60results about How to "Same temperature inside and outside" patented technology

The invention belongs to the field of externally-used traditional Chinese medicines, in particular to an externally-used hot compress mud plaster for treating pains of a human body and a preparation method thereof. The externally-used hot compress plaster comprises the following raw materials: 10-15% of natural jade mud powder, 3-5% of tourmaline micro powder, 3-5% of far infrared ceramic micro powder, 15-25% of Chinese medicinal herb, 10-20% of mud plaster matrix, 25-35% of beeswax and 5-15% of red lead. The externally-used hot compress mud plaster is used for acupuncture points of the human body. The mud plaster is heated to melt; after about 10-15 minutes, the cooling melted mud plaster is sticked to a pain area after being cleaned, so as to activate the vigor of skins, and expel toxins of the skins. The hot compress mud plaster has the advantages of heat absorption and heat preservation, even heat dissipation, consistent temperature, can get through the meridians, dispel the wind and remove the cold, activate blood circulation to dissipate blood stasis, eliminate goiter and tumour, thoroughly remove the pain, treat headache, toothache, prosopalgia, sore-throat, chest and hypochondriac pain, epigastric pain, bellyache, gout, backleg pain and cerv shoulder pain, herniated disk, ischialgia, rheumatalgia, and spinal pain; and the plaster in the invention is convenient to stick to the different parts of the human body, does not harden and flow, solidifies after taking away from the human body, and can be reused by repeated heating.

The invention discloses a quick heating device for a high-temperature SHPB dynamic impact experiment. The device comprises an upper box, a lower box, a temperature sensor, a heating channel, a guide rail, an electric-thermal conversion device, a hinge, a wire, a temperature measurement hole, a heating tile, heat insulation cotton, a wall, a handle, a ring, a fastener and a heat insulation plate, wherein the temperature sensor is connected with a temperature control device to regulate the temperature inside the heating device in real time, temperature is displayed through the temperature control device, and precise control of heating temperature is achieved; by arranging the heat insulation plate, dissipation of temperature does not occur easily, temperature inside a test piece and temperature outside the test piece can be made consistent, and the situation that the temperature of the test piece is uneven is avoided. The device not only can heat test pieces independently but also can quickly installing and heating test pieces, heating and impacting can be conducted at the same position, test pieces can be positioned accurately, the structure is simple and compact, operation is easy, working efficiency is high, capital input is low, and the device is economical and convenient to popularize.

The preparation process of positive pole material for lithium ion cell includes the following steps: setting the mixture of hydroxide, oxide or salt of lithium and hydroxide, oxide or salt of transition metal in certain ratio in crucible; setting the crucible in microwave oven to calcine the mixture; setting the crucible in electric furnace to sinter the calcined matter; cooling the crucible with sintered matter in cooling cavity; crushing and sieving the sintered matter to obtain the positive pole material product for lithium ion cell. The apparatus for preparing positive pole material for lithium ion cell, combined microwave-electric heating furnace, is also disclosed. The present invention is suitable for continuous large-scale production of positive pole material for lithium ion cell.

The invention relates to a cord-like Fenghuang Dancong black tea preparation method, sequentially comprising the following steps of: picking up fresh leaves, broiling the fresh leaves, drying the fresh leaves, touching the fresh leaves, naturally withering, twisting, fermenting, drying and baking with charcoal. The cord-like Fenghuang Dancong black tea preparation method is re-innovated by using a Fenghuang oolong tea collecting and processing process and a black tea refining process. The black tea prepared by using the method not only has the characteristics of natural flowery / fruity sharpness, strong honey taste, obvious hill rhythm, strong sweet force, and brewing resistance of Fenghuang oolong tea, but also has the characteristics of warm nature, warm stomach and mellow taste of the black tea. Furthermore, the prepared finished product tea has various natural floral note / fruity and specific plexus rhyme, can meet the requirements of consumers with different tastes, and is a tea production process with generalization significance.

