CN112791758A - Geological laboratory is test-tube rack for water quality analysis - Google Patents
Geological laboratory is test-tube rack for water quality analysis Download PDFInfo
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- CN112791758A CN112791758A CN202110303127.0A CN202110303127A CN112791758A CN 112791758 A CN112791758 A CN 112791758A CN 202110303127 A CN202110303127 A CN 202110303127A CN 112791758 A CN112791758 A CN 112791758A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 11
- 230000001376 precipitating effect Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- 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
- G01N1/38—Diluting, dispersing or mixing samples
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- Chemical Kinetics & Catalysis (AREA)
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- Clinical Laboratory Science (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention belongs to the field of water quality detection, and particularly relates to a test tube rack for water quality analysis in a geological laboratory, aiming at the problems that the existing test tube rack is kept still, water quality is easy to precipitate to influence the accuracy of water quality analysis, and when water quality is detected, the water quality is not convenient to be in full contact with detection reagents, and the detection accuracy is reduced, the test tube rack comprises a base, wherein two moving grooves are formed in the top of the base, moving plates are arranged in the moving grooves in a sliding mode, the tops of the two moving plates are fixedly connected with a same bearing plate, vertical frames are fixedly connected to two sides of the top of the bearing plate, one side, close to each other, of the two vertical frames is fixedly connected with a same transverse frame, a plurality of through holes are formed in the tops of the transverse frames, and test. The test tube rack provided by the invention moves in a reciprocating manner in the horizontal direction, so that the water quality is prevented from precipitating, the water quality can be fully contacted with the detection reagent, and the detection precision is improved.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a test tube rack for water quality analysis in a geological laboratory.
Background
With the development of social economy, scientific progress and improvement of the living standard of people, the requirement of people on the water quality of drinking water is continuously improved, the water quality standard of the drinking water is correspondingly continuously developed and perfected, and the water quality detection is a process for monitoring and determining the types of pollutants in the water body, the concentrations and the change trends of various pollutants and evaluating the water quality condition.
Present test-tube rack is all that the storage stews, quality of water takes place easily to precipitate the accuracy that influences water quality analysis, and when quality of water is examined, be not convenient for make the abundant contact of quality of water and detect reagent, reduce the detection precision, CN103106384A only can realize the single kind mode motion of test-tube rack in the design among the current test-tube rack, if the multiple of needs test tube shakes, then need be equipped with the drive module of multiple dimension, and can't realize the mixture of the reagent liquid medicine that supplementary liquid medicine or other needs timesharing add.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, test tube racks are kept still, water quality is easy to precipitate, the accuracy of water quality analysis is affected, and when water quality is detected, the water quality is inconvenient to be in full contact with a detection reagent, and the detection accuracy is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a test tube rack for water quality analysis in a geological laboratory comprises a base, wherein two moving grooves are formed in the top of the base, moving plates are arranged in the moving grooves in a sliding mode, the top of each moving plate is fixedly connected with a same bearing plate, two sides of the top of the bearing plate are fixedly connected with vertical frames, one side, close to each other, of each vertical frame is fixedly connected with a same transverse frame, the top of each transverse frame is provided with a plurality of through holes, test tubes are clamped in the through holes, one side, close to each other, of each vertical frame is provided with a pressure plate groove, two pressure plate grooves are internally provided with a same pressure plate, a plurality of rubber sleeves with downward openings are pasted on one side, facing the test tubes, of each pressure plate body at equal intervals, a hanging lug is further arranged on each pressure plate body, the bottoms of the pressure plates are in close contact with the top ends of, the top of the pressing plate is provided with two limiting grooves, the limiting plate is clamped with the limiting grooves, the top of the limiting plate is fixedly connected with an operating plate, the bottom of the operating plate is welded with a first spring, the top of the vertical frame is provided with a spring groove, the bottom end of the first spring is welded on the inner wall of the bottom of the spring groove, one side, close to each other, of the two movable plates is fixedly connected with the same connecting plate, the bottom of the connecting plate is connected with a vertical plate, the vertical plate can be slidably inserted in a chute at the bottom of the connecting plate, one side of the movable plate is welded with a second spring, one end of the second spring is welded on the inner wall of one side of the movable groove, both sides of the bottom of the base are fixedly connected with supporting plates, one side, close to each other, of the two supporting plates is provided with a bottom groove, the two bottom grooves are internally and slidably mounted, the bottom of the bottom plate is contacted with two box bodies, both sides of the box bodies are fixedly connected with extension plates, the top of the bottom plate is provided with four extension holes, the extension plates are clamped with the extension holes, the top of the bottom plate is provided with four displacement grooves, the displacement plates are slidably arranged in the displacement grooves, one side of each displacement plate is fixedly connected with a positioning plate, one side of each extension plate is provided with a positioning hole, the positioning plates are clamped with the positioning holes, the top of the bottom plate is fixedly connected with two upper plates, one side of each upper plate is provided with an adjusting hole, an adjusting shaft is rotatably arranged in each adjusting hole, the outer side of each adjusting shaft is provided with two external threads, one side of each displacement plate is provided with a screw hole, the external threads on each adjusting shaft are in threaded connection with the screw holes, the top of the base is provided with a rotating hole, a, the wave groove has been seted up in the outside of lower shaft, and slidable mounting has the connecting rod in the wave groove, the one end fixedly connected with gangboard of connecting rod, the bottom of gangboard and the top fixed connection of bottom plate, the mounting groove has been seted up to the bottom of base, fixedly connected with driving motor in the mounting groove, the equal fixed cover in the outside with the rotation axis on the driving motor output shaft is equipped with the gear, two gears mesh mutually.
