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11347results about How to "Play a supporting role" patented technology

Composite natural polymer gel material

The invention discloses a composite natural polymer gel material with a cross-linking agent. The material comprises hydrogel, organogel, aerogel and bioplastics and mainly overcomes the problem of low mechanical strength of conventional natural polymer gel materials. According to the invention, a certain amount of the cross-linking agent is added into a natural polymer water-based solution or dispersion liquid, then stirring is carried out, the obtained mixture is placed in a non-solvent for physical cross-linking, and then washing is carried out so as to obtain composite natural polymer hydrogel; water in the composite natural polymer hydrogel is replaced with an organic solution so as to prepare composite natural polymer organogel; the composite natural polymer hydrogel or organogel is dried so as to prepare composite natural polymer aerogel; the composite natural polymer aerogel is subjected to hydrophobic treatment so as to obtain hydrophobic aerogel; the composite natural polymer aerogel is subjected to heat treatment so as to obtain carbon aerogel; and one or more selected from the above-mentioned gel materials are subjected to high-temperature pressing so as to prepare composite natural polymer bioplastics. The composite natural polymer gel material prepared in the invention has the advantages of excellent mechanical properties, a high specific surface area, high elongation at break, etc., and can be easily processed into molded products of a plurality of forms.
Owner:浙江绍兴万德福生物技术有限公司 +1

Heat-dissipating double-sided adhesive tape with ultrahigh heat conductivity coefficient

The invention discloses a heat-dissipating double-sided adhesive tape with an ultrahigh heat conductivity coefficient. Ethylene glycol or triethylamine is added into a polyamic acid solution, the resulting mixture is put in an oven in a vacuum environment and maintained at 100 DEG C for 0.9-1.1 hours, the temperature is raised to 300 DEG C and maintained for 0.9-1.1 hours, followed by natural cooling, to produce a polyimide film; the polyimide film is heated up to 250 DEG C from room temperature and then heated up to 500 DEG C, and further heated up to 1200 DEG C at a rate of 9-11 DEG C/min, to produce a prefired carbonized film; the prefired carbonized film obtained in the step 4 is rolled by a calendar; the rolled product is heated up to 2400 DEG C at a rate of 19-21 DEG C/min and maintained for 0.9-1.1 hours and then heated up to 2900 DEG C at a rate of 19-21 DEG C/min and maintained for 1.8-2.2 hours, followed by cooling, to produce a fired graphite film; and subsequently the graphite film is rolled to obtain a graphite coating. The heat transfer performance of the double-sided adhesive tape in both the vertical and the horizontal directions are improved, so as to prevent local overheat of the adhesive tape and ensure uniformity of heat transfer performance of the adhesive tape.
Owner:SUZHOU SIDIKE NEW MATERIALS SCI & TECH

Aircraft component attitude adjusting assembly system based on parallel mechanism with six degrees of freedom and debugging method

The invention discloses an aircraft component attitude adjusting assembly system based on a parallel mechanism with six degrees of freedom, comprising an aircraft part attitude adjusting structure and a laser tracking system, wherein the position relationship therebetween is that the laser tracking system is arranged around the aircraft part attitude adjusting structure. The aircraft component attitude adjusting mechanism comprises an aircraft part the attitude of which to be adjusted, two PSS branch chains, two PRRS branch chains, a quiet platform for fixing the guide rails at the lowest ends of the four branch chains, the position relationship is as follows: two ends of the two PSS branch chains are connected with an aircraft part and a spherical hinge auxiliary sliding block through a spherical hinge, the guide rails are fixed on the quiet platform; one end of the two PRRS branch chains is connected with the aircraft part through the spherical hinge, the other end is connected with a revolute pair sliding block through a revolute pair, the revolute pair sliding block and an upper guide rail from a sliding pair, the upper guide rail and a lower guide rail form a sliding pair, and the lower guide rail is fixed on the quiet platform. The laser tracking system comprises a laser tracker and enclosures thereof. The system adjusting method comprises seven steps. The invention realizes arbitrary adjustment of space of parts to be assembled, employs laser detection, and ensures assembling accuracy.
Owner:BEIHANG UNIV

Setting phase change energy storage material with high-thermal conductivity and preparation method thereof

