CN207439792U - Automated gas divider is tested in stench smell - Google Patents
Automated gas divider is tested in stench smell Download PDFInfo
- Publication number
- CN207439792U CN207439792U CN201721304812.0U CN201721304812U CN207439792U CN 207439792 U CN207439792 U CN 207439792U CN 201721304812 U CN201721304812 U CN 201721304812U CN 207439792 U CN207439792 U CN 207439792U
- Authority
- CN
- China
- Prior art keywords
- babinet
- gas
- foul smell
- peristaltic pump
- controller
- 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.)
- Withdrawn - After Issue
Links
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004806 packaging method and process Methods 0.000 claims abstract description 40
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model is related to arrive a kind of stench smell experiment automated gas divider, belong to instrument and equipment technical field, including distributing instrument, air-source room, odor source attachment device and foul smell packaging system.The utility model is to the accurate recording of foul smell volume, foul smell accesses and configuration is all completed under conditions of opposing seal, gas distributing chamber is not polluted, is conducive to the health of laboratory technician, while solves the inaccuracy of current manual distribution, experimenter's distribution process cumbersome the deficiencies of taking time and effort.It is shown over the display by o controller by the gas flow of peristaltic pump；Time and manpower and materials effectively are saved, are improved work efficiency.
Description
Technical field
The utility model belongs to instrument and equipment technical field, especially relates to a kind of stench smell experiment automatic distributing dress
It puts.
Background technology
With industrial expansion, a part of residential quarter is just influenced by different degrees of odor pollution, seriously affects its people
Living standard jeopardizes national health.Therefore, country increasingly payes attention to the improvement to odor polluting source, strengthens to odor concentration
Measurement, and laboratory worker manually prepare foul smell during caused by error have very big shadow to testing result
It rings, with error, loss, gas production by gas during foul smell injection gas production bag caused by reading during syringe manual withdrawal foul smell
A series of problems, such as bag gas replenishment process hollow gas product can not accurately control causes the inaccuracy of result.
National correlation department is effectively pollution of the control stench odorant pollutant to air, specifies odorant pollutant once
The maximum limitation of discharge, odor concentration limit value, therefore lab assistant will ensure the accurate of testing result when carrying out foul smell experiment
Property, effective control measures are made to odor polluting source will pass through testing result.Tradition air distributing method is in testing result at present
On can not accomplish the accurate credible requirement that much can not meet relevant specification of country, while operate during the experiment numerous
It is trivial, it takes longer；It is new by looking into, there is no both at home and abroad at present it is a can be with the equipment of automatic dilution foul smell.
Therefore there is an urgent need for a kind of new technical solutions to solve the problems, such as this among the prior art.
Utility model content
Technical problem to be solved in the utility model is：A kind of automated gas divider is provided, is matched somebody with somebody automatically by this equipment
Into the foul smell of required extension rate, for solving the cumbersome time-consuming consumption of the inaccuracy of manual distribution, experimenter's distribution process
The technical problems such as power.
Automated gas divider is tested in stench smell, is encapsulated including distributing instrument, air-source room, odor source attachment device and foul smell
Device,
The distributing instrument include housing, air inlet, gas outlet, display screen, keyboard region, input controller, data processor,
Peristaltic pump and o controller；The input controller, data processor, peristaltic pump and o controller are arranged on the interior of housing
Portion；The display screen and keyboard region are arranged on the lateral wall of housing, and display screen is arranged on the top of keyboard region；The key
Panel is connected by data cable with input controller；The input controller is connected with data processor by data cable；It is described
Peristaltic pump is connected by data cable with data processor, and the inlet end of peristaltic pump is connected by conduit with air inlet, peristaltic pump
Output terminal is connected by data cable with o controller, while the outlet side of peristaltic pump is connected by conduit with gas outlet；It is described
O controller is connected by data cable with display screen；The quantity of the air inlet is two, one of air inlet and air
Source room is connected by pipeline, another air inlet is connected by pipeline with odor source attachment device；The foul smell packaging system leads to
Piping is connected with gas outlet；
The odor source attachment device includes babinet I, case lid I, operating gloves I, connecting tube I and ventilation shaft I；The case
The top one side of body I is connected through the hinge with case lid I；The operating gloves I are fixedly connected with the side wall of babinet I；The connection
One end of pipe I is fixedly connected with air inlet, and the other end of connecting tube I is located at the inside of babinet I, is fixed and is connected with odor source collection bag
It connects；Described I one end of ventilation shaft is connected with babinet I, the other end and atmosphere of ventilation shaft I；
The foul smell packaging system includes babinet II, case lid II, operating gloves II, connecting tube II and ventilation shaft II；Institute
The top one side and case lid II for stating babinet II are connected through the hinge；The operating gloves II are fixedly connected with the side wall of case lid II；
One end of the connecting tube II is fixedly connected with gas outlet, and the other end of connecting tube II is located at the inside of babinet II, with preparing gas
Body packaging bag is fixedly connected；One end of the ventilation shaft II is connected with babinet II, and the other end and the air of ventilation shaft II connect
It is logical.
