930results about How to "Meet the needs of industrial production" patented technology

The invention provides a novel intermediate of ticagrelor or its salt. The novel intermediate is shown in the formula 5. In the formula 5, P1 represents a hydroxyl protecting group. The invention also provides a method for preparing ticagrelor from the novel intermediate shown in the formula 5. The method for preparing ticagrelor from the novel intermediate shown in the formula 5 has the advantages of simple processes, high yield and less three wastes, and can satisfy the demand of industrial production.

The invention relates to a method for extracting scandium, belonging to the field of metallurgy. The invention solves a technical problem of providing the method for extracting the scandium, which has the advantages of high scandium reclamation rate and low cost and can meet the requirement of industrial production. The method for extracting the scandium comprises the following steps: a, chloridizing a scandium-containing raw material to obtain chlorination residue; b, leaching the chlorination residue in a leaching solution to ensure that the scandium is completely dissolved in the leaching solution, and filtering the solution to obtain filtrate; c, extracting the filtrate by adopting extracting agent CA-100, namely sec-nonylphenoxy acetic acid, and separating the filtrate to obtain organic phase; d, back extracting the organic phase by adopting NaOH solution, filtering the solution to obtain Sc(OH)3 precipitate; and e, dissolving the Sc(OH)3 precipitate by using HCl solution, adding oxalic acid solution after the solution is heated and boiled, filtering the solution to obtain scandium oxalate precipitate, and calcining the scandium oxalate precipitate to obtain scandium oxide. The method provides a new option for scandium extraction, and has wide application prospect.

The invention discloses a method for interplanting toadstools with radix ophiopogonis without a cover, and aims to solve the problems that the resource waste can be caused, the production cost can be improved, the management difficulty and environment pollution can be caused and the like due to the fact that an existing adopted manual planting method for toadstools generally needs a sheltering shed. The method comprises the steps of soil preparation, radix ophiopogonis cultivation, strain surface disinfection of the toadstools and the like. According to the method, the natural shelter of the radix ophiopogonis seedlings can be used, manual high shed shelter can not be needed on fields, the fruiting performance is stable, the yield of the toadstools is high, and the quality is good; furthermore, the yield of fresh sporocarps can achieve 200kg/666.7m<2>, so that the large-scale cultivation can be carried out, and the requirements of commercial process can be met.

The invention provides a method for separating metal or semiconductive carbon nanotubes, which is characterized in that based on the metal or semiconductive carbon nanotube absorption properties and enriching effect of a separating medium, a semiconductive or metal carbon nanotube enriched area is formed in a simple, convenient, quick and low-cost mode of combining electrophoresis so as to realize the separation of the metal or semiconductive carbon nanotubes. The separating medium is an inorganic or organic macromolecule elastic gel. The temperature of the electrophoresis is between 15DEG C and 30DEG C. The power supply of the electrophoresis is a direct current power supply of 10v-250v. In the method, a separation medium is used to separate the carbon nanotubes, a sample of separated carbon nanotubes is kept in a stable state which is favorable for refined separation and sample recovery, the separation and yield of carbon nanotubes can be realized easily, and the needs for industrial products can be met.

The invention discloses a heat-resistant corrosion-resistant rubber tube, and relates to the technical field of manufacturing of the rubber tube. The heat-resistant corrosion-resistant rubber tube comprises a rubber tube body, wherein the rubber tub body comprises an inner rubber layer, a cord fabric layer, a middle rubber layer, a coppered steel wire woven layer and an outer rubber layer which are arranged from inside to outside in sequence; the inner rubber layer is a fluorine rubber layer; the middle rubber layer and the outer rubber layer are both butadiene styrene rubber layers; the inner rubber layer, the cord fabric layer, the middle rubber layer and the coppered steel wire woven layer and the outer rubber layer are connected in a vulcanized manner. Compared with the prior art, the heat-resistant corrosion-resistant rubber tube has the advantages that the heat resistance and the corrosion resistance are greatly improved and the requirement on delivery of high-temperature gas or liquid with certain corrosiveness is met.

