41results about How to "Increased porosity" patented technology

The invention discloses a processing method of intelligence-promoting water chestnut crisp chips. The processing method comprises the following steps: performing steam treatment, stewing and blanching, freezing and unfreezing on fresh water chestnut, then performing zinc enrichment treatment, and finally performing primary drying, microwave puffing treatment and secondary drying to obtain the intelligence-promoting water chestnut crisp chips. According to the processing method of the intelligence-promoting water chestnut crisp chips, disclosed by the invention, new components are provided for the water chestnut crisp chips, and original color, flavor and nutritional components also can be kept; and the prepared zinc-enriched water chestnut crisp chips are less in nutritional component loss, are sweet, fresh and delicious, are crisp in taste, are added with zinc elements so as to be used for supplementing micro elements required for a human body, and have the health effects of promoting the intelligence development of children, improving memories and preventing senile dementia.

The invention discloses a phase-change temperature-regulating fiber blended yarn and a preparation method thereof. The preparation method comprises the following steps of firstly, mixing paraffin hydrocarbon, graphite powder and methyl-2, 4-diisocyanate, and stirring at a high speed to obtain a phase-change temperature-regulating microcapsule; adding the prepared phase-change temperature-regulating microcapsule into nano-silver hydrogel to obtain modified nano-silver hydrogel; adding chitosan into sodium alginate hydrogel to obtain modified sodium alginate hydrogel; mixing the modified nano-silver hydrogel and the modified sodium alginate hydrogel into a spinning solution, and performing electrostatic spinning to obtain composite fibers; and spirally twisting the composite fibers, wool fibers and combed cotton to obtain the phase-change temperature-regulating fiber blended yarn. According to the phase-change temperature-adjusting fiber blended yarn and the preparation method thereof, the prepared phase-change temperature-adjusting fiber blended yarn has good temperature-adjusting and antibacterial properties, is more washable, keeps good water absorption and air permeability of fabric, and has high practicability.

The invention discloses a processing method of selenium and zinc enriched non-fried potato chips. The processing method comprises the following steps: (1) raw material treatment: treating potatoes in steam at 45-55 DEG C for 10-50 minutes, then stewing and blanching for 30-60 minutes in the steam at 80-90 DEG C, and cooling; (2) freezing and unfreezing: cutting the potatoes into slices with the thicknesses of 3-6mm, freezing at the temperature of less than -10 DEG C, and then unfreezing the potato slices in a selenium and zinc enriched solution; (3) selenium and zinc enrichment: performing vacuum pumping on unfrozen potato slices in vacuum equipment at the vacuum degree of 0.085-0.095MPa for 10-20 minutes; (4) pre-drying: performing low-temperature drying on selenium and zinc enriched potato slices until the terminal water content is 15-35%; (5) puffing treatment; (6) after-drying: drying puffed potato slices until the terminal water content is less than 5%; and (7) cooling and packaging. The selenium and zinc enriched non-fried potato chips prepared by using the processing method disclosed by the invention are less in nutritional component loss, good in color and crisp in taste, and are added with selenium and zinc elements so as to have significant health effects.

The invention discloses a production method of high-quality instant rice, belonging to the technical field of food processing. The method is based on the principle of strong absorption of alcohol water vapor to lipid and moisture (including combined water) in rice, permeation and dissolving promotion of a magnetic field, and cavatition and uniform drying effect of infrared rays with intermediate waves, and can be used for improving the rehydration and preservation performance of the instant rice. The production method mainly comprises the process steps of selecting normal rice as raw materials, immersing at 40-50 DEG C for 25-35 minutes, cooking for 25-30 minutes, adding an aqueous solution of ethanol for dispersion, filtering, braising the rice for 15-20 minutes, drying by alcohol water vapor under a magnetic field of 6000-6500 GS till the water content of the rice is 8%-10%, and drying with infrared rays with the wavelength of 2-4 microns till the water content of the rice is 4%-5%. The instant rice is good in mouthfeel and excellent in rehydration and preservation performance.

The high strength light ceramic filler is prepared with clay 60-78 wt%, black earth 8-15 wt%, calcium carbonate 8-15 wt%, talcum 3-10 wt% and rice bran powder for the rest. Chemically, it consists of silica 50-60 wt%, alumina 13-20 wt%, calcium oxide 3-8 wt% and magnesia 10-16 wt% except impurity. It has high compression strength, long service life, low impurity content, high whiteness and high porosity.

