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35results about How to "No heat treatment" patented technology
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Method for processing zongzi without wrapping leaf
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.
Owner:NANCHANG UNIV
Zinc-silver accumulator capable of work at low temperature
ActiveCN102244303AImprove electrochemical performanceIncrease viscositySilver accumulatorsLithium hydroxidePotassium hydroxide
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.
Owner:GUIZHOU MEILING POWER SUPPLY CO LTD
External star wheel type overrunning clutch
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.
Owner:厦门恒瑞达机械有限公司
Method for fixed upper bearing of axial parts
InactiveCN101182864AQuick assemblyEliminate axial playFastening meansBearing unit rigid supportSpring steelCarbon steel
A method of fixing a bearing at axis parts is that a low carbon steel closed-ring retainer ring is adopted and designed; the retainer ring, a bearing and other relevant parts are installed at the axis parts according to the assembling sequence; the circle of the retainer ring is pressed uniformly and synchronously along the radial direction to ensure that the retainer ring is extruded and transmuted inside a retainer ring installing slot to be filled in an actually existent axial gap at the position. The present invention solves the problem that the usual method adopts a clasp-type spring steel retainer ring to position the bearing, so the axial gap caused by the error accumulation of an assembling chain results in the axial move of the bearing to influence the product performance. The present invention is especially conducive to the prompt assembly of the axis parts with compact structure and relevant parts and can reduce the axial size precision requirement to other relevant parts.
Owner:荆州恒隆汽车零部件制造有限公司
High-wear-resistance steel plate and production method thereof
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.
Owner:ANGANG STEEL CO LTD
Production method of low-cost high-toughness Q460qNHD steel plate
ActiveCN113957336ARaise the furnace temperatureNo heat treatmentMetal rolling arrangementsPlastic propertyHeat treating
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.
Owner:BAOTOU IRON & STEEL GRP
Preparation method of south jerusalem artichoke No.9 solid enzyme
ActiveCN105614857AHigh nutritional valueIncrease health functionFood ingredient functionsFlavorTemperature treatment
The invention discloses a preparation method of a south jerusalem artichoke No.9 solid enzyme. The preparation method comprises the steps of pretreatment of jerusalem artichoke, blending of raw materials, preparation of a fermenting agent, anaerobic fermentation, dry powder preparation and blending. The method is mainly realized by a natural microecological strain fermenting technology and a raw material solid multi-stage temperature-controlled fermentation technology. The solid enzyme prepared by the preparation method disclosed by the invention has the advantages of convenience in carrying, easiness for storage, convenience in eating, no preservative, no high-temperature treatment, long shelf life, no alcohol, low sugar content, high content of probiotics, and excellent color, aroma, flavor and mouthfeel, and is a high-quality solid enzyme integrating nutrition with health care.
Owner:JIANGSU BIQINGYUAN MARINE BIOTECH CO LTD
Pickled vegetable brine produced by using white wine byproducts, and preparation method thereof
ActiveCN102754804AGreat tasteOutstanding styleClimate change adaptationFood preparationSaline waterOrganic acid
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.
