CN110252217A - Simulated aerosol generating device - Google Patents
Simulated aerosol generating device Download PDFInfo
- Publication number
- CN110252217A CN110252217A CN201910534612.1A CN201910534612A CN110252217A CN 110252217 A CN110252217 A CN 110252217A CN 201910534612 A CN201910534612 A CN 201910534612A CN 110252217 A CN110252217 A CN 110252217A
- Authority
- CN
- China
- Prior art keywords
- generating device
- aerosol generating
- dropping liquid
- spinning disk
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000443 aerosol Substances 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000009987 spinning Methods 0.000 claims description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 230000003028 elevating effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 2
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 33
- 239000012528 membrane Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012387 aerosolization Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- MFRCZYUUKMFJQJ-UHFFFAOYSA-N 1,4-dioxane-2,5-dione;1,3-dioxan-2-one Chemical compound O=C1OCCCO1.O=C1COC(=O)CO1 MFRCZYUUKMFJQJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000001524 infective effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002940 palladium Chemical class 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a simulated aerosol generating device, which comprises a vortex disc and a liquid dropping nozzle; the liquid dropping nozzle is suspended at the top of the vortex disc, and the liquid outlet is opposite to the vortex disc; the vortex disk is driven to rotate by a motor. The device is particularly suitable for a leakage detection test of the biosafety cabinet, is made of all-metal materials and is not easy to damage; the device has the advantages that the structure is simple, the assembly, the disassembly and the operation are simple and convenient, the aerosol generation simulation effect is good, the control device drives the peristaltic pump to feed liquid, and the drive motor to rotate the vortex disc, so that the generation of aerosol is simulated; the simulation effect has certain adjustability, meets the standard and standard requirements, and has strong practicability and wide applicability.
Description
Technical field
The present invention relates to a kind of simulation aerosol generating devices, and in particular to a kind of Biohazard Safety Equipment leak detection test mould
Quasi- aerosol generating device, belongs to technical field of quality detection.
Background technique
Biohazard Safety Equipment (biological safety cabin.BSC) be can prevent it is certain in experimental implementation treatment process
The box air cleaning negative pressure safety means of aerosol dissipation occur containing risk or non-intellectual biological particle.The device is
When operating or examining has infective microorganism, it is used to protection staff, laboratory environment and extraneous natural environment, experiment
Sample avoids exposure to issuable aerosol and the device for splashing out substance and designing during aforesaid operations.The reason is that behaviour
Author's naked eyes can not see 5 μm of diameter of aerosol and the small dropping liquid that diameter is 5-100 μm, so Biohazard Safety Equipment is let out
Dew index is to examine one of the important indicator of its quality.
Biohazard Safety Equipment is divided into three-level: I grade of Biohazard Safety Equipment, II grade of Biohazard Safety Equipment and III grade of Biohazard Safety Equipment.
I grade of Biohazard Safety Equipment has front window operation port, and operator can be operated in safety cabinet by front window operation port.Before
The safety for the negative pressure gas flow protection operator that window operation port is drawn inwardly to;Peace is discharged in discharge air-flow after high efficiency particulate air filter filters
Full cabinet protects environment.
II grade of Biohazard Safety Equipment has front window operation port, and operator can be operated in safety cabinet by front window operation port,
The safety for the negative pressure gas flow protection operator that front window operation port is drawn inwardly to;Through high efficiency particulate air filter filtering down current to
It protects and tests article in safety cabinet;Safety cabinet is discharged after high efficiency particulate air filter filters to protect environment in air-flow.
III grade of Biohazard Safety Equipment is vent cabinet that is totally-enclosed, not revealing structure.Operator by with cabinet body airtight connection
Gloves implement operation in safety cabinet.It is real in safety cabinet to protect that down current enters safety cabinet after high efficiency particulate air filter filters
Test article;Discharge air-flow is through twice high efficiency particulate air filter or one of high efficiency particulate air filter filtering again through burning disposal for protecting environment.