The invention relates to a composition for mud moxibustion of rheumatic diseases, and the composition is composed of the following raw materials: 30-60mg of beeswax, 300-500mg of paraffin, 1000-1500g of clay, 30-60g of physiotherapy ore, 10-30mg of sesame oil, 10-30mg of essential oil, 40-60g of honey, 5-20g of tiger bone, 5-20g of Atractylodes, 5-10g of radix aconiti, 5-10g of wild aconite, 10-30g of Angelica dahurica, 5-20g of notopterygium root, 5-20g of heracleum hemsleyanum michaux, 5-20g of Astragalus root, 5-20g of angelica, 5-20g of Ligusticum wallichii, 5-20g of cassia twig, 5-20g ofeucommia, 5-10g of Clematis chinensis, 10-20g of Lycopodium clavatum and 10-30g of speranskia herb. The composition provided by the invention has the functions of warming and activating channels and collaterals, promoting qi and activating blood circulation and eliminating swelling and pain, is convenient to use, simple to prepare, safe and nontoxic and has the advantages of extensive drug sources and good curative effect.

The invention relates to a manufacturing mould for an annular shearing test sample. The manufacturing mould comprises a base 3. The manufacturing mould is characterized by further comprising an inner ring 1, an outer ring 2, a base 3 and an annular cover 4; an inner annular slot and an outer annular slot which are respectively used for accommodating the inner ring 1 and the outer ring 2 are formed on the base; the inner annular slot and the outer annular slot are concentric with each other; the outer ring 2 is encircled by more than two annular arcs; an inner diameter of the annular cover 4 is matched with an outer diameter of the inner ring 1; and the outer diameter of the annular cover 4 is matched with the inner diameter of the outer ring 2. The height of the annular cover is confirmed according to the height of the to-be-manufactured mould.

The invention discloses a method for preparing a wide range pure nickel cold rolling coiled material. The method includes the following steps of (1) subjecting pure nickel hot rolled plates to atmosphere annealing treatment; (2) subjecting the pure nickel hot rolled plates to cold rolling scale breaking, and removing oxide-scales by acid pickling to obtain plates; (3) cutting and trimming heads and tails of multiple plates on a finishing machine, then performing plasma tailor welding, and rolling to obtain a rolled billet; (4) rolling the rolled billet for one rolling process to obtain a coiled material; (5) performing oil removal processing; (6) performing vacuum annealing treatment; and (7) uncoiling, and cutting and removing head and tail leading tape portions to obtain the wide range pure nickel cold rolling coiled material, or repeating the steps (4), (5) and (6) once, uncoiling, and cutting and removing the head and tail leading tape portions to obtain the wide range pure nickel cold rolling coiled material. The method has the advantages that the method is simple, the industrialized production is easy to achieve, the pure nickel coiled material with the thickness of 0.5mm to 2.0mm and the breadth of 1200mm to 1400mm can be prepared through one to two times of cold rolling, and the blank of domestic wide range pure nickel coiled material is filled.

A copper strip bell-type annealing process disclosed by the present invention comprises the following steps: a. put the copper strip roll into the annealing furnace to evacuate, and then fill it with nitrogen; b. carry out segmental heating to the inner cover through the heating mantle , where the first stage uses a heating rate of 120°C / h, heating until the temperature of the copper strip reaches 180°C, and the second stage uses a heating rate of 75°C / h to heat the copper strip temperature to 250°C; c, heat it to the annealing temperature and then keep it warm 5h; d. After the heat preservation is over, replace the heating cover with a cooling cover, and cool it to 74°C in the form of air cooling first and then water cooling. The fan speed in the air cooling stage is 1100r / min, and the furnace is continuously filled with nitrogen in the cooling stage. ; e. After cooling, open the inner cover for unloading. The invention simplifies the process steps, shortens the annealing time and improves the production capacity.

