CN105823896A - Multifunctional automatic sample injector - Google Patents
Multifunctional automatic sample injector Download PDFInfo
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- CN105823896A CN105823896A CN201610141324.6A CN201610141324A CN105823896A CN 105823896 A CN105823896 A CN 105823896A CN 201610141324 A CN201610141324 A CN 201610141324A CN 105823896 A CN105823896 A CN 105823896A
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- bottle
- cleaning
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- sample
- cleaning needle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/025—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a carousel or turntable for reaction cells or cuvettes
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A multifunctional automatic sample injector is characterized by mainly comprising a 101-smaple plate (horizontal rotor), a 102-smaple bottle, a 103-sample plate driving motor, a 104-driving motor, a 105-screw rod, a 106-cleaning liquid tank, a 107-base, a 201-sample injection needle, a 202-cleaning needle, a 203-slide block, a 204-spring, a 205-slide block, a 206-drivinig motor, a 207-slide block, a 208-screw rod, a 3-multiported valve, an interface of a 301-multiported valve and the 201-sample injection needle, an interface of 302-multiported valve and the 202-cleaning needle, 303-test water suitable for being used in lab, 304-cleaning liquid barrel (bottle) (acid solution or alkali solution, and the like), 305-reagent barrel (bottle), 306-waste liquid barrel (bottle), 307-mixing reactor, and 308-standard solution barrel (bottle). The multifunctional automatic sample injector can carry out automatic sample injection in tests on seawater, wastewater with a high content of chlorine and salts, surface water, underground water, drinking water, household sewage, industrial wastewater, and the like, and can be used in lab test, online test, onsite test, and the like.
Description
Technical field
The present invention relates to analytical chemistry and automation field, a kind of automatic sampler.
Background technology
Automatic sampler international, domestic on market is more, but is the absence of using horizontal rotor, has centrifugation sample supernatant and precipitation
The automatic sampler of function；
On market, Rectangular samples dish typically has service sink, but is provided with service sink in circular sample dish and is unfavorable for automatically controlling and programming, this
Mesh to make up this defect.
The most function singleness of existing automatic sampler, expensive, and need to take bigger space.
Drive system in existing three-dimensional machinery motion platform easily lost efficacy, and part is fragile, there will be vibration, motion injustice during motion
Surely, and poor anti jamming capability, motion failures will be produced by extraneous minor impact.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of sea water, high chlorine high-salt wastewater, the surface water, subsoil water, drinking water,
Sanitary sewage, the multi-functional automatic sampler of industrial wastewater determinator；Can be used for experimental determination, on-line determination, emergent portable field mensuration
Time auto injection.
Explanation of nouns horizontal rotor is the horizontal rotor on centrifuge, work characteristics:
1, when horizontal rotor is static, the centrifuge tube centrage in rotor is parallel with rotary shaft.
2, when horizontal rotor spins up, centrifuge tube centrage is gradually transitions position subvertical with rotary shaft by parallel position.
3, during horizontal rotor reduction of speed, centrifuge tube centrage from position subvertical with rotary shaft gradually toward parallel position.
The multi-functional automatic sampler that the present invention provides, main device includes: 101-specimen disc (horizontal rotor)；102-sample bottle；103-sample
Product disk-drive motor；104-drives motor；105-leading screw；106-cleans liquid pool；107-base；201-sample introduction needle；202-cleaning needle；203-slide block；
204-spring；205-slide block；206-drives motor；207-slide block；208-leading screw；3-multiple-way valve；301-multiple-way valve and the interface of 201 sample introduction needle；
302-multiple-way valve and the interface of 202 cleaning needles；303-meets the chemical examination water that laboratory uses；304-cleanout fluid bucket (bottle) (such as acid solution or alkali
Solution)；305-reagent barrel (bottle)；306-waste liquid barrel (bottle)；307-mixing reactor；308-standard solution bucket (bottle).
Foregoing device, preferred scheme is, described 101-specimen disc (horizontal rotor) is placed testing sample when 102-sample bottle and completed
Rear or after titrate, 101-specimen disc (horizontal rotor) rotation carries out centrifugation, it is achieved supernatant fluid and sedimentary separation；Use software
Programming and single-chip microcomputer, PLC, data collecting card, motor, servomotor, reducing motor realize automatically controlling.
Foregoing device, preferred scheme is, described automatic sampler software programming and single-chip microcomputer, PLC, number
Realize according to 102-sample bottle physical location, the supernatant fluid of testing sample being sampled according to capture card, motor, servomotor, reducing motor.
