CN105938060A - Novel falling rain isotope sampling device - Google Patents
Novel falling rain isotope sampling device Download PDFInfo
- Publication number
- CN105938060A CN105938060A CN201610224041.8A CN201610224041A CN105938060A CN 105938060 A CN105938060 A CN 105938060A CN 201610224041 A CN201610224041 A CN 201610224041A CN 105938060 A CN105938060 A CN 105938060A
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- ball valve
- heat
- precipitation
- sampling apparatus
- bottle cap
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
A novel falling rain isotope sampling device mainly includes a falling rain collecting aluminum pipe (1), a sewage intercepting net (2), a collecting funnel (3), a buoyancy ball valve (4), a ball valve opening and closing chamber (5), a water delivery guide pipe (6), a spiral ventilation pipe (7), a double-pore conical bottle cap (8), a collecting bottle (9), a heat-insulation and heat-preservation box (10), a double-hole bottle cap vent hole (16), a double-hole bottle cap water inlet hole (17), and a ball valve opening and closing chamber water outlet hole (18). The falling rain isotope sampling device is mainly characterized in that with use of reliable floating ball valve and spiral ventilation pipe structures, and the problems that a traditional falling rain sampling device has water sample evaporation fractionation and pollution phenomena due to sealing and other problems are solved. The falling rain isotope sampling device has the advantages of simple structure, reliable operation, low construction cost, convenient operation, wide application range and the like, and can be widely applied for atmospheric falling rain sampling in isotope hydrologic monitoring and weather monitoring.
Description
Technical field
The present invention relates to a kind of sampling apparatus, specifically, relate to the Atmospheric precipitation sampling apparatus that a kind of hydrometeorology detection department uses.It is particularly well-suited to the water sampling that atmospheric precipitation stable isotope is analyzed.
Background technology
Traditional precipitation sampling apparatus that hydrometeorology detection department uses, is used to the rainwater gathered is carried out the mensuration of the traditional index such as rainfall, pH value and electrical conductivity, is analyzed precipitation for scientific research personnel and studies.But along with nuclear physics and hydrological develop, nuclear physics principle and technology are applied in additional hydrology, formation and the application of isotope hydrology are promoted, isotope technology can be not only that the researchs such as River Basin Hydrology rule, the recharge of ground water, the division of plant water source, Regional Precipitation moisture source provide important scientific basis, but also build for hydrological model and data parameters direct, reliable is provided, it can be effectively prevented from the problem of dtmf distortion DTMF of test simulation, obtain the hydrology, weather law more reliably, become the emerging direction of water resource research from now on already.And as the precipitation Isotopic Data of one of its main foundation, gather and detect precipitation isotope and will certainly be increasingly becoming hydro-meteorological station network and the important process ingredient of each scientific research website.
The isotopic sampling of precipitation is a very important ring in isotope hydrology research, is directly connected to the precision of analysis result, and then determines the credibility of research conclusion.The incorrect method of sampling not only can waste funds and the time of researcher, also can the quality of influence research result.During the sampling of precipitation isotope, most concerned problem is exactly to prevent moisture evaporation and the moisture isotopic Exchange with the external world.Therefore, during water sample must gather, be stored in the container of sealing.The material of sampling bottle and sealing to pass through special selection and design to stop moisture to evaporate, spread or swap with the external world.
Existing precipitation sampling apparatus is generally divided into the rain gage bucket artificially collecting precipitation and the rainfall sampler two kinds automatically collecting precipitation.Artificially collecting the rain gage bucket of precipitation is the uncovered rustless steel tubular structure in top, its simple in construction, cheap, it it is the hydrometeorology the most frequently used precipitation sampling apparatus of website, but there is also basic defect: due to uncovered above it, cannot stop at all and collect the evaporation of water sample, diffusion and the exchange with outside moisture, therefore this device can not reach the basic demand of precipitation isotope sampling, it is impossible to meet the sampling needs of hydrometeorology detection department from now on.Automatically the rainfall sampler of precipitation is collected, its basic structure is to be mounted with that on collection container seals a lid, with motor as power, under the control of sensor and electronic controller, Open-close sealing lid voluntarily whether is there is according to precipitation, reduce as far as possible and collect the evaporation of water sample, diffusion and the exchange with outside moisture, thus meet the basic demand of precipitation isotope sampling.The defects such as but this equipment series structure is complicated, involves great expense, volume is big, and weight is big, and fault rate is high, and this device needs driven by power to seal lid to open and close, and hydrometeorology monitoring station is in the remote districts of bad environments mostly, therefore can not use by spread.
