CN204286876U - A kind of precipitation harvester being provided with real-time dynamic monitoring assembly - Google Patents
A kind of precipitation harvester being provided with real-time dynamic monitoring assembly Download PDFInfo
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- CN204286876U CN204286876U CN201420866670.7U CN201420866670U CN204286876U CN 204286876 U CN204286876 U CN 204286876U CN 201420866670 U CN201420866670 U CN 201420866670U CN 204286876 U CN204286876 U CN 204286876U
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Abstract
The utility model provides a kind of precipitation harvester being provided with real-time dynamic monitoring assembly, the container for collecting rainfall comprising casing and be provided at its inner portion, container comprises and is provided with one with the aqueduct, of the first seal with the gas outlet of the second seal and a supervising device; Arrange one on the top of aqueduct for collecting the funnel of rainfall, funnel and aqueduct are formed in one part or by connecting end portion and aqueduct compact siro spinning technology.Real-time dynamic monitoring assembly comprises supervising device and weighing unit, and the temperature and humidity data recorded are transferred to a remote transmission device and connect remote controllers by network again by supervising device; The quantity of precipitation that the bottom that weighing unit is arranged on described container collects for measuring vessel inside, and be sent to remote controllers by remote transmission device.The utility model, on the hermetically-sealed construction basis of improving precipitation harvester, is accurately know that the primitive character of Hydrogen-oxygen Isotope in precipitation sample collected in container provides safeguard by arranging real-time dynamic monitoring assembly.
Description
Technical field
The utility model relates to hydrologic equipment field, is specifically related to a kind of precipitation harvester for measuring Hydrogen-oxygen Isotope fractionation factor in rainwater.
Background technology
Isotope hydrology is the new branch of science grown up the 1950's, and it mainly utilizes isotope technology to solve some key issues in hydrology.From the sixties in 20th century, worldwide by utilize isotope technology (
18o,
2h,
3h,
14c,
36c,
87sr/
86sr, etc.), and extensively carry out subterranean water enquire in conjunction with hydrogeochemical method, achieve many breakthrough achievements.Particularly hydrogen and oxygen stable isotope can provide the information of hydrone itself, and in conjunction with water level, water chemistry and other related datas, will produce more reliable local ground watering stream concept model, to impel effective Groundwater Resource Management.If used
2h and
18o follows the trail of underground water, and so in precipitation, the research of hydrogen and oxygen stable isotope seems very important.Equally, if need the source of following the trail of rainwater, need the content of the Hydrogen-oxygen Isotope studied in rainfall equally, and the Hydrogen-oxygen Isotope studied in precipitation certainly will need to gather hydrology quantity of precipitation.
Precipitation sample collection device generally will be placed on field, and if monthly get a sample, the sample in container can evaporate, even if there is seal approach also to there will be evaporation to a certain degree.And evaporation can cause precipitation isotope fractionation, affect Hydrogen-oxygen Isotope content in precipitation sample.Isotope fractionation in evaporation situation mainly contains two kinds, first Rayleigh HYDROGEN ISOTOPE EQUILIBRIUM FRACTIONATION BETWEEN, and Rayleigh HYDROGEN ISOTOPE EQUILIBRIUM FRACTIONATION BETWEEN has the greatest impact by temperature.It two is power nonequilibrium fractionations, and the relative humidity mainly by gas-liquid near interface affects.If so need to calculate fractionation factor, automatically monitored the temperature and humidity in container with regard to needing, and utilize Monitoring Data to calculate fractionation factor, thus the testing result of isotope sample is corrected.
Utility model content
The utility model can not monitor precipitation humiture and cannot the shortcoming such as automatic transmission precipitation data to solve the above-mentioned existing precipitation harvester mentioned, a kind of precipitation harvester being provided with real-time dynamic monitoring assembly is provided, by remote transmission device, the precipitation data collected can be uploaded to remote controllers, calculate the fractionation factor of Hydrogen-oxygen Isotope in rainwater, realize automatically monitoring.
