187results about How to "Improve profit margins" patented technology

The invention discloses a sneaker sole material with high wear resistance and low hardness and a preparation method thereof, particularly a method for preparing a sneaker sole material which is suitable for middle and high-grade sneaker soles with higher requirements on wear resistance and comfort. The sneaker sole material comprises the following components: butadiene rubber (BR), natural rubber (NR), styrene butadiene rubber (SBR), softening oil, a reinforcing agent, an activating agent, a coupling agent, a vulcanizer, a vulcanization accelerator, a tackifier and an anti-aging agent. A series of sole material with high wear resistance (DIN abrasion is less than or equal to 40mm<3>, and the length of grinding marks is 3.0 to 4.0mm) and low hardness (ShoreA 60-66) is prepared by screening the proportion of rubber composition, the coupling agent, the accelerator, and the activating agent and reasonably controlling a process on the basis of the rubber, the softening oil and the reinforcing agent. The material has the advantages that: (1) the total weight of a sneaker sole is expected to be reduced, namely the thickness of a rubber outer sole of a sneaker can be reduced under the condition that the material has the wearing life which is the same as that of the conventional sneaker sole, so that the total weight of the sole is reduced; (2) the humidity and slip resistance is improved, namely the hardness of the sole is lower and the sole is easy to distort under the condition of stress, so that the contact area of the sole and the ground is increased, and the aim of improving the humidity and slip resistance of the sole is fulfilled; and (3) the comfort is improved.

The invention discloses a material for high-wear-resistant rare earth rubber shoes and a preparation method thereof. The material is prepared from rare earth polybutadiene rubber (NdBR), isoprene rubber (IR), solution polymerized butadiene styrene rubber (SSBR), a softening agent, an activating agent, a coupling agent, a vulcanizing agent, a vulcanization accelerator, an anti-aging agent and surface modified ground rubber. The invention adopts a die pressing method to prepare a series of rubber shoe sole materials with wear resistance (DIN wear is 30 to 120mm<3>), slip limit (dry slip is 0.6 to 1.1, and wet slip is 0.3 to 0.6), and moderate hardness (Shore A) 60 to 70; the material has the following advantages that (1) the wear resistance is better; (2) the slip limit is improved; (3) the comfort is increased; (4) the production cost can be remarkably reduced, the profit space is improved, and the energy is saved.

The invention discloses pineapple-flavored wax gourd soft sweets with a health-care function. The pineapple-flavored wax gourd soft sweets with the health-care function are characterized by being prepared from the following raw materials in parts by weight: 400-450 parts of wax gourds, 2-3 parts of carrageenan, 18-22 parts of gelatin, 45-55 parts of maltitol, 1-2 parts of aspartame, 40-50 parts of pineapples, 10-14 parts of lotus powder, 14-16 parts of konjaku flour, 4-8 parts of cinnamon and 8-10 parts of pericarpium citri reticulatae. The preparation process of the pineapple-flavored wax gourd soft sweets disclosed by the invention are simple, the edible value of the wax gourds is developed and utilized to the maximum extent, and the profit margin of the wax gourds is improved. The prepared wax gourd soft sweets not only have a special faint scent of the wax gourds, but also have a certain health-care effect. The wax gourd soft sweets are agreeable in sweetness and suitable for people of all ages and have a good application prospect and economical benefit.

The present invention provides a preparation method of breast-milk patterned structured oil and the breast-milk patterned structured oil prepared by the preparation method and use of the breast-milk patterned structured oil. More specifically, according to the method, palmitic-acid-rich oil, oil rich in saturated fatty acids having the carbon number of 6-14, and oil rich in unsaturated fatty acids are used as raw materials for preparation of the breast-milk patterned structured oil by combination of random ester exchange reaction and directional ester exchange reaction. The Sn-2 position of the breast-milk patterned structured oil is the saturated fatty acid, the saturated fatty acid accounts for 50wt%-70wt% of the weight of total saturated fatty acids in the breast-milk patterned structured oil, and the Sn-1 position and the Sn-3 position of the breast-milk patterned structured oil are unsaturated fatty acids, so that the breast-milk patterned structured oil is in close proximity to the structure of breast milk triglyceride, and the breast-milk patterned structured oil prepared by the preparation method can be more easily absorbed by infants and young children, and is more conducive to promoting of growth and development of the infants and young children.

The invention discloses industrial gear oil, which contains the following components by weight percent: 98-99.5 percent of base oil with saturated hydrocarbon content being more than 90 percent and sulfur content being less than 0.03 percent, 0.1-0.5 percent of amine antioxidant, 0.1-0.9 percent of sulfur-containing extreme pressure antiwear agent, 0.02-0.1 percent of antirust and anticorrosion additive, 0.01-0.05 percent of metal deactivator and 0.001-0.5 percent of anti-foaming agent. The industrial gear oil provided by the invention has good extreme pressure lubricating performance and good antirust and anticorrosion performance, and has the advantages of high quality, long service life, no pollution and the like; by formulating the high-quality base oil and novel environmental-friendly gear oil additives and by using the unique extreme pressure antiwear agent, not only can the bearing capacity of the gear oil be greatly improved, but also the impact caused by the traditional lead-containing formula to the health of operating workers is precluded and the surfaces of steel and copper parts can be effectively prevented from being worn; and due to proper adhesiveness and extremely low friction coefficient, the noise produced by gears during operation and the temperature of a machine body can be effectively reduced, the energy consumption is reduced and the service life of the gears is prolonged.

The invention relates to a preparation method of a human milk fat substitute, the human milk fat substitute prepared by the method, and use of the milk fat substitute. Specifically, edible fat is used as a raw material, and a random ester exchange reaction, a physical mixed reaction and a directed ester exchange reaction are performed, so that the human milk fat substitute is prepared. In the human milk fat substitute disclosed by the invention, compared with the total weight of fatty acid residues at an Sn-2 site of triglyceride of the human milk fat substitute, the content of palmitic acid residues at the Sn-2 site is 20wt%-60wt%, and the content of linoleic acid at the Sn-2 site is 3wt%-15wt%; compared with the total weight of the fatty acid residues in the triglyceride of the human milk fat substitute, the total content of the linolenic acid is 1wt%-5wt%. According to the method disclosed by the invention, the edible fat with broad sources is used as the raw material, and the technology is simple, so that the mass production of the human milk fat substitute of which the structure is similar to that of breast milk triglyceride in industry at a low cost can be realized. The human milk fat substitute prepared by the method disclosed by the invention is easy to absorb by babies, and promotion of the growth and the development of the babies is facilitated.

The invention provides a charging and discharging circuit with an automatic protecting function. The charging and discharging circuit comprises a power source input end, a power source output end, a battery, a charging module and a voltage boost module, wherein the charging module comprises a charger, a battery voltage feedback unit and a first switch unit, the charger comprises a charging current detecting unit, an input voltage detecting unit, a voltage comparison module and a charging control unit, and the first switch unit is connected between the power source input end and the battery; the voltage boost module comprises a voltage boost converter, an output voltage feedback unit, a power switch tube and a second switch unit, and the voltage boost converter comprises a battery voltage detecting unit, a discharging current detecting unit and a voltage boost control unit. The charging and discharging circuit achieves the automatic protecting function and meanwhile can reduce the number of components, and therefore the overall area of the circuit is reduced, cost is saved, the complexity of the circuit is reduced, and the reliability of the circuit is improved.

The invention relates to a technological method for comprehensively recovering vanadium and potassium through acid leaching of pulverized fuel ash. The technological method comprises the following steps: (1) leaching-flying ash neutralization operation; (2) aluminum potassium sulfate crystallization operation; (3) lime neutralization operation; (4) reduction operation; (5) extraction-reextraction operation; (6) crystallization-vanadium precipitation operation; and (7) bichromate calcination operation. Potassium can be recovered by crystallization through using leached supernate, and partial impurity aluminum can be effectively utilized; ammonium alum can be prepared from return water through crystallization, thus further recovering impurity aluminum and also providing a guarantee for quality of finally produced up-to-standard refined vanadium; an extraction raffinate returns to the leaching operation after being treated, no waste water is emitted, and simultaneously the recovery rate of potassium can also be improved. The method is low in running cost, capable of guaranteeing the smoothness of the whole vanadium extraction technology, and less in environmental pollution.

The invention discloses a low-temperature high-toughness V-N alloyed ship plate steel and a manufacturing method thereof. The steel comprises the following chemical elements in percentage by weight: 0.055% to 0.15% of C, 0.1% to 0.25% of Si, 1.55% to 1.65% of Mn, 0.035% to 0.045% of V, 0.003% to 0.013% of Ti, 0.006% to 0.0095% of N, not more than 0.02% of P, not more than 0.02% of S, not more than 0.03% of Als, and the balance being Fe and inevitable impurities. The steel is prepared by the following steps: smelting in vacuum environment, introducing nitrogen gas into the furnace after the refinement, casting ingots, heating the ingots to a temperature of 1150 to 1250 DEG C, and maintaining the temperature for 0.5 to 2.5 hours; wherein the rolling temperature is 1050 DEG C to 1130 DEG C, the cooling temperature is 850 DEG C to 950 DEG C, and the re-reddening temperature is 500 to 800 DEG C. The formula of the steel is re-designed, thus the carbon content of the steel is effectively reduced, and the welding performance of the steel is improved. At the same time the cheap nitrogen element is fully utilized to optimize the precipitate of V, so the strength and toughness of the steel are both improved, and the cost of the steel is reduced too.

