353results about How to "Avoid absorption" patented technology

The invention provides a tripeptide for promoting bone growth, the tripeptide is VPF, the amino acid sequence of the tripeptide is Val-Pro-Phe, the molecular weight of the tripeptide is 361.44 Da, and the tripeptide belongs to the technical field of functional bioactive peptides. The tripeptide can be prepared from egg yolk protein through enzymolysis separation and purification, can also be obtained through chemical solid-phase synthesis, has a good effect of promoting bone growth, can remarkably improve the growth and proliferation level of osteoblasts in a body, promotes synthesis and secretion of bone matrixes, and has a good application prospect. Meanwhile, the secretion of insulin-like growth factors (IGF-1), transforming growth factors (TGF-beta1) and I-type procollagen amino-terminal peptide (PINP) in the body is efficiently promoted, and good market prospects are achieved.

The invention relates to a weight-losing enzyme and a preparation method thereof, and belongs to the technical field of biology, and the weight-losing enzyme comprises a fruit enzyme, a vegetable enzyme, a seed enzyme and a lotus leaf extract; the fruit enzyme is obtained by performing enzymolysis on mixed fruit pulp of apples, lemons, grapefruits and haws through pectinase, performing enzymolysis through pepsase and performing co-fermentation through bifidobacterium longum and lactobacillus acidophilus; the vegetable enzyme is obtained by performing enzymolysis on mixed vegetable pulp of wax gourd pulp, celery and spinach through pectinase, performing enzymolysis through pepsin and performing fermentation through lactobacillus plantarum and bifidobacterium adolescentis; the seed enzyme is obtained by carrying out trypsin enzymolysis on mixed powder of semen raphani and phaseolus calcaratus, then carrying out nattokinase enzymolysis and then fermenting with bifidobacterium breve; the lotus leaf extract is obtained by sequentially carrying out enzymolysis on lotus leaves through hemicellulase, snail protease and nattokinase. All the components are matched for use, so that the weight-losing food has the effects of promoting digestion, inhibiting fat absorption, regulating intestinal flora, promoting metabolism and the like, and has a good weight-losing effect.

The remediation method for the moderately and severely cadmium-polluted rice field aims at strictly controlled cadmium-polluted rice fields, and is divided into two stages of strict control and safe utilization for remediation. In the strict management and control stage, an activating agent is applied to the soil in spring, then microalgae are inoculated, cadmium-enriched plants are planted, the plants are collected after being full of the microalgae, the plants are harvested when the plants grow to the enrichment extreme value, stubbles are reserved for growth, and the steps are repeated till winter; applying an activating agent in winter, planting green manure, and harvesting in spring in the next year; the process is cyclically carried out until the cadmium content of the soil is reduced to a safe utilization level. Entering a safe utilization stage, applying an activating agent in spring, inoculating nitrogen-fixing cyanobacteria, collecting the cyanobacteria after the cyanobacteria overgrow, and repeating the steps until the rice seedlings are transplanted; applying nitrogen-fixing blue-green algae, and planting rice; applying an activating agent after rice harvesting, planting winter green manure, and harvesting in next spring; the process is cyclically carried out until the cadmium content of the soil is reduced to a preferential protection level. The method is low in cost, high in remediation efficiency and good in effect, and a new way is provided for cadmium-polluted rice field remediation.

The invention relates to the field of concrete processing, and particularly discloses a preparation method of concrete crack self-repairing particles. Comprising the following steps: S1, activating bacillus pasteurii to obtain a bacterial suspension; s2, placing the adsorption particle modified fiber in a bacterial suspension for adsorption treatment to obtain a load material; and S3, uniformly spraying alkyd resin liquid on the surface of the load material, drying and dispersing to obtain a finished product. When new micro-crack damage is generated in the use process of the concrete, the microorganisms play a self-repairing role to fill cracks in the concrete, so that the strength of the concrete is maintained, the service life of the concrete is prolonged, and the durability of the concrete is improved.

The invention relates to a SiOC modified boron carbide-aluminum oxide composite material and a preparation method thereof. The SiOC modified boron carbide-aluminum oxide composite material comprises a porous structure boron carbide-aluminum oxide material and a SiOC layer coating and modifying the porous structure of the boron carbide-aluminum oxide material and the surfaces of boron carbide and aluminum oxide particles, the porosity of the boron carbide-aluminum oxide material with the porous structure is 20 to 40 percent.