Concrete, the utility model provides a kind of precipitation harvester being provided with real-time dynamic monitoring assembly, the container for collecting rainfall comprising casing and be provided at its inner portion, described container comprises bottle, is positioned at bottleneck and the bottle cap on described bottle top, described container is arranged on a box house by base, it is characterized in that: described casing comprises cabinet and cabinet door, the bottom of described casing is provided with the chassis for static housing; Described bottle cap is provided with one with the aqueduct, of the first seal with the gas outlet of the second seal; Arrange one on the top of described aqueduct for collecting the funnel of rainfall, described gas outlet comprises first end and is provided with the second end of described second seal;
Described internal tank is provided with real-time dynamic monitoring assembly, described real-time dynamic monitoring assembly comprises one for measuring the supervising device and of precipitation humiture for measuring the weighing unit of quantity of precipitation, described supervising device is fixed on described bottle cap by connecting link, described weighing unit is fixed on described base, and described container is placed on described weighing unit;
Described supervising device and described weighing unit are connected with remote controllers by remote transmission device communication, described remote transmission device is provided with wireless transmitter device, and described supervising device and described weighing unit will record temperature, humidity and quantity of precipitation by described remote transmission device and be sent to described remote controllers;
Described remote controllers inside arranges central controller, memory storage and fractionation factor computing module, described memory storage and described fractionation factor computing module, described memory storage is for storing the humidity, temperature and the quantity of precipitation that receive, and described fractionation factor computing module calculates Hydrogen-oxygen Isotope fractionation factor according to humidity, temperature and quantity of precipitation.
Can be preferred, described first seal and described second seal include base plate, be positioned at the annular flange flange on the periphery of base plate, be positioned at the turning axle at the inside center place of base plate, and be positioned at the movable block of described turning axle side, when rain enters described container, the movable block of described first seal is opened along described turning axle under the pressure of rainwater, at the end of rainfall, described first seal is automatically closed under the effect of movable block; When precipitation enters harvester, the air in compression container, the movable block of described second seal is opened under the impact of air-flow, and at the end of rainfall, described second seal is automatically closed under the effect of movable block.
Can be preferred, the inside of described container is provided with plastic sheeting, and the diameter of described plastic sheeting is the 80%-90% of described inside diameter of vessel, and the density of described plastic sheeting is less than the density of water thus can swims on the water surface.
Can be preferred, the shape of described gas outlet is set to inverted L-shaped, and described first end and described the second end be arranged in parallel.
Can be preferred, the outside of described container is respectively arranged with liquid level observation window and shade, and described shade covers all regions of described container except liquid level observation window.
Can be preferred, the inside of described container is provided with the scale with scale for reading quantity of precipitation, and described scale is arranged on the position corresponding with described liquid level observation window.
Can be preferred, described funnel comprises funnel body, the body be connected with described funnel body and the hollow plastic ball be arranged in described funnel body, and the top of described funnel is provided with metal net mask.
Can be preferred, body and the described aqueduct of described funnel be integrated part or by described body be provided with one along away from the diminishing connecting end portion of described funnel body orient diameter and the annular seal that is set in connecting end portion together with described aqueduct compact siro spinning technology.
The beneficial effects of the utility model are as described below:
Supervising device of the present utility model is monitored automatically to the temperature and humidity in rainfall acquisition and storage device, and Monitoring Data can be utilized to calculate fractionation factor, thus corrects the testing result of isotope sample.The weighing unit of rainfall acquisition and storage device bottom, in Precipitation Process, automatically can monitor the collection capacity of precipitation sample, in twice Precipitation Process, can monitor the evaporation capacity of sample, and correct fractionation factor.Remote controllers can calculate the isotope fractionation situation of the precipitation sample collected in real time according to the epidemic disaster in the precipitation container obtained and quantity of precipitation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further explained:
Fig. 1 is the schematic diagram of a kind of hydrology quantity of precipitation sealing sampling apparatus of the present utility model;
Fig. 2 is the rainfall collection container schematic diagram that the utility model is arranged in casing;
Fig. 3 is the enlarged diagram at A place in the utility model Fig. 2;
Fig. 4 is a kind of structural representation of the utility model first seal and the second seal; And
Fig. 5 is structural schematic block diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and the specific embodiments, structure and working principle of the present utility model is further explained:
As Figure 1-Figure 2, the rainfall collection container 3 that a kind of hydrology quantity of precipitation sealing sampling apparatus that the utility model provides comprises casing 2 and is provided at its inner portion.The bottle cap 30 that container 3 comprises bottle 4, is positioned at the bottleneck 5 on bottle 4 top and is threaded with bottleneck 5; Bottle cap 30 is provided with three through holes 52,53 and 54, aqueduct 6 is arranged on bottle cap 30 on through the connecting link 102 of through hole 53, supervising device 10 through through hole 54 through through hole 52, gas outlet 8, be respectively arranged with an O-ring seal 51 in through hole 52,53 and 54, aqueduct 6, gas outlet 8 and connecting link 102 are fixed on bottle cap 30 tightly by respective O-ring seal 51.