Summary of the invention
For the defect existing for existing two class precipitation sampling apparatuses and deficiency, it is desirable to provide a kind of simple in construction, dependable performance, cheap, the novel precipitation isotope sampling apparatus of suitable spread use.The precipitation gathered is flowed in receiving flask by this device by ball valve automatic opening-closing, effectively prevents water sample from polluting, water sample evaporation and with the external world's isotopic exchange of steam.
To achieve these goals, the present invention takes following technical scheme to realize:
A kind of novel precipitation isotope sampling apparatus, mainly includes that precipitation collects aluminum pipe, garbage barrier net, collection funnel, buoyancy ball valve, ball valve keying room, water inlet conduit, helical vent pipe, Bottle cap with two holes, receiving flask, heat-insulation and heat-preservation case, three foot fixed supports.Described precipitation collection aluminum pipe is positioned at and blocks dirty screen cloth top, is together fixed on above collection funnel with blocking dirty screen cloth.Described collection funnel is cylindric, upper square section opening, and inside is in funnel-form and lower section connects a female thread cylinder, is used for connecting ball valve and opens and closes room.The lower section of described collection funnel is additionally provided with a circular draw-in groove, is used for connecting heat-insulation and heat-preservation case.Described buoyancy ball valve, ball valve open and close room, water inlet conduit, helical vent pipe, diplopore taper bottle cap and receiving flask and are all placed in inside heat-insulation and heat-preservation case, play protection internals and the purpose of water sample.Described heat-insulation and heat-preservation case is barrel-shaped, can reduce windage, and outside is provided with switchable door, it is simple to the taking-up of water sample receiving flask and installation.Described buoyancy ball valve is placed in ball valve and opens and closes indoor, and ball valve opens and closes upper end, room and is connected with the female thread cylinder of collection funnel lower end.The apopore that described water inlet conduit upper end opens and closes lower end, room with ball valve is connected, and lower end is connected with the inlet opening of diplopore taper bottle cap.Described helical vent pipe is connected with the passage of diplopore taper bottle cap.Described receiving flask is connected with diplopore taper bottle cap.
The present invention, compared with existing precipitation sampling apparatus, has the advantages that:
1. this sampling apparatus adds rustless steel and blocks dirty screen cloth thus decrease foreign material or other pollutant to the blocking of device and the pollution of precipitation sample.
2. the connecting portion of this sampling apparatus all uses threaded, has both improve the sealing of package unit, removing and installing when also facilitating staff to safeguard equipment.
3. it is waterborne floating that the ball valve configurations that this sampling apparatus uses utilizes buoyancy bead to meet, and the anhydrous physical principle fallen by action of gravity, to realize precipitation sampling apparatus automatic open close, collects the purpose of precipitation.This technology is simple and reliable, not only effectively prevent the evaporation during collection water sample and diffusion, and drives without motor, it is easy to promotes the use of in remote districts and field.
4. the helical vent pipe that this sampling apparatus uses the polypropylene plastics flexible pipe of long 3m, internal diameter 4mm to make is connected at the passage of Bottle cap with two holes.This breather not only keeps stablizing of the inside and outside air pressure of receiving flask, makes precipitation import in receiving flask swimmingly, and owing to its length is long, internal diameter is little, effectively prevent water sample and the diffusion of gas in receiving flask, and the exchange sub with outside moisture.Breather makes helical form, has been effectively saved housing interior volume, it is simple to installs, carry.
