2594results about How to "Protective" patented technology

The invention provides a soluble epoxide hydrolase inhibitor, which has the following structural formula I, wherein R1 is N-R2R3; R2 and R3 are hydrogen, C1-C4 alkyl, aromatic ring, aromatic heterocyclic ring, or C1-C4 alkyl connected with the aromatic ring or the aromatic heterocyclic ring respectively; and the R2 can also be connected with the R3 to form a ring, then R1 is a quinary, hexahydricor heptabasic heterocyclic ring containing 1 nitrogen atom or 1 oxygen atom, and the nitrogen atom can be directly connected with the hydrogen and can also be connected with the C1-C4 alkyl. Rat experiment group results in an anesthesia state and a non-anesthesia state show that the inhibitor has certain blood pressure reducing effect, can be used for preparing medicaments for preventing and treating cardiovascular diseases, and has broad clinical application prospect. The invention provides a preparation method.

The invention discloses a micro emulsion type water-based metal anti-rusting liquid which is prepared from the following raw materials in percentage by mass: 0-10% of anti-rusting agent, 3-20% of base oil, 0-10% of surfactant, 5-20% of corrosion inhibitor, 0.5-1.5% of stabilizing agent, 0-1% of thickening agent, 0-5% of pH adjusting agent and the balance of deionized water. By adopting the anti-rusting liquid, both the defect that an existing anti-rusting liquid such as an oil-based anti-rusting liquid is large in elimination difficulty and not easy to decompose and the defect that the anti-rusting effect of an existing water-based anti-rusting liquid cannot meet the anti-rusting effect of an oil-based anti-rusting liquid are solved, and the advantages of two anti-rusting liquids are integrated, so that the anti-rusting liquid disclosed by the invention has good functions of lubrication, cooling, anti-rusting and the like, and meanwhile the requirements of environmental-friendliness, economy and high efficiency are met.

The invention discloses a nanocomposite of silver, chitosan and / or a chitosan derivative and a preparation method thereof. The preparation method comprises the steps of evenly mixing the chitosan and / or the chitosan derivative fine powder with silver nitrate fine powder and fully grinding for 1-3 hours with the weight proportion of the chitosan and / or the chitosan derivative to the silver nitrate of 100: 0.0005-0.5; adding a reducing agent with the reduction equivalence ratio of the reducing agent to the silver nitrate of 1: 1-2: 1 and fully grinding for 2-6 hours, thereby obtaining the nanocomposite of the silver, chitosan and / or the chitosan derivative with the silver particle size of 1-100nm. The nanocomposite has the effects of promoting wound healing, stopping bleeding, alleviating pain, anti-inflammation and sterilization, can be used for treating female vaginitis, cervicitis, cervical erosion, bedsores, skin ulcers, burns, scalds, trauma and other skin inflammation, tinea manus and pedis and the like, and can also be used for preparing a variety of trauma dressings, such as thin films, sponges, gynecological suppositories, patches and the like.

The invention discloses a porous carbon electrode material based on chitosan and a derivative of chitosan as well as a preparation method and application of the porous carbon electrode material. According to a hard template carbonization method, by taking a hollow silicon oxide ball as a template and taking chitosan and a derivative of chitosan as carbon source precursors, liquid-phase impregnation, high-temperature carbonization, template removing and the like are carried out so as to obtain the porous carbon electrode material suitable for a lithium ion battery and a supercapacitor. The prepared porous carbon electrode material simultaneously has the characteristics of a nitrogen-doped structure and a macroporous-mesoporous-microporous graded pore structure, wherein the nitrogen-doped content can be controlled by using different types of chitosans; the graded pore structure can be controlled by changing the size of the particle diameter and the wall thickness of each silicon oxide ball and regulating the mass of the chitosan solution. Compared with the commercialized graphite, the porous carbon electrode material prepared according to the method disclosed by the invention has the advantages that the specific capacity is obviously increased and the rate performance of the obtained porous carbon electrode material is maintained well. The porous carbon electrode material is simple in preparation process, has no strict requirement to equipment and is suitable for industrial production.