Biohazard Safety Equipment belongs to high risk equipment, to guarantee that staff and laboratory environment are not contaminated, pacifies to biology
The leakage control of full cabinet is necessary.
According to correlation as defined in People's Republic of China (PRC) pharmaceuticals industry standard YY 0569-2011 " II grade of Biohazard Safety Equipment "
Specification carries out the leak detection of Biohazard Safety Equipment using potassium iodide method.Biohazard Safety Equipment is tested and measured using potassium iodide method
Protective capacities can be used to test I type and II type front window open type Biohazard Safety Equipment.It is different from the experiment of common microorganism testing,
Potassium iodide method of testing will be appreciated that it is the test method that can uniquely verify Biohazard Safety Equipment protective performance on the spot, can
To provide reliable testing result in a relatively short period of time.The incubation time of 48 hours is needed using the method for microculture
When detecting clump count, potassium iodide method of testing obtains believable testing result in upon start 30 minutes, and use
Potassium iodide will not pollute laboratory environment.
Key instrument in potassium iodide method test are as follows:
Aerosol generator can be incited somebody to action by diameter 38mm with the spinning disk of ± 500 r/min speed of 28000r/min rotation and one
Liquor kalii iodide is ejected into the nozzle on spinning disk and forms, and the gap of nozzle end and spinning disk is adjusted to 0.1mm.
Air sampler: being worked using centripetal force principle, and the air mass flow of front entrance is 100L/min, a conical pipe
This air of entrainment 3%.
Interfere cylinder: diameter 60mm~65mm, show it is smooth, it is at least closed at one end, supported by bracket.
Petri dish: diameter 55mm.
Filter membrane: diameter 25mm, 3 μm of aperture.
Potassium iodide method test procedure:
Start safety cabinet, makes its operation to normal operating state.
Make air sampler air-breathing, starts spinning disk.After waiting 15 seconds, enter potassium iodide in the middle part of spinning disk, allows
The potassium iodide of 20mL is aerosolized.Air sampler stops suction after aerosolized end 15 seconds.Until aspiration pump stops completely
After coming, filter membrane is removed.
The filter membrane removed on one sampler is put into the petri dish for filling palladium chloride solution, air-flow is exposed to
In it is face-up.That sampler for removing filter membrane is marked.
Filter membrane will be chlorinated palladium saturation in 30 seconds~50 seconds, and all potassium iodide particles will become the visible spot of brown
Point.Filter membrane is put into distilled water and is impregnated with 3 seconds~4 seconds, then filter membrane is placed on clean filter paper dry.Other air
The filter membrane taken off on sampler also does identical processing.
This just needs a kind of potassium iodide drop formed equipped with nozzle to form uniform aerosol under spinning disk effect and fill
It sets, tests whether Biohazard Safety Equipment has leakage with this to simulate aerosol, if be contaminated.Device is placed on biology to be detected
The centre of safety cabinet, a height-adjustable bracket being equipped with by device, so that spinning disk and biology that device is equipped with are pacified
Full cabinet front opening top edge is horizontal.
Summary of the invention
To solve the deficiencies in the prior art, being suitable for for code requirement is complied with standard the purpose of the present invention is to provide a kind of
The simulation aerosol generating device of Biohazard Safety Equipment leak detection test.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of simulation aerosol generating device, including spinning disk, dropping liquid nozzle;
The dropping liquid nozzle is suspended at the top of spinning disk, liquid outlet face spinning disk;
Rotation is driven by motor in the spinning disk.
The sap cavity of above-mentioned dropping liquid nozzle is in cylinder, and the liquid outlet of bottom is tapered, and the inlet at top is in pagoda type joint.
The inlet tube of the inlet tape splicing peristaltic pump of above-mentioned dropping liquid nozzle.
Vortex pan bottom described above, motor shaft are respectively equipped with belt wheel,
Spinning disk is driven by motor shaft by wheel belt.