The embodiment of the invention relates to the technical field of electronic atomization, and discloses a temperature control method and an aerosol generation device.According to the temperature control method, the corresponding coil voltage is determined from the Curie temperature of a receptor material according to the Curie temperature of the receptor material, and therefore the mapping relation between the temperature of the receptor and the coil voltage is determined. Finally, when the aerosol generating device is used for baking the aerosol forming product, the coil voltage of the induction coil is controlled by controlling the time when the power supply provides energy for the induction heater assembly, so that the temperature of the induction heater assembly is controlled to be the optimal temperature; the aerosol generated after baking can rapidly reach a smokable state and maintain the smokable state. Besides, by determining the mapping relation between the temperature of the susceptor and the voltage of the coil, dependence on a chip is eliminated, the problem that heat absorption of the aerosol forming matrix is insufficient or excessive due to the fault problem of the chip is avoided, and the hardware cost can be effectively reduced.

The invention discloses an environment-friendly cooling anti-radiation refrigeration coating and a preparation method thereof, and belongs to the technical field of coating preparation. The raw materials are prepared from core materials, auxiliary materials and ingredients. The core material is prepared from a main raw material, hollow glass beads and environment-friendly resin, the auxiliary material is prepared from a nano additive and mineral pigment, and the ingredients are prepared from ferroferric oxide, nano titanium dioxide, diopside and polyvinylidene fluoride. The main raw materials comprise carbon quantum dots, carbon nanofibers, carbon nanospheres and graphene quantum dots; the environment-friendly resin base material is prepared from waterborne polyurethane resin, rosin resin, shellac resin and polytetrafluoroethylene; the nano additive is composed of silicon carbide, carbon black, carbon fibers, magnesium borate and carbon nanotubes. According to the coating, solar energy can be converted into light energy, the sunlight reflectivity of the coating is improved through the unique optical property of the coating, the sunlight reflectivity of the coating can be correspondingly improved along with increase of the sunlight intensity, and therefore the situation that a building absorbs excessive heat is avoided.

The cold compress device comprises a circulating cold compress main machine and a cold compress bag connected with the circulating cold compress main machine, the circulating cold compress main machine and the cold compress bag are connected through a cooling water conveying pipe and a circulating water conveying pipe, and the upper side and the lower side of the center of the outer wall of the front end of the cold compress bag are each provided with a hook-and-loop fastener bandage. A novel water absorption protection device is additionally arranged at the rear end of the cold compress bag, when the cold compress bag is bound to a wound of a patient through a hook-and-loop fastener binding band, the water absorption protection device is located between the skin of the wound and the cold compress bag, in the cold compress process of the traumatic orthopedics department, the traditional cold compress device often makes the patient feel uncomfortable due to accumulation of condensate water, and the cold compress bag is inconvenient to use. The water absorption protection device can absorb condensate water generated on the skin and around the skin in time, the cold compress part is kept dry and comfortable, the comfort degree of a patient in the cold compress process is greatly improved, the patient does not need to bear the wet feeling brought by the condensate water, and therefore the water absorption protection device can better cooperate with treatment.

The invention relates to the technical field of fabricated buildings, in particular to a function-recoverable fabricated beam structure beam column stress node which comprises a first circular steel pipe column, second circular steel pipe columns are fixedly connected to the top and the bottom of the first circular steel pipe column, and cover plates are fixedly connected to the opposite sides of the two second circular steel pipe columns. The surface of the first round steel pipe column is rotationally connected with four web plates which are annularly distributed at equal intervals. The joint has the advantages of improving ductility and rotation capacity and enhancing connection strength, firstly, the gap is formed between the first round steel pipe column and the web, the ductility of the joint is improved, the structure can absorb and disperse energy more effectively when stressed, the rotation capacity of the joint is further enhanced, and the joint is not prone to deformation; the damage risk of the structure under the action of dynamic loads such as earthquakes is reduced by avoiding direct extrusion and collision between the first round steel pipe column and the web, and therefore the durability and safety of the whole structure are improved.