Specifically, casing 2 comprises cabinet 24, cabinet door 25, the top board 20 being positioned at cabinet 24 top and the chassis 21 be positioned at bottom cabinet 24.The sidewall of cabinet 24 is provided with multiple vent port 23, carries out gas exchanges for making casing 2 and the external world.Cabinet 24 and cabinet door 25 are preferably made up of metal material, and top board 20 is made up of plastic material thus shielding is avoided in the transmission being more conducive to wireless signal; Casing 2 is fixed on the ground by chassis 21.Container 3 is arranged on the inside of casing 2 by base 22, and base 22 is fixed on chassis 21 by securing member.Base 22 can be provided with weighing unit 11, and like this, container 3 is set directly on weighing unit 11, directly to know the change of container 3 weight.
The bottleneck 5 of container 3 is provided with bottle cap 30, and in the present embodiment, the diameter of bottleneck 5 is 20cm, and aqueduct 6 extends to the inside of container 3 through bottle cap 30, and aqueduct 6 inside is provided with the first seal 7.Funnel 1 for collecting rainfall is connected to the top of aqueduct 6, and rainfall is collected by funnel 1 and entered in container 3 along aqueduct 6.The hollow plastic ball 13 that rainfall collection funnel 1 comprises funnel body 103, the body 104 be connected with funnel body 103 and is arranged in funnel body 103, the top of funnel body 103 is also provided with metal net mask 14; Arranging of metal net mask 14 can prevent hollow plastic ball 13 to be blown away on the one hand, can prevent large particle from falling into the inner blocking pipe of rainfall collection funnel 1 or affecting water sample on the other hand.
The inside of container 3 is provided with plastic sheeting 31, and the diameter of plastic sheeting 31 is the 80%-90% of container 3 internal diameter.The density of plastic sheeting 31 is less than water, can swim on liquid level, isolation gas phase and liquid phase, suppresses the rain evaporation of water of container 3.Diameter due to plastic sheeting 31 is slightly less than the internal diameter of container 3, and it can in the inside of container 3 along with the water surface freely up and down floats.
The outer wall of container 3 is provided with view window 32, and on region except view window 32 of the outer wall of container 3, be provided with shade 34, shade 34 is for shielded from sunlight, suppress evaporation, shade 34 can be film or shading coating, view window 32 place is provided with scale 33, and scale 33 for the amount of rainfall of measuring vessel 3, and observes liquid level position by view window 32.
As shown in Figure 3, the body 104 of funnel 1 is provided with a connecting end portion 101, and the diameter of connecting end portion 101 is along reducing gradually away from funnel body 103 direction, and the external diameter of connecting end portion 101 is slightly less than the internal diameter of aqueduct 6 on the whole.Connecting end portion 101 is arranged with annular seal 100, for making body 104 and aqueduct 6 compact siro spinning technology.In another embodiment, the body of funnel 1 104 and aqueduct 6 are formed in one part, and it is convenient that body 104 still has diminishing diameter, is so more conducive to manufacturing and using.
In remaining embodiment, funnel 1 and aqueduct 6 are integrated part, and the first seal 7 is arranged on aqueduct inside.Such structure, convenient manufacture and use, and be more conducive to seal container 3.
