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533results about How to "Unique method" patented technology

Double-workbench drive laser processing machine and processing method thereof

The invention provides a double-workbench drive laser processing machine and a processing method thereof, and relates to the technical field of laser precision processing equipment. The double-workbench drive laser processing machine is provided with a first workbench, a second workbench, a laser beam transfer device (LBDS), a vacuum adsorption chuck and an image acquisition device. The processing method comprises the following steps: carrying out P1 non-contraposition and P2 contraposition on the basis of a unified affine transformation model; mapping a workpiece coordinate space to a processing coordinate space, i.e. a first workbench processing coordinate and a second workbench processing coordinate; and transferring a CAD data pattern to the workpiece, thereby controlling a feature position error of the processed pattern within an ideal accuracy range. By using the invention, the working efficiency of the P1 procedure can be effectively enhanced and the problem of automatic visual contraposition accuracy caused by workpiece deformation in the P2 procedure can be effectively solved, thereby reducing the cost and enhancing the productive capacity. The invention has the advantages of simple structure, and unique principle and method. The invention is especially suitable to be used on a large-scale LTCC / HTCC production line of processing technology.
Owner:THE 45TH RES INST OF CETC

Method for comprehensively treating high salt content organic industrial wastewater

The present invention provides a method for comprehensively treating high salt content organic industrial wastewater, and relates to the field of the organic material preparing technique. The method of the invention mainly comprises the following steps: executing acid-alkali adjustment to the organic wastewater until pH=7-9, preheating to 30-60 DEG C; introducing the wastewater into a triple effect evaporator for executing triple effect evaporation, executing salting out to the evaporated wastewater which is condensed to a certain degree so that the solid and liquid are separated; separating the concentrated liquid for continuing the condensation; when the separated liquid satisfies a certain requirement, atomizing into an incinerator for incinerating and discharging according to the standard, and introducing the triple effect evaporation condensation water into a biochemical treating system. The method of the invention can totally dispose and remove the organic matter in the high salt content organic industrial wastewater so that the high salt content organic industrial wastewater can be charged according to the standard. The method of the invention has the advantages of unique method, simple technical process, easy operation, low operation cost, large treating capacity, low regeneration energy consumption, no easy forming of secondary pollution after abandon, better economic and social benefit, and wide application range. The method of the invention can be widely applied for the treating of the high salt content organic wastewaters of garbage penetrating fluid, dye intermediate wastewater, etc.
Owner:HEBEI JIANXIN CHEM IND CO LTD

Method for producing clear wolfberry juice

InactiveCN103230070AUnique methodUnique natural flavorFood preparationBiotechnologyUltrafiltration
The invention relates to a method for producing wolfberry juice and in particular relates to a method for producing clear wolfberry juice. The method comprises the following steps of: juicing, grinding, pulping, separating, performing enzymolysis and performing ultrafiltration on the membrane. The method is unique, and the provided product does not contain a chemical additive, is good in mouthfeel, nutritive and healthy.
Owner:王自贵

Golf club head with adjustable weighting

A titanium bodied driver that utilizes a lightweight receiving back cap, which is designed to be non-removable from the club head but can be loosened to allow its interior to be accessed to reposition one or more movable weights into alternative receiving locations, is disclosed herein. The back cap may also be designed to be completely removable from the driver body to gain access to the one or more weights that can be re-positioned in alternative receiving areas within the back cap's interior.
Owner:CALLAWAY GOLF CO

A construction method for the communication channel of the broken stratum in the shield tunnel crossing the river

The invention relates to a construction method for an underground tunnel, in particular to a construction method for a river-crossing shield tunnel crushed stratum communication channel, which is used for solving the problems of failure of stratum reinforcement, long working period, high cost, poor quality and the like existing in the construction process of the conventional river-crossing shieldtunnel crushed stratum communication channel. The method comprises the following steps of: determining the position of the communication channel; before opening, performing pre-grouting to integrallyconsolidate broken rock outside the excavation outline of the communication channel; forming a high-strength waterproof curtain; before excavation, performing stress conversion; drilling and partitioning to remove a left line pipe sheet, brushing the top, performing tunnel excavation with a combined damping burst technology, and timbering; and drilling and partitioning to remove a right line pipesheet, brushing the top, and performing second lining construction by adopting a combination template. Due to the adoption of the construction method, water seepage is avoided after excavation, the technology is advanced, the blank of a communication channel pre-grouting technology is fulfilled, the working period is short, the mechanical degree is high, the process is simple, construction is environmentally-friendly, collapse is avoided, and over-excavation is greatly lowered; and the method has a wide application range.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Preparation method of CuInS2 nanoparticles

