CN104152343A - Spin coating device - Google Patents
Spin coating device Download PDFInfo
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- CN104152343A CN104152343A CN201410339215.6A CN201410339215A CN104152343A CN 104152343 A CN104152343 A CN 104152343A CN 201410339215 A CN201410339215 A CN 201410339215A CN 104152343 A CN104152343 A CN 104152343A
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- coating
- coating device
- permanent seat
- culture dish
- fixed
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/02—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by impregnation, e.g. using swabs or loops
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to the technical field of microbial instruments, and discloses a spin coating device. The spin coating device is used for coating operations of microbial culture. The spin coating device comprises a motor, a tray, a fixed mechanism and a coating bar, wherein the tray is connected with an output shaft of the motor, is used for fixing a culture dish, and is horizontally arranged; the coating bar is fixedly arranged on the fixed mechanism, and the coating end of the coating bar extends into the culture dish. By adopting the technical scheme of the spin coating device, the motor can be used for driving the tray to horizontally rotate, and the coating end of the coating bar which is fixedly arranged on the fixed mechanism extends into the culture dish; when microbial coating needs to be performed, a tester only needs to start the motor, the motor drives the tray to rotate, and the coating bar is used for coating bacterial liquid on a culture medium in the culture dish, so that the automatic coating of microorganisms can be achieved, and the coating efficiency can be greatly increased; in addition, because the culture dish rotates at a constant speed automatically, the tester does not need to coat on the culture medium back and forth by holding the coating bar in a hand, so that the coating uniformity can be increased.
Description
Technical field
The present invention relates to microorganism technique with the apparatus field, particularly relate to a kind of rotary coating device.
Background technology
Coating method inoculation is a kind of conventional microbial culture method, not only can, for microorganism count with separated, can also utilize its feature that forms bacterium colony in planar surface growth to observe microorganism.In traditional microorganism culturing technology, microorganism coating manipulation require first carries out a series of gradient dilution by bacterium liquid, the more dilution bacterium liquid of difference is applied to respectively to the surface of Solid agar culture, in coating operation, needs to use culture dish and spreading rod.During concrete use, operator on the substratum of culture dish, is coated with appropriate bacterium drop back and forth bacterium liquid with spreading rod and makes it be coated on media surface.
The defect of prior art is, whole coating is operating as manual operation, and human cost is higher, and efficiency is lower; And, after the manual operation time is long, easily cause trier's arm tingle, and then cause crawling even, finally cause test-results inaccurate.
Summary of the invention
The object of this invention is to provide a kind of rotary coating device, in order to improve microorganism coating efficiency, and improve coating homogeneity.
The embodiment of the present invention provides a kind of rotary coating device, and described rotary coating device, for the coating operation of microorganism culturing, comprising:
Motor;
With the pallet that the output shaft of described motor is connected, described pallet is for fixing culture dish and be horizontally disposed with;
Fixed mechanism;
Spreading rod, is fixed on described fixed mechanism, and the coating end of described spreading rod stretches in described culture dish.
In technical solution of the present invention, the rotary coating device that a kind of microorganism culturing is used has been proposed, motor in this rotary coating device can horizontally rotate by driving tray, the coating end that is fixed on the spreading rod of fixed mechanism stretches in culture dish, when needs carry out microorganism coating, trier only needs to open motor, driven by motor pallet rotation, spreading rod is coated with the bacterium liquid on substratum in culture dish, can realize the automatic coating of microorganism, greatly improved coating efficiency, in addition, due to the rotation of culture dish automatic uniform speed, trier does not need the coating back and forth on substratum of hand-held spreading rod, therefore, also improved the homogeneity of coating.
Preferably, described fixed mechanism comprises:
Column;
Be fixed on the permanent seat of described column;
Anchor, comprises connection section and fixed part, and described connection section is articulated with on described permanent seat, and described fixed part is fixed described spreading rod;
Resilient snubber, is arranged between described permanent seat and described connection section, connection section and permanent seat described in the resilient support of described resilient snubber.
In preparation process, may there is the situation of variable thickness in substratum, to automatic coating, cause certain difficulty, in this preferred technical scheme, because this fixed mechanism has resilient snubber, resilient snubber can support connection section and permanent seat, can be under the elastic force effect of resilient snubber, the fixed part that is fixed with spreading rod can be finely tuned with respect to the height of permanent seat, therefore, adopt this device, can automatically adjust the height of spreading rod, overcome the automatic coating difficulty that substratum variable thickness causes.