The invention discloses a brazing method for a SiC particle-reinforced aluminum matrix composite. The brazing method comprises the following steps that S1, the SiC particle-reinforced aluminum matrix composite is put into water, grinding and ultrasonic washing are conducted, room temperature drying under the vacuum condition is conducted, and a pre-welding base material is obtained; S2, surface grinding and washing are conducted on aluminum-silicon-magnesium brazing filter metal, and welding brazing filter metal is obtained after drying; S3, a vacuum brazing furnace is vacuumized, and the pre-welding base body and the welding brazing filter metal are assembled and then put into the vacuum brazing furnace; and S4, the vacuum brazing furnace is heated to 580-600 DEG C, the temperature is kept for 25-35 min, cooling along with the furnace is conducted, welding is completed, and the welding piece is obtained. According to the brazing method, for the characteristic of the SiC particle-reinforced aluminum matrix composite, by the adoption of the vacuum brazing welding manner, the aluminum-silicon-magnesium brazing filter metal is used, the Ti active ingredient is added, the contact surface tension of the flux and the composite is improved, and the weld seam bonding force is improved. The brazing method has the beneficial effects of being excellent in shear strength, simple in process and easy to implement.

The invention discloses an anti-explosion mining mechanical brake pad. The brake pad is prepared from the following raw materials of a formula in percentages by weight: 10-30% of chopped glass fibers,4-10% of aramid fibers, 3-8% of frictional powder, 3-5% of petroleum coke powder, 6-10% of flake graphite, 3-8% of magnesium oxide micro-powder, 5-16% of barium sulfate, 5-10% of carbon black, 12-25%of powdered acrylonitrile-butadiene rubber, 0.5-1.5% of an anti-ageing agent TMQ, 0.2-0.5% of a vulcanization accelerator MBTS and 6-15% of high-temperature-resistant resin. The invention further discloses a preparation method of the anti-explosion mining mechanical brake pad. The anti-explosion mining mechanical brake pad is good in fire protection ability and anti-static ability, and is suitable for various mining machines.

The invention is applicable to the technical field of antennas, and specifically relates to an antenna sealing structure and an antenna. The antenna sealing structure comprises a radome, an end cover,a breathable film and sealing strips, the radome is provided with air vents, the breathable film wraps the air vents by employing a gluing mode and is pasted on the radome, and the sealing strips areused for sealing the assembling between the radome and the end cover to form a sealing chamber. Therefore, the breathable film can prevent external environment moisture from entering the internal part of the radome, the outdoor antenna can realize short circuit resistance and water resistance and prevent obstruction even in a severe environment, the design of the integrated sealing structure is flexible, the dismounting is easy, the hidden property is good, the appearance is not affected, the internal and external temperatures can be kept consistent in any environment, heat radiation is facilitated, the waterproof level of the antenna can be greatly improved, hidden risks of short circuit of the antenna can be greatly reduced, and the maintenance cost is low.

The invention mainly relates to the technical field of machining of mechanical parts, and discloses a post-treatment method of high-strength durable rolling external thread parts. The post-treatment method comprises the following steps of cleaning, heating, carbonitriding, sulfurizing, quenching, tempering and coating; According to the post-treatment method of the high-strength durable rolling external thread parts, after the rolling external thread metal parts are subjected to post-treatment, the obtained parts are high in hardness, high in wear resistance and corrosion resistance, capable ofdelaying thread abrasion during a long-term use process, good in sealing effect, and capable of being widely applied to precise instruments, so that the application range of the rolling external thread parts are expanded.

The invention mainly relates to the technical field of automobile part processing, and discloses a preparation method of a wear-resistant and fatigue-resistant automobile steering shaft. The method comprises the following steps of: grinding and polishing, primary heating, carbonitriding, secondary heating, quenching and film coating. According to the preparation method of the wear-resistant and fatigue-resistant automobile steering shaft, the surface of the steering shaft is treated on the basis of not changing the raw material of the steering shaft, so that the strength of the steering shaftcan be obviously improved, the wear resistance and fatigue resistance can be enhanced, the phenomenon that the steering shaft breaks down suddenly and influences the operation of a steering wheel canbe avoided, the service life of the steering shaft can be prolonged, and the driving safety of an automobile can be improved.