The invention relates to a fruit and vegetable juice beverage, and belongs to the technical field of beverages, the fruit and vegetable juice beverage comprises the following raw materials: fruit and vegetable juice enzymolysis fermentation broth, camellia oil, tartary buckwheat polypeptide, a sweetening agent, a stabilizer and distilled water; raw materials of the fruit and vegetable juice enzymolysis fermentation liquor comprise vegetable raw materials, fruit raw materials, enzyme bacteria raw materials and deionized water. The enzyme and bacterium raw materials comprise cellulase, lactobacillus plantarum liquid, helicase, basidiomycetes liquid and neurospora crassa liquid. The raw materials of the fruit and vegetable juice enzymolysis fermentation liquor are subjected to bacterium-enzyme synergistic modification treatment, so that the content of soluble dietary fibers in the fruit and vegetable juice enzymolysis fermentation liquor is remarkably increased, and the fruit and vegetable juice beverage can effectively have the effects of promoting gastrointestinal motility and reducing cholesterol by taking the fruit and vegetable juice enzymolysis fermentation liquor as the raw materials to participate in preparation of the fruit and vegetable juice beverage; in addition, the fruit and vegetable juice enzymolysis fermentation liquor, the camellia oil and the tartary buckwheat polypeptide are combined to achieve a synergistic effect, so that the prepared fruit and vegetable juice beverage has an extremely good cholesterol lowering effect.

The utility model discloses a TOPCon solar cell structure, which relates to the field of solar cells and sequentially comprises a first silver electrode, a first antireflection film layer, a boron doping layer, a silicon substrate, a tunneling layer and a polycrystalline silicon doping layer in a single direction, and further comprises a second antireflection film layer, a diffusion barrier layer and a second silver electrode. One grid line of the diffusion barrier layer is arranged between two adjacent grid lines of the second antireflection film layer, and the grid line of the second silver electrode is located on the grid line of the diffusion barrier layer; a titanium nitride layer TiN or a titanium oxynitride layer TiON is deposited between the polycrystalline silicon layer and the metal electrode to serve as a diffusion barrier layer, and the second silver electrode is of a grid line structure instead of full coverage; according to the structure, the characteristics of high conductivity and electron selective transmission of titanium nitride or titanium oxynitride are utilized, so that electrons have low resistance during transmission, and electron collection is facilitated. And by adopting a grid line structure, the absorption of titanium nitride or titanium oxynitride on long-wave-band light is effectively avoided, and the double-sided topcon battery is very suitable for the existing double-sided topcon battery.

The present invention relates to the technical field of forestry equipment, and specifically to a uniform fertilization device for garden tree maintenance, comprising a fertilization frame, wherein a fertilization component is provided at the top left end of the fertilization frame; the fertilization component comprises a guide plate fixedly installed inside the fertilization frame, wherein a telescopic square groove is provided through the top of the guide plate downward, and a telescopic square bar is slidably installed inside the telescopic square groove. A plurality of fertilizer injection rods of the fertilizer distribution component are inserted into the soil around the tree trunk by a driving component, and a fertilizer supply pump is started to transport the fertilizer inside the fertilizer box through a fertilizer pipe and a fertilizer supply pipe to the inside of the fertilizer distribution tank, and then the fertilizer is input into the inside of the plurality of fertilizer injection rods through a plurality of fertilizer distribution holes, and output from the plurality of fertilizer injection holes to the soil around the tree trunk, thereby completing the fertilizer application. Compared with the existing device, applying the fertilizer to the soil around the tree trunk can avoid the volatilization of the fertilizer, which is helpful for better absorption by the tree.

The embodiment of the invention relates to the technical field of electronic atomization, and discloses a control method and an aerosol generating device.The control method comprises the steps that after a heating starting instruction is received, a power source is controlled to provide corresponding energy for an induction coil in multiple time periods according to the mapping relation between the time periods and energy parameters, and the corresponding energy is supplied to the induction coil; wherein the energy provided by the time period consists of a plurality of high-frequency driving pulses, and the duration of the time period is greater than or equal to 500ms. Compared with a conventional mode which depends on the real-time temperature and the temperature curve of the heater for control, on one hand, starting from the energy demand characteristics in the aerosol-forming substrate baking process, the set energy in each time period adapts to the baking process characteristics, and energy supply is controlled in different time periods; the aerosol with good taste can be generated, and the taste and the smoking experience can be improved. And on the other hand, the dependence on a temperature detection device can be eliminated, the problem of insufficient or excessive heat absorption of the aerosol forming substrate caused by inaccurate temperature detection is avoided, and the hardware cost can be effectively reduced.