The structure of resilient snubber has multiple, such as torsion spring, elastic steel sheet, scroll spring, laminated spring, heterotypic spring, elastic ball etc., two kinds of preferred implementations are provided in the present invention, a kind of embodiment is: described resilient snubber is whisker, described helical spring inboardend is fixed on described permanent seat, and described helical spring free end is connected to described connection section.
Another kind of embodiment is: described resilient snubber is torsion spring, and described torsion spring is arranged on stationary shaft, and described stationary shaft is fixed on described permanent seat; Two spring arms of described torsion spring are connected to respectively described connection section and described permanent seat.
Preferably, the angle of two of described torsion spring spring arm place planes is 15 °～70 °.
Preferably, on described permanent seat, be provided with the through hole of sheathed described column; Described fixed mechanism also comprises:
Locking cap, locks described permanent seat in the desired location of described column.
In this embodiment, adopt locking cap, can conveniently regulate the position of permanent seat on column, the height that makes to be fixed on the spreading rod on permanent seat can regulate along the height of column.
Preferably, the inboardend of described spreading rod is yi word pattern inboardend, and described fixed part offers the draw-in groove of the inboardend of the described spreading rod of engaging.Adopt the structure engaging can facilitate the installation and removal of spreading rod.
Preferably, the coating end of described spreading rod is yi word pattern coating end.The coating end of yi word pattern can be slightly less than culture dish internal diameter, therefore can improve coating efficiency.
Preferably, described spreading rod also comprises the connection handle that connects described inboardend and described coating end, and described connection handle is to have the connection handle of setting angle, and the opening of described angle is towards described culture dish.If connection handle is linear connection handle, the culture dish that easily collides with, adopts the connection handle of fold-line-shaped can prevent connection handle collision culture dish in pallet rotary course.
For above-mentioned any rotary coating device, in described pallet, offer at least the fixedly step trough of culture dish of one-level.The culture dish of every grade of corresponding a kind of model of step trough, has multistage step trough in pallet, in the situation that not changing pallet, can realize the coating to Multiple Type culture dish, has increased the practicality of pallet.
Accompanying drawing explanation
The structural representation of the rotary coating device that Fig. 1 provides for one embodiment of the invention;
Fig. 2 is the structural representation of the fixed mechanism of the rotary coating device shown in Fig. 1;
The structural representation of the fixed mechanism that Fig. 3 provides for one embodiment of the invention;
The structural representation of the fixed mechanism that Fig. 4 provides for another embodiment of the present invention;
Fig. 5 is the side-looking structural representation of the torsion spring of the fixed mechanism shown in Fig. 4;
The structural representation of the rotary coating device that Fig. 6 provides for one embodiment of the invention;
Fig. 7 is the structural representation of the anchor of the rotary coating device shown in Fig. 6.
Reference numeral:
1-motor 2-pallet 3-culture dish 4-fixed mechanism 5-spreading rod
11-output shaft 41-column 42-permanent seat 43-anchor 44-resilient snubber
45-locking cap 431-connection section 432-fixed part 441-whisker 442-torsion spring
Embodiment
In order to improve microorganism coating efficiency, the invention provides a kind of rotary coating device.In this technical scheme, motor can horizontally rotate by driving tray, the coating end that is fixed on the spreading rod of fixed mechanism stretches in culture dish, when needs carry out microorganism coating, trier only needs to open motor, driven by motor pallet rotation, spreading rod is coated with the bacterium liquid on substratum in culture dish, can realize the automatic coating of microorganism, greatly improve coating efficiency, in addition, due to the rotation of culture dish automatic uniform speed, trier does not need the coating back and forth on substratum of hand-held spreading rod, therefore, has improved the homogeneity of coating yet.For making the object, technical solutions and advantages of the present invention clearer, below lift specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides a kind of rotary coating device, as shown in Figure 1, the structural representation of the rotary coating device that Fig. 1 provides for one embodiment of the invention, described rotary coating device, for the coating operation of microorganism culturing, comprising:
Motor 1;
With the pallet 2 that the output shaft 11 of motor 1 is connected, pallet 2 is for fixing culture dish 3 and be horizontally disposed with;
Fixed mechanism 4;
Spreading rod 5, is fixed on fixed mechanism 4, and the coating end of spreading rod 5 stretches in culture dish 3.
In technical solution of the present invention, the rotary coating device that a kind of microorganism culturing is used has been proposed, motor 1 in this rotary coating device can horizontally rotate by driving tray 2, the coating end that is fixed on the spreading rod 5 of fixed mechanism 4 stretches in culture dish 3, when needs carry out microorganism coating, trier only needs to open motor 1, motor 1 drives pallet 2 rotations, spreading rod 5 is coated with the bacterium liquid on the interior substratum of culture dish 3, can realize the automatic coating of microorganism, greatly improved coating efficiency, in addition, due to culture dish 3 automatic uniform speed rotations, trier does not need the coating back and forth on substratum of hand-held spreading rod, therefore, also improved the homogeneity of coating.