The invention relates to a three-dimensional cup model obtaining method based on three-dimensional chest shapes. The method is characterized by comprising the steps that basic three-dimensional chest shape models are obtained; three-dimensional chest shape shaping models are obtained; three-dimensional intermediate body models are built, three-dimensional coordinates of a human body are extracted, the mean value of the sample coordinates is worked out, and an intermediate body characteristic matrix and a three-dimensional intermediate body model are built; a three-dimensional cup model is obtained. Due to utilization of the three-dimensional cup model obtaining method, the three-dimension cup model is designed and extracted based on ideal three-dimensional chest shapes to ensure that the capacity of a cup is matched with chest shapes and the cup can more fit the chest shapes, and the fitness and the comfort of brassieres are improved; three-dimensional chest shapes are directly converted to the cup model, and therefore design cost is reduced, working efficiency is improved, theoretical foundation for brassiere paper pattern design is provided, and the technical problem that a brassiere cup is poor in fitness is solved. The three-dimensional cup model obtaining method covers a large number of data on human bodies and ensures that the extracted brassiere cup can meet requirements of the crowd to the maximum degree, and meet industrial production requirements.

The invention discloses a nano-silver sol and a preparation and purification method thereof. The stable nano-silver sol is formed through the steps that silver salt, protective agents and cosolvent are used, water serves as a solvent, the silver salt solution and the protective agent water solution are mixed, a certain amount of reducing agents are added to carry out reduction, an initial nano-silver sol is obtained, and the nano-silver sol with needed concentration is obtained through pH value adjustment, sedimentation, separation, washing and redissolution. The nano-silver sol is characterized in that nano-silver particles are controllable in size and even in distribution, and the concentration of the sol is adjustable. According to the nano-silver sol and the preparation and purification method thereof, the adjustment of the pH value is used for purifying the nano-silver sol for the first time, the purification is simply carried out through the pH value adjustment, the sedimentation, the separation, the washing and other steps, and the nano-silver sol has the advantages of being few in harmful impurity and environmentally friendly. The preparation and purification method for the nano-silver sol has the advantages of being low in cost, simple in technology and capable of being applied to mass production.

The invention discloses a room-temperature self repairing type thermoplastic polymer material based on a multi-layer microcapsule and a preparation method thereof. The thermoplastic polymer material comprises the following components in parts by weight: 70-95 parts of thermoplastic polymer base and 5-30 parts of filled multi-layer microcapsule for self repairing. The multi-layer microcapsule in the self repairing polymer material is a multifunctional intelligent multi-layer microcapsule combining a repairing agent and a catalyst. When a crack is generated in the base, the crack causes the capsule wall of the multi-layer microcapsule to crack together with the base, the liquid repairing agent at the capsule core part is released to be in contact with the catalyst on the middle capsule wall so as to initiate polymerization reaction at room temperature, and a generated new polymer bonds the cracked surfaces, thus preventing the propagation of the crack and repairing the crack. The multi-layer microcapsule used by the invention has moderate mechanical strength and favorable heat stability, and can endure the common thermal forming and processing technology of the thermoplastic material.

The invention provides a modified coding gene of xylanase that has high activity in the condition of high temperature and strong alkali, a recombinant plasmid thereof, a yeast recombination genetic engineering strain containing the gene and a preparation method of the gene. Compared with the original xylanase, the modified xylanase is mutated into cysteine from glycin of the 201 site of amino acid sequence of the original xylanase; and the modified xylanase has higher heat stability, after being processed for 10 minutes at the temperature of 75 DEG C, the residual activity of the modified xylanase reaches 80 percent, while that of the original xylanase is only 15 percent. The activity of the modified xylanase is 1.5 to 2 times of that of the original xylanase at the environment with high temperature and strong alkali and can decompose xylan for a long time at high temperature. The invention also provides the Pichia pastoris yeast recombination genetic engineering strain containing the modified gene. The modified xylanase can be widely applied to industries of paper making, feedstuff and food.

