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161results about How to "Improve processing technology" patented technology

Infrared imaging detector based on carbon nano tubes and preparation method of detector

The invention discloses an infrared imaging detector based on carbon nano tubes and a preparation method of the detector. The infrared imaging detector comprises a substrate, a plurality of semiconductor carbon nano tubes or semiconductor carbon nano tube film strips located on the substrate, and asymmetrical contact electrodes. The asymmetrical contact electrodes include a plurality of first electrodes and a plurality of second electrodes. The first electrodes and the second electrodes are arranged at intervals and of ainterdigital electrode structure. The preparation method includes: using an evaporation drive self-assembling method to arrange the semiconductor carbon nano tubes or semiconductor carbon nano tube film strips on the substrate; forming the first electrodes, the second electrodes and the patterns of the metal connecting lines of the first electrodes and the second electrodes on the semiconductor carbon nano tubes or semiconductor carbon nano tube film strips, and evaporating the metal layers of the electrodes. The infrared imaging detector has the advantages that output photocurrent of the infrared detector is increased through parallel connection, device resistance is reduced, the device preparation process is simple, infrared detection can be achieve without doping, the output current is multiplied, and signal to noise ratio is increased.
Owner:PEKING UNIV

Femtosecond-laser and two-photon polymerization micro-nano machining system and method

The invention discloses a femtosecond-laser and two-photon polymerization micro-nano machining system and a femtosecond-laser and two-photon polymerization micro-nano machining method. The micro-nano machining system comprises a femtosecond laser device, a reflector path modulation unit, an image taking device, a focusing lens, a displacement table, a computer and a monitoring device, wherein the image taking device is used for carrying out layer-by-layer image taking on a section graph of a three-dimensional micro-nano device to shape the modulated femtosecond laser into parallel beams arrayed according to the section graph of each layer. According to the femtosecond-laser and two-photon polymerization micro-nano machining system and the femtosecond-laser and two-photon polymerization micro-nano machining method, not only can multiple three-dimensional micro-nano devices be simultaneously machined, but also the arbitrary and complex three-dimensional micro-nano devices can be machined layer-by-layer, so that the machining efficiency and the process flow are improved; besides, in a layer-by-layer micro-nano machining process, the displacement table only needs to move along the thickness direction of the section of the micro-nano device, so that not only can the machining efficiency and the process flow be improved, but also positioning accuracy requirements of the displacement table in two-dimensional directions are reduced, then a machining process is simplified, and the difficulty is reduced.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Manufacture method of transparent tunnel model for simulating network containing complex fracture

The invention belongs to the field of rock engineering, and relates to a manufacture method of a transparent tunnel model for simulating a network containing a complex fracture. Specific to the shortcomings and defects existing in a current manufacture method of the transparent tunnel model, the invention provides the manufacture method of a high transparent tunnel model which is good in brittleness and easy to form and demold and can be used for easily preparing drill ways with different lengths and controlling the relative position relationship of fractures and a tunnel, an organic glass tube is adopted to simulate the drill ways of the tunnel, a mica sheet is adopted to simulate the fractures existing in rock, and a 3D (three-dimensional) printing technology is adopted to manufacture acomplex fracture model to simulate a complex fracture network in surrounding rock. The method can be used for simulating the transparent tunnel model of which both the excavation phases and the tunnelnumber are different, the fractures which have different shapes, different angles, different numbers and different position relations with the tunnel can be accurately arranged in the surrounding rock, so that the tunnel model can be easily used for observing the mechanical property and fracture law of the underground tunnel, which is subjected to pressing, of jointed rock.
Owner:NORTHEASTERN UNIV

Automatic image editing method

PendingCN110322468ASolve the technical problem of poor image processing technology effectImprove processing technologyImage enhancementImage analysisConvolutionEncoder decoder
The invention discloses an automatic image editing method. The method comprises the following steps: constructing a first full convolutional neural network model for labeling a tripartite graph of a foreground, a background and an uncertain region corresponding to the photo based on an encoder-decoder; obtaining a first original picture to perform image processing transformation, and generating acorresponding template picture as first training data; enabling the first full convolutional neural network model to firstly perform random rotation, scaling and gamma transformation processing on theoriginal image according to the first training data, combining the original image and the alignment template image into an image in a channel direction, and outputting a real tripartite graph; constructing a second full convolutional neural network model for realizing image matting based on an encoder-decoder; obtaining a second original picture for image processing and synthesis, and generatingan RGB picture as second training data; and enabling the second full convolutional neural network model to perform random rotation, scaling and gamma transformation processing on the RGB image, combining the original image and the real tripartite graph in the channel direction to form an image, and outputting a matted image.
Owner:GUANGDONG UNIV OF TECH +1