5. the Bottle cap with two holes lower end of this sampling apparatus uses conical ring design, and the globule that bottle can be attached on bottle cap by this design is brought together by conical ring structure, falls in bottle.Can effectively prevent the water in bottle sample isotope enrichment phenomenon that water sample in receiving flask makes the globule be attached to be brought on bottle cap because of re-evaporation.
6. this sampling apparatus uses the receiving flask of high density polyethylene (HDPE) (HDPE) material, and it is readily transported, and effectively prevents the diffusion of water in bottle sample and gas.Receiving flask can directly be dismantled after collecting water sample, and screws with supporting sealing lid.Can effectively prevent the pollution that sample careless manipulation in subsequent transfer brings.
7. it is provided with heat-insulation layer and aluminium foil adventitia outside this sampling apparatus casing, has certain thermal insulation function, can preferably water sample in guard box.
Accompanying drawing explanation
Fig. 1 (a) is the structural representation of the present invention；
Fig. 1 (b) is the longitudinal sectional view of the present invention；
Fig. 2 (a) is the structural representation of collection funnel of the present invention；
Fig. 2 (b) is the longitudinal sectional view of collection funnel of the present invention；
Fig. 3 (a) is the structural representation that ball valve of the present invention opens and closes room；
Fig. 3 (b) is the longitudinal sectional view that ball valve of the present invention opens and closes room；
Fig. 4 (a) is the structural representation of Bottle cap with two holes of the present invention；
Fig. 4 (b) is the longitudinal sectional view of Bottle cap with two holes of the present invention；
Fig. 5 is the overall structure schematic diagram that the present invention is arranged on three foot fixed supports；
Figure acceptance of the bid score not Biao Shi: 1. precipitation collect aluminum pipe, 2. garbage barrier net, 3. collection funnel, 4. buoyancy ball valve, 5. ball valve open and close room, 6. water inlet conduit, 7. helical vent pipe, 8. Bottle cap with two holes, 9. receiving flask, 10. heat-insulation and heat-preservation case, 11., draw-in grooves installed by 12. snap closes, 13. rustless steel three-legged supports, 14. support fixing holes, 15. heat-insulation and heat-preservation casees, 16. Bottle cap with two holes passages, 17. Bottle cap with two holes inlet openings, 18. ball valves open and close room apopores.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 to 4, described precipitation is collected aluminum pipe (1) and is fixed on collection funnel (3) top, irriation aluminium pipe mouth diameter 200mm, rain gage bucket standard gauge is observed for national weather, tube wall top is bladed, is used for cutting raindrop, accurate collective area.
Described dirty screen cloth (2) of blocking is the screen cloth that hole is 2mm*2mm that rustless steel steel wire is made, being placed in precipitation to collect between aluminum pipe (1) and collection funnel (3), being used for preventing the foreign material such as leaves from falling into collection funnel (3) affects precipitation collection and pollution water sample.
Described collection funnel (3) is cylindric, upper square section opening, and inside is in funnel-form and lower section connects a female thread cylinder, is used for connecting ball valve and opens and closes room.The lower section of described collection funnel is additionally provided with a circular draw-in groove, is used for connecting heat-insulation and heat-preservation case (10).
Described buoyancy ball valve (4), ball valve open and close room (5), water inlet conduit (6), helical vent pipe (7), Bottle cap with two holes (8), that receiving flask (9) is all placed in heat-insulation and heat-preservation case (10) is internal, heat-insulation and heat-preservation case (10) is barrel-shaped, outside is provided with switchable door (11), it is simple to the taking-up of water sample receiving flask (9) and installation.It is provided with heat-insulation layer and aluminium foil adventitia outside heat-insulation and heat-preservation case (10) casing, has certain thermal insulation function, play protection internals and the purpose of water sample.