The invention discloses a novel method for preparing abiraterone acetate. The method comprises the following steps of: hydroxyl protection, Aldol reaction, dehydration reaction, deprotection and acetylation. According to the method, the heavy-metal reagent, the strict anhydrous and anaerobic equipment and the expensive alkyl boron reagent are not used, thus the cost is reduced greatly. The method is suitable for mass industrial production.

The invention relates to an environment-friendly production process of 2-naphthol. The environment-friendly production process of the 2-naphthol comprises the following steps: adding refined naphthalene into a sulfonation kettle, adding concentrated sulfuric acid, heating and performing sulfonation reaction, neutralizing a mixture by using alkali after the reaction is finished, crystallizing, filtering, drying, performing alkali fusion and diluting; neutralizing the diluted alkali fused sulfonation liquid by using sulfuric acid at 70 to 80 DEG C, controlling the pH to be 4 to 7, standing and layering, and separating out crude 2-naphthol; washing, dehydrating and rectifying the separated crude 2-naphthol to obtain refined 2-naphthol; and removing alkali from the separated waste liquid, neutralizing to serve as alkaline liquid, absorbing sulfur dioxide generated by neutralization by using a sodium carbonate aqueous solution to produce sodium sulfite, adjusting the pH value of the waste liquid after 2-sodium naphthalene sulfonate is separated to be 2+/-1, performing three-stage extraction by using an extracting agent, performing reverse extraction on the extracting liquid by using dilute alkali, diluting sulfonated liquid by using the reverse extraction liquid, oxidizing the water phase by using a Fenton reagent or KMnO4, decoloring by using active carbon, and recovering sodium sulfate by a mechanical vapor recompression (MVR) concentration technology. By the process provided by the invention, no waste water is discharged basically and the production cost is reduced.

The invention discloses a multilevel model cloth defect detection method and system. The method is achieved through the steps of establishing a presort model Model 1, a convolutional neural network model FabricNet and a final classification model Model 2; collecting cloth images, segmenting the cloth images to obtain ROI images, calculating out GLCM feature values of the ROI images to form a feature vector V1; inputting the V1 into the Model 1 to judge whether the ROI images are defect images, inputting the defect images into the FabricNet if the ROI images are the defect images, and obtaining a texture feature vector V2; obtaining judgment results of the ROI images if the ROI images are not defect images; inputting the V2 into the Model2 to obtain defect classification results of the defect images; finally obtaining defect detection results of the cloth images. As the method disclosed by the invention utilizes the three models of the Model 1, the FabricNet and the Model 2, accuracy and real timeliness of cloth defect detection are improved, and the requirement of industrial production is met.

The invention provides an infrared heat thermal imaging movement calibration device and a method for infrared heat thermal imaging movement calibration via use of the device. The device comprises a temperature adjustable black body, an adjustable thermotank, an XY displacement motor platform and an infrared thermal imaging movement to be calibrated; the method comprises the following steps: focal plane substrate operating temperature T* is divided, temperature in the adjustable thermotank is adjusted to a starting temperature point of the divided temperature, corresponding focal plane substrate operating temperature at this time is recorded, parameters including a gain correction coefficient G and an imbalance correction coefficient O are calculated and stored, environment temperature S is divided, temperature of the black body is adjusted to different temperature points of the divided temperature from a low level to a high level, the parameter of the imbalance correction coefficient O at different environment temperature is calculated and stored, and temperature of the thermotank is changed; the parameters G and O at next focal plane substrate operating temperature and the parameter O at the different environment temperature are measured; via the calibration device and the calibration method therefor, a baffle plate can be successfully removed, system stability can be increased, a plurality of detectors can be corrected, and requirements for industrialization detection and correction can be met.