The keyboard region includes number key and function key.
The junction of the babinet I and case lid I is both provided with sealing strip.
The junction of the babinet II and case lid II is both provided with sealing strip.
The operating gloves I and operating gloves II are rubber gloves.
By above-mentioned designing scheme, the utility model can bring following advantageous effect：
For the utility model to the accurate recording of foul smell volume, foul smell access and configuration are complete all under conditions of opposing seal
Into not polluting gas distributing chamber, be conducive to the health of laboratory technician, while solve the inaccuracy of current manual distribution, experiment
Personnel's distribution process cumbersome the deficiencies of taking time and effort.Display is shown in by o controller by the gas flow of peristaltic pump
On；Time and manpower and materials effectively are saved, are improved work efficiency.
Description of the drawings
The utility model is further described below in conjunction with the drawings and specific embodiments：
Fig. 1 is the structure diagram that automated gas divider is tested in the smell of the utility model stench.
Fig. 2 is the external structure schematic diagram that distributing instrument in automated gas divider is tested in the smell of the utility model stench.
Fig. 3 is the internal structure block diagram that distributing instrument in automated gas divider is tested in the smell of the utility model stench.
Fig. 4 is the workflow schematic diagram that distributing instrument in automated gas divider is tested in the smell of the utility model stench.
1- distributing instruments, 2- air-sources room, 3- odor sources attachment device, 4- foul smell packaging system, 101- housings, 102- in figure
Air inlet, 103- gas outlets, 104- display screens, 105- keyboard regions, 106- input controllers, 107- data processors, 108- are compacted
Dynamic pump, 109- o controllers, 301- babinets I, 302- case lids I, 303- operating gloves I, 304- connecting tubes I, 305- ventilation ducts
Road I, 401- babinets II, 402- case lids II, 403- operating gloves II, 404- connecting tubes II, 405- ventilation shafts II, 1051- numbers
Keyboard, 1052- function keys.
Specific embodiment
As shown in the figure, automated gas divider is tested in stench smell, including distributing instrument 1, air-source room 2, odor source connection dress
3 and foul smell packaging system 4 are put,
The distributing instrument 1 includes housing 101, air inlet 102, gas outlet 103, display screen 104, keyboard region 105, input control
Device 106 processed, data processor 107, peristaltic pump 108 and o controller 109；The input controller 106, data processor
107th, peristaltic pump 108 and o controller 109 are arranged on the inside of housing 101；The display screen 104 and keyboard region 105 are set
On the lateral wall of housing 101, and display screen 104 is arranged on the top of keyboard region 105；The keyboard region 105 passes through data
Line is connected with input controller 106；The input controller 106 is connected with data processor 107 by data cable；The wriggling
Pump 108 is connected by data cable with data processor 107, and the inlet end of peristaltic pump 108 is connected by conduit with air inlet 102,
The output terminal of peristaltic pump 108 is connected by data cable with o controller 109, while the outlet side of peristaltic pump 108 passes through conduit
It is connected with gas outlet 103；The o controller 109 is connected by data cable with display screen 104；The number of the air inlet 102
Measure as two, one of air inlet 102 is connected with air-source room 2 by pipeline, another air inlet 102 by pipeline with it is smelly
Source of the gas attachment device 3 connects；The foul smell packaging system 4 is connected by pipeline with gas outlet 103；
The odor source attachment device 3 includes babinet I 301, case lid I 302, operating gloves I 303, connecting tube I 304 and leads to
Wind pipeline I 305；The top one side of the babinet I 301 is connected through the hinge with case lid I 302；The operating gloves I 303 and case
The side wall of body I 301 is fixedly connected；One end of the connecting tube I 304 is fixedly connected with air inlet 102, connecting tube I 304 it is another
End is fixedly connected positioned at the inside of babinet I 301 with odor source collection bag；Described I 305 one end of ventilation shaft connects with babinet I 301
It connects, the other end and atmosphere of ventilation shaft I 305；
The foul smell packaging system 4 includes babinet II 401, case lid II 402, operating gloves II 403, II 404 and of connecting tube
Ventilation shaft II 405；The top one side of the babinet II 401 is connected through the hinge with case lid II 402；The operating gloves II
403 are fixedly connected with the side wall of case lid II 402；One end of the connecting tube II 404 is fixedly connected with gas outlet 103, connecting tube
II 404 other end is located at the inside of babinet II 401, is fixedly connected with preparing gas packaging bag；The ventilation shaft II 405
One end is connected with babinet II 401, the other end and atmosphere of ventilation shaft II 405.