The invention discloses a planting method of selenium-enriched organic rice. The method comprises the steps of 1, field management, wherein a heavy metal adsorbing material with a thickness of 5-10 cm is laid after rice field soil is deeply plowed by 55-70 cm, then soil refilling is carried out, next, underground water is poured to soak the rice field for 20-30 days, again, the soil is exposed under the sun for 3-5 days after the water is drained, the heavy metal adsorbing material is taken out, and finally, an inorganic fertilizer with a thickness of 2-4 cm is buried at the 10-15 cm position of the soil; 2, transplanting management; 3, fertilization management, wherein firstly an active material is sprayed 1-3 hours before a selenium-rich leaf force fertilizer is sprayed, and the spraying quantity of the active material is 10-20 kg / mu. The selenium-rich organic rice planted through the planting method is fine and long in granule, crystal, transparent, soft and non-stick, the content of organic selenium is high, the incidence of diseases and insect pests is low, the content of heavy metal is low, and the selenium-rich organic rice has market competitiveness.

The invention discloses a heat-insulating and sound-absorbing honeycomb core material and a preparation method thereof. The preparation method is characterized in that the dosage weight ratio of an aromatic anhydride derivative solution to a catalyst to a surfactant to a foaming agent to an isocyanate which are dissolved in a polar solvent is controlled; the length, width and depth three-dimensional size of the heat-insulating and sound-absorbing honeycomb core material is controlled by the length, width and depth three-dimensional size ratio of the inner cavity of a mold; and the ratio of themass of a foaming slurry to the volume of the inner cavity of a closed system is controlled, so that the density of polyimide foam compounded with the heat-insulating and sound-absorbing honeycomb core material is 12-100kg / m < 3 >, and the opening degree is 50-60%, and the heat-insulating and sound-absorbing honeycomb core material is obtained. The heat-insulating and sound-absorbing honeycomb core material can achieve the heat-insulating and sound-absorbing performance without being filled with different functional particles, and can be directly applied without post-processing.

The invention provides a method for preparing a titanium oxide nanotube / carbon / manganese oxide composite material by employing an electrochemical reduction method, relates to a method for preparing a composite material of a super capacitor, and aims at solving the problem that a titanium oxide nanotube composite material capacitor prepared by an existing method is low in capacity. The method comprises the steps of forming a three-electrode system by a titanium oxide nanotube with carbon loaded on the surface, a Pt electrode and a saturated calomel electrode; and utilizing a CHI660D electrochemical workstation and carrying out chemical deposition by employing a potentionstatic deposition method to obtain the titanium oxide nanotube / carbon / manganese oxide composite material. By the electrochemical reduction method, a layer of manganese oxide is deposited on the surface of the carburized titanium oxide nanotube to prepare the titanium oxide nanotube / carbon / manganese oxide composite material. Compared with a TiO2NT / C composite material, the titanium oxide nanotube / carbon / manganese oxide composite material has higher capacitive performance. The titanium oxide nanotube / carbon / manganese oxide composite material can be obtained.

The invention relates to a production method of instant colored rice, belonging to the technical field of food processing. According to the method, the rehydration property and the storage performance of the instant colored rice based on the characteristics of high-frequency vibration and cavatition of ultrasonic waves, strong absorption effect of ethanol water vapor to lipids and water including bound water in rice and microwave heating consistence inside and outside can be improved. The production method comprises the main process steps of selecting red rice or black rice as raw materials, soaking for 30-40min at 45-55 DEG C, cooking for 30-40min, adding ethanol water solution for dispersion, filtering and continuously cooking for 20-30min, drying with ethanol water vapor in a 30-50Khz ultrasonic wave field until the water content is 8-10%, and then drying by microwaves with power of 100-200W until the water content is 3-4%. The produced instant colored rice has good mouthfeel, good rehydration property and excellent storage performance.

The invention discloses a preparation method of a modified activated carbon composite material. The preparation method comprises the following steps: A, soaking vermiculite in dilute sulfuric acid, drying in an oven, and carrying out heat treatment; B, mixing coconut shells and wood chips, and carrying out heating cracking to obtain charcoal; C, mixing biochar with sodium hydroxide, and performinghigh-temperature treatment to obtain activated carbon; D, mixing and ball-milling the pretreated vermiculite, activated carbon and expanded graphite to obtain mixed powder; E, dropwise adding butyl titanate and nitric acid into absolute ethyl alcohol, stirring for reacting, and then adding the mixed powder to obtain a mixed solution; and F, carrying out vacuum drying on the mixed solution to obtain the modified activated carbon composite material. According to the prepared modified activated carbon composite material, activated carbon is mixed in the process of preparing nanometer titanium dioxide, the adsorption capacity of the activated carbon to harmful gas is enhanced; and in addition, the nanometer titanium dioxide has certain sterilization and bacteriostasis capacity, and the purification effect is improved.

