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57 results about "Triazine herbicide" patented technology

Triazine herbicides provide selective weed control in crops such as corn, sorghum, and sugarcane. In addition, some members of the triazine family are used for weed control in orchards, horticultural, and perennial crops, etc. A unique selective use of triazine herbicides is in triazine-tolerant rapeseed.

Herbicide composition and herbicide containing herbicide composition

The present invention relates to the field of pesticide herbicides, and discloses a herbicide composition and a herbicide containing the herbicide composition, the herbicide composition comprises a component A and a component B, the component A is a triketone compound shown as formula (I), and the component B is at least one selected from the group consisting of triazine herbicides, hydroxybenzonitrile herbicides, triazolinone herbicides, diphenyl ether herbicides, pyridinecarboxylic acid herbicides, phenoxycarboxylic acid herbicides, benzoic acid herbicides, pyridine herbicides, chloroacetamide herbicides, sulfonylurea herbicides, triazolopyrimidine herbicides, bentazone, mesotrione and topramezone. The herbicide composition can broaden the herbicidal spectrum and can improve the controleffect and retard the occurrence of weed drug resistance and anti-drug property.
Owner:SHANDONG CYNDA CHEM

Triazine herbicide residual degrading strain and strain therefrom

A method for preparing degrading bacteria for eliminating residual triazine herbicide is disclosed. The strain is Gram's chromatic reacting positive strain BTAH1, which belongs to exiguobacterium sp. Its characteristics are G+, irregular nemaline, 0.7-1.2X2.0-4.0mum, contact enzyme is positive, and it can hydrolyze starch. Genbank landing number of the strain 16S rDNA is AY205564. Its advantages include decrement of pesticide residual amount, atoxic and innoxious green agricultural product.
Owner:NANJING AGRICULTURAL UNIVERSITY

Herbicidal Compositions Comprising Pyroxasulfone VI

The present invention relates to herbicidally active compositions, which comprise 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole [common name pyroxasulfone] and at least one herbicide B which is an inhibitor of the electron transfer in photosynthesis and which is selected from the groups of: b.1 arylurea herbicides; b.2 triazin(di)one herbicides; b.3 terbuthylazine; b.4 pyridazinone herbicides; b.5 phenylcarbamate herbicides; b.6 nitrile herbicides; b.7 bentazone and its salts such as bentazone sodium; and b.8 methylthiotriazine herbicides. The invention furthermore relates to the use of a composition as defined herein for controlling undesirable vegetation in crops which, by genetic engineering or by breeding, are resistant to one or more herbicides and / or pathogens, such as plant-pathogenous fungi, and / or to attack by insects; preferably resistant to one or more herbicides that act as inhibitor of the electron transfer in photosynthesis. The invention furthermore relates to a method for controlling undesirable vegetation, which comprises applying an herbicidal composition according to the present invention to the undesirable plants. Application can be done before, during and / or after, preferably during and / or after, the emergence of the undesirable plants. The herbicide A and the at least one herbicide B can be applied simultaneously or in succession.
Owner:BASF AG

Composition of corn field herbicides

The invention belongs to the field of pesticide mixing, and discloses a composition of corn field herbicides. The composition is a suspoemulsion, a water suspending agent or an oil suspending agent composed of A, B and C herbicide compounds serving as active ingredients, and the active ingredient content of the composition is 5 to 60 percent; A is mesotrione, B is one or more of triazine herbicides, and C is one or more of amide herbicides, wherein the composition contains one herbicide compound A, at least one herbicide compound B selected from the following compounds and at least one herbicide compound C selected from the following compounds; and according to the formula, the composition is ground under high pressure, emulsified and dispersed into the suspoemulsion, the water suspending agent or the oil suspending agent according to different proportions, and is used for preventing and killing weeds in corn fields at the post-emergence stage.
Owner:丹东市农药总厂

Method for detecting amide and triazine herbicide residues in water body by utilizing graphene