The keyboard region 105 includes number key 1051 and function key 1052.
The junction of the babinet I 301 and case lid I 302 is both provided with sealing strip.
The junction of the babinet II 401 and case lid II 402 is both provided with sealing strip.
The operating gloves I 303 and operating gloves II 403 are rubber gloves.
The operating method of automated gas divider is tested in stench smell, is filled using the stench smell experiment automatic distributing
It puts, comprises the following steps, and following steps sequentially carry out:
Step 1: the odor source collection bag after the completion of acquisition is put into odor source attachment device 3, case lid I 302 is covered, is made
Odor source attachment device 3 seals, and is worn from the outside of odor source attachment device 3 by hand into operating gloves I 303, odor source is gathered
Bag is fixedly connected with the connecting tube I 304 in odor source attachment device 3；
Step 2: being put into foul smell packaging system 4 by gas packaging bag is prepared, case lid II 402 is covered, makes foul smell packaging system
4 sealings, wear from the outside of foul smell packaging system 4 by hand into operating gloves II 403, will prepare gas packaging bag and are filled with foul smell encapsulation
The connecting tube II 404 put in 4 is fixedly connected, and opens ventilation shaft II 405, keeps inside and outside air pressure balance；
Step 3: opening the power button of keyboard region 105, the function key 1052 for the air inlet 102 for connecting air-source room 2 is beaten
It opens, required volume of air is inputted in keyboard region 105, data processor 107 reads the volume of air numerical information of input and transmits
To peristaltic pump 108, peristaltic pump 108 is defeated from air-source room 2 by the pure air of respective volume under the control of o controller 109
Go out to preparation gas packaging bag, and shown in display screen 104 and record volume of air numerical value, close connection air-source room 2
The function key 1052 of air inlet 102；
Step 4: opening the function key 1052 for the air inlet 102 being connected with odor source attachment device 3, while open ventilation
Pipeline I 305 keeps inside and outside air pressure balance, and required foul smell volume is inputted in keyboard region 105, and data processor 107 reads input
Foul smell volume data information is simultaneously transferred to peristaltic pump 108, and peristaltic pump 108 is under the control of o controller 109 by respective volume
Foul smell from the odor source collection bag in odor source attachment device 3 through output to gas packaging bag is prepared, and in display screen 104
It shows and records foul smell volumetric quantities, close the function key 1052 for the air inlet 102 being connected with odor source attachment device 3, will match somebody with somebody
The sack that gas packaging bag processed clogs preparation gas packaging bag with plug is packaged, and prepares the mixed gas in gas packaging bag
For the foul smell of required extension rate；
Step 5: repeat step 3 and step 4；
Step 6: removing and sealing odor source collection bag from connecting tube I 304, ventilation shaft I 305 and ventilation are kept
Pipeline II 405 is in opening, divulges information 5 minutes or more to odor source attachment device 3 and foul smell packaging system 4；
It Step 7: closing instrument power source, opens odor source attachment device 3 and takes out odor source collection bag, open foul smell encapsulation
Device 4, which takes out, prepares gas packaging bag.
The step 3 and step 4 is repeat step, and the number that step repeats is according to odour in odor source collection bag
Foul smell extension rate determines in the number of long-pending, required preparation gas packaging bag and preparation gas packaging bag.
Embodiment one prepares six bags of 3L, the foul smell of 100 times of dilution：
Step 1: the odor source collection bag after the completion of acquisition is put into odor source attachment device 3, the body of odor source collection bag
Product be more than 20L, cover case lid I 302, seal odor source attachment device 3, from the outside of odor source attachment device 3 by hand wear into
Odor source collection bag is fixedly connected by operating gloves I 303 with the connecting tube I 304 in odor source attachment device 3；
Step 2: the preparation gas packaging bag of 6 3L is disposably put into foul smell packaging system 4, case lid II 402 is covered,
Foul smell packaging system 4 is sealed, is worn from the outside of foul smell packaging system 4 by hand into operating gloves II 403, gas encapsulation will be prepared
Bag is fixedly connected with the connecting tube II 404 in foul smell packaging system 4, and opens ventilation shaft II 405, and inner and outer air pressure is kept to put down
Weighing apparatus.
