130results about How to "Solve Absorbency" patented technology

The invention relates to a composite artificial ligament and a preparation method thereof. The composite artificial ligament has a rodlike structure formed by reeling of a woven net. The woven net has a net structure formed by weaving of threads. The threads in the rodlike structure tangle with each other to loop together so as to form a mesh interleaving structure. The threads are formed by winding of a variety of filament bundles with different degradation properties, and the variety of filament bundles with different degradation properties are respectively formed by spinning or beam spinning of components with different degradation properties, so that the obtained composite artificial ligament has gradient degradation performance. The composite artificial ligament provided by the invention has good mechanical properties, and can promote the attachment of surrounding tissue and the repair and normal growth of ligament tissue. At the same time, part of components in the body can be gradually biodegradable, and significant decline of the ligament's mechanical properties cannot be caused during degradation.

The invention discloses a method for preparing a black fungus puffed ultramicro powder. The method includes selecting black fungus sporophores to serve as a raw material, puffing black funguses by an instantaneous alternating temperature and pressure difference of a puffing tank of a puffing device, maintaining a valve between the puffing tank of the puffing device and a vacuum tank to be in an opening state all the time, subjecting the black funguses in the puffing tank to a vacuum drying, and subjecting the puffed black funguses to a coarse grinding and a superfine grinding to obtain the black fungus puffed ultramicro powder. According to the method, a high pressure gas serves as a carrier, by means of a puffing wall breaking process, a black fungus organization structure is subjected to a cytoclasis to release whole nutritional ingredients and medicinal effect ingredients which are easy to digest and use by human bodies, and problems that the black funguses are hard and not suitable for being chewed, digested and used are solved. Besides, when the black fungus puffed ultramicro powder can be mixed with foods of flours, cakes and the like, the black fungus puffed ultramicro powder has flavor and nutrition of the black funguses, and smoothing taste is increased. The method is low in production cost and suitable for industrialization production, and products are used for foods, health care foods, medicines and raw material extraction.

The invention belongs to chemical industry and waste gas process field, in particular providing a process method which mixes organic waste gas purifying and resource recovery. The specific procedure is that: make the mixed waste gas pass through a filter to be filtered, and then enters into a single-seat multilevel absorption tower and contacts with a packing layer and a liquid distribution device; when the series of the single-seat tower is 3, the second-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising the mixing liquid which is pumped in after cooled by a heat interchanger at the bottom of the adsorption tower and the mixing liquid which generates in the middle groove of the third-grade; the third-grade liquid distribution device adopts a kind of absorbent which is a mixing liquid comprising fresh absorbent, the regenerating liquid recycled by a mixing liquid separation device and the collecting liquid collected by a collecting hopper of third-grade; when the series of the single-seat tower is N and is larger than 3, all grades of absorbent from the second grade to the N minus 2 is a mixing liquid comprising a mixing liquid generated in the middle groove of the next grade and a collecting liquid collected by the collecting hopper on the same grade, the absorbent of the N minus grade is the colleting liquid collected by the collecting hopper of the N minus 1 grade, the absorbent of the N grade is a mixing liquid comprising of pumped fresh absorbent and the regenerating liquid recycled by the mixing liquid separation device. The fresh absorbent is an environment-protected organic solvent with high boiling point, strong lipophilicity and low volatility. The invention can recycle a plurality of organic infectant in waste gas, the technics procedure is simple, practical, and the operation cost is low.

The invention discloses a vegetable fat composition cosmetic with a whitening effect and a preparation method of the cosmetic. The whitening vegetable fat with the whitening effect of the cosmetic is vegetable fat without any chemical synthetic grease, mineral oil, animal oil or the like; the contained vegetable fat includes citron fruit peel oil, erythropappa branch / leaf oil, camellia japonica seed oil, oxalis vidacea oil and the like. According to the test, the whitening vegetable fat composition cosmetic disclosed by the invention is nonirritant, safe and efficient. Moreover, the vegetable fat composition cosmetic has good effects of brightening skin and improving skin hyperpigmentation, has good compatibility with the skin, and has a refreshing sweet smell on the condition that no essences are added.