Owner:SICHUAN TUOPAI SHEDE WINE
Method for fast low-temperature growing of various graphical three-dimensional graphenes
The invention provides a method for fast low-temperature growing of various graphical three-dimensional graphenes and belongs to the fields of electronic production technology and flexible device preparation. The method includes the steps of (1), making mask plate graphs; (2), fixing mask plates and growing substrates; (3) growing three-dimensional graphenes at a low temperature. The method for fast low-temperature growing of various graphical three-dimensional graphenes can be used for preparing the optional shapes of three-dimensional graphenes, is simple in step, efficient, low in cost and environment friendly, needs no heating treatment, is applicable to industrial production of the graphical three-dimensional graphenes and can be applied to graphical treatment of other two-dimensional and three-dimensional materials.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
Self-adhering water-proof coiled material and processing method thereof
InactiveCN101144004AWith self-healing functionEliminate the effects ofOther chemical processesRoof covering using flexible materialsSelf-healingPersulfate
The invention relates to a self-adhered waterproofing membrane, which includes creeping base material and matrix layer, wherein the creeping base material includes: 50-100 portion by weight of water; 15-40 portion by weight of water acrylamide; 0.02-0.5 portion by weight of water bis-acrylamide; 0.5-30 portion by weight of water triethanolamine; 10-30 portion by weight of 0.1-1.0 percent aqueous ammonia persulfate. The invention also provides a processing method for self-adhered waterproofing membrane, which includes the following steps: laying of matrix layer, the matrix material is flatly layered in the production groove, and is moistened by clean water; preparation of the creeping base material, each material is mixed according a certain proportion; forming and curing of the creeping base material, the mixed material is poured into the production groove to flat the liquid surface until the reaction is completed and the material is cured; laying of isolating film, an isolating film is laid on the surface of the cured material, followed by rolling up and packaging. The self-adhered waterproofing membrane of the invention has good bonding property with wet base surface, and the self-creeping of the invention can eliminate stress influence to base surface and also has self-healing function.
Owner:朱光皓
Redox-responsive color-changing rare earth supramolecular gel fluorescent material and preparation thereof
ActiveCN110330963ARedox responsiveAchieve mutual transformationTenebresent compositionsLuminescent compositionsLuminous intensityColor changes
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.
Owner:HUAZHONG UNIV OF SCI & TECH
Pre-hardened high-mirror surface acid-proof plastic cement mold steel material and preparation method thereof
The invention discloses a pre-hardened high-mirror surface acid-proof plastic cement mold steel material and a preparation method thereof. The plastic cement mold steel material is prepared from the following ingredients in percentage by weight: 0.05 to 0.08 percent of C, 0.15 to 0.35 percent of Si, 0.8 to 1.6 percent of Mn, 0.25 to 0.45 percent of Mo, 3.0 to 3.5 percent of Ni, 0.8 to 1.2 percentof Cu, 0.8 to 1.0 percent of Al, less than or equal to 0.005 percent of P, less than or equal to 0.008 percent of S and the balance of Fe; the metal structure of the mold steel material is austenite and has the hardness of HRC38-42. The steel material has excellent corrosion resistance, ductility, toughness and abrasion resistance; the whole hardening performance, the polishing performance and thesculpturing performance are good; meanwhile, the production cost is low; large-scale blanks can be produced; the national quality standard is met; even the polishing performance is much superior to that of a similar imported product; the economic benefit is extremely high.
Owner:朱经辉
Crisp snake melon production method
The present invention relates to a crisp snake melon production method, wherein the problem of only application of the snake melon as the cooking material is overcome, and the new snake melon eating method with characteristics of good taste and high nutrition is provided. The crisp snake melon production method comprises: 1) preparing snake melon with a maturity degree of 50-80%, and washing; 2) soaking into a sodium metabisulfite aqueous solution with a weight percentage of 0.01-0.05% for 10-20 days; 3) cutting into blocks after the washing; 4) carrying out mixing sousing on the snake melon and white sugar; 5) adding purified water, and soaking for 30-60 days; and 6) filtering out the snake melon so as to obtain the crisp snake melon, and packaging to obtain the finished product. With the method of the present invention, the raw material source throughout the year is ensured, the snake melon does not require the heat treatment, and the produced crisp snake melon has characteristics of green shape, crisp and delicious taste, and unique flavor.
