486results about How to "Unique craft" patented technology

The invention discloses a synthetic method for loxoprofen sodium, which is prepared by taking methyl acetophenone as an initial raw material through reduction, acylation or halogen substituent, cyanation, hydrolysis, bromination, condensation, decarboxylation and salifying. The method has the advantages of easily obtained raw material, unique technology, simple and stable operation, and high productive rate in each step of reaction; and all solvents used in the synthesis process can be recycled, so the production cost is reduced greatly. Tests show that the obtained product has reliable quality and stable performance, and can be further used for making preparation of non-steroidal anti-inflammatory drugs such as the loxoprofen sodium.

The invention relates to a method for preparing aqueous polyurethane. It comprises following steps: employing polyisocyanates bridging agent, proceeding copolymerization with excess aqueous polyether, liquid ploydimethyl oxosilane ternary block and getting ployoxosilane-polyether polymer, introducing polyurethane and organic silicon when generating carbamate with carbamate to main chain, adding chain propagation agent for chain propagation reaction and getting preploymer containing hydrophilic group; adding mixture of polyhydroxy compound and dissolvent into reaction system for second chain propagation reaction; neutralizing by adding neutralization agent, adding water for emulsification, adding polyamine for chain propagation; distilling to remove dissolvent after reaction and getting aqueous polyurethane modified with aqueous polyurethane-polyether polymer. The product possesses characteristics of polyurethane and polysiloxane, the storage stability, mechanics property and comprehensive performance is increased and it mainly is used as pigmentum and aqueous industrial coating material.

The invention discloses a high performance aerated concrete and a method for preparing the same. The product comprises fly ash and/or quartz tailing powder, lime, cement, desulfurization gypsum and aluminum powder pastes. The preparation method comprises steps of mixing and stirring, moulding and curing. The technology of the invention is unique and easy to operate. The fly ash and quartz tailing are made full use of, which changes waste into valuables. The prepared aerated concrete has advantages of good property, low shrinkage of 0.6-07, high intension and reduces the formation of the wall crack.

The present invention is the technological process of preparing soybean protein peptide with soybean as material. The technological process includes dissolving soybean protein, the first enzymolysis, centrifugal separation to obtain supernatant and precipitate; separating and enzymolyzing the supernatant and the precipitate, with soybean glycopeptide being obtained via enzymolyzing the supernatant; centrifugally separating the precipitate enzymolyzing product to obtain supernatant and precipitate for the second time; separately drying the the supernatant and the precipitate to obtain amino acid balanced peptide and soybean polypeptide separately. The technological process is unique and low in cost, and the products have nourishing and auxiliary treatment effects and no toxic side effect and may be used widely in medicine and health food.

The invention belongs to the technical field of wine brewing and particularly relates to mild thick-flavor white spirit and a production method thereof. A brewing technique of the mild thick-flavor white spirit comprises the following steps: feeding raw materials for the first time; roughly treating the raw materials; feeding the raw materials for the second time; treating the raw materials; fermenting grains after the first to six wine taking in turn, and taking wine; double times of feeding, one time of raw material treatment, nine times of fermentation, ten times of stewing and seven times of wine taking are performed during one production period. The brewing technique is characterized in that in comparison with traditional thick-flavor white spirit, the mild thick-flavor white spirit disclosed by the invention is characterized in that the crushing rate of fed broomcorn, the amount of used yeast for preparing hard liquor, the amount of used grain wetting water and the stacking fermentation temperature are regulated; no pit bottom liquor is generated during production; the yield and the labor productivity are increased; the grain consumption and the energy consumption are reduced; the sour and bitter tastes of first and second produced wine, and the burned food taste of six and seven produced wine are reduced; the wine is mild, mellow, elegant and smooth in style, remarkable in thick flavor, and lasting in tail taste, and the fragrance can be retained in an empty cup for a long time.

The invention discloses a flexible lithium ion battery. The flexible lithium ion battery is composed of a case packaging and an electrical core packaged in the case packaging; the electrical core comprises a cathode and an anode, an upper extraction electrode arranged on the cathode, and a lower extraction electrode arranged on the anode; the electrical core also comprises a polymer electrolyte fire-retardant composite layer arranged at the middle part of the electrical core; the polymer electrolyte fire-retardant composite layer is a composite thin film composed of a polymer electrolyte layer arranged in the middle, and solid fire retardant layers arranged on the upper surface and the lower surface respectively. The invention also discloses a preparation method of the flexible lithium ion battery. The solid fire retardant-containing flexible lithium ion battery is high in efficiency, long in cycle life, and large in energy density, and is capable of satisfying electric energy demands of flexible electronic devices. The solid fire retardant is capable of improving safety performance of the flexible lithium ion battery effectively. The preparation method is unique, is convenient for processing and batch production, and is high in practical value.