Preferably, the bottom of the test tube contacts the top of the carrier plate to support the test tube.
Preferably, the two external threads on the adjusting shaft are opposite in screwing direction, and the threads in the two screw holes are opposite in screwing direction.
Preferably, one side of the moving plate is in contact with the inner wall of one side of the moving groove to limit the moving plate.
Preferably, the top of the bottom plate is in contact with the inner wall of the top of the bottom groove to limit the bottom plate.
Preferably, the number of test tubes is five.
Preferably, one side of the displacement plate is in contact with an inner wall of one side of the displacement groove.
Preferably, the front side of the pressing plate is in contact with the inner wall of the front side of the pressing plate groove, so that the pressing plate is limited.
1. According to the test tube rack for water quality analysis in the geological laboratory, a test tube filled with a sample is placed in a through hole, an operation plate is pulled, the pressing plate is pushed again, the bottom of the pressing plate is in contact with the top end of the test tube, the operation plate is loosened, at the moment, a first spring drives the operation plate to move due to the elasticity of the first spring, the operation plate drives a limiting plate to move, the limiting plate is clamped into a limiting groove, the pressing plate is limited, then water to be detected is added into a box body, a detection reagent is added into the box body, an extension plate is clamped into an extension hole, an adjusting shaft is rotated, external threads on the adjusting shaft are in threaded connection with a screw hole, a displacement plate is driven to move, the positioning plate is clamped into the positioning hole, and the; then start driving motor, driving motor's output shaft drives a gear and rotates, a gear drives another gear and rotates, another gear drives the rotation axis and rotates, the rotation axis drives the cam and rotates, cam extrusion riser drives the riser and removes, the connecting plate drives the movable plate and removes, movable plate extrusion second spring, and then can make the test tube at horizontal reciprocating motion, prevent that the sample in the test tube from taking place to deposit, the rotation axis drives the lower shaft and rotates, the lower shaft drives the wave groove and rotates, make the connecting rod at vertical reciprocating motion, the linkage board drives the bottom plate and removes, the bottom plate drives the box body and removes, make the box body at vertical reciprocating motion, carry out abundant mixing to quality of water and detect reagent in the box body, improve the detection precision.
2. The test tube rack provided by the invention moves in a reciprocating manner in the horizontal direction, so that the water quality is prevented from precipitating, the water quality can be fully contacted with the detection reagent, and the detection precision is improved.
3. According to the invention, the movement of the test tube in multiple dimensions is realized through the same driving mechanism, and the simultaneous stirring movement of other auxiliary liquid medicines is realized, so that the high integration of multiple movements is realized.
Drawings
FIG. 1 is a schematic structural diagram of a test tube rack for water quality analysis in a geological laboratory according to the present invention;
FIG. 2 is a schematic structural view of part A of a geological laboratory water quality analysis test tube rack provided by the invention;
FIG. 3 is a schematic structural view of part B of a geological laboratory water quality analysis test tube rack provided by the invention;
FIG. 4 is a schematic structural diagram of part C of a test tube rack for water quality analysis in a geological laboratory according to the present invention;
fig. 5 is a schematic side view of a connection part of a vertical frame and a pressing plate of the test tube rack for water quality analysis in a geological laboratory.
