180results about How to "Reasonable material selection" patented technology

The invention provides a large-scale multifunctional corrosion stimulation test rack taking a test circular road as a main part, which is used for simulating the corrosion condition of high acid natural gas containing H2S, CO2 and Cl on a pipeline parent metal and a welded joint under the pipeline transmission condition. The device and the method provided by the invention can be applied to pipeline parent bodies with different pipe diameters, materials, steel grades and wall thicknesses, or a welded joint corrosion test; and test functions such as test on corrosion of the pipe section parent metal and the welded joint, sulfide stress cracking (SSC), hydrogen induced cracking (HIC), washout, corrosion inhibitor effect, welding process evaluation, corrosion monitoring method comparison, pipeline-corrosion-preventing process optimization and the like are integrated into a whole; and the test functions, such as preference of the corrosion process in the pipeline are integrated into a whole, thus reasonable material selection and safe welding quality are guaranteed, and the corrosion condition of the corresponding corrosion condition on the welded joint and the parent metal is known.

A functional health-care beverage for elongating life of man and taking care of the health of man is prepared from the grains wine and 43 Chinese-medicinal materials including ginseng, pilose antler, genoderma, cordyceps, etc.

The invention provides molten-slag-resistant spray paint for a ladle. The molten-slag-resistant spray paint comprises the following components in percentage by weight: 70-80 percent of aggregate, 16-25 percent of a bonding agent, 1-10 percent of a molten-slag-resistant functional additive and 0.01-1 percent of an additional additive, wherein the bonding agent is a composite bonding agent, and comprises silica powder, silicate cement, sodium silicate powder and bentonite. A method for applying the spray paint comprises the following steps: firstly, preparing a mixture in the weight ratio; secondly, adding water in an amount of 5-8 percent based on the weight of the mixture under strong stirring; and lastly, spraying the mixture onto a molten slag resisting position on the ladle through a spray gun. Compared with the prior art, the molten-slag-resistant spray paint provided by the invention has the advantages of high strength, high molten slag resistance, molten slag erosion resistance, oxidation resistance and high thermal shock resistance. Moreover, a waste sliding plate reclaimed material is taken as a main component for the aggregate of the molten-slag-resistant spray paint, so that the production cost of the molten-slag-resistant spray paint is lowered greatly, and high comprehensive benefit is achieved.

The invention discloses a high-temperature-resistant and high-salt-resistant fine gel particle as a profile control agent as well as a preparation method and an application of the fine gel particle. The preparation method of the fine gel particle comprises the following steps of firstly, adding modified starch, a monomer A, a monomer B, a crosslinking agent, an initiator and an accelerant into a reaction kettle according to a certain ratio; and after finishing the polymerization reaction of the six components to form integrated water-based gel, drying, crushing, granulating, screening and performing other process steps to obtain the fine gel particle. The application method of the high-temperature-resistant and high-salt-resistant fine gel particle is as follows: a certain quantity of fine gel particles prepared by using the preparation method are added into a Bingham fluid, the gel particles can be stably suspended without settling under static and dynamic conditions, and then, the whole fluid is injected to the stratum by means of pumping pressure. By using the high-temperature-resistant and high-salt-resistant fine gel particle and the application method thereof, disclosed by the invention, the construction success rate of the gel particle can be greatly increased, and a favorable deep profile control effect can be achieved.

The invention relates to a fastener used by a railway track, which comprises a track pitch baffle, a baffle base and an insulation track pitch block. The technical proposal is that: prepreg of thermoplastic resin composite is taken as the base material and is cut to be shaped; after being preheated, pulled, pressed, solidified and shaped, the material is made into insulation components of the track. The prepreg of thermoplastic resin composite refers to prepreg composite obtained by combining the thermoplastic resin and nemaline reinforced material; the thickness of the prepreg of thermoplastic resin composite is ranging between 0.1 mm-0.6mm, and the proportion of the reinforced material inside the prepreg of thermoplastic resin composite is 20-40 percent of that of the thermoplastic resin. The invention is characterized by great strength and modulus, good size stability, lasting static resistance, small friction coefficient, wear resistance, long service life, etc.

