35results about How to "No heat treatment" patented technology

A method for processing zongzi without wrapping leaf comprises the following steps: immersing a zongzi wrapping leaf in clear water, and boiling and extracting twice to prepare a zongzi wrapping leaf liquid; adding one or more than two components containing 2-10wt% of soluble dextrin, 0.05-1.0wt% of liquid sucrose ester or 10-100wt% of sweetener into the zongzi wrapping leaf liquid to blend the zongzi wrapping leaf liquid, calculated by the weight of the zongzi wrapping leaf liquid; adding the blended zongzi wrapping leaf liquid 1.5 times of the weight of glutinous rice, and immersing the glutinous rice to a water content of 50-60%; filling the soaked rice quantitatively into a triangle food cooking bag, compacting, and vacuumizing; cooking the glutinous rice in a high-pressure digester to a cooked state, carrying out back pressure cooling to the temperature of the zongzi reaching 50 DEG C, and taking the zongzi out of the digester; and compacting the zongzi in a conical die for molding. The finished product provided by the invention has leaf nutrition and flavor better than those of a traditional zongzi wrapped by leaf, and greatly reduces the labor intensity, improves the production efficiency, and can realize the mechanization, automation and mass production; and after storing at room temperature for 12 months, the finished product still has soft and waxy taste, can be eaten instantly without heating, and is suitable for usage in tourism, leisure, outdoor, aviation and space.

The invention discloses a zinc-silver accumulator capable of work at a low temperature. A cell is formed by a positive electrode (7), a diaphragm (4) and a negative electrode (5); the cell and an electrolyte (6) are encapsulated in an encapsulation bag (8); the positive electrode (7) is welded with a positive busbar (2); the negative electrode (5) is welded with a negative busbar (1); the positive busbar (2) and the negative busbar (1) are fixedly provided with insulating tapes (3); the electrolyte (6) is a KOH (potassium hydroxide) aqueous solution of which the concentration is 25-45%; LiOH (lithium hydroxide) with the mass percent being 1.2-2.6% added to the electrolyte (6) solution is taken as an electrolyte additive; and mercuric oxide with the mass percent being 1.0-4.0% added to a negative active substance is taken as a zinc electrode additive. At the temperature of 5 DEG C, the zinc-silver accumulator can work reliably without heating before use.

The invention discloses an external star wheel type overrunning clutch, and belongs to the technical field of clutch manufacture. The external star wheel type overrunning clutch is provided with an external star wheel (1), an embedded block (2), a pin roller (3), a permanent magnet (4) and an inner ring (5), wherein one side of the external star wheel is provided with a groove for accommodating the permanent magnet, a start wheel working face of the external star wheel is provided with a dovetail groove-shaped embedded alloy (2) (embedded block for short), and the working face is a logarithmichelical curved surface. The clutch has the advantages of simple manufacturing process, high working reliability, large bearing torque and long service life, can bear large torque force and impact force, and can work for long time under high-speed heavy load.

The invention provides a high-wear-resistance steel plate and a production method of the high-wear-resistance steel plate. The high-wear-resistance steel plate comprises, by weight, 0.30%-0.35% of C,1.0%-1.5% of Si, 3.5%-5.0% of Mn, 0.02%-0.04% of Nb, 0.10%-0.20% of Ti, not larger than 0.012% of P, not larger than 0.003% of S, not larger than 0.0040% of [N], not larger than 0.00015% of [H], not larger than 0.0020% of [O] and the balance Fe and inevitable impurities. The production method of the high-wear-resistance steel plate comprises the steps of smelting, continuous casting, heating and slow cooling, plate blank heating, controlled rolling and straightening. According to the high-wear-resistance steel plate, chemical components are simple, the alloy content is relatively low, the surface hardness of the steel plate is larger than 500 HB, the wear resistance is good, the section hardness is uniform, the maximum thickness can reach 50 mm, and the high-wear-resistance steel plate canmeet the use demand for thick wear-proof steel plates and does not need heat treatment.

The invention discloses a production method of a low-cost high-toughness Q460qDNH steel plate. The method is used for producing the Q460qDNH steel plate with good surface quality and mechanical property through proper processes of smelting, continuous casting, heating, controlled rolling, controlled cooling and descaling. The steel plate is good in strength, plasticity and toughness, and the structure is fine ferrite and pearlite. The yield strength of the steel plate ranges from 498 MPa to 546 MPa, the tensile strength ranges from 589 MPa to 625 MPa, the ductility ranges from 21% to 26.5%, and the impact energy at the temperature of minus 20 DEG C ranges from 218 J to 287 J. A plate blank adopts a hot charging mode, the charging temperature is high, the heating time is short, and the energy consumption is low. The steel plate does not need heat treatment and is short in production period and low in cost.