The invention relates to a preparation method of a thermosensitive decoloration temperature-adjustable super-hydrophobic textile. According to the method, a microcapsule emulsion A with a thermosensitive decoloration and phase-change material as a core material and a polymer as a shell layer and a waterproof agent emulsion B are obtained through free radical copolymerization or polycondensation, the thermosensitive decoloration and phase-change microcapsule emulsion and the waterproof agent emulsion are applied to after-finishing of textiles, a simple padding process is adopted, and the temperature-sensitive decoloration and phase-change microcapsule emulsion and the waterproof agent emulsion are obtained. And meanwhile, a layer of polymer film is formed on the surface of the fiber by utilizing the waterproof agent in the emulsion B, so that the fabric is endowed with multiple functions of thermosensitive decoloration, temperature adjustment, super-hydrophobicity and the like. According to the invention, the polymerization process is simplified, and the chromatic aberration problem caused by polydopamine is eliminated; by adding the recessive dye and the color developing agent, the thermosensitive decoloration function is increased, the color of the fabric becomes light along with temperature rise, light reflection is increased, and the temperature adjustable performance is further enhanced by adding the phase change material.

A digestive tract sampling capsule includes a capsule shell and a sampling chamber disposed in the capsule shell, wherein the capsule shell is provided with a sampling port, and the sampling chamber is provided with an injection port, wherein the injection port and the sampling port can be selectively aligned or misaligned, and further includes a driving component disposed in the capsule shell, wherein the injection port is blocked by a dissolving material, and the driving component drives the injection port or the sampling port to transform between two states relative to the sampling chamber, wherein in a first state, the sampling port is misaligned with the injection port; in a second state, the sampling port is aligned with the injection port, and the dissolving material contacts the sample and dissolves under the action of the sample to open the injection port for sampling. The digestive tract sampling capsule of the present invention adopts a mode combining active and passive trigger sampling, which can achieve accurate sampling and improve the success rate of sampling.

The utility model relates to the technical field of heat exchange equipment, and discloses an anti-frosting condensation type heat exchanger. The anti-frosting condensation type heat exchanger comprises a base, an air inlet pipe, an air outlet pipe, a protective shell, a water outlet pipe, a water inlet pipe and a partition plate, the protective shell is arranged on the base, the top of the protective shell is connected and communicated with the air inlet pipe, and the bottom of the protective shell is connected and communicated with the air outlet pipe. The top of the protection shell is connected and communicated with a water outlet pipe, the bottom of the protection shell is connected and communicated with a water inlet pipe, a partition plate is fixedly connected to the interior of the protection shell, the first fixing frame is fixedly connected to the base, and the protection shell is arranged on the first fixing frame. By starting the heating module, the heating module generates heat, and the heat is transmitted to the protective shell through the heat conduction pipe, so that the situation that the heat is absorbed by frosting on the surface of the protective shell at low temperature, and the heat exchange efficiency is reduced is avoided.

The invention discloses a fireproof flame-retardant spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the fireproof flame-retardant spinning yarn is prepared, benzyl benzoate is used as a core material, chitosan is used as a wall material, and pentenedialdehyde is used as a cross-linking agent to prepare an anti-mite microcapsule; carrying out condensation polymerization on ethylene glycol, a hydroxyl-terminated siloxane oligomer, the functionalized DOPO and dimethyl terephthalate to prepare functionalized polyester; the functional polyester and the anti-mite microcapsules are prepared into a spinning solution, and the polyester fiber is prepared through electrostatic spinning; reacting cotton fibers with maleic anhydride and o-phenylenediamine in sequence to obtain modified cotton fibers; polyester fibers and modified cotton fibers are blended in a spinning machine to prepare blended yarns, and the blended yarns are post-treated with chloroplatinic acid to prepare the fireproof flame-retardant spun yarns. The fireproof flame-retardant spinning yarn prepared by the invention has excellent anti-mite, flame-retardant and mechanical properties.

