363results about How to "Short production cycle" patented technology

The invention discloses a method for preparing fruit and vegetable enzymes. The method comprises the following steps: selecting more than 50 kinds of fresh fruits and vegetables which are full and are not rotted; washing, performing surface sterilization, draining the surface moisture, and shredding; adding crystal sugar powder into the shredded fruits and vegetables, squeezing and collecting the filtrate, further inoculating saccharomycetes, bacillus aceticus and lactic acid bacteria, fermenting and filtering, and collecting the fermentation liquor to prepare the fruit and vegetable enzymes; and mixing and homogenizing cordyceps militaris extract and a rhizoma polygonati extracting solution, combining with the fruit and vegetable enzymes to obtain yellowish-brown rhizoma polygonati fruit and vegetable composite enzymes. The production period of the product is short, raw materials are not lost in the product production process, waste emission is avoided, and the method is a production method which is high in product yield, simple in production process, green and environment-friendly. In addition, the fruit and vegetable enzymes serve as the rhizoma polygonati fruit and vegetable composite enzymes, can serve as a liquid drink to be directly drunk and can be added into the production process of food industry to be used for manufacturing health-care functional foods, and the application fields of cordyceps militaris link and rhizoma polygonati are widened.

The invention discloses a method for welding a thin steel plate. The method is characterized by comprising the following steps: preparing before welding, namely flattening the plate before assembly to flatten the surface of the plate; flattening a profile before assembly; and machining edge-board blanking by adopting an edge planer or cutting the blanking by plasma to ensure uniform assembly clearance. During arc welding of the jointed plate, the assembly clearance is less than 0.5 millimeters; the misalignment edge e of the plate edge is less than 0.15t, and the nonuniform or out-of-tolerance local clearance is polished or cut to be smooth without deformation due to the adoption of oxy-acetylene cutting, wherein the t is less than or equal to 8 millimeters; the three parts of positioned welding and welding are reasonably designed, so the welding of the thin steel plate has a complete system; therefore, the method can effectively prevent the thin steel plate of a ship deck from deforming during welding, and achieves the targets of short production period and good thin plate welding quality.

The invention provides a new method for preparing a noble metal catalyst for chloroethylene reaction with acetylene. In the method, active carbon and molecular sieve are used as carriers, ruthenium trichloride of noble metal chloride is used as an active center, the active center is carried on the carriers by adopting an immersion method, and the novel catalyst is obtained by means of drying and the like; the catalyst shows high activity and selectivity in the application in preparing the chloroethylene by acetylene hydrochlorination; and the method has the characteristics of simple process, short production period, safe and environment-friendly raw materials and low equipment cost. Compared with the current widely-applied carried mercuric chloride catalyst, the ruthenium trichloride active center has the advantages that: although the price is relatively high, the consumption of the ruthenium trichloride active center is extremely low in the preparation, so the cost is low; and because of extremely low toxicity, the catalyst can be taken as a good substitute for a mercury-containing catalyst.

The invention relates to a compound microalloy hot die steel material with high heat resistance and a preparation method thereof, belonging to the technical field of the manufacture process of die steel. The invention is characterized by comprising the following components by weight percent: 0.25% to 0.4% of C, 1.0% to 1.8% of Si, 0.01% to 0.3% of Mn, 3.5% to 5.0% of Cr, 2.0% to 3.5% of Mo, 0.8% to 1.5% of V, 0.03% to 0.07% of Nb, 0.05% to 0.1% of rare earth element (Ce+La), less than 0.02% of P, less than 0.02% of S and the balance of Fe. The preparation method of the hot die steel comprises the process of: (1) adding rare earth after melting; (2) remelting electroslag; (3) homogenizing at high temperature; (4) forging and dissolving solid; (5) spheroidizing annealing; and (6) heating to finally prepare the hot die steel. The hot die steel has the advantages of high purity, high heat resistance, good heat stability and excellent heat fatigability.

The invention provides a microbial straw rotting agent, which adopts the strains having mutual synergistic action without generating antagonistic action as production strains: cellulase preparation, Fomes annosus, Bacillus subtilis, Thermobifida fusca, Bacillus pumilus and Saccharomyces cerevisiae. The microbial straw rotting agent has high decomposition effect on the main components of the straws, has biological control function, and can inhibit growth of crop sheath blight, rice blast, wheat root rot, strawberry gray mold and other pathogens. The product has the advantages of short manufacturing period, high production efficiency and low cost, and is safe and convenient to use.

