34results about How to "Good outline" patented technology

The invention discloses a multi-temporal high-resolution remote sensing image building extraction method based on a multi-feature LSTM network, and belongs to the technical field of satellite remote sensing image processing and application. The method aims to solve the problems of low accuracy, high error rate, fuzzy boundary and the like of a building extraction result of an existing method. According to the invention, a plurality of multi-temporal high-resolution No.2 remote sensing images are used as data sources; building spectral characteristics are extracted by using a method based on HSI color transformation; based on a method of combining graph segmentation and conditional random field post-processing, shape features of a building are extracted, based on a Gabor wavelet transform method, texture information features of the building are extracted, and based on a DSBI index method, index features of the building are extracted. A building characteristic set with 60 characteristicwave bands is formed by the extracted spectrum, shape, texture and index characteristics of the multi-temporal building, a manufactured building sample and a label are sent into an LSTM network to obtain a building coarse extraction result, and a final result is obtained after morphological processing.

The invention relates to a valve pair sealability detection device and method. The device comprises a detection platform, a leakage observation chamber, a vacuum pressure meter, a pressure maintainingvalve and a vacuum pump, the detection platform is communicated with the leakage observation chamber through a pipeline, a detected valve pair is mounted on the detection platform and communicated with the pipeline through a detection platform air suction port, bubble observation liquid is filled in the leakage observation chamber, and liquid level of the bubble observation liquid is higher thanan observation box air suction port formed at a position where the pipeline is connected with the leakage observation chamber; the leakage observation chamber is connected with the vacuum pressure meter and the pressure maintaining valve through a pressure meter three-way joint, liquid level of the bubble observation liquid is lower than an observation box air exhaust port formed at a position where the leakage observation chamber is connected with the pressure meter three-way joint and the detection platform air suction port, and the pressure maintaining valve is connected with the vacuum pump. By the valve pair sealability detection device and method, sealability detection accuracy, detection efficiency and detection standards of the valve pair for an oil pump can be improved, and sealability quality of the valve pair is improved.

The invention relates to the field of copper foils, and particularly relates to a low-profile electrolytic copper foil for a high-density interconnected circuit board. The electrolytic copper foil sequentially comprises a copper foil layer, a roughening treatment layer, a protective barrier layer, a passivation layer and a silane coupling agent layer, wherein the thickness of the copper foil layeris 6-35 [mu]m, the weight per unit area is 50-30 g / m<2>, the weight deviation per unit area is less than 5%, the tensile strength is not less than 350 N / mm<2> at the temperature of 25 DEG C, , the elongation is not less than 4% at the temperature of 25 DEG C, the peel strength is not less than 0.7 kg / cm, the smooth surface Ra is not more than 0.43 [mu]m, and the rough surface Rz is not more than3.5 [mu]m. The electrolytic copper foil provided by the invention is simple in raw material, non-toxic, harmless, safe and environment-friendly, has excellent normal-temperature tensile strength and high-temperature tensile strength, can tolerate the high temperature of 200 DEG C, can meet better flatness and low profile tolerance, is simple to operate, can completely meet the requirements of themarket on the electrolytic copper foil for the high-density interconnected circuit board, is high in additional value, and wide in environment applicability, and has the obvious market competitiveness.

A production method for screw elements (1) with a screw body (3) with an axially through-opening (5) with internal gearing (7) for mounting on a support shaft and an outer contour (9) for closely meshing twin-shaft extruders. A metallic powder material (13) is arranged step by step in layers in the direction of a production axis (Z-Z) on a work platform (11), wherein a laser beam (19) for each layer of the screw element (1) irradiates the powder material (13) according to the data of a three-dimensional model in a specific irradiation sequence at specific sites of the layer. The powder material (13) is melted, fully in places, and bonded with the directly underlying layer, so that after hardening of the layers, a complete, stable screw body (3) is produced. Further, the invention relates to a screw element produced in this way.

The invention discloses a polishing method for compressor blades of small and medium-sized aero-engines, which comprises the following steps of: dividing blade polishing areas, dividing a blade profile into a plurality of polishing areas, determining a polishing track and selecting a polishing tool; selecting polishing parameters of different areas, and determining the different polishing parameters according to the space shapes, the space sizes and the machining allowances of the different areas of the blade; performing polishing method verification: performing polishing method verification on the obtained polished blade according to the polishing area, the polishing track and the polishing parameters, and comparing the obtained polished blade with a manually polished blade; determining a polishing method, and correcting polishing area division, polishing tracks of all areas and polishing parameters of all the areas in combination with a verification test; and according to the corrected polishing area division, the polishing track of each area and the polishing parameters of each area, conducting polishing on the compressor blades of the small and medium-sized aero-engines.