Owner:黄开财
Waterproof self-repairing building material and preparation method thereof
The invention relates to a waterproof self-repairing building material and a preparation method thereof. The building material comprises the following raw materials in parts by weight: 4-6 parts of a self-repairing agent, 0.1-0.15 part of an initiator, 70-80 parts of Portland cement, 200-250 parts of sand and 30-35 parts of water, wherein the self-repairing agent is alkenyl acid salt and / or alkenyl amide containing a cross-linking agent. The building material disclosed by the invention has relatively high impermeability, can quickly and continuously repair small defects in a cement structure, prevents the expansion of the small defects, and prolongs the overall service life of the waterproof structure building material; the preparation method comprises the steps of uniformly mixing a self-repairing agent, an initiator and water to obtain a mixed solution; and uniformly mixing the obtained mixed solution with Portland cement and sand to obtain the building material. The preparation method is simple and does not need heating treatment, and the polymerization reaction of the high polymer material and the cement hydration hardening process are carried out together, so that the structures of the two can be closely linked.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +1
Horizontal cold deep drawing equipment for steel inner container of pressure vessel and cold deep drawing method thereof
ActiveCN112427562AAchieve lightweightSimple structureMetal-working feeding devicesPositioning devicesFiberCarbon fibers
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.
Owner:SINOMA SCI & TECH CHENGDU CO LTD
Anti-corrosion high-intensity natural gas pipeline corrosion prevention paint
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.
Owner:合肥卓汇新材料科技有限公司
DNA (deoxyribonucleic acid) template preparation liquid and DNA template preparation method
ActiveCN111304289ANo heat treatmentSimplify the acquisition processMicrobiological testing/measurementClimate change adaptationA-DNAOrganic chemistry
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.
Owner:JINLING INST OF TECH
Diethylstibestrol hapten and complete antigen and preparation method thereof
ActiveCN107698441AShort synthesis timeSimplify operation stepsOrganic compound preparationOvalbuminAmount of substanceCarrier protein
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.
Owner:SHANDONG NORMAL UNIV
A production method of low-cost high-toughness q460qnhd steel plate
ActiveCN113957336BRaise the furnace temperatureNo heat treatmentMetal rolling arrangementsPlastic propertyHeat treating
The invention discloses a production method of a low-cost high-toughness Q460qNHD steel plate. The invention produces a Q460qNHD steel plate with good surface quality and mechanical properties through suitable smelting, continuous casting, heating, controlled rolling, controlled cooling and descaling processes. The strength, plasticity and toughness of the steel plate are good, and the structure is fine ferrite + pearlite. The yield strength of the steel plate is between 498MPa and 546MPa, the tensile strength is between 589MPa and 625MPa, the elongation is between 21% and 26.5%, and the impact energy at -20°C is between 218J and 287J. The slab adopts the hot-charging method, with high furnace temperature, short heating time and low energy consumption. The steel plate does not need heat treatment, the production cycle is short and the cost is low.
Owner:BAOTOU IRON & STEEL GRP
A kind of estrogen hapten, complete antigen and preparation method thereof
ActiveCN107698441BRetain chemical structureStrong specificityOrganic compound preparationOvalbuminIce waterPtru catalyst
Owner:广州安基利生物科技有限公司
Controlled rolling and controlled cooling method for steel with low yield ratio and low welding crack sensitivity
ActiveCN108103408BHyposensitivity indexImprove solderabilityFurnace typesMetal rolling arrangementsChemical compositionMetallurgy
The invention relates to a controlled rolling and cooling method for low-yield ratio low welding crack-sensitivity steel. The steel comprises the compositions of, by weight, less than or equal to 0.10% of C, 0.30-0.50% of Si, 1.2-1.8% of Mn, less than or equal to 0.020% of P, less than or equal to 0.010% of S, 0.010-0.050% of Nb, 0.01-0.03% of Ti, less than or equal to 0.30% of Cr, 0.02-0.06% of Alt, less than or equal to 0.0005% of B, and the balance Fe and unavoidable impurity elements, wherein C*Nb is equal to 0.18-0.22ppm, and Pcm is less than or equal to 0.20%. A steel plate comprises 45-55% of ferrite, 40-50% of bainite, and a small amount of pearlite, and the yield ratio of the steel plate is less than or equal to 0.85%. The steel plate produced by the controlled rolling and coolingmethod has low cost and high production efficiency and the plate shape is easy to control.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD
Method for preparing Ag electrode for testing BZT ceramic at low temperature
InactiveCN107817283ANo heat treatmentSimple preparation processVacuum evaporation coatingSputtering coatingAg electrodeThermal treatment
The invention discloses a method for preparing an Ag electrode for testing BZT ceramic at low temperature. The method comprises the following steps: weighing the raw materials including BaCO3, ZrO2 and TiO2 according to a stoichiometric ratio of BaZr0.2Ti0.8O3, sintering at 1350 DEG C, so as to obtain the BZT ceramic; putting the BZT ceramic product into a magnetron sputtering product platform, loading a metal silver target material, carrying out vacuumizing until the base pressure P of a magnetron sputtering system is less than 1.0*10<3>Pa, carrying out deposition on the surface of a BZT ceramic product in a direct current sputtering current of 100mA-400mA for 1500s-7200s by taking Ar as sputtering gas so as to obtain an Ag electrode with a thickness of 1-4 microns, and polishing an Ag coating layer by virtue of abrasive paper, so as to obtain the Ag electrode for testing the BZT ceramic. The low-temperature preparation is realized without thermal treatment, the preparation process issimple, and the method has good application prospect.
