28results about How to "Change physical properties" patented technology

The invention discloses thixotropic pure inorganic gel with adjustable physical properties as well as a preparation method and application of the thixotropic pure inorganic gel. The pure inorganic gel comprises loosely assembled nanorod assemblies and a solution for dispersing the loosely assembled nanorod assemblies, the nanorod assembly comprises an inorganic one-dimensional nanorod and anions capable of participating in the assembly of the inorganic one-dimensional nanorod; the inorganic one-dimensional nanorod at least contains rare earth metal elements. Compared with inorganic gel materials with other morphologies, the inorganic thixotropic gel disclosed by the invention can generate physical structure change through self-assembly of the inorganic one-dimensional nanorods, and has a relatively good physical property adjustment basis. And secondly, the inorganic one-dimensional nanorod can form an assembly through ions without additionally adding a surface modification reagent, the change of physical properties can be realized without replacing ligands, and the inorganic one-dimensional nanorod has extremely high advantages in various applications.

The invention relates to the field of centrifugal circulating pump production, in particular to a centrifugal circulating pump with a pressure adjusting function, which comprises a motor, a pump body, an output end flange, a corrugated pipe, a pipe body flange, a pipeline, a self-adaptive sealing assembly and a temperature compensation assembly, and is characterized in that the motor is mounted on one side of a base through a motor seat. Under the action of the self-adaptive sealing assembly, frequent and large-amplitude pressure adjustment can be better adapted, the centrifugal circulating pump can still keep good sealing performance under the complex working condition, under the action of the magnetic device, by controlling current, very accurate acting force can be applied to the sealing gasket, and the sealing performance of the centrifugal circulating pump is improved. The pressure sensor is arranged on the sealing gasket, so that the sealing gasket can more accurately adapt to pressure changes of different degrees, and as the electromagnetic action is almost instantly generated, when the pressure sensor detects the pressure changes, the magnetic device can more quickly enhance the acting force on the sealing gasket, and leakage is prevented in time.

The invention relates to the field of irrigation equipment, in particular to a magnetized water plant growth irrigation system. The system comprises a reservoir, a water pump, a frequency converter, a filter, a straight-through pipe, an electromagnetic power supply device, a diverter valve, a branch pipe, a water pressure bottle, an irrigation unit and an electromagnetic unit. The water pump is communicated with the water storage tank through a pipeline, the frequency converter is installed on the water pump, the filter is communicated with the water pump, one end of the straight-through pipe is communicated with the filter, the electromagnetic power supply device is connected to the straight-through pipe in a sleeving mode, the flow dividing valve is installed at the tail end of the straight-through pipe, and the water storage tank is installed on the water storage tank. One end of the branch pipe is communicated with the branch pipe, the water pressure bottle is longitudinally installed on a pipe body of the branch pipe, and the irrigation unit is installed at the tail end of the branch pipe.

The invention discloses a method for preparing high-purity estra-1, 3, 5 (10)-triene-3, 15 alpha, 16 alpha, 17 beta-tetrol (abbreviated as estratrol), which is characterized in that 3-hydroxy-17 beta-hydroxyestra-1, 3, 5 (10), 15-tetraene is used as a raw material, and the estratrol is prepared by three steps of phenolic hydroxyl group protection, asymmetric dihydroxylation and hydrolysis. According to the preparation method, 3-hydroxy-17beta-hydroxyestra-1, 3, 5 (10), 15-tetraene is taken as a raw material, 3-hydroxyl is protected by alkoxy-substituted benzoyl, asymmetric dihydroxyl reaction is carried out through catalytic oxidation of potassium osmate, double alpha-hydroxyl is introduced to 15, 16-positions, chemical reagents and catalysts with high cost are not needed in the preparation method, and the preparation method is simple and easy to implement. The dihydroxylation has the advantages of high stereoselectivity, easiness in purification and separation, mild reaction conditions and simplicity and convenience in operation, and high-efficiency preparation of high-purity estetrol (more than or equal to 99.5%) can be realized.