Foregoing device, preferred scheme is, described horizontal rotor connects specimen disc, is placed with one or more specimen cup (samples in specimen disc
QC)；The shape of horizontal rotor and specimen disc can be circle, tetragon, polygon or irregularly shaped.With software programming and single-chip microcomputer, PLC
Programmable Logic Controller, data collecting card, motor, servomotor, reducing motor realize moving at a certain distance or rotating, to realize automatically entering
The needs of sample.
Foregoing device, preferred scheme is, described 3-multiple-way valve can be 2 to lead to valve, and 3 lead to valve, and 6 lead to valve, 8 lead to valve, 10 lead to valve,
16 lead to valve etc., or 2,3 multiple-way valve series, parallel.
Foregoing device, preferred scheme is, described 106-cleans liquid pool and is provided with 106-cleaning liquid pool between specimen disc and vertical slipper,
And no longer on specimen disc.
Foregoing device, preferred scheme one is, described 202-cleaning needle cleans the program set according to host computer to be carried out；Clean 102-
Using 202-cleaning needle during sample bottle, according to sampling order, sampling number of times, the 201-sampling probe cleaning procedure of host computer setting, 205-slide block does water
Square to movement, when arriving relevant position, 207-slide block does vertical direction and moves, and when arriving relevant position, first 202-cleaning needle draws 102-
The most sampled liquid completing to stay in sample bottle, by 3-multiple-way valve, then puts into 306-waste liquid barrel (bottle) residual liquid, and then, 202-is clear
Wash pin and pass through 3-multiple-way valve, draw the liquid of 304-cleanout fluid bucket (bottle) (such as acid solution or aqueous slkali), after pouring 102-sample bottle, pass through
3-multiple-way valve, then draws residual liquid, puts into 306-waste liquid barrel (bottle), moves again to 106-and cleans liquid pool absorption clean water, then residual liquid
Draw, put into 306-waste liquid barrel (bottle)；When carrying out the analysis of second sample, 101-specimen disc (horizontal rotor) under the driving of motor,
Rotating to an angle, 202-cleaning needle repeats above step, by that analogy.
Foregoing device, preferred scheme is, the length of described 202-cleaning needle is longer than 201-sampling probe, and 202-cleaning needle to be tried one's best
Move to the bottom of 102-sample bottle or close to bottom, in order to prevent 202-cleaning needle striker, can with installation site sensor, or 202-cleaning needle,
201-sampling probe is fixed on the enterprising row buffering of 204-spring；It is used for into discharging liquid, the side bottom 202-cleaning needle with fluid communication bottom 202-cleaning needle
Face can have 1～10 to enter osculum for cleaning and buffering.
Foregoing device, preferred scheme is, described 208-leading screw can use 2 to synchronize wheel, is connected by Timing Belt, and slide block is solid
The side being scheduled on Timing Belt replaces；Described 105-leading screw can use 2 to synchronize wheel, is connected by Timing Belt and replaces.
Foregoing device, present invention also offers according to the concentration of standard solution set, and automatically determines extension rate, draws calibration curve
Method.Assuming that standard solution CConcentration of standard solution100mg/L, drawing calibration curve needs to dilute preparation C respectivelyWorking solution concentration10、20、40、60、
The standard solution of 80mg/L, standard solution constant volume VConstant volume, label taking quasi-liquor capacity VThe quasi-liquor capacity of label taking, take pure water volume VTake pure water volume, according to:
CConcentration of standard solution*VThe quasi-liquor capacity of label taking=CWorking solution concentration*VConstant volume
Derivation label taking quasi-liquor capacity VThe quasi-liquor capacity of label takingComputing formula is:
VThe quasi-liquor capacity of label taking=(CWorking solution concentration/CConcentration of standard solution)*VConstant volume
Take pure water volume VTake pure water volumeComputing formula is:
VTake pure water volume=VConstant volume-VThe quasi-liquor capacity of label taking
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-functional automatic sampler device
Fig. 2 is the attachment structure schematic diagram of sampling probe, cleaning needle, slide block and multiple-way valve in multi-functional automatic sampler device
Fig. 3 is the structural representation of multi-functional automatic sampler device embodiment 2
In Fig. 1, Fig. 2,101-specimen disc (horizontal rotor)；102-sample bottle；103-sample disk-drive motor；104-drives motor；105-
Leading screw；106-cleans liquid pool；201-sampling probe；202-cleaning needle；203-slide block；204-spring；205-slide block；206-drives motor；207-is sliding
Block；208-leading screw；3-multiple-way valve；301-multiple-way valve and the interface of 201 sample introduction needle；302-multiple-way valve and the interface of 202 cleaning needles；303-meets reality
Test room and use the chemical examination water required；304-cleanout fluid (such as acid solution or aqueous slkali) bottle (bucket)；305-reagent；306-waste liquid bottle (bucket)；
307-mixing reactor；308-standard solution.