The invention relates to a method for producing nutritional instant rice through restrictive red-yeast fermentation, belonging to the technical field of food processing. The principle of the method disclosed by the invention is as follows: the nutritive value, reconstitution properties and storage performance of the instant rice are improved based on the transformation effect of red yeast fermentation, the strong moisture and lipid absorption effect of alcohol, the cavitation effect of ultrasonic waves and the uniform inside-outside drying effect of medium wave-short wave infrared rays. The method comprises the main process steps of screening rice, elutriating, immersing for 14-20 hours at the temperature of 30-40 DEG C, cooking for 25-30 minutes, pouring with cool water to disperse, filtrating, then, stewing for 15-25 minutes, carrying out restrictive red-yeast fermentation, drying rice with ultrasonic-alcohol water vapor until the moisture content is 15-18%, and then, drying with infrared rays with the wavelength of 2-4 microns until the moisture content is 3-5%. The produced instant rice is rich in nutrition and good in reconstitution properties and storage performance.

The invention provides a preparation method and application of a porous carbon material. The preparation method is carried out according to the following steps of placing potassium acetate in a nickel crucible, placing the nickel crucible in a high-temperature quartz tubular furnace, carrying out high-temperature pyrolysis under the protection of an inert gas, obtaining a product after pyrolysis, removing impurities in the product with an acid solution, immersing the product in the acid solution for magnetic stirring, washing the product with a large amount of deionized water to a neutral condition, and carrying out vacuum drying to obtain the porous carbon material. The prepared material is favorable in porous structure, high in specific area, large in pore volume and favorable in electrochemical performance, and also can be applied to other aspects.

The invention discloses a magnetic gel ball adsorption material and a preparation method thereof, polyvinyl alcohol and boric acid as well as alginate and soluble calcium salt are respectively cross-linked to form a three-dimensional double-cross-linked structure in a physical double-cross-linking manner under the condition that boric acid and soluble calcium salt are used as double-cross-linking agents; and a humate doping agent is doped into the double-crosslinking network structure, and finally the magnetic gel ball adsorption material is generated. The magnetic gel ball adsorption material synthesized by adopting the method has the advantages of green and environment-friendly synthetic raw materials, simple preparation process, low operation requirement and low cost, and the prepared adsorption material has the advantages of high removal rate, easiness in separation, good stability and recyclability, and can meet the requirements of actual production.

The invention discloses a slope protection supporting structure for slope water ecological management. The slope protection supporting structure comprises slope protection structures arranged oppositely and a supporting structure arranged between the two slope protection structures; each slope protection structure comprises a slope toe, a slope and a slope top; a plurality of supporting piles are arranged on the slope protection structures; the supporting piles are arranged on the slope toes, the slope tops and the slopes correspondingly; one ends of the slopes are connected with the slope toes; an anchoring layer and a leveling layer are sequentially arranged on each slope toe from bottom to top; one ends of the slopes are connected with the slope tops; each slope top is provided with a maintenance channel or a road; a protection base layer and a protection reinforcing layer are sequentially arranged on each slope from bottom to top; a lower protection layer is arranged on the lower part of each protection reinforcing layer; and an upper protection layer is arranged on the upper part of each protection reinforcing layer. Through reasonable design, an ecological and natural slope structure is formed, the protection effect and the ecological management effect are good, meanwhile, construction is convenient and fast, the construction effect is improved while construction safety is guaranteed to the maximum extent, time and labor are saved, and efficient construction is achieved.