The invention discloses a method and device for quickly separating oil and water under high temperature and high pressure. The device comprises an upper shell and a lower shell; a hydrocyclone is arranged in the upper shell and used for primary separation; the lower shell is provided with a coalescer for secondary separation; and an overflow liquid outlet and an underflow liquid outlet are arranged on the upper shell and can be respectively connected with an overflow liquid backflow port and an underflow liquid backflow port arranged on the top of the lower shell through pipelines. According to the method and the device, the high-temperature and high-pressure resistance of the hydrocyclone can be improved by changing the connection positions of outer interfaces of the upper shell and the lower shell according to the change of the composition of a separated medium, so that the rapid separation of oil and water in one device can be realized, and the separation efficiency can be improved.

The invention relates to inside and outside spraying production equipment for a pipe and a pipe production method. The inside and outside spraying production equipment for the pipe comprises a pipe transport vehicle and an inside and outside spraying device, as well as a curing furnace and a heating furnace which are arranged in sequence, wherein the pipe transport vehicle is arranged on a transport vehicle base; pulleys are arranged on the bottom surface of the transport vehicle base and arranged in a first slide rail; the first slide rail penetrates the interiors of both the curing furnace and the heating furnace; the inside and outside spraying device is arranged at the inner side position between the curing furnace and the heating furnace; and a second slide rail penetrating the inside and outside spraying device is arranged in the inside and outside spraying device and is parallel to the first slide rail between the curing furnace and the heating furnace. The inside and outside spraying production equipment for the pipe can reduce the consumption and waste of gas sources.

The invention relates to the technical field of automobile parts, and discloses a high-pressure airflow automobile windscreen wiper. The high-pressure airflow automobile windscreen wiper includes an upper scraping arm and a lower scraping arm, the bottom of the upper scraping arm is fixedly connected with a supporting plate, and the bottom of the supporting plate is fixedly connected with an installation arm shaft, the bottom of the installation arm shaft is movably connected with an air jet mechanism, and the top of the upper scraping arm is fixedly connected with an installation mechanism; and the air jet mechanism includes an air pump, the output end of the air pump is fixedly in communication with a first air transmission pipe, one end, away from the air pump, of the first air transmission pipe penetrates through the installation arm shaft and the supporting plate and is fixedly in communication with the bottom of the upper scraping arm, and air circuits are arranged in the upper scraping arm and the lower scraping arm. According to the high-pressure airflow automobile windscreen wiper, rain water from a windscreen surface is convenient to remove, the damage of the windscreen wiper can be effectively avoided, the lower scraping arm is convenient to disassemble and assemble and maintain, and at the same time, the temperature of high pressure airflow is convenient to change,so that the internal and external temperature of an automobile windscreen is consistent.

The invention relates to a fomentation base for treatment of the human body, in particular to a wax-therapy base which can effectively improve hardness and heat preservation effect. The fomentation base includes 15 percent to 40 percent of wax, 15 percent to 40 percent of rosin, and 20 percent to 70 percent of mineral soil. The rosin added into the wax-therapy base improves hardness and adhesive property of the wax as well as increases the flexibility of the wax; while the mineral soil added into the wax-therapy base plays a better role of heat absorption and preservation, thus ensuring uniform heat dissipation and identical temperature between interior and exterior, and avoiding the ''sandwich'' phenomenon. The fomentation base can be conveniently applied on the different parts of human body, not hardening nor flowing. Besides, the fomentation base of solidification can be used repeatedly by heating.

