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191results about How to "Environment-friendly" patented technology

Sound control for changing light color of LED illumination device

A LED (light emitting diode) illumination device includes a ceramic substrate to integrate a plurality of LED dies and a control circuit together so that a volume of the LED illumination device can be reduced and the heat dissipation of the LED illumination device can be enhanced. The LED illumination device utilizes sound control to change the light emitted from each LED die, so that the illuminating light mixed from the emitting light of the LED dies of the LED illumination device can vary in color and brightness according to the tempo and volume of music, for example, to provide more cheerful and joyful feeling.
Owner:CHOU PETER

Graphene-magnesium seawater battery device

ActiveCN106898764ALong-term stable independent power supplyEasy to useCell electrodesImmersion cellsEngineeringOxygen
The invention belongs to the technical field of seawater battery equipment, and in particular relates to a graphene-magnesium seawater battery device. The graphene-magnesium seawater battery device consist of 1 to n groups of graphene-magnesium seawater battery units; the main body structure of each graphene-magnesium seawater battery unit comprises a shell, an upper part water-permeable hole, a bottom water-permeable hole, a convex cone, a magnesium alloy anode polar plate, a negative pole binding post, a graphene composite cathode polar plate, a positive pole binding post, an ion conducting plate grid, an inner seal cover, a binding post through hole, an outer seal cover, a lead hole, a voltage-resistant area, a negative pole output lead and a positive pole output lead; based on the technical principle of a fuel battery, the anode material adopts high-potential and inert AZ31 magnesium alloy, the cathode adopts a graphene composite material with high electrical conductivity and prominent catalytic reduction efficiency on seawater dissolved oxygen, and a seawater solution with dissolved oxygen more than or equal to 5 ppm and sodium chloride more than or equal to 3.5 percent serves as electrolyte; the graphene-magnesium seawater battery device is simple in structure, scientific and reasonable in principle, high in operability, low in cost, friendly in using environment, safe, environmentally friendly, high in popularization value, and easy to popularize and use.
Owner:QINGDAO HUAGAO GRAPHENE CORP LTD

Gas cutting early stage monitoring method

InactiveCN105298472ATroubleshooting Annular Fluid Pressure IssuesReduce manufacturing costSurveyConstructionsWell loggingEngineering
The invention belongs to the technical field of monitoring methods, and relates to a gas cutting early stage monitoring method. The method is implemented through a gas cutting early stage monitoring device. A lower pressure meter and an upper pressure meter are installed on an underground drill rod according to a set interval, the annulus fluid pressure at the positions where the lower pressure meter and the upper pressure meter are located is measured and the annulus fluid density is further calculated. The installation distance between the lower pressure meter and the upper pressure meter can be adjusted, and the problem that the annulus fluid pressure between two close distance points cannot be measured due to the low underground fluid density is solved. The method does not depend on well logging during drilling equipment, production cost is lowered, applicability is improved, underground gas cutting is monitored through a conventional MWD or EMWD or ATWD in the oil and natural gas drilling process, and the purposes of early discovery, timely coping, avoiding of property and personnel losses are achieved. The technological process is simple, the principle is scientific and reasonable, operation is convenient, practicability is good, the using environment is friendly, universality is high, and the method is safe, reliable and easy to apply and popularize.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Intelligent traffic device for assisting blind person in going out

The invention belongs to the technical field of intelligent traffic equipment, and particularly relates to an intelligent traffic device for assisting a blind person in going out. A main body structure comprises an intelligent bracelet, a sensor, a dial plate; the intelligent bracelet, the sensor and various functional units of a traffic signal machine can operate independently, can also be linkedto run and do not influence with one another, and even if one functional unit is damaged, use of other functional units is not affected or constrained. The intelligent bracelet reminds the blind person to effectively pass through an intersection through vibration according to information of the sensor, the situation that traffic accidents are caused when voice reminding is influenced by noise andcannot be normally heard is avoided, drivers of vehicles passing through the intersection can be reminded to give way to the blind person while the blind person is reminded, the situation that the blind person cannot go normally according to pedestrian traffic lights and jaywalks and accordingly traffic accidents are caused is effectively avoided, the personal and property safety of traffic participants is improved, and great economic and social benefits are achieved.
Owner:QINGDAO ZHIHUICHENGSHI IND DEV