The invention relates to a method for preparing CuInS2 nanoparticles by solvent thermosynthesis using biomolecules, which comprises the following concrete steps: firstly, preparing a copper source solution, then adding an indium source into the solution, evenly mixing, and adding a sulfur source into the mixed solution; dropwise adding an inorganic alkaline solution to regulate the mixed solution to be weakly alkaline, and evenly stirring; and finally, putting the solution in a high-pressure reaction kettle, reacting at constant temperature for a period of time, cooling, washing with a solvent, and drying to obtain the CuInS2 nanoparticles. By using nontoxic biomolecule L-cysteine as the sulfur source, the invention avoids the emission of toxic gas and lowers the technique cost. The L-cysteine can be used as both a sulfur source and a guide agent for reaction, is favorable for generating products with special structure and pattern and excellent photovoltaic properties, and develops a new way for synthesizing other semiconductor photovoltaic materials.
Owner:TONGJI UNIV

Patassium dihydrogen phosphate crystal slaking and finishing method

The invention discloses a deliquescence polishing method for a potassium dihydrogen phosphate (KDP) crystal, which relates to the polishing method for crystals and solves problems that when an existing ultra-precision machining method is adopted to process the KDP crystal, small size ripples and embedment of particles probably occur on the surface of the KDP crystal, the surface of the KDP crystal is difficult to be washed and the existing ultra-precision machining method is low in processing efficiency and high in cost. The deliquescence polishing method of the invention is that 1. a KDP crystal polishing device is adopted; 2. the surfaces to be polished of the stock of a KDP crystal (4) are pretreated; 3. certain pressure is imposed on a sample carrying tray (5) longitudinally; 4. the surfaces of the KDP crystal treated by the step 2 are deliquesced by adopting deliquescence polishing solution or water vapor; 5. a control switch of the sample carrying tray (5) and a control switch of a polishing disk (3) are started and then deliquescence polishing is carried out on the surfaces of the KDP crystal treated by the step 2. The deliquescence polishing method of the invention is novel, unique, simple and has the advantages of high processing efficiency and low cost, no small size ripples on the surfaces of the KDP crystal processed by the method, no embedment of particles; the surfaces of the KDP crystal processed by the method are easily washed and the surface roughness can reach 1nm to 8nm.
Owner:HARBIN INST OF TECH

Synchronizing method for orthogonal frequency division multiplex system

The invention discloses a synchronization method for orthogonal frequency division multiplexing system, including: the launcher firstly constructs the originated / synchronous sequence that is sent out with OFDM data symbols together. Based on the correlation of CP effective length in OFDM symbols form the receiving end, the correlation result conducts a time domain processing to the correlation sequence energy to get the best synchronization points set after one synchronization. Based on the originated sequence and CP, the departure estimation and departure compensation of fractional part DF several times are processed. During a range of synchronization points set output at once, the long pre-symbol received after the compensation is made time-domain correlation with the symbol to find the second time synchronization point. Then after time-domain of the short pre-symbol and the received pre-sequence is made frequency departure compensation, time-domain-related operations is conduct to get the DF departure estimation of integer times, and departure compensation is conduct.
Owner:ZTE CORP

