CN102879235A - Soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil - Google Patents
Soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil Download PDFInfo
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- CN102879235A CN102879235A CN2011101990753A CN201110199075A CN102879235A CN 102879235 A CN102879235 A CN 102879235A CN 2011101990753 A CN2011101990753 A CN 2011101990753A CN 201110199075 A CN201110199075 A CN 201110199075A CN 102879235 A CN102879235 A CN 102879235A
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Abstract
The invention discloses a soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil. The soil gas collector consists of samplers, a control cabinet and a microclimate acquisition instrument; a micro gas inlet is formed in the tube wall of the lower end of a sampling protection tube; an antifreeze heating tape coats the outer wall of the sampling protection tube; a plastic upper cover is arranged at the top end of the sampling protection tube; a plastic lower plug is arranged at the bottom of the sampling protection tube and is fixed by a screw; a silica tube plug is arranged in the sampling protection tube; a vacuum pump, an inverter power supply and a filter are arranged in the control cabinet; and the microclimate acquisition instrument consists of a wind speed cup, a wind vane, an air temperature and humidity sensor and a ground temperature sensor. By the soil gas collector, the blockage interference with the micro gas inlet caused by soil particles, water and ice can be avoided; the soil greenhouse gas in a certain depth range can be collected; simultaneously outside air is prevented from entering the gas collection tube; the amount of the collected gas is increased by sucking the gas by utilizing mobile gas sucking equipment consisting of a gas pump and the like, so that experimental errors can be further eliminated, and the experimental precision can be improved; and soil gas collectors can be distributed in the soil at different depths according to experimental requirements to collect the soil greenhouse gases in different depth ranges, so that the greenhouse gas concentration in each depth range of a soil profile is monitored periodically. The soil gas collector is simple in structure, convenient to operate, and suitable for observing a plurality of points at the same time.
Description
Technical field
The present invention relates to the test apparatus equipment technical field, is a kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing specifically.
Background technology
As everyone knows, the terrestrial climate system change take climate warming as principal character is undisputable fact.Under the background of climate warming, the Qinghai-xizang Plateau Region ever frost presents degeneration in various degree, may cause soil organic matter that Permafrost Area is a large amount of and nitrogen with the form of greenhouse gases (such as CO
2And N
2O etc.) enter atmosphere, show positive feedback effect, therefore, generation mechanism and the influence factor of research Soil Trace Gases have important practical significance for the ecologic environment of control greenhouse gas emission with protection arid biogeographic zone, permafrost region.At frozen soil mobile layer freeze-thawing process of soil frequent occurrence period, the greenhouse gases in the position monitor arid biogeographic zone frozen soil layer different depth soil, it is the common hot issue of paying close attention to of pedology, ecology, desert science and cryosphere scientific research person.Mo kao grotto at Dunhuang research Soil Trace Gases concentration profile distribute and with the relation of soil physico-chemical property; help to disclose that the soil percent of greenhouse gases produces, accumulation, transportation and biology and the physical process of discharging in atmosphere and the grottoes, to research protection Mo kao grotto at Dunhuang culture with in the research of global soil desertification, have great importance.
At present, the researcher mainly concentrates on the flux monitoring of earth's surface greenhouse gases, and less to the study on monitoring of soil profile greenhouse gases, this mainly is subject to the restriction of test apparatus.Because the alternate freezing and thawing effect often occurs frozen soil mobile layer soil, often can stop up the air admission hole of gas collecting during holard glaciation, this has brought very large obstacle for other porous soil gas collecting device application in this zone.At present existing researcher utilizes single pore that the soil gas sample of different depth is monitored, but because it only represents the soil gas of a certain degree of depth, be difficult to combine generation mechanism and the influence factor of analyzing greenhouse gases with the soil physico-chemical property of concrete depth range, this has brought very large error and uncertainty to test findings.
Summary of the invention
In sum, the object of the present invention is to provide a kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing, this invention overcomes the defective of existing soil gas harvester, can under the field environment that various low temperatures, arid, humidity or alternate freezing and thawing take place frequently, use, improve the accuracy of test.