The invention relates to the technical field of traditional Chinese medicinal material processing, and discloses traditional Chinese medicinal material crushing processing equipment which comprises a cooling mechanism, the cooling mechanism comprises a supporting frame, supporting legs are fixedly connected to the outer wall of the bottom of the supporting frame, a crushing box is fixedly connected to the inner wall of the supporting frame, and a box door is rotationally connected to the outer wall of the crushing box through a hinge; the outer wall of the bottom of the smashing box is fixedly connected with a discharging port, in the smashing process of traditional Chinese medicinal materials, liquid nitrogen is conveyed into an annular pipe through a liquid inlet pipe, then the liquid nitrogen is evenly sprayed on the traditional Chinese medicinal materials through a spraying head fixed to the outer wall of a first fixing block, the environment temperature in the smashing box can be effectively reduced through the operation, and the smashing efficiency is improved. A low-temperature crushing condition is created for the traditional Chinese medicinal materials, so that temperature rise caused by heat generated in the crushing process is prevented, volatilization and loss of effective components such as volatile oil and heat-sensitive components in the traditional Chinese medicinal materials are powerfully avoided, and the medicinal value and efficacy of the traditional Chinese medicinal materials are reserved to the maximum extent.

The invention relates to the technical field of cosmetics, and discloses modified titanium dioxide as well as a preparation method and application thereof. The invention relates to modified titanium dioxide, which is titanium dioxide synergistically modified by a coupling agent and a bioactive component. According to the modified titanium dioxide provided by the invention, the coupling agent and the bioactive component are used for carrying out surface modification on the titanium dioxide, the original physical characteristics of the titanium dioxide are not changed, and the defects of serious agglomeration and poor dispersity of the titanium dioxide are overcome; the ultraviolet resistance of the modified titanium dioxide is enhanced, and the modified titanium dioxide has a certain free radical scavenging effect; the preparation method of the modified titanium dioxide is simple in step, mild in process condition and suitable for industrial application; a sunscreen product taking modified titanium dioxide as a preparation raw material has a good sunscreen effect; when the modified titanium dioxide and the sunscreen product are applied to sunscreen, not only can the damage of ultraviolet rays to the skin be reduced, but also the harm caused by free radicals can be reduced.

The invention discloses a doped nickel oxide-based material, a preparation method and application thereof, and a synthetic method of the doped nickel oxide-based material, and the synthetic method comprises the following steps: adding a nickel salt and an iron salt into an ethanol and oleylamine solution, fully stirring, transferring the solution into a reaction kettle for heating reaction, then carrying out centrifugal analysis and washing, and then calcining to obtain the doped nickel oxide-based material. And heating the obtained powder and thiourea in a tubular furnace to finally obtain the doped nickel oxide-based material. The synthesis method is mild in reaction condition and easy to operate, the electron and structural properties of nickel oxide are changed through doped metal iron and non-metal sulfur atoms, the conductivity of the system is improved, then the doped nickel oxide-based material can efficiently electrolyze water under the alkaline condition, and the method can be applied to an anode material of alkaline electrolyzed water.

The invention discloses xylooligosaccharide fruit juice popping capsules and a preparation method thereof. The xylooligosaccharide fruit juice popping bead comprises a compound colloid coating and a fruit juice core material, the coating comprises sodium alginate, carrageenan and guar gum, the fruit juice core material comprises green extract juice, white granulated sugar or high fructose corn syrup, a thickening agent, calcium lactate, purified water and xylooligosaccharide, and the coating and the core material are prepared by scientifically proportioning the raw materials, so that the raw materials synergistically play a role. And adopting a reverse spheroidizing technology to obtain the fruit juice popping bead. According to the xylooligosaccharide fruit juice popping bead provided by the invention, the popping bead contained in the popping bead is bright and glossy in color, round and full in ball shape, high in transparency, moderate in sour and sweet taste, appropriate in coat thickness, obvious in pulp popping feeling, rich in natural fruit juice and functional oligosaccharide, higher in nutritional value and beneficial in effect, and when the popping bead is matched with a fruit tea beverage for eating, the taste is unique; the tea is nutritional, healthy and suitable for people of all ages.