Sail-equipped amphibious aerostat or dirigible

A highly maneuverable craft or airship with aerostatic lift which may be manned or operated autonomously and remotely consists, in particular, a sail or similar device for main propulsion; the aerostat or dirigible sustains lift from gasbags containing helium or hydrogen or other similar lighter-than-air gas. Further, said aerostat may be mounted with a wind turbine for electrical power generation and mechanical operation; and, ballast tanks and landing gear to enable amphibious capability.
Owner:SARMIENTO JOSEPH NILO

Mobile type goods automatic vending device

The invention belongs to the technical field of automatic vending equipment, and relates to a mobile type goods automatic vending device. A body structure comprises a solar canopy, a presenting window, a goods discharge bin, a wind power generator, a display screen, a control panel, a veering rod, a motor wheel, a gear, an outer cylinder, an inner rod, a bearing, a stop bolt, a vending machine body, a goods storage bin, a camera, a payment window, a password lock, a support, a connecting shaft, a damping spring, a motor, a storage battery and an LED lamp, according to requirements and instructions, the mobile type goods automatic vending device is moved to a set site for vending and goods supplement, the curiosity of customers is attracted, the vending site is flexible, more crowds are satisfied, the investment amount of the automatic vending machine is reduced at the same time, through commodity information and advertisement information played by the display screen, the sales volume and advertisement income can be increased, and through the complementary power generation of solar energy and wind energy, electricity support is provided for operation and movement of the automatic vending machine. The mobile type goods automatic vending device is simple in structure, scientific and reliable in principle, small in operation capital, safe in performance, environmentally friendly and friendly in using environment, and saves energy.
Owner:QINGDAO HECHENG INTPROP CO LTD

Internet-of-things intelligent traffic law violation management device

The invention belongs to the intelligent traffic management technical field and relates to an Internet-of-things intelligent traffic law violation management device. The main body structure of the Internet-of-things intelligent traffic law violation management device comprises a video monitoring unit, a speed detection unit, a law violation management unit, an information editing and broadcasting unit, a storage unit, an information distribution unit and a voice broadcasting unit, wherein each unit has independent unit functions, and the units are in electric information communication with one another so as to form the Internet-of-things intelligent traffic law violation management device used for managing traffic law violation behaviors. The management method of the Internet-of-things intelligent traffic law violation management device includes the steps of law violation information acquisition, law violation information processing, law violation information editing and broadcasting and law violation information distribution. According to the Internet-of-things intelligent traffic law violation management device, law violation behaviors of traffic participants can be processed intelligently and distributed timely based on the functions of the Internet of things, and the occurrence rate of traffic law violation behaviors and traffic accidents can be decreased, and the smoothness of traffic intersections can be improved, and intelligent management of traffic accident prevention can be realized. The Internet-of-things intelligent traffic law violation management device has the advantages of simple structure, scientific and reliable principle, easiness in operation and control, excellent warning and intimidating effects, friendly use environment and wide application prospect.
Owner:QINGDAO WACOSOFT TECH

Image display method

An image display method including following steps is provided. A backlight of a display panel is adaptively adjusted according to a backlight adjustment factor related to the intensity value of an external light and the brightness of an original image. Brightness factors of the original image are corrected according to the adjustment of the backlight, and the original image is reset by using the corrected brightness factors and original color factors. Thereby, the problem of image distortion caused by backlight adjustment can be reduced.
Owner:WINTEK CORP