In technical solution of the present invention, the output shaft 11 of motor 1 can be connected with pallet 2 indirectly, as long as motor 1 can rotate by driving tray 2, for example, the output shaft 11 of motor 1 can pass through shaft coupling, then is connected with pallet 2 by a union lever.
Preferably, as shown in Figure 2, Fig. 2 is the structural representation of the fixed mechanism of the rotary coating device shown in Fig. 1, and described fixed mechanism comprises:
Column 41;
Be fixed on the permanent seat 42 of column 41;
Anchor 43, comprises connection section 431 and fixed part 432, and connection section 431 is articulated with on permanent seat 42, and fixed part 432 is spreading rod fixedly;
Resilient snubber 44, is arranged between permanent seat 42 and connection section 431 the resilient support connection section 431 of resilient snubber 44 and permanent seat 42.
In preparation process, may there is the situation of variable thickness in substratum, to automatic coating, cause certain difficulty, in this preferred technical scheme, because this fixed mechanism has resilient snubber 44, resilient snubber 44 can support connection section 431 and permanent seat 432, can be under the elastic force effect of resilient snubber 44, the fixed part 432 that is fixed with spreading rod can be finely tuned with respect to the height of permanent seat 42, therefore, adopt this device, can automatically adjust the height of spreading rod, overcome the automatic coating difficulty that substratum variable thickness causes.
The structure of resilient snubber 44 has multiple, such as torsion spring, elastic steel sheet, scroll spring, laminated spring, heterotypic spring, elastic ball etc., two kinds of preferred implementations are provided in the present invention, a kind of embodiment is: as shown in Figure 3, the structural representation of the fixed mechanism that Fig. 3 provides for one embodiment of the invention, described resilient snubber is whisker 441, and the inboardend of whisker 441 is fixed on permanent seat 42, and the free end of whisker 441 is connected to connection section 431.The inboardend of whisker 441 can be fixed on permanent seat 42 by fixed leg.In the specific implementation, one end of whisker 441 is fixed on permanent seat 42, for example, with set screw, fixes, then the connection section of anchor 43 431 is articulated with on permanent seat 42.After spreading rod 5 is installed, because making whisker 441, the action of gravity of spreading rod 5 and anchor 43 produces deformation, when the coating end in contact substratum of spreading rod 5, be subject to the impact of gravity and substratum reactive force, whisker 441 is stressed to change, at substratum height, can not play shock absorption at ordinary times, realize the function that automatically regulates spreading rod height.
Another kind of embodiment is: as shown in Figure 4, the structural representation of the fixed mechanism that Fig. 4 provides for another embodiment of the present invention, described resilient snubber is torsion spring 442, and torsion spring 442 is arranged on stationary shaft, and stationary shaft is fixed on permanent seat 42; Two spring arms of torsion spring 442 are connected to respectively connection section 431 and permanent seat 42.In the specific implementation, torsion spring 442 use stationary shaft (for example set screw) are fixed on permanent seat 42, again the connection section of anchor 43 431 is articulated with on permanent seat 42, when the elastic force of design torsion spring 442, can work as anchor 43 while naturally drooping anchor 43 and permanent seat 42 just clamp torsion spring 442.After spreading rod 5 is installed, because making torsion spring 442, the action of gravity of spreading rod 5 and anchor 43 produces deformation, when the coating end in contact substratum of spreading rod 5, be subject to the impact of gravity and substratum reactive force, torsion spring 442 is stressed to change, at substratum height, can not play shock absorption at ordinary times, realize the function that automatically regulates spreading rod height.
As shown in Figure 3 and Figure 4, in above-mentioned two kinds of embodiments, in order further to make the compact construction of fixed mechanism, connection section 431 can be union lever structure, one end of union lever, as articulated position, can arrange groove on permanent seat 42, and union lever can be arranged in groove.
As shown in Figure 5, Fig. 5 is the side-looking structural representation of the torsion spring of the fixed mechanism shown in Fig. 4, and preferred, the angle β of two spring arm place planes of torsion spring 442 is 15 °～70 °.More excellent, the angle β of two spring arm place planes of torsion spring 442 is 60 °.
As shown in Figure 6, the structural representation of the rotary coating device that Fig. 6 provides for one embodiment of the invention, preferred, on described permanent seat 42, be provided with the through hole of sheathed column 41; Described fixed mechanism also comprises:
Locking cap 45, the seat 42 that is locked is in the desired location of column 41.