The invention relates to a polyaniline/polyacrylonitrile elastic composite conductive fiber and a preparation method thereof. The polyaniline/polyacrylonitrile elastic composite conductive fiber comprises a skin layer and a core layer, wherein the skin layer consists of organicsulfonate of polyaniline and polyacrylonitrile; in fiber weight, the organicsulfonate of the polyaniline is 1-40 percent, and the polyacrylonitrile is 60-99 percent; the core layer contains elastic polyurethane fibers; the weight ratio of the skin layer to the core layer is (1-40):(60-99).

The invention discloses a deep learning-based method for positioning and recognizing medical label barcodes. Through the method, the problem that the barcode positioning is difficult under complicatedcircumstances of uneven illumination, twist deformation and the like is solved; and on the basis, the problem of correcting linear distorted two-dimensional barcodes is solved, the barcode position can be effectively positioned under the complicated circumstances and distortion correction and detail processing are carried out to obtain a high-quality barcode binary image and realize accurate reading. Identified objects in the method disclosed by the invention comprise Data Matrix two-dimensional codes, commodity barcodes (EAN (European Article Number)-13 codes) and drug electronic supervisioncodes (Code-128 codes).

The invention provides a novel method for producing propylene and ethylene through catalytic cracking of olefins, which comprises the steps of: taking C4-C12 olefins as raw materials; and performing acatalytic cracking reaction of the olefins on the raw materials through a catalyst bed to generate the propylene and the ethylene under the conditions that the reaction temperature is between 450 and650 DEG C, the reaction pressure is between 0 and 0.3MPa, the weight space velocity of the olefins is between 1 and 14 h<-1>, and the weight ratio of water to the olefins is 0.1-10, wherein a catalyst comprises a ZSM-5 molecular sieve, an adhesive and a phosphorus element supported on the catalyst, the silicon-aluminum molar ratio SiO2/Al2O3 of the ZSM-5 molecular sieve is 10-300, and the grain diameter of crystal grains of the ZSM-5 molecular sieve is between 10 and 800nm. The method has longer reaction operation time while maintaining the high yield of the propylene and the ethylene, and can be used for industrialized production.

The invention discloses a processing method for feather albumen powder and relates to the technical field of albumen powder processing. The feather albumen powder is prepared according to the following steps: washing poultry feather with water, cleaning and then cooking with water; freezing; thawing; crushing under partial freezing state; performing enzymolysis; drying; crushing and sieving. According to the method of repeatedly cooking with water, freezing and then performing enzymolysis provided by the invention, the macromolecule albumen in the feather is converted into micro-molecule polypeptide; freezing is performed after water cooking, so that the interior structure of the feather is loosened; after enzymolysis, the albumen powder contains various amino acid ingredients; the digestibility of the obtained albumen powder is high; the albumen powder is fit for the processing of the feather albumen powder produced by adopting the feather of poultry including chicken, duck, goose and the like; the processing method provided by the invention has the advantages that the technique is simple, the equipment is simple and the industrial production requirement can be met.

The invention discloses an industrial security isolation gateway. The gateway comprises an external network receiving module, an internal network receiving module and an isolation ferry module. The external network receiving module and the internal network receiving module are two independent control systems. Each of the modules comprises an operation module, a storage module and a logic circuit module. Data transmission is carried out between the external network receiving module and the internal network receiving module through the isolation ferry module. The transmission process comprises protocol stripping, verification, encryption, decryption and storage processes, and the external network receiving module comprises a network receiving module, an information authentication module, a firewall module, an information filtering module and an anti-virus module. According to the invention, data security isolation between an industrial network and an information network can be realized,the reliability is improved by combining physical isolation and logic isolation, the functions of data encryption, virus prevention, network firewall, user authentication, intrusion prevention and thelike are supported, and the safe and stable operation of an industrial control system can be ensured.