CN117192048A - Test tube device convenient for removing milk fat and rapidly measuring milk fat content - Google Patents
Test tube device convenient for removing milk fat and rapidly measuring milk fat content Download PDFInfo
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- CN117192048A CN117192048A CN202311148221.9A CN202311148221A CN117192048A CN 117192048 A CN117192048 A CN 117192048A CN 202311148221 A CN202311148221 A CN 202311148221A CN 117192048 A CN117192048 A CN 117192048A
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- tube
- outer tube
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- milk fat
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 235000021243 milk fat Nutrition 0.000 title claims abstract description 27
- 235000020183 skimmed milk Nutrition 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 29
- 235000013336 milk Nutrition 0.000 claims description 20
- 239000008267 milk Substances 0.000 claims description 20
- 210000004080 milk Anatomy 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 9
- 238000005070 sampling Methods 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 4
- 150000002632 lipids Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The application discloses a test tube device convenient for removing milk fat and rapidly measuring milk fat content, which comprises a cover part, an inner tube, a first outer tube and a second outer tube, wherein the cover part can seal the top end of the inner tube; the top end of the first outer tube is fixedly connected with a circular ring plate, the circular ring plate is connected with a circular ring cylindrical surrounding plate, a first internal thread is arranged at the surrounding plate, and the outer side wall of the inner tube is provided with a first external thread matched with the first internal thread; the annular plate is provided with a through hole; the utility model discloses a skim milk, including first outer tube, second outer tube, mounting panel with connect through a plurality of connecting rods between the first outer tube, can be quick carry out the separation with skim milk and milk fat then, consequently also make things convenient for operating personnel to carry out the measurement of volume to skim milk and milk fat respectively, not only can shorten operating time, can also accelerate holistic work efficiency.
Description
Technical Field
The application relates to the field of test tubes, in particular to a test tube device convenient for removing milk fat and rapidly measuring the milk fat content.
Background
Milk is a common drink with high nutrition in life, and with the improvement of life quality, the requirements of people on the quality of milk are higher and higher, and the fat content ratio of different people to milk is different, so in actual life, manufacturers and detection institutions have a great deal of requirements for detecting milk, such as detection of fat content, detection of protein content, detection of food safety and the like.
When detecting, need to utilize test tube to hold the sample to some need to detect again in centrifuge separation department skimmed milk liquid and fat, but conventional test tube self nevertheless can be used to the centrifugation, and the milk liquid after the centrifugation presents layering, but test tube self does not have separation function, need with the help of other instruments, and also can't read the content of each part after layering fast, can't realize fast measurement milk fat content on the one hand, and on the one hand the operation is more complicated, and on the other hand when different people carry out the separation, operating error is bigger. In addition, sampling the layered portions for subsequent testing is inconvenient. The time requirements for the detection are high due to the short shelf life of the fresh milk product, and when the detection batch is large, the operation efficiency is low, which affects the efficiency of the whole resistant product detection.
Disclosure of Invention
The application aims to: the application aims to solve the problems in the prior art, and therefore provides a test tube device which is convenient for removing milk fat and rapidly measuring the milk fat content.
The technical scheme is as follows: the test tube device comprises a cover part, an inner tube, a first outer tube and a second outer tube, wherein the cover part can seal the top end of the inner tube, the bottom end of the inner tube is connected with a liquid discharging tube, a filter orifice plate is arranged at the liquid discharging tube, and a plurality of filter orifices are arranged at the filter orifice plate; the top end of the first outer tube is fixedly connected with a circular ring plate, the circular ring plate is connected with a circular ring cylindrical surrounding plate, a first internal thread is arranged at the surrounding plate, and the outer side wall of the inner tube is provided with a first external thread matched with the first internal thread; the annular plate is provided with a through hole; the first outer tube is internally provided with a mounting plate, the mounting plate is connected with the first outer tube through a plurality of connecting rods, the upper surface of the mounting plate is fixedly provided with a hemispherical rubber block, and the hemispherical rubber block can seal the bottom end of the liquid discharging tube; the first outer tube is in threaded connection with the second outer tube, a first sleeve is fixedly connected to the lower surface of the mounting plate, a second sleeve is inserted into the first sleeve, a fixing column is inserted into the second sleeve, a first limiting ring is fixed to the bottom end of the first sleeve, a second limiting ring is fixed to the bottom end of the second sleeve, a first limiting plate located above the first limiting ring is fixed to the top end of the second sleeve, a second limiting plate located above the second limiting ring is fixed to the top end of the fixing column, and the fixing column is fixedly connected with the bottom end of the second outer tube; the outer side wall of the inner tube is provided with a first scale line, and the outer side wall of the second outer tube is provided with a second scale line.