In this embodiment, adopt locking cap 45, can conveniently regulate the position of permanent seat 42 on column 41, the height that makes to be fixed on the spreading rod 5 on permanent seat 42 can regulate along the height of column 41.
As shown in Figure 7, Fig. 7 is the structural representation of the anchor of the rotary coating device shown in Fig. 6, also continue referring to shown in Fig. 6, preferred, the inboardend of described spreading rod 5 is yi word pattern inboardend, and fixed part 432 offers the draw-in groove of the inboardend of engaging spreading rod 5.Adopt the structure engaging can facilitate the installation and removal of spreading rod 5.After coating completes, spreading rod 5 is lifted, can easily spreading rod 5 be removed to sterilization, in order to other coated test, use, spreading rod 5 is had can reusing.
Shown in Fig. 6, preferred, the coating end of described spreading rod 5 is yi word pattern coating end.The coating end of yi word pattern can be slightly less than the internal diameter of culture dish 3, therefore can improve coating efficiency.
Shown in Fig. 6, preferred, described spreading rod 5 also comprises the connection handle that is connected and fixed end and coating end, and connection handle is to have the connection handle of setting angle, and the opening of angle is towards culture dish 3.If connection handle is linear connection handle, the culture dish that easily collides with, adopts the connection handle of fold-line-shaped can prevent connection handle collision culture dish in pallet 2 rotary courses.
Shown in Fig. 6, for above-mentioned any rotary coating device, in pallet 2, offer at least the fixedly step trough of culture dish 3 of one-level.The culture dish 3 of the corresponding a kind of model of every grade of step trough, has multistage step trough in pallet 2, in the situation that not changing pallet 2, can realize the coating to Multiple Type culture dish 3, has increased the practicality of pallet 2.As the scheme that more has choosing, on step trough, can be provided with the location deck that isoperimetric distributes, for further fastening culture dish, make culture dish rotation center consistent with pallet rotation center.
Shown in Fig. 6, in technical solution of the present invention, can also comprise shell, this shell is used for holding motor and electric wire etc., and the button of the rotating speed that regulates motor etc. also can be set on this shell.In addition, pallet 2 can be placed horizontally on this shell.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a rotary coating device, is characterized in that, described rotary coating device, for the coating operation of microorganism culturing, comprising:
Motor;
With the pallet that the output shaft of described motor is connected, described pallet is for fixing culture dish and be horizontally disposed with;
Fixed mechanism;
Spreading rod, is fixed on described fixed mechanism, and the coating end of described spreading rod stretches in described culture dish.
2. rotary coating device as claimed in claim 1, is characterized in that, described fixed mechanism comprises:
Column;
Be fixed on the permanent seat of described column;
Anchor, comprises connection section and fixed part, and described connection section is articulated with on described permanent seat, and described fixed part is fixed described spreading rod;
Resilient snubber, is arranged between described permanent seat and described connection section, connection section and permanent seat described in the resilient support of described resilient snubber.
3. rotary coating device as claimed in claim 2, is characterized in that, described resilient snubber is whisker, and described helical spring inboardend is fixed on described permanent seat, and described helical spring free end is connected to described connection section.
4. rotary coating device as claimed in claim 2, is characterized in that, described resilient snubber is torsion spring, and described torsion spring is arranged on stationary shaft, and described stationary shaft is fixed on described permanent seat; Two spring arms of described torsion spring are connected to respectively described connection section and described permanent seat.
5. rotary coating device as claimed in claim 4, is characterized in that, the angle of two spring arm place planes of described torsion spring is 15 °～70 °.
6. rotary coating device as claimed in claim 2, is characterized in that, is provided with the through hole of sheathed described column on described permanent seat; Described fixed mechanism also comprises:
Locking cap, locks described permanent seat in the desired location of described column.
7. rotary coating device as claimed in claim 2, is characterized in that, the inboardend of described spreading rod is yi word pattern inboardend, and described fixed part offers the draw-in groove of the inboardend of the described spreading rod of engaging.
8. rotary coating device as claimed in claim 7, is characterized in that, the coating end of described spreading rod is yi word pattern coating end.
9. rotary coating device as claimed in claim 8, is characterized in that, described spreading rod also comprises the connection handle that connects described inboardend and described coating end, and described connection handle is to have the connection handle of setting angle, and the opening of described angle is towards described culture dish.