Radioactive organic waste treatment device

The invention belongs to the technical field of radioactive substance treatment equipment and relates to a radioactive organic waste treatment device. A main body structure comprises a waste temporary storage tank, a catalytic degradation kettle, a solid waste collector, a separation tower, a thermal oxidation device, a tail gas processor, an air filter and a discharging pipe, the catalytic degradation kettle and the separation tower are in bidirectional fixed connection through a pipe, the waste temporary storage tank is fixedly connected with the catalytic degradation kettle through a pipe, the separation tower is fixedly connected with the thermal oxidation device through a pipe, the thermal oxidation device is fixedly connected with the tail gas processor through a pipe, the tail gas processor is fixedly connected with the air filter through a pipe, the air filter is fixedly connected with one end of the discharging pipe through a pipe, the other end of the discharging pipe is directly communicated with the atmospheric environment, the catalytic degradation kettle, the thermal oxidation device, the tail gas processor and the air filter are fixedly connected with the solid waste collector through pipes, and organic ingredients in radioactive organic waste are converted into inorganic ingredients according to the catalytic cracking principle. The radioactive organic waste treatment device is simple in structure, scientific and reliable in principle, reasonable in cost, safe in performance, capable of saving energy and protecting the environment and environmentally friendly in use.
Owner:青岛天和清原科技有限公司

Method and device for storing and reading data

The invention discloses a method and device for storing and reading data. The method and device are used for solving the technical problem that the data storing process is complicated. The data storing method comprises the steps of receiving first data which are of a first format, to be written in and sent by an application layer; acquiring the first mapping relation between the data of the first format and the data of a second format, wherein the second format is a KeyValue format, and the first mapping relation is used for representing the line attribute and column attribute of each Value obtained through conversion of the data of the first format; converting the format of the first data into the second format according to the first mapping relation, so that second data are obtained; storing the second data.
Owner:HUAWEI CLOUD COMPUTING TECH CO LTD

Rigid-flexible composite waterproof and leakage-plugging emulsion for underground facility

The invention belongs to the technical field of waterproof and leakage-plugging construction and relates to a rigid-flexible composite waterproof and leakage-plugging emulsion for underground facilities. The emulsion includes two components comprising a compound adhesive waterproof emulsion and a dry powder compound sand material with a weight ratio being 1:1. Components of the compound adhesive waterproof emulsion include, by weight, 40-60% of a polyethylene resin liquid, 20-40% of a vinyl acetate-ethene copolymerization emulsion, 2-4% of a methyl cellulose liquid, 3-5% of a water-soluble organosilicon, 11-14% of a polyvinyl alcohol rubber powder liquid and 0.01-0.03% of an antifoaming agent. Components of the dry powder compound sand material include, by weight, 30-40% of Portland cement, 35-40% of quartz sand, 4-6% of a dispersible rubber powder, 3-5% of a polyvinyl alcohol dry rubber powder, 0.5-2% of propyl cellulose, 5-7% of a capillary crystalline active master batch, 4-6% of fly ash and 4-7% of dry lime. The emulsion is novel and scientific in formula, reasonable in component proportion, mature in preparation technology, good in adhesive property, strong in rigidity and hardness, good in waterproof performance and environment-friendly to use.
Owner:QINGDAO TIANYUAN WEIYE HEAT INSULATION & WATERPROOF ENG CO LTD

Emulsion mixture dual-screw water removal device

PendingCN107283899AGuaranteed performancePrevent outflow lossPressesElectric machineryEmulsion
The invention belongs to the technical field of rubber after-processing auxiliary equipment, and particularly relates to an emulsion mixture dual-screw water removal device. A main structure comprises a base, universal wheels, a foot brake piece, a motor, a reducer casing, a coupler, a dual-screw assembly, a core shaft, a machine barrel, a feeding opening, a rotary air leakage roller, a scraping knife, a draining hole, a filter net, a steam hole, a first steam supply pipe, a second steam supply pipe, a support, a discharging hole and an exhaust hole; an emulsion mixture is subject to extrusion water removal to the maximum degree, water in the emulsion mixture is removed to the maximum degree, water can be effectively extruded, the losing of the emulsion mixture performance caused by continuous and excessive extrusion of the emulsion mixture can be avoided, different draw ratios are arranged according to the different water removal requirements, extrusion water removal of the emulsion mixture to the maximum degree can be achieved, the water removal rate of the emulsion mixture can be improved, the product yield is improved, and the device is simple in structure, energy-saving, environment-friendly, friendly in use environment and easy to use and popularize.
Owner:QINGDAO UNIV OF SCI & TECH

Manufacturing method for hybrid heterojunction solar cell

The invention belongs to the technical field of solar cell manufacturing, and relates to a manufacturing method for a hybrid heterojunction solar cell. The manufacturing method comprises the five steps of manufacturing a conductive glass substrate, manufacturing an ordered TiO2 nanorod array film layer, manufacturing an Sb2S3 nano film layer, manufacturing a P3HT nano film layer and manufacturing an Ag film electrode. The ordered TiO2 nanorod array film layer is manufactured by adopting a one-step low-temperature hydrothermal method, the Sb2S3 nano film layer is formed by depositing Sb2S3 on the surface of the ordered TiO2 nanorod array film layer by adopting a chemical liquid phase deposition method, the P3HT nano film layer is formed by depositing P3HT on the surface of the Sb2S3 nano film layer by adopting a spin-coating method, and an Ag electrode is plated on the surface of the P3HT nano film layer by adopting a thermal evaporation method or a magnetron sputtering method at last, thereby manufacturing the TiO2 / Sb2S3 / P3HT hybrid heterojunction solar cell. The manufacturing method has the advantages of simple and controllable process, scientific and reasonable principle, low energy consumption and production cost, high operability, energy conservation, environment protection and friendly operating environment, can be recycled and reused, and is suitable for large-scale production, popularization and use.
Owner:QINGDAO UNIV

CircRNA CHIF nucleotide and pharmaceutical composition comprising such nucleotide and application thereof

The invention discloses circRNA CHIF nucleotide and a pharmaceutical composition comprising the circRNA CHIF nucleotide. The pharmaceutical composition comprises the circRNA CHIF nucleotide, an auxiliary, and a viral vector or an embedding vector, the embedding vector is cholesterol, nanoparticles or lipidosome, preferably lipidosome, the viral vector is one or more of adenovirus vector, lentiviral vector and retroviral vector, preferably adenovirus vector, and the auxiliary is one or more of mannitol, phosphate buffer solution and normal saline, preferably phosphate buffer solution, the circRNA MNCR viral vector is 1016 PFU in infectivity titer, and a mass ratio of the circRNA CHIF nucleotide to the lipidosome is 1:1.25; a mass ratio of the viral vector or embedding vector to the auxiliaries is 1:200. The pharmaceutical composition is used for preventing and treating cardiac hypertrophy, cardiac fibrosis, coronary heart disease and heart failure, has reasonable formula, is simple to manufacture, has significant therapeutic effect, is widely applicable and is friendly to service environments.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV

Concrete water absorption rate testing device in parallel sustained load direction

ActiveCN109813626AReduce stress lossHigh precision measurement requirements to reduce capillary water absorptionWeighing by removing componentMaterial strength using tensile/compressive forcesWater storage tankData acquisition
The invention belongs to the technical field of concrete material durability detection equipment, in particular to a concrete water absorption rate testing device in a parallel sustained load action direction. A main body structure comprises a concrete test piece, a lower steel plate, a steel hoop, a steel cylinder group, an annular plate, a silica gel tube, an upper steel plate, a threaded rod, aspring, a nut, a water supply tank, a water injection pipe, a water injection valve, a water storage tank, an air pressure balance hole, a silica gel hose, a water outlet pipe, a mass sensor, a multi-channel data acquisition device, a computer and a strain gauge. The concrete test piece is loaded by using the steel cylinder group so as to realize a concrete water absorption amount test in the parallel sustained load direction, the surface water absorption rate of concrete in the parallel sustained load direction is measured while a continuous load action is applied; the coupling problem of the load action and the concrete water absorption process in the parallel sustained load direction can be solved, and a foundation is laid for researching a concrete adsorption influence mechanism and change rule of the sustained load direction; the device is simple in structure, easy and convenient to operate and friendly in application environment.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Preparation method of white carbon black/rubber composite

ActiveCN107312208ARealize secondary dispersionImprove the level of micro-dispersionMasterbatchPolymer science
The invention belongs to the technical field of rubber wet mixing, and particularly relates to a preparation method of the white carbon black / rubber composite. The technological process comprises three steps of masterbatch mixed liquor preparation, masterbatch preparation and composite preparation. The preparation method comprises the following steps: carrying out pretreatment such as stirring and ultrasonic atomization on fillers to form filler emulsion firstly, next, adopting a sudden temperature crushing technology on filler pre-dispersion, spraying out the filler emulsion through high pressure gas, spraying the filler emulsion on the surface of a high-temperature object, thereby crushing the filler emulsion drop by sudden heating, and realizing secondary dispersion of the filler in the rubber matrix. By adopting the high-temperature flashing drying technology, the wet method mixed rubber prepared from filler pre-dispersion subjected to the sudden temperature crushing technology is placed into high-temperature environment to evaporate moisture instantly, the solid filler is excellently dispersed into the rubber matrix, and finally a traditional internal mixer is adopted to prepare the filler / rubber composite. According to the invention, the principle is scientific and reliable, the implementation is simple and convenient, the preparation efficiency is high, the application prospect is wide and the use environment is friendly.
Owner:QINGDAO UNIV OF SCI & TECH

Three-dimensional flow velocity vector, energy and mass gauge

A three-dimensional flow velocity vector, energy and mass gauge is provided, wherein it comprises an elastic leather cover, both ends of which are mounted with a rigid sealing plug, separately, the elastic leather cover and the rigid sealing plug forming a cylindrical sealing cavity, in which a cable connecting line hole is installed on the upper rigid sealing plug, while an injection hole for injecting liquid into the cylindrical sealing cavity, on which a sealing plug is provided, is installed on the lower rigid sealing plug; and a measuring device for measuring the flow velocity vector and energy and a device for measuring the mass are installed in the cylindrical sealing cavity. The gauge has the advantages of a simple structure, convenient manufacturing and comprehensive detection.
Owner:NANJING DIBA ENG TECH

Method for preparing activated carbon materials

The invention belongs to the field of preparation of activated carbon materials, and relates to a preparation method of activated carbon materials. After the walnut shells are crushed, washed and dried to remove impurities, 5 parts are taken, namely A1, A2, A3, A4 and A5, and A1 is carbonized and soaked in aqueous hydrochloric acid solution. , washed to neutral and dried, named WSAC‑D; soaked in sodium hydroxide aqueous solution, washed to neutral dry and carbonized, then soaked in hydrochloric acid aqueous solution, washed to neutral and dried, named WSAC‑Na ;A3, A4 and A5 were mixed with zinc chloride and carbonized at 700°C, 800°C and 900°C, then soaked in aqueous hydrochloric acid solution, washed to neutrality and dried, respectively named WSAC‑Zn‑7, WSAC‑Zn ‑8 and WSAC‑Zn‑9, the preparation process is simple, the principle is reliable, the cost is low, the application is wide, and the use environment is friendly.
Owner:QINGDAO UNIV

Synergistic antifouling material based on microstructures and antifouling active substances and preparation method thereof

ActiveCN107177050AReduced attachment sitesAvoid stuffingBiocideVessel cleaningNitriteSealant
The invention belongs to the technical field of metal corrosion protection, and relates to a synergistic antifouling material based on microstructures and antifouling active substances and a preparation method thereof. The material is composed of matrixes formed by a plurality of microstructure base units with circular shaft structures, wherein the internal lower layer of each microstructure base unit is filled with an antifouling active substance, and the internal upper layer of the microstructure base unit is filled with a sealant. The process of the preparation method comprises steps of preparing microstructures, preparing the liquid antifouling active substances and preparing the synergistic antifouling material, and adhesion of fouling organisms is prevented through synergistic anti-fouling effect of the microstructures and the anti-fouling active substances. Components of the synergistic antifouling material are simple in structure, the material contains no nitrite, phosphate or heavy metals, and metal corrosion protection and inhibition effects on bacterial growth are good; the material is environment-friendly and safe, is a novel antifouling material based on new principles and new technologies because of adoption of surface microstructure properties and the anti-fouling active substances for synergistic fouling prevention, and has good promotion and application prospects.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP

Local-area intelligent monitoring system

The invention belongs to the technical field of wireless monitoring and relates to a local-area intelligent monitoring system which dynamically positions personnel and equipment in a local area through an area wireless communications network, satellite positioning and a mobile communications network. The local-area intelligent monitoring system comprises monitoring units in electrical information communication and is provided with an inductive coupling transponder, a trigger chip pass system and a trigger chip pass reader in an embedded manner; the trigger chip pass system comprises a satellite antenna, a communications antenna and a trigger chip module; the trigger chip module comprises a Beidou and GPS (global positioning system) positioning module, a control module, an electronic tag, a power module and a communications module; the electronic tag is composed of a high-frequency sensor and a chip; the chip is composed of a high-frequency interface, an address and safety logic unit, an electrically erasable memory and an ROM (read only memory); the external end of the address and safety logic unit is connected with a power source, data input, data output and a system clock. A design principle of the local-area intelligent monitoring system is advanced, the local-area intelligent monitoring system runs under high reliably and high safety, and the local-area intelligent monitoring system is good in monitoring effect and environment friendly o use.
Owner:青岛青铸装备有限公司

Interactive intelligent toy based on WIFI (Wireless Fidelity) and Bluetooth technologies

InactiveCN105797382ASame structureRealize remote voice interactionDollsElectricityComputer module
The invention belongs to the technical field of an intelligent toy, and relates to an interactive intelligent toy based on WIFI (Wireless Fidelity) and Bluetooth technologies. A main body structure of the interactive intelligent toy comprises a toy shell, a main control chip, an LED (Light-Emitting Diode) lamp, a sound transmitter, a storage module, a battery, a two-dimensional code, a WIFI module and a voice module; the main control chip is arranged in an embedded manner inside the toy shell; the LED lamp, the sound transmitter and the battery are respectively and fixedly arranged on the lateral surface outside the toy shell; the two-dimensional code is printed on a label of the lateral surface of the toy shell; the main control chip is formed in a manner that the storage module, the WIFI module and the voice module are electrically communicating and are integrally matched; the main control chip is respectively connected with the LED lamp, the sound transmitter and the battery by electrical information; the LED lamp and the sound transmitter are respectively connected with the battery by electrical information. A parent in a different place can carry out voice interaction in real time with a child by the toy; parent-child time is prolonged; the toy made of an environmental-friendly material is safe, non-toxic and harmless, and is full of child interestingness; the interactive intelligent toy is simple in structure, reasonable in design, convenient to operate, high in interestingness, environmental-friendly, energy-saving, and environmental-friendly to use.
Owner:青岛启程儿童机器人有限公司

Body cleaner for closestool

Disclosed is a body cleaner for a closestool, comprising water spray devices having a body cleaning function, fixing devices for fixing the water spray devices, and silicone hoses for providing a water flow, wherein water inlet ends of the silicone hoses are connected to a tap water pipe, and water outlet ends thereof are connected to the water spray devices; the fixing devices are arranged on the rear end of an opening of the closestool and fixed on the inner wall of the opening of the closestool; the height of the water outlet ends of the silicone hoses in the vertical direction can be adjusted; and the water spraying devices are provided with at least one nozzle which inclines upwards to form a 45-degree angle, and the nozzle is properly aligned with the front upper end of the opening of the closestool.
Owner:LIU HONGWEN

Meal delivery device for dining room

PendingCN107411354ADisplayHas the function of storageServing tablesFittingLiquid-crystal displayShortest distance
The invention belongs to the technical field of meal delivery vehicles, and relates to a meal delivery device for a dining room. The main structure of the meal delivery device comprises a connecting shaft, rear wheels, connecting rods, a handle, a brake wire, a support frame, a front wheel, a heat insulation box, upper drawers, lower drawers, partition boards, a room temperature box, a horizontal partition board, vertical partition boards, a box cover, a display box, a display screen and storage spaces; patterns can be pasted, printed or arranged on the outer side surface of the meal delivery device which play roles in the appearance beautification and the promotion of the enterprise culture of the dining room; after the display box is wirelessly connected with a server of the dining room, the display screen of a liquid crystal display panel structure or a blackboard structure can display positions of dishes in the heat insulation box or the room temperature box and destinations of the dishes needed to be delivered; and the storage spaces can store auxiliary items for dining, can be used for single delivery of cold dishes or hot dishes and soup, can also be used for short-distance delivery of other items, and have the functions of display and storage. The meal delivery device for the dining room is simple in structure, safe and reliable, low in manufacture and maintenance costs, energy-saving and environment-friendly in use.
Owner:刘旆如

Flange surface insulation processing method

The invention belongs to the technical field of surface engineering coating, and relates to the electrostatic powder spraying technology of surface engineering. The method comprises five steps: abrasive blasting, spraying, sintering, secondary spraying and sintering, and post-processing. An electrostatic spraying sintering method is used for depositing poly(ether-ether-ketone) powder on a butt joint surface of a flange and in a part of a pipe, and there is a certain distance away from a welding part. The surface of the flange is provided with a reliable flat insulating coating layer with the thickness from 300 microns to 500 microns, and the insulating coating layer is low in water absorption, is good in insulating effect, enables different types of metal at two ends of the flange to be isolated, is good in extruding resistance for the flange when a ship or a metal engineering structure deforms, can provide a good isolation protection effect, and effectively avoids the gap corrosion caused by the galvanic corrosion caused by the isolation elimination of different types of metal, pipe connection spacer aging and pipe miniature deformation. The method is simple, is reliable in principle, is low in preparation cost, is good in insulating effect, is long in validity period, is environment friendly, and is wide in application range.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP

Preparation method of defect-state titanium oxide-aluminum oxide-graphene ceramic electrode

The invention discloses a preparation method of a defect-state titanium oxide-aluminum oxide-graphene ceramic electrode. The method comprises the following steps: (1) weighing and fully mixing aluminum oxide, titanium oxide, zinc, zinc oxide and graphene solid powder according to a certain ratio to obtain a uniform mixture; (2) mixing, ball-milling and granulating the mixture and a binder, and pressing into a polar plate with a specific size; (3) carrying out heat treatment and high-temperature sintering treatment on the formed polar plate; and (4) carrying out fluorination treatment on the sintered polar plate, and drying to obtain the defect-state titanium oxide-aluminum oxide-graphene ceramic electrode. The in-situ oxygen defect construction technology is adopted, and the obtained electrode is high in electrical conductivity, good in stability and large in electrochemical active area and can be used for large-scale industrial wastewater deep treatment.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Chrome fluxing agent for steel ladles and preparation method thereof

