CN111089817A - Pesticide liquid medicine droplet holding capacity detection device - Google Patents
Pesticide liquid medicine droplet holding capacity detection device Download PDFInfo
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- CN111089817A CN111089817A CN201911395143.6A CN201911395143A CN111089817A CN 111089817 A CN111089817 A CN 111089817A CN 201911395143 A CN201911395143 A CN 201911395143A CN 111089817 A CN111089817 A CN 111089817A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/06—Means for damping oscillations, e.g. of weigh beams
- G01G23/12—Means for damping oscillations, e.g. of weigh beams specially adapted for preventing oscillations due to movement of the load
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Abstract
The invention discloses a pesticide liquid droplet holding capacity detection device, belonging to the technical field of pesticide performance test; the device comprises a detection box body, a ten-thousandth scale and a bending rod, wherein the ten-thousandth scale is arranged at the bottom of the detection box body, the bottom end of the bending rod is fixed on the ten-thousandth scale, a fog drop holding plate is hung downwards at the top end of the bending rod, and the fog drop holding plate is arranged below a liquid medicine spray head in the detection box body; the spray process is carried out in the detection device, the weighing of the ten-thousandth scale cannot be influenced, in addition, the fog drop holding plate is hung on the upper part of the detection box body through the bending rod, and the bending rod can eliminate the influence of slight shaking of the fog drop holding plate on the weighing process of the ten-thousandth scale, so that the time for waiting for the stability of the ten-thousandth scale display is greatly shortened, and the detection precision is improved.
Description
Technical Field
The invention relates to the technical field of pesticide performance testing, in particular to a device for detecting pesticide liquid droplet retention.
Background
The use of pesticides is essential in modern agriculture; the most common method for using pesticides in China is to spray pesticides in a field by using different spraying devices, and in recent years, a spraying mode of spraying by using an unmanned aerial vehicle also appears; the retention capacities of pesticide liquid with different physical and chemical properties on the surfaces of different plants are different; because the retention capacity of various plants to different pesticide liquid medicines is not clear, the liquid medicine sprayed by the plants often runs off due to the fact that the amount of the liquid medicine exceeds the maximum retention capacity of the surface of the target plant, on one hand, waste is caused, and on the other hand, the environment is polluted. Therefore, the detention capability of different pesticide liquid on the surface of the target plant needs to be known, so that a basis is provided for controlling the field liquid dosage or improving the detention capability of the liquid on the surface of the target plant by changing the physicochemical property of the liquid.
The conventional retention capacity detection mode is that plant leaves are directly immersed in liquid medicine, and the liquid medicine retention amount of the leaves in unit area in a static state is measured after weighing, but is different from the liquid medicine retention amount of the leaves in a dynamic state during spraying. The direct immersion of the leaves in the liquid medicine is a process of replacing the solid-liquid interface with the solid-gas interface, and the mist drops on the leaves during spraying and wets the solid-liquid interface, and the liquid-gas interface and the solid-gas interface are changed into the solid-liquid interface. Secondly, most of the chemical solutions used for spraying contain a surfactant, which has the property of adsorbing at the interface. During spraying, a large amount of fine fog drops are formed in the liquid medicine, a new liquid-air interface expands rapidly, surfactant molecules on the liquid-air interface are diluted greatly, the surface tension of the liquid medicine rises, time is needed for the surfactant molecules in the liquid medicine to transfer to the new liquid-air interface, and the fog drops fall onto the leaf surface, so that the surface tension of the fog drops at the moment of contacting the leaf is too high to wet and spread on the leaf surface, the retention of the liquid medicine on the leaf surface is influenced, and the actual situation of the field can be reflected by the retention of the liquid medicine on the leaf in a spraying state. If the leaves are directly immersed into the liquid medicine, the surfactant in the liquid medicine is easier to transfer to a new interface, and the leaves are easier to wet, so that the retention amount of the liquid medicine on the surfaces of the leaves is larger, and the retention capacity of the liquid medicine on the surfaces of target plants under field conditions cannot be correctly reflected.