The invention discloses a method for manufacturing GaN-based LED using a CNT thin film as a transparent conducting electrode, comprising growth of epitaxial layers of semiconductors, manufacturing of the transparent conducting electrode of the CNT thin film on the surface of a p-shaped GaN layer, manufacturing of two dimensional CNT thin film photonic crystal, formation of N-shaped metal electrode and manufacturing of P-shaped electrode. The method can effectively improve the light extracting rate of the front of LED and simultaneously solve the problem that the transparent conducting electrode contacts ohm of P-GaN. In terms of technique, materials of electrode are reasonably selected and nano-imprint technique is adopted, therefore, the method is characterized by low manufacturing cost and high production efficiency and grating resolution.

The invention relates to a watertight packaging type ultrasonic cleaning transducer which solves the problems of proneness to damage, difficulty in maintenance, low cleaning efficiency and the like of existing cleaning transducers. The transducer comprises a front cover plate, a rear cover plate, a positive electrode plate, a negative electrode plate, a first annular piezoelectric ceramic piece and a second annular piezoelectric ceramic piece, wherein the positive electrode plate, the negative electrode plate, the first annular piezoelectric ceramic piece and the second annular piezoelectric ceramic piece are locked between the front cover plate and the rear cover plate through a prestressing screw rod. The positive and negative electrode plates are connected with wires which are serially connected with a matching inductor. A sealing layer composed of poly propylene glycol ether polyurethane rubber is poured outside the integral structure, and the thickness h of the sealing layer packaged on the front end face of the front cover plate is one quarter of wavelength of sound waves given out by the transducer. The watertight packaging type ultrasonic cleaning transducer is reasonable in material selection, simple in sealing process, low in cost, high in reliability, easy to maintain and convenient for arraying, and further, the matching inductor is added, so that energy sources are saved, and cleaning efficiency is improved.

The invention relates to ultraviolet ray and infrared ray adsorption blue transparent glass, which is formed by that Fe2O3 and CeO2 are added in dry SiO2 and other auxiliary materials, and then the glass is directly fired under the high-temperature melting and low-temperature annealing processes, and the glass is blue and transparent; Visible light transmittance of the glass with 2mm is more than 70 percent, the transmittance of the ultraviolet rays with 200nm-390nm can be reduced to 10-7, the transmittance of the infrared rays with 780nm-1300nm is reduced to 10-6, and the transmittance of the infrared rays with 1300nm-2000nm is reduced to 10-5. The ultraviolet ray and infrared ray adsorption blue transparent glass has low cost, can completely achieve the technical data of vacuum coated glass with Europe and America technology, which is applied to eyesight protection glass products, and can thoroughly overcome the low oxidation resistance, ageing resistance and friction resistance of the vacuum coated glass and is mainly applied to the eyesight protection glass products such as arc welding mask lens, spectacle lens, computer screens, television screens and the like.

The invention discloses an all-solid-state lithium-air battery and a preparation method and application thereof. The all-solid-state lithium-air battery provided by the invention comprises a lithium metal anode, a porous ceramic support body, a compact electrolyte thin film, a porous cathode thin film, a sealing material, a current collector and a lead, wherein the porous support body is made of garnet type lithium-ion solid electrolyte material; in an air electrode catalyst and permeation holes of the lithium metal anode, a three-phase boundary for battery reaction is expanded, and the battery polarization resistance is reduced; the thickness of the battery electrolyte thin film is smaller than 30 micrometers, a lithium ion transmission path is shortened, and the battery ohmic resistance is reduced; and the battery is a tubular structure with a closed end, the lithium metal anode is poured into a tube, and the battery is easy to seal and is easy to work in different conditions. The all-solid-state lithium-air battery prepared according to the invention has the advantages of high charging-discharging capacity, high rate performance, high cycle stability, wide working temperature range and the like, and is applicable to the field of various mobile electronic devices and power batteries.