The invention discloses a preparation method of high-purity isophthaloyl dichloride, which comprises the following steps of: a. at room temperature, adding an inert solvent into a reactor, adding m-phthalic acid, a catalyst and a chlorinating agent, and evenly stirring; b. gradually heating to 50-80 DEG C to react for 5-10 hours, thereby obtaining a reaction liquid; c. carrying out atmospheric distillation separation on the reaction liquid, recycling the chlorinating agent at 70-80 DEG C, recycling the catalyst-containing solution on the tower top at 80-150 DEG C, and collecting the residual kettle liquid; d. carrying out rectification on the residual kettle liquid under vacuum, and recycling isophthaloyl dichloride at the kettle liquid temperature of 170-190 DEG C while keeping the vacuum; and e. under vacuum conditions, carrying out secondary vacuum distillation on the isophthaloyl dichloride, and recycling the isophthaloyl dichloride at 185-190 DEG C. The invention has the advantages of simple technique, short production cycle, low environmental pollution and high yield; and particularly, the purity of the isophthaloyl dichloride subjected to rectification twice is high, up to over 99.98%.

The invention provides a generation method and system for video frequency frame depth graph. The method comprises: selecting critical frame in continuous video frequency frame of vide frequency sequence, and acquiring depth graph of critical frame; also following steps, extracting characteristic point of continuous frame of video frequency sequence; determining matching relation of each characteristic point of continuous frame; computing movement distance between characteristic points matching at continuous frame; then determining the corresponding characteristic point depth value at non-critical frame; performing depth assign for the non-critical frame, further acquiring depth graph of every video frequency frame of the continuous frame. The inventive method and system acquires relatively accurate depth graph of video frequency frame without need of manpower, largely shortens production period from planar video frequency to stereo video frequency, and reduces production cost and simultaneously promotes efficiency.

A press quenching manufacturing technique process of high strength and ductility thick steel plate belongs to low alloying steel manufacturing technique field, which comprises heating up steel billet to 1100 DEG C to 1250 DEG C, rolling steel plate through two stages of austenite recrystallization zone and non recrystallization zone with 860 DEG C to 950 DEG C of final rolling temperature, realizing steel plate press quenching through adopting two cooling ways of aerial fog and water-curtain with 25-45 DEG C / s of average cooling speed in cooling region, stopping the quenching when temperature reduced to 150 DEG C to 300 DEG C, and drawing the steel plate after quenched under high temperature. The invention overcomes the weaknesses of long productive cycle of current modified treatment method, high cost and unfavorable stability of high strength and ductility steel plate property which is manufactured by TMCP technique, and can manufacture 20mm-50mm high strength and high ductility steel plate with stable property. And the invention has the advantages of short production line and low energy consumption, which can be extensively applied to manufacture steel plate which is needed in the industries of metallurgy, petrifaction, hydroelectricity and marine and the like.

The invention discloses a grifola frondosus liquid strain and a method for cultivating grifola frondosus by using the liquid strain. The liquid strain has good dispersion and strong fluidity, and can quicken the growth speed of the strain and shorten the fermentation time; and bag hypha prepared from the liquid strain grows healthily, the growth of each part is uniform, the fungus age is regular, and the grown mushroom is regular and facilitates factory management.

The invention discloses transparent paper and a method for preparing the same by repeatedly coating a surface. The method includes: drying original paper made with pulp until water content is lower than 2%; coating a cellulose solvent on the original paper at constant temperature, hot-pressing at temperature of 80-120 DEG C and at pressure of 1-10 MPa, soaking and washing, and hot-pressing for drying; taking a sample out, circularly treating the sample for 1-3 times according to the above process to obtain the transparent paper extremely low in porosity and compact in structure. When gram weight is 30-60 g / m2, thickness of the transparent paper is 30-100 um, light transmittance is 60-90%, stretch strength is 20-50 MPa, and stretch rate is 10-30%. Paper pulp is adopted as a raw material, so that process environment is friendly, cost is low, production period is short, and only 30-120 min is needed for the whole process; industrialized production can be realized only by partly modifying existing papermaking machine process equipment.

