CN115868483A - Agrochemical suspension concentrate formulations and methods of making and using the same - Google Patents

Agrochemical suspension concentrate formulations and methods of making and using the same Download PDF

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Publication number
CN115868483A
CN115868483A CN202111137872.9A CN202111137872A CN115868483A CN 115868483 A CN115868483 A CN 115868483A CN 202111137872 A CN202111137872 A CN 202111137872A CN 115868483 A CN115868483 A CN 115868483A
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formulation
agent
agrochemical
bacterial cellulose
water
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李红斌
刁刘洋
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Aifa Biotechnology Dalian Co ltd
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Aifa Biotechnology Dalian Co ltd
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Priority to CN202111137872.9A priority Critical patent/CN115868483A/en
Priority to PCT/CN2022/117291 priority patent/WO2023045754A1/en
Publication of CN115868483A publication Critical patent/CN115868483A/en
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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
    • A01N25/02—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 containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N25/08—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 containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • 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
    • A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
    • 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
    • A01N29/00—Biocides, pest repellants or attractants, or plant growth regulators containing halogenated hydrocarbons
    • 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
    • A01N29/00—Biocides, pest repellants or attractants, or plant growth regulators containing halogenated hydrocarbons
    • A01N29/04—Halogen directly attached to a carbocyclic ring system
    • A01N29/08—Halogen directly attached to a polycyclic ring system
    • 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P3/00—Fungicides

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Dispersion Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides an agrochemical suspension concentrate formulation, a method of making the same and applications thereof. The agrochemical suspension concentrate formulation is in a suspension type of solid particles, can be diluted in water and comprises one or more agrochemical active ingredients and bacterial cellulose, wherein the mass ratio of the bacterial cellulose in the formulation is 0.001-2%. The bacterial cellulose is added into the agrochemical suspension concentrate formulation, so that the agrochemical suspension concentrate formulation has the characteristics of low dosage and good suspension effect, can suspend various pesticide active ingredients, and has a wide application prospect.

