15results about How to "Good processing characteristics" patented technology

The invention discloses a method for simultaneously extracting starch and protein and application thereof. The invention belongs to the technical field of corn deep processing. The invention aims to solve the technical problems that the existing method is low in production efficiency and the obtained corn starch and corn protein are poor in processing characteristic and digestion characteristic. The method comprises the following steps: (1) performing vacuum low-temperature alkalization cooking on corn kernels in a calcium hydroxide solution; (2) performing ultrasonic-high static pressure cooperative treatment after cooking, and then soaking; (3) performing coarse grinding on the soaked corn kernels, then performing fine grinding, and performing enzymolysis with compound protease; and (4) finely grinding, filtering, standing, centrifuging, washing with water, precipitating, respectively collecting a lower-layer white part and an upper-layer yellow part, and freeze-drying to respectively obtain the corn starch and the corn protein. The method improves the processing characteristics of starch and the digestion characteristics of protein, and can be applied to development and production of high-quality corn starch or corn protein-based food.

The invention discloses modified chickpea starch and a preparation method and application thereof, and belongs to the technical field of food processing.The modified chickpea starch is obtained by adding oat beta glucan into chickpea starch, then conducting pretreatment on the chickpea starch, conducting extrusion treatment on the chickpea starch through a double-screw extruder, and cooling, drying and smashing an extruded sample; wherein the addition amount of the oat beta glucan is 3 to 15 percent; the temperature of the extrusion treatment is 80-120 DEG C. The chickpea starch is subjected to compound modification by adopting a twin-screw extrusion technology in cooperation with oat beta glucan, and a starch semi-crystalline layer is deeply destroyed to realize deep regulation and control of a multi-scale structure; meanwhile, the oat beta glucan and the starch form a hydrogen bond network, so that the problem of excessive modification of chemical modification is avoided, and the thermal stability, the shear resistance and the aging resistance of the starch are remarkably improved; no chemical reagent participates in the whole process, no chemical residue risk exists, and the method has the advantages of continuous production, large treatment capacity, low energy consumption and the like.

The invention discloses sipunculus nudus myofibrillar protein composite nutrition powder and a preparation method thereof. The preparation method comprises the following steps: selecting fresh sipunculus nudus, and treating to obtain sipunculus nudus body wall homogenate; the sipunculus nudus body wall homogenate is prepared into myofibrillar protein freeze-dried powder; resuspending the myofibrillar protein freeze-dried powder in distilled water, adding procyanidine into the resuspended myofibrillar protein freeze-dried powder, and performing multi-mode ultrasonic treatment on the resuspended myofibrillar protein freeze-dried powder; performing freeze drying on the sipunculus nudus myofibrillar protein-procyanidine mixed solution subjected to the multi-mode ultrasonic treatment; the sipunculus nudus myofibrillar protein-procyanidine compound, soybean protein isolate powder, whey protein powder, trachinotus ovatus skin collagen peptide, fruit and vegetable powder, probiotics, compound vitamin powder and linoleic acid are uniformly mixed, dried, crushed and sieved by a sieve of 80-120 meshes, and the obtained powder is metered and packaged into a finished product. The sipunculus nudus myofibrillar protein composite nutrition powder is good in water solubility, high in antioxidant activity and easy to digest.

The invention discloses a transgenic corn component analysis system based on big data analysis, and relates to the technical field of big data analysis, the transgenic corn component analysis system comprises a management center, the management center is connected with a crop acquisition module, an element processing module, an intelligent inspection module and a component analysis module; carrying out substance pretreatment on the transgenic comprehensive sample to obtain a substance extraction sample, and setting element criteria to carry out fragment detection on the substance extraction sample to obtain sample feeding amount information; stage classification is carried out on the sample food and nutrient amount information, stage sample food and nutrient amount information is obtained, and a part coefficient fluctuation graph is constructed; setting a moving judgment axis to carry out sliding judgment on the part coefficient fluctuation diagram to obtain a content relation result, and carrying out signal-diagram conversion and correlation screening on the food and nutrient quantity information of the sample to obtain abnormal relation components; a large amount of data is quickly processed and analyzed, the component analysis time is greatly shortened, and the accuracy and reliability of a component analysis result are improved.

The invention discloses a self-crosslinking high-performance flame-retardant cable, which is composed of an insulating core and a flame-retardant protective sleeve. The flame-retardant protective sleeve comprises, by weight, 45-55 parts of linear low-density polyethylene, 15-25 parts of ethylene-octene elastomer, 1.8-2.2 parts of a self-watering silane coupling agent, 10-16 parts of a flame retardant, 4-8 parts of a reactive flame retardant, 0.18-0.22 parts of an initiator, 0.5-0.8 parts of an antioxidant, and 1.6-2.2 parts of a catalyst. When the self-watering silane coupling agent is crosslinked with polyethylene, an amide structure in the structure is closed at high temperature to generate an imide structure and a molecule of water, so as to supply water for internal crosslinking of the polyethylene. The reactive flame retardant can be grafted onto the polyethylene main chain during the crosslinking process, is not easy to migrate, and has a long-term stable flame retardant effect.