Further, the first outer tube comprises a first upper tube fixedly connected with the annular plate and a first lower tube connected with the first upper tube, the inner diameter of the first upper tube is equal to that of the first lower tube, the outer diameter of the first upper tube is larger than that of the first lower tube, and the outer surface of the first lower tube is provided with second external threads; the second outer tube comprises a second upper tube, a second lower tube connected with the second upper tube and a bottom circular plate connected with the second lower tube, the outer diameter of the second upper tube is equal to that of the second lower tube, the inner diameter of the second upper tube is larger than that of the second lower tube, the second upper tube is provided with a second internal thread matched with the second external thread, the bottom end of the first lower tube is provided with a sealing ring, and the sealing ring can be abutted against the top end of the second lower tube; the fixed column with bottom plectane fixed connection to through carrying out the restriction of size to external diameter, the internal diameter of each part of test tube, and then when using, can ensure the smoothness nature of rotatory regulation in-process, and can further the leakproofness of test tube, thereby avoid appearing the condition that milk liquid revealed.
Further, the first upper pipe and the first lower pipe are integrally formed; the second upper pipe and the second lower pipe are integrally formed; the outer diameter of the first upper pipe is equal to that of the second upper pipe, so that the processing is simpler, and the structural property of the integrally formed part is better.
Further, the first limiting ring and the second limiting ring are both circular; the first limiting plate and the second limiting plate are circular, so that the contact area between the first limiting ring and the second limiting plate and the contact area between the first limiting ring and the second limiting plate can be increased, the contact area is wider, and the stress at each position is more uniform.
Further, the number of the connecting rods is more than or equal to 4; the connecting rods are distributed at equal intervals in an annular mode, so that the position of the mounting plate is limited and firm, and stability in the use process is guaranteed.
Further, the number of the through holes is more than or equal to 2, so that the air pressure of the cavity between the first outer tube and the second outer tube is consistent with the air pressure of the outside, and the skim milk can flow out of the inner tube more conveniently.
Further, the through hole is provided with the circular-ring cylindrical liquid pouring pipe, so that the liquid pouring pipe can pour liquid more conveniently and pour the skimmed milk.
Further, the inner tube includes a cylindrical portion and an inverted cone-shaped portion located below the cylindrical portion, and the downcomer is connected with the inverted cone-shaped portion, so that the inverted cone-shaped portion can facilitate the outflow of the skim milk, thereby accelerating the overall operation efficiency.
Further, the cover part is provided with a cover part external thread, and the inner side wall of the inner tube is provided with a cover part internal thread matched with the cover part external thread, so that the connection between the cover part and the inner tube is tighter and more airtight, and the centrifugal process is more facilitated.
Further, the cover part is provided with a circle of anti-slip strip-shaped convex ribs; the top end of the inner tube is provided with a circle of anti-slip protrusions, so that the inner tube is anti-slip, and the inner tube is convenient to install.
In addition, the application also discloses a measuring method using the test tube device, which comprises the following steps:
1) The first outer tube and the second outer tube are screwed and fixed; screwing and fixing the inner tube and the first outer tube to enable the bottom end of the liquid discharging tube to be closed by a hemispherical rubber block;
2) Pouring the initial milk, closing the cover part, and reading the volume V1 of the initial milk through a first scale line;
3) Putting the test tube device into a centrifugal machine for centrifugal separation;
4) The first outer tube and the second outer tube are made to rotate relatively until the first limiting plate abuts against the first limiting ring and the second limiting plate abuts against the second limiting ring;
5) Opening the cover part, rotating the inner tube, so that the bottom end of the liquid discharging tube is not abutted against the hemispherical rubber block;
6) When the skim milk completely flows into the second outer tube, the inner tube is rotated to enable the bottom end of the liquid discharging tube to be abutted and sealed by the hemispherical rubber block;
7) Reading the volume V2 of the skim milk through a second scale mark, wherein the fat content of the initial milk is (V1-V2)/V1;
8) Taking milk fat from the inner tube as a first sample;
9) Skim milk was poured from the through hole as a second sample.
