected with first level plate and the second level board respectively, the trunnion and motor of lower section
Output shaft is fixedly connected;Sleeve is provided with the rod journal, rotating bar is fixedly connected with the left of sleeve;The mobile bar is right
End is fixedly connected with contiguous block, U-shaped straight slot is offered on contiguous block, rotating bar left end is located in U-shaped straight slot, and rotating bar passes through
Axis pin is rotatablely connected with contiguous block.
It is as further scheme of the invention:The center line of the holding holes and the center line of mounting hole coincide.
As the present invention, further scheme is:Bottom is in arc-shaped in the rubber pad.
As the present invention, further scheme is:Two first guiding are symmetrically offered on the mounting hole madial wall
Groove, is provided with the first guide rod in the first guide groove, the first guide rod other end is fixedly connected with rubber pad lateral wall.
As the present invention, further scheme is:Two the second guide grooves are symmetrically offered on the groove madial wall,
The second guide rod is provided with second guide groove, the second guide rod other end is fixedly connected with concussion column side wall.
As the present invention, further scheme is:It is spacing that first is fixedly connected with the rod journal at the sleeve both ends
Baffle.
As the present invention, further scheme is:The mobile bar left end of left part is fixedly connected with the second postive stop baffle.
The magnetism identical with magnetic pole is produced the beneficial effects of the invention are as follows electromagnet, magnetic pole is repelled so that magnetic pole
Concussion column can be driven to rise, when the electric current being passed through changes, the repulsive force between electromagnet and magnetic pole is also with generation
Change, then test tube can be enable to shake up and down, can sufficiently be reacted;Bent axle band moving sleeve rotates, and sleeve leads to
Rotating bar is crossed to drive contiguous block to move, contiguous block is so as to drive mobile bar to move back and forth, it is achieved thereby that the left and right shake of test tube
Swing, realize the abundant progress of reaction.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the structure diagram of rocking equipment above and below the present invention;
Fig. 3 is the structure diagram of left and right rocking equipment of the present invention;
Fig. 4 is the structure diagram of contiguous block of the present invention.
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.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1-Fig. 4, in the embodiment of the present invention, a kind of multi-faceted concussion equipment of test tube for food inspection, bag
Base 1 is included, the upside of base 1 is symmetrically fixedly connected with two pieces of support plates 2, and 2 top of support plate offers through hole 3, through hole 3
Mobile bar 4 is inside provided with, the first installing plate 6 is fixedly connected between two mobile bars 4 jointly, is uniformly opened on the first installing plate 6
Equipped with some holding holes 7, the downside of mobile bar 4 is fixedly connected with vertical bar 8, is fixedly connected jointly between two vertical bars 8
There is the second installing plate 9, some mounting holes 10 are uniformly provided with the second installing plate 9, rubber pad 11, institute are provided with mounting hole 10
State the lower section of mounting hole 10 and be provided with the 3rd installing plate 15,15 both sides of the 3rd installing plate pass through under 14 and second installing plate 9 of fixed link
Side is fixedly connected, and rocking equipment 16 up and down, the upper and lower upside of rocking equipment 16 and rubber pad are provided with the 3rd installing plate 15
11 are connected, and the rocking equipment 16 up and down includes support column 161, and support column 161 is installed on the 3rd installing plate 15, the branch
The groove 162 of opening up setting is offered on dagger 161, bottom is fixedly connected with electromagnet 163, the electricity in groove 162
Magnetic pole 164 is provided with the groove 162 of the top of magnet 163, the upside of magnetic pole 164 is fixedly connected with concussion column 165, the concussion column
165 tops are fixedly connected with the downside of rubber pad 11, test tube are passed through from holding holes 7, then test tube bottom is located at rubber pad 11
It is interior, electric current is passed through to electromagnet 163, electromagnet 163 produces the magnetism identical with magnetic pole 163, magnetic pole 164 is repelled, is made
Obtaining magnetic pole 164 can drive concussion column 165 to rise, when the electric current being passed through changes, between electromagnet 163 and magnetic pole 164
Repulsive force also with changing, then test tube can be enable to shake up and down, can sufficiently be reacted;
Two the second guide grooves 166 are symmetrically offered on 162 madial wall of groove, second is provided with the second guide groove 166
Guide rod 167,167 other end of the second guide rod are fixedly connected with 165 side wall of concussion column.