The invention discloses a method for detecting amide and triazine herbicide residues in a water body by utilizing graphene, which belongs to the field of analysis on pesticide residues in water bodies. The method comprises the following steps: adsorbing the amide and the triazine herbicide in the water body by using the graphene, filtering, eluting, concentrating and detecting, thereby realizing detection of the amide and the triazine herbicide in the water body. By using the graphene as an adsorbing material, the invention has the advantages of small use amount, strong adsorptive capacity and low preparation cost; the operation is simple, convenient and quick, and avoids reextraction and pre-activation; the use amount of solvent is small, the graphene and extraction columns can be recycled, thus, the invention has the advantages of environmental protection and cost saving; and the invention has high accuracy, and the recovery rate is 80-110%.
Owner:CHINA AGRI UNIV

Preparation method of triazine herbicide molecularly imprinted polymer

The invention discloses a preparation method of a triazine herbicide molecularly imprinted polymer. The preparation method comprises the steps of carrying out processes of self-assembly, prepolymerization, polymerization and the like by taking triazine herbicides or other analogues as template molecules and adopting a thermal initiation mass polymerization method so as to obtain the triazine herbicide molecularly imprinted polymer, and carrying out steps of synthesis, grinding, sieving, dilution and the like so as to obtain a specific adsorption material. The static adsorption rate of the obtained molecularly imprinted polymer can reach above 95%, the adsorbing capacity of the molecularly imprinted polymer reaches 4.9mg / g, but the adsorption rate of a corresponding non-molecularly imprinted polymer is less than 10%, and the adsorbing capacity of the non-molecularly imprinted polymer is less than 0.51mg / g, so that the imprinting effect is remarkable.
Owner:KUNMING UNIV OF SCI & TECH

Phytocide composite

The herbicide composition contains symmetrical triazine herbicide atrazine, simazine or propazine; amide herbicide acetachlor, butachlor, propisochlor or metoachlor; and paraquat in the ratio of 1-10 to 1-10 to 1. The herbicide composition may be compounded into water suspension, wettable powder, oil suspension, dry suspension, water dispersed granulated preparation, granulated preparation or tablet. The herbicide composition may be used directionally in preemergence or postemergence stage in corn field, sugar cane field, etc.
Owner:河北宣化农药有限责任公司

Bactericide used for degrading triazine herbicides and preparation method thereof

ActiveCN105920773APromote degradationBioremediation is of great significanceTriazine herbicidePolyvinyl alcohol
The invention relates to a bactericide used for degrading triazine herbicides. The bactericide used for degrading the triazine herbicides is prepared by embedding Leucobacter sp. JW-1 in a crosslinked product, serving as a carrier, of sodium alga acid and polyvinyl alcohol; the content of wet vectors of the Leucobacter sp. JW-1 in the bactericide is 30 g / L, the content of polyvinyl alcohol in the bactericide is 120 g / L, and the content of sodium alga acid in the bactericide is 20 g / L; the bactericide used for degrading the triazine herbicides is in round particle shapes, smooth in surface, and good in elasticity, mechanical strength and permeability. The Leucobacter sp. JW-1 has an excellent degrading effect for the multiple triazine herbicides, and can be used for fast degrading the triazine herbicides containing SCH3 and Cl. Free Leucobacter sp. JW-1 is prone to running off and poor in environmental adaptability, and therefore the Leucobacter sp. JW-1 is embedded and fixed to be prepared to be the bactericide which is practically applied to the technical field of bioremediation of the triazine herbicides and has major bioremediation significance and economical benefits.
Owner:安徽省公众检验研究院有限公司

Method for detecting triazine herbicide residues in agricultural products through molecular imprinting and dispersive solid-phase extraction

The invention discloses a method for detecting triazine herbicide residues in agricultural products through molecular imprinting and dispersive solid-phase extraction. The method comprises the following steps: taking triazine compounds as template molecules, adding the template molecules, a functional monomer, a cross-linking agent and an initiator into a pore-foaming agent, and preparing molecularly-imprinted nano-microspheres through a precipitation copolymerization method; activating the molecularly-imprinted nano-microspheres, then taking the activated molecularly-imprinted nano-microspheres as adsorption materials of dispersive solid-phase extraction, and detecting various triazine herbicides in complex agricultural product substrates with combination of the molecularly-imprinted nano-microspheres and UPLC-MS / MS. The molecularly-imprinted nano-microspheres prepared by the method have high selective adsorption on the template molecules and structural analogs of the template molecules; meanwhile, the particle diameter distribution is uniform; the detection reproducibility is improved; the defects that the flow rate is difficultly controlled and the reproducibility is low in theconventional solid-phase extraction column are overcome; the detection requirements of trace triazine pesticide residues in various substrates can be met.
Owner:KUNMING UNIV OF SCI & TECH

