CN106769576B - Method and device for simulating crop stalk flow soil erosion - Google Patents
Method and device for simulating crop stalk flow soil erosion Download PDFInfo
- Publication number
- CN106769576B CN106769576B CN201611038997.5A CN201611038997A CN106769576B CN 106769576 B CN106769576 B CN 106769576B CN 201611038997 A CN201611038997 A CN 201611038997A CN 106769576 B CN106769576 B CN 106769576B
- Authority
- CN
- China
- Prior art keywords
- water
- flow
- subsystem
- soil erosion
- stalk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004162 soil erosion Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 238000004088 simulation Methods 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Cultivation Of Plants (AREA)
Abstract
本发明公开了一种模拟作物茎杆流土壤侵蚀的方法及其装置,模拟时将供水子系统(3)中的水通过供水管(19)注入水量调节子系统(15)的连通器(5)中;连通器(5)上部的水通过径流管(17)流入茎秆流土壤侵蚀模拟子系统(16)的茎干流模拟器(9)中,下部的水经过回流管(18)回到供水子系统(3)循环利用;进入茎干流模拟器(9)中的水流沿其下方的木棍(20)均匀流下,进入土壤坡面(13)下方的集流槽(14)中形成模拟茎杆流土壤侵蚀,然后记录数据并计算;本发明的技术方案能够在实验室模拟出植物茎杆流的状态,从而通过实验方法计算出径流量和土壤侵蚀量,为研究茎秆流土壤侵蚀作用提供帮助。
The invention discloses a method and a device for simulating crop stalk flow soil erosion. During the simulation, water in a water supply subsystem (3) is injected into a connector (5) of a water quantity adjustment subsystem (15) through a water supply pipe (19) ); the water in the upper part of the connector (5) flows into the stalk flow simulator (9) of the stalk flow soil erosion simulation subsystem (16) through the runoff pipe (17), and the water in the lower part flows back to the stalk flow simulator (9) through the return pipe (18) The water supply subsystem (3) is recycled; the water flow entering the stem flow simulator (9) flows down evenly along the wooden sticks (20) below it, and enters the collecting tank (14) below the soil slope (13) to form a simulated stalk flow soil erosion, and then record data and calculate; the technical solution of the present invention can simulate the state of plant stalk flow in the laboratory, thereby calculating the runoff and soil erosion through experimental methods, which is useful for the study of stalk flow soil erosion function to help.
Description
技术领域technical field
本发明属于茎杆流测量技术领域,具体涉及一种模拟作物茎杆流土壤侵蚀的方法及其装置。The invention belongs to the technical field of stalk flow measurement, and in particular relates to a method and a device for simulating crop stalk flow soil erosion.
背景技术Background technique
在自然界中,当降雨到达植物冠层后,一部分降水被植物冠层截留,并随茎秆流入地表形成茎秆流。茎秆流对地表土壤具有冲刷作用,造成植物周围一定范围内土壤侵蚀。因此,十分有必要在简化植物冠层截留条件下,建立一种模拟植物茎秆流的装置,为研究茎秆流土壤侵蚀作用提供帮助。In nature, when the rainfall reaches the plant canopy, a part of the precipitation is intercepted by the plant canopy and flows into the ground along with the stalks to form stalk flow. The stalk flow has a scouring effect on the surface soil, causing soil erosion in a certain range around the plant. Therefore, it is very necessary to establish a device for simulating plant stalk flow under the condition of simplified plant canopy interception, so as to provide assistance for the study of stalk flow soil erosion.
发明内容Contents of the invention
本发明要解决的技术问题是:提供一种水平排列模拟作物茎杆流土壤侵蚀的方法及其装置,从而为研究茎秆流土壤侵蚀作用提供帮助。The technical problem to be solved by the present invention is to provide a method and device for horizontally arranging and simulating soil erosion of crop stalk flow, so as to provide assistance for studying soil erosion of stalk flow.
本发明的技术方案是这样的:Technical scheme of the present invention is such:
本发明是这样一种模拟作物茎杆流土壤侵蚀的方法,它采用一种植物茎秆流模拟实验装置,该实验装置包括供水子系统、水量调节子系统和茎秆流土壤侵蚀模拟子系统;该方法包括如下步骤:The present invention is such a method for simulating crop stalk flow soil erosion, which adopts a plant stalk flow simulation experimental device, and the experimental device includes a water supply subsystem, a water volume regulation subsystem and a stalk flow soil erosion simulation subsystem; The method comprises the steps of:
步骤1:将供水子系统中的水通过供水管注入水量调节子系统的连通器中,并且保证水不断流入连通器中;连通器采用一大一小两个水桶将水流分为上下两部分,上部的水通过径流管流入茎秆流土壤侵蚀模拟子系统的茎干流模拟器中,下部的水经过回流管回到供水子系统循环利用;Step 1: Inject the water in the water supply subsystem into the connector of the water volume adjustment subsystem through the water supply pipe, and ensure that the water continuously flows into the connector; the connector uses two buckets, one large and one small, to divide the water flow into upper and lower parts. The water in the upper part flows into the stalk flow simulator of the stalk flow soil erosion simulation subsystem through the runoff pipe, and the water in the lower part returns to the water supply subsystem through the return pipe for recycling;
步骤2:进入茎干流模拟器中的水流沿其下方的木棍均匀流下,进入土壤坡面下方的集流槽中,待水流稳定后通过径流管上的流量计读取流量,并记录数据;Step 2: The water flowing into the stem flow simulator flows down evenly along the wooden stick below it, and enters the collecting tank below the soil slope. After the water flow is stable, read the flow through the flow meter on the runoff pipe and record the data;
步骤3:用收集器接收水流流经集流槽后形成的径流与泥沙,然后拿出收集器并编号;将收集器中的水和泥沙带回实验室;Step 3: Use a collector to receive the runoff and sediment formed after the water flows through the sump, then take out the collector and number it; bring the water and sediment in the collector back to the laboratory;
步骤4:在实验室中,用天平对收集器中的水沙样品称重,记为T1,后将水沙样品置于烘箱连续烘24小时;样品烘干后,从烘箱取出样品,放置室内,待其温度达到室温后,用天平对样品称重,记为T2;Step 4: In the laboratory, use a balance to weigh the water and sand samples in the collector, record it as T1, and then put the water and sand samples in the oven for continuous drying for 24 hours; after the samples are dried, take the samples out of the oven and place them indoors , after the temperature reaches room temperature, weigh the sample with a balance, and record it as T2;
步骤5:计算径流量和土壤侵蚀量,其中,径流量=T1-T2;土壤侵蚀量=T2-收集器皮重;Step 5: Calculate runoff and soil erosion, wherein, runoff=T1-T2; soil erosion=T2-collector tare;
步骤6:通过改变径流量,重复2、3步骤可以模拟不同等级茎秆流下的土壤侵蚀。Step 6: By changing the runoff and repeating
本发明的采用的一种植物茎秆流模拟实验装置是这样的:该实验装置包括供水子系统、水量调节子系统和茎秆流土壤侵蚀模拟子系统;A plant stalk flow simulation experimental device adopted in the present invention is as follows: the experimental device includes a water supply subsystem, a water volume regulation subsystem and a stalk flow soil erosion simulation subsystem;
所述供水子系统设有水泵;The water supply subsystem is provided with a water pump;
所述水量调节子系统包括连通器,该连通器包括一大一小两个水桶,小桶置于大桶中,小桶设有一个使水从其中流向大桶中的出水口;The water volume adjustment subsystem includes a connector, which includes two buckets, one large and one small, the small bucket is placed in the large bucket, and the small bucket is provided with a water outlet for water to flow from it to the large bucket;
所述茎秆流土壤侵蚀模拟子系统包括茎杆流模拟器,茎杆流模拟器的底部通过钉子连接一根木棍,木棍的底端插入土壤侵蚀槽中,所述土壤侵蚀槽是在模拟的土壤坡面上设置的U型槽,在该U型槽底部设有用于收集水沙样品的集流槽。The stalk flow soil erosion simulation subsystem includes a stalk flow simulator, the bottom of the stalk flow simulator is connected to a wooden stick by a nail, and the bottom end of the wooden stick is inserted into a soil erosion tank, and the soil erosion tank is simulated A U-shaped trough is set on the soil slope, and a collecting tank for collecting water and sand samples is arranged at the bottom of the U-shaped trough.
所述水泵通过供水管接入水量调节子系统,供水管的底端位于水量调节子系统的连通器中的小桶上。The water pump is connected to the water volume regulating subsystem through a water supply pipe, and the bottom end of the water supply pipe is located on the keg in the connector of the water volume regulating subsystem.
连通器中,小桶的上部低于大桶的上部,小桶的桶底悬空在大桶中;连通器通过两个水龙头向外输水,上部水龙头将小桶固定连接在大桶的一侧内壁并连通小桶和径流管,下部水龙头位于小桶的桶底下方,连通大桶和回流管。In the connecting device, the upper part of the small bucket is lower than the upper part of the large bucket, and the bottom of the small bucket is suspended in the large bucket; the connecting device transmits water to the outside through two faucets, and the upper faucet fixes the small bucket to the inner wall of one side of the large bucket and communicates The small bucket and the runoff pipe, the lower faucet is located under the bucket bottom of the small bucket, and communicates with the large bucket and the return pipe.