The invention discloses a method for quickly manufacturing a high-temperature alloy hollow blade casting, which comprises: designing an integrated ceramic mold core and mold shell with a computer; preparing quick forming powdered material; manufacturing an integrated ceramic mold core and mold shell biscuit by quick forming technology; roasting the integrated ceramic mold core and mold shell biscuit; casting and cleaning a blade; and separating the blade from the mold core. The invention aims to develop a process for quickly manufacturing a high-temperature alloy casting with a hollow structure, and has the advantages of manufacturing the high-temperature alloy casting with the hollow structure by using the quick forming technology, reducing manufacturing period and reducing cost.

The present invention is one new kind of cellulose solvent comprising lithium hydroxide 3.0-7.0 wt%, thiourea 3.0-6.0 wt% and water the rest. The said cellulose solvent may be used in dissolving natural cellulose and regenerated cellulose via mixing with cellulose, freezing and defreezing; or, it is first cooled to -10 deg.c to 0 deg.c and then maintained in -8 deg.c to 0 deg.c to dissolve natural cellulose and regenerated cellulose directly. The new cellulose solvent may be used to reach cellulose dissolvability as high as 100 % to prepare transparent dense cellulose solution. The dissolved natural cellulose may have molecular weight up to 200000. The new cellulose solvent may be used in preparing regenerated cellulose film, mixture film, cellulose / nano particle functional film and non-woven fabric, and may be also used as cellulose derivatizing reaction medium.

The invention discloses a lightweight inorganic insulation board containing silica aerogel and a preparation method thereof. The preparation method comprises the following steps: a. preparing surfactant liquid: fully stirring a surfactant and water to prepare a uniform surfactant liquid for standby use; b. preparing powder: fully mixing cement, ash calcium, aerogel, light aggregate fillers, fibers and latex powder and stirring uniformly to prepare powder for standby use; c. preparing the inorganic insulation board: adding the uniformly mixed powder to the surfactant liquid within 5-10 minutes through stirring, then filling the slurry into a die for forming and curing at normal temperature, thus obtaining the final product. Compared with the traditional inorganic insulation boards and insulation boards containing non-silica aerogel, the prepared inorganic insulation board containing silica aerogel has the characteristics of short production cycle, simple and controllable process and low price, has good heat insulation property and effectively solves the problems of high heat conductivity coefficients and higher water absorption of conventional inorganic insulation boards, and the heat conductivity coefficient of the inorganic insulation board can be reduced by 10-30%.

The invention discloses a preparation method for liquefied strains of edible mushrooms. The preparation method comprises four steps of purification culture of solid strains, sterile water preparation, solid strain liquefaction and liquefied strain inoculation. Under an aseptic condition, the solid strains are added into a crushing machine and are crushed into paste strains, then the sterile water is added for diluting the paste strains to obtain the liquefied strains, and finally the liquefied strains are poured into culture bags to complete the inoculation by an appliance. The preparation method for liquefied strains of edible mushrooms has the advantages of simplified process, short production period, simplicity and convenience in inoculation, rapid spore germination, uniform cell age, early fruiting, good quality, high yield, high efficiency, small pollution risk, small investment and operating cost, good economic benefit and the like.

The present invention discloses a method for preparing aluminium polychloride by utilizing waste molecular sieve catalyst. Said method includes the following steps: A. adopting catalytic cracked waste molecular sieve catalyst of oil refinery and adding hdyrochloric acid, making them react to prepare aluminum chloride solution; B. adding calcium aluminate into the above-mentioned aluminium chloride solution to coarsely regulate basicity; and C. adding calcium carbonate into aluminium polychloride with low basicity, regulating basicity of product, and curing so as to obtain the aluminium polychloride with high basicity.

