CN110583676A - U-shaped granule containing emamectin benzoate B2a benzoate and spirodiclofen and preparation method thereof - Google Patents
U-shaped granule containing emamectin benzoate B2a benzoate and spirodiclofen and preparation method thereof Download PDFInfo
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- CN110583676A CN110583676A CN201910999391.5A CN201910999391A CN110583676A CN 110583676 A CN110583676 A CN 110583676A CN 201910999391 A CN201910999391 A CN 201910999391A CN 110583676 A CN110583676 A CN 110583676A
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- spirodiclofen
- emamectin benzoate
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a U granule containing emamectin benzoate B2a and spirodiclofen, which comprises the following components, by weight, 0.1 ~ 10 part of emamectin benzoate B2a, 30 ~ 0.1.1 parts of spirodiclofen, 1 ~ 5 parts of a binder, 1 ~ 10 part of a penetrating agent, 2 ~ 8 parts of a dispersing agent, 1 ~ 2 parts of a hydrophobic agent and 100 parts of a carrier.
Description
Technical Field
The invention relates to the technical field of pesticide preparations, and particularly relates to a U granule containing emamectin benzoate B2a benzoate and spirodiclofen and a preparation method thereof.
Background
The emamectin benzoate B2a is a semi-synthetic macrolide insecticide prepared by artificially synthesizing macrolide insecticides obtained by biological fermentation, and has excellent insecticidal activity.
The spirodiclofen is an efficient acaricide, has good effect on eggs and larvae of harmful mites, but is ineffective on adult mites, and has the effect of inhibiting female mites from laying eggs and hatching.
At the present stage, common formulations are suspending agents, missible oil liquid preparations, water dispersion granules, coating adsorption granules and powder solid preparations, wherein the solid preparations have better stability, the coating adsorption granules can be directly used by being spread in a field, and other formulations need to be sprayed. In the spraying and pesticide applying process, fog drops drift along with wind and are adhered to the body and clothes of a pesticide applicator to influence the health of the pesticide applicator; the fog drops drift to vegetables, so that the vegetable residue exceeds the standard, and the quality of the vegetables is influenced. In addition, the pesticide application process needs blending, mixing and spraying, the operation time is long, and a lot of labor cost is invisibly increased. In addition, due to the lack of user's technique and experience, there are a series of problems such as uneven spraying, drifting of medicine, insufficient and excessive medicine, damage to the field by the medicine applicator, and injury to the medicine applicator.
Due to the problems, the novel preparation formulation which can be directly used is developed, the labor cost is reduced, the harm of the medicament to the human body is reduced, and the preparation formulation has very important significance in the field of pesticide preparations.
Disclosure of Invention
The invention aims to provide a U granule containing emamectin benzoate B2a and spirodiclofen, which is convenient to use, free of pollution and waste, and a preparation method thereof, so as to solve the problems of complex application process, high labor cost, high human body injury, medicine waste and the like in the prior art.
The invention adopts the following technical scheme:
the U-shaped granule containing emamectin benzoate B2a and spirodiclofen comprises the following components, by weight, 0.1 ~ 10 part of emamectin benzoate B2a, 30 ~ 0.1.1 parts of spirodiclofen, 1 ~ 5 parts of a binder, 1 ~ 10 parts of a penetrant, 2 ~ 8 parts of a diffusant, 1 ~ 2 parts of a hydrophobic agent and 100 parts of a carrier.
Preferably, the emamectin benzoate B2a benzoate 0.1 ~ 10 parts, the spirodiclofen 30 ~ 0.1 parts, the binder 3 ~ 5 parts, the penetrating agent 4 ~ 6 parts, the dispersing agent 4 ~ 6 parts, the hydrophobic agent 1 ~ 2 parts and the carrier are supplemented to 100 parts.
Wherein the mass ratio of the emamectin benzoate B2a to the spirodiclofen is 1: 0.01 ~ 300.
Wherein the mass ratio of the emamectin benzoate B2a to the spirodiclofen is 3: 15.
Wherein the displacement track of the particles of the U-shaped granule in water is the process that the particles enter water to undergo sedimentation, floating, drifting and dispersion.
Wherein the hydrophobic agent is silicone nitrogen resin.
Wherein the binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
Wherein, the penetrating agent is fatty alcohol-polyoxyethylene ether.