Through search, patent publication No. CN102116668A discloses a measuring device for measuring changes in retention of a spray chemical on the surface of plant leaves, comprising: the technical scheme disclosed by the patent improves the accuracy of measuring the retention change of the sprayed liquid on the surface of the plant blade to a certain degree, but the existing balance for detecting the fog and droplet retention of the liquid on the surface of the plant blade is mostly a ten-thousand-minute balance which is high in precision and sensitive, and small changes in the environment can influence monitoring data to cause the balance to be incapable of measuring accurate data, the medicine process of spouting is a very violent process to ten thousand minutes balance, often plant leaf can take place violent rocking after spouting the medicine, so be similar to the technical scheme that the patent disclosed, because plant leaf directly weighs with ten thousand minutes balance, so plant leaf's micro motion can directly influence ten thousand minutes balance's registration, need wait for longer time and just can record data after waiting for plant leaf to stabilize, the latency is very long, greatly reduced balance efficiency, therefore need solve plant leaf and spout the technical problem how to obtain stable registration fast after ten thousand minutes.
Disclosure of Invention
1. Technical problem to be solved by the invention
To using ten thousand balance to detect among the prior art in the pesticide liquid medicine hold up quantity testing process easily receive external disturbance and the unstable technical problem that leads to the result inaccurate of registration, provide a pesticide liquid medicine droplet hold up quantity detection device, avoid external disturbance through the cooperation of bending pole and box, improve registration stability, and then improve and detect the accuracy.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the pesticide liquid droplet holding capacity detection device comprises a detection box body, a ten-thousandth scale and a bending rod, wherein the ten-thousandth scale is arranged at the bottom of the detection box body and is not in contact with the detection box body; the bottom end of the bending rod is fixed on a universal scale, the bottom end of the bending rod extends upwards to the upper part of the detection box body along the side edge of the detection box body, and the top end of the bending rod is correspondingly arranged above the detection box body; a through hole is formed in a top plate of the detection box body, a hanging piece penetrating through the through hole is downwards arranged at the top end of the bending rod, a fog drop holding plate is hung at one end, far away from the bending rod, of the hanging piece, and the fog drop holding plate is arranged below a liquid medicine spray head in the detection box body.
Preferably, the bending rod comprises a fixing part, a bending side part and a top end hanging part, the fixing part is fixedly arranged on a universal scale, the top end hanging part is correspondingly arranged above the detection box body and used for hanging the fog droplet holding plate, and the side part fixing part and the top end hanging part of the detection box body are connected through the bending side part.
Preferably, the top end of the bending rod is provided with a weight, and the density of the weight is greater than that of other parts of the bending rod; the bottom surface of the weight is provided with a hanging piece.
Preferably, an outer box body is arranged outside the detection box body, a bottom cavity is formed between an outer box bottom plate of the outer box body and a detection box bottom plate of the detection box body, and the outer box bottom plate and the detection box bottom plate are arranged in the bottom cavity in a ten-thousandth scale; a side cavity is formed between the outer box side plate of the outer box body and the detection box side plate of the detection box body, and the bending rod extends from bottom to top along the side edge of the detection box body in the side cavity; a top cavity is formed between the outer box top plate of the outer box body and the detection box top plate of the detection box body, and the top end of the bending rod is arranged in the top cavity.
Preferably, a barrier is arranged between the universal scale and the outer box bottom plate of the outer box body.
Preferably, the bottom of the side plate of the detection box body, which is far away from the bending rod side, is provided with a liquid discharge groove for discharging liquid at the bottom of the detection box body to the outside of the detection box body.
Preferably, the bent side part is parallel to the vertical direction, and the fixing part and the top end hanging part are both parallel to the horizontal direction; the fixing part is connected with the bending side part through the first bending part, and the top suspension part is connected with the bending side part through the second bending part.
Preferably, the length of the weight is L, the distance from the connecting part between the hanging part and the weight to one side of the weight close to the bending rod is L, the L is kL, and k is more than or equal to 0.20 and less than or equal to 0.45.