The described hollow plastic ball that buoyancy ball valve (4) is external diameter 40mm, is placed in ball valve and opens and closes indoor, and ball valve opens and closes the external screw thread of room (5) upper end and is connected with the female thread cylinder of collection funnel (3) lower end, good airproof performance.
The described polypropylene plastics flexible pipe that water inlet conduit (6) is internal diameter 10mm, the apopore that its upper end opens and closes lower end, room with ball valve is connected, and lower end is connected with the inlet opening of diplopore taper bottle cap.
Described helical vent pipe (7) is long 3m, the polypropylene plastics flexible pipe of internal diameter 4mm, and its lower end is connected with the passage of Bottle cap with two holes.
The described HPDE receiving flask that receiving flask (9) is capacity 3L, receiving flask bottle mouth position has external screw thread, is tightly connected with the female thread of Bottle cap with two holes lower end, and receiving flask bottle wall is marked with rainfall scale, can directly carry out the mensuration of precipitation.
As it is shown in figure 5, above-mentioned component is clean through strict pickling and dried, be sequentially connected with and be arranged on three high for 1.2m foot fixed supports (13), during to avoid precipitation intensity big around surface water body be splashed in sampler, cause water sample to pollute.When there being precipitation to arrive, rainwater will be by blocking dirty screen cloth (2), converged by collection funnel (3), flow into ball valve and open and close in room (5), buoyancy ball valve (4) is by water buoyancy effect, floating opens water transport channel, and rainwater stores in being entered receiving flask (9) by water inlet conduit (6).Buoyancy ball valve (4) can be powerful little according to rainfall moderate rain, automatically controls water transport channel openings of sizes.Precipitation terminates, and buoyancy ball valve (4) is fallen automatically by action of gravity, and water transport channel is closed.Staff can open heat-insulation and heat-preservation box body door (11) when collecting water sample, take off after directly receiving flask (9) being unscrewed from Bottle cap with two holes (8), preserve in moving to laboratory after covering tightly with supporting lid and analyze, and changing new receiving flask (9) for precipitation collection next time simultaneously.Change receiving flask (9) just can avoid same receiving flask (9) Reusability to collecting the pollution that water sample causes the most every time.Receiving flask (9) is marked with rainfall scale, can directly carry out the mensuration of precipitation.
Claims (9)
1. a novel precipitation isotope sampling apparatus, is characterized in that being collected aluminum pipe (1), garbage barrier net (2) by precipitation, being collected leakage
Bucket (3), buoyancy ball valve (4), ball valve open and close room (5), water inlet conduit (6), helical vent pipe (7), Bottle cap with two holes (8),
Receiving flask (9), heat-insulation and heat-preservation case (10), three foot fixed support (13) compositions；Described precipitation is collected aluminum pipe (1) and is positioned at
Garbage barrier net (2) top, is together fixed on collection funnel (3) top, the lower section of collected funnel (3) with garbage barrier net (2)
Being provided with a circular draw-in groove, connect heat-insulation and heat-preservation case (10), heat-insulation and heat-preservation case (10) positioned inside has buoyancy ball valve (4), ball valve
Open and close room (5), water inlet conduit (6), helical vent pipe (7), diplopore taper bottle cap (8) and receiving flask (9).