Five-element fruit vegetables nutrition preparations for reinforcing human body five-organs function and preparation method thereof

The invention relates to a five-element fruit-vegetable nutrition agent for enhancing the functions of the five viscera of human body, which is characterized in that: the invention consists of five fruits and vegetables with colors of red, yellow, green, white and black; wherein the red agent contains 2.7 portions to 6.9 portions of fruit-vegetable powder; the yellow agent contains 6.2 portions to 9.9 portions of fruit-vegetable powder; the green agent contains 2.7 portions to 6.0 portions of fruit-vegetable powder; the white agent contains 5.2 portions to 9.9 portions of fruit-vegetable powder; the black agent contains 3.7 portions to 7.7 portions of fruit-vegetable powder; the preparation method is that: according to formula proportion, the materials are weighted, and granulated after screened by 60 to 80 mesh sieve; then the obtained granules are added with ingredients to make granules or tablets. The invention has reasonable formula and is green and healthy, which is guided by the five elements theory of traditional Chinese medicine and viscera state doctrine through combining modern nutrition theory and adopts natural fruit-vegetable powder and extract, thus having high safety and no side effect; the invention can make up the deficiency of daily fruit and vegetable intake and is in favor of overall and balanced nutrition complementation; furthermore, the preparation method is simple and the nutrition, color and tastes of natural fruits and vegetables are preserved in the maximum degree.
Owner:TIANJIN TIANSHI BIOLOGICAL DEV

Ginkgo leaf extracting technology and ginkgo black tea processing method

The invention discloses a ginkgo leaf extracting technology and a ginkgo black tea processing method. The ginkgo black tea processing method is characterized in that ginkgo leaf is extracted to obtain juice concentrate, and then the juice concentrate and black tea are prepared into ginkgo black tea, wherein the mass ratio of the ginkgo leaf juice concentrate to black tea is 1:20-30. The processing method comprises the following steps of: evenly spraying the ginkgo leaf juice on the black tea in proportion so that the juice is sufficiently and evenly absorbed; carrying out thermostatic drying at the temperature of 55 DEG C+/-2 DEG C till the water content is less than 5%; and carrying out vacuum package to obtain a ginkgo leaf black tea product. Or the processing method comprises the following steps of: smashing black tea into 10-30-mesh powder; mixing with the ginkgo leaf juice in proportion so that the juice is sufficiently and evenly absorbed; carrying out thermostatic drying at the temperature of 50 DEG C+/-2 DEG C till the water content is less than 4%; and packing with bagged tea packing paper to obtain a bagged ginkgo black tea product, wherein each bag is 2.5-5.0g. The tea product provided by the invention is high in the content of tea polysaccharide, high in activity and more suitable for the patients who suffer from hyperlipidemia and hyperglycemia, and has more obvious effect of restraining the increase of abdominal fat as compared with other tea products.
Owner:徐州绿之野生物食品有限公司 +1

High-temperature-resistant halogen-free flame-retarding thermoplastic elastomer and preparation method of high-temperature-resistant halogen-free flame-retarding thermoplastic elastomer

The invention discloses a high-temperature-resistant halogen-free flame-retarding thermoplastic elastomer. The high-temperature-resistant halogen-free flame-retarding thermoplastic elastomer is prepared from the following raw materials in parts by weight: 60 to 80 parts of EVA (Ethylene-vinyl Acetate copolymer), 25 to 45 parts of EPDM (Ethylene-Propylene-Diene Monomer), 15 to 35 parts of an ethylene-octene copolymer, 1 to 15 parts of high density polyethylene, 5 to 20 parts of organic modified siloxane, 10 to 30 parts of ammonium polyphosphate, 2 to 5 parts of aluminum hydroxide, 1 to 3 parts of zinc borate, 1 to 5 parts of sulfur, 0.5 to 1.5 parts of an accelerant TMTD (Tetramethylthiuram Disulfide), 0.5 to 2 parts of an accelerant CZ, 0.5 to 2 parts of zinc oxide, 1 to 3 parts of an anti-ageing agent RD, 4 to 18 parts of calcium carbonate, 3 to 5 parts of ground quartz, 5 to 10 parts of an interface compatibilizer, 5 to 20 parts of a plasticizer, 0.5 to 2 parts of an antioxygen, 0.2 to 2 parts of a lubricant and 1 to 3 parts of a processing auxiliary agent. The thermoplastic elastomer disclosed by the invention has excellent high-temperature resistance and flame-retarding performance and has no halogen, low toxin and good comprehensive properties.
Owner:TIANCHANG KANGNING PLASTIC TECH