A kind of above-mentioned simulation aerosol generating device, further includes pedestal and dropping liquid bracket;
The pedestal is equipped with motor slot and vortex dish groove;
One end of dropping liquid bracket is fixed on the base, and the other end is equipped with the through-hole for accommodating dropping liquid nozzle, and is suspended at vortex dish groove
Top.
Further, above-mentioned dropping liquid nozzle is fixed in through-hole by fastening screw.
It further, further include crane;
The pedestal using the elevating lever of crane as axis, fix by axis.
It further, further include the control device for controlling motor and peristaltic pump;The peristaltic pump is passed through by control device
Stepper motor driving.
A kind of above-mentioned simulation aerosol generating device is suitable for Biohazard Safety Equipment leak detection and tests.
The invention has the beneficial effects that:
A kind of simulation aerosol generating device of the invention is particularly suitable for the test of Biohazard Safety Equipment leak detection, and device is by complete
Metal material is made, and is not easy to damage;Its structure is simple, and assembling dismantles, is simple to operate, and simulation aerosol generation effect is good,
By driving peristaltic pump and motor, simulation effect has certain controllability, complies with standard code requirement, has very strong reality
With property and wide applicability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of simulation aerosol generating device of the invention.
Fig. 2 is the structural schematic diagram of dropping liquid bracket of the invention (a is side view, and b is top view).
Fig. 3 is the structural schematic diagram of motor drive module of the invention.
Attached meaning marked in the figure is as follows: 1, motor, 2, big belt wheel, 3, pedestal, 4, elevating lever, 5, pedestal, 6, peristaltic pump,
7, wheel belt, 8, small pulley, 9, spinning disk, 10, dropping liquid nozzle, 11, dropping liquid bracket, 12, inlet, 13, fastening screw, 14, logical
Hole.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
It is a kind of suitable for Biohazard Safety Equipment leak detection test simulation aerosol generating device, by 1 transmission module of motor,
Nozzle dropping liquid module, rack module and control device composition.
1, motor drive module
Motor drive module is made of four parts: Double-head shaft-protruding drag cup miniature DC motor 1, synchronous pulley, rolling bearing
And spinning disk 9.
Wherein, DC motor of the Double-head shaft-protruding drag cup miniature DC motor 1 using the pure import of maxon, front output shaft diameter
For 3mm, axial length 13mm;Go out shaft diameter 3mm, axial length 15mm afterwards;Fuselage diameter 25mm, long 54mm.
There are three component parts for synchronous pulley: big belt wheel 2, wheel belt 7 and small pulley 8.
The rear shaft of Double-head shaft-protruding drag cup miniature DC motor 1 is inserted directly into the core wheel gap of big belt wheel 2, and passes through
AB glue is fixed.
Spinning disk 9 is the spinning disk 9 that a diameter is 38mm, the super thin metal thin slice of thickness 0.1mm is formed, and passes through AB glue
It is fixed on the axle cap for the T-type axis that a diameter is 6mm, the core wheel gap of long axis the insertion rolling bearing and small pulley 8 of T-type axis
Place, is fixed by AB glue.
In this way, Double-head shaft-protruding drag cup miniature DC motor 1 drives synchronous pulley high-speed drive, driven by small pulley 8
Fixed 9 module high speed rotation of spinning disk.
2, nozzle dropping liquid module
There are two parts to form for nozzle dropping liquid module: 6 feed liquor component of dropping liquid nozzle 10 and peristaltic pump.
The sap cavity of dropping liquid nozzle 10 is in bar shape, and internal diameter 1.5mm, outer diameter 12.8mm, cylinder length are 11.2mm;Its
The internal diameter of the pagoda type joint inlet 12 at top is 1.5mm, outer diameter 3.5mm, length 7mm;The taper liquid outlet of bottom
Centrum length be 5.8mm, centrum liquid droping port diameter is 0.6mm.
Peristaltic pump feed liquor component is the inlet tube with peristaltic pump 6, and inlet tube is connect with pagoda type joint, and peristaltic pump 6 is by step
Into motor driven.