The invention relates to a catalyst for synthesizing cyclohexene by hydrogenation of benzene ring and a preparing method thereof. The catalyst consists of activated carbon carrier, metal ruthenium and promoter; the promoter is one or the mixture of more than two from platinum, palladium, rhodium, cobalt and nickel. The method comprises the following steps: pretreated activated carbon is added into water-soluble compound solution of metal ruthenium or mixed water-soluble precursor solution of the metal ruthenium and the promoter so as to be stirred and soaked, thus obtaining mixed slurry; the PH value of the mixed slurry is regulated by alkali compound aqueous solution, after stirring and filtering, the filter cake is washed to neutrality by water, and then after the filter cake is beaten by water, the PH value of the mixed slurry is regulated by the alkali compound aqueous solution, then a chemical reducer is added to reduce ruthenium carbon catalyst in liquid phase, and after washing, the filter cake is transferred into an oven so as to be dried, thus obtaining the product of the ruthenium carbon catalyst. The catalyst has good catalytic activity and high selectivity and is especially suitable for catalytic hydrogenation for synthesizing cyclohexene by the hydrogenation of benzene ring, and the preparing method has simple operation and short production period.

The invention discloses a microarray die-free forming device based on a surface acoustic wave and a forming method. The technical scheme is that a square piezoelectric matrix plate is provided with two pairs of interdigital transducers in a photoetching manner, each pair of interdigital transducers is symmetrically arranged with a center shaft of the square piezoelectric matrix plate as an axis, a square glass fluid tank is placed in the middle of the piezoelectric matrix plate and adhered to the piezoelectric matrix plate, and a formed liquid-state material is accommodated in the glass fluid tank. An ultrasonic surface wave is transmitted in the piezoelectric matrix plate, the energy of the ultrasonic surface wave is leaked into the formed liquid-state material within a certain angles to form a sound field, a signal generator and a power amplifier are adjusted to change amplitude values, frequency and phases of the ultrasonic surface wave, so that a required stable microarray structure is formed on the surface of the formed liquid-state material, and the microarray structure is cured and formed through ultraviolet irradiation. The microarray die-free forming device based on the surface acoustic wave and the forming method have the advantages that the sound field is adopted to manufacture the surface microarray structure through rapid forming in the liquid-state material, the die is not required, the manufacturing process is simple, the equipment requirement is low, the operation is simple and convenient, the production cost is low, and the material usage rate and the production efficiency are high.

The invention discloses a large-field cultivation method for stropharia rugoso-annulata cultivated species, which comprises the following steps: manufacturing a cultivation material; selecting a cultivation place and setting a seeding area in the cultivation place; setting a cultivation layer in the seeding area and seeding strains; covering a soil layer and a straw layer to the seeded cultivation material layer; and preserving heat and humidity for the cultivation material layer till the cultivated species grow. The large-field cultivation method for the stropharia rugoso-annulata cultivated species directly places the cultivation material into a large field in an outdoor environment, and the primary strains grow on the cultivation material to produce hypha so as to finally obtain the cultivated species; the cultivation method has the advantages of little cultivation link, short production period and convenient implementation; simultaneously, the method strictly and scientifically controls the process conditions of material proportion, temperature, humidity and the like during the cultivation so that the hypha has high survival rate and good growth vigor and the cultivated species have high yield; and the method has low production cost and little environment pollution, and can fully meet the demand of cultivating large amount of stropharia rugoso-annulata in countryside.

The invention relates to a preparation method of a zinc oxide microsphere with a nanoflower-shaped microstructure. The method comprises the following steps of: (1) preparing a solution, to be specific, preparing a soluble zinc salt into an aqueous solution, and preparing a soluble alkali into an aqueous solution; (2) mixing the solutions, to be specific, mixing the soluble zinc salt aqueous solution with the soluble alkali aqueous solution at the room temperature in the volume ratio of 1:10-10:1, slowly pouring an aqueous solution of a soluble zinc salt into the aqueous solution of the soluble alkali, and stirring to obtain a clarifying solution; and (3) preparing a product, to be specific, pouring a weakly-acid solution into the clarifying solution obtained in the step (2), wherein the volume ratio of the weakly-acid solution to the clarifying solution is 1:10-10:1, stirring to obtain a turbid solution containing a large quantity of products, repeatedly washing with deionized water and absolute ethyl alcohol, and drying in a baking oven to obtain a final product. Compared with the prior art, the method has the advantages of capability of rapidly, easily and conveniently preparing a product under the room temperature condition, high yield, low cost, environmental friendliness, wide raw material selection range and contribution to industrial production.