Preferably, the distance from the center of gravity of the weight to the bending rod is greater than ten-thousandths of the distance to the bending rod.
Preferably, the first bending portion and the second bending portion are both circular arcs, the radius of a circle in which the first bending portion is located is R1, and the radius of a circle in which the second bending portion is located is R2, wherein R1 < R2.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the pesticide liquid droplet remaining quantity detection device comprises a detection box body, a ten-thousandth scale and a bending rod, wherein the ten-thousandth scale is arranged at the bottom of the detection box body, the bottom end of the bending rod is fixed on the ten-thousandth scale, the bottom end of the bending rod upwards extends to the detection box top plate of the detection box body above the detection box body along the side edge of the detection box body, a through hole is formed in the detection box top plate of the detection box body, a hanging part penetrating through the through hole is downwards arranged at the top end of the bending rod, a droplet holding plate is hung at one end, far away from the bending rod, of the hanging part, and the droplet holding plate is arranged below a liquid medicine spray head; the spraying process is carried out in the detection box body, weighing of ten thousand minutes of title can not be influenced, in addition ten thousand minutes of title hang the droplet retention board through bending the pole on detecting box body upper portion, and the pole of bending can slightly rock the droplet retention board and eliminate the influence of weighing the process of ten thousand minutes of title, and the time of waiting for ten thousand minutes of title registration stability that significantly reduces improves and detects the precision.
(2) According to the pesticide liquid droplet holding capacity detection device, the top end of the bending rod is provided with the weight, and the density of the weight is greater than that of other parts of the bending rod; the bottom surface of the weight is provided with a suspension part, the distance from the joint between the suspension part and the weight to one side of the weight close to the bending rod is l, wherein k is more than or equal to 0.20 and less than or equal to 0.45, the arrangement of the weight can further inhibit the fog drop retention plate from slightly shaking to drive the bending rod to shake, so that the stable ten-thousand-minute scale reading time is shortened, and the detection precision is improved.
Drawings
Fig. 1 is a perspective view of a pesticide solution droplet holding amount detection device of the present invention;
fig. 2 is a side sectional view of a device for detecting a quantity of pesticide mist remaining in accordance with the present invention.
The reference numerals in the schematic drawings illustrate:
101. a bottom chamber; 102. a side chamber; 103. a top chamber;
110. detecting the box body; 111. detecting a box top plate; 112. detecting a box side plate; 113. a bottom plate of the detection box; 114. a through hole; 115. a liquid discharge tank;
120. an outer case; 121. an outer box top plate; 122. an outer case side plate; 123. an outer box bottom plate;
210. weighing in ten-thousandth; 211. a barrier; 220. bending the rod; 221. a fixed part; 2221. a first bending portion; 2222. a second bending portion; 223. a weight; 224. bending the side part; 225. a top end suspension portion;
300. a droplet retention plate; 301. a suspension member;
400. a liquid medicine spray head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; moreover, the embodiments are not relatively independent, and can be combined with each other according to needs, so that a better effect is achieved. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The detailed description and exemplary embodiments of the invention will be better understood when read in conjunction with the appended drawings, where the elements and features of the invention are identified by reference numerals.
The pesticide liquid droplet holding capacity detection device comprises a detection box body 110, a ten-thousandth scale 210 and a bending rod 220, wherein the ten-thousandth scale 210 is arranged at the bottom of the detection box body 110, the ten-thousandth scale 210 is not in contact with the detection box body 110, the bottom end of the bending rod 220 is fixed on the ten-thousandth scale 210, the bottom end of the bending rod 220 upwards extends to the upper part of the detection box body 110 along the side edge of the detection box body 110, and the top end of the bending rod 220 is correspondingly arranged above the detection box body 110; a through hole 114 is formed in the top plate 111 of the detection box 110, a hanging member 301 passing through the through hole 114 is downwardly disposed at the top end of the bending rod 220, a mist droplet holding plate 300 is hung at one end of the hanging member 301 away from the bending rod 220, and the mist droplet holding plate 300 is disposed below the chemical solution spray head 400 in the detection box 110. The hanging member 301 is linear and realizes the hanging of the mist retaining plate 300.