In the through hole 53 of bottle cap 30, be provided with gas outlet 8, gas outlet 8 comprises first end 81, the second end 82, and is arranged in second seal 9 for air seal of the second end 82.The shape of gas outlet 8 is set to inverted L-shaped, the first end 81 of gas outlet 8 to extend in bottle 4 and is positioned on liquid level, the second end 82 of gas outlet 8 is positioned at outside bottle 4 and Open Side Down, and the second end 82 and first end 81 be arranged in parallel the sealing state being more conducive to like this keeping being in necessity in container.
As shown in Figure 4, first seal 7 and the second seal 9 can be a kind of bearing type seal, it comprises base plate 200, the periphery of base plate 200 is provided with an annular flange flange 201, the inside center place of base plate 200 is provided with a turning axle 202, base plate 200 is distinguished into the left and right sides by turning axle 202, on movable block 203 side disposed therein, movable block 203 forms an inclined-plane 204 towards described turning axle 202 direction, movable block 203 and base plate 200 are in same level under normal circumstances, and namely seal is the closed condition playing sealing function.When rain enters, the movable block 203 of the first seal 7 is opened along turning axle 202 under the pressure of rainwater, at the end of rainfall, and the first seal 7 self-closed under the effect of movable block 203, thus suppress evaporation.When quantity of precipitation is larger, the movable block 203 of the second seal 9 is opened under the impact of air-flow, and 3 gases in container are discharged, being beneficial to rainfall enters in container 3, at the end of rainfall, the second seal 9 is automatically closed under the effect of movable block 203, thus ensures that container 3 is in sealing state further.
Supervising device 10 is also provided with in the through hole 54 of bottle cap 30, its can be collected in dynamic monitoring container 3 the temperature and humidity of precipitation sample, and the temperature and humidity of acquisition is transferred to remote controllers 36 by remote transmission device 35, thus realize the remote monitoring to precipitation sample.Supervising device 10 is arranged on the top of container 3 by connecting link 102, and connecting link 102 can be fixed in the through hole 54 of bottle cap 30 by O-ring seal 51.Supervising device 10 is connected with remote transmission device 35 communication by data transmission cable 12, and and then is connected with remote controllers 36.
Weighing unit 11 is arranged on the bottom of container 3, for the quantity of precipitation of measuring vessel 3 inside, and by remote transmission device 35, the quantity of precipitation measured is sent to remote controllers 36.In Precipitation Process, automatically can monitor quantity of precipitation by weighing unit 11, the amount effect that the weighted mean value for Hydrogen-oxygen Isotope in calculation sample carries out calculating and Study of Hydrogen oxygen isotope provides foundation.At the end of each precipitation, it is that (Wi/31.4=Pi, Wi are the weight of single precipitation to Pi (Pi unit is mm), and Wi unit is g) that weighing unit 11 monitors the quantity of precipitation obtained.Suppose that each quantity of precipitation is Pi, be respectively δ D relative to this precipitation hydrogen isotope and oxygen isotope
iand δ
18o
iif, month precipitation n time, then this month precipitation hydrogen isotope and oxygen isotope weighted mean value are respectively:
Remote transmission device 35 is provided with wireless transmitter device 40, and wireless transmitter device 40 is fixed on the side of casing 2 inside by web member, and wireless transmitter device 40 is provided with antenna.Wireless transmitter device 40 can will record temperature and humidity by GPRS wireless network and quantity of precipitation is sent to remote controllers 36.
Remote controllers 36 comprise central controller 360, memory storage 361, fractionation factor computing module 362 and man machine operation interface 50.Memory storage 361 and fractionation factor computing module 362 are connected with central controller 360 communication respectively, memory storage 361 is for storing the humidity, temperature and the quantity of precipitation that receive, and fractionation factor computing module 362 calculates Hydrogen-oxygen Isotope fractionation factor according to humidity, temperature and quantity of precipitation.Remote controllers 36 carry out storage process to the data received, and realize monitoring in real time.
