699 results about "Soybean oil" patented technology

The invention relates to the technical field of high polymer material preparation, and discloses a bamboo fiber graft modified full-biodegradable composite membrane material preparation process which comprises the following steps: firstly, performing hot mixing and cooling on dried bamboo fiber powder, anhydrous citric acid, choline chloride, activated zinc oxide and pentaerythritol to prepare a bamboo fiber modified premix; then mixing the biodegradable polyester resin with the premix; adding the mixture into an extruder, injecting epoxidized soybean oil into a barrel through a liquid metering device, and performing melt extrusion granulation under a vacuum exhaust condition; and finally carrying out blow molding to form the film. Through in-situ reaction extrusion of multi-component synergism, surface grafting of bamboo fibers, chain extension of a polyester matrix and interface chemical bonding of the bamboo fibers and the polyester matrix are achieved, interface compatibility is effectively improved, degradation of the material in the processing process is inhibited, and the mechanical property and thermal stability of the composite film material are remarkably improved; the process is efficient and environment-friendly, and the cost is controllable.

The invention relates to the technical field of plant breeding, in particular to a molecular marker related to oil content and protein content of soybean and application of the molecular marker. The molecular marker is constructed on the basis of SNP sites; based on a genome version number Wm82. A2. V1, the SNP site is located at the 8605814th site of the No.8 chromosome of the soybean, and the polymorphism is A / G. The application comprises the following steps: (1) predicting or detecting the oil content or protein content of soybeans; (2) identifying or cultivating soybean varieties with high oil content or protein content; (3) soybean molecular marker assisted breeding; (4) soybean variety improvement related to oil content or protein content; and (5) soybean germplasm resource improvement. The molecular marker related to the soybean oil content and the protein content is obtained through research and screening, and the molecular marker can be applied to cultivation of soybean varieties with high oil content and high protein content and has important value in the field of soybean breeding.

The invention discloses environmentally degradable plastic as well as a preparation method and application thereof, and belongs to the technical field of degradable plastic. The degradable modified plastic is prepared from the following raw materials: polylactic acid, poly (butylene terephthalate)-adipate, modified thermoplastic starch, modified cellulose, poly (butylene succinate), epoxidized soybean oil, polyvinyl alcohol, glycerol monolaurate and ethylenediaminetetraacetic acid. Wherein the modified thermoplastic starch is obtained by thermoplastic modification of starch through a plasticizer and modification of castor oil and toluene diisocynate; the modified cellulose is obtained by modifying cellulose acetate with chitosan. By regulating and controlling the types and proportions of the raw materials for preparing the plastic, the plastic with excellent degradation performance and mechanical performance can be obtained, the shopping bag is prepared from the plastic, the loading capacity can be remarkably improved, the plastic is easily degraded by microorganisms in the environment after being discarded, and environmental pollution is avoided.

The invention relates to a preparation method of soybean oil base polyhydric alcohol, in particular to a method for preparing soybean oil base polyhydric alcohol by directly using soybean oil. The soybean oil diluted by using a solvent reacts with hydrogen peroxide with the weight percentage being 30% for 2-5 hours at the temperature of 60-70 DEG C under catalysis of a catalyst with the weight percentage being 3-5%; vacuum distillation is conducted after the reaction is ended, and the solvent is evaporated; then low alcohol is added in a reactor to be subjected to a reaction for 4-6 hours under the pressure of 0.3-0.4 MPa and at the temperature of 70-80 DEG C, then the reaction is stopped, and the soybean oil base polyhydric alcohol is obtained. The method saves the using amount of hydrogen peroxide, reduces the post-treatment steps, and simplifies the production procedures, and accordingly the product cost is declined directly.

The invention discloses a high-strength, low-temperature-resistant and aging-resistant polymer rubber material and a preparation method thereof in the technical field of rubber materials. The high-strength, low-temperature-resistant and aging-resistant polymer rubber material comprises the following components in parts by weight: 100-120 parts of a rubber matrix, 44-62.5 parts of an interface auxiliary agent, 8-15 parts of a vulcanization system, 4-5 parts of a protection system and 8-12 parts of a toughening agent. According to the invention, a multi-component synergistic system is constructed by the multifunctional reinforcer, amino-terminated polysiloxane, amino-terminated polybutadiene and epoxidized soybean oil, and meanwhile, a carbon black / Si-69 interface assistant and a protection / vulcanization system are optimized, so that the synergistic improvement of mechanical properties, low temperature resistance and aging resistance is achieved; the technical problems that traditional rubber is single, excellent in performance and unbalanced in comprehensive performance are solved.