Detailed description of the invention
Describe technical scheme in detail below in conjunction with embodiment and accompanying drawing, but protection domain is not limited by this.
Embodiment 1: centrifugation and sampling process
Testing sample 102-sample bottle is placed in 101-specimen disc (horizontal rotor), when needs separate supernatant and precipitation, or, such as titrate
After method measures chlorine ion concentration, when continuing to measure total organic carbon (TOC) concentration with supernatant, 103-sample disk-drive motor drives 101-specimen disc
(horizontal rotor) high speed rotating, is centrifuged separating, and during 101-specimen disc (horizontal rotor) reduction of speed, centrifuge tube centrage is by close with rotary shaft
Vertical position gradually tends to parallel position, stands.
Sampling order according to host computer setting, sampling number of times, 201-sampling probe cleaning procedure, 205-slide block moves horizontally, when arriving phase
When answering position, 207-slide block does vertical direction and moves, and when arriving relevant position, 201-sampling probe carries out quantitative sampling, by the 307-of 3-multiple-way valve
Mixing reactor, detects subsequently into detector；When carrying out the analysis of second sample, 101-specimen disc (horizontal rotor) is in the driving of motor
Under, rotating to an angle, 201-sampling probe carries out quantitative sampling again, by that analogy.201-sampling probe passes through 3-multiple-way valve, 304-cleanout fluid bucket (bottle),
Or move to 106-cleaning liquid pool be carried out according to setting program.
Cleaning process one
201-sampling probe cleans the program set according to host computer and is sampled, cleans；202-cleaning needle is used, according to upper when cleaning 102-sample bottle
The sampling order of position machine setting, sampling number of times, 201-sampling probe cleaning procedure, 205-slide block moves horizontally, when arriving relevant position,
207-slide block does vertical direction and moves, and when arriving relevant position, what first 202-cleaning needle was drawn in 102-sample bottle the most sampled completes to stay
Liquid, by 3-multiple-way valve, then puts into 306-waste liquid barrel (bottle) residual liquid, and then, 202-cleaning needle passes through 3-multiple-way valve, draws 304-clear
The liquid of washing liquid bucket (bottle) (such as acid solution or aqueous slkali), after pouring 102-sample bottle, by 3-multiple-way valve, then inhales residual liquid and takes, puts
Enter 306-waste liquid barrel (bottle), move again to 106-and clean liquid pool absorption clean water, then residual liquid drawn, put into 306-waste liquid barrel (bottle)；When
When carrying out the analysis of second sample, 101-specimen disc (horizontal rotor), under the driving of motor, rotates to an angle, 202-cleaning needle repeat with
Upper step, by that analogy.
Cleaning process two
202-cleaning needle is used, according to the program set, when 202-cleaning needle moves in 102-sample bottle, 202-when cleaning 102-sample bottle
First cleaning needle draws the most sampled liquid completing to stay in 102-sample bottle, by 3-multiple-way valve, then residual liquid is put into 306-waste liquid barrel
(bottle), 202-cleaning needle draws 304-cleanout fluid bucket (bottle) liquid to 102-sample bottle again by 3-multiple-way valve, and then 202-cleaning needle is drawn again
This cleaning waste liquid puts into 306-waste liquid barrel (bottle), and 202-cleaning needle is drawn 303-again by 3-multiple-way valve and met chemical examination water that laboratory uses to 102-
Sample bottle, then 202-cleaning needle draws this waste liquid again to 306-waste liquid barrel (bottle).
Embodiment 2, as shown in Figure 3: as different from Example 1, its feature, as shown by dotted lines in figure 3, described 106-cleans liquid pool, also
The opposite side of specimen disc can be placed on, such as, if specimen disc is on the vertical slipper left side, then 106-can be set on the right of vertical slipper and clean liquid pool；
When 201-sample introduction needle；202-cleaning needle is when 106-cleans liquid pool water intaking cleaning, and 207-slide block revolves turnback.It should be noted that 207-slide block
It it not anti-turnback, it may be assumed that 201-sample introduction needle；202-cleaning needle original direction is downward, after 207-slide block rotation turnback, and 201-sample introduction needle；202-
Cleaning needle still direction is downward.