Description

Agrochemical suspension concentrate formulations and methods of making and using the same
Technical Field
The invention relates to an agrochemical formulation, in particular to an agrochemical suspension concentrate formulation, a preparation method and application thereof.
Background
Agrochemical formulations are generally applied as sprays, usually with water as the main medium, wherein one formulation is a suspension of solid particles, the agrochemical active (poorly soluble or insoluble in water) is first formulated into a concentrate (suspension concentrate) which is diluted to a spray at the time of use.
However, the existing agrochemical formulations have the defects of unstable suspension of solid particles, easy precipitation, high viscosity after a large amount of thickening agents are added, difficult production, split charging, poor service performance and the like, and need to be improved urgently.
Disclosure of Invention
The invention aims to provide an agrochemical suspension concentrate formulation, a preparation method and application thereof.
In order to achieve the object of the present invention, in a first aspect, the present invention provides an agrochemical suspension concentrate formulation, which is in the form of a suspension of solid particles, and which is dilutable in water, comprising one or more agrochemical active ingredients and bacterial cellulose, the mass ratio of the bacterial cellulose in the formulation being 0.001% -2%, preferably 0.01% -1%.
Theoretically, bacterial cellulose can form three-dimensional network structures in various systems due to its unique size ratio. This network can be used to stabilize solid particles in a suspension. In the industrial production of bacterial cellulose, people have found high-yield, difficult-to-contaminate and acid-resistant bacteria cellulose producing bacteria (such as colt shaped bacillus Komagataeibacter sp. ATCA 301) by directly screening from the nature, so that the large-scale production and wide application of the bacterial cellulose are possible.
In practical application, the pesticide has a complex system, large solid particle content, different specific gravities of solid particles of various active substances, and variable components of the surfactant and the dispersant. Therefore, it is desirable to optimize the ratio of bacterial cellulose to other stabilizers and dispersants in the formulation to achieve the desired stabilization effect.
Further, the agrochemical suspension concentrate formulation of the present invention may further include:
(1) One or more humectants; and/or
(2) One or more dispersants; and/or
(3) One or more adjuvants; and/or.
(4) One or more thickening agents; and/or.
(5) One or more anti-freeze agents; and/or.
(6) One or more defoaming agents; and/or.
(7) One or more preservatives.
In the present invention, the agrochemical active ingredient may be selected from at least one of a plant growth regulator, a herbicide, and a pesticide (bactericide, insecticide). The active ingredient is not readily soluble in water, has limited solubility in water, and is present in the concentrate primarily as solid particles. At the same time, solid particles of agrochemical active ingredients are easily precipitated and connected to one another, resulting in difficulty in uniform dispersion after storage.
The bacterial cellulose may be cellulose produced by Acetobacter xylinum, enterobacter, vibrio foeniculi or other bacteria, preferably Vibrio foeniculi (Komagataeibacter sp.) ATC301 with the preservation number of CGMCC No. 17875. The cellulose has an average diameter of 0.01 to 10 μm, preferably 0.1 to 1 μm.
See zl 910801923.X for al shaped bacillus ATC301.
When unadjuvanted, the agrochemical suspension concentrate formulation of the present invention has the following weight% composition:
the agrochemical active ingredients are 50-90
0-2 of bacterial cellulose
3 to 8 parts of dispersant
Wetting agent 2-4
0-5 parts of thickening agent and/or antifreeze agent and/or defoaming agent and/or preservative
The water is filled to 100.
When included, the agrochemical suspension concentrate formulation of the present invention has the following composition in weight percent:
20-50 parts of agrochemical active ingredients
0-2 of bacterial cellulose
Adjuvant 20-40
3 to 8 parts of dispersant
Wetting agent 2-4
0-5 parts of thickening agent and/or antifreeze agent and/or defoaming agent and/or preservative
The water is filled to 100.
In a second aspect, the present invention provides a method for preparing said formulation, comprising the steps of:
A. weighing the raw materials in proportion, adding the agricultural chemical active ingredients, the bacterial cellulose, the dispersing agent, the adjuvant, the defoaming agent and the preservative into water, and uniformly mixing;
B. and D, adding a thickening agent and an antifreeze agent into the mixed system obtained in the step A, and uniformly stirring.
In a third aspect, the present invention provides an atrazine suspension concentrate formulation consisting of:
Figure BDA0003282950880000021
Figure BDA0003282950880000031
wherein the bacterial cellulose is cellulose produced by Acetobacter xylinum, and the average diameter of the cellulose is 0.01-10 μm.
In a fourth aspect, the present invention provides a diulon suspension concentrate formulation consisting of:
Figure BDA0003282950880000032
wherein the bacterial cellulose is cellulose produced by Acetobacter xylinum, and the average diameter of the cellulose is 0.01-10 μm.
In a fifth aspect, the present invention provides the use of the agrochemical suspension concentrate formulation in plant cultivation, agricultural disease control.
In a sixth aspect, the present invention provides a method of treating a plant, the method comprising: the agrochemical suspension concentrate formulation is diluted with water and sprayed onto the plant or the soil surrounding the plant rhizosphere.
By the technical scheme, the invention at least has the following advantages and beneficial effects:
the agrochemical suspension concentrate formulations of the present invention have a low amount of bacterial cellulose added thereto, and are characterized by a good suspending effect, and can suspend a variety of pesticidal active ingredients such as plant growth regulators, herbicides, biocides (e.g., insecticides, fungicides, arachnids, nematicides, snails, chller-killers, bactericides, molluscicides) and bird repellents.
Second, the agrochemical suspension concentrate formulations of the present invention have a lower viscosity than similar products commonly found on the market where thickeners are used to achieve the suspending effect. The low viscosity facilitates production, distribution and use of agrochemical products.
And (III) the product uses pure natural bacterial cellulose to achieve the effect of suspending solid particles, does not need any petrochemical products or synthetic raw materials, and is completely biodegradable. The method plays a demonstration role in energy conservation, emission reduction and environmental protection for other products.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and the raw materials used are commercially available products.
The atrazine, diusuron, the surfactant Atlox MBA 13/8, and the dispersant Emulson AG TP1 used in the following examples were purchased from Pozhen Daichemical (Shanghai) Inc. and Shenzhen Lanzhen Lantiu Biotech Inc., respectively. Bacterial cellulose was purchased from alpha biotechnology research institute (guangzhou) ltd and produced by foal bacillus (Komagataeibacter sp. Atc301. The method for producing bacterial cellulose can be found in zl201910801923.X.
Wherein Atlox MBA 13/8 is polyoxyethylene (8) single-branched alcohol, and Emulson AG TP1 is copolymer of alkyl methacrylate and acrylamide methyl propane sulfonate.