所述径流管上设有调节阀和流量计。The runoff pipe is provided with a regulating valve and a flow meter.
所述回流管的末端连接回到供水子系统中。The end of the return line is connected back into the water supply subsystem.
在所述木棍的顶端,安装一个径流控制器,径流控制器用于将水量调节子系统流出的水引至木棍上以产生茎秆流。On the top of the wooden stick, a runoff controller is installed, and the runoff controller is used to guide the water flowing out of the water volume regulating subsystem to the wooden stick to generate stalk flow.
本发明的技术方案能够在实验室模拟出植物茎杆流的状态,从而通过实验方法计算出径流量和土壤侵蚀量,为研究茎秆流土壤侵蚀作用提供帮助。The technical scheme of the invention can simulate the state of plant stalk flow in the laboratory, thereby calculating runoff and soil erosion through experimental methods, and providing help for studying the soil erosion effect of stalk flow.
附图说明Description of drawings
图1为本发明的植物茎秆流模拟实验装置。Fig. 1 is the plant stalk flow simulation experiment device of the present invention.
图2为本发明茎秆流土壤侵蚀模拟结果分析:不同茎秆流量条件下地表径流量比较。Fig. 2 is the analysis of soil erosion simulation results of stalk flow according to the present invention: comparison of surface runoff under different stalk flow conditions.
图3为本发明茎秆流土壤侵蚀模拟结果分析:不同茎秆流量条件下土壤侵蚀量比较。Fig. 3 is the analysis of soil erosion simulation results of stalk flow in the present invention: comparison of soil erosion under different stalk flow conditions.
附图标记说明:1-电源线,2-水泵,3-供水子系统,4-出水口,5-连通器,6-可伸缩支架,7-调节阀,8-流量计,9-茎杆流模拟器,10-钉子,11-径流控制器,12-U型槽,13-土壤坡面,14-收集槽,15-水量调节子系统,16-茎秆流土壤侵蚀模拟子系统,17-径流管,18-回流管,19-供水管,20-木棍。Description of reference signs: 1-power cord, 2-water pump, 3-water supply subsystem, 4-water outlet, 5-communicator, 6-extensible support, 7-regulating valve, 8-flow meter, 9-stalk Flow simulator, 10-nail, 11-runoff controller, 12-U-shaped trough, 13-soil slope, 14-collection tank, 15-water volume regulation subsystem, 16-stalk flow soil erosion simulation subsystem, 17 -Runoff pipe, 18-return pipe, 19-water supply pipe, 20-wooden stick.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步的详细说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
实施例1:Example 1:
本发明植物茎秆流土壤侵蚀模拟装置结构如图1所示。从图中可以看出,该装置主要包括供水子系统3、水量调节子系统15和茎秆流土壤侵蚀模拟子系统16。下面分别论述。The structure of the plant stalk flow soil erosion simulation device of the present invention is shown in FIG. 1 . It can be seen from the figure that the device mainly includes a
(1)供水子系统3:为装置运行提供水量,由储水容器和水2组成,水泵2通过电源线1接通电源。(1) Water supply subsystem 3: provides water for the operation of the device, and is composed of a water storage container and water 2, and the water pump 2 is connected to the power supply through the power line 1.