The invention discloses an oligosaccharide-containing foliar fertilizer composite which is characterized in that: the composite comprises oligosaccharide with effective treatment quantity and foliar fertilizer with various elements, wherein the content of the oligosaccharide is 1%-5% of the total weight of the composite; the oligosaccharide comprises chitosan oligosaccharide, sodium alginate oligosaccharide and pectin oligosaccharide; the content of the element foliar fertilizer is 5%-50% of the total weight of the composite; and the element foliar fertilizer comprises at least one of nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, boron, ferrum, manganese, copper, zinc and molybdenum. The composite is applied to field crops, commercial crops and fruit and vegetable crops. The oligosaccharide which can induce plants to resist diseases and promote a root system to grow is introduced into the foliar fertilizer, so that the foliar fertilizer composite can promote the growthand the nutrient absorption of plant root systems, and has a certain control effect for restraining the happening of the diseases.

The invention discloses a flexible display device which comprises a display area and a non-display area encircling the display area, a first flexible substrate, an inorganic layer arranged on the first flexible substrate, and grounding wires arranged on the inorganic layer, wherein the grounding wires are arranged in the non-display area and form a detection circuit; at least two grounding wires are arranged in the non-display area on the same side of the display area at least; the at least two grounding wires comprise at least one first grounding wire and at least one second grounding wire; the inorganic layer is provided with a groove; the first grounding wire is arranged in the groove; the second grounding wire is arranged on the surface of the inorganic layer. According to the flexible display device disclosed by the invention, crack positions can be judged by the detection circuit, whether the cracks exist on the inorganic layer and on the first flexible substrate can be judged, and the detection rate of risk products is improved; meanwhile, since the first grounding wire is positioned in the groove, and the second grounding wire is positioned on the surface of the inorganic layer, the horizontal distance among the various grounding wires can be reduced, and the narrow bezel design of the flexible display device is promoted.

The invention discloses an underground multi-stage intelligent high pressure gas pulse formation fracturing device and a method thereof, belongs to the technical field of fracturing completion of oil and gas wells, and particularly relates to two technical sachems of the device and the method. The method is used for fracturing the underground layer by the underground multi-stage intelligent high pressure gas pulse formation fracturing device. The device is controlled by each stage of intelligent pressure encoding detonator to gradually detonate by stages at proper time to generate a large amount of high pressure gas according to the set working mode, the dynamic high pressure pulse pressure is formed in the well or holes of a formation, the formation is fractured to form a plurality of cracks, and the permeability of fluid in the formation is increased, so the oil and gas are easily produced. The device and the method have the advantages that the cyclic multiple pressure pulses which are controlled at proper pressure can be generated, so the formation can generate the compression-expansion-compression alternating 'resonance', the cracks are promoted to effectively extend, and a new fracturing network is formed, so the permeability of the formation is improved; the pollution to the formation and environment in the fracturing process is avoided; the method is suitable for the water-sensitive and acid-sensitive formation; the construction cycle is short, the cost is low, the equipment is simple and convenient, and the limitation by terrain and water sources is avoided.

A safety protection system of an aircraft with multiple rotor wings comprises a receiver used for receiving ground remote control signals, an aircraft control circuit, a speed reducer, motors which are fixed at the ends of all rotary arms (1), and an aircraft power supply used for providing power for all above devices. The safety protection system of the aircraft with the multiple rotary wings is characterized in that a protection device control circuit, and a plurality of parachute popping-out devices (3) which are connected with the protection device control circuit and is controlled by the protection device control circuit to be triggered are arranged, after the parachute popping-out devices (3) are triggered, parachutes in the parachute popping-out devices are popped out, and protection to the multiple rotor wings is achieved. According to the safety protection system of the aircraft with the multiple rotor wings, the aircraft with the multiple rotor wings, which is in the flight process or in the low-altitude flight process, can be quickly and reliably protected, falling of the aircraft with the multiple rotor wings is prevented, and loss and personal injuries are avoided.

The invention discloses a deformed steel bar compound corrosion-inhibited quenching agent and a usage method thereof. The compound corrosion-inhibited quenching agent is obtained by mixing the following compositions in parts by weight: 0-1 part of sodium carboxy methyl cellulose, 0-1 part of sodium polyacrylate, 0.1-1 part of sodium benzoate, 0.1-2 parts of triethanolamine, 0-0.1 part of sodium molybdate, 0-5 parts of sodium hydroxide, 0-10 parts of sodium carbonate, 5-15 parts of sodium silicate, and 70-90 parts of water. In use, the non-rusted deformed steel bar is subjected to quenching treatment in the corrosion-inhibited quenching agent for 1-2s at 100-200 DEG C, thereby being capable of slowing down the corrosion of the deformed steel bar under the atmosphere. The corrosion-inhibited quenching agent does not contain nitrite and chromate, has no S and P atoms, and is green and environment-friendly, low in cost, and recyclable.

The invention discloses a wooden door processing device with a rotational double-side paint spraying function. The wooden door processing device comprises a fixing base, a paint spraying chamber and aworking support plate, wherein two chutes are formed in the working support plate; sliding blocks are arranged inside the chutes; a left fixing plate is arranged on the sliding block on the left side; a right fixing plate is arranged on the sliding block on the right side; a lifting threaded column is arranged on the left fixing plate; a rotating fixing device is arranged on the limiting threadedcolumn; a plate clamping block is arranged on the rotating fixing device. The wooden door processing device is applied to pain spraying processing on a wooden door, paint is spayed to the wooden doorthrough a nozzle, in the pain spraying process, a paint spraying tube is rotated slowly under driving of a second rotating motor, then paint spraying uniformity is ensured, and the paint spraying quality of the wooden door is improved; when double sides of the wooden door need to be painted, a first rotating shaft is driven to rotate through a first rotating motor, the wooden door is driven to rotate through the first rotating shaft, the wooden door is rotated for a certain angle, then the double sides of the wooden door can be painted, and the device is convenient and rapid to operate and high in automation degree.

The invention discloses a blue-light-resistant, oxidation-resistant and free-radical-removing composition, a blue-light-resistant, oxidation-resistant and free-radical-removing skincare product and a preparation method. The blue-light-resistant, oxidation-resistant and free-radical-removing composition provided by the invention is prepared from the following components in parts by mass: 0.1 to 5 parts of compound of a marigold flower extract and safflower seed oil, 1 to 10 parts of tea extract and 1 to 10 parts of edelweiss extract. The compound of the marigold flower extract and the safflower seed oil can enhance the capability that the skin of a human body filters blue light, blocks the harm of the blue light to the skin, can also capture a free radical in the tissue of the skin of the human body, and delays the aging caused as the skin is oxidized; the tea extract can make the skin tender and smooth, also helps to clean the skin, and prevents a pimple; the edelweiss extract has relieving, calming, oxidation-resisting and nourishing protective effects on the skin.

The invention relates to the technical field of environmental protection, and particularly discloses a construction waste treatment device for environmental protection. The construction waste treatment device comprises a baseplate, and the upper surface of the baseplate is provided with a conveyor mechanism, a crushing box and a dust collection box from left to right in sequence; the conveyor mechanism comprises a wet material conveyor belt and a dry material conveyor belt, and the wet material conveyor belt and the dry material conveyor belt are connected with a feeding conveyor belt separately; the feeding conveyor belt is connected with the crushing box, and the wet material conveyor belt penetrates through a drying box; a drying mechanism is arranged in the drying box; double crushingmechanisms are arranged in the crushing box, and screening mechanisms are arranged below the double crushing mechanisms; and the crushing box is connected with the dust collection box through a dust suction pipe. The construction waste treatment device is specially used for treatment of waste left in constructional engineering, especially solid waste, such as broken bricks and concrete, and the treated construction waste can be recycled; not only can the environment be protected, but also the resources can be saved; and the waste is avoided.

The invention provides a concrete reinforced column for a steel framework of a hybrid FRP (Fiber Reinforced Plastic) pipe and belongs to the field of buildings. The concrete reinforced column comprises a steel framework, a hybrid FRP pipe and concrete filled between the steel framework and the hybrid FRP pipe. Compared with the traditional steel pipe concrete reinforced column and a steel pipe high-strength concrete reinforced column, the concrete reinforced column can be used for improving the bearing force, the transformation capacity and the anti-vibration property. The concrete reinforced column provided by the invention is applicable to the technical field of structures of concrete reinforced columns, so that the concrete reinforced column not only can be used for a new construction structure but also can be used for reinforcing and hoisting engineering of the steel framework concrete reinforced column.

The invention relates to immobilized microspheres for remediation of petroleum contaminated soil, a preparation method thereof and applications thereof. The immobilized microspheres are spheroidal, have internal apertures and have diameters of from 2.5 to 3.0 millimeters. The immobilized microspheres comprise sodium alginate as an embedding material and attapulgite as an adsorbent for adsorptions of petroleum hydrocarbon degrading bacteria and nutrient elements. The preparation method of the immobilized microspheres comprises embedding petroleum hydrocarbon degrading bacteria and nutrient elements through sodium alginate as an embedding material and attapulgite as an adsorbent, and carrying out a series of preparation steps of high density bacteria liquid suspension, immobilization and balling, and enrichment culture to obtain the immobilized microspheres. The immobilized microspheres prepared through the preparation method provided by the invention have favorable aperture conditions and adsorption performances, thereby having strong load capabilities. The immobilized microspheres provide good internal survival environments for petroleum hydrocarbon degrading bacteria, thereby having strong environmental impact resistance capabilities. The immobilized microspheres have the advantages of environmental protection, safety, good biocompatibility and wide foreground of application in bioremediation for petroleum contaminated soil.

The invention discloses a non-combustible vermiculite plate made from tourmaline powders, monazite powders, vermiculite which is expanded to increase the interlayer distance by 10 to 20 times, and inorganic binders, wherein the weight proportions of the materials are as follows: 20 to 40 percent of tourmaline powders, 10 to 20 percent of monazite powders, 30 to 55 percent of expanded vermiculite and 5 to 15 percent of inorganic binders; and the tourmaline powders and the monazite powders are filled in the interlayer spaces of the expanded vermiculite and then molded with the inorganic binders by the hot forming process. The non-combustible vermiculite plate provided by the invention is characterized in that: the content of negative ions in the air is greatly increased by use of tourmaline and monazite, which can effectively achieve the effects of purifying blood, tranquilizing mind, relieving pains, preventing and treating skin diseases, refreshing mind and alleviating fatigue; the living environment indoor is improved; and the purpose of healthy living is achieved. Besides, the non-combustible vermiculite plate is non-combustible and has heat-insulating, noise-absorbing, sound-insulating, deodorizing and radiation-absorbing properties.

The invention discloses a solid phase synthesis method and a liquid phase synthesis method of chitosan and / or zinc, silver, bismuth and rare earth metal composite of chitosan derivative. The solid phase synthesis comprises the following steps: (1) grinding chitosan and / or chitosan derivative to fine powder; (2) grinding the oxides of zinc and / or silver and / or bismuth and rare earth metal to fine powder of which content is 0.0005-2wt% of the weight of chitosan and / or chitosan derivative; (3) mixing the fine powders obtained in step (1) and step (2) and fully grinding for 1-6h to obtain the chitosan and / or metal composite of chitosan derivative. The product of the preparation method can be used to cure diseases such as female vaginitis, cervicitis, cervical erosion, bedsore, skin ulcer, fireburn, empyrosis, trauma, other dermatitis disease, tinea of feet and hands and the like and can be used to prepare various surgical dressings such as film, sponge, gynecological suppository, adhesivefilm and the like.

The invention relates to anthropogenic lactobacilus fermentum grx07 with a protection role on chronic alcoholic liver damage and application thereof. The lactobacilus fermentum grx07 strain disclosed by the invention is a probiotic strain separated from intestinal tracts of people in a Rugao longevity village of Jiangsu, the strain is preserved in China General Microbiological Culture Collection Center, and the preservation number is CGMCC No.8874. The lactobacilus fermentum grx07 strain has significant in vitro antioxidant ability and pathogenic bacteria inhibition ability, the rat blood fat of chronic alcoholic liver damage and the toxin level in serum can be significantly reduced, expression of liver inflammatory cytokines is reduced, the inflammatory reaction of the liver is relieved, the expression quality of antioxidant specific protein Nrf2 of the liver is increased, and the liver cell apoptosis percentage is reduced. Therefore, the anthropogenic lactobacilus fermentum grx07 has a significant protective effect on the chronic alcoholic liver damage.