The invention provides a nickel phosphide catalyst for producing vinyl chloride by an acetylene hydrochlorination method and a preparation method thereof. The novel mercury-free catalyst with certain activity can be obtained by using Ni2P as an active center, using active carbon as a carrier and adding auxiliary agents; and the catalyst provided by the invention has the advantages of simple production process, short production period, environmental friendliness, low cost and the like. The catalyst shows good activity and selectivity in the reaction of preparing the vinyl chloride by acetylenehydrochlorination.

The invention discloses a method for preparing vegetable protein into a senior condiment by utilizing the modern biology engineering technology. The preparation method includes the working procedures as follows: smashing of defatted soybean meal, soybean milk mixing, enzymolysis, debitterizing, fermentation, deslagging, concentration, Maillard flavoring reaction, drying and the like, thus refining the lactalbumin hydrolysate. The product prepared by the method is rich in small molecular protein, active peptide, amino acid and trace element, has double functions of seasoning and nutrition and health care, serves as a seasoning basic material for foods and condiments, can be broadly applied to condiments, nutrient and health-care products, biochemical reagents, functional foods, frozen foods, baked-puffed foods, leisure foods, sausages, meat products, prepared foods and the like; the product quality is improved; and the product also can be made into the senior condiment by proper concoction.

The present invention relates to the making process of tyre mold, and is two-half mold and movable for making various tyres, including radial tyre, bias angle tyre, engineering tyre and motorcycle tyre. The present invention features that the tyre mold is modular structure and each tyre mold consists of several tyre mold modules, each of which has one complete tyre pattern. The present invention can simplify the manufacture of tyre mold and the tyre mold has short manufacture period, high precision and high quality.

The invention relates to the preparation field of alcoholic beverage, in particular to gingko wine preparation with high health care component content, which is produced by taking deserted ginkgo biloba sarcotesta as the raw material, and adopting biological enzyme degrading pectic substance, cellulose, amylum, and other substances, and adopting the processes of wine yeast and natural grape fermentation or off-flavor alcohol infusing after enzyme destruction and defecation. The problems of foreign flavor and toxic component are simultaneously solved. The health care function of the gingko wine is more powerful than that of grape wine, the wine body is unique, the fruit aroma is stronger, the gingko wine is golden-colored and full of nutriments, with pure taste; and the gingko wine has the effects of dilating coronary arteries, enhancing blood flow, inhibiting blood coagulation, activating plasmin system, improving cardiotrophin, promoting cholesterin conversion, maintaining blood vessel elasticity, preventing and treating thromboembolia, coronary heart disease, angina pectoris, cerebral vasospasm and preventing cancer and restraining cancer, and the like. The gingko wine has remarkable economic benefit and social benefit.

A method for preparing rare-earth polish powder in high cerium nanometer magnitude from rare earth ore concentrate, which is characterized in that the producing steps comprise directly preparing mixed carbonic acid rare-earth from rare earth ore concentrate dense sulphating roasting and infusion with a method of precipitating ammonium acid carbonate, mixing the mixed carbonic acid rare-earth and alkali 0.5-2 parts, heating to 600-800 DEG C to melt the compound, keeping the temperature for 1-4 hours in the molten state, cooling, grinding, then, adding industrial hydrofluoric acid HF>=45% whose adding amount is 10%-20% of the weight of rare-earth concentrate powder, and obtaining oxyfluoride rare earth enriched products, the oxyfluoride rare earth enriched products are grinded, watered, water filtered, mixed in a mixer, then packed into a high-energy ball mill with sieve, and filled with nitrogen, wet powder is ball-abraded with high energy, a high pressure current rotary passage is arranged on the lower portion of a rear sieve of a high-energy ball mill room, the water of sieved powder is dried under the impetus of high speed currents and then baked, and finished polish powder whose powder particle size is <=500nm is obtained.