Wherein, the mass ratio of the hydrophobic agent to the penetrating agent is 1: 2 ~ 4.
Wherein, the diffusant is white carbon black.
Wherein, the carrier is potassium sorbate.
A preparation method of the U granule containing emamectin benzoate B2a and spirodiclofen comprises the following steps:
(1) crushing: adding emamectin benzoate B2a, spirodiclofen, a dispersing agent, a binder, a hydrophobic agent and a carrier into a gravity-free mixer according to the weight part ratio, uniformly mixing, crushing by an airflow crusher, wherein the airflow pressure is 0.5MPa, and the particle size D90 after crushing is 5 mu m to obtain airflow crushed powder;
(2) and (3) granulating: adding ethanol of which the weight is 5 times that of the penetrant according to the weight part ratio, uniformly stirring, pouring the mixture into the airflow pulverized powder, uniformly stirring, and extruding and granulating;
(3) drying: and (3) conveying the prepared wet granules to a fluidized bed for drying, wherein the air inlet temperature is 70 ℃, the air outlet temperature is 40 ℃, and the discharge hole is connected with a sieving machine for sieving, detecting and packaging.
The invention has the beneficial effects that:
1. when in use, the U-shaped granule of the invention is only needed to be directly spread in a paddy field with water, and the medicine can be uniformly dispersed in the water in a short time.
2. The surface tension of the solution can be improved by adding the hydrophobic agent into the water, so that the height of the solution attached to the plant stem is improved.
3. The preparation method has the advantages of no complex process, no need of special equipment, simple method, suitability for industrial production, simple formula, quick response, low auxiliary material cost and cost saving.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a% 0.1%
Spirodiclofen 30%
3 percent of binder
Fatty alcohol polyoxyethylene ether 4%
5 percent of white carbon black
1% of polysilazane resin
56.9 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granule is as follows:
1. crushing:
the emamectin benzoate B2a, the spirodiclofen, the diffusant, the adhesive, the hydrophobic agent and the carrier are added into a gravity-free mixer according to the weight percentage, the mixture is uniformly mixed and crushed by an airflow crusher, the airflow pressure is 0.5MPa, and the particle size D90 after crushing is 5 mu m.
2. And (3) granulating:
adding ethanol with the weight 5 times of that of the penetrant according to the weight ratio, uniformly stirring, pouring into the airflow pulverized powder, uniformly stirring, and extruding and granulating.
3. Drying by baking
And (3) conveying the prepared wet granules to a fluidized bed for drying, wherein the air inlet temperature is about 70 ℃, the air outlet temperature is about 40 ℃, and the discharge hole is connected with a sieving machine, sieving, detecting and packaging.
Example 2
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
0.1 percent of spirodiclofen
5 percent of binder
Fatty alcohol polyoxyethylene ether 6%
6 percent of white carbon black
2 percent of polysilazane resin
70.9 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granules is the same as that of the U granules in the example 1, and the details are not repeated.
Example 3
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
15 percent of spirodiclofen
1 percent of binder
5 percent of fatty alcohol-polyoxyethylene ether
White carbon black 4%
1.5 percent of polysilazane resin
68.5 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granules is the same as that of the U granules in the example 1, and the details are not repeated.
Example 4
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
15 percent of spirodiclofen
1 percent of binder
1 percent of fatty alcohol-polyoxyethylene ether
2 percent of white carbon black
1.5 percent of polysilazane resin
76.5 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granules is the same as that of the U granules in the example 1, and the details are not repeated.
Example 5
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
15 percent of spirodiclofen
1 percent of binder
10 percent of fatty alcohol-polyoxyethylene ether
8 percent of white carbon black
1.5 percent of polysilazane resin
61.5 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granules is the same as that of the U granules in the example 1, and the details are not repeated.
Comparative example 1
The 3% emamectin benzoate B2a benzoate 15% spirodiclofen water dispersible granule comprises the following components by percentage:
emamectin benzoate B2 a%
15 percent of spirodiclofen
Dispersant DW 6%
Wetting agent SP 5%
30 percent of ammonium sulfate
Starch 41%
The preparation method comprises the following steps:
uniformly mixing emamectin benzoate B2a, spirodiclofen, a dispersing agent DW, a wetting agent SP, ammonium sulfate and starch, performing air flow grinding under the pressure of 0.5MPa to obtain particles with the particle size of 5 mu m, adding a proper amount of water, uniformly mixing, extruding and granulating, drying, detecting and packaging.