The invention belongs to the technical field of corrugated paperboards, and is characterized in that wood fibers and modified bamboo fibers prepared by reaction of allyl bamboo fibers, 1, 4-butanediol di (mercaptoacetate) and magnolol are pulped, a biodegradable water-resistant auxiliary agent is added for hydrophobic modification, papermaking and shaping are carried out to prepare water-resistant base paper, and the water-resistant base paper is prepared by the following steps: pulping the modified bamboo fibers and the biodegradable water-resistant auxiliary agent. And finally, preparing a surface paper layer, a corrugated medium paper layer and an inner paper layer from the water-resistant raw paper, and bonding and pressing to obtain the corrugated board. Magnolol groups grafted on the surfaces of the modified bamboo fibers can improve the water absorption performance of the fibers, and the hydrophobicity of the corrugated board is improved through the synergistic effect of the magnolol groups and the biodegradable water-resistant auxiliaries; the surface of the biodegradable water-resistant auxiliary agent is embedded with a carboxylated nano-cellulose structure, so that the biodegradable water-resistant auxiliary agent has deformation resistance; the epoxidized soybean oil is used as a core part and has excellent hydrophobicity; through combination of a polyphenol structure of tannic acid and hydrogen bonds of water-resistant base paper fibers, the mechanical properties of the corrugated board are improved, and the corrugated board has excellent biodegradability, hydrophobicity and mechanical strength.

The invention discloses a preparation method of monensin fermentation liquor, relates to the technical field of microbial fermentation, and aims to solve the problems of low titer and long period of the existing process. According to the method, streptomyces cinnamomi is taken as a strain, a culture medium with a specific formula is adopted, and fermentation is performed in three stages: in the first stage (0-30-50 hours), pH is not controlled; in the second stage, a phosphoric acid and compound oil mixed solution (accounting for 1-3% of the fermentation solution, and the compound oil contains 20-30% of peanut oil, 20-30% of corn oil and the like) is supplemented at a time; in the third stage, the pH is controlled to be 6.2-6.3, and soybean oil and sterile water are supplemented according to needs. The fermentation adopts a secondary process, the temperature is controlled at 30-33 DEG C, the dissolved oxygen is more than or equal to 35% and the like, the total duration is less than or equal to 320 hours, and the titer is more than or equal to 55000 mu g / ml. By optimizing the culture medium and precisely regulating and controlling, the element production capacity is improved, the method is suitable for industrial production of tanks of 50 L to 100 m < 3 >, the efficiency is improved, and the cost is reduced.

The invention provides an epoxidized soybean oil-binary acid bio-based dynamic polymer, a preparation method thereof and a paper-based strain sensor packaged by the epoxidized soybean oil-binary acid bio-based dynamic polymer. The preparation method of the dynamic polymer comprises the following steps: (1) taking epoxidized soybean oil as an epoxy monomer, aliphatic dibasic acid as a flexible monomer and aromatic dibasic acid as a rigid monomer, and carrying out polymerization reaction in the presence of a transesterification catalyst to obtain a dynamic polymer prepolymer; the aliphatic binary acid comprises succinic acid, adipic acid and sebacic acid; (2) removing bubbles from the dynamic polymer prepolymer; and (3) carrying out thermal curing on the dynamic polymer prepolymer to obtain the epoxidized soybean oil-binary acid bio-based dynamic polymer. The epoxidized soybean oil-binary acid bio-based dynamic polymer has good mechanical properties and hydrophobicity, a paper-based strain sensor based on the epoxidized soybean oil-binary acid bio-based dynamic polymer also has good mechanical properties and hydrophobicity, and the sensor has certain application potential in the field of human motion monitoring.

