CN107315026A - Self-ignition point test instrument and its application method - Google Patents
Self-ignition point test instrument and its application method Download PDFInfo
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- CN107315026A CN107315026A CN201710592047.5A CN201710592047A CN107315026A CN 107315026 A CN107315026 A CN 107315026A CN 201710592047 A CN201710592047 A CN 201710592047A CN 107315026 A CN107315026 A CN 107315026A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
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Abstract
The invention discloses self-ignition point test instrument, including test mechanism, controlling organization, elevating mechanism；The test mechanism includes experiment flask, heater, attemperator, observe device, the controlling organization includes controlling switch and main control unit, the controlling switch includes three-in-one switch, emergency stop switch, self-lock switch, the main control unit includes industrial panel computer, external USB interface, motor, isolating transmitter, power regulator, PID temperature control modules, first thermocouple, second thermocouple, three thermocouple, 4th thermocouple, mainboard, relay board, barometric pressure sensor, the elevating mechanism is arranged on chassis, the elevating mechanism includes motor, motor gear, screw gear and photoelectric tube；The invention provides a kind of self-ignition point test instrument accurately tested.
Description
Technical field
Field is monitored the present invention relates to self-ignition point, in particular, it is related to self-ignition point test instrument.
Background technology
Self-ignition point is one of important dangerous parameter of chemicals, by the height of self-ignition point, can determine whether the article in life
Can occur spontaneous combustion in production, storage, transport, to determine security control condition.Self-ignition point test instrument on domestic market
Universal accuracy of detection is low, and efficiency is low, and security is poor, and existing equipment has been difficult to meet calibrating requirement, is accorded with the urgent need to using
Standardization requirement, the detection device for adapting to era development to carry out hazard property detection and Package Classification to these materials.Therefore
Need to continue new self-ignition point test instrument to meet market and meet international new standard.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of self-ignition point test instrument accurately tested.
Technical scheme is as follows：
Self-ignition point test instrument, including test mechanism, controlling organization, elevating mechanism；The test mechanism includes experiment flask, heating
Device, attemperator, observation device, the experiment flask are placed in heater, and the attemperator wraps heating dress
Put, the observation device is arranged on the top of test instrument, one end of observation device is arranged on experiment flask；The controlling organization
Including controlling switch and main control unit, the controlling switch includes three-in-one switch, emergency stop switch, self-lock switch, described three
Unification switch is arranged on instrument side, and the emergency stop switch is arranged on above instrument, and the self-lock switch is arranged on instrument
Front, the main control unit include industrial panel computer, external USB interface, motor, isolating transmitter, power regulator,
PID temperature control modules, the first thermocouple, the second thermocouple, three thermocouple, the 4th thermocouple, mainboard, relay board, atmospheric pressure
Force snesor, the external USB interface, motor, isolating transmitter, power regulator, PID temperature control modules, the first thermocouple,
Second thermocouple, three thermocouple, the 4th thermocouple, relay board, barometric pressure sensor and mainboard are electrically connected with, and by it
Control；The elevating mechanism is arranged on chassis, and the elevating mechanism includes motor, motor gear, screw gear and light
Electricity is to pipe, and the motor gear drives screw gear to be rotated by motor, and the chassis is provided with the footing of load-bearing,
The footing includes connecting pole and cylindrical chassis, and the diameter of the connecting pole is less than cylindrical chassis.
Further, the attemperator in the test mechanism includes heating cavity and heat-preservation cotton, the heating cavity
Wrapped up by heat-preservation cotton outside.
Further, the heater of the test mechanism includes upper lid heating plate, lower cover heating plate and ceramic heat circle,
The upper lid heating plate is placed on the top of experiment flask, and the lower cover heating plate is placed on experiment drag, the ceramics
Heating collar is placed on the middle part of heating cavity.
Further, the 4th the installation of TC of the main control unit is in instrument tip, in monitoring test flask
Temperature.