The utility model discloses a high-temperature efficient filling pipeline, which relates to the technical field of sealant filling and comprises a main pipeline and an outer-layer pipeline fixedly connected to the outer side of one end of the main pipeline for conveying materials through bolts. A plurality of discharge ports are fixedly connected with the main pipelines, and the plurality of main pipelines are arranged in a straight line; the spiral flow guide plate can guide the seam beautifying agent to advance in a spiral track, the spiral track can increase the flowing speed of the seam beautifying agent, so that the seam beautifying agent can rapidly flow into the filling nozzle, the filling work efficiency is improved, the spiral flow guide plate can also enable the seam beautifying agent to continuously roll during moving, the mobility of the seam beautifying agent is improved, and the filling efficiency of the seam beautifying agent is improved. The joint beautifying agent is prevented from being adhered to the inner wall of the main pipeline due to stagnation; the rhombic flow guide plate also plays a role in improving the flowability of the seam beautifying agent, and the seam beautifying agent passes through the channels from small to large when passing through the rhombic flow guide plate, so that the seam beautifying agent passes through the rhombic flow guide plate in a spraying state, and the flowing speed of the seam beautifying agent is increased.

This invention provides a device and method for simulating sediment resuspension under hydrodynamic action, relating to the field of sediment simulation. Addressing the problem that current wave-generating simulations of dynamic disturbances easily lead to the breakage of suspended particles, this invention simulates the action of water flow in a natural river by installing baffles within the water tank cavity to form multiple flow channels. The segmented circulation of water flow simulates the sediment resuspension process. When the grid blades agitate the water, the grid structure divides the water flow into multiple smaller streams, thus dispersing the force of the water flow. The originally concentrated impact force is dispersed to various parts of the grid, and when it is transmitted to the suspended particles, the magnitude and concentration of the force are significantly reduced, preventing the particles from breaking due to excessive external force.

The invention provides an andalusite silicon carbide brick for a submerged arc furnace and a preparation method of the andalusite silicon carbide brick, and belongs to the technical field of refractory materials. The main material comprises the following components in percentage by mass: 70-75% of andalusite with the particle size of less than 5mm, 8-12% of silicon carbide with the particle size of less than 1mm, 5-10% of white corundum and / or tabular corundum with the particle size of less than 0.074 mm, 3-5% of modified alpha-Al2O3 micro powder and 5-8% of Guangxi white mud fine powder with the particle size of less than 0.074 mm; the auxiliary material comprises the following components: binding agent dextrin, zirconium-doped titanium oxide and water, the mass of the binding agent dextrin accounts for 0.5-0.8% of the mass of the main material, the mass of the zirconium-doped titanium oxide accounts for 1-2% of the mass of the main material, and the mass of the water accounts for 3-3.5% of the mass of the main material. The method ensures that the prepared product is excellent in mechanical property and erosion resistance, good in thermal shock stability and high in refractoriness under load, and can effectively prolong the service life of the submerged arc furnace when being used for the lining of the submerged arc furnace.

The invention relates to a deep purification smelting method for high-purity steel, and relates to the technical field of high-purity steel smelting. The steel comprises the following chemical components in percentage by weight: 0.17%-0.18% of C, 0.65%-0.7% of Mn, 0.006%-0.01% of S, 0.006%-0.01% of P, 0.18%-0.23% of Si, 1.6%-1.65% of Cr, 1.5%-1.55% of Ni, 0.28%-0.29% of Mo, 0.1%-0.15% of Cu, 0.02%-0.025% of Al, 1.0 ppm-1.2 ppm of H, 10 ppm-15 ppm of O and 60 ppm-70 ppm of N. The method comprises the following operation steps: smelting crude molten steel in an electric arc furnace, performing vacuum refining, performing double-vacuum degassing, and performing gas protection die casting. The ferrocenyl intercalated talcum powder is prepared from talcum powder, gamma-mercaptopropyltrimethoxysilane, water, sodium p-styrenesulfonate, N-ferrocenyl-maleimide and sodium hydroxide, and the ferrocenyl intercalated talcum powder is prepared from the talcum powder, gamma-mercaptopropyltrimethoxysilane, water, sodium p-styrenesulfonate, N-ferrocenyl-maleimide and sodium hydroxide.