Left and right rocking equipment 17 is provided with the mobile bar 4 on right side, the left and right rocking equipment 17 includes first level plate
171 and second level board 172, first level plate 171 be fixedly connected on the top of support plate 2, the second level board 172 is fixed at
On 2 side wall of support plate, bent axle 173 is rotatably connected between 171 and second level board 172 of first level plate, bent axle 173 wraps
Trunnion 1731, crank 1732 and rod journal 1733 are included, 1733 both ends of rod journal pass through crank 1732 and trunnion 1731
It is connected, and trunnion 1731 is rotatablely connected with 171 and second level board 172 of first level plate respectively, the trunnion of lower section
1731 are fixedly connected with 177 output shaft of motor;Sleeve 174 is provided with the rod journal 1733, the left side of sleeve 174 is fixed to be connected
It is connected to rotating bar 176;4 right end of mobile bar is fixedly connected with contiguous block 178, and U-shaped straight slot 179 is offered on contiguous block 178,
176 left end of rotating bar is located in U-shaped straight slot 179, and rotating bar 176 is rotatablely connected by axis pin 1710 and contiguous block 178, when need
When wanting test tube or so concussion, start motor 17, motor 177 is rotated with dynamic crankshaft 173, and bent axle 173 is rotated with moving sleeve 174, set
Cylinder 174 drives contiguous block 178 to move by rotating bar 176, and contiguous block 178 is so as to drive mobile bar 4 to move back and forth, so that real
Show the left and right concussion of test tube, realize the abundant progress of reaction.
The center line of the center line and mounting hole 10 of the holding holes 7 coincides.
Bottom is in arc-shaped in the rubber pad 11.
Two the first guide grooves 12 are symmetrically offered on 10 madial wall of mounting hole, is provided with the first guide groove 12
One guide rod 13,13 other end of the first guide rod are fixedly connected with 11 lateral wall of rubber pad.
The first postive stop baffle 175 is fixedly connected with the rod journal 1733 at 174 both ends of sleeve, prevents sleeve 174
Move left and right.
4 left end of mobile bar of left part is fixedly connected with the second postive stop baffle 5.
The present invention the course of work be:Test tube is passed through from holding holes 7, then test tube bottom is located in rubber pad 11,
Electric current is passed through to electromagnet 163, electromagnet 163 produces the magnetism identical with magnetic pole 163, magnetic pole 164 repelled so that magnetic
Pole 164 can drive concussion column 165 to rise, when the electric current being passed through changes, the row between electromagnet 163 and magnetic pole 164
Repulsion can then enable test tube to shake up and down also with changing, and can sufficiently be reacted;When needing test tube
When left and right is shaken, start motor 17, motor 177 is rotated with dynamic crankshaft 173, and bent axle 173 is rotated with moving sleeve 174, and sleeve 174 is logical
Rotating bar 176 is crossed to drive contiguous block 178 to move, contiguous block 178 is so as to drive mobile bar 4 to move back and forth, it is achieved thereby that examination
The left and right concussion of pipe, realizes the abundant progress of reaction.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of multi-faceted concussion equipment of test tube for food inspection, including base, base upside is symmetrically fixedly connected with two
Block support plate, it is characterised in that the support plate top offers through hole, and mobile bar, two mobile bars are provided with through hole
Between be fixedly connected with the first installing plate jointly, some holding holes are uniformly provided with the first installing plate, on the downside of the mobile bar
Vertical bar is fixedly connected with, the second installing plate is fixedly connected between two vertical bars jointly, is uniformly opened up on the second installing plate
There are some mounting holes, rubber pad is provided with mounting hole, the 3rd installing plate, the 3rd installing plate two are provided with below the mounting hole
Side, with being fixedly connected on the downside of the second installing plate, is provided with rocking equipment up and down, up and down by fixed link on the 3rd installing plate
It is connected on the upside of rocking equipment with rubber pad, the rocking equipment up and down includes support column, and support column is installed on the 3rd installing plate
On, the groove of opening up setting is offered on the support column, bottom is fixedly connected with electromagnet, the electromagnet in groove
Magnetic pole is provided with the groove of top, concussion column is fixedly connected with the upside of magnetic pole, the concussion top end and rubber pad downside are solid
Fixed connection;Left and right rocking equipment is provided with the mobile bar on right side, the left and right rocking equipment includes first level plate and second
Level board, first level plate are fixedly connected at the top of support plate, and the second level board is fixed on support plate side wall, and described the
Bent axle is rotatably connected between one level board and the second level board, bent axle includes trunnion, crank and rod journal, rod journal
Both ends are connected by crank with trunnion, and trunnion is rotatablely connected with first level plate and the second level board respectively, lower section
Trunnion be fixedly connected with motor output shaft;Sleeve is provided with the rod journal, rotation is fixedly connected with the left of sleeve
Bar;The mobile bar right end is fixedly connected with contiguous block, and U-shaped straight slot is offered on contiguous block, and rotating bar left end is located at U-shaped straight slot
It is interior, and rotating bar is rotatablely connected by axis pin and contiguous block.
2. the multi-faceted concussion equipment of a kind of test tube for food inspection according to claim 1, it is characterised in that described
The center line of holding holes and the center line of mounting hole coincide.
A kind of 3. multi-faceted concussion equipment of test tube for food inspection according to claim 1 or 2, it is characterised in that
Bottom is in arc-shaped in the rubber pad.
4. the multi-faceted concussion equipment of a kind of test tube for food inspection according to claim 2, it is characterised in that described
Two the first guide grooves are symmetrically offered on mounting hole madial wall, the first guide rod is provided with the first guide groove, first is oriented to
The bar other end is fixedly connected with rubber pad lateral wall.