Compound herbicide containing s-metolachlor and preparation method of compound herbicide

The invention relates to a compound herbicide containing s-metolachlor, and belongs to the field of pesticide compound preparations. The active ingredient of the herbicide is prepared by compounding of the s-metolachlor and a triazine herbicide, wherein the triazine herbicide is one selected from terbuthylazine, terbutryn, ametryn and prometryn, and the mass percentage ratio of the s-metolachlor to the triazine herbicide is (1:40)-(40:1). The compound herbicide provided by the invention is used for preventing and removing weeds in corn fields, can improve the preventing and removing effects onthe weeds, reduces the usage amount of pesticides, and simultaneously solves the problem of weed resistance existing in the prior art.
Owner:ZHEJIANG ZHONGSHAN CHEM IND GRP

Method for catalytic synthesis of triazine herbicide

The present invention relates to a method for catalytically synthesizing triazine herbicide. The cyanuric chloride and organic substituted amine are used as raw materials. The organic solvent is used as a media in the alkaline condition. The triazine herbicide is prepared through a two-step substitution. The second step of substitution reaction is executed in the condition of catalysis by catalyst. The catalyst is quaternary ammonium or phosphonium actericide phase transfer catalyst. Compared with the prior art, the method of the invention has the advantages of simple process flow, high security, effective increase of transformation efficiency of raw material, reduced generation of secondary reaction, reduced production cost, excellent economic benefit and environmental benefit, and suitability for the large-scale industrial production.
Owner:SHANDONG WEIFANG RAINBOW CHEM

Hollow-fiber-film-coated molecular imprinting integral adsorption rod, as well as preparation method and application thereof

The invention claims a hollow-fiber-film-coated molecular imprinting integral adsorption rod, as well as a preparation method and an application thereof. According to the invention, an atrazine molecular imprinting capillary integral extraction head is prepared by using a way of in-situ microwave polymerization in a capillary; the imprinting integral extraction head is coated by using a hollow fiber film and then is used as a solid phase micro-extraction head; by combining a hollow fiver film extraction technology and a high performance liquid chromatography, parameters affecting the extracting efficiency are optimized, such as extraction and analysis solvents, salt concentrations and pH values, extraction and analyzing time, stirring speed and the like; two analysis methods capable of directly extracting triazine herbicides in an environmental water sample are established. The standard recovery rates of detected four triazine herbicide substances are greater than 80% under the optimized experiment conditions. According to the invention, a detection method in which hollow-fiber-film-coated molecular imprinting polymer integral column micro-extraction and an HPLC (High Performance Liquid Chromatography) are combined is established; the detection method has the advantages of simplicity, rapidity, high sensitivity and the like and is suitable for the routine analysis of the water samples.
Owner:HENAN INST OF SCI & TECH

Fungicide used for degrading triazine herbicides and preparation method of fungicide

The invention relates to a fungicide used for degrading triazine herbicides. The fungicide is prepared by taking sodium alginate, polyvinyl alcohol and active carbon as carriers, and embedding with pseudomonas stutzeri sp. Y-2; in the fungicide, the content of the wet thallus of the pseudomonas stutzeri sp. Y-2 is 20g / L, the content of polyvinyl alcohol is 140g / L, and the content of sodium alginate is 10g / L; the fungicide is in the form of spherical particles, the surface is smooth, the elasticity is good, the mechanical strength is good, and the permeability is good. The pseudomonas stutzerisp. Y-2 has a good degrading effect for several kinds of triazine herbicides, and can rapidly degrade the triazine herbicides including atrazine, terbuthylazine and the like containing the chlorine group (-Cl). The free thallus is lost easily in the environment, and has the poor adaptive capacity to the environment, therefore, the thallus needs to be embedded and immobilized to form the fungicide,the fungicide is applied to the water body or soil polluted by the triazine herbicides in practical production, and the fungicide has great significance and economic benefit in improving the water body and soil.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Magnetic effervescent tablet, preparation method thereof, and application of magnetic effervescent tablet in extraction of triazine herbicides in water