Comparative example 2
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
5 percent of spirodiclofen
3 percent of binder
5 percent of fatty alcohol-polyoxyethylene ether
White carbon black 4%
70 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U-shaped granules is the same as that of the U-shaped granules in example 1, and the details are not repeated here
Comparative example 3
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
15 percent of spirodiclofen
3 percent of binder
1.5 percent of polysilazane resin
White carbon black 4%
73.5 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U-shaped granules is the same as that of the U-shaped granules in example 1, and the details are not repeated here
Comparative example 4
A methylamino abamectin B2a benzoate and spirodiclofen U granule comprises the following components in percentage by mass:
emamectin benzoate B2 a%
15 percent of spirodiclofen
3 percent of binder
1.5 percent of fatty alcohol-polyoxyethylene ether
White carbon black 4%
5 percent of polysilazane resin
68.5 percent of potassium sorbate
The binder is a mixture of sodium polyacrylate and xanthan gum, and the mass ratio of the sodium polyacrylate to the xanthan gum is 5: 1.
The preparation method of the U granules is the same as that of the U granules in the example 1, and the details are not repeated.
Experimental example 1
The floating, diffusion and disintegration performances of the 3 examples and the 2 comparative examples are detected and characterized, and the detection method is as follows:
floatability: weighing 0.5g of sample, freely pouring the sample into a beaker filled with 342ppm of standard water, keeping the water depth at 5cm, simultaneously starting timing, enabling the particles to sink to the bottom of the beaker, recording the initial floating time when the particles float out of the water again, and recording the full floating time when the particles float out of the water.
Diffusibility and disintegratability: measuring 0.5g of sample in a water tank with a length of 2m and a depth of 5cm, injecting standard water, putting the sample into water at one end of the water tank, starting timing, measuring the diffusion distance of the particles after 15min, and estimating the disintegration rate.
Specific statistical results are shown in table 1.
TABLE 1
。
Note: the cost of the auxiliary materials is the sum of the average prices of all the components of the auxiliary materials sold in the market.
As can be seen from the table above, compared with the conventional water dispersible granule, the U granule of the invention has good diffusivity and moderate disintegration time, can be applied by using a spreading method, has low cost and is suitable for industrial production.
Experimental example 2
Southern rice fields are selected for field experiments, and the prevention and control of the invention on two pests, namely cnaphalocrocis medinalis and chilo suppressalis, are respectively tested.
The test method comprises the steps of selecting a 10 x 500-meter test field, evenly dividing the test field into 5 blocks, uniformly spreading a certain amount of samples of examples and comparative examples in a paddy field, carrying out blank control on the samples without treatment, investigating the population number of insects at 3d, 7d, 14d and 21d after pesticide application, selecting 5 points in each district, taking 10 plants at each point, recording the number of live insects and the age of the insects, and calculating the control effect.
Insect population control effect (%) = (number of insects in blank group-number of living insects in treatment area) ÷ number of insects in blank group × 100
The results are shown in Table 2.
TABLE 2
。
As can be seen from the above table, in the pesticide effect test for preventing and controlling rice leaf rollers and chilo suppressalis, the U granules have improved pesticide effect compared with the conventional water dispersible granules, the U granules added with the hydrophobic agent have obvious advantage over the conventional water dispersible granules in the prevention effect, the quick-acting performance of the U granules added with the hydrophobic agent is obviously improved compared with the product without the hydrophobic agent, and the effect of the example 3 with proper proportion of the penetrating agent and the hydrophobic agent is obviously better than that of the comparative example 4.
In conclusion, the emamectin benzoate B2a benzoate and spirodiclofen U granule has obvious advantages in pest control and cost compared with the conventional water dispersible granule, and in addition, the use method is time-saving and labor-saving, is beneficial to the administration of an administrator, and has strong competitiveness in the aspect of reducing the harm of the medicine to a human body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The U-shaped granule containing emamectin benzoate B2a and spirodiclofen is characterized by comprising the following components, by weight, 0.1 ~ 10 part of emamectin benzoate B2a, 30 ~ 0.1.1 parts of spirodiclofen, 1 ~ 5 parts of a binder, 1 ~ 10 parts of a penetrant, 2 ~ 8 parts of a diffusant, 1 ~ 2 parts of a hydrophobing agent and 100 parts of a carrier.