Step 3: opening the power button of keyboard region 105, the function key 1052 for the air inlet 102 for connecting air-source room 2 is beaten
It opens, required volume of air 3L is inputted in keyboard region 105, the volume of air numerical information that data processor 107 reads input simultaneously passes
It is defeated to peristaltic pump 108, peristaltic pump 108 exports 3L pure airs to matching somebody with somebody from air-source room 2 under the control of o controller 109
Gas packaging bag processed, and shown in display screen 104 and record volume of air numerical value 3L, close the air inlet in connection air-source room 2
The function key 1052 of mouth 102；
Step 4: opening the function key 1052 for the air inlet 102 being connected with odor source attachment device 3, while open ventilation
Pipeline I 305 keeps inside and outside air pressure balance, required foul smell volume 30ml is inputted in keyboard region 105, data processor 107 reads defeated
The foul smell volume data information that enters simultaneously is transferred to peristaltic pump 108, and peristaltic pump 108 is under the control of o controller 109 by 30ml
Foul smell from the odor source collection bag in odor source attachment device 3 through output to gas packaging bag is prepared, and in display screen 104
It shows and records foul smell volumetric quantities 30ml, close the function key 1052 for the air inlet 102 being connected with odor source attachment device 3,
Gas packaging bag will be prepared with plug and clogged and prepared the sack of gas packaging bag and be packaged, due to foul smell volume I to ignore
Disregard, prepare the mixed gas in gas packaging bag to dilute 100 times of foul smell；
It is sleeved on Step 5: taking one to prepare gas packaging bag again in connecting tube II 404, repeats step 3 and step 4,
It is repeated again after the completion of configuration, number of repetition is altogether six times；
Step 6: removing and sealing odor source collection bag from connecting tube I 304, continue to keep I 305 He of ventilation shaft
Ventilation shaft II 405 is in opening, divulges information 5 minutes or more to odor source attachment device 3 and foul smell packaging system 4；
It Step 7: closing instrument power source, opens odor source attachment device 3 and takes out odor source collection bag, open foul smell encapsulation
Device 4 takes out six bags of preparation gas packaging bags.
The foul smell method for diluting other multiples is identical with one method of embodiment.The assay method of foul smell is according to national standard measure side
Method carries out.
Conduit used is food grade silicone pipe in the present apparatus, non-toxic and tasteless, soft, and elasticity is good, and resistance to kink is indeformable and close
Envelope property is good；For thunder, not this pump of peristaltic pump using control pulse mode, coordinates distinctive motor gyration vector to control to peristaltic pump used
Technology and automatic correction system, flow error scope are smaller than +/- 0.5%.
Claims (5)
1. automated gas divider is tested in stench smell, it is characterized in that：Including distributing instrument (1), air-source room (2), odor source connection
Device (3) and foul smell packaging system (4),
The distributing instrument (1) includes housing (101), air inlet (102), gas outlet (103), display screen (104), keyboard region
(105), input controller (106), data processor (107), peristaltic pump (108) and o controller (109)；The input control
Device (106) processed, data processor (107), peristaltic pump (108) and o controller (109) are arranged on the inside of housing (101)；
The display screen (104) and keyboard region (105) are arranged on the lateral wall of housing (101), and display screen (104) is arranged on key
The top in panel (105)；The keyboard region (105) is connected by data cable with input controller (106)；The input controller
(106) it is connected with data processor (107) by data cable；The peristaltic pump (108) passes through data cable and data processor
(107) connect, the inlet end of peristaltic pump (108) is connected by conduit with air inlet (102), and the output terminal of peristaltic pump (108) leads to
It crosses data cable to be connected with o controller (109), while the outlet side of peristaltic pump (108) is connected by conduit and gas outlet (103)
It connects；The o controller (109) is connected by data cable with display screen (104)；The quantity of the air inlet (102) is two
A, one of air inlet (102) is connected with air-source room (2) by pipeline, another air inlet (102) by pipeline with it is smelly
Source of the gas attachment device (3) connects；The foul smell packaging system (4) is connected by pipeline with gas outlet (103)；
The odor source attachment device (3) includes babinet I (301), case lid I (302), operating gloves I (303), connecting tube I
(304) and ventilation shaft I (305)；The top one side of the babinet I (301) is connected through the hinge with case lid I (302)；The behaviour
The side wall for making gloves I (303) with babinet I (301) is fixedly connected；One end of the connecting tube I (304) is solid with air inlet (102)
Fixed connection, the other end of connecting tube I (304) are located at the inside of babinet I (301), are fixedly connected with odor source collection bag；It is described logical
Wind pipeline I (305) one end is connected with babinet I (301), the other end and atmosphere of ventilation shaft I (305)；
The foul smell packaging system (4) includes babinet II (401), case lid II (402), operating gloves II (403), connecting tube II
(404) and ventilation shaft II (405)；The top one side of the babinet II (401) is connected through the hinge with case lid II (402)；Institute
The side wall that operating gloves II (403) are stated with case lid II (402) is fixedly connected；One end and gas outlet of the connecting tube II (404)
(103) it is fixedly connected, the other end of connecting tube II (404) is located at the inside of babinet II (401), is fixed with preparing gas packaging bag
Connection；One end of the ventilation shaft II (405) is connected with babinet II (401), the other end and air of ventilation shaft II (405)
Connection.