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described precipitation collects aluminum pipe
(1), nozzle diameter is 200mm, and tube wall top is bladed.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described garbage barrier net (2) is
What rustless steel steel wire system or aluminium wire were made screen cloth.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described collection funnel (3)
For cylindric, upper square section opening is the circle of diameter 200mm, and inside is in funnel-form and lower section connects a female thread cylinder.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described heat-insulation and heat-preservation case (10)
For barrel-shaped, outside is provided with heat-insulation layer and aluminium foil adventitia, is additionally provided with switchable door.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described buoyancy ball valve (4) is
The hollow plastic ball of external diameter 40mm, is placed in ball valve and opens and closes in room (5) chamber, and ball valve opens and closes room (5) chamber and is approximately diameter 44mm
Cylindrical structure, arc-shaped smooth linking ball valve in lower end opens and closes indoor apopore.Ball valve opens and closes the external screw thread of room (5) upper end
Spinning with the female thread cylinder of collection funnel (3) lower end, lower end outlet is cylinder dentalation.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described water inlet conduit (6) is
The polypropylene plastics flexible pipe of internal diameter 10mm, the apopore that its upper end opens and closes room (5) lower end with ball valve is connected, lower end and diplopore bottle
The cylinder dentation inlet opening of lid (8) connects, and Bottle cap with two holes (8) lower end uses conical ring design.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described helical vent pipe (7)
For the polypropylene plastics flexible pipe spiral wound of long 3m, internal diameter 4mm and fix, the passage of its lower end and Bottle cap with two holes (8)
It is connected.
A kind of novel precipitation isotope sampling apparatus the most as claimed in claim 1, is characterized in that described receiving flask (9) is for holding
The HPDE plastic bottle of amount 3L, receiving flask (9) bottle mouth position has external screw thread, seals even with the female thread of Bottle cap with two holes (8) lower end
Connecing, receiving flask (9) bottle wall is marked with rainfall scale, can directly carry out the mensuration of precipitation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610224041.8A CN105938060B (en) | 2016-04-02 | 2016-04-02 | Novel precipitation isotope sampling device |
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| CN201610224041.8A CN105938060B (en) | 2016-04-02 | 2016-04-02 | Novel precipitation isotope sampling device |
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| CN105938060A true CN105938060A (en) | 2016-09-14 |
| CN105938060B CN105938060B (en) | 2023-08-22 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442018A (en) * | 2016-09-30 | 2017-02-22 | 中国科学院遗传与发育生物学研究所 | All-weather rainfall automatic sampling system based on water distributor |
| CN106442017A (en) * | 2016-09-30 | 2017-02-22 | 中国科学院遗传与发育生物学研究所 | All-weather rainfall automatic sampling system based on water diversion plate |
| CN107334177A (en) * | 2017-09-11 | 2017-11-10 | 贵港市申德机械设备有限公司 | A kind of efficient feed mixing arrangement |
| CN107525697A (en) * | 2017-10-13 | 2017-12-29 | 山西师范大学 | A kind of high-altitude steam isotope harvester |
| CN108444757A (en) * | 2018-04-17 | 2018-08-24 | 安徽睿知信信息科技有限公司 | A kind of environment monitoring sewage sampling device |
| CN108572092A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of high altitude glacier zone of ablation precipitation collection device |
| CN108776051A (en) * | 2018-05-11 | 2018-11-09 | 山西师范大学 | A kind of soil, plant evaporation steam isotope harvester |
| CN108845378A (en) * | 2018-09-30 | 2018-11-20 | 高晓冬 | A kind of dedicated vaporization prevention rain gauge of water conservancy |
| CN108845379A (en) * | 2018-09-30 | 2018-11-20 | 王悦钰 | A kind of anti-sundries rain gauge of dedicated volume cylinder vaporization prevention of water conservancy |