The present invention relates to a high-activity microbial protein forage and a preparation method thereof. The microbial high-activity preparation comprises the following components: 10%-20% of photosynthetic bacteria, 20%-40% of lactobacilli, 10%-20% of Saccharomyces cerevisiae Hansen, 20%-30% of bacillus subtilis, and 10%-20% of bifidobacteria. The microbial protein forage comprises the following components: dried fish, blood powder, soybean, soybean meal, peanut meal, DDGS forage, calcium hydrogen phosphate, salt, soybean oligosaccharides, microbial high-activity preparation and vitamin composite premix. In preparation, high-temperature puffing and stirring are performed on the dried fish, blood powder and soybean. The components such as soybean meal, peanut meal and DDGS forage are added. The microbial high-activity preparation is sprayed for being added, and then vacuum packaging is performed. The microbial preparation can also be adopted for preparing mixed forage for grices. The microbial high-activity preparation of the invention can be fed directly and has high feeding safety. The microbial high-activity preparation can be widely used for ecological cultivation of livestock, poultry and aquatic product. The high-activity microbial protein forage has the following advantages: improving forage conversion rate of the pig, preventing disease and treating disease, improving survival rate, purifying environment, reducing breeding cost, obtaining obvious yield and income increasing effect, and obtaining good popularization value.

The invention provides a drug for curing gastric diseases, which relates to drugs and is characterized in that the drug is prepared from the following raw materials (part by weight): 6 portions to 12 portions of rhizoma cyperi, 6 portions to 12 portions of pinellia tuberifera tenore, 7 portions to 13 portions of rhizoma ligustici wallichii, 7 portions to 13 portions of radix bupleuri, 8 portions to 14 portions of root of herbaceous peony, 8 portions to 14 portions of rhizoma atractylodis, 5 portions to 11 portions of dried citrus peel, 5 portions to 11 portions of hovenia dulcis, 5 portions to 11 portions of common aucklandia root and 3 portions to 9 portions of licorice root. The drug can also be added with cape jasmine, coptis chinensis, ginger, etc. All the drug materials cooperate to get the effects of dispersing cold and spasmolysis, promoting Qi circulation and relieving pain, conciliating the interior and the exterior, invigorating the spleen and strengthening the stomach. The drug has the obvious effects that: the drug takes the theory of addressing both the symptoms and the root causes in traditional Chinese medicines as the guidance, is reasonable in material selection, simple in preparation, low in cost, convenient and instant for use, small in side effect, quick and good in curative effect. Through the treatment and observation of 312 suffers by adopting the drug provided by the invention for curing the gastric diseases, the general effective rate is up to 98.4 percent.

The invention relates to a health beverage with functions of strengthening stomach and relieving summer-heat and preparation method thereof, belonging to the health beverage technology field. For overcoming the problems existing in current technologies, the present invention provides the technical schemes that: a health beverage with functions of strengthening stomach and relieving summer-heat is made from the following raw materials by the weight proportions of: wild jujube 60-80 parts, haw 100-300 parts, lotus leaf 7-8 parts, chrysanthemum 6-8 parts, flavoring agent and proper amount of pure water 4000-5000 parts; the adopted preparation method comprises: 1, raw material preparation: preparing the raw materials according the above proportions, and cleaning them; 2, water extraction: socking and extracting the lotus leaf and chrysanthemum by boiling water, adding the wild jujube and haw, and socking and extracting by warm water; 3, product finishing: coarsely filtering, adding flavoring agents, fine filtering and sterilizing.

The invention provides a hydraulic system for a deep ocean operation type underwater robot and belongs to the field of underwater robots. In order to solve the problems that an existing hydraulic propulsion system has poor control performance, complex equipment and high maintenance cost, the hydraulic system for the deep ocean operation type underwater robot is provided. The hydraulic system comprises a fuel tank, a power source, a propeller valve box, a mechanical arm servo valve box, a mechanical arm solenoid valve box, a tool valve box, a control system, a drive module and a high-voltage electricity conversion system. The power source sucks hydraulic oil in the fuel tank out and the hydraulic oil is sequentially conveyed to the propeller valve box, the mechanical arm servo valve box, the mechanical arm solenoid valve box and the tool valve box through a hydraulic element and an oil supply pipeline. The high-voltage electricity conversion system supplies power to the power source and the control system, and the control system is electrically connected with the propeller valve box, the mechanical arm servo valve box, the mechanical arm solenoid valve box and the tool valve box through the drive module. The hydraulic system for the deep ocean operation type underwater robot provides a universality solution for a power system for the deep ocean operation type underwater robot.