The invention relates to a Chinese traditional patent medicine (the trade name being Rehmanniae Diabetes Capsule) for treating diabetes. The medicine comprises the following raw materials by weight portion: 30 to 60 portions of dwarf lilyturf tuber (also named dwarf lilyturf root), 30 to 60 portions of asparagus root (also named asparagus), 40 to 70 portions of figwort (also named radix scrophulariae), 70 to 150 portions of coptis root, 50 to 100 portions of oriental waterplantain rhizome, 20 to 50 portions of tuckahoe, 70 to 150 portions of cortex lycii radicis, 50 to 100 portions of tragacanth (also named radix astragali), 40 to 100 portions of cornus (also named cornus pulp), 30 to 60 portions of medlar, 50 to 100 portions of dry rehmanniae (also named fresh rehmanniae), 40 to 90 portions of prepared radix rehmanniae (also named prepared rhizome of rehmanniae), 20 to 60 portions of trichosanthin, 30 to 80 portions of panax, 20 to 40 portions of pilose antler and 50 to 100 portions of white muscardine silkworm. The Chinese traditional patent medicine plays a role in enhancing the sensibility of human body against insulin, reducing blood sugar and blood fat, regulating viscera and nourishing liver and kidney; moreover, the Chinese traditional patent medicine has scientific manufacturing process and can extract effective ingredients in raw materials.

A spheroidizing treater for producing spheroidal graphite cast iron is carried out by adjusting bearing rod head and dam seam and controlling iron-water and nodulizer contact. It adopts waste-heat one-step method and controls spheroidizing reactive time and strength; the spheroidizing agent consists of Mg<=20%, RE<=3% and Si<=65%. It's simple, cheap and can be used for large-scale continuous production.

The invention relates to a bovine bone marrow peptide extraction method, which comprises steps of cleaning and breaking, digesting, discharging soup, hydrolyzing, filtering, concentrating and spray-drying. With the application of the extraction method disclosed by the invention, problems on the effective absorption and utilization of macromolecular protein in human body are effectively solved, and micromolecular transformation and extraction of the protein are achieved. Bovine bone marrow peptide, as a micromolecular peptide substance extracted from bovine bone marrow through biological enzymolysis, is extra-strong in activity of an essence ingredient, and the essence ingredient is quite easy for human absorption, so that human immunity can be comprehensively regulated. The bovine bone marrow peptide disclosed by the invention, as a quite clear nutrient substance, is free from chemical ingredients and hormones and is free from toxic and side effects to human body; the bovine bone marrow peptide can rapidly dissolve in water without stirring; a water solution of the bovine bone marrow peptide is represented as a clear and transparent liquid in white or light yellow, and the water solution is free from the precipitation of impurities or precipitates; and the bovine bone marrow peptide plays an important role in such physiological activities as human's growth, development, metabolism, reproduction and the like.

The invention discloses a method and device for immobilizing CO2 in industrial tail gas by enhancing mineral carbonation. The device comprises a packed column absorber, a mineral leaching tank, a carbonation reactor and a belt type filter. The method comprises the steps of: enabling the industrial tail gas containing CO2 to enter the packed column absorber filled with immobilization carbonic anhydrase, rapidly transforming the CO2 into HCO3<-> under the catalysis action of the carbonic anhydrase; with a weak acidic solution containing the HCO3<-> as a mineral leaching agent, effectively leaching calcium ions from minerals in the mineral leaching tank under the action of ultrasonic waves to form a slurry enriching Ca<2+>; introducing the slurry enriching Ca<2+> into the carbonation reactor, adding a calcium-containing alkali material, regulating the pH of the slurry to be 7-9 to ensure that the HCO3<-> is transformed into CO3<2->, and generating a carbonation reaction with the Ca<2+> leached from the minerals to generate CaCO3. The invention can promote the CO2 to be rapidly transformed into the HCO3<->, can promote the calcium ions to be leached from the minerals and the carbonation reaction, and further realizes that the CO2 in the industrial tail gas is immobilized through direct carbonation under normal pressure.