The objective of the invention is to realize by following technology:
A kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing is made of sampler, switch board and microclimate acquisition system:
Sampler connects the rapid-acting coupling flexible pipe by the rapid-acting coupling valve; The rapid-acting coupling flexible pipe is connected with air intake valve on the switch board; The valve of giving vent to anger on the switch board connects gas-storing bag; Inverter in the switch board is connected with accumulator jar; Solar panel is connected with solar charger, and accumulator jar connects solar charger and microclimate acquisition system;
Sampler comprises sampler I, sampler II, sampler III, sampler IV, sampler V, sampler VI; Sampler is made of stopple coupon, elbow connection pipe, upper plastic cover, nontoxic silica gel pipe close, antifreeze heating tape, sampling protection cylinder, plastics lower end cap; Sampling protection cylinder lower end barrel has little air admission hole, and its outer wall wraps up antifreeze heating tape, and there is upper plastic cover on the top, and the bottom has the plastics lower end cap to fix by fixed screw; In the sampling protection cylinder nontoxic silica gel pipe close is set; Nontoxic silica gel pipe close center pit is passed in the stopple coupon lower end, and fixes by pipe collar and nut and nontoxic silica gel pipe close; Its upper end is passed upper plastic cover and is connected with the elbow connection handle;
Switch board is built-in with vacuum pump, inverter and filtrator; Its panel is provided with pilot lamp, inverter switch, air pump switch, heating tape switch, air pump flow valve and supply socket;
The microclimate acquisition system is made of microclimate Acquisition Instrument, wind speed cup, weathervane, aerial temperature and humidity and ground temperature sensor;
Supply socket connects antifreeze heating tape by the heating tape plug.
Advantage of the present invention and beneficial effect:
1, the present invention can be according to the different tests purpose; be laid in the field soil environment that various low temperature, arid, humidity or alternate freezing and thawing take place frequently; mainly be that sampling protection cylinder is embedded in the soil by different depth; utilize nontoxic silica gel pipe close to block the little air admission hole of sampling; anti-sealing or its thing enter in the sampler barrel, keep the pure inclusion-free of gas in the sampling cylinder.
2, the present invention is enclosed with the heating tape at sampling protection cylinder lower end outer wall; when high height above sea level or Cold zone are taken a sample; if little air admission hole is freezed by moisture content; can be by the heating tape with ice-out; whole equipment can normally be moved; disappear and freeze or change sampler and need not take out sampler barrel, greatly improved work efficiency, alleviated labour intensity, saved sample time.
3, the present invention can be according to the requirement processing cartridge type soil profile gas collecting apparatus that gathers greenhouse gases in a certain depth of soil scope, gather the Soil Trace Gases of different depth scope, thus the greenhouse gas concentration in the periodic monitoring soil profile different depth scope.
4, the present invention is that 220 couchers are made voltage by inverter with the 12V voltage transitions by sun power to 12 volts of accumulator jars chargings again, the utility model can normally be carried out the work in the open air, make things convenient for the gas collecting that carries out soil in various environment and region, made things convenient for the sampling of scientific research research and archaeology geology soil.
5, the present invention increases the gas flow that gathers by micro vacuum air pump Automatic-bleeding, can have enough gas flows to satisfy the testing requirement of different greenhouse gas concentrations fully, improves the test degree of accuracy with this; Simultaneously, give vent to anger valve and with the escape pipe of syringe needle of minipump utilization can be collected into the gas production bag with the gaseous sample that extracts easily.
6, the present invention forms the packaged type air-extractor by gas-storing bag, the valve of giving vent to anger, escape pipe, switch board, earth's surface, accumulator jar, power lead, silicone tube, can dismantle after finishing the gaseous sample collection and use in other collection point.
7, the present invention is simple in structure, easy to operate, be applicable to the field environment (such as high and cold permafrost region) that various low temperature, arid, humidity or alternate freezing and thawing take place frequently, and suitable multiple spot is observed simultaneously.