The invention relates to a setting phase change energy storage material with high-thermal conductivity and a preparation method thereof, belonging to the field of phase change heat storage materials. The setting phase change energy storage material with high-thermal conductivity is characterized by containing 65-90 percent by mass of paraffin substances as a phase-change material, 9-34 percent by mass of high-density polyethylene as a support material and 1-7 percent by mass of expanded graphite as a heat conduction intensifier; a method for adding a proper amount of expanded graphite to paraffin/high-density polyethylene in a molten state is adopted to enable the heat conductivity of the setting phase change material to be increased to 1.35W/(m.K) or higher. The method comprises the following steps of: heating to melt the paraffin substances with the mass percent of 65-90 percent, and heating to enable the temperature of the liquid paraffin to reach 120-190 DEG C; adding high-density polyethylene with the mass percent of 9-34 percent and the expanded graphite with the mass percent of 1-7 percent to the liquid paraffin, and then melting and evenly stirring in vacuum; putting the mixture in a hot mould for pressing and molding; taking the mixture from the mould after naturally cooling. The setting phase change material has high thermal conductivity, does not need to be packaged in containers and can directly contact heat-transfer media.
Owner:UNIV OF SCI & TECH OF CHINA

Daytime land radiation fog remote sensing monitoring method based on object-oriented classification

InactiveCN103926634AAvoid the status quo that is difficult to detectPlay a supporting roleInstrumentsFeature parameterSpectral signature
The invention provides a daytime land radiation fog remote sensing monitoring method based on object-oriented classification. The method comprises the steps of selecting EOS / MODIS satellite remote sensing data with the highest spatial resolution being 250 m, constructing cloud and fog feature parameters through the combination of atmospheric radiation transmission model simulation and statistic of a large number of the EOS / MODIS satellite remote sensing data, and selecting a suitable remote sensing image partitioning algorithm to conduct image partitioning on the cloud and fog feature parameters; calculating spectral signatures, textural features, geometrical features and cloud and fog feature parameter feature values of homogeneous units obtained through partitioning one by one, training the attributes of the homogeneous units constructed after the image partitioning on the basis of ground actual measurement meteorological observation data and by the adoption of a decision tree classification algorithm, and constructing the daytime land radiation fog remote sensing monitoring method for fog detection. According to the daytime land radiation fog remote sensing monitoring method, the problem that low clouds and fog are hard to distinguish due to the similarity of spectra and textures can be effectively avoided.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Fabricated architectural decoration stone artificial board curtain wall mounting frame

The invention discloses a fabricated architectural decoration stone artificial board curtain wall mounting frame and relates to the technical field of curtain wall mounting. The problems that in the prior art, the overall weight of a mounting frame is difficult to support by a guide rail attached to a wall, a large quantity of areas around the roof surface are occupied, consequently the strength is low, stability is poor, and curtain wall mounting is inconvenient are solved. The fabricated architectural decoration stone artificial board curtain wall mounting frame is characterized in that thefabricated architectural decoration stone artificial board curtain wall mounting frame comprises a base, a hoisting support facing the outer side of a roof is arranged on the base, and a winch is mounted on one side of the hoisting support; the winch is connected with a hanging basket through a steel rope which is arranged along the hoisting support in a penetrating mode, and the hoisting supportcomprises two spaced supporting rods which are longitudinally arranged on the base, and two spaced cantilevers which are transversely arranged on the base; the distance between the supporting rods isequal to the distance between the cantilevers and equal to the length of the hanging basket, and fixed pulleys are arranged at the ends, away from the base, of the supporting rods as well as the ends,away from the supporting rods, of the cantilevers correspondingly; and the ends, close to the fixed pulleys, of the cantilevers are provided with roof surface steel trusses. The fabricated architectural decoration stone artificial board curtain wall mounting frame has the advantages that the strength is high, the stability is good, and curtain wall mounting is convenient.
Owner:江苏华欣装饰集团有限公司

Nano-material mixed modified superhigh-temperature high-performance well cementing slurry system and preparation method thereof

The invention relates to a nano-material mixed modified superhigh-temperature high-performance well cementing slurry system and a preparation method thereof. The slurry system comprises the followingingredients in parts by weight: 100 parts of oil well cement, 15-25 parts of coarse silica sand, 15-20 parts of fine silica sand, 1-10 parts of nano-silicon dioxide, 1-10 parts of nano-calcium carbonate, 0.2-1 part of a defoaming agent, 4-10 parts of a fluid loss agent, 0-3 parts of a drag reduction agent, 0.5-4 parts of a retarder and 30-100 parts of water. In the slurry system, set cement has excellent compressive strength and toughness under superhigh temperature, and the compressive strength and the elasticity modulus cannot be obviously changed as the maintenance time is prolonged. The slurry system has good rheological property, lower water loss and proper thickening time, and the comprehensive properties of the slurry system can completely meet the related requirements of site wellcementing construction, so that the technical support is provided for well cementing under high temperature. A nano-material obtained by mixing the nano-silicon dioxide and the nano-calcium carbonateis added, and micropores of the set cement can be effectively filled, so that the system becomes denser. Therefore, the volume shrinkage of the set cement is relieved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Mobile terminal

The invention discloses a mobile terminal comprising a shell, an intermediate frame support and a mainboard which is provided with electronic components. The intermediate frame support comprises a first board and a second board which are arranged in a lamination way. The first board and the second board are metal boards, and the peripheral edges of the first board and the second board are fixedly connected and a vacuum cavity is formed between the first board and the second board. Two-phase fluid is arranged in the vacuum cavity. The internal wall of the vacuum cavity is provided with capillary structures. The mainboard is connected with the first board so as to transfer heat generated by the electronic components to the first board. Gasification and liquefaction of two-phase fluid are cyclically performed in the vacuum cavity so that heat can be transferred to the position of the intermediate frame support with lower temperature and thus heat radiation can be realized. Two effects of structural supporting and heat radiation can be realized by one intermediate frame support so that the terminal structure is simplified. Besides, heat generation is solved by relying on a hardware heat radiation scheme completely, temperature is controlled within the acceptable range of users, and frequency and the size of charging current of the electronic components are controlled without software so that performance of the terminal is enabled to be fully exerted.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Mobile intelligent patrol inspection management system for new energy power generation equipment and patrol inspection method

The invention discloses a mobile intelligent patrol inspection management system for new energy power generation equipment and a patrol inspection method. The system includes a mobile intelligent device client and a cloud patrol inspection platform server; the mobile intelligent device client and cloud patrol inspection platform server conduct communication through wireless network; the mobile intelligent device client downloads patrol inspection task from the cloud patrol inspection platform server, and upload the inspection results and the position information of the inspection personnel to the cloud patrol inspection platform server in real time; and the cloud patrol inspection platform server receives the data of the mobile intelligent device client, so as to realize GIS visualization of the patrol inspection equipment, dynamic display of patrol inspection track and defect analysis of patrol inspection equipment. The invention has the beneficial effects that through the function of tracking the mobile patrol inspection path, the quality of new energy equipment inspection is ensured; through depth data mining of the equipment defect information, the defect treatment is more targeted, so as to assist future equipment selection.
Owner:STATE GRID CORP OF CHINA +4

Method for preparing multi-layer composite functional surgical dressing

The invention relates to a method for preparing a multi-layer composite functional surgical dressing. The method comprises the following steps: respectively and independently carding the fiber layers comprising a functional layer which is formed by mixing chitosan fiber or chitosan fiber and viscose and is directly contacted with the skin, a water-absorbing layer which is made of viscose and has high liquid absorption performance and a protective layer which is formed by mixing the viscose and polyester fiber and has the supporting and protecting functions so as to form a net, manufacturing a three-layer laminate with an upper functional layer, a middle water-absorbing layer and a lower protective layer by employing a water jet strengthening technology, coating a waterproof agent on the protective layer of the three-layer laminate to form a waterproof layer, and finally rolling to obtain the surgical dressing. The product has high biocompatibility and promotes healing, the antibacterial rate is up to 96.7 percent, the liquid absorption rate is 1259 percent, the waterproofing grade is up to level 5, and the surgical dressing can be used for clinical repair for operative incision, burn, scald, ulcer and other skin injury and is simple in production process, low in cost and environmentally-friendly.
Owner:DONGHUA UNIV +1

Automatic bottle detection production line

The invention relates to the technical field of automatic detection, in particular to an automatic bottle detection production line. The automatic bottle detection production line is provided with a rack, wherein a conveying device, an automatic sorting device, an automatic bottle arranging and erecting device, a fine detection device and a crack and broken bottle detection device are arranged on the rack in sequence. Bottles can be conveyed through the whole production line, and bottles meeting the requirements are preliminarily sorted and screened and then reach to the automatic bottle arranging and erecting device. When the bottles reach to set positions, an infrared detection assembly detects and judges whether one end of each bottle firstly entered the conveying device is a bottle opening or a bottle bottom or not and transmits a signal to a controller; after that, a pushing rod assembly pushes the bottles to a reversing device, the reversing device receives the signal of the controller and performs anticlockwise or clockwise rotation to enable the bottle openings of the bottles to upward fall into a product conveying channel to be output, and then the fine detection device performs accurate screening and outputting on the bottle heights and the calibers. The whole production line is automatic, the production efficiency is improved, the cost is reduced, production can be rational, and the automatic bottle detection production line is suitable for large-scale production.
Owner:CHANGZHOU JIANGRUN PRECISION MACHINERY
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