Further, the observation device includes camera and speculum, and the camera is arranged at the top of self-ignition point test instrument,
The top of the self-ignition point test instrument sets upper lid lifting member, and the speculum is arranged in upper lid lifting member, and the camera leads to
Speculum Real Time Observation is crossed to the Test condition in experiment flask.
Further, the first the installation of TC of the main control unit is testing the neck of flask, main control unit
Second the installation of TC is at the middle part of experiment flask, the temperature of the first thermocouple and the second thermocouple to monitor heating cavity.
The outer surface of second thermocouple and experiment flask is in close contact.
Further, the three thermocouple of the main control unit is arranged on the center of experiment drag.
Further, the controlling organization also includes power control, and the power control includes the first power supply
Control module and second source control module, the first energy supply control module are used to power for control system, second source control mould
Block is motherboard power supply, for main board power supply.
Further, in addition to alarm device, the alarm device uses buzzer.
The application method of self-ignition point test instrument, specifically includes following steps：
Start：Confirm that the application program of current test instrument is successfully opened, and be attached with industrial panel computer, made
Obtain industrial panel computer and test instrument successful connection；
Test instrument is set：By substances, the relevant information such as form is filled in, and adjusts the angle of camera and speculum,
Confirm whether four thermocouple locations are correct；
Start experiment：By self-lock switch, to ensure test instrument, and start to enter trip temperature lifting by heater, work as arrival
After design temperature, alarm device is that buzzer can ring two sound, using syringe liquid delivery or gaseous sample into sample bottle, and
It is rapid to press timing button, program self-clocking and by observing device automatic recording video；
Next round is tested：After setting time is reached, buzzer can ring a sound again, represent that Current Temperatures experimental tests terminates, instrument
Automatic heating (or cooling) enters next temperature experimental tests；
Off-test：More than repeating、Operation until program prompting " self-ignition point has been found, if at such a temperature
Do 5 verification experimental verification this self-ignition points ", as needed selection " it is determined that " or " cancellation ".As click on " it is determined that " if can be in autoignition temperature
It is lower to carry out 5 experiments, " whether increasing amount of samples " is pointed out if clicking on " cancellation ", click on " it is determined that " program prompting increase sample
Consumption, continues to test, and clicks on " cancellation " experiment and completes.Upper lid lifting member is risen by elevating mechanism, until experiment flask temperature
Safely removed again when being down to room temperature；
Advantage is the present invention compared with prior art：Test cavity and distinguish vertical pipe type temperature control using three, it is ensured that inside cavity each point
Thermograde, coordinate the multigroup superfine area's temperature keeping temperature of thermocouple quick regulation three of an equally accurate uniform, and in cavity
Portion is completely insulated, removes the factor that any electrostatic etc. may be impacted to result of the test accuracy；With reference to a variety of typical combustions
Characteristic model, builds from the fireworks discrimination algorithm ground, hot flame and cool flame can be differentiated automatically, hot flame autoignition temperature is accurately provided
（AIT）, cool flame autoignition temperature（CFT）, reliability classification foundation is provided for testing crew；Using remote video transmission technology by sample
Combustion process instant playback is on handheld terminal（Pad）, testing crew is more accurately judged result of the test, test video
It can at any time consult and review；Normal operating mode is supported, standard and the flexibility of experiment has been taken into account；It is equipped with special gas, liquid
Injector, on the premise of personnel and high temperature contact are prevented effectively from, realizes high-precision sample injection, with guarantee test result；
Multi-channel high-accuracy temperature cascade acquisition control system can realize furnace temperature multiple spot self-correction, initial data in office forms forever
Kubo is deposited；Using novel nano micropore heat-barrier material, heat dissipation rate only 0.019W/M K, are the 3 ~ 4 of traditional heat-insulating heat-preserving material
Times；Possess secondary superheater guard system to protect there is provided Remote power-off protection and from differentiation temperature control power alarm；Experiment
Process is full-automatic, without manual intervention, supports parameter setting, data storage, checks the functions such as form；It is whole-process automatic testing
Increase fortuitous event instrument long distance forced power down function on the basis of change；Using industrial panel computer, the operation of Windows7 professional versions
System；Network connection is supported, remote control and data transfer is realized.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of the right flank of self-ignition point test instrument of the present invention；
Fig. 2 is the structural scheme of mechanism of the backsight of self-ignition point test instrument of the present invention；
Fig. 3 is the structural scheme of mechanism of the left surface of self-ignition point test instrument of the present invention.