The invention belongs to the technical field of guide groove manufacturing, and discloses a logistics sorting trolley driven roller guide groove manufacturing technology which comprises the following steps that a, a steel pipe is provided to serve as a base material of a guide groove; b, one or more channels are formed in the outer surface of the steel pipe; c, when the channel is formed, the material of the steel pipe is subjected to plastic deformation in the channel area; and d, the degree and the position of plastic deformation are adjusted, so that the required guide groove shape is achieved. According to the invention, the channel is directly formed on the steel pipe, the plastic deformation is carried out, and the heat treatment or cooling process is applied, so that the manufacturing method and equipment of the guide groove are improved; according to the improved method and device, aluminum pipe machining and connecting steps in a traditional technology are avoided, the manufacturing efficiency is multiplied, the manufacturing cost is reduced, the strength, stability and durability of the guide groove are improved, and the performance of the guide groove can be improved.

The invention discloses a processing method for improving the residual amount of R-angle aluminum foil after deep punching of aluminum-plastic film, comprising the following steps: 1) preparing aluminum foil under the condition that the ingot temperature is 440-525°C, rolling, and ensuring that the outlet temperature reaches 500-560°C; 2) compounding nylon film and aluminum foil to obtain aluminum-plastic film. The invention limits the ingot temperature and outlet temperature of the aluminum foil. When the aluminum foil is rolled under this condition, the grain size of the aluminum foil is controlled. When the outlet temperature increases, the speed of aluminum foil recrystallization increases at the same extrusion speed, and the aluminum foil grain size of the aluminum foil becomes larger. The higher the grain size level of the aluminum foil, the finer the grain size of the aluminum foil surface. When the aluminum-plastic film undergoes plastic deformation during deep punching, the tensile force is dispersed into more grains, and the grain boundary prevents the expansion of cracks, thereby improving the mechanical properties of the aluminum foil and strengthening the tensile resistance, thereby increasing the residual amount of R-angle aluminum foil when the aluminum-plastic film is used.

The invention discloses a silk-screen printing in-mold decoration method. The method comprises the following steps that firstly, a thin film is pretreated; 2, carrying out corona treatment on the pretreated film; 3, designing a plurality of layers of patterns, and manufacturing a corresponding screen printing plate; pouring printing ink into a screen printing plate according to the color requirement of the first layer, uniformly imprinting the printing ink to the surface of a film by using a scraper, and drying; according to the number of layers needing to be printed, the printing step of the first layer is repeated; wherein in the silk-screen printing process of a certain layer or several layers, corona treatment is carried out at the same time; and 4, cutting, forming, punching, inspecting, in-mold injection molding, film covering and inspecting are conducted on the printed film, and the decorative product is obtained. According to the in-mold decoration method disclosed by the invention, the ink can be more easily spread on the surface of a thin film, so that the adhesiveness of the ink is remarkably improved; meanwhile, the interaction force and the chemical bonding force between the ink and plastic film molecules are enhanced, and the firmness and the durability of printed patterns are ensured.