The invention discloses a welding method for prolonging service life of a high-strength metal shell, which adopts high-strength anti-wearing steel CiNiMo as a welding substrate. The welding method comprises the following steps of: preparing before welding, carrying out tack welding, pre-heating a welding piece, carrying out welding construction, polishing and carrying out nondestructive testing. The welding method disclosed by the invention is suitable for welding a large-sized piece of low-middle carbon alloy high-strength steel; the welding production rate is high and the anti-cracking performance is good; the welding deformation is small; the welding method has the advantages that selected materials are reasonable and have higher strength; welding current is controlled in a certain range and the occurrence possibility of crack defects is reduced; and with the adoption of the welding method disclosed by the invention, hydrogen removing treatment is carried out after the welding, residual hydrogen in a welding connector is dispersed and escaped in time, and the generation of delaying cracks is reduced.

The invention relates to a special Half-type communication cable protection sleeve for seafloor. The special Half-type communication cable protection sleeve comprises the following components in parts by weight: 100 parts of polyvinyl chloride or chlorinated polyvinyl chloride or a mixture of both, 3-5 parts of stabilizer, 5-15 parts of toughening agent, 2-3 parts of processing aid, 1-2 parts of lubricant, 3-5 parts of biological repellent and 5-10 parts of acid and alkali resistant modifier; or the chlorinated polyvinyl chloride comprises the following components in parts by weight: 100 parts of polyolefin, 5-15 parts of toughening agent, 3-5 parts of biological repellent and 5-10 parts of acid and alkali modifier. When the special Half-type communication cable protection sleeve is manufactured, all materials, expect the acid and alkali resistant modifier, are blended and extruded to obtain the Half-type communication cable protection sleeve, and then the acid and alkali resistant modifier is sprayed on the outer surface of the protection sleeve, wherein the spraying thickness is 0.3-2mm. The special Half-type communication cable protection sleeve is reasonable in material selection and is suitable for protecting communication cables in the seafloor, a seafloor mounting process is simplified and requirements of complicated seafloor conditions are met.

The invention relates to a production method for the construction materials, in particular to an energy-saving decoration composite panel, which comprises two steps; wherein, the first step is the pretreatment: a panel is pretreated depending on the material of the panel; a decoration protective layer is coated on the surface of the panel; the second step is compound: the adhesive is coated on the two surfaces of a heat insulation plate of the first layer; then one surface is compounded with the panel and the other surface is compounded with one surface of a metal reinforced layer; the other surface of the reinforced layer is compounded with a heat insulation plate of the second layer coated with adhesive on one surface, finally the panel is compressed tightly and shaped with a board pressing machine. The invention has the advantages of simple technology method, industrial production, combination of the panel, the heat insulation plate and the metal reinforcing plate, coated protective layer for the panel paint film depending on the material and the decorative patterns, rational material choosing for the decoration protective layer, excellent decorative property, good weatherability, high self-cleaning performance, good product quality of industrial production, good performance, and high productivity.

The invention discloses a cable insulation material of wearproof modified phenolic resin. The cable insulation material is prepared from, by weight, 32-36 parts of polyvinyl chloride, 30-34 parts of modified phenolic resin, 11-15 parts of silicone rubber, 4-8 parts of an ethylene-vinyl acetate copolymer, 2-6 parts of ethylene acrylic grafted maleic anhydride, 3-7 parts of an ethylene-vinylacetategrafting maleic anhydride copolymer, 1-5 parts of sodium stearate, 5-9 parts of aramid short fiber, 6-10 parts of montmorillonite, 2-6 parts of paraffin, 4-8 parts of nano-polyacrylate modified magnesium hydrate, 2-6 parts of nano calcium carbonate, 3-7 parts of nano boron nitride, 1-5 parts of microcrystalline cellulose, 2-6 parts of silane coupling agent, 4-8 parts of wearproof powder, 5-9 partsof talcum powder, 2-6 parts of zinc oxide whiskers, 1-5 parts of graphene, 1-5 parts of fullerene, 3-7 parts of antioxygen, 5-9 parts of fire retardant and 6-10 parts of filling fine materials. The wearproof performance and the fire resistance of the cable insulation material are improved, and the service life of a cable can be guaranteed.