2. automated gas divider is tested in stench smell according to claim 1, it is characterized in that：Keyboard region (105) bag
Include number key (1051) and function key (1052).
3. automated gas divider is tested in stench smell according to claim 1, it is characterized in that：The babinet I (301) and case
The junction of lid I (302) is both provided with sealing strip.
4. automated gas divider is tested in stench smell according to claim 1, it is characterized in that：The babinet II (401) with
The junction of case lid II (402) is both provided with sealing strip.
5. automated gas divider is tested in stench smell according to claim 1, it is characterized in that：The operating gloves I (303)
It is rubber gloves with operating gloves II (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304812.0U CN207439792U (en) | 2017-10-11 | 2017-10-11 | Automated gas divider is tested in stench smell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304812.0U CN207439792U (en) | 2017-10-11 | 2017-10-11 | Automated gas divider is tested in stench smell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439792U true CN207439792U (en) | 2018-06-01 |
Family
ID=62295681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721304812.0U Withdrawn - After Issue CN207439792U (en) | 2017-10-11 | 2017-10-11 | Automated gas divider is tested in stench smell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525709A (en) * | 2017-10-11 | 2017-12-29 | 吉林省安全生产检测检验股份有限公司 | Automated gas divider and its operating method are tested in stench smell |
-
2017
- 2017-10-11 CN CN201721304812.0U patent/CN207439792U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525709A (en) * | 2017-10-11 | 2017-12-29 | 吉林省安全生产检测检验股份有限公司 | Automated gas divider and its operating method are tested in stench smell |
| CN107525709B (en) * | 2017-10-11 | 2023-12-19 | 吉林省安全生产检测检验股份有限公司 | Automatic air distribution device for malodor smell experiment and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111748473B (en) | Medical cell culture equipment and cell culture method | |
| CN207439792U (en) | Automated gas divider is tested in stench smell | |
| CN206828536U (en) | A kind of coliform detection means | |
| CN107389386A (en) | Soil Trace Gases harvester and method | |
| CN107525709A (en) | Automated gas divider and its operating method are tested in stench smell | |
| CN208292833U (en) | A kind of high experimental provision containing solid anaerobic sludge digestion | |
| CN207567234U (en) | A kind of parallel reactor system | |
| CN207866583U (en) | A kind of sample automatic acquisition device | |
| CN205079981U (en) | Urine collection device of waste liquid can reject | |
| CN205139122U (en) | Little biological detection device of food | |
| CN218899516U (en) | Urine sampling tool | |
| CN205538924U (en) | Detect scavenging material purifying effect's device | |
| CN206601494U (en) | A kind of device for testing building materials precipitation rate of radon | |
| CN112619506B (en) | Liquid adding and mixing equipment and using method thereof | |
| CN214309815U (en) | Automatic liquid feeding and mixing device | |
| CN209027641U (en) | A kind of water meter in-line calibration structure | |
| CN210356209U (en) | Suction filtration device for quantitatively analyzing change of water content of sludge combined water | |
| CN208459092U (en) | Volatile organic matter sampler | |
| CN104807681B (en) | Automatic vacuum degassing instrument for coal bed gas or shale gas and corresponding vacuum degassing method | |
| CN208689038U (en) | A kind of greenhouse gas emission potted plant experiment research device | |
| CN209085700U (en) | A kind of laboratory scale gas volume self-measuring device | |
| CN207095911U (en) | A kind of quantitative aseptic sampling system | |
| CN213398433U (en) | Double-drum smell sniffing instrument | |
| CN206701306U (en) | A kind of censorship test tube | |
| CN209673653U (en) | A kind of constant temperature titration outfit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |