Patents
Literature

115results about How to "The operation process is simple and convenient" patented technology

Adipose transplantation material containing highly concentrated adipose-derived stem cells and extracellular matrix, and pure physical preparation method and application thereof

The invention discloses an adipose transplantation material containing highly concentrated adipose-derived stem cells and an extracellular matrix (ECM), and a pure physical preparation method and an application thereof; with application of a fluid vortex principle, most of mature adipocytes in an adipose tissue are broken; at the same time, with application of a flocculation sedimentation technology, oil droplets generated from breaking the adipocytes are gathered and removed. A series of mechanical processing processes are adopted, the pure physical means is adopted, and no any exogenous substances are added. The multiple physical methods are used for removing the mature adipocytes and grease affecting the tissue retention rate after transplantation. In a prepared SVF-gel, the adipose-derived stem cells and endothelial progenitor cells are highly concentrated; the concentrated stromal vascular fraction cells (SVFs) still adhere on the ECM, the number of stem cells fix-planted in local after transplantation is far greater than the ordinary adipose transplantation number; as a stem cell therapy method, the adipose transplantation material has better long-term curative effect.
Owner:鲁峰

Natural sericin encapsulated mesoporous silicon nano-carrier and preparation method and application thereof

The invention relates to a natural sericin encapsulated mesoporous silicon nano-carrier and a preparation method and application thereof to the field of tumor treatment. The preparation method comprises the steps of preparing pure sericin solids; preparing mesoporous silicon nano-particles; preparing aminated, formylated or dual-sulfurated mesoporous silicon nano-particles with regular pore passage; preparing drug-loaded aminated, formylated or dual-sulfurated mesoporous silicon nano-particles; preparing a pH/protease or reduction/protease dual-responsiveness sericin/mesoporous silicon composite multifunctional control system. The natural sericin encapsulated mesoporous silicon nano-carrier and the preparation method and the application thereof have the advantages that the operation is simple to perform, the raw materials are simple and convenient to obtain, the cost is low, the universal applicability is high, no special complex equipment is needed and the like. The nano composite system prepared by adopting the method fully utilizes the characteristics of the sericin on the outer layer and the mesoporous silicon nano-particles on the inner layer, has pH/protease or reduction/protease dual responsiveness, has multiple functions of inhibiting tumor cells, monitoring nano-particle positioning and drug release in real time and the like, is high is drug loading capacity, is good in biocompatibility and has a wide application prospect in the field of tumor diagnosis and treatment, especially in the aspect of solving multi-drug resistance of tumors.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Preparation method of pure coenzyme Q10 product

The invention relates to a preparation method of a pure coenzyme Q10 product. The method comprises the following steps: carrying out ceramic membrane microfiltration and spray drying on a coenzyme Q10 fermentation liquid to obtain a crude product, extracting the crude product with acetone, carrying out phase separation and reduced pressure concentration on the obtained extract liquid to obtain a coenzyme Q10 extract concentrate, extracting the coenzyme Q10 extract concentrate with petroleum ether, carrying out silica gel column chromatography, carrying out reduced pressure distillation concentration on the above obtained eluate, adding coenzyme Q10 crystal seeds to crystallize the obtained eluate concentrate, and carrying out reduced pressure drying to obtain the pure coenzyme Q10. Mycelia are crushed through ceramic membrane microfiltration and spray drying, acetone refluxing extraction and ceramic membrane filter separation are carried out to realize wall breaking and separation of mycelium cells, and the coenzyme Q10 is enriched, so the method increases the extraction yield by 7% or more, and facilitates the increase of the economic benefit; the method is simple, and is suitable for industrial production; and the method reduces the wastewater discharge amount, and facilitates environmental protection treatment.
Owner:NINGXIA TAISHENG BIOTECH CO LTD

Surface modification treatment method combining pre-oxidizing, ion nitriding and ion oxynitriding

The invention relates to a surface modification treatment method combining pre-oxidizing, ion nitriding and ion oxynitriding. The method comprises the steps of machining and cutting original steel for forming a sample; carrying out hardening and tempering on the sample, ultrasonically cleaning the polished sample in organic solutions and drying the sample; placing the sample in an ion nitriding furnace, vacuumizing the furnace, guiding hydrogen gas into the furnace for sputtering, sequentially carrying out the three surface treatment steps of pre-oxidizing, ion nitriding and ion oxynitriding and then cooling the sample to the indoor temperature along with the furnace. The method has the beneficial effects that an oxidation film is formed on the surface layer of the sample at the first stage; the oxidation film is gradually reduced by the hydrogen gas because the air is stopped at the second stage, then a loose and porous diffusion path is formed, and the catalytic effect of pre-oxidizing is realized; at the third stage, because the oxidation film is reduced at the second stage, the air is input again for realizing the catalytic effect of oxynitriding; the operation process is simple, convenient and fast, the nitriding rate and the thickness of nitridedlayers can be increased greatly in a short time, the efficiency is high, and the energy is saved.
Owner:CHANGZHOU UNIV

Method for generating program logic, terminal device, and storage medium

The invention discloses a method for generating program logic. The method comprises the following steps: in response to the selection operation of an object on a pre-configured object editing interface by a user, an editing area of an event triggered by a selected object is generated on an event configuration panel; the editing area of an event triggered by a selected object is generated on an event configuration panel, wherein the editing area includes a condition input area, a target input area and an action input area; a trigger condition of the event, a target execution function of the target object and a target execution function of the target object are determined within a corresponding input region in response to an operation of the user on the condition input region, the target input region, and the action input region, respectively, according to the operation; generating a program logic description file according to the configured event configuration panel and the object editing interface. The invention also discloses a terminal device and a storage medium, which can solve the problems of development difficulty and complex flow, improve the development efficiency, and enable the user to develop the program and the application without acquainting with the code.
Owner:孟智平

Preparation method of regenerated silk fibroin membrane

The invention discloses a preparation method of a regenerated silk fibroin membrane. The method comprises the following steps: shearing Thai silk cocoons, then putting the sheared Thai silk cocoons into a sodium hydrogen carbonate solution for carrying out degumming treatment, washing and drying the Thai silk cocoons subjected to degumming treatment; putting the degummed and dried Thai silk into a calcium chloride-formic acid solution, and quickly dissolving the Thai silk to form a silk fibroin solution; and drying the filtered silk fibroin solution to obtain the regenerated silk fibroin membrane. Through the method, the complicated process of preparing the membrane in a conventional method can be avoided; the treatment difficulty of organic wastewater formed after production can be reduced; the method is developed towards an environment-friendly direction; the smooth, water-insoluble and high-heat-stability silk membrane can be prepared by adjusting the concentration of calcium chloride. The regenerated silk fibroin membrane is high in biocompatibility and different in transparency, smooth flatness, water solubility and heat stability; through flexible regulation of the regenerated silk fibroin membrane according to the performance needed for the product, the regenerated silk fibroin membrane can be better applied to chemical, pharmaceutical and food industries.
Owner:NANJING NORMAL UNIVERSITY

Intelligent dish washing machine for visual recognition and control method of intelligent dish washing machine for visual recognition

PendingCN108042073AThe operation process is simple and convenientReduce the burden of manual dishwashingAutomatic washing/rinsing machine detectionManual washing/rinsing machines inputManipulatorEngineering
The invention discloses an intelligent dish washing machine for visual recognition and a control method of the intelligent dish washing machine for visual recognition. The intelligent dish washing machine comprises a dish washing machine body structure, a dish washing machine mechanical arm structure, a dish washing machine washing structure and a controller. The dish washing machine mechanical arm structure and the dish washing machine washing structure are both mounted on the dish washing machine body structure. The controller is used for driving the dish washing machine mechanical arm structure to clamp tableware to a washing area of the dish washing machine body structure, used for driving the dish washing machine washing structure to wash the tableware, used for driving the dish washing machine mechanical arm structure to sequentially clamp the tableware to a clean water area of the dish washing machine body structure and a bowl placement board according to recognition results, obtained by the dish washing machine washing structure, of dirt on the tableware. The whole operating process is quite simple and convenient, manual dish washing burden is relieved, and the tableware can be washed as clean as those washed manually.
Owner:KUNMING UNIV OF SCI & TECH

Easy-to-plug waterproof fiber optic connector

The present invention relates to an easy-to-plug waterproof fiber optic connector, comprising an adapter assembly and a connector assembly, is characterized in that the adapter assembly comprises an adapter cylinder, wherein a front chamber and a rear chamber are respectively arranged inside the adapter cylinder, and a inscribed cylinder is arranged in the front chamber, a claw is arranged betweenthe inscribed cylinder and the inner wall of the adapter cylinder, a hook is arranged in the rear chamber, a nesting is arranged at rear end of an inner bore of the inscribed cylinder, and the nesting extends to the rear chamber, a ceramic sleeve is provided inside the nesting; and the connector assembly comprises a connector cylinder, wherein sealing rings configured for the inner bore of frontchamber of the adapter cylinder are disposed on front periphery of the connector cylinder, an elastic jacket is sleeved onto the middle front portion of the connector cylinder, a card slot configuredfor the adapter claw is arranged on outer periphery of the connector cylinder in the elastic jacket, a ferrule assembly is arranged in the inner bore of the connector cylinder, and front end of the ferrule assembly and the inner bore of front portion of the adapter cylinder are configured with each other. The fiber optic connector not only has compact structure, reasonable setting, good waterproofperformance, but also is easy to plug and has reliable connection.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD

Drilling machine with clamping function for bearing machining

The invention discloses a drilling machine with the clamping function for bearing machining. The drilling machine comprises a placing plate, a supporting rod is arranged at the upper end of the placing plate and is L-shaped, the lower end of a vertical rod body of the supporting rod is connected to the placing plate in a welded mode, and a transverse rod is welded to the lower end of a horizontalrod body of the supporting rod; a hydraulic rod is connected to the lower end of the transverse rod, a second motor is arranged at the lower end of the hydraulic rod through a screw, a drill bit is arranged at the output end of the second motor, and a movable plate is placed at the upper end of the placing plate. The drilling machine has the advantages that in the using process, a bearing to be machined is placed between a first baffle and a second baffle, a first screw rod is rotated through a handle and drives the second baffle to move, so that the bearing can be clamped through the first baffle and the second baffle, in the machining process, a first motor is rotated, so that the transverse movement of the bearing can be realized, the hydraulic rod can be moved on the transverse rod, the machining position of the bearing can be changed in the longitudinal direction, and therefore the practicability of the drilling machine can be improved.
Owner:ANHUI ZHILIANG INVESTMENT GRP

Quantitative detection method for adhesiveness of asphalt and aggregate

The invention relates to a quantitative detection method for the adhesiveness of asphalt and aggregate. The method comprises the following steps that: A: selecting five pieces of regular aggregate ofwhich the particle size is 13.2-19mm, cleaning, drying and weighing the aggregate, dipping the aggregate into preheated asphalt (a drying oven at a temperature of 160DEG C to be kept warm for 2.5h), and quickly stirring the aggregate to enable the asphalt on the surfaces of stones to be evenly coated; B: taking out the stone coated with the asphalt, cooling to the room temperature, weighing the stone, putting in a clean glass bottle, and weighing the total mass; C: filling the glass bottle with water, sealing the bottle glass, putting in a 90-DEG C constant temperature water bath box to be heated for 1 h, and taking out the glass bottle; D: pouring out mixed liquid in the bottle, drying, weighing the total mass of the stone subjected to the water bath and the stone; and E: according to a mass change before and after the water bath, calculating the quality loss rate of the asphalt on the surface of the stone, and judging an adhesiveness level. The method is clear in conditions and simple in operation, through a quantitative method, the adhesiveness between the asphalt and the aggregate is detected, and the influence of subjective human factors is avoided.
Owner:SOUTHEAST UNIV +1

Structure and method for preventing reinforcing steel from being corroded in highly-corrosive environment

The invention relates to the field of civil engineering, in particular to a structure and a method for preventing reinforcing steel from being corroded in a highly-corrosive environment. The method for preventing the reinforcing steel from being corroded in the highly-corrosive environment comprises the following steps: wrapping exposed reinforcing steel with a plastic thin film, and performing winding and sealing to form a first protective layer by adopting an adhesive tape; sleeving the wrapped exposed reinforcing steel with a sleeve of which the diameter is matched with that of the exposed reinforcing steel to form a second protective layer; sealing the top of the sleeve by virtue of a sealing cover; sealing a gap between the sleeve and a concrete structure by virtue of mortar. According to the structure and the method, the two protective layers are provided for the exposed reinforcing steel, an operation process is convenient, sealing effects are reliable, and anticorrosive effects are prominent; compared with a conventional process for smearing the reinforcing steel with cement slurry to isolate the corrosive environment, the method has the advantages that a cumbersome process of removing the cement slurry in a later period is eliminated, damage to an exposed screw head rolled with a straight thread on the reinforcing steel is avoided, the reinforcing steel is prevented from being polluted by pollutants in an offshore highly-corrosive environment, and influence on the bonding strength of concrete in the later period is eliminated.
Owner:NO 1 ENG COMPANY CO LTD OF CCCC FIRST HARBOR ENG COMPANY +1

Platinum-palladium-platinum/manganese dioxide/graphene laminated catalyst and preparation method therefor

The invention discloses a platinum-palladium-platinum/manganese dioxide/graphene laminated catalyst and a preparation method therefor. The main process of the method comprises the following steps: firstly preparing an oxidized graphene (GO) solution as a carrier and a reducing agent, and obtaining a manganese dioxide doped oxidized graphene compound (MnO2/GO) after oxidation of potassium permanganate; then adopting cyclic voltammetry to electrochemically reduce the MnO2/GO so as to prepare a manganese dioxide/graphene modified electrode (MnO2/G); and soaking the MnO2/G modified electrode in chloroplatinic acid, palladium chloride and chloroplatinic acid solutions in sequence to perform cyclic voltammetry scanning, and electrochemically depositing platinum, palladium and platinum nanoparticles so as to obtain the platinum-palladium-platinum/manganese dioxide/graphene laminated catalyst (PtPdPt/MnO2/G) of a sandwich structure. The catalyst has the advantages that the experiment is simple and practicable; no other poisonous reagent or surface active agent is used in the experimental process, and the process is environment-friendly and healthy; the size and thickness of the catalyst can be adjusted and controlled through the concentration of a deposition fluid and scanning parameters; and the obtained catalyst is excellent in catalytic performance and stability for methanol oxidation.
Owner:QINGDAO UNIV

Resin coating and curing device for production of glass fiber board

The invention discloses a resin coating and curing device for production of a glass fiber board. The resin coating and curing device comprises a glass fiber cloth roll material conveying roller, a coating box and a curing furnace, wherein the glass fiber cloth roll material conveying roller is arranged at an input end; a guide roller is arranged on the left side of the roll material conveying roller; the coating box is arranged on the left side of the guide roller; a feeding hole is formed in the top of the coating box; a coating roller is arranged in the coating box; a regulating roller is arranged on the left side of the coating box; a receiving box is arranged at the lower end of the regulating roller; the bottom of the receiving box is communicated with the sidewall of the coating box by a pipeline; the curing furnace is arranged on the left side of the regulating roller; a plurality of supporting rollers are arranged in the curing furnace and are connected with a conveying belt in a driving manner; the conveying belt is driven by conveying rollers arranged at the two ends of the curing furnace; the upper end of the curing furnace is connected with a heating air blowing device; the side end of the curing furnace is connected with an air absorbing purifying device. The resin coating and curing device disclosed by the invention is reasonable in structural design and can be used for conveniently and rapidly controlling the thickness of the glass fiber board and also ensuring that the content of volatile matter in the curing furnace is not too high.
Owner:SUQIAN TIANCAI GLASS FIBER
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products