In the process of detecting the pesticide liquid fog drop retention amount, the liquid medicine to be detected is sprayed onto the fog drop retention plate 300 in a fog drop state by using the liquid medicine spray head 400, spraying is stopped after a preset time, the fog drop retention plate 300 with the liquid medicine fog drops distributed on the surface is weighed by using the universal scale 210, and the mass increased by the weighed fog drop retention plate 300 is the liquid medicine amount retained on the surface of the fog drop retention plate 300. As is well known, the accuracy of the ten-thousandth scale 210 is high on one hand, and the readings of the ten-thousandth scale 210 are sensitive on the other hand, if an object on the ten-thousandth scale 210 moves slightly, the acceleration generated by the object can influence the readings of the ten-thousandth scale 210.
When the pesticide liquid droplet retention amount is detected, the hanging piece 301 for hanging the droplet retention plate 300 is linear, so that on one hand, the inaccuracy of final retention amount data caused by the fact that the droplets are attached to the linear hanging piece 301 can be avoided, and on the other hand, the droplet retention plate 300 can move, so that the spraying state of the leaves in reality can be simulated more realistically. The problem caused by the above is that the liquid medicine nozzle 400 sprays the liquid medicine to be detected onto the droplet retention plate 300 in a droplet state, which inevitably causes the movement of the droplet retention plate 300, and if the droplet retention plate 300 is directly connected with the ten-thousandth balance 210, the acceleration generated by the movement of the droplet retention plate 300 causes the fluctuation of the number of the ten-thousandth balance 210, and if the problem is not solved, the efficiency and the accuracy of the experimental data detection are greatly influenced; and it is artificially difficult to suppress the movement of the mist droplet holding plate 300.
In order to solve the above technical problem, the applicant adopts the technical solution of the present embodiment, and the universal scale 210 is disposed at the bottom of the detection box 110, and is connected to the upper suspension mist retention plate 300 of the detection box 110 through the bending rod 220 for measurement. When examining pesticide liquid medicine droplet holding capacity, hang through bending pole 220 to droplet holding board 300 on the one hand and weigh and can avoid pesticide liquid medicine droplet spraying process to produce the influence to weighing the process, droplet holding board 300 that on the other hand hung takes place to rock, but because the setting of bending pole 220, droplet holding board 300 rocks and subducts gradually at the in-process by the transmission of bending pole 220, make this rock can not directly influence the weighing result of ten thousand minutes title 210, thereby reduce the time of waiting for ten thousand title 210 indications to stabilize greatly, improve and detect the precision.
More specifically, the bending rod 220 includes a fixing portion 221, a bending side portion 224 and a top end hanging portion 225, the fixing portion 221 is fixedly arranged on the ten-thousandth scale 210, and the fixing portion 221 can be fixed on the ten-thousandth scale 210 by glue and/or screws; the top end hanging portion 225 is provided above the detection chamber 110 to hang the droplet holding plate 300, and is connected to the side fixing portion 221 of the detection chamber 110 and the top end hanging portion 225 by a bent side portion 224.
Wherein the bent side portion 224 is parallel to the vertical direction, and the fixing portion 221 and the top end hanging portion 225 are both parallel to the horizontal direction; the fixed portion 221 is connected to the bent side portion 224 through a first bent portion 2221, and the top end hanging portion 225 is connected to the bent side portion 224 through a second bent portion 2222; the first bending portion 2221 and the second bending portion 2222 are both arc-shaped, the radius of the circle where the first bending portion 2221 is located is R1, and the radius of the circle where the second bending portion 2222 is located is R2, wherein R1 is less than R2; the bending rod 220 can enhance the damping effect of the vibration caused by the shaking of the mist retaining plate 300 through the control of the shape.