The invention discloses plastic film processing hot melting equipment, and relates to the technical field of film processing, the plastic film processing hot melting equipment comprises a machine table, a mounting plate is fixedly connected to the right side of the upper surface of the machine table, and a hot melting mechanism is fixedly mounted in the middle of the upper part of the mounting plate and comprises a hot melting box, and the hot melting box is fixedly connected to the middle of the upper surface of the mounting plate; a feeding port is formed in the right end of the upper side of the hot melting box in a penetrating mode, a feeding assembly is arranged at the position, above the hot melting box, of the feeding port, a connecting flange is fixedly connected to the left side of the hot melting box, and an extrusion die head is fixedly connected to the left side of the connecting flange through bolts; a plurality of heating rods are fixedly connected to the inner side of the heating cover. A winding assembly is fixedly installed on the leftmost side of the upper surface of the machine table. The device has the advantages that the extension assembly, the slitting assembly and the deviation rectifying assembly are arranged to process the thin film, so that the processed thin film product has higher quality and consistency, the production efficiency is improved, and the operation time is prolonged.

The invention discloses a manufacturing method of a tear-resistant and temperature-resistant CPP film for electronic screen protection, and relates to the technical field of CPP films for electronic screen protection, and the manufacturing method comprises the following steps: step 1, preparing raw materials, step 2, carrying out melt extrusion, step 3, stretching and shaping, step 4, carrying out surface coating, and step 5, cooling and coiling. The preparation raw materials comprise the following preparation materials in parts by weight: 50-60 parts of a polypropylene copolymer, 15-30 parts of a homopolymer, 18-28 parts of an antioxidant, 3-14 parts of an anti-ultraviolet agent, 3-7 parts of a temperature-resistant agent, 10-18 parts of an electrostatic agent, 2-8 parts of an anti-fogging agent, 6-12 parts of an anti-blocking agent and 4-9 parts of a slipping agent, the preparation materials are put into a melting machine and heated to 300-600 DEG C to be melted, the melted preparation materials are extruded through an extruder, and the polypropylene composite material is obtained. The method comprises the following steps of: coating a film with the width of 20-80cm and the thickness of 0.2-0.9 mm, coating the outer wall of the film with a surface coating which is polyurethane or polyvinyl chloride, and improving the tear resistance and temperature resistance of the film by using the surface coating.

The utility model discloses an electric thin-layer chromatography sample applicator, which relates to the technical field of analytical instruments and comprises a heating sample applicator, the upper surface of the heating sample applicator is fixedly connected with a supporting seat, the inner side wall of the supporting seat is fixedly connected with an auxiliary rod, the outer side wall of the supporting seat is fixedly connected with a motor, and the inner wall of the supporting seat is rotatably connected with a threaded rod. An output shaft of the motor penetrates through one end of the supporting seat to be fixedly connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with a sample application arm, and the sample application arm is connected with a first electric push rod which is connected with a sample application nozzle. According to the utility model, a plurality of parallel strips can be formed by repeated sample application, an average value of detection results corresponding to the strips can be taken subsequently to reduce errors and improve the detection accuracy, and the heating temperature of the heater to the thin-layer plate can be adjusted through the controller, so that the performance of components of the same sample at different temperatures can be analyzed.

The present invention belongs to the field of genetic engineering technology, and specifically relates to a pectin methylesterase gene PagPME2 and an in vitro expression purification method and application thereof. The present invention clones the pectin methylesterase gene PagPME2 from 84K poplar for the first time, and uses molecular biology and biochemical techniques to prove that the PagPME2 gene does have the catalytic properties of pectin methylesterase, and is a new gene with pectin methylesterase function. The pectin methylesterase gene PagPME2 provided by the present invention encodes a pectin methylesterase enzyme activity of up to 24.69U, which can catalyze the demethylation reaction of galacturonic acid, the main component of pectin, and reduce the degree of methylation of pectin polysaccharides, thereby changing the physical and chemical properties of pectin molecules, and providing application value for subsequent in-depth exploration of the physicochemical properties of pectin methylesterase and its important role in food, medicine, textiles, biomass conversion, plant growth and development, and other fields.