The invention discloses a hybrid microwave heating and pressurizing device which comprises a tank body, as well as a microwave generator, a fluid auxiliary temperature-regulating device, a vacuumizing device and a pressurizing device which are arranged on the tank body, the microwave generator is used for feeding microwaves into an inner cavity of the tank body and enabling a material in the tank body to generate self-heating, the fluid auxiliary temperature-regulating device is used for feeding an auxiliary temperature-regulating fluid into the inner cavity of the tank body so as to adjust the outside temperature of the material, and at least one of the microwave feed end, facing the inner cavity of the tank body, of the microwave generator, the fluid output end of the fluid auxiliary temperature-regulating device, the surface of the material or the inside of the material is provided with a temperature monitoring device for monitoring the temperature in real time. Microwaves are fed into the material in the inner cavity of the tank body by the microwave generator, and the temperature of the outer layer of the material is timely adjusted by the fluid auxiliary temperature-regulating device so as to prevent the problem that heat in the material is dissipated slowly and heat outside the material is dissipated quickly, in such a way, the temperature difference between inside and outside formed in the process of material curing is subducted, and the uniformity of a temperature field for material curing treatment in the tank body is ensured, thereby ensuring the quality of treated finished products.

The invention provides an automatic freezing point tester and a testing method. The automatic freezing point tester comprises an outer barrel, an inner barrel and a stirring part. The inner barrel comprises a cylinder and a plurality of swing barrels, the swing barrels are fixedly connected at annular intervals to the outer periphery of the cylinder, the length of each swing barrel is two thirds of the diameter of the cylinder, an angle between every two adjacent swing barrels is 40 degrees, and the swing barrels are communicated with the cylinder. The stirring part comprises a motor, a gear and a stirring rod, the motor is fixedly connected to the top of the outer barrel, the gear is in rotational connection with an output end of the motor, the stirring rod penetrates the outer barrel toextend into the inner barrel, radial stirring blades are fixedly connected to the bottom of the stirring rod and extend into the swing barrels, and the width of each stirring blade is three fourths ofthat of the inner side of each swing barrel. One side of the stirring rod is provided with a plane which is fixedly connected with a rack, and the rack is meshed with the gear to enable the stirringrod to move up and down. By total refrigeration of to-be-tested oil, high cooling efficiency is realized, identical internal and external temperatures of the to-be-tested oil are guaranteed, detectionaccuracy is improved, and accuracy of a primary measurement result reaches 0.1 DEG C.

The invention discloses a traditional Chinese medicine for treating orthopedic diseases and a preparation method thereof, for solving the problems that the traditional Chinese medicine for treating orthopedic diseases in the prior art is long in treatment cycle, high in recurrence rate, inconvenient to use and high in cost. The traditional Chinese medicine for treating orthopedic diseases disclosed by the invention comprises the following components in parts by weight: 150-250 parts of beewax, 150-250 parts of rosin, 50-150 parts of vegetable oil, 10-25 parts of carthamus tinctorius, 15-25 parts of frankincense, 15-25 parts of myrrh, 15-25 parts of baked ginger, 15-25 parts of pangolin, and 300-700 parts of any of mineral clay, kaolin, calcium carbonate or pearl powder. The traditional Chinese medicine for treating orthopedic diseases has strong flexibility, can be freely patched on any part of the body, and has the advantages of good curative effect, rapid effect, low recurrence rate and cost and simple preparation method, and is free from toxic and side effects, convenient to use; and furthermore, the traditional Chinese medicine can be repetitively used for 50-80 times.

The invention discloses a method for manufacturing large-scale ring rolling members in an assembly line type. The method comprises the following steps of performing discharging; performing rotary heating, performing forging and ring rolling; performing deforming and quenching; performing flaw detection with a water immersion method; performing tempering and performing machining. Through the adoption of the manufacturing method disclosed by the invention, the performance of the ring rolling members can be stable and good, the production cost is reduced, the production efficiency is improved, and automation is convenient to realize.

The invention discloses a quenching method for a large-specification working roller of high-alloy cold-work die steel, and belongs to the steel processing field. The quenching method comprises the following steps: performing continuous induction thermal treatment on the working roller, quickly rising the temperature of the surface of the working roller to 1020-1100 DEG C, and performing fog cooling when the temperature is risen to a preset temperature; continuously performing fog cooling for 50-70 minutes; and guaranteeing a re-heating temperature to be not higher than 100 DEG C. The quenchingmethod disclosed by the invention is free of pollution, is low in requirement on needed equipment; surface hardness of the working roller is great, toughness of the core part of the working roller ishigh, a transitional layer is transitional in a gradient mode at uniform reducing hardness, loading requirements are met, continuous induction quenching of the roller body is realized while cracks are avoided, a thermal treatment success rate is increased, and production cost is reduced.