The invention discloses a method of flexibly connecting a microelectrode array with a printed circuit board (PCB), comprising the following steps: making a PCB interface board; welding a spring needlesocket on the PCB interface board, and inserting a spring needle into the spring needle socket to form an elastic needle bed; aligning the head of the spring needle with a microelectrode array interface microelectrode to make the head of the spring needle contact the microelectrode array interface microelectrode through compressing the spring needle by a fastening screw; connecting the lead wireson the end of the spring needle socket with an electrophysiological signal amplifier and a electrophysiological signal stimulator, and making the lead wire ends correspond to microelectrodes in the central parts one to one to electrically connect the microelectrode array with the peripheral circuit. The invention shortens the PCB interface board making cycle, reduces the PCB interface board making cost, ensures that the elastic needle bed and the microelectrode array interface microelectrode are well contacted without wearing the metal layers on the surfaces of the microelectrode array interface microelectrode and affecting the conducting performance of the microelectrode array interface microelectrode and prolongs the service life of the microelectrode array.

The invention discloses a preparation method of a high-strength and corrosion-resistant composite heat exchanger tube. The composite heat exchanger tube consists of a copper base, alloy metal and filling particles, wherein the alloy metal comprises the following components in percentage by weight: 0.5-0.6% of magnesium, 0.08-0.09% of silver, 0.2-0.4% of tin, 0.012-0.014% of zirconium, 0.012-0.014% of niobium, 0.05-0.06% of nickel, 0.005-0.008% of titanium and 0.02-0.04% of mixed rare earth; the mixed rare earth consists of yttrium, berkelium and lanthanum at a mass ratio of 1: (0.15-0.2): (0.4-0.5); and the filling particles comprise the following components in percentage by weight: 0.010-0.012% of tetrapod-like zinc oxide whiskers, 0.008-0.009% of silicon carbide, 0.005-0.006% of aramid fiber, 0.004-0.005% of glass fiber and 0.002-0.003% of nano titanium oxide. The oxygen content of the prepared composite heat exchanger tube is in an oxygen-free copper level; the crystal grain is tiny; and the mechanical strength, the high-temperature resistance, the corrosion resistance and the wear resistance are improved greatly compared with the existing copper tube.

The invention provides ultraviolet-light-cured glass transparent ink, which can be applied cooperatively with UV painting. The ultraviolet-light-cured glass transparent ink comprises the following components by weight percent: 55 to 80% of mixed UV resin, 5 to 10% of mixed ultraviolet light trigger, 0.1 to 0.5% of polymerization inhibitor, 10 to 30% of UV active monomer, 1 to 3% of adhesion promoter, 0.5 to 1% of defoamer and 0.2 to 0.8% of flatting agent. The invention further provides a preparation method for the ultraviolet-light-cured glass transparent ink. The ink obtained through the raw materials and the preparation method has the advantages of high curing speed, short production period, simpleness and convenience in operation and no solvent contamination, can be painted directly on the surface of a glass substrate, has a high curing speed and high transparency and is well matched with a UV-painted ink layer. The edges of patterns are flat and clear and not etched, and cannot be corroded by UV painting ink, and be well adapted to painting on a UV-painted surface. In addition, the ultraviolet-light-cured glass transparent ink has the characteristics of environmental friendliness, weak odor and few VOC residues.

The invention provides a method for preparing rubber vulcanization accelerator zinc dimethyl dithiocarbamate (PZ), wherein the raw materials used are dimethylamine, carbon disulfide, nonionic surfactant and zinc oxide, and the stoichiometric ratio is two Methylamine: carbon disulfide: non-ionic surfactant: zinc oxide=1: 0.95-1.25: 0.02-0.025: 0.52-0.58; the concrete process of the inventive method is: in the reactor that fills pure water, under stirring state successively Add specified amount of dimethylamine, non-ionic surfactant, zinc oxide, stir for 30-50min, then add carbon disulfide liquid dropwise, dropwise time is 2-2.5h, temperature is controlled at 20°C-25°C; then stir for 1 hour, Carry out solid-liquid separation, discard the liquid, dry the solid, crush, sieve, and pack.

The invention discloses a preparation method of regenerated concrete. The provided method can effectively solve the problem of construction waste recovery and reutilization. Moreover, the concrete production period is short, the microbial treatment can effectively reduce the porosity of regenerated aggregate, thus the crushing value and water absorption of aggregate are reduced, the strength of produced regenerated concrete can reach C50, and the properties of regenerated concrete become more stable.