The invention discloses fluorine-containing bio-based epoxy resin as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The preparation method of the fluorine-containing bio-based epoxy resin comprises the following steps: enabling octafluoropentyloxy glycidyl ether as a fluorine unit to react with dihydric alcohol to obtain fluorine-terminated side chain butanediol, enabling the fluorine-terminated side chain butanediol to react with isocyanate to obtain a polyurethane prepolymer, and performing boric acid end capping on the polyurethane prepolymer by using 3-aminophenylboronic acid to obtain the fluorine-containing bio-based epoxy resin. The fluorine-containing bio-based epoxy resin (FBPU-ER) is prepared by the following steps: adding fluorine-containing polyurethane resin and phenylboronic acid into epoxidized soybean oil to obtain phenylboronic acid modified fluorine-containing polyurethane resin (FBPU), carrying out boric acid treatment on the epoxidized soybean oil by using 3-aminophenylboronic acid to obtain phenylboronic acid modified epoxy resin (BER), and finally, mixing the phenylboronic acid modified fluorine-containing polyurethane resin and the phenylboronic acid modified epoxy resin to obtain the fluorine-containing bio-based epoxy resin (FBPU-ER). The fluorine-containing bio-based epoxy resin prepared through fluorine-containing modification and toughening design has good mechanical properties, stability and self-repairing performance.

The invention belongs to the technical field of plant molecular breeding, and particularly relates to a KASP molecular marker related to the oil content of soybeans and application of the KASP molecular marker. The molecular marker is based on a soybean Glyma. 13G035200 gene, and targets an SNP (Single Nucleotide Polymorphism) site, which is remarkably associated with the soybean oil content, in the gene. The invention further provides a specific primer combination and a detection method of the molecular marker, soybean genotypes can be rapidly distinguished through PCR amplification and fluorescence signal detection, and high-oil-content soybean individuals can be accurately screened. The molecular marker has the advantages of being high in specificity, efficient in detection, reliable in result and the like, can be applied to soybean molecular marker assisted breeding, germplasm resource screening and high-oil soybean variety cultivation, remarkably shortens the breeding period, reduces the breeding cost, and provides an efficient tool for precise improvement of the soybean oil content character.

The invention discloses a molecular marker InDel20 for identifying soybean oil content, a primer and application of the molecular marker InDel20. The molecular marker InDel20 is an insertion / deletion variation of 321 bp located at the 20th chromosome Chr20: 31728602-31728922 of the soybean, and the nucleotide sequence of the molecular marker InDel20 is as shown in SEQ ID No. 1; wherein the soybean material containing the insertion fragment is high-oil-content soybean, and the soybean material not containing the insertion fragment is low-oil-content soybean. The invention further provides a primer for detecting the molecular marker InDel20 and a method for identifying the content of soybean oil, and the identification accuracy rate is as high as 90.61%. The molecular marker InDel20 can be used for early-stage molecular marker-assisted selection of soybean high-oil characters, is suitable for germplasm resource screening, variety identification and molecular breeding of high-oil soybeans, and has important application value for accelerating polymerization of high-quality alleles and improving breeding efficiency.

The invention belongs to the technical field of wear-resistant materials, and particularly relates to a wear-resistant flexible material for an LED lamp strip and a preparation method of the wear-resistant flexible material. The invention discloses a PVC (polyvinyl chloride) material which is prepared from the following raw materials in parts by mass: 80-110 parts of PVC resin, 2-4 parts of a methyl methacrylate-butadiene-styrene copolymer, 0.5-1.5 parts of methyl vinyl silicone rubber, 0.3-0.5 part of a maleic anhydride grafted polyethylene octylene elastomer, 0.5-1 part of modified nano silicon dioxide, 2-3 parts of epoxidized soybean oil, 1-2 parts of dioctyl adipate, 3-5 parts of a heat stabilizer and 0.3-0.5 part of butyl stearate. 0.1-0.3 part of an antioxidant and 1-3 parts of an acrylate processing aid. The PVC resin is used as a base material, the flexible silicone rubber is used as an auxiliary material, material performance optimization is achieved through cooperation of the raw materials such as the plasticizer and the heat stabilizer, and the performance such as flexibility, abrasion resistance and heat stability of the material is guaranteed.