The invention discloses a method for preventing drilling collapse of a downhole coal bed and belongs to a method for preventing drilling collapse. During constructing a gas extraction hole of the coal bed, a drill bit retreats a certain distance after arriving a finished hole position, porous materials in a porous material conveying device are conveyed to a reserved filling section of the front end of the drill bit through an inner hole of a drill rod by the aid of the compressed air. Then the porous materials are conveyed once when the drill bit retreats a certain distance each time until the drill bit retreats to a preset sealed hole position. Porous materials reserved in holes can support hole walls to prevent collapse, and meanwhile, gaps between the holes and the porous materials provide good passages for gas suction and flowing, gas of the coal bed can be guaranteed to leak from the drilled holes to some extent even if the drilled holes collapse. The method for preventing drilling collapse of the downhole coal bed has the advantages that system and process are unique, drilling gas extraction is high in flow and concentration, the method has widely practicality and is particularly applicable to drilling of the coal bed with firmness coefficient f smaller than 0.5.

The invention discloses a method for preparing functionalized graphene by a synchronous ultrasonic chemical and mechanical chemical method. The method comprises the steps of adding a graphite raw material and a functionalized reagent into ultrasonic ball milling equipment, and carrying out ultrasonic ball milling for 1-72h at a rotating speed of 100-500rpm under an ultrasonic environment to obtainfunctionalized graphene containing functional groups. According to the method, graphite is stripped by synchronous ultrasonic ball milling to obtain graphene, and by virtue of ultrasonic chemical andmechano-chemical actions, the functionalized reagent and the graphene rapidly react chemically, and functionalized modification of the graphene is realized at the same time, so that the stripping efficiency and dispersion stability of the graphene are effectively improved, the structure and the performance of the graphene material are regulated and controlled, and the application field of the graphene material is expanded.

The invention discloses a method for producing an environment-friendly particle board through continuous hot pressing of a total eucalypt wood leftover material. The method comprises the procedures like chipping, flaking, drying, two-time screening (veneer removing and grit removing), sorting and polishing, mixing glue, hot press molding, aftertreatment, sanding and board selecting. According to the method, the eucalypt wood leftover material is fully utilized, and the wood waste is reduced; the produced particle board reaches the national standard and meets the GB/T4897-2015 requirement in Particle Board and the GB18570-2001 requirement in Indoor Decorating and Refurbishing Materials Limit of Formaldehyde Emission of Wood-based Panels and Finishing Products; melamine impregnated paper can be pasted on the surface of a produced panel; and the particle board is manufactured into high-end desk panels, wardrobe and cabinet panels, partitions, wood floors, ceilings, and other panels.

The invention discloses a multiple step type drilling and protecting integrated system and a process for a soft coal seam. The system mainly comprises an air compressor, a high-pressure rubber hose, a hole protecting drilling machine, a rack, a hole protecting drilling rod, a guider and a simple drill. The process comprises the steps of firstly drilling a hole by using a common drilling rod and a common drill and pulling the common drilling rod and the common drill out of the hole after the hole is formed; then performing second drilling of the formed drill hole by using the hole protecting drilling rod and the simple drill in a matching mode, and simultaneously performing wind-power auxiliary slagging, when an end hole point is drilled, the hole protecting drilling rod is not withdrawn, the whole body is left inside the hole, and hole wall supporting and gas extraction functions are achieved; and finally pulling out and recycling the hole protecting drilling rod through the hole protecting driller after the gas extraction is completed. According to the system and the process, the process is unique, a hole protecting pipe can transmit high-pressure air and can extract gas, the coal dust discharging performance is strong, the hole protecting pipe moves forwards along the drill hole easily, the hole protecting pipe diameter is large, the hole protecting length is long, the problems that the soft coal seam is small in hole protecting pipe diameter and short in feeding distance are solved, and the system and the process are particularly suitable for soft high gas coal seams with a value of a sturdiness coefficient f, which ranges between 0.3 and 0.8.

The invention discloses a new method of chloroethylene through acetylene method and specific equipment, which comprises the following steps: disposing raw material gas strictly; reacting two-segment compensation; recycling heptane; cooling; radiating; providing specific catalyst and reactor to synthesize chloroethylene; disposing effluent with mercury to obtain high-purity chloroethylene monomer.

A Chinese medicine in the form of tablet, capsule, powder, particles, oral liquid, or injection for treating gynopathy is prepared from 10 Chinese-medicinal materials including ginseng, cnidium fruit, astragalus root, mother wort, etc through unique process. Its advantages are quickly taking its effect, high cure rate and short course of treatment.