8, the present invention forms the microclimate acquisition system by wind speed, wind direction, aerial temperature and humidity and ground temperature sensor with Acquisition Instrument, the microclimate of while during collecting and sampling.
Description of drawings
Fig. 1 is structural representation of the present invention.
FIG 1: - sampler Ⅰ, 2 - Sampler Ⅱ, 3 - sampler Ⅲ, 4 - sampler Ⅳ, 5 - Sampler Ⅴ, 6 - Sampler Ⅵ, 7 - sampling tube, 8 - Elbow handle, 9 - plastic cover, 10 - non-toxic silicone plugs, 11 - nuts, 12 - antifreeze heater band, 13 - sampling protective tube, 14 - under plastic plug, 15 - sampling micro intake, 16 - pipe clamps, 17 - screw, 18 - Quick Coupling valve, 19 - plus tropical plug, 20 - quick connector hose, 21 - intake valve, 22 - vacuum, 23 - power Inverter, 24 - indicator, 25 - inverter power Switch , 26 - pump switch, 27 - plus tropical switch, 28 - accumulator battery, 29 - chargers, 30 - solar panels, 31 - filters, 32 - flow valve, 33 - control cabinet, 34 - outlet valve, 35 - reservoir bags, 36 - connection hose, 37 - wind cup, 38 - weathervane, 39 - air temperature and humidity, 40 - geothermal, 41 - power outlet, 42 - microclimate logger
Embodiment
The present invention will be further described below in conjunction with accompanying drawing 1:
As shown in Figure 1, a kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing is made of sampler, switch board and microclimate acquisition system:
Sampler connects rapid-acting coupling flexible pipe 20 by rapid-acting coupling valve 18; Rapid-acting coupling flexible pipe 20 is connected with air intake valve 21 on the switch board 33; The valve 34 of giving vent to anger on the switch board 33 connects gas-storing bag 35; Inverter 23 in the switch board 33 is connected with accumulator jar 28; Solar panel 30 is connected with solar charger 29, and accumulator jar 28 connects solar charger 29 and microclimate acquisition system;
Sampler comprises sampler I 1, sampler II 2, sampler III 3, sampler IV 4, sampler V 5, sampler VI 6, sampler is made of stopple coupon 7, elbow connection pipe 8, upper plastic cover 9, nontoxic silica gel pipe close 10, antifreeze heating tape 12, sampling protection cylinder 13, plastics lower end cap 14, sampling protection cylinder 13 lower end barrels have little air admission hole 15, its outer wall wraps up antifreeze heating tape 12, there is upper plastic cover 9 on the top, the bottom has plastics lower end cap 19 fixing by fixed screw 17, and sampling protection cylinder 13 is interior to arrange nontoxic silica gel pipe close 10; Nontoxic silica gel pipe close 10 center pits are passed in stopple coupon 7 lower ends, and fix with nontoxic silica gel pipe close 10 by pipe collar 16 and nut 11; Its upper end is passed upper plastic cover 9 and is connected with elbow connection handle 8;
Switch board 33 is built-in with vacuum pump 22, inverter 23 and filtrator 31; Its panel is provided with pilot lamp 24, inverter switch 25, air pump switch 26, heating tape switch 27, air pump flow valve 32 and supply socket 41;
The microclimate acquisition system is made of microclimate Acquisition Instrument 42, wind speed cup 37, weathervane 38, aerial temperature and humidity 39 and ground temperature sensor 40;
Supply socket 41 connects antifreeze heating tape 12 by heating tape plug 19.