The invention relates to the technical field of cables, in particular to an environment-friendly flame-retardant antioxidant chlorinated polyvinyl chloride cable and a preparation method thereof, and the environment-friendly flame-retardant antioxidant chlorinated polyvinyl chloride cable comprises the following raw materials: chlorinated polyvinyl chloride, dioctyl terephthalate, nano aluminum hydroxide, a composite flame retardant, a calcium-zinc stabilizer, epoxidized soybean oil and nano clay. The composite flame retardant forms an organic-inorganic synergistic core-shell structure on a micro-nano scale, hexaphenoxy cyclotriphosphazene provides a phosphorus source flame-retardant function, and polyborosilazane forms a boron-silicon-nitrogen ceramic network after heat treatment, so that the carbon layer stability and thermal oxidation resistance of the material are effectively improved; meanwhile, the modified silicon dioxide is used as an inorganic skeleton reinforcing phase, so that the dispersity and the interface bonding performance of the flame retardant in a CPVC matrix are improved; through the synergistic effect, the flame retardant efficiency, thermal stability and mechanical strength of the cable material are remarkably improved, and smoke release and toxicity are reduced.

The invention provides an edible coating fresh-keeping liquid suitable for low-temperature refrigeration of harvested tropical fruits and a storage and fresh-keeping method. The low-temperature cold storage edible film coating fresh-keeping liquid is soybean oil. When bananas or mangoes are coated with the edible coating liquid for low-temperature refrigeration, the occurrence of fruits under low-temperature refrigeration can be effectively inhibited, and the sensory quality and shelf life of the fruits can be maintained. Bananas or mangoes are subjected to soybean oil coating treatment, so that the relative conductivity of fruit tissues can be effectively reduced, and the integrity of fruit cell membranes is maintained; according to the present invention, the production of H2O2, O2 <-> and MDA can be significantly reduced, the activity of POD can be inhibited, and the activity of PPO, SOD and CAT can be enhanced so as to activate the anti-oxidation defense system of fruits, reduce the oxidative damage caused by cold injury, and enhance the accumulation of osmotic regulation substances; the content of antioxidant carotenoid can be increased, so that the stress resistance of the fruits is improved, and the cold injury of the fruits in the low-temperature storage process is reduced.

The utility model discloses a soybean oil skin deep-frying production device which comprises a deep-frying box, the deep-frying box is composed of a lower deep-frying box body and a vertical plate, the deep-frying box is rotationally connected with a plurality of chain wheels, chains are arranged on the chain wheels, one group of the chain wheels is rotationally connected with a chain wheel motor, and at least one group of transverse cutter heads are hinged to the upper portion of the deep-frying box. The frying box is rotatably connected with at least one group of longitudinal cutter heads, a heating assembly is additionally arranged in the frying box, the chain is rotatably connected with at least one group of clamping hands capable of being opened and closed, a feeding assembly matched with the clamping hands is arranged on one side of the frying box, a sensor matched with the clamping hands is arranged in the frying box, and a discharging assembly is fixed on the frying box. The frying box is further provided with a moisture regaining box for preventing soybean oil skin from being broken, a vertical cutter is arranged in the moisture regaining box, the vertical cutter is further provided with a rack capable of enabling the clamping hand to rotate, and the device can improve efficiency, improve the yield of products, save labor and achieve high-standard and highly-automatic processing.

The embodiment of the invention discloses a degradable filling plastic master batch and a preparation method thereof. The degradable filling plastic master batch comprises the following components: a bio-based material, an accelerant, a lubricant, a modifier, an antioxidant, a cross-linking agent and a coupling agent, wherein the bio-based material is polylactic acid; the accelerant is modified starch; the plastic modified material is calcium carbonate; the modifying agent comprises pe wax and / or ebs; the lubricant comprises zinc stearate and POE (Polyolefin Elastomer); the antioxidant is a composition of lignin and phosphite ester; the cross-linking agent is triallyl isocyanate, and / or epoxidized soybean oil; the coupling agent is a silane coupling agent or an aluminic acid coupling agent, can provide the strength of the degradable filling master batch, is not prone to deformation during stretching, has an anti-oxidation effect, is more reinforced and durable, and can achieve the purpose of rapid degradation after waste treatment.