The invention provides a magnetic effervescent tablet, a preparation method thereof, and an application of the magnetic effervescent tablet in the extraction of triazine herbicides in water, and belongs to the technical field of sample detection. The magnetic effervescent tablet comprises a magnetic material, sodium aliphatate, a proton donor, a salt and an alkaline salt; the magnetic material isnanometer ferroferric oxide; the sodium aliphatate is any one of sodium caprylate, sodium hexanoate and sodium decanoate; the proton donor is any one of citric acid, oxalic acid and sodium dihydrogenphosphate; the salt is sodium chloride; and the alkaline salt is sodium bicarbonate or sodium carbonate. The application has the advantages of simplicity and quickness in operation, simple and easy operation of two-phase separation, high extraction efficiency, no need of an extraction device, minimal consumption of organic solvent products, greenness and environmental protection.
Owner:SHANXI AGRI UNIV

Corn field herbicide composition

The present invention relates to corn field herbicide composition. The corn field herbicide composition contains triazines herbicide, amide herbicide and sulfonylurea herbicide, as well as boron and boride. The herbicide may be prepared into oil suspension, wettable powder, water dispersed pellet, dry suspension, pellet, tablet, effervescent tablet, emulsified paste or bolus. It is used mainly for corn field before or after seedling emergency to preventing and killing weeds.
Owner:SHANGHAI TAIHE INT TRADE CO LTD

S-triazine-herbicide-degrading bacteria, product for the bioremediation and method of bioremediation

The present invention provides a bacterial strain which is able to degrade or mineralize s-triazine compounds, such as simazine, which corresponds to Pseudomonas sp. strain MHP41, deposited under the accession number NRRL B-30908. The present invention provides a product for the bioremediation of environments contaminated with s-triazine, where the product includes a bacterial inoculum of Pseudomonas sp. strain MHP41. The present invention further provides a method for the bioremediation of environments contaminated with s-triazines, which uses this product for the bioremediation.
Owner:UNIV TECNICA FEDERICO SANTA MARIA

Production method and device for ametryn

The invention provides a production method and device for ametryn, and solves the technical problems of high energy consumption and low productivity in the production process of the ametryn. The production method comprises the following steps: dissolving the ametryn in an organic solvent to obtain an ametryn synthetic solution, and treating the ametryn synthetic solution by using a scraper evaporator to obtain an ametryn molten solution. The production device comprises the scraper evaporator; the scraper evaporator comprises a first-stage scraper evaporator, a second-stage scraper evaporator and a third-stage scraper evaporator which are connected in series. The production method device can be widely applied to the production field of s-triazine herbicide type products.
Owner:NINGXIA G R FINE CHEM CO LTD

Topramezone-containing herbicide composition

The invention relates to a herbicide composition, in particular to a cornfield herbicide composition taking topramezone, halosulfuron-methyl and ametryn or simazine selected from a triazine herbicide as active ingredients, the weight ratio of the effective components of the topramezone to the halosulfuron-methyl to the triazine herbicide in the composition is 0.375-6 to 0.5-8 to 30-480, and the weight percentage of the effective components in the composition ranges from 10 percent to 80 percent. The compound herbicide can be prepared into conventional dosage forms such as wettable powder, water dispersible granules and suspending agents, the herbicide composition can prevent and kill off various weeds in the cornfield simultaneously, the control effect to the cornfield weeds is obviously improved, the dosage of the effective components is less, the usage cost is low, safety to corn and afterreap crops is achieved, and the herbicide composition is an ideal herbicide.
Owner:SHANDONG BINNONG TECH