The invention discloses a component analysis system of genetically modified corn based on big data analysis, relates to the technical field of big data analysis, comprises a management center, wherein the management center is connected with a crop collection module, an element processing module, an intelligent inspection module and a component analysis module; material preprocessing is performed on a genetically modified comprehensive sample to obtain a material extraction sample, element criteria are set to perform fragment detection on the material extraction sample to obtain sample nutrient content information; stage classification is performed on the sample nutrient content information to obtain stage sample nutrient content information, and a position coefficient fluctuation diagram is constructed; a moving judgment axis is set to perform sliding judgment on the position coefficient fluctuation diagram to obtain a content relationship result, signal-to-graph conversion and association screening are performed on the sample nutrient content information to obtain abnormal relationship components; a large amount of data is quickly processed and analyzed, the component analysis time is greatly shortened, and the accuracy and reliability of the component analysis result are improved.

The invention relates to a stripping agent for waste asphalt mixture regeneration as well as a preparation method and application thereof, and relates to the technical field of waste asphalt recycling, and the stripping agent for waste asphalt mixture regeneration comprises the following components in parts by weight: 100 parts of triisopropyl phenylboronic acid, 25-40 parts of ethylene glycol and 20-50 parts of fatty acid. The molecular structure of the stripping agent provided by the invention has two functional groups, namely a hydrophilic group and a lipophilic group, on one hand, the lipophilic group is easy to be subjected to addition reaction or condensation polymerization with carbonyl and carboxyl in an old asphalt film to realize stripping of old asphalt and old aggregate, and on the other hand, the lipophilic group and the old asphalt have similar polarity, and according to a similar compatibility principle, the stripping agent can be used for stripping the old asphalt from the old aggregate. The separation of the old asphalt and the old aggregate is easy to occur under the induction action of the stripping agent, and the stripped old asphalt is easy to have a chemical structure similar to that of the new asphalt and is easy to be well mixed and dissolved with the new asphalt, so that the separation of the old asphalt film and the old aggregate in the regeneration of the waste asphalt mixture is realized.

The application discloses a polyester chemical regeneration method based on multi-parameter crystal form regulation, and belongs to the technical field of high polymer material purification.The polyester chemical regeneration method based on multi-parameter crystal form regulation comprises the following steps: after pretreatment of a depolymerization solution of polyethylene terephthalate, a good solvent is added to obtain a crystallization system; the crystallization system is put into a first-stage crystallizer, the crystallization system is heated to a first-stage initial temperature, the crystallization system is cooled to a first-stage crystallization temperature at a first-stage cooling rate and is kept warm, slurry is obtained, first solid-liquid separation is carried out, and a solution rich in polyethylene terephthalate monomers is obtained; the solution is put into a second-stage crystallizer, initial heating, second-stage monomer nucleation and second-stage monomer growth are sequentially carried out while stirring, and after the completion, second solid-liquid separation, washing and drying are carried out, and polyethylene terephthalate monomers are obtained.The application realizes directional induction and stable generation of alpha crystal form through crystallization process design and multi-parameter regulation.

The invention discloses a lead sheath computer cable, and relates to the technical field of cables, the lead sheath computer cable comprises a middle wire core, the middle wire core is formed by twisting a plurality of wires, and each wire comprises a conductor, an insulating layer and a first shielding layer; the outer ring of the middle wire core is provided with a flame-retardant layer, the gap between the middle wire core and the flame-retardant layer is filled with branch wire cores, the outer ring of the flame-retardant layer is fixedly provided with a second shielding layer, and the outer ring of the second shielding layer is fixedly provided with a lead sheath; a non-metal protective sleeve is fixedly arranged on the outer ring of the lead sheath, a plurality of metal pipes are fixedly installed in the non-metal protective sleeve, and the metal pipes make contact with the lead sheath, the mechanical performance of the cable is improved through the arrangement of the lead sheath, and alloy made of some metal according to a certain proportion is adopted to replace pure lead so as to reduce the usage amount of lead; meanwhile, good mechanical strength and pressure resistance are kept; the problems that in the prior art, a ceramic silicone rubber cable is poor in anti-pressure capacity and prone to being damaged under high-strength pressure are solved.