The invention discloses a compound feed for piglets. The compound feed comprises the following raw materials in parts by weight: 50-80 parts of corn, 1-10 parts of bran, 3-30 parts of soybean meal, 0.8-2 parts of soybean oil, 0.8-2.5 parts of fine stone powder, 0.8-2.5 parts of calcium hydrophosphate, 0.1-1.2 parts of amino acid, 0.1-0.8 part of vitamin premix and 0.3-1.2 parts of trace mineral premix. According to the compound feed for the piglets, safety is achieved during use, the compound feed does not contain any prohibited additive, the conversion rate of the feed is improved, the growing speed of the piglets is increased, the meat quality is improved, and feed cost is reduced, and the compound feed for the piglets has excellent promotional value.

The invention relates to a lining structure of a rare earth electrolysis cell, and the electrolysis cell. The lining structure comprises a bottom lining and a side lining, wherein the bottom lining comprises a ceramic fiber layer, a bottom refractory layer, an impermeable layer and a graphite layer which are sequentially stacked from bottom to top; the side lining is arranged in a manner of surrounding the bottom lining; the side lining extends upwards to achieve the space above the top surface of the graphite layer; and the bottom lining and the side lining are combined and encircled to forma cavity allowing an electrolysis reaction to be carried out. The lining structure of the rare earth electrolysis cell is reasonable in structural material selection and layout, and the electrolysis cell is high in heat balance performance, and capable of effectively reducing heat loss; a hearth of the electrolysis cell is easier to form due to the use of a silicon carbide protection layer with high heat conductivity, so that a side heat-insulation material of the electrolysis cell is much effectively protected; and in addition, a cylindrical cathode is adopted, so that the phenomenon that a current density is high at the cathode and low at an anode is more obvious, and an electrolysis reaction area is effectively enlarged.

The invention discloses a method for preparing a whole-grain nutritional breakfast food. The method comprises the following steps: (1) preparing corn, brown rice, sticky rice, black rice, wheat germ, whole wheat, a malt extract, a peanut kernel, beans, sesame, white granulated sugar and milk powder according to the ratio; (2) preprocessing raw materials; (2-a) puffing the corn, the brown rice, the sticky rice, the black rice and the wheat germ to obtain puffed rice after mixing; (2-b) crushing the whole wheat to obtain whole wheat flour, adding the malt extract and water to the whole wheat flour, stirring to obtain slurry, tabletting and drying the slurry to obtain maize flakes; (2-c) frying the peanut kernel, the beans and the sesame, and then spraying an antioxidant solution, mixing and grinding the white granulated sugar, the peanut kernel, the beans and the sesame to obtain mixed powder; (3) mixing, evenly mixing the puffed rice, the maize flakes, the mixed powder and the milk powder. The whole-grain nutritional breakfast food prepared by the method is comprehensive and balanced in nutrition, and has good mouthfeel and food safety.

The invention discloses an uvioresistant and radiation-resistant polyethylene cable material formula. The uvioresistant and radiation-resistant polyethylene cable material formula is composed of following raw materials including, by weight, 40-50 parts of polyethylene, 8-15 parts of polypropylene, 5-10 parts of DOP materials, 2-3 parts of sodium stearate, 5-6 parts of zeolite, 4-8 parts of fumed silica, 2-5 parts of chlorinated paraffin, 1-5 parts of ultraviolet light absorbers, 1-4 parts of conductive fibers, 2-6 parts of coupling agents, 2-4 parts of carbon fibers, 1-3 parts of nano-barium sulfate, 3-8 parts of POE elastomer flexibilizers, 3-6 parts of antioxidants, 2-4 parts of gamma-ray absorbers, 5-8 parts of fire retardants and 8-15 parts of stuffing. The polyethylene is used as the main component of a cable material and mixed with other auxiliary materials and the stuffing, and lead is not used, so that the cable material is safe and environmentally friendly, and the magnetism resistance, the waterproof performance, the high temperature resistance and the chemical etching resistance are all improved obviously compared with those of common cable materials; and meanwhile, the cable material has excellent ultraviolet resistance, radiation resistance, fire resistance and antistatic property, toxic substances comprising halogen are not prone to being generated during burning, and smoke is not prone to being generated either.