The beneficial effects are that: compared with the prior art, the test tube device convenient for degreasing and rapid detection has the following advantages:
1) The structure of special inner tube, first outer tube and second outer tube is adopted to can read total volume through the inner tube, can read the skim milk volume through first, two outer tubes, thereby can realize the quick measurement of fat content.
2) The sampling can lengthen the first outer tube and the second outer tube of the shortening structure, so that the loading of a centrifugal machine can be shortened during centrifugation, and the space formed by the first outer tube and the second outer tube can be enlarged during measurement of the volume of the skimmed milk, so that the skimmed milk is convenient to drain and the measurement of the volume is convenient and accurate.
3) After the measurement of the fat content is finished, the skim milk and fat are conveniently sampled, so that the next detection is convenient.
Drawings
FIG. 1 is a schematic view of a test tube apparatus;
FIG. 2 is a schematic cross-sectional view of a test tube assembly;
FIG. 3 is a schematic view of the components of the cuvette apparatus shown in isolation;
FIG. 4 is an enlarged schematic view of the area A;
FIG. 5 is a schematic view of the first outer tube structure of the cuvette assembly;
FIG. 6 is an enlarged schematic view of the structure in the region B;
FIG. 7 is a schematic view of the inner tube structure of the cuvette apparatus;
FIG. 8 is a schematic view of a second outer tube structure of the cuvette apparatus;
FIG. 9 is a schematic view of the structure of the cover of the test tube device;
FIG. 10 is a schematic view of the structure of the tube device after the space formed between the first outer tube and the second outer tube is adjusted;
FIG. 11 is a schematic view of the structure of the cap portion of the cuvette apparatus at the top of the inner tube;
FIG. 12 is a schematic view showing the structure in which the inner tube moves upward and the hemispherical rubber block does not seal the downcomer.
In the figure: 1 a cover part; 2 an inner tube; 3 a first outer tube; 4 a second outer tube; 5, a liquid discharging pipe; 6, a circular plate; 7, surrounding the board; 8 through holes; 9 connecting rods; 10 hemispherical rubber blocks; 11 a first sleeve; a second sleeve 12; 13, fixing the column; 14, a filter plate; 15, filtering holes; 16 first internal threads; 17 first external threads; 18 mounting plates; 19 a first limiting ring; 20 a first limiting plate; a second stop collar 21; 22 a second limiting plate; 23 a first upper tube; 24 a first down tube; 25 second external threads; a second upper tube 26; a second down tube 27; 28 a bottom circular plate; 29 sealing rings; 30 internal threads of the cap; 31 external threads of the cover; 32 anti-slip strip-shaped ribs; 33 a slip resistant protrusion; 34 second internal threads; 35 a cylindrical portion; 36 inverted cone mesa portion.
Detailed Description
As shown in fig. 1-12, a test tube device for conveniently removing milk fat and rapidly measuring milk fat content comprises a cover part 1, an inner tube 2, a first outer tube 3 and a second outer tube 4, wherein the cover part 1 can seal the top end of the inner tube 2, the bottom end of the inner tube 2 is connected with a liquid discharging tube 5, a filter plate 14 is arranged at the liquid discharging tube 5, and a plurality of filter holes 15 are formed at the filter plate 14; the top end of the first outer tube 3 is fixedly connected with a circular ring plate 6, the circular ring plate 6 is connected with a circular ring cylindrical surrounding plate 7, a first internal thread 16 is arranged at the surrounding plate 7, and the outer side wall of the inner tube 2 is provided with a first external thread 17 matched with the first internal thread 16; the annular plate 6 is provided with a through hole 8; the first outer tube 3 is internally provided with a mounting plate 18, the mounting plate 18 is connected with the first outer tube 3 through a plurality of connecting rods 9, a hemispherical rubber block 10 is fixedly arranged on the upper surface of the mounting plate 18, and the hemispherical rubber block 10 can seal the bottom end of the liquid discharging tube 5; the first outer tube 3 is in threaded connection with the second outer tube 4, a first sleeve 11 is fixedly connected to the lower surface of the mounting plate 18, a second sleeve 12 is inserted into the first sleeve 11, a fixing column 13 is inserted into the second sleeve 12, a first limiting ring 19 is fixed to the bottom end of the first sleeve 11, a second limiting ring 21 is fixed to the bottom end of the second sleeve 12, a first limiting plate 20 positioned above the first limiting ring 19 is fixed to the top end of the second sleeve 12, a second limiting plate 22 positioned above the second limiting ring 21 is fixed to the top end of the fixing column 13, and the bottom end of the second outer tube 4 is fixedly connected with the fixing column 13; the outer side wall of the inner tube 2 has a first graduation line, and the outer side wall of the second outer tube 4 has a second graduation line.