The invention belongs to the technical field of tea making, and particularly relates to cold extraction tea and a making method thereof. The making method of the cold-extracted tea comprises the following steps: S1, mixing tea leaves with RO water at 0-4 DEG C to obtain a tea water mixture; s2, grinding the obtained tea water mixture to obtain tea soup; and S3, carrying out high-pressure jet treatment on the obtained tea soup, standing for a certain time, and filtering to obtain a tea extract. According to the tea making process, on the basis of ensuring the extraction rate of small molecular substances such as theanine in the tea leaves, the release rate of caffeine can be inhibited to a certain extent, premature oxidation of tea soup is prevented, the turbidity of the tea soup is reduced, the problem of secondary precipitation of products is prevented, and the taste of the tea soup is kept.

The invention belongs to the technical field of water purification materials, and particularly relates to a gelatin coated TiO2-polypyrrole composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: adding the polysorbate-80 into the paraffin oil, and stirring at 30-60 DEG C for 20-50 minutes to obtain an oil phase; heating water to 40-60 DEG C, then adding gelatin and the TiO2-polypyrrole composite precursor material, and stirring for 20-50 minutes to obtain a water phase; adding the water phase into the oil phase, and stirring for 30-60 minutes to obtain a mixed solution; and cooling the obtained mixed solution to 2-10 DEG C, then adding ethanol, stirring for 15-40 minutes, then sequentially washing with acetone and isopropanol, and freeze-drying the obtained solid matter, thereby obtaining the product. The polypyrrole and the gelatin contain functional groups such as amino groups, carboxyl groups and the like, and can form a complex with lead ions, so that the adsorption activity of the nano TiO2 material can be effectively improved, and the lead removal performance of the material is improved. The composite material disclosed by the invention shows very good removal rate and adsorption efficiency on lead ions in water.

The invention belongs to the field of polymer materials, and particularly relates to polyimide and a synthesis method and application thereof. A first diamine monomer containing an X1 element (any one of sulfur, selenium and tellurium elements), a second diamine monomer containing an X2 element (any one of carbon, oxygen and sulfur elements) and a dianhydride monomer containing a fluorine group or trifluoromethyl group are subjected to condensation polymerization, so that a macromolecular chain of polyimide is designed, the flexibility of the macromolecular chain is improved, and the flexibility of the polyimide is improved; meanwhile, the charge transfer effect generated in molecular chains and between the molecular chains is reduced, the polyimide material is endowed with the characteristic of solution processing, the optical quality of a film prepared based on the polyimide material is improved, and the polyimide film with high refractive index and high light transmittance can be prepared and is suitable for being used as a high-performance optical material.

The invention discloses a high-toughness temperature-resistant foaming material for FDM (fused deposition modeling) printing, which is prepared from the following components in percentage by mass: 5 to 35 percent of first-class resin, 3 to 10 percent of second-class resin, 0.5 to 2 percent of a foaming agent and the balance of a lubricating agent. The first-class resin is PBAT (poly (butylene adipate-co-terephthalate)) resin, and the second-class resin is amorphous resin compatible with the PBAT resin. Through the mode, the requirements on processing characteristics can be met, the material is kept stable and cannot be excited in the processing process, the foaming ratio of the material can be automatically adjusted according to needs, the material can be converted between a soft foaming material and a hard foaming material by adjusting a formula, and the PLA-based material can be replaced in part of fields.

The present invention relates to the field of new polyurethane materials. Specifically, the present invention relates to a composition for forming polyurethane, its use and products made therefrom. The composition for forming polyurethane of the present invention comprises: A. an isocyanate reactive component, which comprises, a) a difunctional polyol; b) a multifunctional polyol; and c) a crosslinking agent, and B. an isocyanate prepolymer component, which is prepared from at least one non-aromatic polyisocyanate and at least one compound containing two or more hydroxyl groups, and C. a catalyst. The products obtained from the composition have significantly improved mechanical properties and yellowing resistance.

The invention provides a pig head meat structure recombination method based on compound enzyme treatment, and the method comprises the following steps: dissolving transglutaminase, laccase, soybean protein isolate and epigallocatechin gallate in a pickling solution, mixing with pig head meat, and rolling in a vacuum rolling machine. And pressing into a mold for molding and carrying out gradient temperature cooking. According to the invention, a meat product processing technology is combined, the combined use of transglutaminase and laccase is utilized to promote the texture recombination and bonding process of minced pig head meat in the compression molding and product cooking process to a greater extent, and through the addition of soybean protein isolate and epigallocatechin gallate and the processes of vacuum rolling and temperature programming, the quality of the minced pig head meat is improved. The catalytic effects of transglutaminase and laccase are enhanced. And finally, the structural characteristics (texture characteristics, meat color and microstructure) of the product and the generation amount of flavor substances are improved, and the final product has better overall acceptability. The method is simple and easy to implement and has a wide application prospect.