The invention provides an additive for balancing the gastrointestinal health of animals, which is prepared by absorbing 3 to 15 percent of tributyrin, 21.5 to 52.5 percent of lactic acid and 3.5 to 7.5 percent of formic acid with special carrier white black carbon by grade and layer respectively and then combining the mixture with 1 to 10 percent of glutamine. The additive has the effects of controlling diarrhea and accelerating restoration of injured intestinal tract, and starting from a philosophy of balancing the relationship between the gastropore and the intestinal tract, saving resources, reducing environment loads and improving quality of livestock products, a comprehensive gastrointestinal health management scheme is provided.

The invention discloses a terahertz converter capable of realizing power-absorbing mode and polarization conversion mode switching. The terahertz converter is composed of two graphene layers, one metal polarization conversion metasurface layer, one metal reflecting layer and three medium layers; each graphene layer is composed of an electrode layer and a graphene meta-surface layer adhered on an upper surface of the electrode layer; bias voltage V1 is applied between the graphene metasurface layer of one graphene layer and the electrode layer so as to adjust the Fermi energy EF1 of the graphene layer; and meanwhile, the bias voltage V1 is applied between the graphene metasurface layer of the other graphene layer and the electrode layer so as to adjust the Fermi energy EF2 of the graphene layer; when one of the Fermi energy EF1 and / or Fermi energy EF2 exceeds a switching threshold, the terahertz converter works at a power-absorbing mode; or the terahertz converter works at a polarization conversion mode. The terahertz converter provided by the invention can solve the problem that the single device cannot realize the polarization conversion and the power absorption at the same time.

The invention provides a background absorption correction method for CODcr measurement. The background absorption correction method comprises the following steps of carrying out pretreatment, digestion and cooling of a sample, respectively detecting sample absorbance values at wavelengths of 440+ / -20nm and 600+ / -20nm, calculating an amount of absorbance variation caused by background absorption according to an absorbance balance formula, deducing characteristic absorbance values at wavelengths of 440+ / -20nm and 600+ / -20nm respectively according to a correction formula of absorbance at a wavelength of 440nm and a correction formula of absorbance at a wavelength of 600nm, and deducing a chemical oxygen demand (COD) value of the sample according to the characteristic absorbance values. The background absorption correction method for CODcr measurement can correct CODcr measurement interference caused by background absorption, effectively improve sensitivity, accuracy and repeatability of CODcr measurement, widen a linear range of and CODcr measurement, and especially improve technical indexes such as low-range measurement accuracy and the like.

The invention discloses a cosmetic composition for whitening. The composition is prepared from the following components: chamomile extract, saussurea involucrate extract, beet root extract, gynostemma pentaphylla extract, glutamic acid, yeast extract, salicylic acid, ascorbyl glucoside, resveratrol, glucosamine, L-asparaginic acid, vitamin E, pitaya enzyme, lecithin, caprylocaproyl macrogolglycerides, 1,2-propylene glycol, isopropyl myristate and deionized water. The cosmetic composition for whitening disclosed by the invention is high in using safety, stability and attractive appearance, has slight skin irritation, does not have any oily feel and can rapidly penetrate into the skin to achieve a whitening effect. The invention also discloses a method for preparing the cosmetic composition for whitening. The method is simple in process steps and low in preparation cost and does not have any special equipment requirement, and the prepared product is high in stability and attractive in appearance.

The invention relates to the technical field of seeding, and discloses an astragalus seeding machine, which comprises a frame, wherein a seeding pipe is fixedly connected on the frame; a feeding holeis arranged on the seeding pipe; the seeding pipe is threaded with a plowing rod; a drill bit is arranged on the plowing rod; the drill bit comprises two drill plates hinged at the end part of the plowing rod; the end parts of the two drill plates are butted against each other, and a wedge block is hinged at the end part of the seeding pipe; a cavity is formed in the plowing rod, a through hole isformed in the plowing rod, a water tank and a piston cylinder are fixedly connected on the frame, a piston is slidably connected in the piston cylinder, a piston rod is fixedly connected on the piston, the plowing rod is provided with a sliding groove in the axial direction of the piston rod, the end part of the piston rod is slidably connected in the sliding groove, an air bag is fixed on the frame, a pressure valve is arranged between the air bag and the seeding pipe, one side of the piston cylinder communicated with the water tank is communicated with the cavity, the other side of the piston cylinder is communicated with the air bag, and a first one-way valve is arranged between the piston cylinder and the air bag. According to the invention, the plowing, fertilizing and watering can be carried out before seeding, and favorable conditions for the growth of the seeds are improved.

The invention discloses an artificial incubation and artificial brooding method for pelicans. The measures that the incubation temperature and the incubation humidity of pelican eggs and the temperature and the humidity of the growing environment of the young pelicans are controlled, and probiotics, digestive enzymes, vitamins, microelement and the like are added in a feed formula of the young pelicans are taken, so that the incubation rate of fertilized eggs is as high as 90%, the dead egg and developmental malformation rate is reduced to lower than 5%, the survival rate of the young pelicans in sixty days is higher than 80%, the nutritional requirement of the young pelicans is met through feeds, the feeds are easy to digest and absorb, and the survival rate of the newborn young pelicans in 0-20 days is as high as 85%.

The invention relates to a VOC (volatile organic compound) gas recovery system which comprises a storage tank used for storing an organic liquid, and further comprises a compressor, a buffer tank, a condenser, an air heat exchanger, a membrane separator, a filter and a condensed liquid tank, wherein an organic vapor volatilized from the storage tank is compressed by the compressor; the compressed vapor enters the condenser containing cooling water after passing through the buffer tank; part of macromolecular organic materials are condensed into a liquid I; the liquid I enters the condensed liquid tank; while gaseous substances which are not condensed enter the air heat exchanger to rise environmental temperature by heating air and enters the membrane separator; organic gas molecules in the gaseous substances return to the storage tank through a molecular membrane return pipeline, while other nitrogen-containing gas meeting emission requirements is filtered by the filter, and the filtered gas is emitted into the atmosphere. According to the VOC gas recovery system, gas volatilized from the organic liquid stored in the storage tank is recovered through tertiary treatment of condensation, membrane separation and filtration, so as to ensure that the nitrogen-containing gas emitted into the atmosphere confirms to the emission standard.

The invention discloses a binode solar battery and a preparation method thereof. The binode solar battery comprises a first conduction type substrate; a light-receiving surface second conduction type layer and a medium passivation layer which are sequentially arranged on the light-receiving surface of the first conduction type substrate, wherein the surface of the medium passivation layer is a matte surface; a back light surface second conduction type area and a back light surface first conduction type area which are alternately formed on the back light surface of the first conduction type substrate; a first electrode which is formed on the light-receiving surface second conduction type layer; a second electrode which is formed on the back light surface second conduction type area; a third electrode which is formed on the back light surface first conduction type area; and a back light surface insulating medium layer which is formed between the second electrode and the third electrode. By adopting the invention, the contradiction between sufficient light absorption and limited diffusion distance of a small amount of current carriers is avoided, and the inconsistent contradiction between the light absorbing area and the current carrier collecting area of back contact battery is avoided, thereby improving the battery efficiency.

The invention relates to a method for treating the cyaniding gold extraction waste liquid to recover gold, silver and copper by use of acid making waste gas, belonging to the technical field of gold smelting, waste gas treatment of chemical industry and environmental protection. The method for treating the cyaniding gold extraction waste liquid to recover gold, silver and copper by use of acid making waste gas provided by the invention comprises the following steps: roasting a sulfur-containing mineral; making acid to generate acid making tail gas; roasting gold concentrate or gold-containing sulfide mineral, and performing roasted sand cyaniding gold extraction to generate cyaniding gold extraction waste liquid; and treating the cyaniding gold extraction waste liquid by use of the acid making tail gas. The method provided by the invention makes use of smoke acid making tail gas and cyaniding gold extraction waste liquid, the valuable elements gold, silver and copper in the cyaniding gold extraction waste liquid are recovered after acid-base neutralization precipitation, and the pollution of the surrounding environment caused by the cyanogen-containing sewage is eliminated; moreover, after being treated, the cyaniding gold extraction waste liquid returns to the system for recycling, thereby improving the comprehensive utilization of resources.

The invention discloses a closed three-dimensional pull rope type wave energy storage device. The closed three-dimensional pull rope type wave energy storage device comprises a closed floater and at least two heavy balls, wherein anchor chains are respectively connected to the lower ends of the heavy balls, wire ropes are respectively connected to the upper ends of the heavy balls, an equipment cavity and an energy storage cavity which are isolated each other in a sealing mode are formed in an inner cavity of the floater from top to bottom, at least two groups of oscillation rocker pumping devices are installed in the equipment cavity in an axisymmetric mode by using the vertical center axis of the equipment cavity as a symmetric axis, rope guide tubes which are uniformly distributed along a circumferential direction and correspond to each group of the oscillation rocker pumping device penetrate through the energy storage cavity, the upper ends of the wire ropes respectively penetrate through the rope guide tubes and are connected with the corresponding oscillation rocker pumping devices, and the oscillation rocker pumping devices are driven to continuously pump compressed air into the energy storage cavity so as to be stored by the tensile strength change of the wire ropes. The invention further discloses a closed three-dimensional pull rope type wave power generation device. The closed three-dimensional pull rope type wave energy storage device and the closed three-dimensional pull rope type wave power generation device have the advantages of simple structure, reliability in transmission, high corrosion resistant capability, simplicity in maintenance, good adaptability and the like, and movable joints are not soaked in seawater.

The invention relates to a wave power generation device, discloses a wave power generation device having a funnel-shaped moon pool structure and aims to solve problems of poor energy collection effect, low wave energy utilization rate, high construction cost and poor stability of wave power generation devices in the prior art. The wave power generation device comprises a moon pool device, a floating body device and a power generation device body, wherein the moon pool structure comprises an upper moon pool cover, a first sleeve and a second sleeve which are sequentially arranged from top to bottom; the diameter of the first sleeve is larger than that of the second sleeve; the first sleeve and the second sleeve are connected by the aid of a circular ring; the power generation device body is arranged at the upper end of the upper moon pool cover; the lower end of the floating body device is arranged in an area enclosed by the upper moon pool cover, the first sleeve and the second sleeve; and the upper end of the floating body device is connected with the power generation device body. The power generation device can effectively solve the problems of low absorption and capture efficiency, low wave response speeds, huge wave power generation device capture structures and the like of existing wave power generation devices.

The invention relates to the technical field of personal sanitary products, in particular to a disposable moisture-absorbing product for absorbing liquid excrement. The disposable moisture-absorbing product comprises a liquid-permeable top player, a liquid-tight bottom layer and an absorptive layer, wherein the absorptive layer is arranged between the liquid-permeable top layer and the light-tight bottom layer, and can be used for absorbing and accommodating liquid; at least one absorptive layer comprises multiple absorbing hole layers; the absorbing hole layers are provided with a plurality of absorbing holes; the absorbing holes in adjacent absorbing hole layers are formed in a staggered way. According to the disposable moisture-absorbing product, the absorbing hole layers provided with the absorbing holes are provided, and the plurality of hole layers can be better laminated, so that the glue dosage is reduced, and the softness of the product is increased. Super absorbent polymers are uniformly distributed in the plurality of hole layers, so that the dryness of the product is more uniform. The liquid excrement flows into the absorbing holes, and is temporarily stored in the absorbing holes and absorbed by the absorbing hole layers, so that the problem that a part of excessive liquid excrement is not absorbed and leaks is solved.

An embodiment of the invention provides a protein polypeptide based selenium nanoparticle and a preparation method thereof. The selenium nanoparticle comprises elemental selenium and protein polypeptide, and the elemental selenium is coated with the protein polypeptide. The average particle size of the selenium nanoparticle is smaller than 300nm under the action of dispersion stability of the protein polypeptide, and the problem that selenium nanoparticles in the prior art are large in particle size, insufficient in stability and not beneficial to absorption and utilization is solved. A methodfor preparing elemental selenium by adopting natural reducing amino acid namely L-cysteine (Cys) as a reducing agent is further provided.

A patch for treating rheumatic tendon and bone pain is prepared through making viscose soft cake as carrier with glutinous rice flour, helogen powder and water while gradually adding 13 active components to said soft cake, such as medicine powder, far infrared powder, Azone and 10 Chinese-medicinal materials including vomiting nut, Sichuan aconite root, etc. Its advantages are high curative effect, quickly taking its effect, high cure rate and no irritation and pollution.

The invention discloses a composite sugar alcohol organic liquid and a preparation method thereof and belongs to the technical field of composite fertilizer. The composite sugar alcohol organic liquid is prepared from the following ingredients (by weight): 5-9 parts of liquid sorbitol, 0.5-1.5 parts of liquid xylitol, 1-3 parts of liquid mannitol, and 0.3-0.8 part of medium trace element mixture. The medium trace element mixture is composed of, by weight, 2-4 parts of zinc salt, 2-4 parts of calcium salt, 2-4 parts of magnesium salt, 0.5-1.5 parts of manganese salt, 2-4 parts of borax, 0.5-1.5 parts of ferric salt, 0.5-1.5 parts of copper salt and 0.5-1.5 parts of ammonium molybdate. The invention discloses a preparation method of the composite sugar alcohol organic liquid. The composite sugar alcohol organic liquid is used for treating trace element deficiency of green plants in agricultural production. The trace element of the organic liquid is in a chelated state. Thus, the technical problem of less and slow absorption of trace element by plants is solved.

The invention provides a cultivation method of selenium-rich kumquats and belongs to the field of agricultural planting. The cultivation method specifically includes: firstly, selecting the land fit for growth of the kumquats for soil preparation; selecting suitable kumquat seedlings for planting and applying base fertilizer prepared from self-made organic fertilizer, phosphate fertilizer and potash fertilizer in planting pits before planting, wherein the self-made organic fertilizer is prepared from mixed fermentation of kumquat rotten branches, red-pine rotten branches, peanut meal, pineapple leaves, spartina alterniflora loisel, sweet photo vines, charcoal dust, pomegranate bark, pig manure and a rush corrosion inhibitor; irrigating planting water after the seedlings are transplanted to the land; performing reasonable field management till harvest of fruit. With the cultivation method, percentage of fertile fruit of the kumquats can be increased, the fertilizer is saved, the yield is increased, selenium content in the fruit is increased, nutrition value of the products is increased, and the method is suitable for large-scale systematic planting and can increasing the yield and income of farmers.

The invention discloses a silver iodide nanoparticle-modified bismuth tungstate heterojunction photocatalyst and a preparation method and application thereof. The photocatalyst uses three-dimensionalmicro-spherical bismuth tungstate as a carrier; the carrier is modified with silver iodide nanoparticles; the mass ratio of the carrier to the silver iodide nanoparticles is (0.05-0.4):1. The preparation method includes: preparing three-dimensional micro-spherical bismuth tungstate mixed solution, mixing the solution with an Ag+-containing substance, allowing dark reaction to proceed for 30-60 min, adding iodides, continuing to carry out black reaction for 1-1.5 h, centrifuging, washing, and drying to obtain the photocatalyst. The photocatalyst has the advantages of environmental friendliness,large specific surface area, good catalytic oxidative activity, high separation efficiency of photo-generated carrier, good reusability and the like; the preparation method has the advantages of goodsimplicity, controllable reaction conditions and the like. The photocatalyst is widely applicable to the degradation of organic wastewater, can effectively degrade organic matters in the wastewater,and has a good practical application prospect.

The invention discloses a method for removing carbon dioxide from a hydrogen sulfide acid gas by using a buffer solution and belongs to the technical field of decarburization. The method comprises the following steps of: firstly carrying out mixing reaction on a buffer solution containing sodium hydroxide and sodium bicarbonate and a nondecarburized hydrogen sulfide acid gas to absorb carbon dioxide and part of hydrogen sulfide in the acid gas so as to obtain decarburized rich liquid containing sodium bicarbonate and sodium hydrosulfide; then heating the decarburized rich liquid, so that sodium hydrosulfide in the decarburized rich liquid is subjected to a hydrolysis reaction and is converted into sodium hydroxide, sodium hydroxide produced by the hydrolysis reaction reacts with free alkali and sodium bicarbonate in the decarburized rich liquid to produce sodium carbonate, carbon dioxide in the acid gas is finally converted into a sodium carbonate salt to be fixed and hydrogen sulfide produced by the hydrolysis reaction is absorbed into the acid gas. By using the method, carbon dioxide can be effectively removed from the acid gas and converted into a useful product of sodium carbonate salt and the decarburization rate reaches 60%-90%.

The invention discloses a gold@zinc oxide nuclear shell heterojunction film and a preparation method and application thereof. According to the gold@zinc oxide nuclear shell heterojunction film, 1-dodecanethiol is adopted for conducting surface hydrophobic treatment on gold@zinc oxide nuclear shell heterogeneous composite nano particles firstly, then the gold@zinc oxide nuclear shell heterogeneous composite nano particles subjected to surface hydrophobic treatment are dispersed in n-butyl alcohol, a single-layer nano particle array is prepared through a gas-liquid interface self-assembly method and then fished up through a substrate, and thus the ordered single-layer gold@zinc oxide nuclear shell heterojunction film is obtained. The gold@zinc oxide nuclear shell heterojunction film can be used as a working electrode in photo-electrochemical decomposition water, and has excellent photo-electrochemical hydrogen production capacity and good photoelectric stability, the technical problems that existing single zinc oxide nano particles can only absorb ultraviolet light and are low in catalytic reaction efficiency can be solved, and the situation that gold is separated from zinc oxide is avoided in actual application.

The invention discloses a feed for suckling piglets. The feed comprises, by mass, 30-70 parts of corn, 10-30 parts of soybean meal, 5-20 parts of fish meal, 5-20 parts of whey powder, 5-10 parts of rice protein powders and 1-3 parts of compound premix. The feed is prepared by the following steps that (1) corn and soybean meal are mixed with water and then the mixture is crushed to 40-80 mesh usinga colloid mill to obtain a mixture A; (2) the mixture A is placed in a bucket, protease is added to the mixture A, and enzymatic hydrolysis of the mixture A is carried out for 5 to 6 hours to obtainan enzymolysis product B; (3) after the enzymolysis is completed, the temperature of the bucket is heated to>=60 DEG C to promote protease inactivation. As macromolecules in the corn and the soybean meal are decomposed into small peptides and amino acids by enzymolysis, and allergic proteins and anti-nutritional factors in the soybean meal are eliminated simultaneously, diarrhea caused by allergicreactions and anti-nutritional factors in early weaned piglets is reduced.

The invention provides a GF-3 anti-radiation coating which comprises five types of metal compounds including ferric oxide, tungsten powder, rectorite ore, barium sulfate and ferric sulfate, and the GF-3 anti-radiation coating is prepared by mixing the five types of metal compounds with cement, borax and diatom ooze, wherein the ferric oxide accounts for 14 wt%-22 wt%, and the granularity is 0.1 mm-1.3 mm; the tungsten powder accounts for 3 wt%-6 wt%, and the granularity is 0.1 mm-1.3 mm; the rectorite ore accounts for 4 wt%-10 wt%, and the granularity is 100 meshes-200 meshes; the barium sulfate accounts for 30 wt%-40 wt%, and the granularity is 0.1 mm-2.0 mm; the ferric sulfate accounts for 0.5 wt%-1.5 wt%; the cement accounts for 15 wt%-18 wt%, the borax accounts for 1.0 wt%-1.5 wt%, and the diatom ooze accounts for 10 wt%-20 wt%.According to the GF-3 anti-radiation coating, the diatom ooze is added, the proportion of all components is improved, viscosity of the anti-radiation coating is improved, construction can be more convenient, radiation absorptivity of the anti-radiation coating is improved, the anti-radiation effect is better, and the defect that existing anti-radiation coating is low in viscosity and low in radiation absorptivity is overcome.