Novel production process of high-purity 5' nucleotide

The invention relates to a process for producing 5'nucleotide. A penicillium citrinum strain M-71 is cultured by submerged fermentation to generate extracellular nuclease P1, 2.5 to 5 percent ribonucleic acid solution is degraded, of which, the degradation rate is more than 80 percent; foreign protein and residual ribonucleic acid are removed by using a high frequency vibrating screen, clean 5' nucleotide solution after impurity removal is subjected to ultrafiltration by a ceramic membrane to remove the macromolecular residual matters; and four columns filled with strong alkaline anion exchange resin are connected in series to one-time adsorb and elute and collect in multiple steps, four mononucleotide solutions are collected, and a nano filter membrane with the molecular weight of 300 daltons is selected for cutting, desalting, concentration, decoloration by active carbon, crystallization and drying to obtain the product. The process has the advantages of better separating four nucleotides, removing inorganic phosphorus by elution and ensuring the preparation of high-purity 5'nucleotide product, and according to HPLC tests, the purity of the product can reach between 98 and 102 percent.
Owner:大连珍奥生物技术股份有限公司

Jerusalem artichoke-soybean fermentation beverage and preparation method thereof

The invention discloses a jerusalem artichoke-soybean fermentation beverage and a preparation method thereof. The beverage contains a jerusalem artichoke-soybean fermentation solution as a main component. The preparation method of the jerusalem artichoke-soybean fermentation solution comprises the following steps of: mixing jerusalem artichoke pulp and soya-bean pulp in a volume ratio of (3-5):1, heating and sterilizing, wherein the obtained mixture is used as a fermentation base material; and then inoculating mixture bacterium of lactobacillus bulgaricus, streptococcus thermophilus, monascus and beer yeast into the fermentation base material according to an inoculating amount of 3-5%, fermenting for 12-20hours at a temperature of 28-32 DEG C, filtering after finishing fermentation and then adding aroma enhancement yeast into the fermentation base material according to an inoculating amount of 1-2%, then fermenting for 48-60 hours again at the same temperature, and filtering a fermentation solution after finishing fermentation to obtain a jerusalem artichoke-soybean fermentation solution. The mass ratio of lactobacillus bulgaricus to streptococcus thermophilus to monascus to beer yeast is 2:2:4:2. The preparation method disclosed by the invention is unique; the obtained beverage has good mouth feel, good appearance and rich nutrition; and the immunity can be improved after drinking the beverage for a long time.
Owner:SHANDONG JIANZHU UNIV

Municipal solid waste harmless treatment method

The invention aims to provide a municipal solid waste harmless treatment method. The purposes of harmless treatment of municipal solid waste and recycling of waste can be achieved effectively. According to the technical scheme, the municipal solid waste harmless treatment method comprises the following steps of (1) waste collection, (2) thermal pyrolysis, (3) waste heat utilization, (4) smoke treatment, (5) ash treatment, (6) fly ash treatment and (7) percolate treatment. The method is unique and scientific, saves energy, reduces emission, effectively achieves harmless treatment of municipal solid waste and is extremely great in economic and social benefits.
Owner:河南华泰粮油机械股份有限公司

Database device database search device, and method thereof

There is provided a database server capable of easily adding various kinds of associated data without modifying the structure of the database. A heading node (T node) is correlated with an associated node (A node) and an association role R is defined between the T node and the A node associated with it. Furthermore, each of the T node and the A node is added with an identifier (ID), its attribute (node type), and a name (node name). The data having such a structure is stored in an association / role table (AR table) composed of an entry containing ID of the A node and T node associated with each other and the association role R defined between them and in an identifier table (ID table) containing the ID, attribute, and name of the A node and the T node, so that the data can be searched.
Owner:HEWLETT PACKARD DEV CO LP

Soilless culture medium for vegetables

The invention relates to a soilless culture medium and particularly relates to a soilless culture medium for vegetables. A preparation method of the soilless culture medium is characterized by comprising the following steps: uniformly mixing solid materials to obtain a solid medium; spraying a nutrient solution to the solid medium and uniformly mixing to obtain materials, placing the materials at 15-30 DEG C for 13-15 days, and naturally fermenting to obtain the soilless culture medium, wherein the solid materials comprise the following components in parts by weight: 2-3 parts of thoroughly decomposed furfural residues, 2-3 parts of thoroughly decomposed corn stalks, 0.5-1 part of perlite, 1-2 parts of vermiculite, 2-3 parts of furnace clinker, and a ratio of the nutrition solution to the substrate is (1-2) to 50. According to the soilless culture medium of the vegetables disclosed by the invention, the raw materials and the method are unique, the yield of the vegetables can be increased, the amount of pesticides can be reduced, the resource cyclic utilization is realized, and the production cost is lowered.
Owner:NINGXIA KOCEL BIOLOGICAL CHEM