Embodiment:
At first, in the field test sample ground of choosing, bury diameter underground and be the different depth waterproof anti-freezing sampler that 38 millimeters, length are respectively 300,400,500,600,700 millimeters, be depressed into nontoxic silica gel pipe close 10 minimum, block little air admission hole 15 fully, avoid the infiltration of other gas and moisture, stopple coupon 7 upper end connecting bending joint handle 8 and rapid-acting coupling valve 18 1 ends, rapid-acting coupling valve 18 is in closed condition, has buried one period of back balance;
When observation the switch board 33 of moveable part, accumulator jar 28 and gas-storing bag 35, forming the packaged type air-extractor by silicone tube is connected with sampling rapid-acting coupling valve 18 other ends, gas-storing bag 35 is connected the valve 34 of giving vent to anger, and the gas sampled uninterrupted is by flow valve 32 controls; When carrying out the soil gas sampling, rapid-acting coupling valve 18 is opened, carry elbow connection handle 8 firmly stopple coupon 7 is mentioned 120 millimeters together with nontoxic silica gel pipe close 10, make sampling protection cylinder 13 lower ends be full of required soil gas by the little air admission hole 15 on the sampling protection cylinder 13, simultaneously already installed packaged type air-extractor is connected with valve 18 other ends by rapid-acting coupling, if little air admission hole 15 freezes when gathering gas, utilize antifreeze heating tape 12 to melt ice sheet, the heating soil moisture melts the ice in little air admission hole 15, makes little air admission hole 15 gas circuits on the sampling protection cylinder 13 unimpeded; The vacuum pump 22 of opening at last in the switch board 33 reaches extraction gas sample, collects required soil gas by gas-storing bag 35; After this point has been surveyed, rapid-acting coupling valve 18 is unloaded, turn off power supply, pull out rapid-acting coupling flexible pipe 20 and transfer to next observation station and carry out above operation.
3 samplings are set respectively in 5 sample ground to be repeated a little; the waterproof anti-freezing sampler is imbedded respectively the degree of depth of underground 300mm, 400mm, 500mm, 600mm, 700mm; make sampling protection cylinder 13 appearance soil conservation original states as far as possible; little air admission hole 15 is finished sampling process with soil by stopple coupon 7; begin to mid-October from late May; sample frequency with average every 5-10 days is carried out the collection of gaseous sample; each 200 milliliters of gases that gather inject in the sampling airbag, and number record is transported back in the laboratory and in time analyzed.Sampling time is fixed on every morning 8:30 to 10:00 substantially, distinguishes simultaneously the stingy marquis's data of synchronous acquisition.
The present invention is in test or field work, can be according to demand, utilize daytime solar panel 30 to charge to accumulator jar 28 by charger 29, give simultaneously the microclimate acquisition system that is formed by microclimate Acquisition Instrument 42, wind speed cup 37, weathervane 38, aerial temperature and humidity 39 and ground temperature sensor 40 power supply, the microclimate value during collecting and sampling.
Claims (3)
1. one kind is used for the soil gas collector that low temperature arid humidity and alternate freezing and thawing take place frequently, and by sampler, switch board (33) and microclimate acquisition system formation, it is characterized in that:
A. sampler connects rapid-acting coupling flexible pipe (20) by rapid-acting coupling valve (18); Rapid-acting coupling flexible pipe (20) is connected with air intake valve (21) on the switch board (33); The valve of giving vent to anger (34) on the switch board (33) connects gas-storing bag (35); Inverter (23) in the switch board (33) is connected with accumulator jar (28); Solar panel (30) is connected with solar charger (29), and accumulator jar (28) connects solar charger (29) and microclimate acquisition system;