ActiveCN102249709AReduce manufacturing costIncrease the pouring rateRefractoryPotassium feldspar
The invention relates to a chrome fluxing agent for steel ladles and a preparation method thereof and belongs to the field of refractory materials. The chrome fluxing agent for the steel ladles is prepared from the following raw materials in parts by weight: 68-72 parts of chrome ore, 11-22 parts of silicate rock with the particle size of 1-2 mm, 6-10 parts of silicate rock with the particle sizeof 0.5-1 mm, 4-7 parts of potassium feldspar, 0.004-0.008 part of carbon black, 0.002-0.004 part of crystalline flake graphite, 0.0005-0.001 part of F4 binding agent and 0.0001-0.0003 part of water. The chrome fluxing agent for steel ladles is prepared through the steps of material preparation, metering, mixing, material discharge, packaging, and the like. Through adding the new F4 binding agent and a lubricating agent (crystalline flake graphite) into the fluxing agent provided by the invention, a new chrome fluxing agent for steel ladles, which is higher in open-casting rate, lower in production cost and friendlier to application environment, is produced.
Owner:攀枝花市银江金勇工贸有限责任公司

Manufacturing method of solid dispersion containing itraconazole

The present invention relates to a method for preparing an itraconazole-containing solid dispersion. The itraconazole-containing solid dispersion according to the preparing method of the present invention has both improved solubility and rapid dissolution rate so that it has an excellent bioavailability. The itraconazole-containing solid dispersion of the present invention is also independent of pH variation of human stomach so that it can minimize the absorption variation of intra- and inter-individuals. In addition, the itraconazole-containing solid dispersion according to the preparing method of the present invention is stable for a long time. The present invention also provides an economical and environment-friendly method for manufacturing an itraconazole-containing composition because the method adds a lactic acid in a solution comprising itraconazole to decrease the amount of an organic solvent needed to dissolve itraconazole.
Owner:CTC BIO INC +1

Process for high-yield preparation of amantadine hydrochloride

The invention discloses a process for high-yield preparation of amantadine hydrochloride; the process includes two steps of (1) preparation of 1-acetamidodamantane and (2) preparation of amantadine hydrochloride. Amantadine hydrochloride can be prepared in one reaction kettle, so the operation steps are simplified; in addition, by using a phase transfer catalyst, the reaction effect is promoted; with a selected solvent system after screening, the reaction conversion rate and yield are increased, and costs, energy consumption and environmental pollution are reduced.
Owner:天津民祥生物医药股份有限公司

Process for preparing amantadine hydrochloride with high yield

The invention discloses a process for preparing amantadine hydrochloride with high yield. The process comprises the steps of (1) preparing 1-acetamidoadamantane; and (2) preparing amantadine hydrochloride. By using the process, amantadine hydrochloride is prepared in one reaction kettle, so that the operation step is simplified; in addition, the reaction effect is promoted due to the adoption of a phase-transfer catalyst, the conversion rate and yield of the reaction can be increased due to the adoption of a solvent system selected after screening, and the cost, energy consumption and environment pollution are reduced.
Owner:天津民祥生物医药股份有限公司

Preparation method of carbon-carbon/rubber composite material

ActiveCN107266733ARealize secondary dispersionImprove the level of micro-dispersionPolymer scienceHigh pressure
The invention belongs to the technical field of rubber wet-method mixing, and particularly relates to a preparation method of a carbon-carbon / rubber composite material. The preparation method of the carbon-carbon / rubber composite material comprises the following three steps: preparation of rubber master batch mixed liquor, preparation of rubber master batch and preparation of the composite material. A filler is pretreated by technical means including stirring and ultrasonic atomization at first to form filler emulsion, then the filler emulsion is sprayed out through high pressure of gas by a filler pre-dispersed material sudden-temperature breaking technology, and is sprayed to the surface of a high-temperature object, filler emulsion droplets are suddenly heated and broken, secondary dispersion of the filler in a rubber matrix is realized, then a high-temperature flashing drying technology is adopted, a wet-method rubber compound prepared by sudden-temperature breakage of the filler pre-dispersed material is placed in a high-temperature environment, water in the wet-method rubber compound is evaporated instantly, the cured filler is excellently dispersed in the rubber matrix, and finally, a filler / rubber composite material is prepared by the conventional internal mixer. The principle is scientific and reliable, the preparation method is practical, simple and convenient, the preparation efficiency is high, the application prospect is wide, and the use environment is friendly.
Owner:QINGDAO UNIV OF SCI & TECH
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