Claims (10)
1. a multi-functional automatic sampler, it is characterized in that, mainly include specimen disc (horizontal rotor), sample bottle, driving motor, clean liquid pool, base, sample introduction needle, cleaning needle, slide block, spring, slide block, leading screw, multiple-way valve, multiple-way valve and the interface of the interface of sample introduction needle, multiple-way valve and cleaning needle, cleanout fluid bucket (bottle) (such as acid solution or aqueous slkali), reagent barrel (bottle), waste liquid barrel (bottle), mixing reactor, standard solution bucket (bottle).Can be used for auto injection when sea water, high chlorine high-salt wastewater, the surface water, subsoil water, drinking water, sanitary sewage, industrial wastewater mensuration；Can be used for auto injection when experimental determination, on-line determination, emergent portable field mensuration.
Device the most according to claim 1, is characterized in that, in described specimen disc (horizontal rotor), equipped with sample bottle, sample bottle is in order to place testing sample, and specimen disc (horizontal rotor) is centrifuged separating by sample disk-drive motor；Specimen disc (horizontal rotor), under the driving of motor, rotates to an angle and makes sample bottle move to the position meeting sample introduction needle sampling, cleaning needle cleans.
Device the most according to claim 1, is characterized in that, described cleaning liquid pool is arranged between specimen disc and vertical slipper.
Device the most according to claim 1, is characterized in that, described cleaning liquid pool, it is also possible to be placed on the opposite side of specimen disc, such as, if specimen disc is on the vertical slipper left side, then can arrange cleaning liquid pool on the right of vertical slipper；When sample introduction needle, cleaning needle are when cleaning liquid pool water intaking and cleaning, slide block rotation turnback.It should be noted that slide block is not anti-turnback, it may be assumed that sample introduction needle, cleaning needle original direction are downward, after slide block rotation turnback, sample introduction needle, cleaning needle still direction is downward.
Device the most according to claim 1, is characterized in that, described horizontal rotor connects specimen disc, is placed with one or more sample bottles (sample cell) in specimen disc；The shape of specimen disc (horizontal rotor) can be circle, tetragon, polygon or irregularly shaped. realizes moving at a certain distance or rotating, to realize centrifugation supernatant and precipitation, the needs of auto injection with software programming and single-chip microcomputer, PLC, data collecting card, motor, servomotor, reducing motor.
Device the most according to claim 1, it is characterized in that, described sample introduction needle, cleaning needle, the length of cleaning needle is longer than sampling probe, cleaning needle to move to the bottom of sample bottle or close to bottom as far as possible, in order to prevent cleaning needle striker, sensor can be installed, or cleaning needle, sampling probe are fixed on the enterprising row buffering of spring；Being used for into discharging liquid with fluid communication bottom cleaning needle, the side bottom cleaning needle can have 1～10 to enter osculum for cleaning and buffering.
Device the most according to claim 1, is characterized in that, described multiple-way valve can be 2,3,6,8,10,16 to lead to valve etc., or 2,3 multiple-way valve series, parallel.Clean sample bottle to be carried out by multiple-way valve, when cleaning needle moves in sample bottle, the most sampled liquid completing to stay in cleaning needle first pipette samples bottle, pass through multiple-way valve, then residual liquid is put into waste liquid barrel (bottle), cleaning needle draws cleanout fluid bucket (bottle) liquid to sample bottle again by multiple-way valve, then-cleaning needle is drawn this cleaning waste liquid again and is put into waste liquid barrel (bottle), cleaning needle is drawn by multiple-way valve again and is met chemical examination water that laboratory uses to sample bottle, and then cleaning needle draws this waste liquid again to waste liquid barrel (bottle).
Device the most according to claim 1, is characterized in that, described driving motor can be motor, servomotor, reducing motor etc..
Device the most according to claim 1, is characterized in that, described leading screw can use 2 to synchronize wheel, is connected by Timing Belt, and slide block is fixed on the side of Timing Belt and replaces.