Organic-inorganic compound fertilizer special for watermelons and production method of organic-inorganic compound fertilizer

The invention relates to an organic-inorganic compound fertilizer and a production method thereof, in particular to an organic-inorganic compound fertilizer special for watermelons. The organic-inorganic compound fertilizer is characterized by comprising the following raw materials in parts by mass: 40-60 parts of thoroughly-decomposed organic fertilizer, 20-25 parts of urea, 8-12 parts of triple superphosphate, 15-20 parts of potassium sulfate, 1-3 parts of micro element fertilizer, and 8-10 parts of an adhesive. The production method comprises the following steps: the thoroughly-decomposed organic fertilizer is prepared firstly; then, the urea, the triple superphosphate, the potassium sulfate and the micro element fertilizer are evenly mixed and smashed; the fermented thoroughly-decomposed organic fertilizer and the adhesive are thoroughly mixed with the smashed materials, are granulated through a disc, and are dried and screened to obtain the product. The production method is unique; the organic-inorganic compound fertilizer is rich in nutrients, can guarantee excellent quality and high yield of the watermelons, improves soil, prevents diseases, resists continuous cropping, and improves planting benefits.
Owner:NINGXIA KOCEL GRP CO LTD +1

Positioning method for groove weld defects of large-wall-thickness pipe fitting

The invention relates to a positioning method for groove weld defects of a large-wall-thickness pipe fitting. The positioning method comprises the following steps of: polishing the welding surface; marking a region; evaluating a negative film; drilling the marked part by utilizing a magnetic drill according to ultrasonic flaw detection depth; carrying out ultrasonic flaw detection to recheck the periphery; carrying out carbon arc gouging by utilizing a carbon rod until reaching the ultrasonic flaw detection depth; carrying out a process according to a welding process scheme made in advance; polishing the welding surface; carrying out penetration flaw detection, magnetic powder flaw detection or the ultrasonic flaw detection; polishing a groove weld part which needs to be subjected to radiographic flaw detection; carrying out the radiographic flaw detection. The positioning method is unique, provides a sufficient basis for the gouging and excavating depth and position of a defect and reaches a purpose of completely removing the defects in a carbon arc gouging manner.
Owner:KOCEL STEEL

River water quality prediction method

ActiveCN107091911AQuickly predict changes in water qualityPromote ecological environment protectionGeneral water supply conservationTesting waterSocial benefitsEcological environment
The invention aims to provide a river water quality prediction method. The method includes the steps that a specific boundary of a to-be-predicted river is depicted; a .kml format file of the predicted river boundary is converted into a point; the WGS 1984 coordinates of the point are converted into coordinates with meter as the unit; the converted to-be-predicted river boundary point position coordinates are stored; grid division is carried out on the predicted river by using CVLGrid1.0 software, and the divided predicted river grid is exported; a grid file of the to-be-predicted river is imported into an EFDC-Explorer; on the basis of establishing a hydrodynamic model, a water quality model of the predicted river is established; real-time monitored flow and water quality data of the flow boundary of the predicted river are imported into the water quality model, the water quality distribution situation of the to-be-predicted river is simulated within a period of time, and water quality prediction of the to-be-predicted river is achieved. The method is unique, easy to operate and apply, accurate in prediction effect and beneficial to ecological environment protection of rivers, and has remarkable economic and social benefits.
Owner:郑州大学环境技术咨询工程有限公司

Method for processing refuse in kitchen cupboard into biological feed

The invention provides a method of biologically making restaurant and kitchen rubbishes into feed, including: solid-liquid separation and oil-water separation. The oil separated out is made into fatty acid calcium particles by emulsifying and hydrogenating. The water separated out is added to feed saccharomycetes to obtain a saccharomycetes-containing solution. The solid separated out is sterilized at high pressure and then mixes with the solution to ferment into the feed. The method is special, the process is novel, and the final product is economic and practical. It converts the restaurant and kitchen rubbishes to the feed that has high-added value fatty acid calcium and high protein. The whole course does not discharge any pollutant and has no secondary pollution. The feed obtained contains various physiological active substances, helpful for the domestic animals and fowls to digest and assimilate the feed, thus increasing the utilization rate of the feed.
Owner:哈尔滨蓝雪科技开发有限公司

Nicergoline pill and preparation method thereof

The invention discloses a nicergoline pill and a preparation method thereof. Preparation comprises nicergoline, diluent, disintegrant, adhesive, lubricant and film coating premixing agent. The preparation method includes uniformly mixing the diluent with the internally added disintegrant; preparing blank particles in proper quantity by the adhesive, drying, pelleting and reserving; independently pelleting main drug by the proper adhesive, quickly drying, pelleting and reserving at lower temperature; uniformly mixing the main drug particles with the blank particles, adding externally added auxiliaries, mixing totally, pressing, coating a thin film and packaging. Accordingly, flowability of the particles is guaranteed, the drug can be dissolved beneficially, and more importantly, the problems that content of the main drug and the auxiliaries is lowered and relevant substances are increased due to the high drying temperature and long time in pelleting are avoided. Compared with the prior art, the nicergoline pill has the advantages of reasonable components, simplicity in process, unique preparation method, high dissolving degree, good stability of the preparation, low cost and the like.
Owner:SHANDONG FANGMING PHARMACEUTICAL CO LTD

Golf club head with adjustable weighting

A titanium bodied driver that utilizes a lightweight receiving back cap, which is designed to be non-removable from the club head but can be loosened to allow its interior to be accessed to reposition one or more movable weights into alternative receiving locations, is disclosed herein. The back cap may also be designed to be completely removable from the driver body to gain access to the one or more weights that can be re-positioned in alternative receiving areas within the back cap's interior.
Owner:TOPGOLF CALLAWAY BRANDS CORP

Production method of alcohol-based flow coating paint for cast iron

The invention relates to a production method of paint and in particular relates to a production method of an alcohol-based flow coating paint for cast iron. The production method of the alcohol-based flow coating paint for the cast iron comprises the following steps: adding a dissolved rosin liquid and a pretreated bentonite liquid into a dispersing kettle, then sequentially adding ethanol, a combustion-supporting agent, isopropyl alcohol and a thickening agent in residual content, carrying out electric stirring, sequentially adding polyvinyl butyral, a silicate composite suspending agent, a defoaming agent and a surface active agent into the dispersing kettle, regulating the stirring rate to be 500r / min after charging is finished, sequentially adding flake graphite and mullite into the dispersing kettle, regulating the stirring rate after charging is finished, dispersing, sequentially adding quartz powder and white corundum into the dispersing kettle, regulating the stirring rate to be 1200r / min after charging is finished, dispersing for 20 minutes, and discharging. The production method of the alcohol-based flow coating paint for the cast iron is unique, and the produced alcohol-based flow coating paint for the cast iron has the advantages of superior liquidity, good levelling property, high suspension stability, heat shock crack resistance, high temperature stability, sand burning resistance and low gas-forming property.
Owner:共享新材料(山东)有限公司

Manufacturing method for high precision pentagonal prism

The invention provides a manufacturing method for a high precision pentagonal prism, which delicately utilizes the pentagonal prism angle relation through copying the high precision angle of the square brick and adopts a regular optical cement to realize the pentagonal prism high accuracy processing. The manufacture method comprises steps of using an optical cement supporting body with accuracy being 90 degree+ / -2' to guarantee the perpendicularity between the four working faces of the pentagonal prism and the side to be within 5'and guarantee a second parallel error, using a comparison angle measurement instrument to monitor the upper plate of the angle optical cement, respectively guaranteeing the processing accuracy of a 90-degree angle and a 22.5 degree angle, and guaranteeing a first parallel difference of the part. The invention avoids the process of single-piece angle modification by adopting the high accuracy angle of coping the square brick, produces the batch plates, performs find grinding and controls the parallel. The invention solves the problem that the reworking rate is high and the rate of finished goods is low.
Owner:西安应用光学研究所