It should be noted that the top end of the bending rod 220 is provided with a weight 223, the density of the weight 223 is greater than that of the other parts of the bending rod 220, and the bottom surface of the weight 223 is provided with a hanging piece 301; the weight 223 may be disposed on the top end suspension portion 225, or may be considered as a part of the top end suspension portion 225; through the arrangement of the weight 223, when the fog drop holding plate 300 hung on the hanging part 301 shakes, the weight 223 has larger inertia and tends to be in a static state, so that the hanging fog drop holding plate 300 is difficult to shake the weight 223, and the weighing stability of the ten-thousandth balance 210 is further effectively ensured. And the length of the weight 223 is L, the distance from the connection part between the hanger 301 and the weight 223 to the side of the weight 223 close to the bending rod 220 is L, where k is more than or equal to 0.20 and less than or equal to 0.45, and k can be 0.20, 0.25, 0.30, 0.40 or 0.45, and by arranging the connection part on the weight 223 close to the bending rod 220, the stability of the weight 223 can be further improved, so that the suspended mist drip holding plate 300 is more difficult to shake the weight 223. The distance from the gravity center of the weight 223 to the bending rod 220 can be larger than the distance from the ten-thousandth scale 210 to the bending rod 220, so that the overall stability of the bending rod 220 is facilitated, and the bending rod 220 is further prevented from shaking.
In addition, in order to further avoid the influence of the external environment on the weighing process of the ten-thousandth scale 210, the outer box body 120 is arranged outside the detection box body 110, a bottom cavity 101 is formed between the outer box bottom plate 123 of the outer box body 120 and the detection box bottom plate 113 of the detection box body 110, the detection box body 110 can be fixedly arranged in the middle of the outer box body 120, so that the bottom cavity 101 is formed between the outer box bottom plate 123 of the outer box body 120 and the detection box bottom plate 113 of the detection box body 110, and the ten-thousandth scale 210 is arranged in the bottom cavity 101; a side cavity 102 is formed between the outer box side plate 122 of the outer box body 120 and the detection box side plate 112 of the detection box body 110, and the bending rod 220 extends from bottom to top along the side edge of the detection box body 110 in the side cavity 102; a top chamber 103 is formed between the outer box top plate 121 of the outer box 120 and the detection box top plate 111 of the detection box 110, and the top end of the bending rod 220 is disposed in the top chamber 103.
A blocking piece 211 is arranged between the universal scale 210 and the outer box bottom plate 123 of the outer box body 120; the blocking piece 211 is an object capable of blocking vibration, such as foam or hard sponge, and the blocking piece 211 can effectively avoid the influence of vibration of the outer box 120 and/or the detection box 110 on the weighing indication of the ten-thousandth scale 210.
The bottom of the detection box side plate 112 on the side of the detection box body 110 far away from the bending rod 220 is provided with a liquid discharge groove 115 for discharging the liquid at the bottom of the detection box body 110 to the outside of the detection box body 110.
The invention has been described in detail hereinabove with reference to specific exemplary embodiments thereof. It will, however, be understood that various modifications and changes may be made without departing from the scope of the invention as defined in the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to be illustrative of the state of the art as developed and the meaning of the present technology and is not intended to limit the scope of the invention or the application and field of application of the invention.
Claims (10)
1. The pesticide liquid droplet holding capacity detection device is characterized by comprising a detection box body (110), a ten-thousandth scale (210) and a bending rod (220), wherein the ten-thousandth scale (210) is arranged at the bottom of the detection box body (110), and the ten-thousandth scale (210) is not in contact with the detection box body (110); the bottom end of the bending rod (220) is fixed on the universal scale (210), the bottom end of the bending rod (220) extends upwards to the upper part of the detection box body (110) along the side edge of the detection box body (110), and the top end of the bending rod (220) is correspondingly arranged above the detection box body (110); a through hole (114) is formed in a top plate (111) of the detection box body (110), a hanging piece (301) penetrating through the through hole (114) is downwards arranged at the top end of the bending rod (220), a fog drop holding plate (300) is hung at one end, far away from the bending rod (220), of the hanging piece (301), and the fog drop holding plate (300) is arranged below a liquid medicine spray head (400) in the detection box body (110).
