40results about How to "Eliminate hardening" patented technology

The invention provides a method for plastically manufacturing a high-purity magnesium alloy absorbable stent, relating to a metal stent manufacturing method for the field of intravascular interventional treatment. The method solves the problem of angiosclerosis caused by low yield strength, poor plasticity, poor corrosion resistance and easy damaged cells existing in the prior absorbable stent. The method comprises the following steps: preparing a high-purity Mg-Al-Zn or Mg-Zn-Ca alloy ingot; refining crystalline grains through heat extruding, warm extruding and cold extruding; machining an alloy blank which is extruded for three times into a tube blank; processing the tube blank by multi-pass cold drawing process on the tube blank; machining the thin walled tube into a stent; putting thestent into fluid polishing solution for fluid polishing and burr removing. The method greatly improves the corrosion resistance, yield strength and plasticity, meets the clinical requirement on resorbing speed and time of the intravascular stent, and eliminates the problem of angiosclerosis; and the compositions of the high-purity magnesium alloy stent have higher safety and reliability.

The invention relates to compound calcium sulfonate grease and a preparation method thereof. The compound calcium sulfonate grease is prepared from 30 to 40% of high base number calcium sulfonate, 2 to 3% of isopropanol, 1.5 to 2.5% of dodecyl sulfonic acid, 4 to 5% of 12-hydroxyl stearic acid, 3 to 4% of boric acid, 1% of micro powder calcium carbonate, 4 to 5% of calcium hydroxide, 5% of water, 1 to 2% of amine and phenol compound and 32.5 to 48.5% of base oil. According to the compound calcium sulfonate grease disclosed by the invention, converting agents of middle molecule alcohol and organic acid are combined and utilized, meanwhile the amine and phenol compound is added into a system, and the problem that the compound calcium sulfonate grease in the prior art is prone to surface hardening in a storage and use process is solved. In a compound calcium sulfonate grease preparation process, a pressure kettle is utilized as a reactor, a cooling reflux device is arranged to prevent the converting agents and water from volatilizing, the problem of repeatedly replenishing water for materials in a reaction process is solved, the converting agents and the water are removed by pressure reduction and vacuumization after converting reaction finishes, and the residual converting agents are prevented from enabling the system to react continuously to cause the problem of product hardening.

A method for applying fluids to a strand and useable for bonding adhesive coated strands to substrates in the production of bodily fluid absorbing hygienic articles, by drawing the strand along an isolated path, moving a fluid or adhesive fiber back and forth across a path of the strand as the fluid fiber is dispensed toward the strand, and capturing substantially all of the fluid fiber on the isolated strand, and in some applications contacting an adhesive coated strand with the substrate to bond the strand thereto. The adhesive fiber is vacillated back and forth across a path of the strand beyond opposing sides thereof to at least partially coat all sides thereof with adhesive. In bodily fluid absorbing hygienic articles, the methods substantially eliminate fabric stiffening and loss ofmoisture absorbing capacity thereof, provide substantially uniformly bonding along the axial dimension of the strand to ensure uniform bunching of fabrics, optimum fluid absorption, and comfort.

The invention relates to a preparation method of a heart and brain intravascular stent.The heart and brain intravascular stent prepared through the preparation method can solve the problems that in existing intravascular stents, relative displacement occurs between the intravascular stents and vessels, corrosion resistance is poor, vascular functions are deteriorated, and cells are damaged easily to cause vascular sclerosis; the heart and brain intravascular stent is moderate in strength and good in processing plasticity, mechanical strength and the volume can meet the clinic requirements, the surface of the stent is treated, and accordingly the stent can serve as a medicine carrier and position slow-release medicine in a targeted mode.Meanwhile, the preparation method is relatively low in cost, high in manufacturing precision and high in formation efficiency.

The invention provides a China aster composite capsule. The active ingredients of marigold, blueberry, grape seed and astragalus mongholicus are integrated in the China aster composite capsule. The China aster composite capsule can improve the immunity of a human body. The China aster composite capsule can penetrate through a blood brain barrier of the human body to activate retinal enzyme, promote the resynthesis of rhodopsin in a retina and improve eyesight, and play a very important role in prevention and supplementary treatment on senile macular degeneration, cataract and the like. Anthocyanin, lutein and procyanidine have high oxidation resistance, particularly the oxidation resistance of the procyanidine is 20 times that of vitamin C and 50 times that of vitamin E, and the procyanidine is the natural invincible opponent of free radicals, enhances the flexibility of a capillary vessel, prevents arteriosclerosis and prevents blood vessels from being broken. At present, much lutein exists in the form of lutein ester and cannot be directly absorbed by the human body. An extract of the China aster composite capsule is rich in lutein in free state, which is up to over 90 percent in content and can be directly absorbed and utilized by the human body, so that the China aster composite capsule is high in bioavailability and better in treatment effect.

The invention belongs to the technical field of soil remediation agents, and discloses a heavy metal contaminated soil remediation agent. The heavy metal contaminated soil remediation agent comprises,by weight, 30-50 parts of modified fly ash, 20-30 parts of modified kaolinite, 10-20 parts of oxidized nanometer carbon black, 10-15 parts of biochemical fulvic acid, 3-8 parts of sodium thiosulfateand 5-10 parts of a microbial agent. The invention also discloses a preparation method of the heavy metal contaminated soil remediation agent. The preparation method comprises the following steps: (1)uniformly mixing weighed modified fly ash, modified kaolinite, oxidized nanometer carbon black, biochemical fulvic acid and sodium thiosulfate, feeding the obtained mixture into a granulator, addinga proper amount of water vapor, granulating, and drying for later use; and (2) adding the microbial agent into obtained particles, uniformly mixing, feeding the obtained mixture into a granulator, adding a proper amount of water vapor, granulating, and drying to obtain the soil remediation agent. An inorganic passivator and microorganisms are combined for use, and heavy metal ions are rapidly andefficiently fixed through the inorganic passivator; and the microbial agent is added, so that the leaching concentration of heavy metals is reduced, and the heavy metal contaminated soil is improved.

The invention relates to the technical field of metal material preparation, and particularly discloses a high-strength Al-Si alloy welding wire and a preparation method thereof. The method comprises the following steps that an Al-Ti-B intermediate alloy with TiB2 particles in-situ generated is subjected to violent plastic deformation to obtain the Al-Ti-B intermediate alloy containing the nano TiB2 particles, wherein the size of the nano TiB2 particles ranges from 50 nm to 1000 nm; the Al-Ti-B intermediate alloy containing the nano TiB2 particles is used as a matrix raw material, and an Al-Scintermediate alloy and an Al-Si intermediate alloy are added for smelting treatment to obtain an alloy melt; the alloy melt is prepared into a wire blank with the diameter of 8-10 mm; and hot rolling,cold drawing, intermediate annealing and surface treatment processes are carried out on the wire blank to obtain the aluminum-silicon alloy welding wire with the nano-scale TiB2 particles. Accordingto the aluminum-silicon alloy welding wire prepared through the method, the mechanical property of a welding seam is remarkably improved while the original excellent welding mobility and the low welding crack sensitivity are inherited, the aluminum-silicon alloy welding wire can be used for welding high-strength and ultrahigh-strength aluminum alloys, is especially suitable for alloys which are high in welding crack sensitivity (such as a 7000 series aluminum alloy) and the field which has high requirements on the welding strength, and has high industrial application value.

The present invention belongs to the field of metallurgical electrolytic technology. In the concrete, it relates to an application technique of electrolyte powder and block in calcinations starting process. It is characterized by that the electrolyte powder and calcined soda are blended according to the molecular ratio of electrolyte powder, fully mixed and made into electrolyte blocks. When the furnace is charged, all the edge portions of said furnace can be filled up with electrolyte blocks, so that all the edge portions of said furnace can be protected by electrolyte (power) blocks and the temperature can be slowly raised, its calcinations operation can be implemented in starting process, therefore calcinations starting cost can be reduced and the calcinations starting effect can be raised.

An apparatus is provided for the shaping of plastics material containers. The apparatus is provided with a movable carrier. A plurality of shaping stations for the shaping of plastics material pre-forms into plastics material containers are arranged on the movable carrier. The shaping stations are provided with blow mould carrier parts movable with respect to each other for opening and closing the shaping stations. The shaping stations are provided with a locking mechanism for holding the shaping stations in a closed state.

The invention discloses a detoxification capsule and a preparation method thereof. The preparation method comprises the following steps: I, smashing lycium barbarums, astragalus membranaceus, ginsengs, aloe and folium ginkgo, soaking the mixture with anhydrous ethanol, refluxing and heating the solution, filtering the solution to prepare an ethanol extracting solution I, then refluxing and heatinga filter cake again, filtering the solution to prepare an ethanol extracting solution II, and spinning and drying the ethanol extracting solutions I and II till no solvent exists, so as to obtain a traditional Chinese medicine extract; II, smashing and screening carrots, sweet potatoes and soybeans, and drying mixture to prepare a dietary material; III, stirring the traditional Chinese medicine extract, the dietary material, organic calcium, magnesium stearate, tea polyphenol, rice flour, maltodextrin and unsaturated fatty acid till the mixture becomes paste; IV, performing high-pressure homogenization, drying, re-smashing and screening on the mixture in Step III to prepare micro-spherical granular drug powder, and putting the powder into an empty capsule to prepare the detoxification capsule; V, polishing and packaging the capsule. By adoption of a traditional Chinese medicine formula, the detoxification capsule disclosed by the invention has effects of benefiting qi for activating blood circulation, relaxing the bowels and clearing away toxins, achieves both detoxification and tonification and does not have any side effects; furthermore, the production and preparation process issimple, and the preparation raw materials are low in cost, so that the detoxification capsule is convenient to popularize.

The invention belongs to the technical field of pollution remediation, and discloses a lead-zinc mine tailings pond and adjacent soil composite heavy metal pollution repairing system. The lead-zinc mine tailings pond and adjacent soil composite heavy metal pollution repairing system comprises: a central control module, a heavy metal detection module, an organic fertilizer dosing module, a mixing module, a spray module, an earth turning module and a display module. The lead-zinc mine tailings pond and adjacent soil composite heavy metal pollution repairing system effectively reduces the contentof heavy metal elements in the soil, avoids re-recovery of the heavy metal elements in a traditional treatment method and severe harm to the environment and the life of people due to a certain damageto the soil environment. According to the lead-zinc mine tailings pond and adjacent soil composite heavy metal pollution repairing system, an inorganic curing agent sulphate aluminium cement is usedto quickly and efficiently fix heavy metal ions; reduction of the leaching concentration of the heavy metals is facilitated, and the heavy metal-polluted soil is improved; in addition, the soil aggregate structures are improved, and the hardening phenomenon is eliminated; moreover, re-leaching of the fixed heavy metals is reduced.

The invention provides an organic pollution soil restoration method, which comprises the following steps of (1) laying a geomembrane and sawdust powder; (2) mixing organic pollution soil restoration agents and organic pollution soil; (3) planting willow seedlings and carrots; (4) pulling out the carrots. The invention also provides a preparation method of an organic pollution soil restoration agent. Each embodiment can realize the safe fast convenient and efficient restoration of the organic pollution soil; the restoration cost is reduced; the occurrence of secondary pollution is reduced.

The invention relates to a hazardous waste salt pyrolysis system and a pyrolysis process thereof, the hazardous waste salt pyrolysis system is used for removing organic impurities in hazardous waste salt, the pyrolysis system comprises a drying reactor (1), a crusher (2), a pyrolysis reactor (3), a cyclone dust collector (4), a spray tower (5), a demister (6), an incinerator (7) and a heat exchanger (8); a solid outlet of the drying reactor is connected with a solid inlet of the pyrolysis reactor through the crusher, and a gas outlet of the drying reactor is connected with a first inlet of the cyclone dust collector; the pyrolysis salt outlet (322) is connected with an inorganic matter impurity removal system (9), the pyrolysis gas outlet (321) is connected with a second inlet of the cyclone dust collector, and the heating flue gas outlet (302) is connected with a gas inlet of the drying reactor; an outlet of the cyclone dust collector is connected with an inlet of the heat exchanger through the spray tower, the demister and the incinerator, a flue gas outlet of the heat exchanger is connected with a heated flue gas inlet (303) of the pyrolysis reactor, and a steam outlet of the heat exchanger is connected with the inorganic matter impurity removal system.

The invention discloses an energy-saving surface soil repairing machine, which comprises a machine body, a repair plate is arranged on the bottom end surface of the body, a nozzle is arranged on the bottom end surface of the repair plate, and a soil repair liquid is stored in the repair plate. A storage chamber, the storage chamber is provided with a spraying body that runs through the upper and lower end surfaces of the storage chamber; the present invention is simple in structure, easy to use, can crush and turn over the surface soil, eliminate the phenomenon of surface soil compaction, and automatically treat the processed Spray soil remediation fluid on the surface soil to improve the fertilizer efficiency of the surface soil and improve the decomposition ability of the surface soil, and then flatten the surface soil after spraying the soil remediation fluid to fully mix it with the soil remediation fluid to improve the utilization rate of the soil remediation fluid. The effect is good, the cost of soil restoration is reduced, and the present invention can continuously work in an integrated manner, greatly reduces the labor force required in the soil restoration work, has high work efficiency, and is worthy of popularization and use.

The invention provides a soil remediation method and system as well as a method for solidifying heavy metal in soil. The soil remediation system comprises electrolysis equipment, a gas-liquid mixing device, an electric control box and a pressure regulating tank. According to the soil remediation method and system disclosed by the invention, micro-nano bubbly water containing electrolysis ions is generated, and micro-nano bubbly water containing electrolysis ions is input into soil, so that the electrolysis ions are combined with heavy metal ions in soil to form solids which cannot be absorbedby roots of crops, and therefore, content of heavy metal in soil is reduced. Meanwhile, micro-nano bubbles are cracked to release oxygen gas into soil, so that content of oxygen gas in soil is increased, a soil hardening phenomenon is eliminated, and the purpose of remediating soil is finally achieved.

The invention discloses a method for cutting propagation with tender branches of Japanese red maple Qinglong, wherein the method includes the steps of pre-treatment before cuttage, cuttage of Japanesered maple Qinglong, management after cuttage and the like. The treated Japanese red maple Qinglong has high rooting rate and developed root systems, and the operation is simple. Through the cuttage technology, hormone ratio and matrix screening, the cuttage of the Japanese red maple Qinglong is finally successful. Cuttage comprises the following steps: optimizing Qinglong tender branches grown incurrent year, quickly dipping in a preferable solution containing 500 ppm IBA and 300 ppm IAA, inserting into a mixed matrix with the ratio of perlite to vermiculite to peat of 1:1:1, spraying with water regularly to moisturize, and 30 d later, performing statistics on the rooting rate reaching 88%.

The invention discloses a preparation method of a fertilizer composition. The method comprises the steps of material preparing, stacking, chemical spraying, turning, stirring, screening and the like. The fertilizer composition prepared through the method is high in major element content, medium element content and trace element content, growth of plants is facilitated, substance accumulation of nutrients in plant bodies is richer, the plant quality is improved, the voidage of soil can be increased simultaneously, the effects of fertilizer conservation and water conservation are good, the air permeability of soil is excellent, and the growth requirement of the plants can be fully met. According to the preparation method of the fertilizer composition, use of chemical agents in fertilizer preparation is reduced, the soil is improved indirectly, the phenomenon of soil hardening is avoided, the environment of the soil is improved, and the fertility of the soil is increased.