The invention belongs to the technical field of materials, and relates to a manufacturing method of nano-copper antibacterial and antiviral melt-blown cloth master batch. The method comprises the following steps of mixing and hybridizing graphene, nano-copper, microporous silicon dioxide and a nano-microcapsule wrapping material to obtain a nano-microcapsule-coated graphene composite material; and mixing and melting the nano-microcapsule-coated graphene composite material and a polypropylene material, and carrying out extrusion granulation to obtain the nano-copper antibacterial and antiviral melt-blown cloth master batch. The invention also relates to application of the nano-copper antibacterial and antiviral melt-blown cloth master batch obtained by the preparation method in melt-blown cloth with antibacterial and virus-inactivating properties. According to the method and application, the nano-copper is used as an antibacterial auxiliary agent to form the nano-microcapsule-coated graphene composite material, and the nano-microcapsule-coated graphene composite material and the polypropylene material form the melt-blown non-woven fabric master batch so that the nano-copper can be firmly embedded in a polyester fiber molecular structure to form a non-dissolution type antibacterial fiber, and then the fiber and the non-woven fabric obtain continuous antibacterial property.

The invention discloses a ceramic hollow sphere composite binder cubic boron nitride grinding wheel working layer and belongs to the field of manufacture of superhard abrasive tools. A ceramic hollow sphere composite binder is prepared by the following steps of: uniformly mixing 5 to 15 percent of alumina ceramic hollow sphere granules as a pore-forming material and enhancement phase and 85 to 95percent of Cu-Sn-Ti active matrix alloy (10 percent of Ti, 60 percent of Cu and 30 percent of Sn) serving as a matrix material of a grinding wheel working layer, and performing solid phase sintering and furnace cooling to room temperature. The composite binder cubic boron nitride grinding wheel working layer is prepared from the following steps of: mechanically and uniformly mixing 15 to 25 weight percent of cubic boron nitride abrasive particles, 5 weight percent of graphite particles and 70 to 80 weight percent of composite binder layer, pressing into blanks, putting the blanks into a vacuum furnace and performing high-temperature liquid-phase sintering. The prepared composite binder cubic boron nitride grinding wheel working layer has the characteristics of high porosity and high strength.

The present invention discloses a preparation method of a modified edible fungus composite mantou powder rich in amino acids. The method is characterized by comprising the following steps: cleaning edible fungi; conducting blanching for 2-3min; drying the edible fungi until a moisture content is 5% or below; conducting refining treatment; compounding edible fungus powder with wheat flour accordingto a certain proportion; and adding modifying agents such as wheat gluten, monostearin, fungal amylase and xylanase so as to obtain edible fungus composite mantou with good sensory properties. According to the invention, the vacuum microwave drying and superfine grinding of the edible fungi retains the nutrient components in the edible fungi to a great extent, and enables the edible fungus powderto have good fluidity, adsorbability, solubility and absorptivity; and secondly, the combination of the edible fungus powder and the wheat flour improves the protein and fiber content of the flour, and the edible fungus composite mantou powder with high amino acid score is obtained, and the addition of the modifying agents also enables the prepared edible fungus composite mantou to have good sensory properties.

The invention discloses a seaweed polysaccharide anti-transpiration paste leaf fertilizer additive specially used for a pear tree. The additive is prepared from the following raw materials in parts by weight: 0.8-1 part of surfactin, 6-7 parts of cytokinin, 31-34 parts of methanol, 1.2-1.3 parts of pesticide emulsifier 602, 0.3-0.31 part of anhydrous calcium chloride, 0.139-0.14 part of anhydrous magnesium chloride, a right amount of deionized water, 0.15-0.18 part of isopropanol, 3-4 parts of hydroxyethyl methyl cellulose, 3-4 parts of seaweed polysaccharide, 4-5 parts of biochemical fulvic acid, 1-2 parts of ammonium molybdate, 3-4 parts of bentonite, 0.8-1 part of sodium lauryl sulfate, 29-32 parts of urea, 15-17 parts of potassium humate, 9-11 parts of dipotassium hydrogen phosphate, a right amount of ammonium sulfate and 2-3 parts of white sugar. When the paste leaf fertilizer prepared from the additive disclosed by the invention is used for spraying pear leaves, the yield of the pear tree can be improved, and occurrence of plant diseases and insect pests can be reduced.

The invention discloses a paste-state pear tree leaf fertilizer additive capable of inhibiting heavy metal absorption by sulfydryl humin. The sulfhydrylation modification is performed on humin by a series of process steps, the number of sulfydryls is increased on the surface of the humin, the toxicity of multiple metals can be coupled and antagonized, a chelated humic acid synergist is added, the absorption of pear trees on heavy metals can be inhibited, and by addition of the produced product into a paste-state pear tree leaf fertilizer, rich nutrients are provided for pear trees, and activities of trace elements and major elements are enhanced, so that the immunity of the pear trees is enhanced, the yield is increased, and the application prospect is good.

The invention relates to a production method of instant colored rice, belonging to the technical field of food processing. According to the method, the rehydration property and the storage performance of the instant colored rice based on the characteristics of high-frequency vibration and cavatition of ultrasonic waves, strong absorption effect of ethanol water vapor to lipids and water including bound water in rice and microwave heating consistence inside and outside can be improved. The production method comprises the main process steps of selecting red rice or black rice as raw materials, soaking for 30-40min at 45-55 DEG C, cooking for 30-40min, adding ethanol water solution for dispersion, filtering and continuously cooking for 20-30min, drying with ethanol water vapor in a 30-50Khz ultrasonic wave field until the water content is 8-10%, and then drying by microwaves with power of 100-200W until the water content is 3-4%. The produced instant colored rice has good mouthfeel, good rehydration property and excellent storage performance.

The invention discloses a preparation method of a hydrogenation and residual carbon removal catalyst. The method comprises the following steps: (1) mixing a pore-enlarging agent with pseudo-boehmite to obtain a mixture A; (2) mixing metakaolin, ammonium bicarbonate and water, carrying out sealed crystallization, and carrying out drying, roasting, dealumination treatment and drying on the crystallized material to obtain a material B; (3) carrying out ball-rolling molding on the mixture A to obtain a precursor I; and (4) mixing the material B with the precursor I, carrying out ball-rolling molding, drying, roasting, and loading an active component to obtain the hydrogenation and residual carbon removal catalyst. The catalyst prepared by the method has relatively high macroporous content andproper surface acidity, and has relatively high hydrogenation desulfurization and denitrification activity while having relatively high residual carbon removal activity.

The invention discloses a special paste-shaped leaf fertilizer additive with rare-earth modified chitosan for pear trees. Formula reaction is carried out on functional groups of lanthanum nitrate, high-lanthanum rare-earth and flaky chitosan, then the rare-earth modified chitosan is prepared, the rare-earth modified chitosan is added when a product is prepared, the prepared product is added when a paste-shaped leaf fertilizer is prepared, the fertilizer is sprayed to the pear trees, then the concentration of sugar of the pear trees can be increased directly after the fertilizer is absorbed by leaves, growth of root systems of the pear trees can be promoted, and meanwhile as the additive is rich in multiple nutrient elements, absorption of nutrition by the leaves can be promoted, the stress resistance of the pear trees can be improved, the disease and insect resistance of the pear trees can be improved, and the yield of the pear trees can be increased.

A shower purification device with a beautifying function comprises a cylindrical shell. A water inlet pipe connector and a water outlet pipe connector are arranged at the two ends of the shell respectively. The shell is filled with a magnetism water purification layer, an adsorption water purification layer and a beautifying and healthcare warm bath layer in sequence from the water inlet pipe connector to the water outlet pipe connector. A supporting protection layer is arranged between the water inlet pipe connector and the magnetism water purification layer, a supporting protection layer is arranged between the magnetism water purification layer and the adsorption water purification layer, a supporting protection layer is arranged between the adsorption water purification layer and the beautifying and healthcare warm bath layer, a supporting protection layer is arranged between the beautifying and healthcare warm bath layer and the water outlet pipe connector, and the circumferential edges of the supporting protection layers are in sealing fit with the inner wall of the shell. The shower purification device is simple in structure, easy to manufacture, convenient to install, light, flexible and convenient to use, good in water purification effect, long in service life and low in cost, can effectively remove residual chlorine, bacteria and other hazardous substances in water and has the functions of flowing water, pure water and healthcare water.

The invention discloses a preparation method of a macroporous alumina carrier. The preparation method comprises the following steps: (1) uniformly mixing a proper amount of pseudo-boehmite powder A and a proper amount of pseudo-boehmite powder B; (2) adding a proper amount of ammonium chloride into the mixed material in the step (1), uniformly mixing, and roasting to obtain aluminum oxide powder C; (3) uniformly mixing a proper amount of pseudo-boehmite D with the aluminum oxide powder C obtained in the step (2), then adding a peptizing agent and an extrusion aid, uniformly mixing and kneading, and carrying out extrusion molding; and (4) drying and roasting the strip-shaped material in the step (3) to obtain the macroporous alumina carrier. The method is simple in process and easy for industrial production, and the prepared alumina carrier has high pore volume and high pore content of 10-20 nm and 20-60 nm.