The invention discloses application of cordyceps javanica Bd01 and a dispersible oil suspending agent thereof to prevention and control of spodoptera frugiperda, and relates to the technical field of biology. The research finds that the cordyceps javanica Bd01 has a strong infection lethal effect on larvae of spodoptera frugiperda at all ages, the pupation rate and eclosion rate of the larvae can be remarkably reduced, and the breeding cycle of pests can be effectively blocked. The invention further develops a dispersible oil suspending agent, and the suspending rate is effectively improved through formula optimization. The dosage form takes soybean oil as a dispersion medium, does not contain harmful solvents such as methylbenzene, is free of dust pollution and is friendly to operators and the environment, and ascorbic acid is added to improve the ultraviolet resistance of spores and prolong the effective period of the pesticide effect. In addition, the preparation also has a certain control effect on caffeinidae, is wide in application scene, provides a new scheme for green control of spodoptera frugiperda, solves the problems of chemical pesticide resistance and residue, and accords with the development requirements of green agriculture.

The invention belongs to the technical field of seasoning processing, and particularly discloses salad dressing capable of improving the stability of natural pigments and a preparation method of the salad dressing. The salad dressing capable of improving the stability of the natural pigment comprises the following raw materials: high fructose corn syrup, yolk liquid, white granulated sugar, potassium sorbate, lemon concentrated juice, table vinegar, water, glycerol, the natural pigment, titanium dioxide, sucrose fatty acid ester, edible salt, xanthan gum, soybean oil, acetylated distarch adipate, sodium ascorbate, mustard powder and a rosemary extract. The HLB (Hydrophile Lipophile Balance) value of the sucrose fatty acid ester is The synergistic effect of all the components is remarkable, multiple defense lines of oxidation resistance, system stability, corrosion prevention and the like are constructed, and the probability of natural pigment fading in the salad dressing storage process is reduced.

The invention relates to the technical field of bio-based degradable high polymer materials, in particular to a bio-based degradable pearl wool microcellular foaming material. The composite material is prepared from the following components in parts by mass: 70-85 parts of a bio-based polyester resin composite system of polylactic acid and poly (terephthalic acid)-butylene adipate (in a mass ratio of 60: 40-75: 25), 10-20 parts of bagasse microfibers modified by a silane coupling agent, 1.5-4 parts of a composite nucleating agent of flaky talcum powder and spherical nano calcium carbonate (in a mass ratio of 1.5: 1-2.5: 1), the bio-based plasticizer is prepared by compounding epoxidized soybean oil and tributyl citrate, the montmorillonite degradation accelerant is loaded with iron and cobalt ions (the molar ratio is 3: 1-5: 1), and the mixed foaming agent is prepared from 5-12 parts of supercritical carbon dioxide and nitrogen (the volume ratio is 60%-85%). A bio-based polyester composite system of polylactic acid and PBAT is adopted, silane modified bagasse microfibers are matched, montmorillonite loaded with iron and cobalt ions serves as a degradation accelerant, a bio-based plasticizer and the like are combined, and the composite material is prepared through a twin-screw extrusion melt blending and supercritical fluid foaming technology.

The invention discloses application of GmABHD6 protein in controlling soybean oil content or soybean protein content, and belongs to the technical field of soybean quality. The invention aims to improve the quality of soybeans and increase the oil content and protein content of the soybeans. The invention discloses application of GmABHD6 protein in controlling soybean oil content or soybean protein content or increasing soybean yield. The amino acid sequence of the GmABHD6 protein is shown as SEQ ID NO.2. The invention further discloses application of the GmABHD6 protein in controlling soybean oil content or soybean protein content or increasing soybean yield. GmABHD6 negatively regulates and controls the oil content of soybean seeds, and a theoretical basis is provided for cultivation of high-quality soybeans.

The invention relates to the technical field of hotpot condiment stir-frying, in particular to a caviar hotpot condiment preparation method and equipment thereof.The caviar hotpot condiment preparation method comprises a pot body, a condiment stirring mechanism, a heater, a refrigerator and a quality detection assembly, and the quality detection assembly comprises a supporting plate, a telescopic sampling pipe, a dilution bin and a full-automatic Lovibond colorimeter; a telescopic sampling pipe extends into the pot body, mixed grease of a base material is pumped into a dilution bin, then soybean oil is added into the dilution bin for ten-time dilution, the diluted mixed grease is pumped into a full-automatic Lovibond colorimeter for color detection, and if the color value of Lovibond is within the range of 7.0-8.5, it is indicated that the color is qualified; therefore, manual sampling is not needed, the hotpot condiment can be automatically diluted, the detection efficiency is remarkably improved, color and luster detection is performed through the full-automatic Lovibond colorimeter, the accuracy can be remarkably improved compared with visual inspection, and the color and luster quality of the hotpot condiment is guaranteed.