The first outer tube 3 comprises a first upper tube 23 fixedly connected with the annular plate 6 and a first lower tube 24 connected with the first upper tube 23, the inner diameter of the first upper tube 23 is equal to that of the first lower tube 24, the outer diameter of the first upper tube 23 is larger than that of the first lower tube 24, and the outer surface of the first lower tube 24 is provided with second external threads 25; the second outer tube 4 comprises a second upper tube 26, a second lower tube 27 connected with the second upper tube 26 and a bottom circular plate 28 connected with the second lower tube 27, the outer diameter of the second upper tube 27 is equal to that of the second lower tube 27, the inner diameter of the second upper tube 26 is larger than that of the second lower tube 27, a second internal thread 34 matched with the second external thread 25 is arranged at the second upper tube 26, a sealing ring 29 is arranged at the bottom end of the first lower tube 24, and the sealing ring 29 can be abutted against the top end of the second lower tube 27; the fixed column 13 is fixedly connected with the bottom circular plate 28. The first upper pipe 23 and the first lower pipe 24 are integrally formed; the second upper pipe 26 and the second lower pipe 27 are integrally formed; the outer diameter of the first upper tube 23 is equal to the outer diameter of the second upper tube 26. The first limiting ring 19 and the second limiting ring 21 are both circular; the first limiting plate 20 and the second limiting plate 22 are both circular.
The number of the connecting rods 9 is more than or equal to 4; the plurality of connecting rods 9 are distributed in an annular equidistant manner. The number of the through holes 8 is more than or equal to 2, and the through holes 8 are provided with circular cylindrical pouring pipes. The inner tube 2 comprises a cylindrical portion 35 and an inverted cone-shaped portion 36 located below the cylindrical portion 35, and the downcomer 5 is connected to the inverted cone-shaped portion 36. The cap 1 has a cap external thread 31, and the inner wall of the inner tube 2 has a cap internal thread 30 which mates with the cap external thread 31. The cover part 1 is provided with a circle of anti-slip strip-shaped ribs 32; the top end of the inner tube 2 is provided with a circle of anti-slip protrusions 33.
According to the test tube device, through the structures of the first outer tube, the outer tube and the inner tube, the milk fat of the milk liquid can be rapidly measured and sampled, and the first outer tube, the outer tube and the inner tube are installed in a threaded mode, so that the operation is convenient, the rest tools are not needed for switching between different states, the measurement of the fat content is rapid, and the sampling of fat and skimmed milk liquid is convenient.
In actual operation, the specific measuring and sampling method of the test tube device comprises the following steps:
1) The first outer tube 3 and the second outer tube 4 are screwed and fixed; screwing and fixing the inner tube 2 and the first outer tube 3 so that the bottom end of the liquid discharging tube 5 is closed by a hemispherical rubber block 10;
2) After pouring the initial milk, closing the cover part 1, and reading the volume V1 of the initial milk through a first scale mark; the milk before separation is now only present in the inner tube.
3) Putting the test tube device into a centrifugal machine for centrifugal separation; the first outer tube and the second outer tube are shortened to be the shortest, so that the whole length of the test tube device is smaller, thereby being suitable for a centrifugal machine on one hand and being more suitable for centrifugal operation on the other hand.
4) The first outer tube 3 and the second outer tube 4 are made to rotate relatively until the first limiting plate 20 abuts against the first limiting ring 19, and the second limiting plate 22 abuts against the second limiting ring 21; at this time, the centrifugation is completed, the milk is layered, the milk is still limited in the inner tube 2, the first outer tube and the second outer tube are stretched to the maximum length, the first outer tube and the second outer tube are also in a screwed state, and the relative positions of the first outer tube and the second outer tube are stable.