10. the rotary coating device as described in claim 1～9 any one, is characterized in that, offers at least the fixedly step trough of culture dish of one-level in described pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339215.6A CN104152343A (en) | 2014-07-16 | 2014-07-16 | Spin coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339215.6A CN104152343A (en) | 2014-07-16 | 2014-07-16 | Spin coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104152343A true CN104152343A (en) | 2014-11-19 |
Family
ID=51877972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410339215.6A Pending CN104152343A (en) | 2014-07-16 | 2014-07-16 | Spin coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104152343A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479988A (en) * | 2014-12-15 | 2015-04-01 | 成都红柿子科技有限公司 | Radio frequency tag culture dish gyroscope |
| CN106434334A (en) * | 2016-12-12 | 2017-02-22 | 郑州同心创远生物科技有限公司 | Strain culture dish for biological medicine |
| CN106967584A (en) * | 2017-05-04 | 2017-07-21 | 南昌大学 | A kind of automated cell suspension blows and beats evenly mixing device |
| CN106995777A (en) * | 2017-06-09 | 2017-08-01 | 钟金凤 | A kind of culture medium punches workbench |
| CN107164215A (en) * | 2017-07-20 | 2017-09-15 | 山东省食品药品检验研究院 | A kind of culture dish coating aid |
| CN110564809A (en) * | 2019-09-18 | 2019-12-13 | 武汉迪艾斯科技有限公司 | rotary streaking inoculation method |
| CN110747114A (en) * | 2019-10-25 | 2020-02-04 | 西北农林科技大学 | Dull and stereotyped coating unit of modularization |
| CN113621483A (en) * | 2021-09-10 | 2021-11-09 | 谢爱军 | Microorganism evenly distributed processing apparatus for microorganism culture |
| CN114058488A (en) * | 2021-12-15 | 2022-02-18 | 肖艳平 | Strain culture device convenient to coat based on enzyme engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850754A (en) * | 1973-01-24 | 1974-11-26 | Nasa | Automatic inoculating apparatus |
| CN1918280A (en) * | 2004-01-22 | 2007-02-21 | 默德威特科技有限公司 | Microbial streaking device |
| CN204052053U (en) * | 2014-07-16 | 2014-12-31 | 北京赛智创业科技有限公司 | A kind of rotary coating device and pallet |
-
2014
- 2014-07-16 CN CN201410339215.6A patent/CN104152343A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850754A (en) * | 1973-01-24 | 1974-11-26 | Nasa | Automatic inoculating apparatus |
| CN1918280A (en) * | 2004-01-22 | 2007-02-21 | 默德威特科技有限公司 | Microbial streaking device |
| CN204052053U (en) * | 2014-07-16 | 2014-12-31 | 北京赛智创业科技有限公司 | A kind of rotary coating device and pallet |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479988A (en) * | 2014-12-15 | 2015-04-01 | 成都红柿子科技有限公司 | Radio frequency tag culture dish gyroscope |
| CN106434334A (en) * | 2016-12-12 | 2017-02-22 | 郑州同心创远生物科技有限公司 | Strain culture dish for biological medicine |
| CN106967584A (en) * | 2017-05-04 | 2017-07-21 | 南昌大学 | A kind of automated cell suspension blows and beats evenly mixing device |
| CN106995777A (en) * | 2017-06-09 | 2017-08-01 | 钟金凤 | A kind of culture medium punches workbench |
| CN107164215A (en) * | 2017-07-20 | 2017-09-15 | 山东省食品药品检验研究院 | A kind of culture dish coating aid |
| CN110564809A (en) * | 2019-09-18 | 2019-12-13 | 武汉迪艾斯科技有限公司 | rotary streaking inoculation method |
| CN110747114A (en) * | 2019-10-25 | 2020-02-04 | 西北农林科技大学 | Dull and stereotyped coating unit of modularization |
| CN110747114B (en) * | 2019-10-25 | 2023-04-04 | 西北农林科技大学 | Dull and stereotyped coating unit of modularization |
| CN113621483A (en) * | 2021-09-10 | 2021-11-09 | 谢爱军 | Microorganism evenly distributed processing apparatus for microorganism culture |
| CN113621483B (en) * | 2021-09-10 | 2024-06-07 | 陕西天和乳业有限公司 | Microorganism is cultivateed with microorganism equipartition processing apparatus |
| CN114058488A (en) * | 2021-12-15 | 2022-02-18 | 肖艳平 | Strain culture device convenient to coat based on enzyme engineering |
| CN114058488B (en) * | 2021-12-15 | 2023-10-13 | 涌源合生科技(深圳)有限公司 | Strain culture device based on enzyme engineering is convenient for coating |
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Application publication date: 20141119 |