The invention discloses an active light hand-held target and a cooperation mark point identification method thereof. The active light hand-held target comprises a target main body, a wireless switch controller, a handle, a light modifying plate, a diffuser plate, a light source aluminium substrate, and a measuring head. The wireless switch controller is disposed above the handle. The light modifying plate is disposed inside the light modifying plate groove of the target main body. The diffuser plate is fixedly adhered to the surface of the light modifying plate. The light source aluminium substrate is fixed on the back of the target main body. The handle is disposed on the back of the light source aluminium substrate. The measuring head is fixed at the tail of the target main body. The light modifying plate is equipped with a plurality of light-transmitting circular holes that are taken as cooperation mark points, an active light source is disposed on the light source aluminium substrate to correspond to each cooperation mark point, and the diffuser plate is provided with light equalizing films that correspond to the cooperation mark points. The active light hand-held target is convenient to use, is wide in viewing angle and usage scope, and is also high in detection precision.

The present invention provides a slurry composition and use thereof. The total amount of the slurry composition is 100wt%. Furthermore the slurry composition comprises grinding particles and a solvent. The content of the grinding particles is between 30wt% and 60wt%. Furthermore true ball factor of the grinding particles is 0.9-1.0. The content of the solvent is between 40wt% and 70wt%. The grinding composition can greatly reduce the grinding temperature.

The invention discloses a manhole cutting auxiliary tool suitable for different round covers. The manhole cutting auxiliary tool comprises a bottom plate. The upper end of the bottom plate is providedwith a rotating base. The rotating base is internally provided with a rotating shaft. The upper end of the rotating shaft is fixedly provided with a sliding platform. The two ends of the sliding platform are provided with lead screw bases. The lead screw bases are internally provided with a bi-directional lead screw. The bi-directional lead screw is located in the sliding platform. The center ofthe bi-directional lead screw coincides with the center of the rotating base. The bi-directional lead screw is provided with two centrosymmetric sliding bases. The sliding bases are fixedly provided with upper supporting plates. The sides, facing the center of the bi-directional lead screw, of the upper supporting plates are provided with two supporting rods. The supporting rods are symmetric withrespect to the length direction of the bi-directional lead screw. The upper ends of the supporting rods are provided with positioning rods. The bottom plate is provided with an L-shaped support. Thefront end of the support is provided with a burning torch positioning hole, and the distance between the burning torch positioning hole and the center of the bi-directional lead screw is the radius ofa manhole. Compared with the traditional cutting method, the manhole cutting auxiliary tool has the beneficial effects of being high in cutting precision, the profile tolerance of the manhole is good, the following manhole cover installation error is small, and meanwhile the manhole cutting auxiliary tool is suitable for cutting operation of different sizes of water tank covers.

The invention relates to a method for detecting the surface profile of a wire wheel for multiwire saw wire cutting. At present, the surface profile of the wire wheel can only be manually measured in the field of solar energy, no specific instrument can be used for measurement, so that the measurement results are rough, and the accuracy is not high. A device for detecting the surface profile of the wire wheel for multiwire saw wire cutting comprises a rack, wherein a rocking handle, a disc, a support frame, rails and a support seat are arranged on the rack; two rails are symmetrically arranged on the rack, and the bottom of the support seat is slidably connected with the rack through the rails; the support frame is arranged on the support seat, and the bottom of the support frame is slidably connected with the support seat through a slideway; and the disc is arranged at the lower part of the support seat, and the rocking handle is connected with the disc through a crank arm and a connecting part. The invention has the advantages of capability of adjusting levelness and measuring the wire wheels with different specifications and sizes, the invention has convenient operation and high measurement accuracy, more advanced connection is adopted, and automation can be realized.

The invention provides a hard alloy valve seat turning tool. The hard alloy valve seat turning tool is made of a fine-granularity hard alloy, and the grain size is equal to or smaller than 0.5 [mu]m.The hard alloy valve seat turning tool is overall made of the hard alloy. A tool handle is provided with an upper plane and a lower plane, and clamping is convenient. A front corner cutting edge is inparallel with the planes of the tool handle, and it is ensured that after tool clamping is finished, the cutting position of the tool is correct. When a stainless steel valve seat is machined throughthe hard alloy valve seat turning tool, the cutting speed of the turning tool is 680-720 r / min, the linear speed is 14.5-20.5 m / min, and the feeding speed is 0.035-0.045 mm / r. When a high-temperaturealloy valve seat is machined through the hard alloy valve seat turning tool, the cutting speed of the turning tool is 280-320 r / min, the linear speed is 6.8-8.0 m / min, and the feeding speed is 0.025-0.035 mm / r. The hard alloy valve seat turning tool has the advantages of being high in hardness, good in abrasive resistance, high in machining efficiency, long in service life and the like.