Flue gas integration removal system and method by means of gas-like phase preoxidation combining with absorption

The invention belongs to the technical field of flue gas purification, and particularly relates to a flue gas integration removal system and method by means of gas-like phase preoxidation combining with absorption. The system comprises a gas-like phase reagent generating device, a preoxidation device and an absorption tower. The removal method comprises the following steps that 1, a gas-like phase composite oxidant is prepared; 2, a preoxidation reaction is performed, wherein the gas-like phase composite oxidant is utilized to efficiently oxidize NO and Hg<0> in a gas phase; 3, an absorption reaction is performed, wherein mixed liquor of sodium humate and ammonia water serves as absorption seriflux to absorb and remove SOx, NOx and Hg<2+> in oxidation products. According to the flue gas integration removal system and method by means of gas-like phase preoxidation combining with absorption, the two-level arrangement mode of combining preoxidation with absorption is adopted to perform integration removal on multiple pollutants of coal-fired flue gas, and therefore the problems that in an existing hierarchical arrangement mode, a system is complex, the floor space is large, and the operating cost is slightly high are solved; the desulfuration, denitration and mercury removal efficiency can meet the current pollutant discharge standard, a removal product is sulphureous and nitrogenous compound fertilizer, and higher economic and environmental benefits are achieved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Adaptive rotation device for sun tracking and working method for adaptive rotation device

The invention discloses an adaptive rotation device for sun tracking and belongs to the field of sun trackers. The adaptive rotation device for sun tracking is arranged on a bracket of a solar battery pack and comprises an orientation angle rotation support and / or a height angle rotation support, wherein the orientation angle rotation support and / or the height angle rotation support comprises a turntable shell; a worm wheel is arranged in the turntable shell; at least two worms are arranged around the worm wheel; and the plurality of worms simultaneously keep engaged with the worm wheel and seamlessly and jointly drive the worm wheel to rotate at different time phase sequences and different rotation speeds in the same tendency. The adaptive rotation device for a sun tracking system is simple in structure, low in cost and long in service life, is convenient to use and can seamlessly drive the sun tracking system to perform tracking for a long time and automatically compensate gaps formed by abrasion.
Owner:SI CHUAN ZHONG SHUN SOLAR ENERGY DEV

Production method for furan resin for 3D (three dimensional) sand mould printing casting

The invention relates to a production method for furan resin and particularly relates to a production method for furan resin for 3D (three dimensional) sand mould printing casting. The production method is characterized by comprising the following steps: starting a stirrer, adding formaldehyde aqueous liquor, adding furfuryl alcohol into a reaction kettle, and regulating pH value of feed liquid by formic acid; opening a steam valve, slowly heating, timing and preserving heat; after heat preservation is ended, cooling, adding m-cresol, regulating the pH value by sodium hydroxide, heating, timing and preserving heat; after heat preservation is ended, adding furfuryl alcohol and dehydrating in vacuum; after dehydrating is ended, adding furfuryl alcohol and a modifier; opening the steam valve, slowly heating, timing and preserving the heat; after heat preservation is ended, adding furfuryl alcohol and a coupling agent while cooling to 70 DEG C, adding alkaline to regulate the pH value, and discharging after continuously stirring; and packaging and warehousing. The method disclosed by the invention is unique and capable of realizing quick hardening.
Owner:KOCEL EQUIP +1

Preparation method of solid drink with taros used as principal raw material

The invention discloses a preparation method of a solid drink with taros used as a principal raw material. The preparation method specifically comprises the steps as follows: the fresh taros are used as the principal raw material, isomaltooligosacharide and resistant starch are added into the treated raw material of taros, and finally, a powdered product is prepared through spray drying. Through implementation of the preparation method, no pigment, essence or preservative is added during preparation of the product, so that the development tendency of safety, nutrition and convenience of modern food is completely satisfied. Meanwhile, the implementation of the preparation method is high in technological efficiency, good in effect, high in raw material utilization rate, free from waste and low in nutrient loss. The prepared product is ideal in form, keeps original nutrient and functional ingredients of the taros well and is easy to digest, and a special function is enhanced; the current situation that products prepared from the taros are rare in the market currently is changed, a way for the taro products is determined, and development of related industries of the taros is promoted, so that a new economic growth point is formed, and huge economic benefit and social benefit are provided.
Owner:黄秀英