Reference：Bottom plate 1；Footing 2；USB interface 3；Distribution boxboard 4；Isolating transmitter 5；Humiture transducer 6；The
One energy supply control module 7；Relay board 8；Second source control module 9；PID temperature control modules 10；Power regulator 11；Camera
12；Speculum 13；Mainboard 14；Motor 15；Barometric pressure sensor 16；Photoelectric tube 17；Upper lid lifting member 18；Upper lid heating plate
19；First thermocouple 20；Test flask 21；Second thermocouple 22；Three thermocouple 23；Lower cover heating plate 24；Heat-preservation cotton 25；Silk
Bar gear 26；Motor gear 27；Three-in-one switch 28；4th thermocouple 29；Emergency stop switch 30；Self-lock switch 31；Ceramic heat
Circle 32；Heating cavity 33.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1 to Figure 3, self-ignition point test instrument, including test mechanism, controlling organization, elevating mechanism.
The test mechanism includes experiment flask 21, heater, attemperator, observation device.The experiment flask 21
It is placed in heater, experiment flask 21 wraps heater, the sight to place substances, the attemperator
The top that device is arranged on test instrument is examined, one end of observation device is arranged on experiment flask 21.The heater includes upper
Lid heating plate 19, lower cover heating plate 24 and ceramic heat circle 32, the upper lid heating plate 19 are placed on the top of experiment flask 21,
The lower cover heating plate 24 is placed on experiment flask 21 bottom, and the ceramic heat circle 32 is placed on the middle part of heating cavity 33.
The upper lid heating plate 19, lower cover heating plate 24, ceramic heat circle 32 be used for heated to heating cavity 33, it is ensured that temperature it is uniform
Property, can uniformly heat whole experiment flask 21 heats up together, it is to avoid experiment abberation caused by a local heating.The insulation dress
Put including heating cavity 33 and heat-preservation cotton 25, the outside of the heating cavity 33 is wrapped up by heat-preservation cotton 25, attemperator
It is 3 ~ 4 times of traditional heat-insulating heat-preserving material effect using nanometer micropore heat-barrier material.The heating cavity 33 is used to provide constant temperature
Environment, 25 insulation effects of heat-preservation cotton.The observation device includes camera 12 and speculum 13, and the camera 12 is arranged on spontaneous combustion
At the top of experimental tests instrument, the top of the self-ignition point test instrument sets upper lid lifting member 18, and the speculum 13 is arranged on upper lid and carried
Rise on part 18, the camera 12 passes through the Real Time Observation of speculum 13 to the Test condition in experiment flask 21.