The invention discloses pig-chicken excrement fermenting compound bacteria, a preparation method and a method of utilizing the compound bacteria to ferment and prepare an organic fertilizer. The fermenting compound bacteria comprise the following raw material bacteria: bacillus subtilis, bacillus licheniformis, bacillus coagulans, bacillus megatherium and trichoderma viride. The method for preparing the organic fertilizer comprises the following steps: mixing pig-chicken excrement with crushed straws, adding the fermenting compound bacteria to the mixture according to a dosage of 1-2 Kg per ton, mixing uniformly, the moisture being 50-65 wt%, stacking the mixed raw materials, keeping the temperature at 55-65 DEG C to conduct fermentation, two days after the fermentation, turning the stacked materials for the first time, and then turning the materials once every one or two days, keeping the moisture at 50-65 wt% during the fermentation phase, and after fermentation, obtaining the organic fertilizer with a moisture content of 20-30 wt%. The pig-chicken excrement fermenting compound bacteria disclosed by the invention can be used for fermenting the pig and chicken excrement; compared to the prior art, the method for preparing the organic fertilizer is low in productive investment and production cost, convenient to use, free of odor, and good in the fermentation and decomposing effect.

The invention discloses a preparation method of an anticoagulant material with function of inducing and catalyzing release of endogenous NO. The method comprises the steps of: configuring an alkaline Tris-buffer buffer solution, and adding a compound with certain concentration and pyrogallol structure and a compound with disulfide bond or diselenium bond and containing amino or thiol at two ends; and placing the substrate materials in a reaction solution, controlling the reaction temperature, reacting for 1-24 h, removing the substrate, and cleaning and drying to obtain the objective material. The invention has the advantages of simple operation, mild reaction conditions and easy operation. The component unit of the compound with disulfide bond or diselenium bond and containing amino or thiol at two ends has controllable content; the modified coating prepared by the method has excellent adhesion, and catalyzes the blood NO donors to continuously release NO molecules through in situ catalysis, inhibits activation and aggregation of platelets, inhibits proliferation of smooth muscle cells, and protects vascular endothelium.

The invention discloses an Au nano-sol responding to heavy metal ions and a preparation method thereof. Au nanoparticles in the sol are equipped with L-cysteine ligand, the mol ratio of the L-cysteine to the Au nanoparticles in the sol is 1:0.5-4, and the particle size of the Au nanoparticles is 5-15nm. The Au nanoparticles equipped with the L-cysteine ligand have long shelf life, good responsibility to the heavy metal ions, and are applicable to the detection field of the heavy metal ions; and the preparation method of the Au nano-sol has the advantages of simple process and low manufacturing cost.

The present invention relates to a composition for reducing sport injury and promoting sport injury repair. The composition comprises the following raw materials and auxiliary materials, by weight, 500-2000 parts of hydrolyzed collagen protein, 100-400 parts of soybean protein peptide, 50-400 parts of chondroitin sulphate, 50-400 parts of glucosamine or a salt thereof, 100-1000 parts of a traditional Chinese medicine, 10-400 parts of haematococcus pluvialis, 1-100 parts of vitamin, and 1-100 parts of a mineral. The composition provides good effects for sport injury reduction and sport injury repair promotion.

The invention discloses a thermal viscosity loss pressure-sensitive adhesive, which is prepared from the following ingredients in percentage by weight: 20.0 percent to 40.0 percent of macromolecular polymethacrylate, 69.5 percent to 38.5 percent of an organic solvent, 0.50 percent to 1.50 percent of a curing agent and 10.0 percent to 20.0 percent of a thermal expansion additive, wherein the weight percentage of solid content in the thermal viscosity loss pressure-sensitive adhesive is 20 percent to 40 percent. The invention also discloses a thermally peelable adhesive tape and a preparation method of the thermally peelable adhesive tape. When the thermally peelable adhesive tape is adhered onto an adhered object and is heated to foam so that micro spheres expand, the viscosity of a thermal viscosity loss pressure-sensitive adhesive layer is greatly reduced. When the thermally peelable adhesive tape is applied for temporary fixation in electronic devices, the damage of elements can be effectively prevented, and the product yield is improved.