Owner:TIANJIN UNIV
A kind of preparation method of South Jerusalem artichoke No. 9 solid enzyme
ActiveCN105614857BHigh nutritional valueIncrease health functionFood ingredient functionsTemperature controlAlcohol
The invention discloses a preparation method of a south jerusalem artichoke No.9 solid enzyme. The preparation method comprises the steps of pretreatment of jerusalem artichoke, blending of raw materials, preparation of a fermenting agent, anaerobic fermentation, dry powder preparation and blending. The method is mainly realized by a natural microecological strain fermenting technology and a raw material solid multi-stage temperature-controlled fermentation technology. The solid enzyme prepared by the preparation method disclosed by the invention has the advantages of convenience in carrying, easiness for storage, convenience in eating, no preservative, no high-temperature treatment, long shelf life, no alcohol, low sugar content, high content of probiotics, and excellent color, aroma, flavor and mouthfeel, and is a high-quality solid enzyme integrating nutrition with health care.
Owner:JIANGSU BIQINGYUAN MARINE BIOTECH CO LTD
Preparation process of a fully synthetic cutting fluid with high lubricity and high temperature resistance
The present invention provides a high-lubricity, high-temperature-resistant fully synthetic cutting fluid preparation process. The preparation method is as follows: S01, add the raw material triethanolamine and its derivatives into water, start stirring and heating, stir evenly, and heat; S02 Add raw materials monobasic acid and dibasic acid in sequence, and stir until completely dissolved; S03, add raw material sage oil and tribasic acid in sequence, and stir until completely dissolved; S04, add raw material glycerin and fungicide, and stir until uniform and transparent; S05 Properly cool to After room temperature, the material can be discharged.
Owner:宇龙精机科技(浙江)有限公司
Redox-responsive color-changing rare earth supramolecular gel fluorescent material and its preparation
ActiveCN110330963BAchieve conversionAchieve mutual transformationTenebresent compositionsLuminescent compositionsLuminous intensitySalicylic acid
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.
Owner:HUAZHONG UNIV OF SCI & TECH
Preparation method of non-toxic nanoscale plastic microparticles
InactiveCN112284851AAvoid the problem of excessive toxicity interfering with the resultsNo heat treatmentPreparing sample for investigationPolyethylene terephthalate glycolActive agent
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.
Owner:NANKAI UNIV
Integrated device and method for preparing oil product and synthetic gas from fine coal
InactiveCN104212495AAchieve near-isothermal solidsFast pyrolysisLiquid hydrocarbon mixture productionGasification with fuel pre-distillationSolid particleOxygen
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.
Owner:刘国海 +2
Processing method of zongzi without zongzi leaf wrapping
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.
Owner:NANCHANG UNIV
Zinc-silver accumulator capable of work at low temperature
Owner:GUIZHOU MEILING POWER SUPPLY CO LTD
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