Utilize the temperature and humidity data obtained in supervising device 10, just can calculate fractionation factor in fractionation factor computing module 362 in conjunction with relevant empirical parameter, then correct evaporative fractionation to the impact of Hydrogen-oxygen Isotope content in precipitation sample.Specifically, in container 3, temperature and humidity data can have influence on the Hydrogen-oxygen Isotope content of precipitation sample in container, and isotope fractionation can be divided into for Rayleigh HYDROGEN ISOTOPE EQUILIBRIUM FRACTIONATION BETWEEN and kinetic fractionation.With regard to Rayleigh HYDROGEN ISOTOPE EQUILIBRIUM FRACTIONATION BETWEEN, fractionation factor ε
erelevant with temperature; With regard to kinetic fractionation, on the basis of HYDROGEN ISOTOPE EQUILIBRIUM FRACTIONATION BETWEEN, also has the fractionation factor ε that additional
k, the factors such as it and humidity are relevant, and humidity is also time to time change, and the expression formula calculating fractionation factor is as follows:
If consider kinetic fractionation factor fractionation factor, be expressed as
α
e＝1+ε
e
α
k＝1+ε
e+Δε＝1+ε
e+ε
k
In formula; α
efor fractionation factor; ε
k=-C
k(1-h), (ε
k< 0); A, B, C, Ck are empirical constant; T is thermodynamic temperature; H is relative humidity, and these two factors are all time dependent amounts.Like this, like this, central controller 360 utilizes and calculate fractionation factor α in fractionation factor computing module 362
eand α
k.The detection of laser isotope analyser is utilized to collect the Hydrogen-oxygen Isotope composition of rainwater sample.Then utilize the fractionation factor calculated to detect to laser isotope analyser the Hydrogen-oxygen Isotope result obtained to correct.Finally monitor the quantity of precipitation Pi obtained in conjunction with weighing unit 11, accurately calculate the weighted mean value of Hydrogen-oxygen Isotope in precipitation sample.
The course of work of the present utility model is as described below:
When there being rainfall, rainfall enters into the inside of rainfall collection funnel 1, and when rain enters, the movable block 203 of the first seal 7 is opened along turning axle 202 under the pressure of rainwater, and rainwater enters rainfall by aqueduct 6 and gathers reservoir vessel 3.When quantity of precipitation is larger, the movable block 203 of the second seal 9 is opened under the impact of air-flow, and 3 gases in container are discharged, being beneficial to rainfall enters in container 3, at the end of rainfall, the first seal 7 self-closed under the effect of movable block 203, thus suppress evaporation.Second seal 9 also returns to off-position under the effect of movable block 203, thus ensures that container 3 is in sealing state further.Need the precipitation sample in container 3 to take out in the given time, first open cabinet door 25, and take out container 3 again take funnel 1 away from casing 2 after, open bottle cap 30, take out precipitation sample.
The temperature and humidity data of precipitation sample 34 collected in supervising device 10 real-time dynamic monitoring container 3, and the temperature and humidity data of acquisition are transferred to remote controllers 36 by remote transmission device 35, thus realize the remote monitoring to precipitation sample.The quantity of precipitation measured for the quantity of precipitation of measuring vessel 3 inside, and is sent to remote controllers 36 by remote transmission device 35 by weighing unit 11.In Precipitation Process, automatically can monitor quantity of precipitation by weighing unit 11, the amount effect that the weighted mean value for Hydrogen-oxygen Isotope in calculation sample carries out calculating and Study of Hydrogen oxygen isotope provides foundation.Wireless transmitter device 40 is connected with remote controllers 36 by wireless network communication, and the temperature and humidity monitored and quantity of precipitation are sent to remote controllers 36, and remote controllers 36 are provided with man machine operation interface 50.Can check that related data is gone forward side by side line operate by man machine operation interface 50, remote controllers 36 utilize and calculate fractionation factor α in fractionation factor computing modules 362
eand monitor in conjunction with weighing unit 11 the Hydrogen-oxygen Isotope content that the quantity of precipitation obtained is the precipitation sample collected by Pi can accurately calculate in container.
