CN116395777B - Dissolved oxygen removing device in water for identifying flooding resistance - Google Patents
Dissolved oxygen removing device in water for identifying flooding resistance Download PDFInfo
- Publication number
- CN116395777B CN116395777B CN202310510387.4A CN202310510387A CN116395777B CN 116395777 B CN116395777 B CN 116395777B CN 202310510387 A CN202310510387 A CN 202310510387A CN 116395777 B CN116395777 B CN 116395777B
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- Prior art keywords
- test tube
- double
- water
- dissolved oxygen
- pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 37
- 239000001301 oxygen Substances 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 97
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 2
- 241000209094 Oryza Species 0.000 abstract description 23
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 23
- 235000009566 rice Nutrition 0.000 abstract description 23
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000010899 nucleation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000035784 germination Effects 0.000 description 5
- 238000013095 identification testing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of rice flooding resistance identification, and discloses an in-water dissolved oxygen removal device for the rice flooding resistance identification, which comprises a supporting top plate, wherein the supporting top plate is rectangular, each corner of the supporting top plate is fixedly connected with a bracket, a plurality of test tube placing ports are uniformly formed in the middle of the supporting top plate, a double-port test tube is placed through the test tube placing ports, the top end of the double-port test tube is fixedly connected with an anti-falling collar, and the middle of the double-port test tube is movably sleeved with a pressure control piston. According to the invention, the double-port test tube is matched with the detachable piston for testing, so that the cleaning before and after the testing is convenient; the movement of the piston is matched with the sealing top cover, so that the pressure of experimental water in a test tube is reduced, dissolved oxygen in the experimental water overflows, and the influence of different dissolved oxygen on the result of a flooding resistance test is avoided; the integrated operation is controlled by using the combined control chain, so that experimental errors are reduced; by arranging a plurality of groups of double-port test tubes, the stepped test of different oxygen contents in water is realized.
Description
Technical Field
The invention relates to the technical field of rice flooding resistance identification, in particular to an in-water dissolved oxygen removal device for the flooding resistance identification.
Background
The direct seeding technique of paddy rice has the advantages of light weight, high efficiency, water saving and labor saving, and gradually becomes an ideal mode of light, simple and efficient cultivation of paddy rice in modern agriculture, the successful seedling formation of direct seeding rice is a first problem of success of the direct seeding cultivation technique of paddy rice and a first difficulty of influencing high yield and stable yield of direct seeding rice, the smooth seedling formation of the direct seeding rice against stress of various adverse ecological environments in fields during germination of the direct seeding rice is an important target for breeding of direct seeding rice varieties, flooding in the sowing period of the direct seeding rice causes field ponding, seeds are in a flooding environment and are most commonly influenced and most serious factors in the seedling formation of the direct seeding rice, the flooding environment is favorable for controlling weed defects and is unfavorable for the seedling formation of the direct seeding rice, and therefore, the breeding of the direct seeding rice varieties with good germination and flooding resistance has extremely important significance to the paddy industry.
In the process of carrying out flood resistance identification and screening out strong flood resistance breeding parents, the oxygen consumption of a root system is an important standard for detecting the flood resistance of rice, the influence of the difference of initial dissolved oxygen content in water on germination and seedling formation results of seeds in a flood environment is different, the influence of the dissolved oxygen in water on the result of a flood resistance identification test is often ignored in test operation, and a device for removing the dissolved oxygen in water in the rice flood resistance identification test is lacked, so that the accurate result of the rice flood resistance identification test is not facilitated; in the existing rice flooding resistance identification experiment, a step test can not be performed aiming at different water oxygen contents, and the influence of the different water oxygen contents on seed selection to be identified is difficult to study; the cleaning steps of the device used in the existing flooding-resistant identification test are complicated, and a lot of time is consumed by testers in the early-stage preparation work, so that the improvement of the test efficiency is not facilitated.
Disclosure of Invention
Aiming at the defects in the existing rice flooding-resistant test process, the invention provides a device for removing dissolved oxygen in water for identifying the flooding resistance.