The invention discloses a method of producing graphene by stripping graphite via time-space-synchronous ultrasonic treatment and a ball-milling process. The method includes the steps of: adding a graphite raw material and a stripping reagent into an ultrasonic ball milling device and performing ball milling for 2-96 h under an ultrasonic environment; and separating, washing and drying the mixtureto obtain graphene powder. Through the time-space-synchronous ultrasonic treatment and the ball-milling process, the graphite is stripped; due to the synergistic effect of the two methods, interlayerin-situ expansion of the graphite is formed and meanwhile a strong shear force is applied to the graphite during ball milling. The method is high in efficiency and yield and is suitable for large-scale production of graphene.

The invention discloses a manufacturing method of a high-precision pressure sensor based on silicon-silicon bonding. The high-precision pressure sensor comprises a sensitive silicon wafer layer and a substrate silicon wafer layer and is characterized in that the substrate silicon wafer layer is connected to the back of the sensitive silicon wafer layer, and the sensitive silicon wafer layer and the substrate silicon wafer layer use silicon-silicon bonding process to form a pressure sealing cavity; the substrate silicon wafer layer and the sensitive silicon wafer layer are made of homogenous monocrystalline silicon materials, and the substrate silicon wafer layer is provided with a pressure guide through hole in the center. The manufacturing method has the advantages that the substrate silicon wafer layer and the sensitive silicon wafer layer are made by using the monocrystalline silicon materials as the substrates, the substrate silicon wafer layer and the sensitive silicon wafer layer are connected in an airtight manner through the silicon-silicon bonding process, the pressure sealing cavity of a silicon-silicon homogenous material structure is formed, various influences, caused by the pressure sealing cavity of the silicon-glass heterogeneous material structure of a conventional pressure sensor, on the performance of the sensor due to the feature difference of two different materials are avoided, static pressure errors are reduced effectively, temperature excursion of the sensor is lowered, and the comprehensive precision of the sensor is increased.

The invention relates to a method for casting a machine tool casting, in particular to a method for casting an overlong large machine tool casting. The invention is characterized in that the method comprises the steps as follows: preparing a pit, manufacturing a casting model, molding, making a core, pressing a box, pouring, shaking out sand normally and blasting ball. The invention provides the method for casting the overlong large machine tool casting. The technical method is unique, combines EPS with a wood pattern main frame mold and uses a casting technology of molding in the pit, and the invention can reduce the expense for producing tool equipment and solve the casting difficulty that the overlong large casting has the size problems such as being deformed easily during the production.

The invention relates to a method for preparing indium vanadate nano particles, The method comprises the steps of: dissolving indium nitrate, ammonium metavanadate and hexadecyl trimethyl ammonium bromide in water, mixing according to the mol ratio of indium to vanadium of 1: (1 to 2), then adding the hexadecyl trimethyl ammonium bromide according to a mol ratio of indium to vanadium to hexadecyl trimethyl ammonium bromide of 1: (1 to 2): (0.02 to 0.05), stirring for 10 to 12h, regulating a pH value to 8 by utilizing potassium hydroxide, and filtering, washing and drying generated precipitate to obtain solid powder; and mixing the solid powder with 10mol/L of potassium hydroxide solution according to a mass ratio of 1: (25 to 50), then putting into a reactor to have hydro-thermal treatment for 8 to 24h at the temperature of 150 to 180 DEG C to obtain an indium vanadate precursor, and drying the indium vanadate precursor and then placing into a muffle furnace to be baked for 1 to 2h at the temperature of 450 to 550 DEG C and then naturally cooling to obtain the indium vanadate nano particles. The method has the advantages of simpleness in operation, relatively low synthesized temperature, controllable appearance shape and high photocatalytic activity of the indium vanadate nano particles; and the application field of an indium vanadate nano material can be further widened.

The invention discloses a salting method for sesame paste flavored salted duck eggs. The salting method comprises the following steps of: cleaning duck eggs and drying the cleaned duck eggs; uniformly mixing sesame paste or fresh sesame oil residues with salt in the ratio of 3:1 in a mixer, and pouring the mixed ingredients into a container; evenly coating the mixed ingredients on the duck eggs; putting the duck eggs into a sealed container; and storing the container at a shady, cool and ventilate place without light for 30-40 days at 15-20 DEG C. The sesame paste flavored salted duck eggs produced by the method have soft and oily yolks and pale yellow egg whites, have the flavor of sesame paste, can be eaten after being washed and cooked for 10min, and are preferably cooked by a pressure cooker. The sesame paste flavored salted duck eggs can be stored for six months at a shady, cool and dry place, have delicate and pale yellow in egg whites, soft and bright yolks and the flavor of sesame paste, and are special in technology, thick in mouth feel, rich in nutrition, green, pollution-free and convenient to eat.