The invention discloses a traditional Chinese medicine for treating orthopedic diseases and a preparation method thereof, for solving the problems that the traditional Chinese medicine for treating orthopedic diseases in the prior art is long in treatment cycle, high in recurrence rate, inconvenient to use and high in cost. The traditional Chinese medicine for treating orthopedic diseases disclosed by the invention comprises the following components in parts by weight: 150-250 parts of beewax, 150-250 parts of rosin, 50-150 parts of vegetable oil, 10-25 parts of carthamus tinctorius, 15-25 parts of frankincense, 15-25 parts of myrrh, 15-25 parts of baked ginger, 15-25 parts of pangolin, and 300-700 parts of any of mineral clay, kaolin, calcium carbonate or pearl powder. The traditional Chinese medicine for treating orthopedic diseases has strong flexibility, can be freely patched on any part of the body, and has the advantages of good curative effect, rapid effect, low recurrence rate and cost and simple preparation method, and is free from toxic and side effects, convenient to use; and furthermore, the traditional Chinese medicine can be repetitively used for 50-80 times.

The invention discloses preparation of black mud paste for human-body external use and a use method of the black mud paste. The black mud paste is characterized in that the black mud paste is preparedfrom the following raw materials in percentage by weight: 15-20% of natural magnetic micro powder, 4-6% of tourmaline micro powder, 4-6% of far-infrared ceramic micro powder, 10-15% of Chinese herbalmedicines, 5-10% of black mud paste matrix, 20-30% of beewax, and 20-30% of petroleum jelly for medical purposes. According to the black mud paste, the black mud paste is applied to acupuncture points of a human body, the black mud paste is heated and melted after about 10-15 minutes, an affected area is cleaned, the black mud paste is spread and pasted on a pain area, skin vitality is activated,heat absorption and heat preservation are better, heat dissipation is uniform, the temperature is the same, and main and collateral channels are unblocked; and expelling wind and removing cold, activating blood circulation to dissipate stasis are achieved, gall and tumor are dispelled, pain is no longer recurred, and headache, toothache, trigeminal neuralgia and sore throat, chest and rib-side pain, epigastric pain, stomachache, gout are relieved; neck, shoulder, waist and leg pain, slipped disc, sciatica, rheumatalgia are regulated, the black mud paste easily attaches to different parts of the human body without being hard and flowing, coagulate after leaving the human body, and can be repeatedly heated for use.

The invention relates to the field of water treatment, and concretely relates to an aeration disc and a preparation method thereof. The preparation method of the aeration disc comprises the step of carrying out microwave curing on an aeration disc crude blank at a microwave curing temperature of 80-150 DEG C for 3-20 min. The aeration disc crude blank is subjected to microwave curing at 80-150 DEGC for 3-20 min, so that the internal temperature and the external temperature of the aeration disc are basically consistent, the compressive strength of the aeration disc is remarkably improved, andcompared with drying oven curing, the microwave curing greatly shortens the curing time and greatly increases the production efficiency.

The invention discloses a microwave variable-temperature differential-pressure puffing dryer. The puffing dryer comprises a pressure tank device with a pressure tank and a vacuum system, a rotary drying device, a softening device and a microwave heating system, the rotary drying device is provided with a drying cylinder which is arranged in the pressure tank, a hollow rotating shaft of which the one end is connected to a connector and the other end penetrates through the pressure tank in a sealed mode and then is connected to the drying cylinder, and a power mechanism which can drive the hollow rotating shaft and the drying cylinder to rotate, the outer wall of the drying cylinder is coated with a heat exchange jacket, and the hollow rotating shaft is communicated with the connector and the heat exchange jacket to form a medium passage; the softening device is provided with a steam pipeline of which one end is communicated with an external heat supply device and the other end is hermetically inserted into the drying cylinder; and the microwave heating system is provided with a microwave source, a waveguide type radiation heater installed in the drying cylinder and a sealing isolation assembly which is separately connected to the microwave source and a waveguide radiation heater. The puffing dryer not only can ensure the uniform heating of processed materials and the consistentpuffing and drying degrees, but also improves the production efficiency.