Device the most according to claim 1, is characterized in that, described specimen disc (horizontal rotor), when need not centrifugation supernatant and precipitation, can use as general specimen disc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141324.6A CN105823896A (en) | 2016-03-01 | 2016-03-01 | Multifunctional automatic sample injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141324.6A CN105823896A (en) | 2016-03-01 | 2016-03-01 | Multifunctional automatic sample injector |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119086A (en) * | 2016-08-24 | 2016-11-16 | 刘银安 | A kind of automatic mixing extraction apparatus |
| CN106370777A (en) * | 2016-08-30 | 2017-02-01 | 济南海能仪器股份有限公司 | Potentiometric titration control method and device and potentiometric titration system and method |
| CN107608401A (en) * | 2017-08-31 | 2018-01-19 | 迈克医疗电子有限公司 | A kind of method of getting liquor and device |
| CN107887250A (en) * | 2017-12-11 | 2018-04-06 | 广东省肇庆市质量计量监督检测所 | The automatic sampling apparatus of icp mses |
| CN108132163A (en) * | 2018-02-28 | 2018-06-08 | 亳州司尔特生态肥业有限公司 | A kind of composite fertilizer's automatic sampler |
| CN109351708A (en) * | 2018-11-20 | 2019-02-19 | 吉林省安全生产检测检验股份有限公司 | Gas phase sample bottle automatic flushing device and its operating method |
| CN109781610A (en) * | 2018-12-31 | 2019-05-21 | 苏州朗如精密机械科技有限公司 | A kind of stream type cell analyzer liquid fluid system and its control method |
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| CN111575969A (en) * | 2020-05-21 | 2020-08-25 | 嘉兴市欧品服饰科技股份有限公司 | Post-treatment process for improving pilling rate of fabric and equipment for implementing process |
| CN112730785A (en) * | 2020-12-29 | 2021-04-30 | 清华大学合肥公共安全研究院 | A advance kind dish for water quality testing |
| CN113711050A (en) * | 2019-05-20 | 2021-11-26 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and liquid suction control method |
| CN115267032A (en) * | 2022-08-02 | 2022-11-01 | 青岛盛瀚色谱技术有限公司 | Automatic sample introduction device |
| CN115418305A (en) * | 2022-08-18 | 2022-12-02 | 北京华科仪科技股份有限公司 | High-flux virus enrichment device and method in sewage |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119086A (en) * | 2016-08-24 | 2016-11-16 | 刘银安 | A kind of automatic mixing extraction apparatus |
| CN106370777A (en) * | 2016-08-30 | 2017-02-01 | 济南海能仪器股份有限公司 | Potentiometric titration control method and device and potentiometric titration system and method |
| CN106370777B (en) * | 2016-08-30 | 2018-10-02 | 济南海能仪器股份有限公司 | A kind of constant-current titration control method and device, constant-current titration system and method |
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| CN107608401A (en) * | 2017-08-31 | 2018-01-19 | 迈克医疗电子有限公司 | A kind of method of getting liquor and device |
| CN107887250A (en) * | 2017-12-11 | 2018-04-06 | 广东省肇庆市质量计量监督检测所 | The automatic sampling apparatus of icp mses |
| CN107887250B (en) * | 2017-12-11 | 2024-01-26 | 广东省肇庆市质量计量监督检测所 | Automatic sample feeding device of inductively coupled plasma mass spectrometer |
| CN108132163A (en) * | 2018-02-28 | 2018-06-08 | 亳州司尔特生态肥业有限公司 | A kind of composite fertilizer's automatic sampler |
| CN109351708A (en) * | 2018-11-20 | 2019-02-19 | 吉林省安全生产检测检验股份有限公司 | Gas phase sample bottle automatic flushing device and its operating method |
| CN109781610A (en) * | 2018-12-31 | 2019-05-21 | 苏州朗如精密机械科技有限公司 | A kind of stream type cell analyzer liquid fluid system and its control method |
| CN113711050A (en) * | 2019-05-20 | 2021-11-26 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and liquid suction control method |
| CN111505201B (en) * | 2020-04-24 | 2022-12-16 | 士业电子科技徐州有限公司 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| CN111575969A (en) * | 2020-05-21 | 2020-08-25 | 嘉兴市欧品服饰科技股份有限公司 | Post-treatment process for improving pilling rate of fabric and equipment for implementing process |
| CN112730785A (en) * | 2020-12-29 | 2021-04-30 | 清华大学合肥公共安全研究院 | A advance kind dish for water quality testing |
| CN115267032A (en) * | 2022-08-02 | 2022-11-01 | 青岛盛瀚色谱技术有限公司 | Automatic sample introduction device |
| CN115267032B (en) * | 2022-08-02 | 2024-06-04 | 青岛盛瀚色谱技术有限公司 | Automatic sample injection device |
| CN115418305A (en) * | 2022-08-18 | 2022-12-02 | 北京华科仪科技股份有限公司 | High-flux virus enrichment device and method in sewage |
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Application publication date: 20160803 |