(2)水量调节子系统15:该系统主要由一个连通器5和其下方的可伸缩支架6构成,利用该系统可以为茎秆流土壤侵蚀模拟子系统16提供不同等级稳定的水流量。其中,连通器15由两只一大一小的水桶组成,小桶放入大桶中,小桶的上部低于大桶的上部,以便小桶中水满后能通过出水口4流入大桶中,大桶靠近底部的一侧可以安放一个水龙头,该水龙头连接回流管18,回流管18回接供水子系统3的储水容器。小桶紧靠大桶的一侧内壁用一个水龙头固定(注意不能漏水),小桶上部(高于水龙头的位置)可以用铁丝在小桶上钻口与大桶相连增加小桶的稳定性,固定小桶的水龙头与径流管17连接,径流管17上连接调节阀7和流量计8。(2) Water volume regulation subsystem 15: This system is mainly composed of a connector 5 and a
(3)茎秆流土壤侵蚀模拟子系统16:该系统由茎秆流模拟部件和土壤侵蚀槽构成。茎杆流模拟部件包括圆筒结构的茎杆流模拟器9和其下部的茎杆,二者之间通过钉子10连接,其中,茎秆用一根直径约1-3cm长约1-3m的木棍20(可以根据模拟植物类型选的参数)。在木棍20的顶端,安装一个径流控制器11可将水量调节系统流出的水引入茎秆装置,以产生茎秆流。茎秆流量可以通过流量计8测量。在土壤侵蚀槽底部设计一个U型槽12,U型槽12设置在土壤坡面13上,在土壤侵蚀槽填土之前,将木棍20底端固定在土壤侵蚀槽中。U型槽12下方是集流槽14,用于利用收集器收集水沙样本。(3) Stalk flow soil erosion simulation subsystem 16: This system consists of stalk flow simulation components and soil erosion tanks. The stalk flow simulation component includes a cylindrical
具体实施方式如下:The specific implementation is as follows:
(1)将供水子系统3中的水注入连通器5中,并且保证水不断流入连通其中,连通器5上部的水龙头中的水经过塑料管流入茎秆流土壤侵蚀模拟子系统15中,下部的水经过塑料管回到供水系统可以循环利用。(1) Inject the water in the
(2)将连通器5上部的塑料管放在茎秆流土壤侵蚀模拟子系统15上部,并固定保证水流平顺的沿木棍20均匀流下。2-3min后,水流基本稳定时,通过流量计8读取流量,并记录数据。(2) Put the plastic pipe on the upper part of the connector 5 on the upper part of the stalk flow soil
(3)用收集器接水流经过茎秆流土壤侵蚀模拟子系统15中的集流槽14形成的径流与泥沙,经过6min,拿出收集器并编号,1小时为一组。将收集器中的水和泥沙带回实验室,先用天平(精度0.001g)对样品称重,记为T1,后将水沙样品置于烘箱连续烘24小时(烘箱恒温100℃)。样品烘干后,从烘箱取出样品,放置室内,待其温度达到室温后,用天平(精度0.001g)对样品称重,记为T2。计算径流量和土壤侵蚀量。其中,径流量=T1-T2;土壤侵蚀量=T2-收集器皮重。(3) Use a collector to receive the runoff and sediment formed by the collecting
(4)通过改变径流量,重复2、3步骤可以模拟不同等级茎秆流下的土壤侵蚀。(4) By changing the runoff and repeating
试验结果:应用该技术,对玉米茎秆流土壤侵蚀进行了模拟研究,实验测量数据见图2和图3。从图中可以看出,在不同流量下,产生的径流侵蚀量和土壤侵蚀量明显不同,证明用此方法可以用来模拟植物茎秆流土壤侵蚀。Experimental results: Applying this technology, a simulation study of corn stalk flow soil erosion was carried out, and the experimental measurement data are shown in Figure 2 and Figure 3. It can be seen from the figure that under different flow rates, the amount of runoff erosion and soil erosion produced are obviously different, which proves that this method can be used to simulate plant stalk flow soil erosion.
当然,以上只是本发明的具体应用范例,本发明还有其他的实施方式,凡采用等同替换或等效变换形成的技术方案,均落在本发明所要求的保护范围之内。Certainly, the above are only specific application examples of the present invention, and there are other implementation modes in the present invention, and all technical solutions formed by equivalent replacement or transformation fall within the scope of protection required by the present invention.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611038997.5A CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611038997.5A CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106769576A CN106769576A (en) | 2017-05-31 |
CN106769576B true CN106769576B (en) | 2023-07-07 |
Family
ID=58975019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611038997.5A Active CN106769576B (en) | 2016-11-24 | 2016-11-24 | Method and device for simulating crop stalk flow soil erosion |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106769576B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459293B (en) * | 2019-01-16 | 2023-09-26 | 山东农业大学 | A device for collecting fluid from corn stalk wounds |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4618100A (en) * | 1984-11-27 | 1986-10-21 | Rain Bird Consumer Products Mfg. Corp. | Multiple pattern spray nozzle |
US4886541A (en) * | 1984-10-05 | 1989-12-12 | Washington State University Research Foundation | Method for treating cereal crop seed with chitosan to enhance yield, root growth and stem strength |
CN1602668A (en) * | 2004-11-17 | 2005-04-06 | 中国农业科学院农田灌溉研究所 | Method and device for controlling irrigation according to physiological response of crops to water shortage and adversity |
CN1959351A (en) * | 2006-11-08 | 2007-05-09 | 中国科学院合肥物质科学研究院 | Embedded agricultural plant growth environment detector and working method thereof |
CN101419058A (en) * | 2008-12-15 | 2009-04-29 | 北京农业信息技术研究中心 | Plant haulm diameter measurement device and measurement method based on machine vision |
CN102854300A (en) * | 2012-10-16 | 2013-01-02 | 贵州大学 | Measuring method for researching runoff and sediment production rule of overland flow and underground pore fracture flow |
CN204008636U (en) * | 2014-07-17 | 2014-12-10 | 四川农业大学 | A kind of Portable manual rainfall simulator |