The invention discloses pickled vegetable brine produced by using white wine byproducts, and a preparation method thereof. The pickled vegetable brine is prepared by taking esterified residual liquid as basic materials and other auxiliary materials in parts by weight in 1L of esterified residual liquid, including 5-8g of clove, 10-30g of green pepper, 5-40g of ginger, 3-10g of lysimachia sikokiana, 2-8g of pepper, 5-8g of anise, 5-10g of diphtheria, 3-10g of orange peel, and 20-50g of edible salt. The pickled vegetable has high shelf life, and is not heated in preparation process; the esterified residual liquid contains abundant organic acid, so as to be capable of effectively restraining the other bacteria infection; the pickled vegetable does not produce flowers, is long in shelf life, short in fermentation time, and can be eaten after the vegetables are soaked for hours at normal temperature; and the pickled vegetable is acid and crisp and tasty in mouthfeeling, thick in fragrance,proper for both acid and hot, unique in flavor, and is bright in color and good in luster.

The invention belongs to the field of functional materials, and more particularly relates to a redox-responsive color-changing rare earth supramolecular gel fluorescent material and a preparation method thereof. The redox-responsive color-changing rare earth supramolecular gel fluorescent material is prepared by mixing a mixed solution of an aqueous solution containing rare earth ion europium ionsand alkali liquor with an organic solution containing gel factor 3,5-dinitrosalicylic acid. Under alkaline conditions, the rare earth supramolecular gel fluorescent material is self-assembled by utilizing the coordination effect of the gel factor 3,5-dinitrosalicylic acid and rare earth ion europium ions and the PI-PI interaction of benzene rings of the 3,5-dinitrosalicylic acid. The gel formed has unique fluorescence characteristics of the rare earth ions, good luminous intensity and high fluorescence efficiency, and the excitation spectrum is located in a visible light region and has stronganti-interference capability. The rare earth supramolecular gel has redox responsiveness, simple and rapid preparation process, no need of heating treatment, and easily available gel factor, and therare earth supramolecular gel material has better application prospect in the high-end anti-counterfeiting field.

The invention discloses horizontal cold deep drawing equipment for a steel inner container of a pressure vessel and a cold deep drawing method thereof. The horizontal cold deep drawing equipment comprises a female die and a male die matched with the female die, the rear end of the female die is fixedly connected with a thinning die, and the male die, the female die and the thinning die are coaxially and horizontally distributed. The cold deep drawing method mainly comprises the steps that a mechanical arm clamps a blank and places the blank at the front end of the female die, the male die moves under supporting of a supporting trolley and is pressed into the blank, the mechanical arm loosens the blank and returns, the male die carries with the blank and is sequentially pressed into the female die and the thinning die, a workpiece is shaped, and an unloaderis clamped on the male die to unload the shaped workpiece. The horizontal cold deep drawing equipment for the steel inner containerof the pressure vessel and the cold deep drawing method thereof are derived from the application and popularization project of the Ministry of Communications of China, the application and popularization of carbon fiber full-winding hydrogen fuel storage and transportation equipment for new energy automobile, and the project number is ZCKJCD-201804. The thickness of the wall of the drawn steel inner container can be adjusted in a targeted mode, the wall thickness is uniform, the bottom is naturally formed, the wall thickness is small, the air leakage risk is zero, lightweight of a gas cylinderis effectively achieved.

The invention mainly relates to the technical field of pipeline corrosion prevention materials, and discloses anti-corrosion high-intensity natural gas pipeline corrosion prevention paint. The anti-corrosion high-intensity natural gas pipeline corrosion prevention paint is prepared from the following raw materials in parts by weight: 42-44 parts of polyvinyl acetate emulsion, 35-37 parts of a modified polyvinyl chloride resin, 6-8 parts of an activated carbon fiber, 4-6 parts of sodium methyl silicate, 3-5 parts of fatty acid methyl ester and 1.1-1.3 parts of titanium dioxide. The anti-corrosion high-intensity natural gas pipeline corrosion prevention paint provided by the invention can be tightly combined with natural gas pipeline, has relatively strong weather resistance and anti-corrosion performance, and is capable of inhibiting corrosion caused by making contact with natural gas and external complex soil components for a long time, prolonging the service life of natural gas pipelines and decreasing the maintenance cost; through adding the titanium dioxide after the polyvinyl acetate emulsion is heated, the strength and film forming property of the polyvinyl acetate can be improved, the paint can be tightly combined with the pipelines, the corrosion to the paint from the soil and the natural gas can be inhibited, and the protection action to the pipelines from the paint canbe improved.