The application belongs to the technical field of biology, and discloses a molecular marker related to soybean crude oil content on chromosome 20 and application thereof. The application uses QTL positioning analysis combined with KASP marker development to analyze soybean crude oil content, obtains a KASP marker Gm_Chr20_43605309 which is stably and reliably linked to crude oil content and is located at position 43605309 on chromosome 20 of soybean, and designs a primer group corresponding to the KASP molecular marker Gm_Chr20_43605309. The application further provides a method for rapidly identifying the crude oil content of soybean by using the primer group of the KASP, which is simple and fast, accurate in identification result, and has a good application prospect.

The invention discloses an embedding method for stabilizing and slowly releasing beta-carotene. The embedding method comprises the following steps: selecting soybean oil; the stirring conditions are as follows: 300 r / min and 75 DEG C; preparing a water phase: stirring 80 kg of maltodextrin and 20 kg of cane sugar at 50 DEG C until 200 kg of distilled water is completely dissolved; the homogenizing conditions are as follows: the high-speed mixing and shearing emulsifying machine shears for 5 minutes at the speed of 17000 r / min, and the high-pressure homogenizing machine homogenizes for 2 minutes at the pressure of 20 MPa; the spray drying conditions are as follows: the pressure is 0.5 MPa, the inlet temperature is 170 DEG C, and the flow rate is 10 mL / min. The particle size D of the optimized beta-carotene microcapsule product is 95lt; according to the present invention, the prepared nano-particles have characteristics of uniform particle size, 300 nm, embedding rate of 94.2%, good stability in the 90-day storage period, and significantly improved solubility.

The invention discloses weather-resistant and medium-resistant alkyd resin varnish and a preparation method thereof. The varnish is prepared from the following raw materials: modified alkyd resin, a composite drier, zirconium iso-octoate with the purity of 12%, an anti-skinning agent, 200 # solvent oil and xylene. The modified alkyd resin is prepared from the following raw materials: soya oil acid, pentaerythritol, benzoic acid, pyrrolidine-2-one-1-acetic acid, dimethylbenzene and a 200 # solvent. According to the invention, pyrrolidine-2-ketone-1-acetic acid is used as a binary acid component to partially or completely replace traditional phthalic anhydride, so that the reaction efficiency of alkyd resin synthesis can be improved, and the problems of yellowing, pulverization and poor water resistance of traditional alkyd resin can be solved; according to the varnish prepared by the invention, on the basis of maintaining the inherent gloss, flexibility and constructability of alkyd resin, the key properties such as weather resistance, water resistance and acid resistance are improved; the whole preparation process of the varnish continues to use mature alkyd resin production equipment and flow, and has good economical efficiency and industrial popularization prospects.

The invention relates to a flame-retardant and heat-conducting EPDM (Ethylene-Propylene-Diene Monomer) foaming sealing gasket and a preparation method thereof and belongs to the technical field of rubber materials. The sealing gasket takes ethylene propylene diene monomer as a matrix, and the core is that 8-25 parts of expandable graphene grafted and modified by an epoxy silane coupling agent is added as a functional filler, and 10-30 parts of epoxidized soybean oil is matched as a bio-based active plasticizer. In a peroxide cross-linking system, the three components form an integrated cross-linking network through chemical reaction, so that the sealing gasket has good heat conductivity, flame retardance and stability. The preparation method is controllable in process and suitable for industrial production. The sealing gasket is suitable for new energy automobile battery packs, energy storage equipment and other occasions with comprehensive requirements for sealing, heat dissipation and fire prevention.