The invention discloses a raspberry homogeneous polysaccharide. The monosaccharide components of the raspberry homogeneous polysaccharide comprise fucose, rhamnose, arabinose, galactose, xylose, galacturonic acid, glucuronic acid and apiose. The main chain structure of the raspberry homogeneous polysaccharide is 1, 4-linked galacturonic acid pyranose, and the weight-average molecular weight of the raspberry homogeneous polysaccharide is 8.54 + / -5.0 kDa. The invention discloses a raspberry homogeneous polysaccharide component for inhibiting dietary oil absorption and preventing and improving obesity, which is prepared by the steps of water extraction and alcohol precipitation, ion exchange chromatographic column elution and permeation gel chromatographic column elution. The structure of the compound is analyzed by high performance gel permeation chromatography, infrared spectroscopy, ion chromatography, gas chromatography-mass spectrometry and nuclear magnetic resonance spectroscopy. The homogeneous polysaccharide component can be used for improving obesity and fat tissue accumulation hypertrophy, and the efficacy of the homogeneous polysaccharide component is related to inhibition of absorption of dietary oil in the intestinal tract and promotion of discharge of the dietary oil into the body.

The invention relates to application of D-mannose in preparation of products for treating periodontitis. The products comprise medicines, daily necessities and foods. The D-mannose provided by the invention can effectively inhibit the alveolar bone resorption of rats induced by LPS, down-regulate the expression of IL-1beta, IL-6, IL-17, TNF-alpha, G-CSF, GM-CSF, MPO, Ly6G, CD11b, TET2, HK1, HK2 and PFPKB3 in rat gingival tissues treated by the LPS, and up-regulate the expression of IL-10. In addition, the D-mannose can also inhibit the activation of neutrophil stimulated by LPS, down-regulate the expression of IL-1beta, IL-6, IL-17 and TET2, and up-regulate the expression of IL-10.

The invention discloses a fluorescent probe for determining the sol crystallinity of hydrotalcite colloid based on pi-pi accumulation regulated fluorescence and a preparation method of the fluorescent probe. According to the invention, an imidazole-anchored naphthalene diamine (IANA) fluorophore with a planar naphthyl motif is used as a fluorescent probe. Wherein an imidazole group has relatively strong binding capacity to transition divalent metal ions, and ordered arrangement of IANA is enhanced after transition metal and imidazole are coordinated, so that face-to-face pi-pi accumulation of a planar naphthyl motif is facilitated, absorption of ultraviolet light is inhibited, and fluorescence quenching is further caused. However, the internal structure orderliness and spatial atom arrangement of materials with different crystallinity degrees are different, so that the arrangement orderliness of IANA is different, the quenching degree of a probe is influenced, and the crystallinity degree can be measured through the quenching degree. According to the method, the sol crystallinity of the hydrotalcite colloid is determined through pi-pi accumulation regulated fluorescence, and a new way is opened up for exploring an alternative scheme of X-ray diffraction.

The invention relates to a cigarette essence blasting bead and a preparation method thereof, and belongs to the technical field of essence blasting bead preparation. The prepared hollow mesoporous nano silicon dioxide has a very stable structure, heat resistance and pH value change resistance, the essential oil embedding advantage of the hollow mesoporous nano silicon dioxide is that the hollow cavity provides a storage space for the essential oil, and the hollow mesoporous nano silicon dioxide serving as an inorganic material has higher mechanical strength compared with a high-molecular polymer material, so that the hollow mesoporous nano silicon dioxide can be used for preparing essential oil. Essential oil effective component leakage caused by capsule breakage in the storage process can be prevented, and the retention property, durability and stability of the essential oil are improved; secondly, due to the fact that the pore diameter of mesopores is 2-20 nm, the microcapsule has excellent slow release performance on essence or essential oil, loading and releasing are difficult due to the fact that the pore diameter is too small, and due to the fact that the pore diameter is too large, the microcapsule is inevitably interfered by the external environment more easily, and the slow release performance and the stability of the microcapsule are too poor, and therefore the slow release performance and the stability of the microcapsule are too poor due to the introduction of the mesoporous nano-silica; the slow release performance of the capsule wall material is improved.