Hybrid encryption-based network transmission data security processing method

The invention discloses a network transmission data security processing method based on mixed encryption, which comprises the following steps: creating a pair of asymmetric encrypted public and private keys by a server; creating a pair of asymmetric encryption public and private keys by a client. accepting the request of the client by the server and saving the public key of the client to the background database according to the unique identification ID number, wherein the client needs to encrypt the data with symmetric key and asymmetric key to initiate the request; obtaining the request of the client to decrypt the data by the server, wherein the server needs to be encrypted with symmetric and asymmetric keys for data feedback; and decrypting the data by the client. According to the method, the data transmitted by the network are encrypted through the combination of asymmetrical encryption and symmetrical encryption, thereby realizing high safety and high reliability. The pseudo-random number generator is unique in generating process and troublesome to crack, which makes the symmetric encryption key more complex and improves the security effect. The method is unique, the design isclever and has good application prospects.
Owner:JIANGSU ETOWN DIGITAL TECH CO LTD

Method for producing biochemical humic acid through microbial fermentation of furfural residue

The invention relates to a method used for producing biochemical humic acid, and especially relates to a method used for producing biochemical humic acid through microbial fermentation of furfural residue. The method is characterized in that the method comprises the steps that: a, tower bottom wastewater in furfural production is added into furfural residue, such that water content in furfural residue is regulated; b, carbon nitrogen ratio of the furfural residue is regulated by using urea and wheat bran; bacterium powder is uniformly blended into the furfural residue, and a mass ratio of the furfural residue and the bacterium powder is controlled; the mixture is stacked into a fermentation tank, and is fermented; an alkaline solution is added to the fermented furfural residue, and the mixture is stood under normal temperature; three-stage sedimentation is carried out, such that a clarified supernatant is obtained; hydrochloric acid is added to the supernatant, such that the pH value is regulated; when humic acid is precipitated, the supernatant is filtered, and the precipitate is washed by using distilled water; the precipitate is dried in a spray drier, such that humic acid is obtained. The method provided by the invention is unique. With the method, environment pollution is reduced. According to the invention, humic acid content in furfural residue is improved through microbial fermentation, and biochemical humic acid is prepared from fermented furfural residue.
Owner:林口森豪糠醛有限责任公司

Overwintering and cold-proof method of outdoor grape

The invention relates to a cold-proof method of grape, in particular to an overwintering and cold-proof method of outdoor grape. The method is characterized by comprising the following steps of: a. preparing a polystyrene foam grain carpet; and b. paving the polystyrene foam grain carpet under an outdoor grape bracket. The method is unique, is applied to the outdoor grape in the rest period in the North China, adopts the material which is low in price, good in heat preservation, light in weight, low in water absorption, labor-saving, time-saving, and easily paved and furled for preventing late frost in winter, prevents the buds of branches of the outdoor grape in rest period from being frozen and covered, prevents the branches and tendrils of the outdoor grape in rest period from losing water, and prevents the roots of the outdoor grape from being frozen due to the temperature in the covering material.
Owner:NINGXIA UNIVERSITY

Seasoning of fish filets in hot chili oil, and preparation method thereof

The present invention discloses a seasoning of fish filets in hot chili oil, and a preparation method thereof. The preparation method comprises: cooking, wherein 2000-2500 parts of hot pepper is cooked for 20-40 min at a temperature of 90-110 DEG C; and then frying, wherein 1000-1400 parts of vegetable oil is heated to a temperature of 100-120 DEG C, 1200-1500 parts of spice, 2000-2500 parts of the cooked hot pepper, 800-1200 parts of douban, and 300-500 parts of salt are added, and frying is performed for 8-20 min so as to obtain the seasoning of the fish filets in hot chili oil.
Owner:甘丘平
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