The invention discloses a healthy preparation method for abalone or shark's fin. After discarding impurity said materials to be washed, immersed and steamed, adding meat of chicken, goose and rabbit, spice and water to be stewed, auxiliaries to be discarded until muscles and bones of said materials becoming soft, then adding spice to be stewed; the original soup to be discarded and spread fresh flavored soup on the processed said materials to be served.

The invention belongs to the technical field of garment fabrics, and particularly relates to a garment fabric with an antibacterial function. The antibacterial garment fabric is formed by warp threads and weft threads in an alternately-woven mode, wherein the warp threads are made of cotton, the weft threads are formed by the mode that coating processing is carried out on polyester silk, and then a layer of functional antibacterial coating is attached to the surface of the polyester silk, and main components of the functional antibacterial coating comprise urethane acrylate, nano antibacterial materials, inorganic antibacterial materials and auxiliaries. After the coating processing is carried out on the weft threads of the antibacterial garment fabric, the antibacterial garment fabric has the stable and durable antibacterial function, breeding of microorganisms of the surface of the fabric of the finished products is sterilized or restrained through contact, and therefore the aim of long-time sterilization is achieved. The antibacterial garment fabric is high in fabric washing fastness, long in service life, suitable for being prepared to be various overclothes and trousers and wide in application market.

The invention discloses a wear-resistant antibacterial cable material which is composed of the following raw materials in parts by weight: 50-60 parts of halogen-free flame-retardant polyolefin, 4-10 parts of silicon carbide, 3-8 parts of antioxidant, 2-6 parts of smoke suppressor, 5-8 parts of aluminum hydroxide, 3-6 parts of magnesium hydroxide, 1-3 parts of gamma-ray absorbent, 2-5 parts of zinc oxide, 3-7 parts of nano barium sulfate, 1-5 parts of heat stabilizer, 3-8 parts of calcium zinc composite stabilizer, 2-4 parts of impact modifier, 1-2 parts of ultraviolet absorbent, 4-6 parts of carbon fiber, 3-5 parts of coupling agent, 0.3-0.8 part of anti-aging agent and 8-12 parts of modified filler. The cable material has the advantages of high safety, environment friendliness, high wear resistance, high antibacterial property, short biodegradation period, low production cost, high economic value and very wide prospects; and the dimagnetic property, water resistance, high temperature resistance and chemical corrosion resistance are obviously higher than those of the common cable material.

The invention relates to the health-care food, in particular to the health-care pear cream, belonging to health-care food, which resolves the drawbacks of the prior health-care pear cream of poor taste and health-care result due to unreasonable select of the Chinese herbal medicine material and compatibility. The health-care pear cream comprises crisp pear, almond, liquorice, milkwort, dried ginger, common anemarrhena, jujube and schisandra chinensis. The Chinese herbal medicine is first immersed in water for 30 minutes according to the weight proportion, and then heated until boiling, and later decocted by small thermal, at last the medical solution can be obtained after filtering. Secondly, the crisp pear is cleaned and crushed after enucleating, and then filtered to remove the deslag and later heated to boil, at last the pear cream can be obtained after decocting by small thermal for 7 to 8 hours to evaporate the water. The medical solution and the pear cream are mixed and blended evenly and the product can be obtained after sterilizing and bottling. The health-care food has the advantages of reasonable select of the Chinese herbal medicine, proper compatibility, good taste, no side effect, good immunoregulation function and good daily care function, so is suitable for wrinkly, person with poor immunity and crocky person for chronically taking and the health-care result is good.

The invention relates to an earlier-stage compound feed for piglets. The compound feed comprises the following components in percentage by weight: 60-70 percent of corn, 1-5 percent of wheat shorts, 15-25 percent of bean pulp, 1-5 percent of fish meal, 3-5 percent of grease, 0.3-0.8 percent of table salt, 0.5-1 percent of feed grade calcium carbonate, 0.5-1 percent of feed grade calcium bicarbonate, 0.03-0.05 percent of feed grade microelement premix compound, 1.5-2 percent of feed grade vitamin premix compound, 0.03-0.05 percent of feed grade complex enzyme preparation and 1.5-2 percent of feed grade compound amino acid. The feed compound has the advantages of reasonable selected materials, high compatibility, capabilities of enhancing the immunity of piglets and reducing the occurrence rates of diseases, high nutritional value, easiness for digesting and absorbing, capability of meeting the nutritional requirement of earlier-stage growth of piglets, using safety, increase in the transformation ratio of the feed, increase in the growing speed of piglets, improvement on the pork quality, reduction in the feeding cost and particular suitability for feeding piglets which are seven days old to two weeks old after ablactation.