The invention provides a water-rich sand layer connection channel excavation construction method, which belongs to the technical field of underground channel construction, and specifically comprises the following steps: S1, determining the position of a connection channel; s2, drilling and grouting are carried out on the determined position, and the connection channel construction area is reinforced; s3, determining the position of a horizontal vacuum precipitation hole in one of the tunnels at the two ends of the connection channel; s4, vacuum precipitation equipment is arranged at the positions of the vacuum precipitation holes; s5, underground water on the periphery of the connection channel is drained through vacuum dewatering equipment, so that excavation safety is guaranteed; s6, after precipitation is completed, excavation of the contact channel is started, and the distance is set; step S7, repeating the steps S2-S6 until excavation is completed; the technical problem that direct precipitation on the ground is inconvenient due to an existing construction mode is solved.

The utility model discloses a kind of automobile accessory endurance test device, including workbench, the upper end of the workbench is rotatably connected with driving rod, the upper end of the driving rod is coaxially fixedly connected with brake disc, the upper end of the workbench is installed with brake pad, the brake pad is matched with brake disc, the lower end of the workbench is fixedly connected with motor. The utility model structure is reasonable, by setting special heat dissipation mechanism, using the power of motor, by the transmission of synchronous pulley, synchronous belt, vertical rod, bevel gear (first bevel gear, second bevel gear) and cross bar, drive fan blade rotation to produce airflow, brake disc and brake pad in testing process are cooled, effectively avoid the high temperature change brake disc and brake pad's physical property due to friction, ensure the accuracy of test result, improve the reliability of test data, can truly reflect the endurance condition of brake disc and brake pad in actual use.

The invention relates to a garment fabric anti-wrinkle treatment device and method, and relates to the technical field of garment fabric preparation, the device comprises a conveying rack and a box body fixed above the conveying rack, and a plasma treatment assembly, a spraying assembly and a light irradiation etching assembly are sequentially arranged along the conveying path of the conveying rack; wherein the plasma treatment assembly is used for treating the surface of the fabric, the plasma treatment assembly comprises two rows of plasma treatment units which are distributed at equal intervals, the front row of plasma treatment units and the rear row of plasma treatment units are distributed in a staggered mode, and the spraying assembly is used for spraying anti-wrinkling liquid containing photosensitizer so that an anti-wrinkling layer can be formed on the surface of the fabric. According to the anti-wrinkle treatment device, the fabric is pretreated through plasma, the activity and wettability of the surface of the fabric are improved, the softness and anti-wrinkle performance of the fabric can be enhanced through spraying of anti-wrinkle liquid, the fabric is irradiated through light to form a microscopic three-dimensional structure in an etching mode, the physical property of the surface of the fabric is changed, and the anti-wrinkle performance of the fabric is further improved.

The invention relates to the technical field of steel polishing, in particular to a bridge steel derusting and polishing device which comprises an outer frame and I-shaped steel and further comprises two sets of rotary clamping mechanisms symmetrically arranged; the working end of the adjusting mechanism is fixedly provided with a plasma generator, the output end of the plasma generator is communicated with a thin guide pipe, the outer side of the thin guide pipe is sleeved with a spirally-arranged electrified coil, and the density of the electrified coil is gradually increased from right to left; the supporting rod is fixedly installed on the plasma generator, and a laser transmitter is fixedly installed at the front end of the supporting rod; and the working end of the visual sensor faces one side of the I-shaped steel. The surface of the I-shaped steel can be polished in all directions, the polishing effect is better, the part with thick rust can be further polished in a reinforced mode, and stubborn rust on the surface of the I-shaped steel can be removed advantageously.

The invention discloses a super-cold-resistant and low-temperature-resistant rubber cable material and a preparation method thereof. The cable material comprises the following raw materials in parts by weight: 20-35 parts of a first rubber base material, 8-15 parts of a second rubber base material, 2-4 parts of an accelerant, 0.3-0.5 part of a stabilizer, 1.5-3 parts of a first plasticizer, 3-5 parts of a second plasticizer, 2-4 parts of a third plasticizer, 0.3-0.5 part of a cold-resistant toughening agent, 0.3-1.0 part of an anti-aging agent, 0.8-2 parts of a vulcanizing agent, 2-4 parts of a flame retardant, 25-42 parts of a filler and 3-8 parts of a reinforcing agent. According to the invention, reasonable raw materials are screened, formula components are optimized, and the cold-resistant flexibilizer and the flame retardant are added, so that the toughness of the rubber is increased, good mechanical properties are maintained, the problem of low-temperature brittleness of the rubber is effectively solved, and meanwhile, the rubber has flame retardant property, does not spread combustion when encountering flame, ensures continuous power supply when a cable is in a fire disaster, and improves the service life of the cable. The low-temperature catalytic performance of the rubber is improved, the processing technology is simple, and the market application prospect is wide.