Last it is noted that above-described each embodiment is only for illustration of the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or to wherein partly or entirely technical characteristic carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. one kind is provided with the precipitation harvester of real-time dynamic monitoring assembly, the container for collecting rainfall comprising casing and be provided at its inner portion, described container comprises bottle, is positioned at bottleneck and the bottle cap on described bottle top, described container is arranged on a box house by base, it is characterized in that: described casing comprises cabinet and cabinet door, the bottom of described casing is provided with the chassis for static housing; Described bottle cap is provided with one with the aqueduct, of the first seal with the gas outlet of the second seal; Arrange one on the top of described aqueduct for collecting the funnel of rainfall, described gas outlet comprises first end and is provided with the second end of described second seal;
Described internal tank is provided with real-time dynamic monitoring assembly, described real-time dynamic monitoring assembly comprises one for measuring the supervising device and of precipitation humiture for measuring the weighing unit of quantity of precipitation, described supervising device is fixed on described bottle cap by connecting link, described weighing unit is fixed on described base, and described container is placed on described weighing unit;
Described supervising device and described weighing unit are connected with remote controllers by remote transmission device communication, described remote transmission device is provided with wireless transmitter device, and described supervising device and described weighing unit will record temperature, humidity and quantity of precipitation by described remote transmission device and be sent to described remote controllers;
Described remote controllers inside arranges central controller, memory storage and fractionation factor computing module, described memory storage and described fractionation factor computing module, described memory storage is for storing the humidity, temperature and the quantity of precipitation that receive, and described fractionation factor computing module calculates Hydrogen-oxygen Isotope fractionation factor according to humidity, temperature and quantity of precipitation.
2. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 1, it is characterized in that: described first seal and described second seal include base plate, be positioned at the annular flange flange on the periphery of base plate, be positioned at the turning axle at the inside center place of base plate, and be positioned at the movable block of described turning axle side, when rain enters described container, the movable block of described first seal is opened along described turning axle under the pressure of rainwater, at the end of rainfall, described first seal is automatically closed under the effect of movable block; When precipitation enters into harvester, the movable block of described second seal is opened under the impact of air-flow, and at the end of rainfall, described second seal is automatically closed under the effect of movable block.
3. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 1, it is characterized in that: the inside of described container is provided with plastic sheeting, the diameter of described plastic sheeting is the 80%-90% of described inside diameter of vessel, and the density of described plastic sheeting is less than the density of water thus can swims on the water surface.
4. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 1, is characterized in that: the shape of described gas outlet is set to inverted L-shaped, and described first end and described the second end be arranged in parallel.
5. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 2, it is characterized in that: the outside of described container is respectively arranged with liquid level observation window and shade, described shade covers all regions of described container except liquid level observation window.
6. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 5, it is characterized in that: the inside of described container is provided with the scale with scale for reading quantity of precipitation, and described scale is arranged on the position corresponding with described liquid level observation window.
7. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 1, it is characterized in that: described funnel comprises funnel body, the body be connected with described funnel body and the hollow plastic ball be arranged in described funnel body, and the top of described funnel is provided with metal net mask.
8. the precipitation harvester being provided with real-time dynamic monitoring assembly according to claim 7, is characterized in that: body and the described aqueduct of described funnel be integrated part or by described body be provided with one along away from the diminishing connecting end portion of described funnel body orient diameter and the annular seal that is set in connecting end portion together with described aqueduct compact siro spinning technology.
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|---|---|---|---|
| CN201420866670.7U CN204286876U (en) | 2014-12-31 | 2014-12-31 | A kind of precipitation harvester being provided with real-time dynamic monitoring assembly |
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|---|---|---|---|
| CN201420866670.7U CN204286876U (en) | 2014-12-31 | 2014-12-31 | A kind of precipitation harvester being provided with real-time dynamic monitoring assembly |
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Family
ID=52870025
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806667A (en) * | 2016-05-11 | 2016-07-27 | 西北农林科技大学 | Portable precipitation isotope sampler |
| CN113188850A (en) * | 2021-04-30 | 2021-07-30 | 厦门理工学院 | Rainfall collection device of remote control survey rainfall oxyhydrogen isotope |
-
2014
- 2014-12-31 CN CN201420866670.7U patent/CN204286876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806667A (en) * | 2016-05-11 | 2016-07-27 | 西北农林科技大学 | Portable precipitation isotope sampler |
| CN105806667B (en) * | 2016-05-11 | 2023-08-04 | 长安大学 | Portable precipitation isotope sampler |
| CN113188850A (en) * | 2021-04-30 | 2021-07-30 | 厦门理工学院 | Rainfall collection device of remote control survey rainfall oxyhydrogen isotope |
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