5. the multi-faceted concussion equipment of a kind of test tube for food inspection according to claim 1, it is characterised in that described
Two the second guide grooves are symmetrically offered on groove madial wall, the second guide rod, the second guide rod are provided with the second guide groove
The other end is fixedly connected with concussion column side wall.
6. the multi-faceted concussion equipment of a kind of test tube for food inspection according to claim 1, it is characterised in that described
The first postive stop baffle is fixedly connected with the rod journal at sleeve both ends.
A kind of 7. multi-faceted concussion equipment of test tube for food inspection according to claim 1 or 6, it is characterised in that
The mobile bar left end of left part is fixedly connected with the second postive stop baffle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711287344.5A CN108031369A (en) | 2017-12-07 | 2017-12-07 | A kind of multi-faceted concussion equipment of test tube for food inspection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711287344.5A CN108031369A (en) | 2017-12-07 | 2017-12-07 | A kind of multi-faceted concussion equipment of test tube for food inspection |
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CN108031369A true CN108031369A (en) | 2018-05-15 |
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ID=62095843
Family Applications (1)
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CN201711287344.5A Pending CN108031369A (en) | 2017-12-07 | 2017-12-07 | A kind of multi-faceted concussion equipment of test tube for food inspection |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108671820A (en) * | 2018-06-08 | 2018-10-19 | 徐学慧 | A kind of hospital laboratory test tube concussion equipment with half gear engagement capability |
CN108722279A (en) * | 2018-06-11 | 2018-11-02 | 杨玲玲 | A kind of test tube for hospital laboratory shakes equipment |
CN108745146A (en) * | 2018-06-12 | 2018-11-06 | 袁志凤 | A kind of hospital laboratory test tube rocking equipment with hydraulic pressure reset function |
CN109317029A (en) * | 2018-11-26 | 2019-02-12 | 王友锋 | One kind being used for chemical solvent test tube shaking device |
CN110975722A (en) * | 2019-12-23 | 2020-04-10 | 张娣 | Constant-temperature oscillation device for drug-loaded embolism microspheres |
CN114621864A (en) * | 2022-04-18 | 2022-06-14 | 周莹 | Biological analysis experiment oscillating water bath device |
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CN105435691A (en) * | 2016-01-12 | 2016-03-30 | 梁艳 | Oscillator rocking up and down |
CN106391454A (en) * | 2016-11-28 | 2017-02-15 | 无锡艾科瑞思产品设计与研究有限公司 | Filtering device used in food detection field |
CN206184493U (en) * | 2016-07-29 | 2017-05-24 | 徐凤珠 | Test tube holder is used in multifunctional chemical teaching |
CN106984527A (en) * | 2017-05-11 | 2017-07-28 | 刘云海 | A kind of oscillating mode screening plant for graininess Chinese medicine |
CN107055719A (en) * | 2017-03-30 | 2017-08-18 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of sewage disposal device of reciprocating motion type up and down |
CN107175024A (en) * | 2017-06-30 | 2017-09-19 | 阮霞伟 | The weaving slurry mixing device that a kind of range of disturbance is adjusted in real time |
CN107199066A (en) * | 2017-06-08 | 2017-09-26 | 惠安县长信机电科技有限公司 | A kind of reciprocating chemical test experience test tube support |
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CN105435691A (en) * | 2016-01-12 | 2016-03-30 | 梁艳 | Oscillator rocking up and down |
CN206184493U (en) * | 2016-07-29 | 2017-05-24 | 徐凤珠 | Test tube holder is used in multifunctional chemical teaching |
CN106391454A (en) * | 2016-11-28 | 2017-02-15 | 无锡艾科瑞思产品设计与研究有限公司 | Filtering device used in food detection field |
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CN106984527A (en) * | 2017-05-11 | 2017-07-28 | 刘云海 | A kind of oscillating mode screening plant for graininess Chinese medicine |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108671820A (en) * | 2018-06-08 | 2018-10-19 | 徐学慧 | A kind of hospital laboratory test tube concussion equipment with half gear engagement capability |
CN108722279A (en) * | 2018-06-11 | 2018-11-02 | 杨玲玲 | A kind of test tube for hospital laboratory shakes equipment |
CN108745146A (en) * | 2018-06-12 | 2018-11-06 | 袁志凤 | A kind of hospital laboratory test tube rocking equipment with hydraulic pressure reset function |
CN109317029A (en) * | 2018-11-26 | 2019-02-12 | 王友锋 | One kind being used for chemical solvent test tube shaking device |
CN110975722A (en) * | 2019-12-23 | 2020-04-10 | 张娣 | Constant-temperature oscillation device for drug-loaded embolism microspheres |
CN110975722B (en) * | 2019-12-23 | 2020-10-23 | 邹娟 | Constant-temperature oscillation device for drug-loaded embolism microspheres |
CN114621864A (en) * | 2022-04-18 | 2022-06-14 | 周莹 | Biological analysis experiment oscillating water bath device |
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