In the figure: 1. a base; 2. moving the plate; 3. a carrier plate; 4. erecting; 5. a cross frame; 6. a test tube; 7. pressing a plate; 8. a limiting plate; 9. an operation panel; 10. a first spring; 11. a connecting plate; 12. a vertical plate; 13. a second spring; 14. a support plate; 15. a base plate; 16. a box body; 17. an extension plate; 18. a displacement plate; 19. positioning a plate; 20. an upper plate; 21. an adjustment shaft; 22. a rotating shaft; 23. a cam; 24. a lower shaft; 25. a connecting rod; 26. a linkage plate; 27. a drive motor; 28. a gear.
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.
Referring to fig. 1-5, a test tube rack for water quality analysis in a geological laboratory comprises a base 1, wherein two moving grooves are formed in the top of the base 1, moving plates 2 are slidably mounted in the moving grooves, the tops of the two moving plates 2 are fixedly connected with a same bearing plate 3, vertical frames 4 are fixedly connected to two sides of the top of the bearing plate 3, one side, close to each other, of each vertical frame 4 is fixedly connected with a same transverse frame 5, the top of each transverse frame 5 is provided with a plurality of through holes, test tubes 6 are clamped in the through holes, one side, close to each other, of each vertical frame 4 is provided with a pressing plate groove, one pressing plate 7 is slidably mounted in the two pressing plate grooves, a plurality of rubber sleeves with downward openings are pasted on one side, facing the test tubes 6, of the pressing plate 7 is provided with a hanging lug, and the bottoms of the pressing plates 7 are in close contact with the, the inner wall of the top of the pressing plate groove is provided with a limiting hole, a limiting plate 8 is arranged in the limiting hole in a sliding manner, the top of the pressing plate 7 is provided with two limiting grooves, the limiting plate 8 and the limiting grooves are clamped, the top of the limiting plate 8 is fixedly connected with an operating plate 9, the bottom of the operating plate 9 is welded with a first spring 10, the top of the vertical frame 4 is provided with a spring groove, the bottom end of the first spring 10 is welded on the inner wall of the bottom of the spring groove, one side of each of two movable plates 2 close to each other is fixedly connected with a same connecting plate 11, the bottom of the connecting plate 11 is connected with a vertical plate 12, the vertical plate 12 is slidably inserted into a sliding groove at the bottom of the connecting plate 11, one side of each movable plate 2 is welded with a second spring 13, one end of the second spring 13 is welded on the inner wall of one side, the two bottom grooves are internally and slidably provided with the same bottom plate 15, a U-shaped connecting rod is arranged between the two box bodies 16 on the plate body of the bottom plate 15, the top end of the rod body of the U-shaped connecting rod is detachably hung on the hanging lug of the pressing plate 7, the bottom of the bottom plate 15 is contacted with the two box bodies 16, the two sides of each box body 16 are fixedly connected with extension plates 17, the top of the bottom plate 15 is provided with four extension holes, the extension plates 17 are clamped with the extension holes, the top of the bottom plate 15 is provided with four displacement grooves, the displacement plates 18 are slidably arranged in the displacement grooves, one sides of the displacement plates 18 are fixedly connected with positioning plates 19, one sides of the extension plates 17 are provided with positioning holes, the positioning plates 19 are matched with the positioning clamping holes, the top of the bottom plate 15 is fixedly connected with two upper plates 20, one sides of the upper plates 20, screw has been seted up to one side of displacement plate 18, external screw thread and screw threaded connection on the regulating spindle 21, rotatory hole has been seted up at the top of base 1, rotation axis 22 has been installed to the rotatory downthehole internal rotation, the top fixedly connected with cam 23 of rotation axis 22, cam 23 contacts with one side of riser 12, the bottom fixedly connected with lower shaft 24 of rotation axis 22, wave groove has been seted up in the outside of lower shaft 24, sliding mounting has connecting rod 25 in the wave groove, connecting rod 25's one end fixedly connected with link plate 26, the bottom of link plate 26 and the top fixed connection of bottom plate 15, the mounting groove has been seted up to the bottom of base 1, fixedly connected with driving motor 27 in the mounting groove, driving motor 27 output shaft and the fixed cover in the outside of rotation axis 22 all are equipped.
In the present invention, the bottom of the test tube 6 contacts the top of the carrier plate 3 to support the test tube 6.
In the invention, the two external threads on the adjusting shaft 21 have opposite screwing directions, and the threads in the two screw holes have opposite screwing directions.
In the invention, one side of the moving plate 2 is contacted with the inner wall of one side of the moving groove to limit the moving plate 2.