3, rack module
Mainly there are two parts to form for rack module: dropping liquid bracket 11, pedestal 3 and crane.
The both ends setting motor slot and vortex dish groove of pedestal 3, accommodate 1 He of Double-head shaft-protruding drag cup miniature DC motor respectively
Spinning disk 9 and its corresponding belt wheel;The tape track for accommodating wheel belt 7 is equipped between motor slot and vortex dish groove.
It is the nozzle installation through-hole 14 of 13mm that, which there is an internal diameter in 11 one end of dropping liquid bracket, and dropping liquid nozzle 10 passes through perforation through-hole
The fastening screw 13 or AB glue of 14 side walls are directly anchored in through-hole 14.11 other end of dropping liquid bracket there are two rack mounting apertures,
The corresponding position of pedestal 3 is mounted on by the shim liner of screw and a 0.1mm, so that nozzle installation through-hole 14 is suspended at spinning disk
The top that the top of 9 slots, i.e. dropping liquid nozzle 10 are suspended at spinning disk 9.
Crane is made of pedestal 5 and elevating lever 4, L-shaped;The outer diameter of elevating lever 4 is 15mm, is highly 250mm;It rises
It is 10mm that the bottom for dropping bar 4, which is equipped with an outer diameter, and length is the stud of 13mm, so that elevating lever 4 can be thread directly into pedestal 5 accordingly
Screw hole in.Pedestal 3 is that 15mm mounting hole is directly installed on adjustment height bracket elevating lever 4 by opening an internal diameter, adjustment
To suitable height, fixed by " T " fastening stud.
4, control device
Control device is responsible for the work of whole device, powers to Double-head shaft-protruding drag cup miniature DC motor 1 and drives peristaltic pump 6
Work.
Control device controls the power supply of Double-head shaft-protruding drag cup miniature DC motor 1, Double-head shaft-protruding drag cup minisize dc
Motor 1 exports fixed revolving speed, by the ratio coverage of synchronous pulley, so that the control of 9 revolving speed of spinning disk is in 28000 ± 500 r/
min。
Control device drives peristaltic pump 6 to work by control stepper motor number of steps, soft to the elasticity conveying of peristaltic pump 6
Pipe alternately squeezes and releases to pump fluid, sectional " pillow " shape fluid is formed, according to code requirement, the present apparatus
It is 10 minutes feed liquor 20ml that control circuit module, which drives the index of 6 feed liquor of peristaltic pump,.
When use:
Motor drive module is installed in the pedestal 3 of rack module;Pedestal 3 directly packs on elevating lever 4, and tightens fastening spiral shell
Column is fixed;
Dropping liquid bracket 11 is mounted on to the corresponding place of pedestal 3, tightens screw;By the inlet tube and drop of 6 feed liquor component of peristaltic pump
The inlet 12 of nozzle for liquid 10 connects, and device installs.
Start the test of Biohazard Safety Equipment leak detection, by a kind of mounted Biohazard Safety Equipment leak detection test simulation gas
Colloidal sol generating device is placed among Biohazard Safety Equipment, the center of 9 core of spinning disk face interference cylinder above interference cylinder, whirlpool
The forward position of flow table 9 is located at 100mm after Biohazard Safety Equipment front opening plane, and regulating device height to spinning disk 9 is opened with front
Mouth top edge is horizontal.
Open control circuit module, spinning disk 9 keep the revolving speed rotation of 28000 ± 500 r/min, 6 inlet tube of peristaltic pump
Feed flow is carried out to dropping liquid nozzle 10;Conical nozzle dripping completes aerosolization by high-speed rotating 9 moment of spinning disk
Journey achievees the effect that simulate aerosol, so that liquor kalii iodide is able to aerosolization in test, is adequately distributed in biological peace
In full cabinet.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (9)
1. a kind of simulation aerosol generating device, which is characterized in that including spinning disk, dropping liquid nozzle;
The dropping liquid nozzle is suspended at the top of spinning disk, liquid outlet face spinning disk;
Rotation is driven by motor in the spinning disk.