The purpose of the present invention is to provide a device with millimetric grading for osteotomy and a method of treatment for bone tissue osteotomy using said device with millimetric grading in periodontal plastic surgery for aesthetic purposes and periodontal surgery to increase the clinical crown for prosthetic purposes.

The invention provides a capacitor for connecting IGBTs in parallel and a manufacturing process and an application method thereof. The capacitor comprises a core injection molding assembly, a negativeelectrode copper bar, a positive electrode copper bar and a shell, wherein the core injection molding assembly includes an injection molding body and a plurality of capacitor film cores which are arranged in an array and penetrate through the injection molding body; the positive electrode copper bar and the negative electrode copper bar are not contacted; and the shell is formed by injection molding after the positive electrode copper bar and the negative electrode copper bar are connected to the core injection molding assembly. The manufacturing process comprises the steps of arranging a plurality of capacitor film cores in an array and then carrying out low-pressure injection molding to form an integrated core injection molding assembly; acquiring a positive electrode copper bar and a negative electrode copper bar by adopting stamping molding; welding the positive electrode copper bar and the negative electrode copper bar to the core injection molding assembly; placing the welded core injection molding assembly, the positive electrode copper bar and the negative electrode copper bar into an injection molding mold for fine positioning, and performing high-pressure injection molding; and compounding the positive and negative copper bars, the capacitor core and the plastic shell into a whole through the integrated injection molding process. The capacitor has the advantages of good shock resistance, good heat conductivity and small volume and mass.

The invention relates to a computer tomography method for the detection of a cyclically moved object in an examination zone. First, after the acquisition of the measured values, a rough image of the examination zone is reconstructed from which a region relevant for the further method is selected. For the generation of an image with reduced motion artifacts or improved temporal resolution, reconstruction windows in predefinable position are used, which are optimized in such a way that they are, on the one hand, smallest possible, on the other hand, however, sufficiently large, to be able to reconstruct all voxels of this region. Only measured values acquired within the reconstruction windows are taken into account for the reconstruction of a CT image of the region.

The invention discloses a white leather strip and collodion silk one-hole two-wool drilling and planting process. The process comprises the following steps of 1, installing a brush handle; 2, drillingholes; 3, moving the brush handle; 4, carrying out wool planting by a wool planting mechanism and synchronously performing drilling by a drilling mechanism; 5, replacing and installing the brush handle, and synchronously carrying out one-hole two-wool planting and drilling; and 6, repeating the steps 1-5 until one-hole two-wool planting and drilling work of all the brush handles is completed. Theprocess has the advantages that two wool materials are synchronously planted into the same wool planting hole, the working efficiency is relatively high, the service life of the brush handle is prolonged, and the using effect of the brush handle is improved. The invention further discloses a device adopting the white leather strip and collodion silk one-hole two-wool drilling and planting process.

The invention discloses a luminous stereoscopic dial assembly structure of an automobile, which comprises a dial, an aperture, a nameplate and a front meter frame, wherein a clamping groove and a hot riveting hole are formed in the aperture; the bottom of an external wall at the edge of the dial is clamped into the clamping groove; a hot riveting post penetrating through the hot riveting hole and fixed by hot riveting is arranged on the dial; and the nameplate is close to the aperture. With the adoption of the structure, the luminous stereoscopic dial assembly structure has the following advantages that 1, an effect of a 3D (three dimensional) nameplate can be achieved by the matching of the plane nameplate, the cost can be lowered, and the achieved 3D effect is more distinct in outline; and 2, the uniform aperture can be formed at the outer edge of the dial. A novel dial effect is achieved with lower cost and higher reliability.

The invention discloses a glasses material and a manufacturing method thereof, the glasses material comprises a glasses lens and a glasses frame, the glasses lens comprises an ultraviolet-proof substrate, the surface of the ultraviolet-proof substrate is provided with a light filtering film, the light filtering film is formed by attaching a light filtering hardening liquid to the surface of the substrate, the light filtering hardening liquid is formed by mixing nanoscale powder prepared from a phthalocyanine metal complex compound, an organic silicon monomer and a diluent, the glasses frame is formed by compounding double metal layers, and the double metal layers comprise a metal titanium layer and a metal aluminum layer from inside to outside in sequence. According to the invention, the processing technology is simplified, the production efficiency is improved, raw materials are saved, the production cost is reduced, the strength and hardness are good, the later-stage technology of glasses manufacturing is simple, the weight is light, the transportation of semi-finished products in the production process is convenient, the logistics and production management are greatly simplified, the production efficiency of the glasses frame is improved, the manufactured glasses are stable and firm in structure, long in service life, firm, durable and rich in aesthetic feeling.