Metal Seamless Pipe Fitting Spinning Forming Device

The invention relates to a spin forming device for a seamless metal pipe fitting, and belongs to the technical field of processing machines for the seamless metal pipe fitting. The device comprises a bed body, wherein the left side of the bed body is fixedly provided with a main shaft box driven by a main shaft motor; a guide rail is fixedly arranged on the right side of the bed body and is provided with a large carriage and a tailstock carriage from left to right in turn in a movable fit mode; the front and rear parts of a table top on the left side of the large carriage are connected with aspinning wheel middle carriage provided with a spinning wheel and a top wheel middle carriage provided with a top wheel, and the two middle carriages can transversely move relative to the large carriage; a spinning component consisting of a fixing plate, a roller bearing and a hollow shaft is fixedly arranged on a table top on the right side of the large carriage; the tailstock carriage is fixedly provided with an auxiliary shaft box; the seamless metal pipe fitting to be processed is sleeved in the spinning component; the left and right ends of the seamless metal pipe fitting to be processedare connected with the main shaft box and the auxiliary shaft box; and the external surface of the seamless metal pipe fitting to be processed is tangent to the spinning wheel and the top wheel. The device has a simple structure and low production cost and is convenient to operate.
Owner:应一凡

Fingertip sealing device

The invention relates to a sealing device, in particular to a fingertip sealing device for controlling secondary flow leakage in a gas turbine engine. The fingertip sealing device consists of a front baffle plate, a rear baffle plate and a plurality of fingertip sheets arranged between the front baffle plate and the rear baffle plate, wherein both the front baffle plate and the rear baffle plate have annular platy structures; downwards sunken finger bodies which are arranged linearly are formed on the inner diameters of the fingertip sheets; the finger bodies between two adjacent layers of fingertip sheets are staggered; a plurality of pairs of assembly holes are formed in the fingertip sheets; and the front baffle plate, the rear baffle plate and the fingertip sheets are connected with one another through rivets in a riveting or welding mode. The fingertip sealing device can adapt to vibration of a shaft, relative displacement, which is produced by a centrifugal force and thermal deformation, between a rotor and the sealing device, and larger axial displacement of the rotor, so that aims of improving the sealing property and reducing leakage are fulfilled, and the service life is prolonged. The fingertip sealing device has the characteristics of being suitable for manufacturing sealing devices in various sizes and meeting requirements for batch production, along with simple structure and low cost.
Owner:AECC SICHUAN GAS TURBINE RES INST

Rotating bearing platform and antenna measuring isolation chamber

The invention discloses a rotating bearing platform and an antenna measuring isolation chamber so that a problem that the detection efficiency is low because one side, facing a testing table, of a to-be-detected electronic device can not be detected easily and needs to be turned over manually when the to-be-detected electronic device is placed on the testing table can be solved. The rotating bearing platform is characterized by comprising support bases, two clamping plates connected to the support bases in a rotating manner by rotating shafts, a clamping assembly for driving the clamping plates to be clamped tightly, and a power assembly for driving the rotating shafts to make rotation to drive the clamping plates to make rotation synchronously. The clamping assembly consists of a thread bush sleeving the rotating shaft in a rotating manner, a blocking assembly for limiting the axial displacement of the thread bush, and a telescopic rod in threaded connection to the thread bush, wherein one end of the telescopic rod is fixed at one clamping plate; and the thread bush rotates to drive the telescopic rod and the clamping plates to make axial displacement so as to realize opposite clamping of the two clamping plates, so that overturning of the detection plane of an electronic device is controlled by means of rotation.
Owner:SUNYIELD TECH CO LTD
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