The invention relates to a method for synthesizing high molecular retanning dyeing auxiliary agents through enzyme catalysis, which comprises the following steps: dissolving p-aminobenzene sulfonic acid and 2, 3-dihydroxy naphthalene-6-sodium sulfonate into de-ionized water, using a sodium bicarbonate solution for regulating the pH value of the system, and finally, obtaining the retanning dyeing auxiliary agents through co-polymerization reaction carried out under the horse radish peroxidase (HRP) catalysis. The invention uses HRP as catalysts of the polymerization reaction, and the HRP has the advantages of high efficiency, high selectivity and environment protection when being used for catalyzing the polymerization. The invention has the advantages that phenols or arylamines can carry out polymerization in ortho positions or para positions of hydroxide groups and amino groups for forming a polymer with directly connected C-C structures and large pi conjugated systems, the formaldehyde pollution in the traditional synthesized retanning agents is avoided, and at the same time, the products with the conjugated systems contain a large number of auxochromic groups such as -NH2, -OH and -SO3H and the like. Retanning leather is full and soft, and the dye absorption rate is higher than 99 percent, and in addition, the retanning dyeing auxiliary agents have obvious dyeing aid effect.

The invention relates to a needle bush fiber yarn and a preparation method for the same and application. The paper yarn is mainly made of main material and auxiliary material according to weighty by parts. The main material comprises 100 parts of needle bush slurry; the auxiliary material is formed by 0.04 to 0.06 parts of softener, 0.06 to 0.08 parts of water-repellent agent and microscale of dyeing agent. The paper yarn preparation step is formed by first, preparing slurry, in which needle bush is pulped with water, second, adding auxiliary material and evenly stirring, third, making paper, in which making paper slurry into thin weaving paper with weight of 11 to 22g, fourth, slitting the paper into paper strips with 2 to 4mm width, and fifth spinning, in which twisting the elongated paper strip into 21 to 32 paper yarns. The paper yarn can be applied to paper-made socks, underwears, knitting shirts, paper towel, paper shoes and paper caps and great ventilation and water absorption can be achieved; sweat can be absorbed and bacteria can be resisted and odor can be eliminated; and the needle bush fiber paper yarn can be recovered, thereby causing no pollution to the environment.

The invention relates to a compound amino acid capsule (8-11) and a preparation method thereof, specifically to a capsule including pellets of eight amino acids and eleven vitamins and a preparation method thereof. The capsule comprises 7 spherical pellets which are composed of the following raw materials by weight: 2.66 to 9.9 parts of a thiamine mononitrate pellet, 16.35 to 20.5 parts of a vitamin pellet a, 35.0 to 44.1 parts of an amino acid pellet a, 11.4 to 14.4 parts of a vitamin pellet b, 6.65 to 10.5 parts of an amino acid pellet b, 12. 73 to 16.0 parts of a vitamin C pellet and 5.7 to 9.36 parts of a vitamin AD bead. The capsule provided by the invention has the advantages of a scientific and reasonable ratio, good stability, no toxic and side effects, high security and good biological effects and can be applied in preparation of medicines used for treating chronic liver and kidney diseases and of foodstuffs used for alleviating and eliminating physical fatigue caused by exercise training. The capsule provided by the invention has characteristics superior to those of the prior art.

The invention relates to a production method of a fireproof coating for a sand mould casting and particularly relates to a preparation method of a water-base spraying coating for a large-size iron casting, which is used for a large-size thick-wall iron casting and is suitable for a spraying coating process. The method comprises the following steps: adding water into a high-speed dispersion kettle; starting electric agitation; slowly adding hydroxypropyl methyl cellulose; after adding the material, continuing to agitate; adding sodium pentachlorophenate, an organic silicon de-foaming agent and an activating agent into the dispersion kettle; starting the electric agitation and slowly adding attapulgite into the dispersion kettle while keeping high-speed agitation; after adding the material, dispersing; sequentially adding PVA (Polyvinyl Acetate), ethyl silicate and aluminum sulfate into the dispersion kettle; after adding the material, dispersing; sequentially adding bauxite and sillimanite into the dispersion kettle under an agitating state; after adding the material, finishing dispersion; discharging and packaging. The production method provided by the invention is unique in raw materials and process, high in environmental protection coefficient, excellent in coating rheological property and good in spraying performance; the coating is easy to sinter and is particularly suitable for the large-size iron casting.