B. sampler comprises sampler I (1), sampler II (2), sampler III (3), sampler IV (4), sampler V (5), sampler VI (6); Sampler is made of stopple coupon (7), elbow connection pipe (8), upper plastic cover (9), nontoxic silica gel pipe close (10), antifreeze heating tape (12), sampling protection cylinder (13), plastics lower end cap (14); Sampling protection cylinder (13) lower end barrel has little air admission hole (15), and its outer wall wraps up antifreeze heating tape (12), and there is upper plastic cover (9) on the top, and the bottom has plastics lower end cap (19) fixing by fixed screw (17); In the sampling protection cylinder (13) nontoxic silica gel pipe close (10) is set; Nontoxic silica gel pipe close (10) center pit is passed in stainless steel stopple coupon (7) lower end, and fixing with nontoxic silica gel pipe close (10) by pipe collar (16) and nut (11), its upper end is passed upper plastic cover (9) and is connected with elbow connection handle (8);
C. switch board (33) is built-in with vacuum pump (22), inverter (23) and filtrator (31); Its panel is provided with pilot lamp (24), inverter switch (25), air pump switch (26), heating tape switch (27), air pump flow valve (32) and supply socket (41);
2. a kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing as claimed in claim 1, it is characterized in that: described microclimate acquisition system is by microclimate Acquisition Instrument (42), wind speed cup (37), weathervane (38), aerial temperature and humidity (39) and ground temperature sensor (40) formation;
3. a kind of soil gas collector that takes place frequently for low temperature arid humidity and alternate freezing and thawing as claimed in claim 1, it is characterized in that: described supply socket (41) connects antifreeze heating tape (12) by heating tape plug (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101990753A CN102879235A (en) | 2011-07-15 | 2011-07-15 | Soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101990753A CN102879235A (en) | 2011-07-15 | 2011-07-15 | Soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil |
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| Publication Number | Publication Date |
|---|---|
| CN102879235A true CN102879235A (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101990753A Pending CN102879235A (en) | 2011-07-15 | 2011-07-15 | Soil gas collector for alternately frequent low temperature, drought, wet, freezing and thawing soil |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629865A (en) * | 2013-12-16 | 2014-03-12 | 王怡岷 | Solar energy-based terrestrial heat temperature compensation system and construction method thereof |
| CN103698167A (en) * | 2014-01-04 | 2014-04-02 | 上海市环境科学研究院 | Portable controllable automatic soil gas quantitative sampling device |
| CN104181010A (en) * | 2014-08-12 | 2014-12-03 | 四川崇州粮油储备有限责任公司 | Cereal sampler capable of achieving multilevel sampling in transverse direction and longitudinal direction |
| CN104266685A (en) * | 2014-10-22 | 2015-01-07 | 泸州品创科技有限公司 | Solid-state fermentation monitoring device |
| CN104502158A (en) * | 2014-11-21 | 2015-04-08 | 北京林业大学 | Soil gas sampling system |
| CN105572318A (en) * | 2015-12-09 | 2016-05-11 | 东北师范大学 | In-situ monitoring soil freeze-thawing device and method for testing soil carbon loss on basis of device |
| CN107063775A (en) * | 2017-03-06 | 2017-08-18 | 华南理工大学 | A kind of simple type deep soil gas sampler and its method for sampling |
| CN107271473A (en) * | 2017-08-22 | 2017-10-20 | 中国科学院寒区旱区环境与工程研究所 | The indoor simulated system that frozen-thaw process influences on soil environment |
| CN107356726A (en) * | 2017-08-22 | 2017-11-17 | 中国科学院寒区旱区环境与工程研究所 | Permafrost Degeneration process chamber simulation system |
| CN110108522A (en) * | 2019-06-03 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of dust preventing component, a kind of soil gas detection sampler and its application method |
| CN111678726A (en) * | 2020-06-18 | 2020-09-18 | 西安源丰诚工程咨询有限公司 | Drilling geotome for frozen soil and frozen soil collection method using same |