In the invention, the top of the bottom plate 15 is contacted with the inner wall of the top of the bottom groove to limit the bottom plate 15.
In the present invention, the number of test tubes 6 is five.
In the present invention, one side of the displacement plate 18 is in contact with one side inner wall of the displacement groove.
In the invention, the front side of the pressing plate 7 is contacted with the inner wall of the front side of the pressing plate groove to limit the pressing plate 7.
When the device is used, the U-shaped connecting rod on the bottom plate 15 is firstly hooked with the hanging lug on the pressing plate 7, then the vertical plate 12 is slid to the position which can be contacted with the cam 23 and the current position of the vertical plate 12 in the chute at the bottom of the connecting plate 11 is locked, then the test tube 6 with the sample is placed in the through hole, then the operating plate 9 is pulled, the pressing plate 7 is pushed again, the bottom of the pressing plate 7 is contacted with the top end of the test tube 6, then the operating plate 9 is loosened, at the moment, the first spring 10 drives the operating plate 9 to move due to the elasticity of the first spring, the operating plate 9 drives the limiting plate 8 to move, so that the limiting plate 8 is clamped in the limiting groove, the pressing plate 7 is limited, then the water quality to be detected is added into the box body 16, the detection reagent is added into the box body 16, then the extending plate 17 is clamped in the extending hole, the adjusting, the displacement plate 18 is driven to move, the displacement plate 18 drives the positioning plate 19 to move, so that the positioning plate 19 is clamped in the positioning hole to limit the box body 16, then the driving motor 27 is started, the output shaft of the driving motor 27 drives one gear 28 to rotate, one gear 28 drives the other gear 28 to rotate, the other gear 28 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the cam 23 to rotate, the cam 23 extrudes the vertical plate 12 to drive the vertical plate 12 to move, the vertical plate 12 drives the connecting plate 11 to move, the connecting plate 11 drives the moving plate 2 to move, the moving plate 2 extrudes the second spring 13, further, the test tube 6 can move in a transverse reciprocating manner, the sample in the test tube 6 is prevented from precipitating, the rotating shaft 22 drives the lower shaft 24 to rotate, the lower shaft 24 drives the wave groove to rotate, and the connecting rod 25 moves, connecting rod 25 drives linkage plate 26 and removes, and linkage plate 26 drives bottom plate 15 and removes, and bottom plate 15 drives box body 16 and removes for box body 16 carries out abundant mixing at vertical reciprocating motion to quality of water and detect reagent in the box body 16, improves and detects the precision. If need carry out the motion of vertical direction to the test tube, then can be with, then cover the top at each test tube with the rubber circle of connecting plate 11 bottom, the hangers articulates on U type connecting rod on the bottom plate 15 and the clamp plate 7, then slide riser 12 to the unable contact's outside the motion range of cam 23 position and locking, thereby quality of water and detect reagent to in the box body 16 carry out the up-and-down motion that can also drive each test tube when fully mixing, the in-process of this test tube motion, clamp plate 7 up-and-down motion in the clamp plate groove of erecting frame 4.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A test tube rack for water quality analysis in a geological laboratory comprises a base (1) and is characterized in that the top of the base (1) is provided with two moving grooves, moving plates (2) are arranged in the moving grooves in a sliding manner, the tops of the two moving plates (2) are fixedly connected with the same bearing plate (3), vertical frames (4) are fixedly connected to two sides of the top of the bearing plate (3), one sides, close to each other, of the two vertical frames (4) are fixedly connected with the same transverse frame (5), the top of the transverse frame (5) is provided with a plurality of through holes, test tubes (6) are clamped in the through holes, one sides, close to each other, of the two vertical frames (4) are respectively provided with a pressing plate groove, the two pressing plate grooves are fixedly connected with the same pressing plate (7), one side, facing the test tubes (6), of the pressing plate body (7) is provided with a plurality of rubber sleeves with downward openings in an, the bottom of a pressing plate (7) is in close contact with the top end of a test tube (6), a limiting hole is formed in the inner wall of the top of a pressing plate groove, a limiting plate (8) is arranged in the limiting hole in a sliding mode, two limiting grooves are formed in the top of the pressing plate (7), the limiting plate (8) is clamped with the limiting grooves, an operation plate (9) is fixedly connected to the top of the limiting plate (8), a first spring (10) is welded to the bottom of the operation plate (9), a spring groove is formed in the top of a vertical frame (4), the bottom end of the first spring (10) is welded to the inner wall of the bottom of the spring groove, one side, close to each other, of two movable plates (2) is fixedly connected with the same connecting plate (11), a vertical plate (12) is connected to the bottom of the connecting plate (11), the vertical plate (12) can be slidably inserted into, one end of a second spring (13) is welded on the inner wall of one side of the moving groove, two supporting plates (14) are fixedly connected to two sides of the bottom of the base (1), bottom grooves are formed in one sides, close to each other, of the two supporting plates (14), the same bottom plate (15) is slidably mounted in the two bottom grooves, a U-shaped connecting rod is arranged between the two box bodies (16) on the plate body of the bottom plate (15), the top end of the rod body of the U-shaped connecting rod is detachably connected to a hanging lug of the pressing plate (7) in a hanging mode, the bottom of the bottom plate (15) is in contact with the two box bodies (16), extension plates (17) are fixedly connected to two sides of each box body (16), four extension holes are formed in the top of the bottom plate (15), the extension plates (17) are opposite to the extension holes, four displacement grooves are formed in the top of the bottom plate (15), displacement plates (18), one side of an extension plate (17) is provided with a positioning hole, a positioning plate (19) is clamped with the positioning hole, the top of a bottom plate (15) is fixedly connected with two upper plates (20), one side of each upper plate (20) is provided with an adjusting hole, an adjusting shaft (21) is rotatably installed in the adjusting hole, the outer side of the adjusting shaft (21) is provided with two external threads, one side of a displacement plate (18) is provided with a screw hole, the external threads on the adjusting shaft (21) are in threaded connection with the screw hole, the top of a base (1) is provided with a rotating hole, a rotating shaft (22) is rotatably installed in the rotating hole, the top end of the rotating shaft (22) is fixedly connected with a cam (23), the cam (23) is contacted with one side of a vertical plate (12), the bottom end of the rotating shaft (22) is fixedly connected with a lower shaft (24), the outer side of the lower shaft (24) is, the bottom of linkage plate (26) and the top fixed connection of bottom plate (15), the mounting groove has been seted up to the bottom of base (1), fixedly connected with driving motor (27) in the mounting groove, all fixed the cover with the outside of rotation axis (22) on driving motor (27) output shaft be equipped with gear (28), two gear (28) mesh mutually.
2. A geological laboratory water quality analysis test tube rack according to claim 1 characterized in that the bottom of the test tube (6) is in contact with the top of the carrier plate (3).
3. The test tube rack for water quality analysis in the geological laboratory according to claim 1, characterized in that the two external threads on the adjusting shaft (21) are opposite in thread direction, and the threads in the two screw holes are opposite in thread direction.
4. The test tube rack for water quality analysis in the geological laboratory according to claim 1, wherein one side of the moving plate (2) is in contact with the inner wall of one side of the moving groove.
5. The test tube rack for geological laboratory water quality analysis according to claim 1, characterized in that the top of the bottom plate (15) is in contact with the inner wall of the top of the bottom tank.
6. A geological laboratory water quality analysis test tube rack according to claim 1, characterized in that the number of said test tubes (6) is five.
7. The test tube rack for geological laboratory water quality analysis according to claim 1, characterized in that one side of the displacement plate (18) is in contact with one side inner wall of the displacement tank.
8. The geological laboratory water quality analysis test tube stand according to claim 1, wherein the front side of the pressure plate (7) is in contact with the front inner wall of the pressure plate groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303127.0A CN112791758B (en) | 2021-03-22 | 2021-03-22 | Test-tube rack for water quality analysis of geological laboratory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303127.0A CN112791758B (en) | 2021-03-22 | 2021-03-22 | Test-tube rack for water quality analysis of geological laboratory |
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| Publication Number | Publication Date |
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| CN112791758A true CN112791758A (en) | 2021-05-14 |
| CN112791758B CN112791758B (en) | 2022-06-28 |
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| CN202110303127.0A Expired - Fee Related CN112791758B (en) | 2021-03-22 | 2021-03-22 | Test-tube rack for water quality analysis of geological laboratory |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283044A (en) * | 2022-07-28 | 2022-11-04 | 黄淮学院 | A kind of sample classification and storage device for microbial experiment and using method thereof |
| CN115283044B (en) * | 2022-07-28 | 2023-08-01 | 黄淮学院 | A sorting storage device for samples used in microbiological experiments and its use method |
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| Publication number | Publication date |
|---|---|
| CN112791758B (en) | 2022-06-28 |
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