5) Opening the cover part 1, rotating the inner tube 2 so that the bottom end of the liquid discharging tube 5 does not abut against the hemispherical rubber block 10; at the moment, the skimmed milk can flow into a space formed by the first outer pipe and the second outer pipe;
6) When the skim milk completely flows into the second outer tube 4, the inner tube 2 is rotated so that the bottom end of the lower liquid tube 5 is abutted and sealed by the hemispherical rubber block 10; at this time, the skim milk completely flows into the space between the first and second outer pipes, and the fat is completely located in the inner pipe 2, so that after separation, the skim milk and the fat are isolated, and the liquid level of the skim milk is lower than the bottom end of the lower liquid pipe 5, so that the volume reading of the skim milk is more accurate because the skim milk is completely located in the first and second outer pipes.
7) Reading the volume V2 of the skim milk through a second scale mark, wherein the fat content of the initial milk is (V1-V2)/V1; although there is a certain error in calculating the lipid content from the volume, a quick reading of the lipid content can be achieved.
8) Taking milk fat from the inner tube 2 as a first sample;
9) Skim milk was poured out from the through hole 8 as a second sample.
The separated first and second samples can be used for subsequent more complex assays. And because fat and skim milk are in a separation state, the sampling is convenient.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.
Claims (10)
1. The test tube device is characterized by comprising a cover part, an inner tube, a first outer tube and a second outer tube, wherein the cover part can seal the top end of the inner tube, the bottom end of the inner tube is connected with a liquid discharging tube, a filter orifice plate is arranged at the liquid discharging tube, and a plurality of filter orifices are formed at the filter orifice plate; the top end of the first outer tube is fixedly connected with a circular ring plate, the circular ring plate is connected with a circular ring cylindrical surrounding plate, a first internal thread is arranged at the surrounding plate, and the outer side wall of the inner tube is provided with a first external thread matched with the first internal thread; the annular plate is provided with a through hole; the first outer tube is internally provided with a mounting plate, the mounting plate is connected with the first outer tube through a plurality of connecting rods, the upper surface of the mounting plate is fixedly provided with a hemispherical rubber block, and the hemispherical rubber block can seal the bottom end of the liquid discharging tube; the first outer tube is in threaded connection with the second outer tube, a first sleeve is fixedly connected to the lower surface of the mounting plate, a second sleeve is inserted into the first sleeve, a fixing column is inserted into the second sleeve, a first limiting ring is fixed to the bottom end of the first sleeve, a second limiting ring is fixed to the bottom end of the second sleeve, a first limiting plate located above the first limiting ring is fixed to the top end of the second sleeve, a second limiting plate located above the second limiting ring is fixed to the top end of the fixing column, and the fixing column is fixedly connected with the bottom end of the second outer tube; the outer side wall of the inner tube is provided with a first scale line, and the outer side wall of the second outer tube is provided with a second scale line.
2. The test tube device for facilitating creaming and rapid measurement of the milk fat according to claim 1, wherein the first outer tube comprises a first upper tube fixedly connected with the annular plate and a first lower tube connected with the first upper tube, the inner diameter of the first upper tube is equal to the inner diameter of the first lower tube, the outer diameter of the first upper tube is larger than the outer diameter of the first lower tube, and the outer surface of the first lower tube is provided with second external threads; the second outer tube comprises a second upper tube, a second lower tube connected with the second upper tube and a bottom circular plate connected with the second lower tube, the outer diameter of the second upper tube is equal to that of the second lower tube, the inner diameter of the second upper tube is larger than that of the second lower tube, the second upper tube is provided with a second internal thread matched with the second external thread, the bottom end of the first lower tube is provided with a sealing ring, and the sealing ring can be abutted against the top end of the second lower tube; the fixed column is fixedly connected with the bottom circular plate.
3. The test tube device for facilitating the de-creaming and rapid measurement of the milk fat content according to claim 1, wherein the first upper tube and the first lower tube are integrally formed; the second upper pipe and the second lower pipe are integrally formed; the outer diameter of the first upper pipe is equal to the outer diameter of the second upper pipe.
4. The test tube device for facilitating creaming and rapid measurement of milk fat according to claim 1, wherein the first and second stop collars are annular in shape; the first limiting plate and the second limiting plate are round.
5. The test tube device for facilitating the de-creaming and rapid measurement of the milk fat content according to claim 1, wherein the number of the connecting rods is greater than or equal to 4; the connecting rods are distributed in an annular equidistant mode.