2. The U granule comprising emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the mass ratio of emamectin benzoate B2a to spirodiclofen is 1: 0.01 ~ 300.
3. The U granule comprising emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the mass ratio of emamectin benzoate B2a to spirodiclofen is 3: 15.
4. The U granule containing emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the binder is a mixture of sodium polyacrylate and xanthan gum in a mass ratio of 5: 1.
5. U granule comprising emamectin benzoate B2a and spirodiclofen according to claim 1, characterized in that the hydrophobizing agent is a silicone resin.
6. The U granule containing emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the penetrating agent is fatty alcohol polyoxyethylene ether.
7. The U granule comprising emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the mass ratio of the hydrophobic agent to the osmotic agent is 1: 2 ~ 4.
8. The U granule containing emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the dispersing agent is white carbon black.
9. The U granule containing emamectin benzoate B2a and spirodiclofen according to claim 1, wherein the carrier is potassium sorbate.
10. A process for the preparation of U granules comprising emamectin benzoate B2a and spirodiclofen, according to any of claims 1 ~ 9, characterized in that it comprises the following steps:
(1) crushing: adding emamectin benzoate B2a, spirodiclofen, a dispersing agent, a binder, a hydrophobic agent and a carrier into a gravity-free mixer according to the weight part ratio, uniformly mixing, crushing by an airflow crusher, wherein the airflow pressure is 0.5MPa, and the particle size D90 after crushing is 5 mu m to obtain airflow crushed powder;
(2) and (3) granulating: adding ethanol 5 times of the weight of the penetrant according to the weight part ratio, uniformly stirring, pouring into the airflow pulverized powder, uniformly stirring, and extruding and granulating;
(3) drying: and (3) conveying the prepared wet granules to a fluidized bed for drying, wherein the air inlet temperature is 70 ℃, the air outlet temperature is 40 ℃, and the discharge hole is connected with a sieving machine for sieving, detecting and packaging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999391.5A CN110583676A (en) | 2019-10-21 | 2019-10-21 | U-shaped granule containing emamectin benzoate B2a benzoate and spirodiclofen and preparation method thereof |
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| CN201910999391.5A CN110583676A (en) | 2019-10-21 | 2019-10-21 | U-shaped granule containing emamectin benzoate B2a benzoate and spirodiclofen and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578990A (en) * | 2009-06-29 | 2009-11-18 | 通化绿地农药化学有限公司 | Compound preparation of spiromesifen and antibiotic pesticide |
| CN106914287A (en) * | 2017-03-14 | 2017-07-04 | 同昕生物技术（北京）有限公司 | A kind of micro-fluidic chip and preparation method and application |
| CN107163755A (en) * | 2017-06-19 | 2017-09-15 | 无锡市赛易特化工有限公司 | Nano-lotus leaf water-repellent paint |
-
2019
- 2019-10-21 CN CN201910999391.5A patent/CN110583676A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578990A (en) * | 2009-06-29 | 2009-11-18 | 通化绿地农药化学有限公司 | Compound preparation of spiromesifen and antibiotic pesticide |
| CN106914287A (en) * | 2017-03-14 | 2017-07-04 | 同昕生物技术（北京）有限公司 | A kind of micro-fluidic chip and preparation method and application |
| CN107163755A (en) * | 2017-06-19 | 2017-09-15 | 无锡市赛易特化工有限公司 | Nano-lotus leaf water-repellent paint |
Non-Patent Citations (6)
| Title |
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| 夏世钧等: "《农药毒理学》", 31 May 2008, 化学工业出版社 * |
| 庄建桥: "《粉体配料混合技术》", 31 July 2005, 科学技术文献出版社 * |
| 洪家宝: "《精细化工后处理装备》", 30 November 1990, 化学工业出版社 * |
| 王正远: "《化工产品购销手册》", 29 February 2008, 中国物资出版社 * |
| 程永等: ""农药省力化剂型的研究进展"", 《农业工程》 * |
| 马承铸等: ""阿维菌素B2对四种节肢动物的毒力活性和田间防治效果"", 《上海农业学报》 * |
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Application publication date: 20191220 |