The invention relates to a laser holographic anti-counterfeiting stamping technology and particularly relates to a metallic coin stamped with a holographic anti-counterfeiting pattern and a manufacturing method thereof and provides the metallic coin which has a laser holographic anti-counterfeiting function and exquisite pattern and is stamped with the holographic anti-counterfeiting pattern and the manufacturing method of the metallic coin. The manufacturing method comprises the following steps of: duplicating a laser holographic image on a metallic nickel plate to form a metal nickel plate for die pressing; coating a release layer, an imaging layer, a die pressing layer, an aluminum plating layer and a dual-layer adhesive layer on a film belt of a base film; positioning, transferring and stamping a laser electrochemical aluminum stamping foil on the metallic coin; heating a stamping head to 80-90DEG C; meanwhile, preheating and improving the temperature of the original metallic coin to 90-100DEG C; and removing the film belt of the base film by the release layer to form the metallic coin with laser holographic pattern. The metallic coin generates a new visual color in the overlapped laser effect and is a novel metal coin anti-counterfeiting type; and in addition, the metallic coin has the advantages of accuracy in positioning, strong three-dimensional sense, abundant layers, simple and quick process, one-time transfer stamping, favorable reproducibility and no pollution.

The present invention provides one kind of soil repairing solid compound microbe microball and its preparation process. The soil repairing solid compound microbe microball is prepared with calcium alginate as embedding material and solid calcium carbonate as solid pore-creating agent to embed petroleum hydrocarbon degrading fungi, bacteria and nutritive matter, and the preparation process includes suspension preparation, microball formation, eliminating pore-creating agent and other steps. The present invention has the advantages of solid carrier maintained, has super large pores for reinforced mass transfer and embedded fungi, bacteria and nutritive matter, and thus possesses the advantages of high mass transferring speed, protection, nourishing, high activity and stability, etc. This kind of solid compound microbe microball may find its wide application in the biological repair of petroleum polluted soil.

The invention relates to a piezoelectric actuator, in particular to an inner driving type passive clamping piezoelectric actuator. The problems that according to an existing inner driving type clamping piezoelectric actuator, self locking cannot be achieved during outage, a driver is slow in running speed, and requirements for machining accuracy of a clamping body and a guiding track are high are solved. The inner driving type passive clamping piezoelectric actuator comprises a guiding track, driving bodies, a driving piezoelectric stack, two clamping piezoelectric stacks and two clamping bodies. Each clamping body comprises a piezoelectric stack pre-tightening piece, two clamping triangle amplified flexible hinges, two clamping piezoelectric stack supporting bodies and two clamping heads. Each driving body comprises two driving triangle amplified flexible hinges, two driving piezoelectric stack supporting bodies and two driving piezoelectric stack pre-tightening pieces. The driving bodies connected with the clamping bodies are arranged between the two clamping bodies. The driving bodies and the clamping bodies are placed in grooves of two arms of the guiding track. The piezoelectric actuator is used in a micro-driving process.

The present invention provides a liquid for preserving cornea for medium period and a preparing method thereof, and relates to a liquid for cornea material. The invention provides the liquid for preserving cornea for medium period and the preparing method thereof, wherein the liquid has the advantages of longer storing time, higher quality, no pollution and relatively lower cost compared with theprior liquid for preserving cornea for medium period. The liquid for preserving cornea for medium period contains culture solution, thickening agent, bovine serum, amino acid, antibiotic, acid-alkalimodifying agent and cell nutrition components. According to the formula of liquid for preserving cornea for medium period, the thickening agent, the bovine serum, the amino acid, the antibiotic and cell nutrition components are added into the culture solution for mixing to uniform. The pH value is adjusted to 7.2-7.4 with the acid-alkali modifying agent. The osmotic pressure is adjusted to 350-380mOsm / L with an osmotic pressure buffering agent. The liquid for preserving cornea for medium period is obtained after membrane filtering for sterilizing.

The invention discloses a Chinese pharmaceutical composition for treating hepatitis and fatty liver, which comprises cornus officinalis, oriental wormwood, cape jasmine, baikal skullcap root, plantain seeds, clematis stem, polyporus umbellatus, poria cocos, rush pith, curcuma aromatica, licorice root, cyperus tuber, dandelion, white atractylodes rhizome, magnolia bark, Bupleurum root, chicken's gizzard-skin, green tangerine orange peel, banksia rose, malt, isatic root, haw, turtle shell, burred tuber, Loranthus mulberry mistletoe, talcum powder, bitter orange, zedoary, fleece-flower root, root of herbaceous peony, medicated leaven, Chinese angelica root, rhubarb horsetails.

The invention relates to a method for preparing a magnesium alloy material suitable for biological implantation, which comprises the following steps: preparing raw materials by the following chemical compositions in percentage by weight: 2.0 to 6.0 percent of Zn, 0.5 to 1.9 percent of Mn, 0.6 to 5.0 percent of Ca, less than or equal to 0.1 percent of total impurities, and the balance of Mg; or preparing the raw materials by the following chemical compositions in percentage by weight: 2.0 to 6.0 percent of Zn, 0.3 to 0.9 percent of Zr, 0.5 to 5.0 percent of Ca, less than or equal to 0.1 percent of total impurities, and the balance of Mg; preheating smelting equipment and adding the Mg into the raw materials; heating the mixture under the protection of argon gas with the flow rate of between 5 and 6 L / min and the pressure of 14 MPa; adding a fire retardant into the molten liquid when the temperature of the molten liquid reaches between 650 and 660 DEG C, raising the temperature of the molten liquid to between 700 and 720 DEG C, adding other alloy elements into the molten liquid respectively, and performing melting reaction; and stirring the mixture until the mixture is uniformly mixed after alloy is completely molten, keeping the mixture stand for 30 to 40 minutes, pressing a deslagging agent into the solution for deslagging, casting the alloy solution into a cast die after keeping the alloy solution for 10 to 20 minutes at the temperature of between 690 and 710 DEG C, and preparing a Mg-Mn series or Mg-Zr series biomedical magnesium alloy material ingot.

The invention discloses a green livestock cultivation system. The green livestock cultivation system comprises a cultivation shed, a temperature adjusting unit and a control unit, wherein biological litter in the cultivation shed contains traditional Chinese medicine composition capable of relieving itching and sterilizing; the temperature adjusting unit comprises a V-shaped water tank, a water discharge component and a water return chamber, the water return chamber is formed below a cultivation chamber and includes a first water return chamber and a second water return chamber, the second water return chamber is located below the first water return chamber and communicated with the same, the first water return chamber receives water from a plurality of water leakage holes and forms a flowing water cooling face below the cultivation chamber, and the second water return chamber is communicated to a water storage chamber. The green livestock cultivation system is healthy, environmental friendly, zero in emission, good in stability and high in practicality. The invention further provides a cultivation method which is ecological and environmental friendly in cultivation mode, easy to implement and good in environment factor controllability.

The invention discloses plasma 3D printing remanufacturing equipment and method for a train wheel. The plasma 3D printing remanufacturing equipment consists of a monitoring system, a plasma beam processing system, a machining device for machining a train wheel to be repaired, a triaxial moving mechanism used for driving the machining device to move and a horizontal printing platform used for placing the train wheel to be repaired, wherein the plasma beam processing system consists of a plasma generator, a printing position adjusting device, an air supply device and a powder feeder; and the monitoring system comprises a horizontal movement controller, a temperature detection unit, a distance detection unit, a printing distance adjustment controller and a rotation controller, and the temperature detection unit and the printing distance adjustment controller constitute a temperature adjustment and control device. The plasma 3D printing remanufacturing method comprises the following steps: firstly, detecting defects of the train wheel; and secondly, repairing the train wheel. The plasma 3D printing remanufacturing equipment is reasonable in design, simple and convenient to operate, high in efficiency and good in using effect, the repair process is directly carried out in the atmospheric environment without a closed molding room, the repaired train wheel is good in quality, and the repair efficiency is high.