The controlling organization includes controlling switch, main control unit and power control.The controlling switch includes three
Unification switch 28, emergency stop switch 30, self-lock switch 31, the three-in-one switch 28 are arranged on instrument side, the emergency stop switch
30 are arranged on above instrument, and the self-lock switch 31 is arranged on the front of instrument.The three-in-one switch 28 is used for and outside
Power supply is connected, and the emergency stop switch 30 is used to carry out self-ignition point test instrument emergent stopping, and the self-lock switch 31 is used to control
The opening and closing of self-ignition point test instrument.The main control unit and power control are arranged on distribution boxboard 4.The master
Control device include for display information or input information based on industrial panel computer, external USB interface 3, motor 15, every
From transmitter 5, power regulator 11, PID temperature control modules 10, the first thermocouple 20, the second thermocouple 22, three thermocouple 23,
4th thermocouple 29, mainboard 14, relay board 8, barometric pressure sensor 16.The external USB interface 3, motor 15, isolation
Transmitter 5, power regulator 11, PID temperature control modules 10, the first thermocouple 20, the second thermocouple 22, three thermocouple 23,
Four thermocouples 29, relay board 8, barometric pressure sensor 16 are electrically connected with mainboard 14, and are controlled by it.The isolation pick-up
Device 5 is used for the temperature for gathering the 4th thermocouple 29, is easy to thermostatic control.4th thermocouple 29 is used for monitoring test flask 21
Interior temperature.The power regulator 11 is by the accurate control to voltage, electric current and power, so as to realize the temperature control of precision.Institute
Stating PID temperature control modules 10 is used to adjust temperature, so as to carry out thermostatic control.4th thermocouple 29 of the main control unit is installed
In instrument tip, to temperature in monitoring test flask 21.First thermocouple 20 is arranged on the neck of experiment flask 21, the
Two thermocouples 22 are arranged on the middle part of experiment flask 21, and the first thermocouple 20 and the second thermocouple 22 are to monitor heating cavity 33
Temperature.The outer surface of second thermocouple 22 and experiment flask 21 is in close contact.Described three thermocouple 23 is arranged on
Test the center of the bottom of flask 21.The relay board 8 is used for the break-make for controlling circuit.The barometric pressure sensor 16 is used
Atmospheric pressure situation in detection experimental enviroment.The humiture transducer 6 is used to detect the temperature and humidity shape in environment
Condition.The power control includes the first energy supply control module 7 and second source control module 9, the first energy supply control module 7
For being powered for control system, second source control module 9 is the power supply of mainboard 14, for being powered to mainboard 14.
The elevating mechanism is arranged on chassis 1.The elevating mechanism includes motor 15, motor gear 27, screw mandrel
Gear 26 and photoelectric tube 17, the motor gear 27 drive screw gear 26 to be rotated by motor 15.The photoelectricity pair
17 position-limiting actions of pipe.The chassis 1 is provided with the footing 2 of load-bearing, and the footing 2 is provided with 4, and the footing 2 is wrapped
Connecting pole and cylindrical chassis are included, the diameter of the connecting pole is less than cylindrical chassis.In off-test, pass through elevating mechanism
Upper lid lifting member 18 is risen, until the experiment temperature of flask 21 is drawn off again when being down to room temperature.
As optimization, the test instrument also includes warning device, and the warning device uses buzzer.
The concrete operation step of self-ignition point test instrument is as follows：
Start：Confirm that the application program of current test instrument is successfully opened, and be attached with industrial panel computer, write from memory
It is 1234567890 to recognize password so that industrial panel computer and test instrument successful connection.
Test instrument is set：By substances, the relevant information such as form is filled in, and adjusts camera 12 and speculum 13
Angle, confirm four thermocouple locations it is whether correct.
Start experiment：By self-lock switch 31, to ensure test instrument, and start to enter trip temperature lifting by heater,
After design temperature is reached, alarm device is that buzzer can ring two sound, uses syringe liquid delivery or gaseous sample to sample
In bottle, and press timing button rapidly, program self-clocking and by observing device automatic recording video.
Next round is tested：After setting time is reached, buzzer can ring a sound again, represent that Current Temperatures experimental tests terminates,
Instrument automatic heating (or cooling) enters next temperature experimental tests.
Off-test：More than repeating、Operation until program prompting " self-ignition point has been found, if in the temperature
Under do 5 verification experimental verification this self-ignition points ", as needed selection " it is determined that " or " cancellation ".As click on " it is determined that " if can be in spontaneous combustion temperature
Degree is lower to carry out 5 experiments, and " whether increasing amount of samples " is pointed out if clicking on " cancellation ", click on " it is determined that " program prompting increase sample
Product consumption, continues to test, and clicks on " cancellation " experiment and completes.Upper lid lifting member 18 is risen by elevating mechanism, until experiment flask
21 temperature are safely removed again when being down to room temperature.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, these improvements and modifications also should be regarded as
In the scope of the present invention.