Triazine weeding composition containing brassinolide compounds

The invention discloses a triazine weeding composition containing brassinolide compounds. The composition comprises an active ingredient and a synergistic aid. The active ingredients comprise bentazone, asulam and a triazine herbicide. The synergist is prepared from the brassinolide compound, algal polysaccharides, pectic acid and sulfosuccinic acid fatty alcohol. The composition has an extremelygood synergistic effect within a certain ratio range. Compared with a single agent, the mixed composition has the advantages that the weeding effect is obviously improved, so that the use dosage is reduced, the pesticide cost of farmers is reduced, and meanwhile, the influence degree on the environment is reduced. The composition has a wide weeding spectrum, can prevent and remove broadleaf weedsand other weeds in a soybean field, and has a very good synergistic effect. Compared with a single preparation, the composition has an obvious synergistic effect, is high in weeding speed, delays thedrug resistance of weeds, and has very good safety to a soybean field.
Owner:江西鑫邦科技有限责任公司

Method for detecting triazine herbicides and degradation products thereof in seawater

The invention discloses a method for detecting triazine herbicides and degradation products of the triazine herbicides in seawater, and belongs to the technical field of water environment detection. The method for detecting the triazine herbicides and the degradation products thereof in seawater comprises the following steps: carrying out efficient pretreatment on a seawater sample to be detected;then introducing an internal standard method and combining high-performance liquid chromatography-quadrupole tandem mass spectrometry and high-resolution mass spectrometry to rapidly, quantitatively,accurately and qualitatively analyze the triazine herbicides and degradation products thereof in the seawater sample. A sample efficient pretreatment method is adopted, and the method is simple to operate and easy to reproduce. An internal standard method is combined with high performance liquid chromatography-quadrupole tandem mass spectrometry and high-resolution mass spectrometry, and the rapid quantitative and accurate qualitative analysis is carried out on the triazine herbicides and degradation products thereof in a seawater sample.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Method for detecting triazine herbicides and metabolites thereof in shellfish

The invention discloses a method for detecting triazine herbicides and metabolites thereof in a shellfish, and belongs to the technical field of detection of pesticide residues in aquatic products. The method for detecting triazine herbicides and metabolites thereof in the shellfish comprises the following steps: carrying out efficient pretreatment on a shellfish sample to be detected; and introducing an internal standard method and combining high-performance liquid chromatography-quadrupole tandem mass spectrometry and high-resolution mass spectrometry to quantitatively and qualitatively analyze the triazine herbicides and metabolites thereof in the shellfish sample. The sample pretreatment method provided by the invention can quickly remove a large amount of fat interference in the sample, and the method is simple to operate, and the reproduction is easy. The internal standard method is combined with the high-performance liquid chromatography-quadrupole tandem mass spectrometry and high-resolution mass spectrometry, and the triazine herbicides and metabolites thereof in shellfish samples are rapidly, quantitatively, accurately and qualitatively analyzed.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Conjugated microporous polymer as well as preparation method and application thereof

The invention relates to the technical field of chemical analysis, in particular to a conjugated microporous polymer and a preparation method and application thereof. A repeating unit of the conjugated microporous polymer is shown in the specification, and the conjugated microporous polymer is formed by polymerizing two monomers, namely 1, 3, 5-tri (4-acetylene phenyl) benzene and tribromophenol. The OH-CMP material is of a spherical structure, has an average diameter of 30-50 nm, has high hydrophobicity, has a specific surface area up to 534 m < 2 >. G <-1 >, and has high thermal stability and chemical stability. The OH-CMP has relatively high specific surface area, excellent adsorption capacity and satisfactory repeatability. A novel method for analyzing triazine herbicide pollutants in the environment and food samples by solid-phase extraction-liquid chromatography-tandem mass spectrometry established on the basis of the material is wide in linear range and low in detection limit, and results can meet detection requirements. The polymer has a good application potential in rapid analysis of triazine herbicide pollutants in environment and food.
Owner:SHANDONG ANALYSIS & TEST CENT

Method for detecting amantadine compounds and triazine herbicides in algae

The invention belongs to the technical field of material analysis, and provides a method for detecting amantadine compounds and triazine herbicides in algae. According to the method, acetonitrile, ethyl acetate, a formic acid-acetonitrile mixed solution with the formic acid volume concentration of 1% or a formic acid-ethyl acetate mixed solution with the formic acid volume concentration of 1% are adopted as an extracting agent, so that amantadine compounds and triazine herbicides in an algae sample can be released; a PSA adsorbent is used as an adsorbent; impurities which have great interference on amantadine compounds and triazine herbicides in an extracting solution can be adsorbed and removed to the greatest extent, qualitative detection is performed by adopting ultrahigh performance liquid chromatography, primary mass spectrometry and secondary mass spectrometry, the qualitative accuracy can be improved, false positive can be eliminated, and the detection accuracy can be improved; the amantadine compounds and the triazine herbicides can be accurately quantified by performing quantitative analysis on the amantadine compounds and the triazine herbicides by using ultrahigh liquid chromatography and primary chromatography, and the method has relatively high detection sensitivity.
Owner:山东省海洋资源与环境研究院