The invention provides the following technical scheme: the utility model provides a water internal dissolved oxygen remove device for identifying flooding resistance, includes the supporting roof, the supporting roof is the rectangle, each fixedly connected with support in its four angles department, a plurality of test tubes have evenly been seted up in the middle of supporting roof and have been placed the mouth, have placed two mouthfuls of test tubes through the test tube, the top fixedly connected with anticreep lantern ring of two mouthfuls of test tubes, the pressure control piston has been cup jointed in the middle activity of two mouthfuls of test tubes, the pressure control piston includes rubber collet, allies oneself with accuse gear and screw thread groove, the rubber collet is located the top of pressure control piston, allies oneself with accuse gear fixed connection in the bottom of pressure control piston, the side of pressure control piston is provided with the screw thread groove, the intermediate position fixedly connected with accuse pressure bottom plate of support, allies oneself with accuse chain in the outside meshing of accuse gear, the back fixed mounting of supporting roof has the top cap pivot, and has sealed top cap through top cap movable mounting, sealed top cap just is just to the pressure release mouth has been seted up to the position of pressure release mouth on the supporting roof, the inboard fixed mounting of pressure release mouth has the slide rail, the outside of pressure release mouth, the apron is just fixed mounting has the movable mounting pressure release lid through the slide rail
Preferably, the outer diameter of the anti-drop lantern ring is larger than the opening diameter of the test tube placing port, the diameter of the sealing inner ring is consistent with the diameter of the upper port of the double-port test tube, and the inner sealing of the support top plate is kept when the double-port test tube is closed.
Preferably, the rubber collet is soft rubber material, and its diameter is unanimous with the internal diameter of two mouthfuls of test tubes, the outside of two mouthfuls of test tubes is provided with the scale.
Preferably, the pressure control bottom plate is parallel to the supporting top plate, a threaded opening is formed in a position opposite to the test tube placing opening on the supporting top plate, and the threaded opening formed in the pressure control bottom plate is matched with the threaded groove.
Preferably, the one combined control chain is connected with the same row of thread grooves, and an anti-skid groove is arranged on the outer side of the combined control chain.
Preferably, the seal top cover can be rotatably buckled to the upper surface of the support top plate around a top cover rotating shaft.
Preferably, the pressure relief cover can move left and right along the cover plate sliding rail to realize the opening and closing of the pressure relief opening.
The invention has the following beneficial effects:
1. according to the invention, the double-port test tube is matched with the detachable piston for testing, so that the cleaning before and after the testing is convenient; the movement of the piston is matched with the sealing top cover, so that the pressure of experimental water in a test tube is reduced, dissolved oxygen in the experimental water overflows, and the influence of different dissolved oxygen on the result of a flooding resistance test is avoided; the integrated operation is controlled by using the combined control chain, so that experimental errors are reduced; by arranging a plurality of groups of double-port test tubes, the stepped test of different oxygen contents in water is realized.
2. According to the invention, the single-port test tube used in germination of the flood-resistant identification is replaced by the double-port test tube, and the detachable movable piston is additionally arranged at the bottom of the single-port test tube, so that the device can be freely detached, the device is convenient to clean quickly, a large amount of test time consumed by the device which is difficult to clean is avoided, and the problem that the operation steps are increased so as to influence the efficiency of the test is solved.
3. According to the invention, the pressure control piston is additionally arranged and matched with the sealing top cover, so that the water used for the flooding resistance test in the test tube is subjected to pressure reduction treatment, and dissolved oxygen in the water escapes along with the reduction of the pressure, so that the influence of the existence of dissolved oxygen in the water on the rice flooding resistance test is avoided, the supply difference of the external input of the test is reduced, and the accuracy of the test is improved.