Claims (10)
1. self-ignition point test instrument, it is characterised in that including test mechanism, controlling organization, elevating mechanism；The test mechanism includes
Flask, heater, attemperator, observation device are tested, the experiment flask is placed in heater, the attemperator
Heater is wrapped, the observation device is arranged on the top of test instrument, and one end of observation device is arranged on experiment flask；
The controlling organization includes controlling switch and main control unit, and the controlling switch includes three-in-one switch, emergency stop switch, self-locking
Switch, the three-in-one switch is arranged on instrument side, and the emergency stop switch is arranged on above instrument, and the self-lock switch is set
Put in the front of instrument, the main control unit include industrial panel computer, external USB interface, motor, isolating transmitter,
Power regulator, PID temperature control modules, the first thermocouple, the second thermocouple, three thermocouple, the 4th thermocouple, mainboard, relay
Device plate, barometric pressure sensor, the external USB interface, motor, isolating transmitter, power regulator, PID temperature control modules,
First thermocouple, the second thermocouple, three thermocouple, the 4th thermocouple, relay board, barometric pressure sensor and mainboard are electrical
Connection, and be controlled by it；The elevating mechanism is arranged on chassis, and the elevating mechanism includes motor, motor gear, silk
Bar gear and photoelectric tube, the motor gear drive screw gear to be rotated by motor, and the chassis is provided with
The footing of load-bearing, the footing includes connecting pole and cylindrical chassis, and the diameter of the connecting pole is less than cylindrical chassis.
2. self-ignition point test instrument according to claim 1, it is characterised in that：Attemperator in the test mechanism includes
Wrapped up by heat-preservation cotton heating cavity and heat-preservation cotton, the outside of the heating cavity.
3. self-ignition point test instrument according to claim 2, it is characterised in that：The heater of the test mechanism includes upper
Lid heating plate, lower cover heating plate and ceramic heat circle, the upper lid heating plate are placed on the top of experiment flask, and the lower cover adds
Backing is placed on experiment drag, and the ceramic heat circle is placed on the middle part of heating cavity.
4. self-ignition point test instrument according to claim 2, it is characterised in that：The 4th thermocouple peace of the main control unit
Mounted in instrument tip, to monitoring test pot temperature.
5. self-ignition point test instrument according to claim 1, it is characterised in that：The observation device includes camera and reflection
Mirror, the camera is arranged at the top of self-ignition point test instrument, and the top of the self-ignition point test instrument sets upper lid lifting member, described anti-
Mirror is penetrated in upper lid lifting member, the camera passes through speculum Real Time Observation to the Test condition in experiment flask.
6. self-ignition point test instrument according to claim 1, it is characterised in that：The first thermocouple peace of the main control unit
Mounted in the neck of experiment flask, the second the installation of TC of main control unit is at the middle part of experiment flask, the first thermocouple and the
Temperature of two thermocouples to monitor heating cavity；The outer surface of second thermocouple and experiment flask is in close contact.
7. the self-ignition point test instrument according to claim 1, it is characterised in that：The three thermocouple of the main control unit
Installed in the center of experiment drag.
8. the self-ignition point test instrument according to claim 1, it is characterised in that：The controlling organization also includes power supply
Device, the power control includes the first energy supply control module and second source control module, the first energy supply control module
For being powered for control system, second source control module is motherboard power supply, for main board power supply.
9. the self-ignition point test instrument according to claim 1, it is characterised in that：Also include alarm device, the alarm dress
Put and use buzzer.