The invention discloses a DNA (deoxyribonucleic acid) template preparation liquid which comprises the following components: a monovalent cation salt, ethanol and water as a solvent, wherein the finalconcentration of the monovalent cation salt is 0.1-0.8M; and the final concentration of the ethanol is 0.5-30%. The invention further discloses a DNA template preparation method which comprises the following steps: (1) mixing anti-freezing blood and the DNA template preparation liquid in a volume ratio of 1:(1-200); and (2) directly centrifuging the mixed liquid obtained in the step (1) or centrifuging the mixed liquid after being left to stand, so as to obtain supernate, namely a DNA template. The instant DNA template preparation liquid disclosed by the invention is free of protease or otherhigh-valent salt ions, simple in obtaining process, free of heating treatment and short in time; and the ratio of the DNA template preparation liquid disclosed by the invention to blood is not strictly required, and DNA templates prepared within a wide range can be all well applied to PCR (polymerase chain reaction) amplification.

The invention discloses diethylstibestrol hapten and complete antigen and a preparation method thereof. The preparation method comprises the following steps: under conditions of normal temperature andpresence of a catalyst, performing reaction on diethylstilbestrol and monochloroacetate in an organic solvent, terminating the reaction with icy water, treating unreacted diethylstilbestrol with an organic extraction agent, and acidizing a water phase with an acid, so as to obtain white precipitate, namely diethylstibestrol hapten. By adopting the preparation method, the catalyst, the reaction time and the like in synthesis are optimized, a simple and convenient method without heating or pH value control is provided, and hapten can be prepared within a short time; by the virtue of different dissolution properties of a product and a substrate, unreacted diethylstilbestrol substances are removed by using an extraction method, the obtained diethylstilbestrol substances are recycled and continuously used, and the reaction substrate is saved; finally the diethylstilbestrol hapten of high purity is prepared by using a hydrochloric acid acidification crystallization method; complete antigenis prepared from the diethylstibestrol hapten and a carrier protein through connection.

The invention discloses a preparation method of non-toxic nanoscale plastic microparticles. The method comprises the following steps of: dissolving plastic in a high-concentration sulfuric acid aqueous solution, adding a low-concentration sulfuric acid solution to separate out small-particle plastic, stirring at a high speed to prevent plastic particles from forming flocculent precipitate, addinga biological surfactant to prevent plastic nanoparticles from agglomerating and precipitating, standing, and taking the supernatant to obtain nanoscale particles. The method is suitable for plastics soluble in an aqueous solution of concentrated sulfuric acid, preferably polyethylene terephthalate (PET); a safe and non-toxic biological surfactant is used, so that the problem that the result is interfered by excessive toxicity of the surfactant in a subsequent biotoxicology experiment is avoided; sulfuric acid is used as a solvent to greatly reduce the dissolving time; and the method is simpleto operate, does not need heating, and does not use volatile toxic chemicals as solvents.

The invention discloses an integrated device and method for preparing an oil product and synthetic gas from fine coal. The integrated device comprises an integrated reaction system, a cycle feeding-back system and a deep-separation purification system. The integrated reaction system comprises a gasification section and a fast pyrolysis section. The gasification section is an oxygen or air blast turbulent flow fluidized bed gasification furnace. Bed layer height and density are not kept by a low fluidization speed but by a high air-flow speed and a high solid cycle speed. The gasification section utilizes carbon obtained by the fast pyrolysis section. Synthetic gas produced by the gasification section and solid particles carried by the synthetic gas are used as heat sources of the fast pyrolysis section. The fast pyrolysis section is a cycle fluidized bed reactor. The cycle material in the fast pyrolysis section and gas and solid particles in the gasification section are mixed, and then temperatures of the two material flows are basically approximate to the heat-stage temperature so that just added coal does not contact with high-temperature gas and particles from the gasification furnace in the heat stage.