The invention discloses a technique of drilling and hair-planting white leather strips and rubber threads with one hole and two plantings. It includes the following steps: step 1: install the brush handle; step 2: drill holes; step 3: move the brush handle; Hair transplanting and drilling are carried out simultaneously; Step 6: Repeat steps 1 to 5 until the hair transplanting and drilling work of one hole and two hairs of all brush handles is completed. The invention has the advantages of synchronously planting two kinds of wool materials in the same hair planting hole, high working efficiency, prolonging the service life of the brush handle and improving the use effect of the brush handle. The invention also discloses a device adopting the above-mentioned white leather strip and glue thread, one hole, two planting, drilling and hair planting techniques.

The invention discloses an active light hand-held target and a cooperation mark point identification method thereof. The active light hand-held target comprises a target main body, a wireless switch controller, a handle, a light modifying plate, a diffuser plate, a light source aluminium substrate, and a measuring head. The wireless switch controller is disposed above the handle. The light modifying plate is disposed inside the light modifying plate groove of the target main body. The diffuser plate is fixedly adhered to the surface of the light modifying plate. The light source aluminium substrate is fixed on the back of the target main body. The handle is disposed on the back of the light source aluminium substrate. The measuring head is fixed at the tail of the target main body. The light modifying plate is equipped with a plurality of light-transmitting circular holes that are taken as cooperation mark points, an active light source is disposed on the light source aluminium substrate to correspond to each cooperation mark point, and the diffuser plate is provided with light equalizing films that correspond to the cooperation mark points. The active light hand-held target is convenient to use, is wide in viewing angle and usage scope, and is also high in detection precision.

The invention discloses a three-dimensional model generation method. The method comprises the following steps: acquiring a target video frame comprising a target object; extracting a two-dimensional coordinate of a key position on the body of the target object from the target video frame; carrying out the matching calculation on the two-dimensional coordinates through a model database, and obtaining the target attitude transformation parameters matched with the two-dimensional coordinates, wherein the model database comprises multiple sets of reference attitude transformation parameters and reference three-dimensional coordinates with the corresponding relation, the reference posture transformation parameter is used for indicating a transformation parameter for transforming the body posture of the reference object from an initial posture to a reference posture, and the reference three-dimensional coordinate is a three-dimensional coordinate of a key position on the body of the reference object under the reference posture; and transforming a reference human body model corresponding to the reference object according to the target posture transformation parameter to obtain a target human body three-dimensional model matched with the target object. According to the invention, the technical effect of improving the fitting degree with the special effect rendering effect when the human body three-dimensional model is applied to the special effect rendering is realized.

The invention relates to an etching method of a high aspect ratio opening, the etching method comprises: forming an opening by anisotropically etching the layer to be etched to be etched with a plasma etching condition having a polymer reaction, and the polymer reaction will A polymer film is formed on the sidewall of the opening and the bottom of the opening. This polymer film will slow down the plasma etching rate or even stop the etching. The polymer at the bottom of the opening is etched non-uniformly by another plasma etching condition. until the polymer film located at the bottom of the opening is completely stripped off, and then continue to anisotropically etch the material layer under the original plasma etching conditions until the etching of the opening is completed. The invention can effectively prevent the occurrence of the situation of stopping etching, and there will be no phenomenon of unclean etching.

The invention provides a 3D curved glass forming mold applied to the technical field of electronic display devices, and further relates to a 3D curved glass forming method, an upper mold (1) of the 3D curved glass forming mold is provided with an inclined boss I (5) and an inclined boss II (6), a movable sliding block I (3) is provided with a flat boss I (7), a movable sliding block II (4) is provided with a flat boss II (8), and the inclined boss I (5) and the inclined boss II (6) are arranged on the upper mold (1). The movable sliding block I (3) is provided with two inclined sliding grooves I (9), the movable sliding block II (4) is provided with an inclined sliding groove II (10), the lower mold (2) is provided with a glass molding part (11), the lower mold (2) is provided with a smooth sliding groove I (13), and the lower mold (2) is provided with a smooth sliding groove II (15). The hot bending forming of special-shaped, complex-structure or concave 3D curved glass products is conveniently and quickly realized, the problems of distortion, poor flatness and poor profile tolerance of a forming area in the forming process are solved, and the production efficiency is improved.