2. The device for detecting the droplet holding amount of pesticide solution as claimed in claim 1, wherein the bending rod (220) comprises a fixing portion (221), a bending side portion (224) and a top end hanging portion (225), the fixing portion (221) is fixedly arranged on the universal scale (210), the top end hanging portion (225) is correspondingly arranged above the detection box body (110) and used for hanging the droplet holding plate (300), and the side portion fixing portion (221) and the top end hanging portion (225) of the detection box body (110) are connected through the bending side portion (224).
3. The device for detecting the pesticide solution mist retention according to claim 1, characterized in that a weight (223) is arranged at the top end of the bending rod (220), and the density of the weight (223) is greater than that of other parts of the bending rod (220); a hanging piece (301) is arranged on the bottom surface of the weight (223).
4. The device for detecting the pesticide solution mist retention according to claim 1, characterized in that an outer box (120) is arranged outside the detection box (110), a bottom chamber (101) is formed between an outer box bottom plate (123) of the outer box (120) and a detection box bottom plate (113) of the detection box (110), and the ten-thousandth scale (210) is arranged in the bottom chamber (101); a side cavity (102) is formed between an outer box side plate (122) of the outer box body (120) and a detection box side plate (112) of the detection box body (110), and a bending rod (220) extends from bottom to top along the side edge of the detection box body (110) in the side cavity (102); a top cavity (103) is formed between an outer box top plate (121) of the outer box body (120) and a detection box top plate (111) of the detection box body (110), and the top end of the bending rod (220) is arranged in the top cavity (103).
5. The device for detecting the retention of pesticide solution mist droplets as claimed in claim 1, wherein a drain groove (115) is provided at the bottom of the detection box side plate (112) on the side of the detection box body (110) away from the bending rod (220) for draining the liquid at the bottom of the detection box body (110) to the outside of the detection box body (110).
6. The device for detecting the amount of remaining agricultural chemical solution mist droplets according to claim 2, wherein the bent side portion (224) is parallel to a vertical direction, and the fixed portion (221) and the top end hanging portion (225) are both parallel to a horizontal direction; the fixed part (221) is connected with the bent side part (224) through a first bent part (2221), and the top end suspension part (225) is connected with the bent side part (224) through a second bent part (2222).
7. The device for detecting the pesticide liquid mist retention according to claim 3, wherein the length of the weight (223) is L, the distance from the connection part between the hanger (301) and the weight (223) to the side of the weight (223) close to the bending rod (220) is L, and the L is kL, wherein k is more than or equal to 0.20 and less than or equal to 0.45.
8. The device for detecting the pesticide solution mist retention according to claim 3, wherein the distance from the gravity center of the weight (223) to the bending rod (220) is greater than the distance from the ten-thousandth scale (210) to the bending rod (220).
9. The device for detecting the amount of pesticide mist remaining according to claim 4, wherein a blocking member (211) is provided between the ten-thousandth scale (210) and the outer case bottom plate (123) of the outer case (120).
10. The device for detecting the pesticide solution mist retention according to claim 6, wherein the first bending part (2221) and the second bending part (2222) are both arc-shaped, the radius of the circle where the first bending part (2221) is located is R1, and the radius of the circle where the second bending part (2222) is located is R2, wherein R1 < R2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395143.6A CN111089817B (en) | 2019-12-30 | 2019-12-30 | Pesticide liquid medicine droplet holding capacity detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395143.6A CN111089817B (en) | 2019-12-30 | 2019-12-30 | Pesticide liquid medicine droplet holding capacity detection device |
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| CN111089817A true CN111089817A (en) | 2020-05-01 |
| CN111089817B CN111089817B (en) | 2022-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533117A (en) * | 2021-07-16 | 2021-10-22 | 深圳诺普信农化股份有限公司 | Method for measuring retention of impregnation liquid medicine on surface of plant leaf |
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| CN113533117B (en) * | 2021-07-16 | 2024-03-19 | 深圳诺普信农化股份有限公司 | Method for measuring retention of impregnating liquid on plant leaf surface |
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| CN111089817B (en) | 2022-11-08 |
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