The utility model discloses a soybean oil production is with oil -water separation device, including the separation tank, the top of separation tank is connected with the filter tank that communicates, quick -detach mechanism includes the sliding slot of setting up in the filter tank inner wall both ends, the inside of two sliding slots all slidingly is established the sliding block, and one side of two sliding blocks is fixed with same fixed frame, and the inner wall of fixed frame is installed with filter screen board, and the side of filter tank is established with the chute that fixed frame passes, and one side of fixed frame is fixed with the sealing plate, and both ends of sealing plate all are fixed with the plug -in block, and both ends of filter tank all are fixed with the casing, and two casings are staggered respectively with two plug -in blocks correspond, and two plug -in blocks are respectively matched with the inner wall of casing, and the top and bottom one side of plug -in block are established with the through -hole that communicates. The utility model has realized the effect that the filter screen board is installed and disassembled fast, has reduced the time of shutdown, has improved the work efficiency of oil -water separation, has helped to keep the equipment in the best working condition.

The invention discloses a spicy beef paste and a preparation method thereof, and belongs to the technical field of food processing, the beef paste comprises the following raw materials: soybean oil, diced beef or beef stuffing, high-alcohol-content white spirit, sweet soybean paste, spicy crushed dry chili powder, pepper paste, cooked white sesame, soft white sugar, fistular onion stalk and the like. The preparation method comprises the steps of high-temperature fragrance excitation, dehydration and fishy smell removal, medium-temperature material frying, low-temperature long-time boiling, post-seasoning and the like, and by accurately controlling the oil temperatures (180-200 DEG C, 80-90 DEG C and 50-60 DEG C) of different stages and the material adding sequence, the technical problems that traditional beef paste is dry and astringent in beef, not thick in sauce flavor, spicy but not fragrant and short in shelf life are effectively solved. The prepared beef paste is mellow in meat quality, spicy, fresh and fragrant, strong in layering sense and relatively good in storage stability.

The application discloses a kind of bio-based LED light-cured top-dipping pencil paint and its preparation method and application, including the following mass fraction of composition: epoxy acrylate: 27%~40%, epoxy soybean oil acrylate: 12%~15%, di-functional polyurethane acrylate: 8%~30%, dipropylene glycol diacrylate: 10%~20%, fumed silica: 0.2%~0.5%, inorganic filler: 10%~20%, photoinitiator: 5%~10%, auxiliary agent: 0.5%~1%. The pencil paint of the application meets the requirements of relevant laws and regulations for pencil paint export, the bio-based carbon content is greater than or equal to 15%, uses LED lamp to cure, is energy-saving and environment-friendly, the paint film has high flexibility, can be used for eyebrow pencil, and there is no risk of subsidence.

The invention relates to the technical field of polyvinyl butyral modified materials, and discloses a modified PVB (polyvinyl butyral) material based on nano-silica and a preparation method thereof, the modified PVB material is prepared from the following raw materials by weight: 100 parts of polyvinyl butyral resin; 25 to 45 parts of triethylene glycol di-2-ethylhexoate; 0.5 to 5.0 parts of nano silicon dioxide; 0.05 to 0.50 part of a titanate coupling agent; 0.02 to 0.15 part of magnesium stearate; and 1.0 to 5.0 parts of epoxidized soybean oil. The method comprises the following steps: dispersing silicon dioxide by a plasticizer, dehydrating, adding a coupling agent for in-situ grafting, and compounding a stabilizer to prepare mother liquor; infiltrating the mother liquor into the resin to obtain a swelling material; and performing temperature-controlled extrusion. The modified PVB material based on nano silicon dioxide prepared by the invention solves the problems of particle agglomeration and yellowing, and has high transparency, high strength and excellent heat aging resistance.

The application belongs to the technical field of biology, and discloses a molecular marker related to soybean crude oil content on chromosome 9 and application. The application measures the crude oil content of soybean grains, and through QTL positioning analysis, a stable and reliable molecular marker Gm_Chr09_5332672 closely linked to the crude oil content is obtained, the molecular marker is located at the 5332672th position on the 9th chromosome of the soybean reference genome Glycine max Wm82.a4.v1, a marker for KASP detection is developed based on the position, and a primer set for amplifying the KASP marker is designed. The application further provides a method for rapidly identifying the crude oil content of soybean by using the primer set of the molecular marker, the method is simple and fast, the identification result is accurate, and has a good popularization and application prospect.