49results about How to "Illiquid" patented technology

The invention provides an addition solidifying type organosilicone composition having proper viscosity (ejecting property), nonliquidity (shape stability when being heated for solidification), and excellent optical reflection, and a photosemiconductor apparatus using the same. The addition solidifying organosilicone composition is particularly applicable to the reflecting material of the LED with self-adhesiveness. The self-adhesiveness addition solidifying type organosilicone composition applicable to photosemiconductor apparatus comprises the following procedures: (A) one molecule comprises at least two organopolysiloxanes of alkenyl bonded with the silicon atom, 100 parts by mass; (B) one molecule comprises at least two hydrogen atoms bonded with silicon atoms and at least one organic polysiloxane of the alkoxy, with the general Si-H-yl number being 1.4-5.0 times of the general alkene-yl number of the component (A); (C) fumed silica, relative to 100 parts by mass of the components (A) and (B), has 8 to 30 parts by mass; (D) white pigment; and (E) solidifying catalyst.

A method for liquefying beancurd, beverages with liquefied beancurd as the main raw material and a preparation method belong to the technical field of instant food production. In the invention, the soybeans are soaked, ground (into milk) and heated, the soybean dregs are separated and a coagulator (coagulant) is added to obtain the well-known beancurd (actually soybean curd), or soyabean protein powder (including soybean protein isolate and soybean protein concentrate), soybean powder or fine soybean powder is used as the raw material and mixed with water to obtain soybean milk and then the soybean milk is coagulated to prepare beancurd, the prepared beancurd is liquefied and a thickener and / or an emulsifier is added or not added to prepare the liquefied beancurd which has no obvious beany flavor, has soft texture, uniform and delicate structure, good liquidity and rich nutrition and is easy to store and transport, digest and absorb, and the liquefied beancurd is taken as the base material and dry fruits, fruit granules and / or seasonings are added or not added to prepare the beverages. The products are widely applicable to various consumer population.

The invention belongs to the technical field of the composite material, and particularly relates to a non-fluidity rapid-hardening strong-cohesive-force phosphate cement repairing material and a preparation method thereof. The non-fluidity rapid-hardening strong-cohesive-force phosphate cement repairing material comprises the following raw materials by weight percentage: 20%-40% of sand, 5%-12% of ammonium dihydrogen phosphate, 10%-25% of magnesium oxide, 2%-8% of coal ash, 30%-60% of rubber powder, 6%-10% of silica fume, 0.35%-0.6% of a polycarboxylate superplasticizer, 1%-5% of sodium silicate, 1.5%-2% of polypropylene fiber, 0.5%-2% of a retarder, and 8%-10% of water. The method is used as the repairing material for the special positions of the baseboard of a bridge or the standing face of buildings which is damaged, and the repairing effect is remarkable.

The invention provides a solid heat storage structure and a processing method. The solid heat storage structure is a self-supported three-dimensional through layered or network structure formed by a solid heat storage block of a regular shape and a bonding filling material with high heat conductivity; and a high-heat-conductivity metal sheet in the bonding filling material is molten into a liquid for permeating into gaps of the solid heat storage block at certain temperature, or only a bonding agent is used for melting or bonding the solid heat storage block, and is solidified or welded or bonded and cured into an entire heat storage solid structure block together with the solid heat storage block after being cooled. A solid heat storage medium is used for storing heat by using the sensible heat performance of a solid, runs safely, is easy for processing, and is low in cost; three-dimensional netlike structures made of a high-heat-conductivity material are uniformly distributed in an entire heat storage medium space, so that the transfer of heat energy is enhanced greatly, and the entire medium has high heat conductivity; and the solid heat storage structure has high heat conductivity and high thermal capacity, and can be applied to various heat storage applications, in particular to solar energy light heat utilization systems.

The invention discloses a preparation method and a quality control method of coptis root detoxifcation soup particles. The preparation method comprises decocting coptis root, radix scutellariae, phellodendron and cape jasmine decoction pieces in water 2 times, filtering the decoctions, merging the filtrate, carrying out vacuum concentration on the filtrate, adding beta-cyclodextrin into the filtrate, carrying out stirring to obtain clear paste, carrying out spray drying on the clear paste, and carrying out dry method granulation to obtain the coptis root detoxifcation soup particles. The quality control method comprises thin layer qualitative identification and HPLC content determination. The preparation method effectively solves the problem that the coptis root detoxifcation soup produces precipitates in condensation, maximumly retains effective components in raw materials, and can be widely used in massive production. The quality control method realizes simple, comprehensive and effective control of coptis root detoxifcation soup particle quality and can be used in daily quality control.

The invention belongs to the field of laser holography anti-fake packaging materials and in particular relates to a production method for partial laser holography transfer paper. The production methodcomprises the following steps: (1) performing coating, namely according to layout designing requirements of partial transfer paper, manufacturing a special edition coating anilox roller, and partially coating a PET (polyethylene terephthalate) base membrane by a transfer coating; (2) performing mold pressing, namely performing mold pressing on laser holography anti-fake information on a mold pressing machine, wherein holography information is mold-pressed in an area coated by the transfer coating, and an area without the transfer coating is not provided with the holography information; (3) performing aluminum plating, namely performing aluminum plating according to a normal laser holography aluminum plating process, enabling an aluminum layer to adhere to the coating in the area coated bythe transfer coating, and enabling an aluminum layer to adhere to the PET base membrane in the area without the transfer coating; and (4) performing combining peeling, namely smearing a transfer adhesive in a whole edition on a combining machine to combine an aluminum layer surface of the laser holography partial transfer membrane with paper, and peeling off the PET base membrane, so as to obtainpartial transfer paper. The edge of the partial transfer paper obtained by using the method is tidy, and the packaging molding speed can be greatly increased, that is, is up to 800 pieces of paper / minute at most.

The invention relates to a liquid-metal thermal interface material with a self-packaging function and a preparation method thereof, and belongs to the technical field of thermal interface materials. In the thermal interface material, liquid metal accounts for 70 vol%-99 vol%; and high thermal conductivity filler accounts for 1 vol%-30 vol%. The liquid metal is formed by mixing two or more kinds of liquid metal with different melting points. The preparation method comprises the following steps that raw materials are cleaned, mixed, and then put into an ultrasonic processor, deionized water is added, ultrasonic treatment is carried out, and then filtering and drying are carried out; and then, the mixture is subjected to hot-pressing into a sheet shape, and finish rolling is carried out to obtain the sheet-shaped thermal interface material. According to the liquid-metal thermal interface material, at a use temperature, the high-melting-point part is in a solid state, the low-melting-point part is in a liquid state, the solid-phase part limits flowing of the liquid phase, the self-packaging effect is achieved, and the liquid-metal thermal interface material has a state of softening paraffin and has high flexibility and no fluidity. In addition, the liquid-metal thermal interface material has a high thermal conductivity (greater than 60 W / mK) and good processability. 60 W / mK) and good processability.

The invention discloses a wolfiporia cocos planting method and belongs to the technical field of planting of polyporaceae. The wolfiporia cocos planting method specifically includes steps of selecting a culture medium for wolfiporia cocos pulp in the size same as wheat kernels into PDA, culturing to obtain wolfiporia cocos mycelium and inoculating wolfiporia cocos mycelium into a stock culture medium to obtain wolfiporia cocos mycelium leads; cultivating plump and strong wolfiporia cocos strains by preparing niblet and fruit branch cultivating compost, annularly excavating grooves in pine stems, and inoculating the wolfiporia cocos strains into the peripheries of the grooves, fixing a bacterium bag by kelp, culturing by earth, reasonably sterilizing, killing insects, adjusting soil temperature and humidity, checking strain conditions periodically, and harvesting wolfiporia cocos in time. The wolfiporia cocos planting method is simple in operation, and biological efficiency is improved by using high salt of the kelp. Meanwhile, more sufficient nutrition is provided for growth of wolfiporia cocos, and large, high-yield and good-quality wolfiporia cocos are obtained.

The invention provides a solid-state heat storage structure and a processing method. The solid-state heat storage structure is a self-supported three-dimensional through net structure which is formed by aggregates and filling agents with high heat conductivity; filling agent materials are melted to be in a liquid state at a high temperature and permeate into gaps of the mixed aggregates; and after being cooled, the filling agent materials and the aggregates form a whole heat storage solid block. The solid-state heat storage medium of the solid-state heat storage structure has no flowability, and heat can be stored by virtue of the sensible heat property of solids, so that the operation is safe; the whole heat storage medium is compactly integrated, so that the heat conduction among multiple interfaces is enhanced greatly; and moreover, the three-dimensional net structure made of the materials with high heat conductivity is distributed inside the whole heat storage medium space relatively uniformly, so that the transfer of heat energy is enhanced greatly, so that the medium has good heat conductivity wholly. The solid-state heat storage structure is low in cost, good in heat conduction and large in heat capacity, can be applied to various heat storage application, and particularly can be applied to a solar photo-thermal utilization system.

Disclosed is a chemical nickel waste liquid integrated processing system. The chemical nickel waste liquid integrated processing system is characterized in that solid-liquid separation can be performed on chemical nickel waste liquid, and the system comprises an evaporation device, a cooling tower, a conduction oil circulating device, an electric control cabinet and an automatic control unit; the evaporation device comprises a steam-liquid separator, a feeding electric valve, an emptying valve, a heating chamber, a condenser, a water storage tank and a vacuum pump; the water storage tank is composed of a first tank body and a second tank body. The chemical nickel waste liquid integrated processing system is high in integration degree, small in occupied area and capable of safely, stably and effectively removing phosphorus, nickel and COD in chemical nickel waste liquid, no secondary pollution is generated, and the processed chemical nickel concentrated solution has the recycling value.

The invention discloses an air energy cold storage phase-change material and a preparation method thereof. Decanoic acid, lauric acid, expanded graphite, nano ferric oxide and dodecylbenzene sulfonicacid are adopted as raw materials, a phase-change cold storage material is prepared through a series of processes such as mixing, co-melting, stirring, oscillation, dispersion, cooling and adsorption,the start melting temperature is 18+ / -1 DEG C, the phase-change peak temperature is 23+ / -2 DEG C, the phase-change enthalpy is 120-129kJ / kg, and the material has good toughness and strength and is good in stability. The phase-change material has a surface phase as a solid phase in the phase-change process, has no flowability and is free of leakage problem. The phase-change material is powder which is sealed in a container, and can also form an overall structure with a building material. The material is used in a region with large day and night temperature differences and is used for storing air cold energy at night in summer, and in case of a high indoor temperature, the cold energy can be released into a room, and thus an indoor air temperature can be adjusted.

The invention belongs to the field of functional materials, and relates to a preparation method of a modified liquid metal composite material. The invention provides the modified liquid metal composite material which is prepared by compounding a liquid metal and an inorganic material, that is, the inorganic material and the liquid metal are subjected to a mechanical grinding processing method, and through mechanical shear induced mechanochemical action, empty orbits in the liquid metal and lone pair electrons existing on the surface of the inorganic material can form a coordination effect, and metal atoms in the liquid metal enter crystal lattices of the inorganic material; the inorganic material can be uniformly dispersed in the liquid metal due to strong interaction so that the modified liquid metal composite material is obtained; the inorganic filler is an inorganic material containing lone electron pairs, and the specific surface area of the inorganic filler is less than or equal to 18.1142 m < 2 > / g. According to the invention, the putty-shaped or liquid-shaped modified liquid metal composite material can be obtained; the obtained modified liquid metal composite material has excellent plasticity and can be directly formed.

The invention provides a technology for carrying out electrostatic coating on a surface of a non-conductor. The non-conductor comprises glass, plastic and the like. Ordinary low-temperature epoxy polyester powder coating which is sold on the market is adopted, the coating is divided into two parts, namely conductive treating and the electrostatic coating. The technology comprises the specific steps of polishing, cleaning, super-hydrophilic embellishing, tap water atomizing, the electrostatic coating and solidifying. The conductive workpiece surface is required by the electrostatic coating. Due to the fact that a conductive water film which is even, extremely thin and free of fluidity is formed on the workpiece surface, the technical limitation that the electrostatic coating is carried out on the surface of a non-conductive insulating body is solved. Due to the fact that the water film is even and free of the fluidity, the influence on powder adhering by water flowing is avoided. Before heating and melting are carried out on powder, the water film is evaporated rapidly, and a bubble or a hole is prevented from forming in a painting film. The technology has the advantages of being environmentally protected, low in cost, low in energy consumption, simple in procedures, high in powder utilization, and even in coating layer.

The present invention discloses sleep improving health-care food and a preparation method thereof, and belongs to the field of health-care food. The sleep improving health-care food comprises the following raw materials in parts by mass: 40-50 parts of caulis polygoni multiflori, 35-45 parts of bulbus lilii, 25-35 parts of poria cocos and 15-20 parts of ginsengs. The preparation method of the sleep improving health-care food is as follows: firstly, the component raw materials are purified, then the ginsengs are superfinely ground to obtain superfine ginseng powder, then water are added into the caulis polygoni multiflori, poria cocos and bulbus lilii to conduct a decoction, the decocted materials are filtered, the filtered materials are vacuum concentrated, the concentrated materials are vacuum dried, the dried materials are crushed, the crushed materials are sieved to obtain dry cream powder, finally the prepared superfine ginseng powder and dry cream powder are mixed evenly, ethanol at a mass concentration of 85% is used to prepare soft materials, and granulating, granule separating, polishing, packaging and inspecting are conducted to obtain the finished products. The sleep improving health-care food is obvious in improving the sleep effects, mild in medicinal properties, not easy to produce drug resistance, free of toxic and side effects, and suitable for a long-term use.

The invention relates to a method for dewatering washing tailing slime of bauxite ore. The method includes the steps that firstly, tailing slime of the bauxite ore is fed into a storage tank through afluid director, flocculant is added, preliminary flocculation is carried out, and slurry is obtained; and then the slurry is fed into a pipe mixer, modified flocculant is added, further flocculationis carried out, thorough stirring is carried out, three-stage dewatering is carried out by adopting a belted filter, and a filter cake and filtrate with the moisture content not higher than 35wt% areobtained. According to the method for dewatering the washing tailing slime of the bauxite ore, the modified flocculant is utilized ingeniously, thus compact fine tailing slime particles are convertedinto loose flocculation, and filtration and dewatering of the tailing slime are facilitated; the moisture content of the generated filter cake is no more than 35wt%, the filter cake has no fluidity, and can be used for backfilling goaf, tailing wet storage of the tailing slime is changed into dry disposal, safety and the environmental protection effect are obvious, energy consumption of filtrationand dewatering is low, and water resources are saved.

The invention provides a preparation method of spherical boron nitride, which comprises the following steps of: (1) mixing boron nitride powder, a surfactant, carbohydrate and water in a mass ratio of10: (0.05-0.5): (1-10): (50-200), and uniformly stirring to obtain a suspension A; (2) transferring the suspension A into an isostatic pressing stripping machine, and carrying out isostatic pressingstripping; and then carrying out heating treatment under a closed condition, and filtering and drying to obtain powder B; (3) dissolving the powder B and a binder in water, uniformly stirring, and adjusting the pH value to obtain a stable solution C; and (4) introducing the solution C into a spray tower for spray drying to obtain powder, and performing high-temperature calcination to obtain the spherical boron nitride. The spherical boron nitride is high in strength, high in density and low in porosity, and the tap density of the finally obtained spherical boron nitride can reach 0.7-1.0 g / cc.

The invention provide a pneumatic tire, the uniformity of which is improved although a puncture-preventing layer is arranged on the inner side of a tread portion. A gel sheet (5), which is so made of a silicone compound, an urethane compound, a styrene compound or an ethylene compound as to have a penetration of 50 or more, after set, and an ASKER C hardness of 40 or less, is arranged as a puncture-preventing layer on the inner side of an inner liner (4) in the region corresponding to the tread portion (1).

The invention discloses grape peel jam and a production method thereof. The grape peel jam is prepared by sugaring 20wt%-40wt% of grape peels, 0-30wt% of grape puree and 40wt%-60wt% of white granulated sugar under an oxygen-free condition, wherein the grape peels are obtained through coldly crushing and pulping; and the grape puree is obtained through centrifuging and separating grape clean juice in grape cloudy juice after coldly crushing and pulping. The grape peel jam directly takes the grape peels and the grape puree, which are coldly crushed and pulped, as production raw materials, and the grape peels do not need to be dried and crushed and are not boiled at a high temperature, so that the loss of nutrient components of the grape peels is avoided, process steps are reduced, the production method is simple, and the preparation cost is reduced; and the obtained grape peel jam is simple in raw material composition, is deeply purple, has rich grape fruit fragrance, high content of anthocyanin, abundant nutrient components and rich dietary fibers, can be directly eaten and can also be used as stuffing of moon cakes, cakes and the like. With the adoption of the grape peel jam, the grape peels have high value application, so that the grape peel jam is suitable for industrial production.

The invention discloses oily powder paste with thixotropy and a preparation method of the oily powder paste. The method comprises the steps as follows: the surface of inorganic toner powder is coatedwith aluminum hydroxide through wet processing, the surface of the powder coated with aluminum hydroxide is coated with an organic matter treating agent I and an organic matter treating agent II respectively through wet processing, then, the powder is uniformly stirred with oil and a dispersant, grinding and dispersion are performed, and the oily powder paste with thixotropy is prepared. The powder paste has the advantages of no fluidity during storage, low oily powder separation risk, stirring fluidity during usage, capability of realizing addition by pouring and being uniformly mixed with asystem through low-speed stirring and the like and can be used as a raw material for preparing foundation such as liquid foundation and blusher as well as makeup products.

Jelly-like ginseng and pig bone concentrated soup and its preparation method belong to the field of a food technology. The ginseng and pig bone concentrated soup provided by the invention is prepared by the following steps: pretreating ginseng, radix astragali, rice wine, pig bone, pigskin, ginger slice, scallion, star anise, myrcia, cinnamon, neutral protease, caramel pigment, salt, monosodium glutamate, nucleotide disodium, sodium dehydroacetate, potassium sorbate, natamycin, carragheenan and xanthan gum, decocting, concentrating, modulating color and taste, making glue, sterilizing and filling. The jelly-like ginseng and pig bone concentrated soup is soft and elastic in texture, has no flowing liquid, is convenient to carry and transport and can be divided and eaten for multiple times. One part of the jelly-like ginseng and pig bone concentrated soup is blended with 15 parts of boiling water. After blending, redissolvability of the concentrated soup is good. And blending can be finished within 20 seconds. The concentrated soup provided by the invention can be used in household daily dining, hotel dining, fast food and travel dining, and is fast and nutritive ginseng instant soup convenient for the masses.

The invention discloses a desulfurization and deoxygenation process for smelting precise or special alloys by using a medium-frequency induction furnace multi-slag method. The process is characterizedin that the capacity of a medium-frequency induction furnace is less than or equal to 6 tons, metal raw materials loaded into the furnace must be clean and rust-free, and pure iron is inserted into the furnace in the form of a cast rod. During smelting of one heat steel, the total number of times of repeated new slag making reaches two or more, crusting slag and flowing slag on the surface of a molten pool need to be removed clearly every time slag making is conducted, and a thin slag layer capable of covering the molten steel surface is reserved, and then new slag is made in time. The alkalinity of the slag is 3-3.6, and precipitation and diffusion deoxidation are preformed according to requirements. In the refining period, the temperature of molten steel is controlled to be 1590-1610 DEG C, and the tapping temperature is controlled to be 1610-1630 DEG C. After the molten steel is poured into a steel containing barrel, Ar is blown and stirred, and then the molten steel is cast into asteel ingot under an Ar gas protection device. According to the process, the contents of sulfur and oxygen in the steel can be remarkably reduced, and high-end metal products such as precision or special alloys for cold or hot working can be successfully smelted.

The invention relates to a method for preventing and treating blasting raise dust and blasting harmful gas, and belongs to the field of engineering blasting. A dry water type material for preventing and treating blasting dust and blasting harmful gas is prepared from the following components in parts by weight: 3-10 parts of a hydrophobic nano material and 90-97 parts of an inorganic solution. Themethod comprises the following steps: firstly, adding the hydrophobic nano material into the inorganic solution, uniformly mixing the hydrophobic nano material and the inorganic solution, adding themixture into a high-speed dispersion machine, and carrying out shear dispersion to prepare the dry water type material. During blasting construction, a blast hole is blocked by water stemming and claystemming, and then the periphery of the blast hole is covered with the dry water type material. In the blasting process, water in the water stemming can be atomized to reduce dust, meanwhile, explosion gas and shock waves can raise and destroy the dry water type material, and compared with water, the undestroyed dry water type material has higher capture and storage efficiency on gas such as carbon dioxide and hydrogen sulfide; and the destroyed dry water type material can release a coated solution to adsorb and absorb blasting dust and blasting harmful gas.

The invention relates to a dry treatment method of bauxite tailings. The dry treatment method comprises the steps that ore washing tailings are sent into a first hydrocyclone group to be subjected tohydrocyclone separation, and first rough sand and first overflow are acquired; the first rough sand is screened, and first screen underflow and first screen overflow are acquired; the first screen underflow and the first overflow are sent into a second hydrocyclone group to be subjected to hydrocyclone separation, and second overflow and second rough sand are acquired; the first screen overflow and the second rough sand are sent into a silica removing machine to be subjected to silica removing, and third overflow and third rough sand are acquired; the third rough sand is screened, and second screen underflow and second screen overflow are acquired; the third overflow, the second overflow and the second screen underflow are subjected to thickening treatment, and fourth overflow and underflow are acquired; and a flocculating agent is added into the underflow, the materials are uniformly mixed and are filtered, and filtrate and filter cakes are acquired. According to the dry treatment method, useful minerals are recycled from the ore washing tailings, and the resource comprehensive utilization rate is increased; and finally, the ore washing tailings are subjected to dehydration, the filtrate is used for ore washing and is reused, and the filter cakes are used for backfilling of goafs, so that water resources and land resources are saved.

The invention discloses a molding paste composition. The molding paste composition comprises 120-150 parts of a first solvent, 50-100 parts of a second solvent, 18-25 parts of polyvinyl alcohol, 2-3 parts of a thickening agent, 1.5-3 parts of an antiseptic, 12-15 parts of glycerol, 6-8 parts of borax and 10-15 parts of polystyrene. The invention also discloses a preparation method of the above molding paste, and a use of the molding paste in the making of toys. The molding paste has the advantages of light weight, no fluidity, formation of various shapes after extrusion under a slight pressure, no effusion, and moisture retention within a long time. The preparation method of the molding paste is economic, and the addition of the antiseptic prevents the increase of bacteria and ensures the health of children after the molding paste is used to make toys.

The invention provides a fully-automatic and continuous chemical nickel liquid waste treatment system. The fully-automatic and continuous chemical nickel liquid waste treatment system is characterized in that the chemical nickel liquid waste treatment system can conduct solid-liquid separation on chemical nickel liquid waste and comprises evaporation equipment, a cooling tower, heat conduction oil circulation equipment and an automated control unit; the evaporation equipment comprises a vapor-liquid separator, a feeding electric valve, an emptying valve, a first heating chamber, a second heating chamber, concentrated liquid discharge valves, a condenser, a water storage tank and a vacuum pump; in the work state, the first heating chamber and the second heating chamber work by turns and do not work simultaneously; the water storage tank is composed of a first tank body and a second tank body; the heat conduction oil circulation equipment comprises a heating groove and a heat conduction oil circulation pump; the automated control unit comprises a heat conduction oil heating control module, a temperature sensor, a feeding control module, a first sensor, a condensate water discharging control module and a second sensor. By means of the chemical nickel liquid waste treatment system, phosphorus, nickel and COD in chemical nickel liquid waste can be effectively removed.

The invention belongs to the technical field of batteries, and particularly relates to a preparation method of a solid-state battery. The preparation process of the solid-state battery is carried out under anhydrous and anaerobic conditions. The preparation method comprises the following steps: obtaining a porous metal material; mixing the metal nano material, positive electrode powder and first electrolyte powder to obtain a positive electrode mixture; filling the structure of the porous metal material with the positive electrode mixed material, and carrying out first compaction treatment to obtain a positive electrode compacted layer; depositing second electrolyte powder on the surface of one side of the positive electrode compaction layer, and carrying out second compaction treatment to obtain a composite compaction layer of the positive electrode compaction layer and the electrolyte compaction layer; and under the water-free and oxygen-free condition, carrying out electromagnetic thermal sintering treatment on the composite compaction layer to obtain a composite layer of the positive plate and the electrolyte layer. The preparation method of the solid-state battery is short in sintering time and high in efficiency, and the prepared solid-state battery is low in resistance, high in conductivity and excellent in comprehensive performance.

The invention discloses a catalytic cracking material for reducing sulfur content of gasoline. The material comprises a vanadium-bearing mullite material, and can further comprise one or more rare earth metal oxides. The vanadium-bearing mullite material is prepared by introducing a vanadium-bearing compound into kaolin, roasting at a relatively lower temperature and conducting phase change reaction. A rare earth compound is added by an impregnation or coprecipitation method. The catalytic cracking material can serve as a catalytic cracking assistant to be used with the existing catalytic cracking catalyst after spray granulation forming, or serve as a carrier component for preparing a catalytic cracking catalyst having a sulfur reduction function for the gasoline. Vanadium in the catalytic cracking material is fixed in a mullite crystalline phase, so that the catalytic cracking material has a good effect on sulfur reduction, and a structure of a catalyst molecular sieve cannot be damaged.

The invention provides a manufacturing method of a low-melting-point metal device and a manufacturing method of a solar cell, and relates to the technical field of low-melting-point metal. The manufacturing method of the low-melting-point metal device comprises the steps of: providing a base material and a packaging film; forming a low-melting-point metal pattern on the base material by using low-melting-point metal; cooling the low-melting-point metal pattern to solidify the low-melting-point metal in the low-melting-point metal pattern; covering the surface, on which the low-melting-point metal pattern is formed, of the base material with the packaging film, and applying pressure to the packaging film and / or the base material to complete packaging of the low-melting-point metal pattern;and heating the low-melting-point metal pattern to room temperature, and melting the low-melting-point metal pattern to obtain the low-melting-point metal device. According to the technical scheme, the problem of deformation or damage of the low-melting-point metal pattern caused by overflow of the low-melting-point metal when the low-melting-point metal pattern is packaged by using the packagingfilm can be solved.

The invention discloses an efficient antibacterial honey paste and a preparation method thereof. The preparation method comprises the following steps: 1) mixing honey and cellulose in proportion; 2) uniformly mixing the product obtained in the step 1) at a certain rotating speed and a certain temperature; and 3) cooling and packaging. The efficient antibacterial honey paste is free of any chemical additive, green, safe and free of toxic and side effects, can be directly applied to a human body and has excellent antibacterial property, the content of honey is 50% or above, the preparation method is simple and effective, a tedious preparation process is avoided, meanwhile, the product can be effectively adhered to skin and any wound surface, long term antibacterial effect is achieved, and in addition, the honey paste can be squeezed out through the paste, so that the honey paste is convenient to store and use.