The invention provides a USP9X protein allosteric activator T7150 and application of the USP9X protein allosteric activator T7150. It is found for the first time that T7150 induces allosteric deubiquitination enzyme USP9X, enhances the activity of the deubiquitination enzyme USP9X, meanwhile, it is found that T7150 inhibits absorption of macrophages to ox-LDL and reduces formation of foam cells, it is indicated that T7150 can prevent formation of foam cells, and therefore T7150 can be used for inhibiting the progress of atherosclerotic plates. On the other hand, the invention also finds that the T7150 obviously reduces lipid deposition in atherosclerotic plaques and obviously reduces the lipid content in the plaques, which also shows that the T7150 can effectively inhibit the progress of atherosclerosis.

The invention relates to a defrosting method and device of an air conditioner, the air conditioner and a storage medium, and belongs to the technical field of air conditioner control. The method comprises the steps that it is recognized that the air conditioner needs to be defrosted, a compressor is controlled to enter a frequency-increasing heat storage process, and the frequency-increasing heat storage process comprises the steps that the compressor is controlled to be increased from the current operation frequency to the upper frequency limit, and the heat storage duration time threshold value is operated at the upper frequency limit; and when the accumulated heat storage operation duration of the air conditioner reaches the heat storage duration threshold value, the compressor is controlled to enter the defrosting process. Therefore, according to the scheme, the compressor is controlled to enter the frequency-increasing heat storage process before defrosting, and the situation that the air conditioner absorbs a large amount of heat from the indoor space during defrosting is avoided. And when the accumulated heat storage operation duration of the air conditioner reaches the heat storage duration threshold value, the compressor is controlled to enter the defrosting process, the defrosting reliability can be guaranteed, the defrosting capacity of the air conditioner is improved, and the thermal comfort in the defrosting period is further improved.

The invention discloses an absorption tower flue inlet flushing device, and relates to the technical field of absorption tower flue inlet flushing, the absorption tower flue inlet flushing device comprises a cleaning and scraping unit, and the cleaning and scraping unit comprises a movable gear ring, a clamping ring, a cleaning and scraping assembly and a connecting ring; the flushing unit comprises a connecting frame, a gear, a clamping ring, a clutch piece, a reciprocating rod, a protection piece and a flushing assembly. The device has the beneficial effects that the effect of cleaning and scraping scale on the inner wall of the flue is achieved firstly, and if the scale cannot be cleaned and scraped, the flushing assembly is started again to flush the pipe wall at the position and then scrape the scale. The flushing frequency and range of the flue are reduced, so that the rising speed of the liquid level of the absorption tower is reduced, and the situation that the liquid level of the absorption tower and the differential pressure of the demister cannot be controlled is avoided.

The embodiment of the invention relates to the technical field of electronic atomization, and discloses a puff number metering method and an aerosol generating device.According to the puff number metering method, starting from the relation between coil voltage and temperature during resonance, coil voltage at each moment is collected in real time; according to the method, the coil voltage of the induction heater assembly is detected, the real-time temperature of the induction heater assembly is determined according to the coil voltage, the number of smoking times of the aerosol generating device is measured according to the real-time temperature, energy is supplemented for the aerosol generating device according to the number of smoking times, and it is ensured that the amount of aerosol can be maintained to be adjusted in a smokable state. Therefore, the taste and the smoking experience are improved. Besides, the suction number of the aerosol generating device is determined through the coil voltage, dependence on a metering chip is eliminated, the problem that heat of an aerosol forming substrate is insufficiently absorbed or excessively absorbed due to the fault problem of the metering chip is solved, and the hardware cost can be effectively reduced.

