75results about How to "Improve organizational form" patented technology

The invention provides a high-silicon wrought aluminum alloy material and a production method thereof. The high-silicon wrought aluminum alloy material comprises the following components in percentage by weight: 8.0%-11.0% of Si, 4.0%-6.5% of Cu, 2.0%-3.6% of Mg, 0.5%-2.5% of Mn, 7.5%-9.5% of Zn, Cr is less than or equal to 0.50%, Ti is less than 0.05%, Ni is less than 0.05%, and the balance of Al, wherein each other impurity monomer is less than or equal to 0.05%, and other impurities are less than or equal to 0.15%. The production method comprises the following steps and main process parameters: when the smelting temperature reaches 700-750 DEG C, adding 0.02%-0.05% of an Sr alterant according to the total weight of the raw materials in an Al-Sr intermediate alloy manner, then carrying out deaeration at 710-720 DEG C, filtering the impurities, and carrying out refining and ingot casting. According to the production method, the organization form of high-silicon aluminum alloy is effectively improved, and the mechanical property of the aluminum alloy is improved.

The invention discloses a frozen surimi quality improver. The frozen surimi quality improver comprises, by mass, 5-10% of an antifreeze agent, 20-30% of a water retaining agent, and the balance of a gel enhancer. The frozen surimi quality improver is obtained through continuous screening and optimization, has the advantages of scientific and reasonable compatibility, good safety, great improvement of the gel strength, the texture, the water retaining ability, the adhesion ability and other characteristics of frozen surimi on the premise of keeping the flavor of the frozen surimi, and effective improvement of the quality of the frozen surimi. The invention also provides a preparation method of the frozen surimi quality improver. The frozen surimi quality improver is obtained through compounding above components. The preparation method has the advantages of simple technologic steps, easiness in enforcement, no special requirements on devices, and low preparation cost.

The invention relates to the field of preparing of alloy materials, in particular to a pulse current assisting titanium-TiAl composite plate non-sheath rolling method. The pulse current assisting titanium-TiAl composite plate non-sheath rolling method aims at solving the problems that a plate prepared through an existing foil metallurgy method for titanium-TiAl composite plates is small in size, not uniform in thickness, large in component deviation and low in strength and plasticity, and the problems that a sheath hot rolling method is high in cost, complex in technology and high in rolling temperature, and the quality and performance of composite plates need to be further improved are solved. The pulse current assisting titanium-TiAl composite plate non-sheath rolling method includes thespecific steps that firstly, a titanium alloy plate is prepared; secondly, a TiAl alloy plate is prepared; thirdly, non-sheath assembling is conducted; fourthly, pulse current auxiliary hot rolling is conducted; and fifthly, separating and subsequent treatment are conducted, and a titanium-TiAl composite plate can be obtained. The composite plate obtained in the pulse current assisting titanium-TiAl composite plate non-sheath rolling method is good in surface quality, free of oxide layer disengagement, free of edge portion and end portion cracking, uniform and small in plate organization, good in bonding interface and good in mechanical performance.

The invention relates to health preserving whole-cereal milk and a preparation method thereof, belonging to the technical field of formulated milk. The health preserving whole-cereal milk comprises the following raw materials by weight percent: 1-1.5% of compound medlar concentrated juice, 1-2% of red date concentrated juice, 2-10% of brown rice, oat and corn compound enzymatic hydrolysate, 0.1-0.3% of stabilizing agent, 0.1-0.3% of lucid ganoderma extract, 0.5-1% of longan concentrated juice, 0.1-0.2% of Chinese yam polysaccharides, 0.05-0.1% of black sesame powder, 0.01-3% of sweetening agent and the balance of raw milk. The health preserving whole-cereal milk is prepared by scientifically mixing medicinal and edible natural health care products such as medlar, Chinese dates, longan, Chinese yam, black sesame and the like with lucid ganoderma according to the principle of the traditional science of health preserving of traditional Chinese medicine and adding enzymatic hydrolysates of whole-cereals such as corn, brown rice, oat and the like to coordinate with milk. The product is nutritionally balanced and has good color, aroma and taste and prominent health care and preserving effects.

The invention relates to health preserving cereal milk and a preparation method thereof, belonging to the technical field of formulated milk. The health preserving cereal milk comprises the following raw materials by weight percent: 2-3% of compound medlar concentrated juice, 1-2% of red date concentrated juice, 0.5-10% of wheat germ powder, 0.1-0.3% of stabilizing agent, 0.1-1% of lucid ganoderma extract, 0.5-3% of longan concentrated juice, 0.5-1% of Chinese yam polysaccharides, 0.05-0.5% of oat powder, 1-3% of buckwheat enzymatic hydrolysate, 0.05-0.2% of black sesame powder, 0.01-3% of sweetening agent and the balance of raw milk. The health preserving cereal milk is prepared by scientifically mixing medicinal and edible natural health care products such as medlar, Chinese dates, longan, Chinese yam and the like with lucid ganoderma called fairy grass according to the principle of the traditional science of health preserving of traditional Chinese medicine, then carrying out reasonable compatibility on the mixture and milk and adding cereals to make up for the deficiency of nutritional ingredients of milk. The health preserving cereal milk is nutritionally balanced and has good color, aroma and taste and certain health care and preserving effects.

The invention discloses a wear-resistant vanadium-titanium gear and a preparation method thereof. The wear-resistant vanadium-titanium gear is composed of the following components in percentage by weight: 0.18-0.33% of carbon, 2.3-3.8% of chromium, 0.3-0.5% of manganese, 0.17-0.25% of silicon, 3.8-4.2% of nickel, 1.0-1.8% of tungsten, 1.10-2.15% of vanadium, 1.48-2.57% of titanium, 0.21-0.34% of copper, 1.3-2.1% of molybdenum, 0.18-0.32% of rare earth, 0.0018-0.0041% of boron, at most 0.035% of sulfur and phosphorus, and the balance of iron and inevitable impurities. The method comprises the following steps: preheating treatment, isothermal annealing treatment, primary quenching, primary tempering, carburizing treatment, high-temperature tempering, secondary quenching, secondary tempering and shot blasting. The finally obtained gear has the advantages of high mechanical properties (wear resistance, fatigue resistance, hardness and the like), favorable comprehensive properties and longer service life, and is especially suitable for the high-speed heavy-load high-impact-force occasions with the gear module of greater than 6.

The invention relates to the field of preparation of alloy materials, in particular to a preparation method for a TiAl-Ni alloy plate with high strength and toughness and high stability. The preparation method aims to solve the problems of uneven structure and poor mechanical properties caused by excessive grain growth and process heredity of a TiAl alloy plate material prepared through existing ingot metallurgy and powder metallurgy methods, especially the problems of low strength and plasticity. The preparation method comprises the following steps of 1, weighing raw materials; 2, smelting acast ingot; 3, carrying out primary pretreatment on a blank; 4, carrying out secondary pretreatment on the blank; 5, carrying out jacketing and hot rolling; 6, carrying out stabilizing treatment; and7, removing a jacket so as to obtain the TiAl alloy plate. The plate obtained through the preparation method has the advantages of being good in surface quality, fine and uniform in structure, good inmechanical property and high in repeatability.

The invention discloses a method for modifying an AlSi9Cu2 alloy by rare-earth Y, and relates to a method for modifying a cast aluminum-silicon alloy. By using the method for modifying the AlSi9Cu2 alloy by the rare-earth Y, the problem that a gas-hole defect exists in an AlSi9Cu2 cast alloy obtained by adopting a modifier Sr is solved. The method provided by the invention comprises the following steps of weighing to take high-purity aluminum, an Al-2OSi intermediate alloy, high-purity copper and an Al-10Y intermediate alloy raw material, fusing the high-purity aluminum and the Al-2OSi intermediate alloy, then pressing the high-purity copper into an obtained first mixture, smelting an obtained second mixture to obtain a fused mass, then adding the Al-10Y intermediate alloy into the fused mass, smelting an obtained third mixture, and pouring the smelted third mixture, so that the AlSi9Cu2 alloy is obtained subsequently. The method provided by the invention is simple, and is suitable for mass production. No gas holes exist in the obtained Y-modified AlSi9Cu2 alloy; the cast structure of the alloy is obviously thinned; the obdurability of the AlSi9Cu2 alloy is improved; and the compactability of a casting is increased.

The invention provides a plant composite enzyme. The plant composite enzyme comprises main materials and auxiliary materials, wherein the main materials are selected from at least four types of semen cassiae, semen pruni, brown rice, semen coicis, black fungus, fructus cannabis, rhizoma polygonati, fructus lycii, black rice and sesame; the auxiliary materials comprise konjaku flour, jerusalem artichoke flour, soybean protein, whey protein powder, citrus fiber, oat bran and hawthorn powder. The plant composite enzyme has the advantages that the main raw materials are traditional Chinese medicines with medicine and food homology property, are fermented and processed, and are matched with other beneficial raw materials; by adopting the technical scheme, the main functions of relaxing bowel, clearing intestines and detoxifying, adjusting balance of intestinal flora, and balancing and nourishing intestines are realized, and other multiple physiological function of assisting for reducing blood glucose and blood pressure and the like are realized.

The invention discloses saccharomyces cerevisiae and application thereof in preparation of fermented food, and belongs to the technical field of microorganisms. The saccharomyces cerevisiae LBBE-1 with the preservation number of GDMCC No:60989 disclosed by the invention can resist high sugar and high salt; the saccharomyces cerevisiae LBBE-1 is cultured in a high-sugar and high-salt environment with the glucose concentration of 300g/L and the NaCl concentration of 20g/L for 20 hours to reach a stable period; moreover, the OD600 of a culture solution obtained by culturing the saccharomyces cerevisiae LBBE-1 in a high-sugar and high-salt environment with the glucose concentration of 300g/L and the NaCl concentration of 20g/L for 20 hours is as high as 30.18 and is improved by 33.30 times compared with that of the original strain saccharomyces cerevisiae LBBE-1.

The invention provides a compound thickening agent for improving the texture and emulsifying property of a meat product and a preparation method and application thereof. The compound thickening agentis prepared from Sanzan gum, sodium hyaluronate, xanthan gum, konjac glucomannan, flaxseed gum and curdlan gum, the Sanzan gum, the sodium hyaluronate, the xanthan gum, the konjac glucomannan, the flaxseed gum and the curdlan gum are weighed according to the specified weight part ratio, added in sequence and mixed, and after uniform mixing, the compound thickening agent is obtained. On the premisethat the cost is little increased, the texture property, the water binding capacity, the gel strength and the yield of the meat product can be improved by using the compound thickening agent; the compound thickening agent is used in the production process of the meat product, materials can be significantly emulsified and evenly mixed, fat separation is prevented, the water-retaining property andthe hardness of the product are improved, the tissue form of the product is improved, the elasticity of the meat product is increased, the machining operability is improved, adhesion is reduced, demoulding and slicing are facilitated, and the quality of the meat product is improved.

The invention discloses a high-strength-and-ductility gray pig iron surface tissue form heating power reconstruction method, and relates to metal material surface modification. The method mainly comprises the steps of gray pig iron surface magnetic control forced cooling laser fusion, laser shock and follow-up graphitization annealing treatment. Firstly, laser radiation is carried out to enable the gray pig iron surface to generate quick fusion under the action of a magnetic field, forced cooling solidification is carried out, and the wee surface white tissue is formed; secondly, laser shock is adopted for treating the gray pig iron surface obtained after laser fusion, the stress state of a fusion layer is changed, the white tissue on the surface layer is further refined, the tissue defectis increased, and tissue preparation is made of graphitization annealing; and finally, graphitization annealing is carried out to enable cementite in the surface refined whit tissue to be converted into wee spheroidal graphite, and the high-strength-and-ductility surface tissue form is prepared. By means of the method, the gray pig iron surface tissue form can be effectively improved, the graphitization time is shortened, and the surface obdurability is obviously improved. The high-strength-and-ductility gray pig iron surface tissue form heating power reconstruction method is simple in process procedure, easy to operate and suitable for large-scale batched production.

The invention provides short-process continuous casting and continuous extrusion equipment for titanium or titanium alloy wires. The short-process continuous casting and continuous extrusion equipment comprises a mixing and feeding device, a melting and ingot casting device, a pulling device, a continuous rod making device, a continuous wire drawing device and a wire winding device. Different kinds of raw materials enter a cooling bed in the melting and ingot casting device after being fed and mixed, metal liquid is formed through heating and smelting of a plasma gun, the metal liquid overflows into a crystallizer for ingot casting forming, formed ingots enter the continuous rod making device after being pulled out through the pulling device, the structure form needed by wire drawing is obtained through the continuous rod making device, then the ingots enter the continuous wire drawing device for wire drawing to obtain formed wires, and the formed wires are wound into a reel through the wire winding device. The invention further provides a short-process preparation method for the titanium or titanium alloy wires. According to the short-process equipment for the titanium or titanium alloy wires, the machining procedure is shortened through continuous design, and the titanium alloy wires with more uniform components and better structure forms are obtained through the specific structural design of continuous casting and continuous extrusion.