2. a kind of simulation aerosol generating device according to claim 1, which is characterized in that the sap cavity of the dropping liquid nozzle
In cylinder, the liquid outlet of bottom is tapered, and the inlet at top is in pagoda type joint.
3. a kind of simulation aerosol generating device according to claim 1, which is characterized in that the feed liquor of the dropping liquid nozzle
The inlet tube of mouth tape splicing peristaltic pump.
4. a kind of simulation aerosol generating device according to claim 1, which is characterized in that spinning disk bottom
Portion, motor shaft are respectively equipped with belt wheel,
Spinning disk is driven by motor shaft by wheel belt.
5. a kind of simulation aerosol generating device according to claim 1, which is characterized in that further include pedestal and dropping liquid branch
Frame;
The pedestal is equipped with motor slot and vortex dish groove;
One end of dropping liquid bracket is fixed on the base, and the other end is equipped with the through-hole for accommodating dropping liquid nozzle, and is suspended at vortex dish groove
Top.
6. a kind of simulation aerosol generating device according to claim 5, which is characterized in that the dropping liquid nozzle passes through tight
Gu screw is fixed in through-hole.
7. a kind of simulation aerosol generating device according to claim 5, which is characterized in that further include crane;
The pedestal using the elevating lever of crane as axis, fix by axis.
8. -7 any a kind of simulation aerosol generating device according to claim 1, which is characterized in that further include control electricity
The control device of machine and peristaltic pump;
The peristaltic pump is driven by control device by stepper motor.
9. a kind of simulation aerosol generating device according to claim 1, which is characterized in that let out suitable for Biohazard Safety Equipment
Dew detection test.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910534612.1A CN110252217A (en) | 2019-06-20 | 2019-06-20 | Simulated aerosol generating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910534612.1A CN110252217A (en) | 2019-06-20 | 2019-06-20 | Simulated aerosol generating device |
Publications (1)
Publication Number | Publication Date |
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CN110252217A true CN110252217A (en) | 2019-09-20 |
Family
ID=67919595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910534612.1A Pending CN110252217A (en) | 2019-06-20 | 2019-06-20 | Simulated aerosol generating device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113145029A (en) * | 2021-04-01 | 2021-07-23 | 中国人民解放军军事科学院军事医学研究院 | Microbial aerosol generating device |
Citations (3)
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---|---|---|---|---|
CN104525065A (en) * | 2014-12-25 | 2015-04-22 | 西安交通大学医学院第二附属医院 | Bisphosphate microbial aerosol generator |
CN109675341A (en) * | 2019-02-18 | 2019-04-26 | 济南阿尔瓦仪器有限公司 | A kind of novel liquid-liquid abstraction instrument |
CN210632085U (en) * | 2019-06-20 | 2020-05-29 | 南京信息职业技术学院 | Simulated aerosol generating device |
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2019
- 2019-06-20 CN CN201910534612.1A patent/CN110252217A/en active Pending
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CN104525065A (en) * | 2014-12-25 | 2015-04-22 | 西安交通大学医学院第二附属医院 | Bisphosphate microbial aerosol generator |
CN109675341A (en) * | 2019-02-18 | 2019-04-26 | 济南阿尔瓦仪器有限公司 | A kind of novel liquid-liquid abstraction instrument |
CN210632085U (en) * | 2019-06-20 | 2020-05-29 | 南京信息职业技术学院 | Simulated aerosol generating device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113145029A (en) * | 2021-04-01 | 2021-07-23 | 中国人民解放军军事科学院军事医学研究院 | Microbial aerosol generating device |
CN113145029B (en) * | 2021-04-01 | 2022-05-27 | 中国人民解放军军事科学院军事医学研究院 | Microbial aerosol generating device |
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Application publication date: 20190920 |