The invention provides a substrate integrated trapped wave mirror image dielectric waveguide transmission structure and an array thereof, and belongs to the technical field of microwave engineering, the substrate integrated trapped wave mirror image dielectric waveguide transmission structure comprises a dielectric substrate, a metal ground plane and a metal plane which are attached to the lower surface of the dielectric substrate, and an air hole or an air groove which is formed in the direction of one side edge of the dielectric substrate, the dielectric substrate is provided with an air hole or an air groove, the air hole or the air groove divides the dielectric substrate into three parts which are dielectric blocks on the two sides and a dielectric strip in the middle, the metal plane is located on the upper surfaces of the dielectric blocks, and the metal plane and the metal ground plane are connected to form a common ground. Due to the integrated design, the dielectric waveguide transmission structure is simple and stable, low in loss and suitable for the manufacturing process of integrated planar circuit boards such as millimeter wave terahertz and the like for electromagnetic transmission of frequency bands such as millimeter wave terahertz and the like.

The invention discloses a method for preparing soybean milk with low antinutritional factors by using an ultrasonic technology, and belongs to the field of food processing. In order to solve the problems that the content of antinutritional factors in the existing soybean milk is relatively high and the absorption of human bodies is influenced, the invention provides the preparation method of the soybean milk with low antinutritional factors. The method mainly comprises the steps of soaking, grinding, ultrasonic treatment, high-pressure homogenization, heating and the like. Anti-nutritional factors are effectively removed from the soybean milk obtained through ultrasonic treatment, the content of a trypsin inhibitor is remarkably reduced, and the protein content and the in-vitro digestibility are both improved. The soybean milk subjected to ultrasonic treatment is rich in nutrition, easy to absorb by a human body and low in antinutritional factor content, and has a good application prospect in the field.

The invention discloses a welding process control method for a W-shaped structure of a light aviation radiator. The welding process control method comprises the following steps that a gas collecting hood, a connector pipe nozzle, a corrugated plate and a barrel are subjected to positioned welding; the inner cavity of the corrugated plate and the inner cavity of the gas collecting hood are sealed; high-purity argon is introduced from the position of a connector pipe nozzle, an argon detector is connected to the far end of the corrugated plate to detect the purity of argon in an inner cavity of the corrugated plate, a welding gun dragging cover is placed at a weld joint after the purity reaches the standard, then a transparent ceramic nozzle is installed on one end face of the welding gun dragging cover, and a gas blocking and heat absorbing tool is installed on the corrugated plate; in addition, argon is introduced to protect the welding seam area on the back face of the barrel; welding parameters are adjusted, welding of the welding seam of the W-shaped structure is carried out, and after welding is finished, welding is stopped for 15 seconds or above, and various protection tools can be disassembled. Through the control method, the material embrittlement problem in the welding process is solved, and the product stability is improved.

The invention belongs to the technical field of selenium-rich blueberry planting, and particularly relates to a selenium-rich blueberry cultivation method which comprises the following steps: S1, selecting a proper variety according to climate conditions of a planting field; s2, selecting a place with loose soil, rich organic matters and good drainage for planting; s3, the selected soil is subjected to impurity removal, and meanwhile protection facilities are built around the soil; s4, planting pre-selected high-quality nursery stocks in the planting furrows or holes between autumn without drought in winter and early spring germination; the invention innovatively proposes that in the early stage, the middle stage and the later stage of selenium-rich blueberry growth, the selenium absorption of blueberry leaves is realized by accurately spraying an inorganic selenium solution. And the cost is low. Meanwhile, the selenium content of the blueberries is rapidly increased. According to the method, the problems of enrichment nonuniformity and low absorptivity possibly caused by soil selenium application are solved. Therefore, the selenium content of the selenium-rich blueberries is greatly increased, and the overall quality and yield of the blueberries are remarkably improved.

The invention discloses a lithium-based ceramic material and a preparation method thereof.The method comprises the following steps that S1, a plurality of lithium-based ceramic green bodies are stacked in the thickness direction and placed in a first crucible with first lithium-based ceramic pre-sintered powder laid at the bottom, and second lithium-based ceramic pre-sintered powder is scattered among the multiple lithium-based ceramic green bodies; s2, a second crucible with an opening facing downwards is inversely buckled into the first crucible, and the multiple lithium-based ceramic green bodies are contained in the second crucible; s3, the first crucible containing the second crucible is sealed through a crucible cover and then sintered, the lithium-based ceramic green body is sintered, and the lithium-based ceramic material is obtained. According to the method, the lithium-based ceramic material with relatively high density can be obtained under normal pressure.