10. the application method of self-ignition point test instrument, it is characterised in that：Specifically include following steps：
Start：Confirm that the application program of current test instrument is successfully opened, and be attached with industrial panel computer so that
Industrial panel computer and test instrument successful connection；
Test instrument is set：By substances, the relevant information such as form is filled in, and adjusts the angle of camera and speculum, really
Whether correct recognize four thermocouple locations；
Start experiment：By self-lock switch, to ensure test instrument, and start to enter trip temperature lifting by heater, when arrival is set
After constant temperature degree, alarm device is that buzzer can ring two sound, using syringe liquid delivery or gaseous sample into sample bottle, and fast 1
Speed presses timing button, program self-clocking and by observing device automatic recording video；
Next round is tested：After setting time is reached, buzzer can ring a sound again, represent that Current Temperatures experimental tests terminates, and instrument is certainly
Dynamic heating (or cooling) enters next temperature experimental tests；
Off-test：More than repeating、Operation until program prompting " self-ignition point has been found, if do 5 at such a temperature
Secondary verification experimental verification this self-ignition point ", as needed selection " it is determined that " or " cancellation "；
As click on " it is determined that " if can be carried out under autoignition temperature 5 times experiment, such as click on " cancellation " if point out " whether increase sample use
Amount ", click on " it is determined that " program prompting increase amount of samples, continue to test, click on " cancellation " experiment and complete；
Upper lid lifting member is risen by elevating mechanism, until experiment flask temperature is safely removed again when being down to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592047.5A CN107315026B (en) | 2017-07-19 | 2017-07-19 | Self-ignition point tester and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592047.5A CN107315026B (en) | 2017-07-19 | 2017-07-19 | Self-ignition point tester and use method thereof |
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| Publication Number | Publication Date |
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| CN107315026A true CN107315026A (en) | 2017-11-03 |
| CN107315026B CN107315026B (en) | 2023-06-20 |
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ID=60178147
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710592047.5A Active CN107315026B (en) | 2017-07-19 | 2017-07-19 | Self-ignition point tester and use method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132354A (en) * | 2017-12-21 | 2018-06-08 | 上海市计量测试技术研究院 | Cyanide reactivity tester |
| CN108562607A (en) * | 2018-02-27 | 2018-09-21 | 上海市计量测试技术研究院 | A kind of self-ignition point tube furnace |
| CN110261158A (en) * | 2019-07-09 | 2019-09-20 | 应急管理部沈阳消防研究所 | A kind of temperature testing device for fire monitoring alarm socket and switch |
| CN110940692A (en) * | 2019-11-29 | 2020-03-31 | 西安近代化学研究所 | Device and method for testing thermal runaway critical parameters of medium-size reaction materials |
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| JP2012088112A (en) * | 2010-10-18 | 2012-05-10 | Sumitomo Chemical Co Ltd | Spontaneous combustion phenomenon bodily-feeling apparatus |
| CN206292194U (en) * | 2016-11-10 | 2017-06-30 | 上海市计量测试技术研究院 | A kind of solid self-ignition point test instrument |
| CN207263676U (en) * | 2017-07-19 | 2018-04-20 | 上海市计量测试技术研究院 | Self-ignition point tester |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012088112A (en) * | 2010-10-18 | 2012-05-10 | Sumitomo Chemical Co Ltd | Spontaneous combustion phenomenon bodily-feeling apparatus |
| CN206292194U (en) * | 2016-11-10 | 2017-06-30 | 上海市计量测试技术研究院 | A kind of solid self-ignition point test instrument |
| CN207263676U (en) * | 2017-07-19 | 2018-04-20 | 上海市计量测试技术研究院 | Self-ignition point tester |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132354A (en) * | 2017-12-21 | 2018-06-08 | 上海市计量测试技术研究院 | Cyanide reactivity tester |
| CN108132354B (en) * | 2017-12-21 | 2023-06-20 | 上海市计量测试技术研究院 | Cyanide reactivity tester |
| CN108562607A (en) * | 2018-02-27 | 2018-09-21 | 上海市计量测试技术研究院 | A kind of self-ignition point tube furnace |
| CN108562607B (en) * | 2018-02-27 | 2023-06-20 | 上海市计量测试技术研究院 | Self-ignition tube furnace |
| CN110261158A (en) * | 2019-07-09 | 2019-09-20 | 应急管理部沈阳消防研究所 | A kind of temperature testing device for fire monitoring alarm socket and switch |
| CN110261158B (en) * | 2019-07-09 | 2024-03-01 | 应急管理部沈阳消防研究所 | Temperature test device for fireproof monitoring alarm socket and switch |
| CN110940692A (en) * | 2019-11-29 | 2020-03-31 | 西安近代化学研究所 | Device and method for testing thermal runaway critical parameters of medium-size reaction materials |
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| Publication number | Publication date |
|---|---|
| CN107315026B (en) | 2023-06-20 |
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