CN104977629A (en) * | 2015-04-09 | 2015-10-14 | 中国科学院寒区旱区环境与工程研究所 | High-precision self-recording water surface evaporation measurement device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206269998U (en) * | 2016-11-24 | 2017-06-20 | 贵州大学 | A kind of plant haulm flow field simulation experimental provision |
CN110794116A (en) * | 2019-11-15 | 2020-02-14 | 贵州大学 | An experimental device to study the characteristics of rainwater conversion and soil erosion in karst slopes |
-
2016
- 2016-11-24 CN CN201611038997.5A patent/CN106769576B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4886541A (en) * | 1984-10-05 | 1989-12-12 | Washington State University Research Foundation | Method for treating cereal crop seed with chitosan to enhance yield, root growth and stem strength |
US4618100A (en) * | 1984-11-27 | 1986-10-21 | Rain Bird Consumer Products Mfg. Corp. | Multiple pattern spray nozzle |
CN1602668A (en) * | 2004-11-17 | 2005-04-06 | 中国农业科学院农田灌溉研究所 | Method and device for controlling irrigation according to physiological response of crops to water shortage and adversity |
CN1959351A (en) * | 2006-11-08 | 2007-05-09 | 中国科学院合肥物质科学研究院 | Embedded agricultural plant growth environment detector and working method thereof |
CN101419058A (en) * | 2008-12-15 | 2009-04-29 | 北京农业信息技术研究中心 | Plant haulm diameter measurement device and measurement method based on machine vision |
CN102854300A (en) * | 2012-10-16 | 2013-01-02 | 贵州大学 | Measuring method for researching runoff and sediment production rule of overland flow and underground pore fracture flow |
CN204008636U (en) * | 2014-07-17 | 2014-12-10 | 四川农业大学 | A kind of Portable manual rainfall simulator |
CN104977629A (en) * | 2015-04-09 | 2015-10-14 | 中国科学院寒区旱区环境与工程研究所 | High-precision self-recording water surface evaporation measurement device |
Also Published As
Publication number | Publication date |
---|---|
CN106769576A (en) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207717762U (en) | The experimental rig of rainfall evaporation in a kind of manual simulation room | |
CN104165817B (en) | Radial flow sediment content real-time measurement apparatus and measuring method | |
CN206269998U (en) | A kind of plant haulm flow field simulation experimental provision | |
CN105865745A (en) | Stratified flow simulation test water channel system | |
CN103868838B (en) | Soil body osmotic coefficient measuring system | |
CN106198341A (en) | Precipitation infiltration column simulation system and Unsaturated Hydraulic Conductivity assay method | |
CN110763606A (en) | Indoor batch determination device and method for soil saturated hydraulic conductivity | |
CN105004646A (en) | Indoor artificial rainfall-simulation testing system | |
CN103900842B (en) | A self-priming Venturi scrubber performance test system | |
CN108344653B (en) | Device and method for testing soil erosion resistance | |
CN104568734A (en) | System for monitoring metal corrosion behaviors in flowing corrosive medium | |
CN107238563A (en) | It is a kind of to determine head many native ring soil permeability detection means and its measuring method | |
CN105222986B (en) | One kind visualization liquid-liquid diphasic flow circuit experimental provision | |
CN103604734A (en) | Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system | |
CN106769576B (en) | Method and device for simulating crop stalk flow soil erosion | |
CN205691469U (en) | A kind of dynamic oil product corrosion experiment system | |
CN204346881U (en) | Metal erosion behavior monitoring system in Flow Corrosion medium | |
CN206168621U (en) | Controllable raininess rainfall simulation device in field | |
CN104569335B (en) | A kind of Novel oil well tungalloy coating wax control result pick-up unit | |
CN203630014U (en) | Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system | |
CN205027744U (en) | Side slope vegetation hydrological effect model | |
CN108956897B (en) | A kind of slow-release tracer slow-release rate measurement experimental device and experimental method | |
CN212159804U (en) | A soil disintegration test device with controllable temperature and flow rate | |
CN204027954U (en) | Radial flow sediment content real-time measurement apparatus | |
CN205982257U (en) | Rainfall infiltration analogue means based on indoor native column experiment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |