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51results about How to "Combine closely" patented technology

Foam metal-carbon nanotube composite material, and preparation method and application thereof

The invention belongs to the technical field of nano materials, and discloses a foam metal-carbon nanotube composite material, and a preparation method and application thereof. The preparation method comprises the steps of pretreating a polyurethane sponge substrate, then putting the pretreated polyurethane sponge substrate in a chemical plating solution containing metallic elements to perform a chemical plating reaction, and drying the obtained product to obtain a foam metal catalyst with the polyurethane sponge substrate; then putting the foam metal catalyst in a tube furnace, heating the furnace to 500-550 DEG C, and feeding hydrogen for 0.5-2 hours; heating the furnace up to 600-800 DEG C, feeding an acetylene mixed gas to be used as a carbon source, and growing carbon nano material on the surface of the foam metal catalyst through chemical vapor deposition so as to obtain the foam metal-carbon nanotube composite material. According to the preparation method provided by the invention, carbon nanofibers or carbon nanotubes grow in-situ on the surface of a transition metal catalyst, so that the combination at the metal / carbon interface is tight, the carbon nanofibers or carbon nanotubes have good dispersity, and the tube diameters are controllable and uniform.
Owner:SOUTH CHINA UNIV OF TECH

Dam piping rescue high polymer closed grouting method

The invention discloses a dam piping rescue high polymer closed grouting method. The method comprises the following steps of: injecting a high polymer material into a soil engineering cloth bag at a piping passage port when a piping dangerous condition occurs at a dam, wherein the material is quickly expanded and cured after a reaction so as to quickly block the piping passage port; and injecting the high polymer material into a piping passage through micropores, wherein the material is quickly expanded and cured after the reaction so as to fulfill the aim of blocking the piping passage, reinforcing a dam body and improving the overall stability of the dam body. The method has the characteristics of good reinforcement effect, high construction speed, contribution to rescue, high pertinence, high controllability, light deadweight and the like. The high polymer closed grouting technology provides a new advanced, high-efficiency, economic and practical method for quick rescue of dam piping and has great application value for danger elimination and reinforcement of the dam.
Owner:南方工程检测修复技术研究院

Slow-release bacteriostatic rooting agent and preparation method thereof

The invention relates to a slow-release bacteriostatic rooting agent and a preparation method thereof. The slow-release bacteriostatic rooting agent is a pasty colloid obtained by mixing a slow-release agent, a bactericide, a rooting agent and a solvent. The slow-release bacteriostatic rooting agent comprises effective compositions in parts by weight: 1000 parts of bentonite, 1.2-1.8 parts of hymexazol, 3.6-6.0 parts of copper abietate, 24-36 parts of aluminum sulfate, 1.8-3.6 parts of a green plant growth regulating agent, 1.8-3.6 parts of indole-3-butyric acid potassium, and the balance purified water. The compositions interact each other for preparing the gray pasty colloid which has effects of promoting rooting and inhibiting bacteria and resisting corrosion, and is protrude in effect, the characteristics and the performances of the compositions are fully utilized, and the proportion and the usage amount are reasonable; and the slow-release bacteriostatic rooting agent is closely combined with production practice, the usage method is simple and practicable, the raw materials are cheap and easily purchased, the slow-release bacteriostatic rooting agent is wide in application scope and extremely strong in practicability, and has relatively high popularization utilization value.
Owner:SHANDONG WEIFANG ACADEMY OF AGRICULTURAL SCIENCES

Formed konjak mask and preparation method thereof

The invention discloses a formed konjak mask and a preparation method thereof. The mask is prepared by utilizing konjak powder as a raw material, purifying, preparing glue, and then mixing the glue with carboxymethyl cellulose and xanthan gum, adding glycerin and sodium carbonate to prepare an emulsion, curing and forming, dealkalizing and sterilizing, and finally immersing into a skin moisturizer. The formed konjak mask prepared by the preparation method disclosed by the invention is strong in toughness, good in ductility, good in adhesion and hydrophilia and capable of being closely combined with skin to provide sufficient moisture for the skin and prevent the moisture in the stratum corneum of skin from evaporating so as to enable the additional nutritional skin moisturizer to be easily absorbed, maintain the face moistness and avoid the accelerated aging the face skin; in addition, the konjak powder is a pure plant source substance, thereby being free of stimulation, safe and free of toxic or side effect to the skin. The formed konjak mask is little in pollution in the production process and liable to degrade, thereby being environmentally-friendly.
Owner:HUBEI YIZHI KONJAC BIOTECH

New-old concrete combining construction method at local repair section

The invention relates to a new-old concrete combining construction method at a local repair section. The construction method comprises the following steps of: (1) old concrete grooving: sawing joints on the old concrete on one side of a combination surface by a joint saw and uniformly arranging grooves at equal intervals; (2) groove cleaning: cleaning away the concrete within a grooving range in the step (1) by using impacting equipment and manually chiseling away edge-corner areas to form flat groove bottoms; (3) combination surface scabbling: scabbling the cutting surface of the middle and old concrete in the step (1); (4) interfacial agent spraying: spraying an interfacial binding agent on the combination surface of the new-old concrete; (5) steel bar laying: laying steel bars or steel bar supports in the grooves arranged in the step (1); and (6) new concrete pouring: pouring the new concrete inside the erected steel bar supports and the grooves. The new-old concrete combining construction method provided by the invention is simple in construction method and flexible in technological operation, can enable the new and old concrete at the local repair section to be closely combined, is durable and stable, and is widely applicable to new-old concrete engineering practice at the local repair section.
Owner:SHANXI PROVINCIAL RES INST OF COMM +1

Slow-release rooting agent and preparation method thereof

The invention relates to a slow-release rooting agent and a preparation method thereof. The slow-release rooting agent is a pasty colloid obtained by mixing a slow-release agent, a reinforcing agent, a rooting agent and a solvent. The slow-release rooting agent comprises effective compositions in parts by weight: 1000 parts of bentonite, 24-36 parts of aluminum sulfate, 1.8-3.6 parts of a green plant growth regulating agent, 1.8-3.6 parts of indole-3-butyric acid potassium, and the balance purified water. The compositions interact each other for preparing the gray pasty colloid which has protrude rooting promotion effect; also the characteristics and the performances of the compositions are fully utilized, and the proportion and the usage amount are reasonable; the slow-releasing rooting agent is closely combined with production practice, the usage method is simple and practicable, the raw materials are cheap and easily purchased, the slow-release rooting agent is wide in application scope and extremely strong in practicability, and has relatively high popularization utilization value.
Owner:SHANDONG WEIFANG ACADEMY OF AGRICULTURAL SCIENCES

Suspended projection game and study system

The invention provides a suspended projection game and study system. The suspended projection game and study system comprises a suspended projection device, an input unit used for presenting one or more instruction content, and an electronic device with a screen, wherein the suspended projection device comprises a placement board with an opening, at least one projection refractor and at least one support positioning part, therefore, when the electronic device is placed on the placement board of the suspended projection device, since a capture module of the electronic device can capture the instruction content provided by the input unit and transmits the instruction content to an application module, the application module judges the received instruction content, and at least one three-dimensional image is displayed on the screen; the three-dimensional image displayed by the screen of the electronic device can irradiate a projection refraction plate of the projection refractor through the opening of the placement board, then the three-dimensional image is subjected to the outward projection imaging through the projection refraction plate, and therefore, with the system, the three-dimensional image content is closely combined with the game process of a tabletop game, and thus the interestingness of the game is improved.
Owner:MIRAX TECH CORP

Nylon/carbon nano-tube composite material and preparation method thereof

The invention relates to the technical field of nylon composite materials, and particularly relates to a nylon / carbon nano-tube composite material and a preparation method thereof. The nylon / carbon nano-tube composite powdered material for selective laser sintering (SLS) is prepared from the following components: nylon resin, solvent, carbon nano-tubes, a carbon nano-tube dispersing agent, a flow promoting agent and an antioxidant. The nylon / carbon nano-tube composite powdered material has excellent mechanical performance, the carbon nano-tube has excellent dispersibility, the molded part prepared by sintering SLS has excellent molding effect and excellent size accuracy, and the material is simple in preparation process, environment-friendly and pollution-free.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD

Inorganic binder activated carbon rod and manufacturing process thereof

InactiveCN104525162AOvercoming the weakness of low water purification performanceImprove water purification effectOther chemical processesAlkali metal oxides/hydroxidesActivated carbonImpurity
The invention relates to an activated carbon rod, and in particular relates to an inorganic binder activated carbon rod and a manufacturing process thereof. The inorganic binder activated carbon rod is prepared from the following raw materials in percentage by weight: 70-90% of activated carbon and 10-30% of inorganic binder. The inorganic binder is one or more of kaolin, clay and loess. The inorganic binder activated carbon rod is capable of filtering various impurities such as residual chlorine and rust in tap water, is high in water purification performance and has the advantage of prolonging the service life and the change period of a filter element. The manufacturing process of the inorganic binder activated carbon rod comprises the following steps: carrying out wet stirring on the activated carbon and the inorganic binder, then compressing, ripening and drying; extruding into a cylindrical activated carbon rod by a pug mill; drying and cutting; molding under vacuum at 700-1000 DEG C to obtain the product. The manufacturing process is reasonable and the industrial production is easy.
Owner:ZIBO AIERQIN ENVIRONMENTAL PROTECTION TECH

Non-linear mechanical system type fixed time control method considering actuator faults

The invention relates to a non-linear mechanical system type fixed time control method considering actuator faults, which designs a robust control technology of a type of fixed-time convergence so that the system not only can adaptively process the fault problem of an actuator, but also can ensure that the mechanical system reaches a stable state within a time range given by a user, and the steady-state performance and the transient-state performance of the system are both within pre-designed performance indexes. The method has the following advantages: the mechanical system enters the steadystate before this time, namely, tracking an expected track with high precision is achieved to ensure the successful completion of a task; the self-adaptive law can achieve self-adaptive compensation autonomously and ensure the stability of the mechanical system; the transient parameters (such as convergence time and convergence rate) and steady-state parameters (steady-state tracking error) of themechanical system can be designed independently by the technical users, the parameters are closely combined with engineering technical indexes, so that the method is very suitable for engineering application.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Controlled-release bacteriostatic agent and preparation method thereof

The invention relates to a controlled-release bacteriostatic agent and a preparation method thereof. The controlled-release bacteriostatic agent is a pasty colloid obtained by mixing a controlled-release agent, a bactericide, an enhancer and a dissolving agent, and comprises the following effective components in parts by weight: 1,000 parts of sodium bentonite, 1.2-1.8 parts of hymexazol, 3.6-6.0 parts of resin acid copper salt, 24-36 parts of aluminum sulfate, and the balance of purified water. All the components are interacted to be prepared into grey white pasty colloid, so that the bacteria prevention and corrosion prevention effects are prominent, the characteristics and performance of various components are fully utilized, and the matching and dosage are scientific and reasonable; the bacteriostatic agent is closely combined with the production reality, is simple, convenient and feasible in application method, low in material price, easy to purchase materials, wide in application range, strong in practicability, and higher in popularization and application value.
Owner:SHANDONG WEIFANG ACADEMY OF AGRICULTURAL SCIENCES

Bean pulp protein adhesive and preparation method thereof

The invention discloses a bean pulp protein adhesive and a preparation method thereof. The adhesive is prepared from the following components in parts by weight: 25 parts of low-temperature degreasedbean pulp protein powder, 65-70 parts of dispersed medium water, 1-2 parts of nano calcium carbonate, 3-4 parts of EMIBF4, 2-4 parts of urea and 4-5 parts of a cross-linking agent. The preparation method comprises steps of dispersion, high-pressure homogenization and emulsification of a high-pressure homogenizer, ultrasonic treatment, and the like. The bean pulp protein adhesive has the advantagesthat protein molecules can be sufficiently expanded or partially broken, the molecular weight can be reduced, active groups can be remarkably increased, the reaction intensity of the cross-linking agent with proteins is improved, the cross-linking density is remarkably increased, and the adhesive is good in waterproof cementing property, high in stability and high in dry strength. Water-resistantrequirements of a plywood adhesive can be met, the adhesive is low in cost, and the practicability of the bean pulp protein adhesive can be ensured.
Owner:BEIJING FORESTRY UNIVERSITY

High-voltage cable single-phase dry-packaging repair method

The invention relates to the technical field of high-voltage cable repair, particularly a high-voltage cable single-phase dry-packaging repair method. The repair method is characterized by comprisingthe following steps of 1) performing earlier stage processing on a single-phase faulty cable: stripping off a faulty cable outer sheath, reserving a part of steel armor at the two ends of the faulty cable, reserving a part of inner sheath at the two ends of the faulty cable, reserving a part of copper shielding part at the two ends of the faulty cable, reserving a part of semi-conductive layer atthe two ends of the faulty cable, stripping out a cable wire core, and cutting the two ends of a main insulating layer to form chamfers; and 2) performing recovery on the processed faulty cable: performing crimping on the single-phase faulty cable by a copper connecting pipe, wrapping the copper connecting pipe with a layer of semiconductor band in a half-overlaying manner, recovering the main insulating part, recovering the semiconductor, winding the cable by an armored band to recover the outer sheath, and performing high-voltage holding test and insulation resistance test on the recovered cable. By virtue of the repair method, manpower and material resources are saved, the flexible and rigid cables can be combined more tightly, the service life of the recovered cable can be prolonged, and the cable is more durable.
Owner:RIZHAO PORT

Oral cavity implant and module thereof

The invention relates to an oral cavity implant and a module thereof, and belongs to the technical field of medical stomatology. The oral cavity implant consists of an implant neck part (1), an implant body part (2) and an implant root part (3), wherein diameters of the implant neck part (1), the implant body part (2) and the implant root part (3) are sequentially reduced, and the implant neck part (1), the implant body part (2) and the implant root part (3) respectively have a conicity, so that the overall appearance of the implant is in a root shape with conicity, the lower end of the implant root part (3) is provided with a rotary blade, and the oral cavity implant is characterized in that a fixed hole (4) is arranged inside the implant, the inner surface of the fixed hole (4) is a conical surface with a downward conicity, and a threaded hole (5) is arranged below the fixed hole (4). Due to the adoption of the oral cavity implant and the module thereof, wound and damage of bone tissues can be reduced during the oral implanting process, the formation of synostosis can be promoted, a stress blocking effect can be effectively eliminated, health of the bone tissues can be improved, and a repaired base is tightly combined with the implant and is uneasy to loosen.
Owner:安敬滨

Shaped Amorphophallus konjac facial mask and preparation method thereof

The invention belongs to the technical field of beauty and skin care products, and particularly relates to a preparation method of a shaped Amorphophallus konjac facial mask. The preparation method includes the steps that purifying is carried out to prepare Amorphophallus konjac gum, then the prepared Amorphophallus konjac gum is mixed with aloe extract, carboxymethyl cellulose and xanthan gum toobtain a mixture, glycerin and sodium carbonate are added to prepare an emulsion, then curing forming, dealkalizing and sterilizing are carried out, and finally the obtained object is immersed in a skin care lotion to obtain the shaped Amorphophallus konjac facial mask. The preparation method of the shaped Amorphophallus konjac facial mask is less in pollution in the production process and easy todegrade, and an environment-friendly facial mask can be prepared.
Owner:FUYUAN JINDI KONJAK SEED IND

Preparation method of TiO2 material with oxygen vacancies

The invention discloses a preparation method of a TiO2 material with oxygen vacancies. The TiO2 material with the oxygen vacancies is prepared from a titanium dioxide raw material through in-situ reduction by biomass; and in the TiO2 material obtained after in-situ reduction of the titanium dioxide raw material by the biomass, the number of the formed oxygen vacancies accounts for 3%-60%. According to the invention, a biomass in-situ reduction method is mainly adopted; N atoms or C atoms in the biomass react with O in titanium dioxide at a high temperature and are thus converted into nitric oxide or carbon oxide; the nitric oxide or carbon oxide formed through conversion floats out along with inert gas; and therefore, oxygen atoms in the titanium dioxide are dragged out, and the TiO2 material with the oxygen vacancies is formed. The preparation method of the TiO2 material with the oxygen vacancies has the advantages of simple process, safe reaction, good stability of generated oxygen vacancies and the like.
Owner:ZHEJIANG UNIV OF TECH

Solar heating wireless monitoring and positioning system for oil storage tank

The invention discloses a solar heating wireless monitoring and positioning system for an oil storage tank. By adoption of the solar heating wireless monitoring and positioning system for the oil storage tank, energy waste can be greatly reduced, energy is saved, the environment is protected, and good application and popularization value is achieved. The solar heating wireless monitoring and positioning system for the oil storage tank comprises an ARM processor, a GSM module, a PC control terminal, an A / D convertor, a signal processing circuit, a GPS receiver, a temperature sensor, a circulating pump, a solenoid valve, an execution mechanism, a liquid level sensor and a touch display screen. The ARM processor is connected with the GSM module and the PC control terminal. The signal output end of the ARM processor is connected with the liquid level sensor and the touch display screen. The signal input end of the ARM processor is connected with the A / D convertor. The signal output end of the ARM processor is further connected with the execution mechanism. The input end of the A / D convertor is connected with the signal processing circuit. The input end of the signal processing circuit is connected with the GPS receiver and the temperature sensor. The output end of the execution mechanism is connected with the circulating pump and the solenoid valve. The output end of the execution mechanism is further connected with a solar heating module.
Owner:田荣侠

Automobile body controller module experimental platform based on shared cloud

The invention relates to the technical field of experimental facilities, and discloses an automobile body controller module experimental platform based on shared cloud. The automobile body controller module experimental platform based on the shared cloud comprises a plurality of automobile body controller module experimental platform bodies, the multiple automobile body controller module experimental platform bodies are connected with a resource controlling module through exchangers, the resource controlling module is connected with a local database, a cloud service side and a user managing module, the user managing module is connected with a local client side and connected with a remote client side through a flow amount statistics module, and the cloud service side is further connected with an experimental data study module; the resource controlling module is used for controlling storage modes of experimental data and distributing the multiple automobile body controller module experimental platform bodies according to selection of the user managing module; and the experimental data study module is used for studying configuration of the existing automobile body controller module experimental platform bodies and data law of an experimental testing result, and an experimental emulation function is achieved. The automobile body controller module experimental platform based on the shared cloud can meet the requirements for close combination of teaching experiments and industrial products and has the advantages of being higher in flexibility.
Owner:SHANGHAI UNIV OF ENG SCI

Reverse copper foil processing equipment

The invention discloses reverse copper foil processing equipment, and belongs to the technical field of machining equipment. The reverse copper foil processing equipment comprises a copper foil combination belt, a first transmission roller set used for conveying the copper foil combination belt, a dry film combination belt, a second transmission roller set used for conveying the dry film combination belt, a dry film engraving belt and a third transmission roller set used for conveying the dry film engraving belt, and the surface of the copper foil combination belt is provided with first rough textures. The dry film engraving belt and the dry film combination belt are synchronously conveyed, the dry film engraving belt is used for engraving a rough surface on the surface of the dry film combination belt, and the copper foil combination belt and the dry film combination belt are in pressing fit through a pressing mechanism. According to the device, the binding force of the copper foil and the dry film can be improved without excessive pressing force, deformation of materials is reduced, the elongation of the copper foil is guaranteed, and the residual copper rate can be reduced.
Owner:惠州联合铜箔电子材料有限公司

Antibacterial and radiation-proof suiting fabric

InactiveCN110328921AImprove antibacterial propertiesGood radiation protection, antibacterial and deodorizing functionsGarment special featuresBiochemical fibre treatmentFiberSilver plate
The invention discloses an antibacterial and radiation-proof suiting fabric which comprises a base fabric layer, a fabric layer and a radiation-proof antibacterial deodorant layer arranged between thebase fabric layer and the fabric layer, wherein the radiation-proof antibacterial deodorant layer is cross-woven by warp yarns, weft yarns and wool yarns; the warp yarns are antibacterial fibers containing nano silver particles, and the mass of the nano silver particles accounts for 0.015 to 0.020 per mille of the total mass of the antibacterial fibers; the weft yarns are the antibacterial fiberstreated by deodorant finishing liquid; and the wool yarns are a silver-plated fiber filaments. According to the invention, the warp yarns, weft yarns and wool yarns are cross-woven into the radiation-proof antibacterial deodorant layer, so that the radiation-proof antibacterial deodorant layer has good radiation-proof, antibacterial and deodorant functions; the radiation-proof antibacterial deodorant layer is fixed between the base fabric layer and the fabric layer, so that the suiting fabric has good antibacterial, radiation-proof and deodorant functions.
Owner:安徽弋尚纺织科技有限公司

A reverse copper foil processing equipment

The invention discloses a reverse copper foil processing equipment, which belongs to the technical field of mechanical processing equipment, and comprises a copper foil composite belt, a first drive roller set for transmitting the copper foil composite belt, a dry film composite belt, and a The second drive roller set of the dry film combination belt, the dry film engraving belt and the third drive roller set used to transport the dry film engraving belt, the surface of the copper foil combination belt has a first rough texture, the The dry film imprinting belt is transmitted synchronously with the dry film combination belt. The dry film imprinting belt is used to mark the surface of the dry film combination belt into a rough surface. The copper foil combination belt and the dry film combination belt pass through a pressing mechanism Press fit. The device of the invention can increase the bonding force between the copper foil and the dry film without excessive pressing force, reduces the deformation of the material, ensures the elongation of the copper foil, and can also reduce the residual copper rate.
Owner:惠州联合铜箔电子材料有限公司

Application of SNHG17 in screening drugs for regulating radiation-induced pulmonary epithelial cell mesenchymal transformation and/or pulmonary fibrosis

The invention provides application of SNHG17 in screening drugs for regulating radiation-induced pulmonary epithelial cell mesenchymal transformation and / or pulmonary fibrosis. SNHG17 can be used as apotential target for the prevention and treatment of radiation-induced pulmonary fibrosis. When the expression of SNHG17 is increased, radiation-induced pulmonary epithelial cell mesenchymal transformation is promoted. When the expression is decreases, radiation-induced pulmonary epithelial cell mesenchymal transformation is inhibited. The SNHG17 can be applied to promote the development of new drugs related to SNHG17 for the prevention and treatment of pulmonary fibrosis, and finally the drugs are applied to clinical tumor treatment to improve the sensitivity of tumor patients to radiotherapy and achieve true accurate radiotherapy in clinic.
Owner:ACADEMY OF MILITARY MEDICAL SCI

Smart tablet computer with U-shaped layout touch control screen holding gesture input self-setting keyboard

The invention relates to a smart tablet computer with a U-shaped layout touch control screen holding gesture input self-setting keyboard. An input keyboard is arranged on a surface of the smart tablet computer, which ten fingers naturally touch when in a holding gesture of two hands. Thumbs of two hands touch and control a space input key, other functional keys and a mouse that are arranged on the edge of a front touch control display screen of the smart tablet computer. The space input key touched and controlled by thumbs of two hands is arranged on the frame of the smart tablet computer. Other functional keys and the mouse are arranged on the edge of the front touch control display screen. Other fingers of two hands touch and control a back touch control screen of the tablet computer, namely input keys corresponding to a common computer keyboard or a specific input keyboard. Or the space input key touched and controlled by thumbs of two hands is arranged on the frame of the smart tablet computer. Other functional keys and the mouse are arranged on the edge of the front touch control display screen. Other fingers of two hands touch and control the back touch control screen of the tablet computer, namely input keys corresponding to the common computer keyboard or the specific input keyboard. The smart phone and the back of the smart tablet computer are functionalized.
Owner:ZIBO ENVIRONMENTAL PROTECTION TECH CO LTD +1

Dam piping rescue high polymer closed grouting method

The invention discloses a dam piping rescue high polymer closed grouting method. The method comprises the following steps of: injecting a high polymer material into a soil engineering cloth bag at a piping passage port when a piping dangerous condition occurs at a dam, wherein the material is quickly expanded and cured after a reaction so as to quickly block the piping passage port; and injectingthe high polymer material into a piping passage through micropores, wherein the material is quickly expanded and cured after the reaction so as to fulfill the aim of blocking the piping passage, reinforcing a dam body and improving the overall stability of the dam body. The method has the characteristics of good reinforcement effect, high construction speed, contribution to rescue, high pertinence, high controllability, light deadweight and the like. The high polymer closed grouting technology provides a new advanced, high-efficiency, economic and practical method for quick rescue of dam piping and has great application value for danger elimination and reinforcement of the dam.
Owner:南方工程检测修复技术研究院

Method for digital archiving and production of dental prostheses and prostheses

ActiveCN104603859BCombine closelyImpression capsDental toolsTraining of trainersPatient model
A method for digital filing and production of dental prosthesis and prosthesis and its teaching training, the method mainly includes the following steps: pre-operative scanning (110) establishing the first digital model file (121), optical positioning and turning treatment (130 ), and establish the second digital model file (122) during the turning process; the solid model calculation (140) reversely establishes the patient's autologous crown model file (150); and manufactures the fixed denture (200), combining the first Two digital model files (122) and autologous crown model files (150) to make fixed dentures that meet the patient's needs, so that the inner structure of the crown of the fixed dentures can be closely combined with the abutment body, and can be determined according to needs To preserve the original appearance of the crown. According to the above-mentioned method, the tooth model of the teaching digital model file can be used for the teaching and training of the trainee.
Owner:EPED

Stain-resistant and flame-retardant building outer wall and preparation method thereof

The invention discloses a stain-resistant and flame-retardant building outer wall and a preparation method thereof, and relates to the technical field of new materials. Layered copper-aluminum bimetal hydroxide is prepared, and smoke-abatement effective components exist in a lamellar structure of the layered copper-aluminum bimetal hydroxide, so that carbon formation on the surface of the material and formation of a heat-insulating protective layer are facilitated; the decomposed product is an alkaline porous substance for adsorbing sulfur dioxide in air; and the expanded polystyrene composite material is composed of expandable polystyrene foam beads and has the advantages of being easy and convenient to construct, good in heat preservation performance, resistant to pollution and easy to recycle, the expanded polystyrene composite material and the expanded polystyrene foam beads are matched after being mixed, the wall has better flame retardant performance, and the better heat conduction performance enables the color of the wall to appear more rapidly and accurately. The stain-resistant and flame-retardant building outer wall prepared by the invention has the effects of flame retardance, stain resistance and color change, can perform air purification and self-cleaning in a high-temperature environment with a large amount of sulfur dioxide harmful gas, and has a warning effect through color change.
Owner:刘轩彤

Method for improving mine auxiliary transportation management

The invention relates to an auxiliary transportation management method applied to a mine. A passive radio frequency technology and a video identification technology are mainly used as a front-end data acquisition method for auxiliary transportation management, and the passive radio frequency technology can accurately and effectively provide accurate positioning information of transportation, realize fine management of transportation, provide data support and video identification technology for reasonable allocation of transportation resources, according to the identification method for auxiliary transportation development, risk management and control of the auxiliary transportation system are realized, and safe operation of the auxiliary transportation system is guaranteed. Real-time monitoring of a transportation link is realized through a logistics transportation method, a sand table type platform management monitoring method and a customized developed management function are provided, key deployment and overall management are carried out on an auxiliary transportation system, and optimal distribution of transportation resources is realized.
Owner:河北智谷电子科技有限责任公司
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