Example 1 Atlanten suspension concentrate formulation and method of making the same
This example provides an atrazine suspension concentrate formulation consisting of:
Figure BDA0003282950880000041
the preparation method comprises the following steps: adding the bacterial cellulose, the surfactant, the dispersant and the antifreeze into water, stirring uniformly at a high speed, adding the atrazine slowly, and stirring uniformly.
Example 2 Diyoulong suspension concentrate formulation and method of making the same
This example provides a diulon suspension concentrate formulation consisting of:
Figure BDA0003282950880000042
the preparation method comprises the following steps: adding the bacterial cellulose, the surfactant, the dispersant and the antifreeze into water, stirring uniformly at a high speed, adding the diyoulong slowly, and stirring uniformly.
Example 3 Performance testing of the formulations
Dissolving dispersant, surfactant and antifreeze agent in water, adding bacterial cellulose and adjuvant, and adding active ingredients of atrazine and diusuron. The mixture was homogenized at high speed in a Silverson mixer. The viscosity and dispersibility of the concentrate in tap water and purified water were measured, and the results are shown in Table 1.
TABLE 1
Active component Altelin Daoyuilong (a Chinese character)
Viscosity of the oil 350mPa·s 450mPa·s
Dispersity in tap water,% 93 92
Degree of dispersion, purified water% 96 94
Suspension, tap water, 4 hours (mm) 0 0
Suspension, purified water, 4 hours (mm) 1 0
The test method is as follows:
viscosity: the rheology of the system was tested and measured with a Brookfield LVT rheometer (# 1 rotor, 6 rpm).
Degree of dispersion (%): the dispersed solid particles were tested for stability in water. The evaluation was made by diluting 3g of the agrochemical suspension concentrate formulation described above into 100mL of water in a test cylinder. The cylinder was inverted several times and left for 0.5 hours. The 90% supernatant liquid was aspirated off with a suction tube, taking care not to disturb the pellet. The remaining liquid and precipitate were transferred to an evaporation tray and dried in an oven at 50 ℃ to constant weight. The resulting powder was weighed (x grams). The dispersion (%) is the mass percent of powder in the upper 90% water of the particle formulation added, and is given by the formula:
dispersity (%) = (3-x)/3 × 100%
The closer to 90% the dispersion, the more uniform the dispersion.
Suspension property: for comparison of the suspensibility of the diluted formulations in water. Diluted with tap water and purified water, respectively, in 100mL graduated cylinders containing samples of the agrochemical suspension formulation). The depth of the deposit after 4 hours is the suspensibility (in mm). The better the suspension, the smaller the deposit depth.
The results show that the agrochemical suspension formulation using bacterial cellulose as the suspending agent has low viscosity, and the diluted formulation has the advantages of high dispersity and high suspensibility no matter diluted in tap water or purified water:
(1) The viscosity of the concentrated formulation was only 350mPa · s and 450mPa · s in terms of the viscosity of the suspension formulation. The viscosity is very low, which is beneficial to production, transportation and dilution.
(2) In terms of dispersion degree, no matter the dispersion degree is diluted by tap water or purified water, the dispersion degree is about 90%, and the solid particles are uniformly dispersed after dilution.
(3) In terms of suspensibility, no obvious solid particles deposit after the preparation liquid is diluted by tap water or purified water.
Example 4 high temperature accelerated stability testing of formulations
The concentrated formulations of examples 1 and 2 were placed in a constant temperature oven at 40 ℃ for six months and then removed, and the viscosity, dispersibility and stability after dilution were measured according to the method of example 3, and the results are shown in Table 2.
TABLE 2
Active component Altelin Daoyuilong (a Chinese character)
Viscosity of the oil 330mPa·s 460mPa·s
Dispersity in tap water,% 93 94
Dispersion degree, purified water,% 95 95
Suspension, tap water, 4 hours (mm) 1 0
Suspension, purified water, 4 hours (mm) 0 0
The results show that the viscosity, dispersion and suspensibility of the agrochemical suspension formulation using bacterial cellulose as the suspending agent are similar to those before high-temperature storage in the high-temperature accelerated stability test at 40 ℃. The product has high thermal stability, and the shelf life of the product can reach at least about 1.5 years under room temperature storage.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. Agrochemical suspension concentrate formulation, characterized in that it is of the suspension type of solid particles and dilutable in water, comprising one or more agrochemical active ingredients and bacterial cellulose in a mass proportion of 0.001-2%, preferably 0.01-1%, in the formulation.
2. The formulation according to claim 1, further comprising:
(1) One or more humectants;
(2) One or more dispersants;
(3) One or more adjuvants;
(4) One or more thickeners;
(5) One or more anti-freeze agents;
(6) One or more defoaming agents;
(7) One or more preservatives.
3. The formulation according to claim 2, wherein the agrochemical active ingredient is selected from at least one of a plant growth regulator, a herbicide, a pesticide; and/or
The bacterial cellulose is cellulose produced by acetobacter xylinum, enterobacter, or bacteroides colata, preferably bacteroides colata (Komagataeibacter sp.) ATC301 with the preservation number of CGMCC No. 17875; the cellulose has an average diameter of 0.01 to 10 μm, preferably 0.1 to 1 μm.
4. The formulation according to claim 3, wherein the formulation, when unadjuvanted, has the following weight% composition:
the agrochemical active ingredients are 50-90
Bacterial cellulose 0.001-2
3 to 8 parts of dispersant
Wetting agent 2-4
0-5 parts of thickening agent and/or antifreeze agent and/or defoaming agent and/or preservative
The water is filled to 100.
5. The formulation according to claim 3, wherein the formulation, when including an adjuvant, has the following weight% composition:
20-50 parts of agrochemical active ingredients
Bacterial cellulose 0.001-2
Adjuvant 20-40
3 to 8 parts of dispersant
Wetting agent 2-4
0-5 of thickening agent and/or antifreeze agent and/or defoaming agent and/or preservative
The water is filled to 100.
6. A method for preparing a formulation according to any one of claims 2 to 5, comprising the steps of:
A. weighing the raw materials in proportion, adding the agricultural chemical active ingredients, the bacterial cellulose, the dispersing agent, the adjuvant, the defoaming agent and the preservative into water, and uniformly mixing;
B. and D, adding a thickening agent and an antifreeze agent into the mixed system obtained in the step A, and uniformly stirring.
7. An atrazine suspension concentrate formulation characterized by the following composition:
Figure FDA0003282950870000021
8. a diulon suspension concentrate formulation characterized by the following composition:
Figure FDA0003282950870000022
9. use of the formulation of any one of claims 1-5 or claims 7, 8 for plant cultivation, agricultural disease control.
10. A method for treating plants, characterized in that the formulation according to any of claims 1 to 5 or 7 or 8 is diluted with water and sprayed onto the plants or the soil surrounding the plant rhizosphere.
CN202111137872.9A 2021-09-27 2021-09-27 Agrochemical suspension concentrate formulations and methods of making and using the same Pending CN115868483A (en)

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PCT/CN2022/117291 WO2023045754A1 (en) 2021-09-27 2022-09-06 Agrochemical suspension concentrate formulation and preparation method therefor and application thereof

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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1430469A (en) * 2000-05-26 2003-07-16 帝国化学工业公司 Agrochemical suspension formulations
CN106998677A (en) * 2014-12-04 2017-08-01 阿克苏诺贝尔化学品国际有限公司 Pesticide dispersions in the concentrated fertilizer aqueous solution
CN108378040A (en) * 2018-04-10 2018-08-10 江阴苏利化学股份有限公司 A kind of safety-type Fluoxastrobin suspending agent preparation method and the usage
CN110484471A (en) * 2019-08-28 2019-11-22 北京爱发科技有限公司 The method that one plant height produces the acidproof bacterial strain of bacteria cellulose and its produces bacteria cellulose

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US20070027108A1 (en) * 2005-05-23 2007-02-01 Zhi-Fa Yang Method of producing effective bacterial cellulose-containing formulations
CN108522512A (en) * 2018-04-10 2018-09-14 江阴苏利化学股份有限公司 A kind of anti-jump type fluazinam suspending agent and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN1430469A (en) * 2000-05-26 2003-07-16 帝国化学工业公司 Agrochemical suspension formulations
CN106998677A (en) * 2014-12-04 2017-08-01 阿克苏诺贝尔化学品国际有限公司 Pesticide dispersions in the concentrated fertilizer aqueous solution
CN108378040A (en) * 2018-04-10 2018-08-10 江阴苏利化学股份有限公司 A kind of safety-type Fluoxastrobin suspending agent preparation method and the usage
CN110484471A (en) * 2019-08-28 2019-11-22 北京爱发科技有限公司 The method that one plant height produces the acidproof bacterial strain of bacteria cellulose and its produces bacteria cellulose

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
武志芳;张霞;易彬;沈才洪;胡承;: "新型生物材料细菌纤维素的研究进展", 食品与发酵科技, no. 01, pages 27 - 30 *

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