| CN116678687A (en) * | 2023-08-03 | 2023-09-01 | 兰州城市学院 | Soil multi-depth greenhouse gas collection equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046703A (en) * | 1998-07-30 | 2000-02-18 | Ebara Corp | Device and method for sampling gas in soil |
| JP2001221724A (en) * | 2000-02-09 | 2001-08-17 | Ebara Corp | Sampling method and apparatus for soil gas |
| CN1932476A (en) * | 2006-09-08 | 2007-03-21 | 甘肃省治沙研究所 | Sand devil sand dust airosol density real-time monitoring instrument |
| CN101776542A (en) * | 2009-01-11 | 2010-07-14 | 中国科学院寒区旱区环境与工程研究所 | Soil-plant system gas exchange continuous measurement acquisition device |
| CN202195972U (en) * | 2011-07-15 | 2012-04-18 | 敦煌研究院 | Soil gas collector for soil in environments with low temperature, drought, moist as well as alternate and frequent freeze-thaw |
-
2011
- 2011-07-15 CN CN2011101990753A patent/CN102879235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046703A (en) * | 1998-07-30 | 2000-02-18 | Ebara Corp | Device and method for sampling gas in soil |
| JP2001221724A (en) * | 2000-02-09 | 2001-08-17 | Ebara Corp | Sampling method and apparatus for soil gas |
| CN1932476A (en) * | 2006-09-08 | 2007-03-21 | 甘肃省治沙研究所 | Sand devil sand dust airosol density real-time monitoring instrument |
| CN101776542A (en) * | 2009-01-11 | 2010-07-14 | 中国科学院寒区旱区环境与工程研究所 | Soil-plant system gas exchange continuous measurement acquisition device |
| CN202195972U (en) * | 2011-07-15 | 2012-04-18 | 敦煌研究院 | Soil gas collector for soil in environments with low temperature, drought, moist as well as alternate and frequent freeze-thaw |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629865A (en) * | 2013-12-16 | 2014-03-12 | 王怡岷 | Solar energy-based terrestrial heat temperature compensation system and construction method thereof |
| CN103629865B (en) * | 2013-12-16 | 2015-10-28 | 王怡岷 | A kind of terrestrial heat temperature compensation system construction method based on solar energy |
| CN103698167B (en) * | 2014-01-04 | 2016-05-11 | 上海市环境科学研究院 | Portable controlled automation soil gas quantitative sampling device |
| CN103698167A (en) * | 2014-01-04 | 2014-04-02 | 上海市环境科学研究院 | Portable controllable automatic soil gas quantitative sampling device |
| CN104181010A (en) * | 2014-08-12 | 2014-12-03 | 四川崇州粮油储备有限责任公司 | Cereal sampler capable of achieving multilevel sampling in transverse direction and longitudinal direction |
| CN104266685A (en) * | 2014-10-22 | 2015-01-07 | 泸州品创科技有限公司 | Solid-state fermentation monitoring device |
| CN104266685B (en) * | 2014-10-22 | 2016-08-24 | 泸州品创科技有限公司 | Solid state fermentation monitoring device |
| CN104502158A (en) * | 2014-11-21 | 2015-04-08 | 北京林业大学 | Soil gas sampling system |
| CN105572318A (en) * | 2015-12-09 | 2016-05-11 | 东北师范大学 | In-situ monitoring soil freeze-thawing device and method for testing soil carbon loss on basis of device |
| CN105572318B (en) * | 2015-12-09 | 2017-07-21 | 东北师范大学 | In-situ monitoring soil freezing-thawing device and the method that soil carbon loss is determined based on the device |
| CN107063775A (en) * | 2017-03-06 | 2017-08-18 | 华南理工大学 | A kind of simple type deep soil gas sampler and its method for sampling |
| CN107271473A (en) * | 2017-08-22 | 2017-10-20 | 中国科学院寒区旱区环境与工程研究所 | The indoor simulated system that frozen-thaw process influences on soil environment |
| CN107356726A (en) * | 2017-08-22 | 2017-11-17 | 中国科学院寒区旱区环境与工程研究所 | Permafrost Degeneration process chamber simulation system |
| CN107356726B (en) * | 2017-08-22 | 2023-05-12 | 中国科学院西北生态环境资源研究院 | Indoor simulation system for permafrost degradation process |
| CN110108522A (en) * | 2019-06-03 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of dust preventing component, a kind of soil gas detection sampler and its application method |
| CN111678726A (en) * | 2020-06-18 | 2020-09-18 | 西安源丰诚工程咨询有限公司 | Drilling geotome for frozen soil and frozen soil collection method using same |
| CN116678687A (en) * | 2023-08-03 | 2023-09-01 | 兰州城市学院 | Soil multi-depth greenhouse gas collection equipment |
| CN116678687B (en) * | 2023-08-03 | 2023-09-29 | 兰州城市学院 | Soil multi-depth greenhouse gas collection equipment |
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Application publication date: 20130116 |