6. The test tube device for conveniently removing milk fat and rapidly measuring the milk fat content according to claim 1, wherein the number of the through holes is more than or equal to 2, and the through holes are provided with circular cylindrical pouring tubes.
7. The tube device for facilitating the de-creaming and rapid measurement of the milk fat content according to claim 1, wherein the inner tube comprises a cylindrical portion and an inverted cone-shaped portion below the cylindrical portion, the downcomer being connected to the inverted cone-shaped portion.
8. The test tube device for facilitating creaming and rapid determination of creaming content according to claim 1, wherein the cap has cap external threads and the inner sidewall of the inner tube has cap internal threads that mate with cap external threads.
9. The test tube device for facilitating creaming and rapid measurement of milk fat according to claim 1, wherein the cover portion has a ring of anti-slip strip ribs; the top end of the inner tube is provided with a circle of anti-slip protrusions.
10. A method of measurement based on the cuvette device according to claim 2, characterized in that it comprises the steps of;
1) The first outer tube and the second outer tube are screwed and fixed; screwing and fixing the inner tube and the first outer tube to enable the bottom end of the liquid discharging tube to be closed by a hemispherical rubber block;
2) Pouring the initial milk, closing the cover part, and reading the volume V1 of the initial milk through a first scale line;
3) Putting the test tube device into a centrifugal machine for centrifugal separation;
4) The first outer tube and the second outer tube are made to rotate relatively until the first limiting plate abuts against the first limiting ring and the second limiting plate abuts against the second limiting ring;
5) Opening the cover part, rotating the inner tube, so that the bottom end of the liquid discharging tube is not abutted against the hemispherical rubber block;
6) When the skim milk completely flows into the second outer tube, the inner tube is rotated to enable the bottom end of the liquid discharging tube to be abutted and sealed by the hemispherical rubber block;
7) Reading the volume V2 of the skim milk through a second scale mark, wherein the fat content of the initial milk is (V1-V2)/V1;
8) Taking milk fat from the inner tube as a first sample;
9) Skim milk was poured from the through hole as a second sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311148221.9A CN117192048B (en) | 2023-09-06 | Test tube device convenient for removing milk fat and rapidly measuring milk fat content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311148221.9A CN117192048B (en) | 2023-09-06 | Test tube device convenient for removing milk fat and rapidly measuring milk fat content |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117192048A true CN117192048A (en) | 2023-12-08 |
| CN117192048B CN117192048B (en) | 2024-05-24 |
Family
ID=
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|---|---|---|---|---|
| JP2016087589A (en) * | 2014-11-11 | 2016-05-23 | 明和工業株式会社 | Y-shaped strainer |
| CN206746829U (en) * | 2017-04-27 | 2017-12-15 | 深圳市前海精准生物科技有限公司 | A kind of infiltration type centrifuge tube |
| CN207197881U (en) * | 2017-08-02 | 2018-04-06 | 申联生物医药（上海）股份有限公司 | The device for being demulsified and separating for a small amount of vaccines |
| CN108896364A (en) * | 2018-06-19 | 2018-11-27 | 河北医科大学 | For feed, livestock fecaluria, tissue sample pre-treatment centrifugal ultrafiltration unit |
| CN110279423A (en) * | 2019-06-28 | 2019-09-27 | 李荣鑫 | A kind of vacuum blood collection tube and its method separating serum |
| CN211070136U (en) * | 2019-11-19 | 2020-07-24 | 绿城农科检测技术有限公司 | Centrifuge tube |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016087589A (en) * | 2014-11-11 | 2016-05-23 | 明和工業株式会社 | Y-shaped strainer |
| CN206746829U (en) * | 2017-04-27 | 2017-12-15 | 深圳市前海精准生物科技有限公司 | A kind of infiltration type centrifuge tube |
| CN207197881U (en) * | 2017-08-02 | 2018-04-06 | 申联生物医药（上海）股份有限公司 | The device for being demulsified and separating for a small amount of vaccines |
| CN108896364A (en) * | 2018-06-19 | 2018-11-27 | 河北医科大学 | For feed, livestock fecaluria, tissue sample pre-treatment centrifugal ultrafiltration unit |
| CN110279423A (en) * | 2019-06-28 | 2019-09-27 | 李荣鑫 | A kind of vacuum blood collection tube and its method separating serum |
| CN211070136U (en) * | 2019-11-19 | 2020-07-24 | 绿城农科检测技术有限公司 | Centrifuge tube |
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