The invention discloses a corrosion-resisting brake pad. The corrosion-resisting brake pad comprises raw materials including, by weight, 50-70 parts of epoxy resin, 30-40 parts of boron phenolic resin, 22-30 parts of nitrile rubber powder, 12-16 parts of carbon fiber, 12-16 parts of glass fiber, 6-10 parts of steel wool, 4-8 parts of calcium silicate powder, 4-8 parts of graphite, 4-8 parts of mixed metal powder, 6-10 parts of a corrosion resisting agent, 3-5 parts of a binding agent, 3-5 parts of a curing agent, 3-5 parts of an abrasion resisting agent and 3-5 parts of an anti-aging agent. The invention further discloses a preparing method of the corrosion-resisting brake pad. According to the corrosion-resisting brake pad and the preparing method thereof, the corrosion-resisting brake pad has excellent inflaming retarding and heat resisting performance, the brake pad has good corrosion resisting capability, the strength of the brake pad can be better improved, and the current development requirement is met.

The invention provides a method for preparing instant beef cubes. The preparation method comprises the following steps: the first step, putting cold water into a refrigerator to make ice, taking out the ice cubes and putting them in a pot, and adding cold boiled water; the second step, putting Cut the beef cubes into pieces and put them in a cool place to dry overnight. Soak the dried beef cubes in the seasoning solution to taste, then add them into the ice-water mixture, and make the water cover the meat cubes; the third step is to let the beef cubes in Soak in the ice-water mixture for 2 hours. After the salt and ice cubes have completely melted, heat the ice-water mixture and the meat pieces in the pot to cook; the fourth step, after the water in the pot is boiled, maintain the temperature in the pot for 30-40 minutes, and then Take out the beef cubes from the pot and let it cool down naturally. The meat piece obtained by the invention has the advantages of fresh taste, good mouthfeel and less nutrient loss.

The invention discloses a fried peanut and a preparation method thereof, and belongs to the technical field of peanut processing. The preparation method of the fried peanut is characterized by comprising the following steps of pretreatment, baking, cooling, peeling, frying and seasoning. The fried peanut and the preparation method thereof have the advantages that the peanut is baked at the lower temperature, thereby being capable of reducing the moisture of the peanut, improving the crispness of the peanut, also reducing the frying time of the peanut, and reducing the loss of the nutrition ofthe peanut caused by the long frying time while retaining the taste of the peanut; the baked peanut is easier to peel under cooling of cold air, thereby being conductive to improving the taste of thefried peanut.

The invention discloses a lithium-ion battery nickel-cobalt-lithium-manganese-oxide positive electrode material and a preparation method thereof, belonging to the technical field of preparation of lithium-ion battery positive electrode materials. The preparation method comprises the following steps: 1, lithium salt, nickel salt, cobalt salt And dissolving the manganese salt in a solvent to obtain a first solution, wherein 0<x<1, 0<y<1; 2, adding a chelating agent and a carbon source to the first solution, and mixing them uniformly to obtain a second solution; 3 , to obtain the precursor powder after removing the solvent in the second solution; 4. In an inert gas atmosphere, first heat the precursor powder at a temperature of 300-400° C. for 0.5-2 hours, and then use infrared light to As a heat source, the temperature of the precursor powder is raised to 800-900° C., and the temperature is kept for 3-4 hours; after cooling, the lithium-ion battery nickel-cobalt-lithium-manganese-oxide cathode material is obtained. The obtained nickel-cobalt lithium manganese oxide cathode material has regular shape and uniform size; meanwhile, heating time is shortened, energy is saved, and cost is reduced.