Application of bagasse-based magnetic activated carbon in detection of triazine herbicide in brown sugar

The invention discloses bagasse-based magnetic activated carbon and application thereof in detection of a triazine herbicide in brown sugar. The bagasse-based magnetic activated carbon is prepared by the following steps: (1) adding a phosphoric acid solution into pretreated bagasse, uniformly dispersing, filtering, drying filter residues obtained by separation, transferring the filter residues into a reaction container, heating, introducing argon to obtain porous biochar, and washing, drying, and grinding the porous biochar for later use; and (2) ultrasonically dispersing the porous biochar obtained in the step (1) in an aqueous solution, introducing nitrogen, adding CoCl2. 6H2O, FeCl3. 6H2O and FeCl2. 4H2O, heating, dropwise adding an ammonia water solution to adjust the pH value to 10, collecting by a magnet to obtain bagasse-based magnetic biochar, and washing and drying the bagasse-based magnetic biocha for later use. The bagasse-based magnetic activated carbon provided by the invention is simple in preparation method and low in cost, the sample pretreatment process is simple and convenient to operate and short in time consumption, and the method for detecting triazine herbicide in brown sugar provided by the invention is high in sensitivity and good in repeatability.
Owner:广东省科学院生物与医学工程研究所

Continuous production method of multi-kettle serial triazine herbicide

InactiveCN109627225AStrong production process continuityIncrease production capacityOrganic chemistryTriazine herbicideSolvent
The invention relates to a continuous production method of a multi-kettle serial triazine herbicide. A metered cyanuric chloride solution is pre-cooled and mixed with alkylamine R1 in a mixer to entera first-stage reaction kettle, continuous discharging is conducted, after a heat exchanger is passed, the cyanuric chloride solution is neutralized with alkali in the mixer and enters a first-stage neutralization kettle, after a reaction is completed, the cyanuric chloride solution passes through a continuous water separator and the heat exchanger and is mixed with alkylamine R2 in the mixer to enter a second-stage reaction kettle, the continuous discharging is conducted, after the cyanuric chloride solution passes through the heat exchanger, the cyanuric chloride solution is mixed with the alkali in the mixer to enter a second-stage neutralization kettle, after the neutralization, a aqueous phase is separated by a continuous layerer, a solvent is removed, and drying is conducted to obtain a triazine product. The production method has the advantages of high productivity, good production stability, high efficiency, high product quality and the like, is particularly suitable for technical transformation of existing production enterprises, has a low transformation cost, basically does not add novel reaction equipment, and is easily mastered by existing enterprises.
Owner:SHANDONG NORMAL UNIV

Herbicidal combination

The present invention provides a herbicidal combination comprising Saflufencacil in combination at least two herbicides. The first herbicide may be selected from a triazine herbicide, triazinone herbicide, triazole herbicide, triazolone herbicide, or triazolopyrimidine herbicide, and the second herbicide may be at least one dinitroaniline herbicide
Owner:UNITED PHOSPHORUS LTD

Method for determining triazine herbicide residues in aquatic products by ultra-high performance liquid chromatography-tandem mass spectrometry

The invention discloses a method for determining triazine herbicide residues in aquatic products by ultra-high performance liquid chromatography-tandem mass spectrometry. The method comprises the following steps: 1, preparing a mixed standard solution; 2, UPLC analysis and detection; 3, HESI-MS / MS analysis and detection are carried out; 4, establishing a standard curve; 5, pretreatment of an aquatic product sample; and 6, detecting the sample to be detected. The method is simple, the residual quantity of the triazine herbicides in the aquatic products can be rapidly and accurately detected, the matrix interference is little, and the determination result is accurate.
Owner:YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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