The utility model relates to the technical field of strip steel rolling, in particular to a cold-rolled strip steel surface cleaning system. Comprising a strip steel heating device, a pre-cleaning device, a first drying device, a degreasing cleaning device and a second drying device which are sequentially arranged in the running direction of strip steel, and the strip steel heating device is arranged at the discharging end of the continuous mill and provided with a heating cavity used for heating the strip steel. The strip steel heating device is arranged to heat the strip steel, physical properties of oil sludge attached to the surface of the strip steel are changed, viscosity is reduced, activity is improved, the oil sludge on the surface of the strip steel is in an easy-to-clean state, energy media such as water, electricity and a cleaning agent in the cleaning process can be effectively saved, and the service life of the strip steel is prolonged. The strip steel surface is cleaned twice to remove strip steel surface residues, the efficiency of removing the strip steel surface residues is high, the cleaning effect is good, the strip steel surface smoothness can be remarkably improved, and the strip steel surface residues are reduced.

The invention relates to the field of high polymer materials, and provides a modified polyurethane carrier for immobilized enzyme, which is prepared from the following raw materials in parts by weight: 60 to 100 parts of polyether polyol, 5 to 15 parts of isocyanate, 10 to 30 parts of activated carbon, 5 to 20 parts of diatomite, 2 to 6 parts of catalyst, 5 to 10 parts of inorganic salt, 1 to 10 parts of high-molecular polymer and 1 to 10 parts of biological active agent. The invention also provides a preparation method and application of the carrier. The carrier disclosed by the invention has the characteristics of large specific surface area, strong hydrophilicity and biological affinity, good impact resistance, high mechanical strength and the like, has relatively high bio-enzyme loading capacity, protects the catalytic activity of bio-enzyme, and is relatively simple to prepare and low in cost.

The invention relates to the technical field of food processing, in particular to a fermentation process of microbial strains. Comprising the following steps: pretreating a brown rice fermentation substrate; expanding culture of strains and fermentation of the psyllium seed husk powder; and performing efficient fermentation and post-treatment on the brown rice. The brown rice and the citric acid powder are mixed for plasma treatment, part of water in the brown rice is evaporated in the plasma treatment process, the water is combined with citric acid to generate a weak acid environment, cellulose on the surface of the brown rice can be softened, and the surface structure of the brown rice is etched and damaged in combination with plasma, so that the surface structure of the brown rice is improved. The method can effectively reduce the crystallinity of cellulose, enables the surface structure of brown rice to be looser, can absorb and adsorb more amino acids in the subsequent soaking process of an amino acid solution, also can improve the rate and effect of subsequent microbial fermentation, improves the water absorption rate of the finished product of fermented brown rice, and improves the quality of the fermented brown rice. And the hardness of the surface cortex of the finished fermented brown rice is reduced, so that the cooking quality of the fermented brown rice is improved.

Provided are a method for evaluating a kneading state in which a change in physical properties of a kneading material can be grasped in an internal mixer including tangential rotors, a kneader, and a kneading adjustment method capable of obtaining desired kneading characteristics. The method for evaluating a kneading state is an evaluation method in an internal mixer 1 including a pair of tangential rotors connected by a pair of gears and rotated at different speeds by driving of an electric motor, in which the gears have the numbers of teeth of different integers that are not prime to each other, and spectrum analysis is performed on the basis of a kneading parameter detected at the time of kneading by sensors 10 and 11 included in the internal mixer 1 to evaluate a change in a predetermined frequency component.