| CN108873109A (en) * | 2018-09-30 | 2018-11-23 | 邱璐 | A kind of anti-sundries rain gauge of the dedicated vaporization prevention of water conservancy |
| CN109406213A (en) * | 2018-12-17 | 2019-03-01 | 河海大学 | A kind of water sample acquisition device and method |
| CN109506988A (en) * | 2018-12-27 | 2019-03-22 | 核工业北京地质研究院 | A kind of water sample automatic acquisition device suitable for field |
| CN109827813A (en) * | 2019-03-04 | 2019-05-31 | 中国地质科学院水文地质环境地质研究所 | A kind of Atmospheric precipitation isotope analysis moon cumulative sample acquisition device |
| CN111024455A (en) * | 2019-12-11 | 2020-04-17 | 河海大学 | Automatic precipitation collecting device and using method |
| CN111707508A (en) * | 2020-07-01 | 2020-09-25 | 华中农业大学 | Time sequence rainfall isotope sample collection device |
| US11531139B2 (en) * | 2017-11-08 | 2022-12-20 | Rubicon Research Pty Ltd | Rain gauge for measuring rain fall in an automatic weather station having an ultrasonic transducer for transmitting and receiving acustic signals into measurement chamber and programmable to determine water level in measurement chamber |
| CN108776051B (en) * | 2018-05-11 | 2024-05-03 | 山西师范大学 | Soil and plant evaporation water vapor isotope acquisition device |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442018A (en) * | 2016-09-30 | 2017-02-22 | 中国科学院遗传与发育生物学研究所 | All-weather rainfall automatic sampling system based on water distributor |
| CN106442017A (en) * | 2016-09-30 | 2017-02-22 | 中国科学院遗传与发育生物学研究所 | All-weather rainfall automatic sampling system based on water diversion plate |
| CN108572092A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of high altitude glacier zone of ablation precipitation collection device |
| CN108572092B (en) * | 2017-03-07 | 2023-08-01 | 中国科学院西北生态环境资源研究院 | Precipitation collection device for extremely high altitude glacier ablation area |
| CN107334177A (en) * | 2017-09-11 | 2017-11-10 | 贵港市申德机械设备有限公司 | A kind of efficient feed mixing arrangement |
| CN107525697A (en) * | 2017-10-13 | 2017-12-29 | 山西师范大学 | A kind of high-altitude steam isotope harvester |
| CN107525697B (en) * | 2017-10-13 | 2024-02-02 | 山西师范大学 | High-altitude water vapor isotope acquisition device |
| US11531139B2 (en) * | 2017-11-08 | 2022-12-20 | Rubicon Research Pty Ltd | Rain gauge for measuring rain fall in an automatic weather station having an ultrasonic transducer for transmitting and receiving acustic signals into measurement chamber and programmable to determine water level in measurement chamber |
| CN108444757A (en) * | 2018-04-17 | 2018-08-24 | 安徽睿知信信息科技有限公司 | A kind of environment monitoring sewage sampling device |
| CN108776051A (en) * | 2018-05-11 | 2018-11-09 | 山西师范大学 | A kind of soil, plant evaporation steam isotope harvester |
| CN108776051B (en) * | 2018-05-11 | 2024-05-03 | 山西师范大学 | Soil and plant evaporation water vapor isotope acquisition device |
| CN108873109A (en) * | 2018-09-30 | 2018-11-23 | 邱璐 | A kind of anti-sundries rain gauge of the dedicated vaporization prevention of water conservancy |
| CN108845379A (en) * | 2018-09-30 | 2018-11-20 | 王悦钰 | A kind of anti-sundries rain gauge of dedicated volume cylinder vaporization prevention of water conservancy |
| CN108845378A (en) * | 2018-09-30 | 2018-11-20 | 高晓冬 | A kind of dedicated vaporization prevention rain gauge of water conservancy |
| CN109406213A (en) * | 2018-12-17 | 2019-03-01 | 河海大学 | A kind of water sample acquisition device and method |
| CN109506988A (en) * | 2018-12-27 | 2019-03-22 | 核工业北京地质研究院 | A kind of water sample automatic acquisition device suitable for field |
| CN109827813B (en) * | 2019-03-04 | 2021-10-15 | 中国地质科学院水文地质环境地质研究所 | Atmospheric precipitation isotope analysis month accumulation sample collection device |
| CN109827813A (en) * | 2019-03-04 | 2019-05-31 | 中国地质科学院水文地质环境地质研究所 | A kind of Atmospheric precipitation isotope analysis moon cumulative sample acquisition device |
| CN111024455A (en) * | 2019-12-11 | 2020-04-17 | 河海大学 | Automatic precipitation collecting device and using method |
| CN111707508A (en) * | 2020-07-01 | 2020-09-25 | 华中农业大学 | Time sequence rainfall isotope sample collection device |
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