4. According to the invention, by controlling different groups of combined control gears, the linked pressure control pistons are grouped into different pressure reduction amounts, so that the pressure control pistons are controlled to be grouped to realize different water oxygen contents, and a stepwise test can be performed on the different water oxygen contents to study the influence of the different water oxygen contents on seed selection of the flooding tolerance identification rice seeds, and each group comprises a plurality of double-port test tubes for the test, so that the problem of single error is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the invention;
FIG. 2 is a schematic view of the bottom structure of the present invention
FIG. 3 is a plan view of a cross-sectional structure of a dual-port test tube according to the present invention;
FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 2A in accordance with the present invention;
FIG. 5 is a schematic view of a pressure relief vent according to the present invention.
In the figure: 1. a supporting top plate; 2. a bracket; 3. a double-mouth test tube; 4. an anti-drop collar; 5. a pressure control piston; 51. a rubber shoe; 52. a joint control gear; 53. a thread groove; 6. a pressure control bottom plate; 7. a joint control chain; 8. a top cover rotating shaft; 9. sealing the top cover; 10. a pressure relief port; 101. sealing the inner ring; 102. a cover plate slide rail; 103. and (5) a pressure relief cover.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an apparatus for removing dissolved oxygen in water for evaluating flooding resistance comprises a supporting top plate 1, wherein the supporting top plate 1 is rectangular, a plurality of test tube placing ports are uniformly formed in the middle of the supporting top plate 1 and are respectively and fixedly connected with a bracket 2 at four corners of the supporting top plate, a double-port test tube 3 is placed through the test tube placing ports, an anti-falling sleeve ring 4 is fixedly connected with the top end of the double-port test tube 3, the outer diameter of the anti-falling sleeve ring 4 is larger than the opening diameter of the test tube placing ports, so that the double-port test tube 3 cannot fall down after being placed on the supporting top plate 1, and can be taken down upwards easily to be cleaned when the double-port test tube 3 needs to be cleaned.
Referring to fig. 3-4, a pressure control piston 5 is movably sleeved in the middle of the dual-port test tube 3, the pressure control piston 5 comprises a rubber base 51, a joint control gear 52 and a thread groove 53, the rubber base 51 is located at the top end of the pressure control piston 5, the diameter of the rubber base is consistent with the inner diameter of the dual-port test tube 3, the rubber base 51 can be made of soft sealing rubber material such as nitrile rubber, the joint control gear 52 is fixedly connected to the bottom end of the pressure control piston 5, the thread groove 53 is arranged on the side surface of the pressure control piston 5, a pressure control bottom plate 6 is fixedly connected to the middle position of the support 2, the pressure control bottom plate 6 is parallel to the support top plate 1, a thread opening is formed in a position opposite to a test tube placing opening on the support top plate 1, and the thread opening formed in the pressure control bottom plate 6 is matched with the thread groove 53, so that when the pressure control piston 5 is rotated, the thread groove 53 on the pressure control piston 5 passes through the thread opening on the pressure control bottom plate 6 to rotate, and drives the rubber base 51 to move upwards or downwards.
Referring to fig. 5, the outside of the joint control gear 52 is meshed with the joint control chains 7, one joint control chain 7 is linked with the same row of thread grooves 53, the outside of the joint control chain 7 is provided with an anti-slip groove, a user can easily rotate the joint control chain 7 without sliding when adjusting the pressure control piston 5 in the same row, the back of the support top plate 1 is fixedly provided with a top cover rotating shaft 8, and a seal top cover 9 is movably installed through the top cover rotating shaft 8, the seal top cover 9 can be rotationally buckled to the upper surface of the support top plate 1 around the top cover rotating shaft 8, the seal top cover 9 is provided with a pressure relief opening 10 opposite to the position of a test tube placing opening on the support top plate 1, the inside of the pressure relief opening 10 is fixedly provided with a seal inner ring 101, the diameter of the seal inner ring 101 is consistent with the diameter of the upper opening of the double-mouth test tube 3, the outside of the pressure relief opening 10 can be kept to be sealed in the support top plate 1 when being closed, a cover slide rail 102 is fixedly provided with a cover slide rail 102, the pressure relief cover 103 can be movably installed along the cover slide rail 102 to left and right, the opening and closing of the pressure relief opening 10 are realized, the outer side of the double-mouth tube 3 is provided with scales, and the pressure relief top end 5 is convenient to observe and set up the pressure of the pressure test tube under the pressure test tube and the pressure test tube is controlled by the pressure test tube and the pressure test tube has a lower ratio of the pressure test tube with a lower pressure test tube and a lower ratio of 51.