The invention relates to a high dietary fiber milk beverage and a preparation method thereof, belonging to the technical field of milk beverage processing. In the high dietary fiber milk beverage, the total amount of modified dietary fiber is not less than 3g/100mL, the fat content is 1.1-1.5g/100g, and the protein content is not less than 1.0g/100mL; the total sweetness is 60-120g/L; the acidity is 43-48 DEG T; the dose of a stabilizing agent is 0.1-0.2g/100mL; and the modified dietary fiber is obtained by mixing onion powder, apple fiber, oat fiber and wheat germ fiber through ultrasonic extraction and biological enzymolysis. Meanwhile, soluble dietary fiber and non-water-soluble dietary fiber are replenished, so that the high dietary fiber milk beverage is easy to digest and absorb and not easy to cause excessive internal heat.

The invention discloses a method for preparing cloud and mist tea. The method comprises the following steps of: cleaning green tea leaves, heating and dehydrating the tea leaves in vacuum, then rolling and further dehydrating the tea leaves, and the like. According to the processing technology, after being picked in a tea garden, the tea leaves are sorted, cleaned, dried, withered, subjected to fine manipulation, fried, rolled and then dried for forming; and a vacuum low-temperature solid continuous dryer is adopted for producing the cloud and mist tea with faint and mellow scent and rich fragrance, and the flavor of the cloud and mist tea does not change after the tea leaves are immersed for many times. The method can meet requirements on industrial and large-scale production; and furthermore, the nutritive value of the cloud and mist tea made by the method is higher than that of cloud and mist tea manufactured by conventional methods, and thus the economical benefit of the cloud and mist tea can be greatly improved.

The invention relates to a method for heating a metal material in additive manufacturing. Power density distribution on a cross section of a laser beam emitted by a laser is controlled by a light beam shaping technology, thereby flexibly controlling a temperature variation curve of the heated metal material; and an extra design degree of freedom is provided for a material process design of additive manufacturing, thereby improving an organization form and mechanical properties of an obtained material or realizing the organization form and the mechanical properties with special requirements.

The invention relates to the technical field of mould shell casting and discloses a machining method for a high-temperature resistant and anti-cracking casting. The machining method comprises the following steps that (1) a wax mould is prepared, specifically, bassanite, a wax material, pyrophosphate and glass glaze powder are added in a wax material, thus, surface toughness is reduced, the organization form of the casting can be improved, an obtained mould shell is good in stability, the paste preparing efficiency is improved, and the wax material recycling rate is high; (2) materials on the inner layer and the outer layer of the mould shell casting are fused, specifically, quartz serves as a main raw material, zircon sand, zirconia, corundum and the like are added, thus, the mechanical properties such as tensile strength, harness and impact value of the casting are improved, by adding an adhesive, adhesiveness is good, the properties are not attenuated at the high temperature, and thefusion property of a fire retardant with ethyl silicate as the main component and fusion slurry is good; and (3) dewaxing treatment is conducted at the high temperature of 1000-1100 DEG C, and the required mould shell casting is obtained after the wax mould is completely fused. The machining method for the high-temperature resistant and anti-cracking casting is suitable for batch production of castings, and the production efficiency is high.

The invention provides a method for 3D printing of a gamma-TiAl alloy in a static magnetic field. 3D printing is carried out on pre-alloyed powder according to three-dimensional data of a gamma-TiAl alloy formed part to obtain the gamma-TiAl alloy, and 3D printing is carried out in the static magnetic field. When the gamma-TiAl alloy is prepared, an external magnetic field is applied to obtain the compact high-performance gamma-TiAl alloy, and the external magnetic field can further improve the internal structure form of the alloy, reduce residual stress, obtain higher mechanical properties and reduce the cracking risk which may be caused by subsequent heat treatment; and the gamma-TiAl alloy prepared through a 3D printing technology has the characteristics of being high in flexibility, high in material utilization rate, short in production period and the like, and the solidification structure in the gamma-TiAl alloy is small. The result of the embodiment shows that the tensile strength of the gamma-TiAl alloy prepared through the method is larger than 560 MPa, the hardness is larger than 420 HV, and the ductility ranges from 0.5% to 0.8%.