The invention discloses steam turbine oil which comprises the components by weight percent: 0.1-2% of amine antioxidant, 0.1-0.9% of anti-wear reagent at extreme pressure, 0.02-0.5% of ashless rust inhibitor, 0.01-0.05% of metal deactivator, 0.001-0.01% of anti-foaming agent and the balance of base oil; the base oil is III type base oil, wherein the content of saturated hydrocarbon is more than 90%, and the content of sulphur is less than 0.03%; the amine antioxidant is selected from alkylated diphenylamine, phenyl naphthylamine or a mixture of the alkylated diphenylamine and the phenyl naphthylamine; the anti-wear reagent at extreme pressure is one or a mixture of more than one of alkyl phosphorothioate, alkyl phosphate, alkyl phosphate amine salt and alkyl sulfo-carbamic acid ester, wherein alkyl group is C2-C20 hydrocarbyl; and the ashless rust inhibitor is vinyl succinic acid, or phosphate amine salt, or a compound mixture of the vinyl succinic acid and the phosphate amine salt. The steam turbine oil has the advantages of being excellent in quality, long in service life, free from pollution and the like, is suitable for lubricating bearings and circulation adjusting systems of large-sized, medium-sized and small-sized steam turbines (water turbines), and is mainly used for a steam turbine or gas turbine with the power more than 300MW.

The invention discloses a process for continuously producing m-toluic acid. The process comprises a synthesizing production process corresponding to a synthesizing workshop section and a rectifying production process corresponding to a rectifying workshop section. The process for continuously producing m-toluic acid comprises a work flow of (1) synthesizing process, namely synthesizing by adopting a multi-level outer-loop serial connection process; and (2) rectifying process, namely rectifying by utilizing an m-xylene recovery tower, a m-tolualdehyde recovery tower and a m-toluic acid rectifying tower. The process has the advantages of reasonable structural design and continuous operation, a gaseous phase and a liquid phase are sufficiently contacted by means of countercurrent to react, so that the reaction efficiency can be greatly improved, the product production capacity in unit interval can be improved, and operation energy consumption can be reduced. Furthermore, the continuous rectification process can be used for greatly shortening the time for heating a to-be-separated mixture and remarkably inhibiting generation of deep byproducts, so that the once through yield can be greatly improved, and the production benefit can be remarkably increased.

The invention provides an artificial hatching method for pigeon eggs. The artificial hatching method comprises the following steps: selecting a nanny pigeon; picking up pigeon eggs; sterilizing; choosing the hatching temperature and the hatching humidity; ventilating; candling the pigeon eggs; turning over the pigeon eggs and performing later period management of hatching. The hatching yield of the pigeon eggs is improved by 5-20% by adopting the artificial hatching than that by a natural hatching; the pigeon egg-laying period of the breed pigeon is ahead of time for 10-15 days; the number of broken pigeon eggs is reduced by about 10-20%; the hatchability of fertilized pigeon eggs is improved by about 10-25%; therefore, the artificial hatching method for the pigeon eggs is high in application value.

The invention discloses an automatic processing assembling device for a screwdriver. A machine head is fixedly arranged above the left side of a machine base; a discharge tube is processed in the machine head; a pneumatic chuck is fixedly arranged at the right side of the machine head; a horizontal feeding mechanism is mounted at one side of the machine head, and comprises a horizontal feeder and a horizontal feeding rail; a discharge block is fixedly arranged between the horizontal feeder and the machine head, and abuts against the horizontal feeding rail; an air cylinder is arranged at the left side of the discharge block; a slide path is mounted at the right side of the machine base; a knife rest is positioned on the slide path and is driven by a power lead screw; a processing through hole in the knife rest is used for mounting the lead screw; the inner side of the lead screw is limited by a cover plate, and the outer side of the lead screw is connected with a motor; a dovetail slot is processed in the wall surface at the left side of the knife rest; a tool bit is embedded into the dovetail slot from a slide bock, and is connected with the lead screw through a connecting block; a pneumatic chuck I and a pneumatic chuck II are mounted on the tool bit; a reducing drill bit is fixedly arranged on the pneumatic chuck I; a PLC controls the knife rest to move; after the reducing drill bit drills, the pneumatic chuck II drives out a screw cutter bar from a discharge block and is inserted into a cutter bar hole in an interference mode; and the automatic processing assembling device is compact in structure, realizes once positioning of the screw cutter shank, and is high in assembly precision.

The invention relates to a human milk fat substitute preparing method, a human milk fat substitute prepared by the method, and uses of the milk fat substitute. In particular, the human milk fat substitute is prepared by adopting edible fat and oil as a raw material, and by random interesterification, directed interesterification and physical mixing. In the human milk fat substitute, based on the total weight of fatty acid residues at the Sn-2 site in triglyceride in the human milk fat substitute, the content of palmitic acid residues at the Sn-2 site is 20-60 wt% and the content of linoleic acid at the Sn-2 site is 3-15 wt%. The total content of linolenic acid is 1-5 wt% based on the total weight of fatty acid residues in triglyceride in the human milk fat substitute. The method adopts the edible fat and oil wide in source as the raw material and is simple in process, and therefore the human milk fat substitute the composition of which is similar to that of human milk triglyceride can be produced in a large scale at a low cost in the industry. The human milk fat substitute prepared by the method can be easily absorbed by infants and is beneficial to growth and development of the infants.