The working principle of the using method of the invention is as follows:
when in use, all the combined control chains 7 are adjusted, so that the pressure control pistons 5 move up to the highest position and all the pressure control pistons 5 are kept at the same height, at the moment, the distance between the thread grooves 53 and the top opening of the double-mouth test tube 3 is 10-20cm, the height accords with the liquid level of a test, after seeds for germination accelerating and standby in a culture dish are sterilized and washed, the seeds are placed in the double-mouth test tube 3 to ensure 1 in each tube, water is injected into the double-mouth test tube 3 to be flush with the top surface of the double-mouth test tube 3, the seal top cover 9 is rotated around the top cover rotating shaft 8 to cover the upper surface of the support top plate 1, the seal inner ring 101 on the seal top cover 9 seals the upper opening of the double-mouth test tube 3, the pressure release cover 103 is slid, the pressure release opening 10 is kept in a closed state, the combined control chains 7 at the bottom of the pressure control pistons 5 are sequentially rotated, the combined control chains 7 drive the combined control gears 52 to rotate, the screw groove 53 on the outer side of the pressure control piston 5 is screwed through the pressure control bottom plate 6 to realize rotation and downward movement, thereby driving the rubber collet 51 to move downwards along the inner cylinder of the double-mouth test tube 3, expanding the space in the double-mouth test tube 3, reducing the internal pressure, overflowing the dissolved oxygen in the water in the double-mouth test tube 3 along with the downward movement of the rubber collet 51 due to the overflow of the solubility of oxygen along with the pressure reduction, opening the pressure relief opening 10 above the double-mouth test tube 3 by sliding the pressure relief cover 103 while fixing the group of the combined control chains 7, then adjusting the combined control chains 7 of the later rows in proportion in turn according to the operation, leading the downward movement distance of the screw groove 53 to be equal difference change, or adjusting the distance according to the outer side scales of the double-mouth test tube 3 according to the data required by the test, therefore, the sequential equi-differential change of the water dissolved oxygen in each row of double-mouth test tubes 3 is convenient for carrying out a stepwise test on different water oxygen contents, the device is integrally placed in a climatic chamber for 5-7 days after the stepwise water oxygen contents are set, the germinated coleoptile length is used as an evaluation index for evaluating the flooding resistance of rice seeds under different water dissolved oxygen conditions, the purpose of researching the influence of the different water oxygen contents on seed selection is achieved, after the test is finished, the sealing top cover 9 is rotated to open the sealing top cover, the double-mouth test tubes 3 are taken out from a test tube placing port in the supporting top plate 1, at the moment, the limitation of the controlled pressure bottom plate 6 of the pressure control piston 5 is remained at the bottom of the device, the surface of the rubber bottom support 51 can be cleaned simultaneously, the double-mouth test tubes 3 are restored after cleaning is finished, and the pressure control piston 5 is restored to the initial position by rotating the combined control chain 7.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a water dissolved oxygen remove device for flood resistance identification, includes supporting roof (1), its characterized in that: the utility model discloses a pressure relief device, including supporting roof (1), support roof (1) are rectangle, respectively fixedly connected with support (2) in its four angles department, a plurality of test tube placements mouth have evenly been seted up in the centre of supporting roof (1), have placed double-mouth test tube (3) through the test tube placements mouth, the top fixedly connected with anticreep lantern ring (4) of double-mouth test tube (3), accuse pressure piston (5) have been cup jointed in the centre activity of double-mouth test tube (3), accuse pressure piston (5) include rubber collet (51), allies oneself with accuse gear (52) and thread groove (53), rubber collet (51) are located the top of accuse pressure piston (5), allies oneself with accuse gear (52) fixedly connected with in the bottom of accuse pressure piston (5), the side of accuse pressure piston (5) is provided with thread groove (53), the intermediate position fixedly connected with accuse pressure bottom plate (6) of support (2), the outside meshing of allies oneself with accuse gear (52) has and allies oneself with accuse chain (7), the fixed mounting of supporting roof (1) has top cap (8), and just has top cap (9) to seal the top cap (10) to place pressure release mouth (10) in sealing position, sealing top cap (10) are directly over the top cap (10), the outside of pressure release mouth (10) fixed mounting has apron slide rail (102), and has pressure release lid (103) through apron slide rail (102) movable mounting.
2. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: the outer diameter of the anti-drop lantern ring (4) is larger than the opening diameter of the test tube placing port, the diameter of the sealing inner ring (101) is consistent with the diameter of the upper port of the double-port test tube (3), and the supporting top plate (1) is kept to be closed when the double-port test tube is closed.
3. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: the rubber collet (51) is made of soft rubber, the diameter of the rubber collet is consistent with the inner diameter of the double-mouth test tube (3), and scales are arranged on the outer side of the double-mouth test tube (3).
4. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: the pressure control bottom plate (6) is parallel to the supporting top plate (1), a threaded opening is formed in a position opposite to the test tube placing opening on the supporting top plate (1), and the threaded opening formed in the pressure control bottom plate (6) is matched with the threaded groove (53).
5. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: and one joint control chain (7) is connected with the same row of thread grooves (53), and an anti-skid groove is arranged on the outer side of the joint control chain (7).
6. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: the sealing top cover (9) can be rotationally buckled to the upper surface of the supporting top plate (1) around the top cover rotating shaft (8).
7. The apparatus for removing dissolved oxygen from water for determining flooding resistance according to claim 1, wherein: the pressure release cover (103) can move left and right along the cover plate sliding rail (102) to realize the opening and closing of the pressure release opening (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510387.4A CN116395777B (en) | 2023-05-08 | 2023-05-08 | Dissolved oxygen removing device in water for identifying flooding resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510387.4A CN116395777B (en) | 2023-05-08 | 2023-05-08 | Dissolved oxygen removing device in water for identifying flooding resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116395777A CN116395777A (en) | 2023-07-07 |
| CN116395777B true CN116395777B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310510387.4A Active CN116395777B (en) | 2023-05-08 | 2023-05-08 | Dissolved oxygen removing device in water for identifying flooding resistance |
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| CN (1) | CN116395777B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885837A (en) * | 2015-07-03 | 2015-09-09 | 安徽袁粮水稻产业有限公司 | Flooding tolerance indoor identification method for direct sowing rice in northern area |
| CN104920089A (en) * | 2015-07-03 | 2015-09-23 | 宋立胜 | Screening method for flood-resisting parent for breeding direct-sowing rice |
| CN110501463A (en) * | 2019-09-04 | 2019-11-26 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | It is a kind of for observing the different resistance to experimental rigs for flooding intensity of each stage in crop cycle |
| CN210434569U (en) * | 2019-06-13 | 2020-05-01 | 山东华维海洋生物科技有限公司 | Test tube storage rack is used in research of salt algae |
-
2023
- 2023-05-08 CN CN202310510387.4A patent/CN116395777B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885837A (en) * | 2015-07-03 | 2015-09-09 | 安徽袁粮水稻产业有限公司 | Flooding tolerance indoor identification method for direct sowing rice in northern area |
| CN104920089A (en) * | 2015-07-03 | 2015-09-23 | 宋立胜 | Screening method for flood-resisting parent for breeding direct-sowing rice |
| CN210434569U (en) * | 2019-06-13 | 2020-05-01 | 山东华维海洋生物科技有限公司 | Test tube storage rack is used in research of salt algae |
| CN110501463A (en) * | 2019-09-04 | 2019-11-26 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | It is a kind of for observing the different resistance to experimental rigs for flooding intensity of each stage in crop cycle |
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| Publication number | Publication date |
|---|---|
| CN116395777A (en) | 2023-07-07 |
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