The invention discloses a preparation method of a color-changing plastic cup. The preparation method comprises the following steps: (a) manufacturing a cup body; (b) preparing a color-changing material; (c) carrying out injection molding on the color-changing material; (d) sealing and drying; (e) bonding a base; and (f) performing post treatment. According to the preparation method of the color-changing plastic cup, procedures are reasonably arranged, the preparation process is simple and convenient, the cost is moderate, a manufactured cup body is in a multi-layer structure design, a middle layer between an inner layer and an outer layer is a thermosensitive color-changing layer which can change with different colors according to the water temperature in the cup body, and the appearance performance and the interestingness of the plastic cup are effectively enriched; the plastic cup has the reasonable design and material selection, has the stable safety performance during use, and has the durable and remarkable color-changing effect.

The invention provides a method for preparing tobacco leaves containing no nicotinamide or little nicotinamide, comprising the following steps of: soaking the dried tobacco leaves in a fermentation liquid, preparing the fermentation liquid by the following weight portion ratios: 50-100 portions of jujube, 50-100 portions of apple, 15-30 portions of angelica and 150-300 portions of red wine; leading the fermentation to last 30-60 days at the temperature of 30-40 DEG C for standby; subsequently arranging the tobacco leaves in the fermentation liquid at normal temperature; soaking and fermenting the tobacco leaves for 7-10 days; and separating the leaves from the liquid and subsequently preparing the products such as cigarettes, cigars, cut tobaccos and the like by normal cigarette process. The method has the advantages that the raw material is easy to be obtained and the cost is low, the obtained product effectively reduces or eliminates the harm of the nicotinamide to the smokers or passive smokers, optimizes the social sanitary environment, and provides help for the healthy development of the tobacco industries. Detected by provincial food authority department according to national standard, the content of the nicotinamide in the tobacco leaves is reduced to less than 0.035%.

The inner mat material of absorbing and preventing oxygen type beer bottle cap is disclosed. The first layer is obstruct layer, which a film coated by ethyl acetate solution of polyvinylidene chloride. The second layer is oxygen-absorbing obstruct layer, whose substrate is ethylene vinyl alcohol polymer obstruct resin in which the ethhyene content is 29-46%, the oxygen absorbing mother grains distributes in the said substrate, the weight percentage of pyridines and the like oxygen absorbent in the said obstruct resin is 0.0001-0.1%, the moisture of obstruct resin is 0.1-0.3% and the resin density is 1.14-1.21gram / cm3. First resolve polyvinylidene chloride using ethyl acetate solution to a transparent solution, equally spray the solution to coat on the inner surface of cap, which comes into the first obstruct layer by natural drying; secondly on the first obstruct layer the said polymer obstruct resin oxygen-absorbing layer is extruded.

The invention relates to proanthocyanidin products, a weaned piglet feed containing the proanthocyanidin products, and a preparation method and application of the feed. The weaned piglet feed comprises the following components in parts by weight: 0.01-0.05 part of the proanthocyanidin products, 50-75 parts of corn, 10-25 parts of dehulled soybean meal, 5-20 parts of puffed soybeans, 1-10 parts ofwhey powder, 2-4 parts of fish meal, 0-1.5 parts of wheat bran, 0-2 parts of soybean oil, 1-3 parts of calcium dihydrogen phosphate, 0-1.5 parts of glucose, 0.5-1 part of stone powder, 0-0.5 part of L-lysine, 0-0.1 part of DL-methionine and 0.5-2 parts of a vitamin mineral premix. The proanthocyanidin products and the weaned piglet feed can notably improve the antioxidant ability of piglets, contribute to relieving and repairing intestinal tract damage caused by weaning stress of the piglets, improve intestinal mucosal barrier functions, prevent and treat diarrhoea of the weaned piglets, reduce the death and culling rate and increase the breeding economic benefits.