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46results about How to "Promote enhancement" patented technology

Detection and recognition method of human face in video under low-light conditions

The invention relates to the field of computer vision, and refers in particular to a detection and recognition method of human face in video under low-light conditions. The system aims at the specific problem of recognizing human face under low-light conditions, and is designed to satisfy the video system with a recognition function of human face under low-light conditions. An algorithm of the system consists of three steps: 1. preprocessing the video image of human face under low-light conditions, based on fuzzy theory; 2. training with a classifier, based on human face detection algorithm of Adaboost; 3. recognizing human face in modeling Video, based on feature fusion. The result of recognizing human face can finally be obtained. Actually, the method can be embedded in FPGA to be used in the video camera monitoring system or cameras with the recognition function of human face. The method has the advantages of good in stability, high in recognition rate, high in speed of calculation, effective in recognizing face feature under low-light conditions, applicable to various systems, such as night vision monitoring system and verifying system of identity under low-light conditions, and strong in practicality.
Owner:HUNAN VISION SPLEND PHOTOELECTRIC TECH

Light-stream control system based on gold-nanoparticle modified carbon nanotube array surface enhanced Raman scattering

The invention relates to a light-stream control system based on gold-nanoparticle modified carbon nanotube array surface enhanced Raman scattering and used for molecule detection. According to the system, a carbon nanotube array is used as a nanometal structure carrier, and gold nanoparticles are deposited on the carbon nanotube array carrier, thus a substrate with the three-dimensional surface enhanced Raman scattering activity is formed, wherein the substrate serves as the detection zone of a microchannle in the system; a laser source is introduced into the substrate through an optical fiber and scatters light on the substrate; the scattering light is educed on a spectrometer through an optical fiber to test a spectrum; and a pressure regulating device ensures the smooth flowing of a molecule under test in the microchannle. The substrate with the three-dimensional surface enhanced Raman scattering activity is simple in manufacturing process and low in cost and is free from toxin and pollution. The carbon nanotube array has a large surface area, thus the gold nanoparticle filling effect is improved effectively, the Raman scattering cross section is increased, and the strength of a Raman scattering signal is enhanced. By introducing in the laser through the optical fiber and collecting the Raman scattering light, the traditional micrographic focusing and aligning is omitted. The system is small in volume and low in cost and facilitates the online molecule detection.
Owner:CHONGQING UNIV

Non-downsampling contourlet transformation-based method for enhancing remote sensing image road

The invention discloses a non-downsampling contourlet transformation-based method for enhancing a remote sensing image road, which mainly solves the problems that the road enhanced by the prior art has large distortion and inaccurate road target detection. The method comprises the realization processes of: firstly carrying out 3 layers of non-downsampling contourlet transformation on a remote sensing image, wherein the numbers of the transformed directions of each layer are 4, 4 and 8 arranged from high to low; setting corresponding structural elements according to the numbers of the transformed directions of each layer; then carrying out directional enhancement on transformed coefficients by using the structural elements in the close direction; calculating the direction of each pixel point in the image to acquire a direction matrix of the image; processing noises and backgrounds in the enhanced coefficients through the direction matrix; and carrying out contourlet inverse transformation on the processed enhanced coefficients to acquire an enhancement result of the image. The method can keep the original width of the road when the road is enhanced so as to ensure that the detection of subsequent roads is more accurate, and can be used for analyzing and processing the remote sensing image road.
Owner:XIDIAN UNIV

Lightweight high-strength carbon fiber composite hydrocylinder

The invention provides a lightweight high-strength carbon fiber composite hydrocylinder. The hydrocylinder comprises metal heads, a hydrocylinder piston, a metal liner formed by a hydrocylinder barrel, fixing parts, metal lantern rings and sealing rings, the metal liner is externally and integrally coated with a reinforcing layer formed by a carbon fiber composite, the metal lantern rings are sleeved outside the reinforcing layer which is formed by taking thermosetting resin as a matrix and carbon fiber as a reinforcement, and the thermosetting resin matrix accounts for 23-40% of the reinforcing layer by weight. Compared with all-metal hydrocylinders in the prior art, the lightweight high-strength carbon fiber composite hydrocylinder has the advantages that strength, rigidity and fatigue resistance of the hydrocylinder are all obviously improved under various working conditions, so that safety of the hydrocylinder is improved effectively, weight is reduced by 30-65%, and the objectives of mechanical pump truck weight reduction and complete truck cost reduction are achieved.
Owner:HENGSHEN

Image intensifier tester

The invention relates to an image intensifier tester which comprises a soleplate, a housing, a target plate projector, a clamping regulator, a light source, a microscope, an illuminantion meter and aluminance meter; and the housing, the target plate projector, the clamping regulator and the microscope are all installed on the soleplate, the target plate projector and the clamping regulator are positioned in the housing, the housing is provided with a housing door, the light source is connected with a light source interface of the target plate projector, the clamping regulator is used to clampthe image intensifier and adjust the position of the image intensifier, a projection outlet of the target plate projector is arranged towards the light input surface of the image intensifier, the housing is provided with an observation port towards the light output surface of the image intensifier, an object lens of the microscope extends into the housing via the observation port, both the illuminantion meter and the luminance meter are rotatably arranged in the inner wall of the housing, the illuminantion meter can be rotated to the projection direction of the target plate projector, and theluminance meter can be rotated to the light output direction of the image intensifier. The image intensifier tester is multifunctional, accurate in measurement and compact in structure.
Owner:ARMY ENG UNIV OF PLA

Method for preparing Al2O3 composite powder with uniformly dispersed carbon nanotubes by in-situ synthesis process

The invention discloses a method for preparing Al2O3 composite powder with uniformly dispersed carbon nanotubes by an in-situ synthesis process, which comprises the following steps: proportionally preparing aluminum nitrate, nickelous nitrate and citric acid into a solution, and heating and calcining the obtained solution to initiate the combustion reaction, thereby obtaining the NiAlxO3x+1 solid solution catalyst precursor powder; and putting the obtained solid solution in a pipe furnace, introducing a gas mixture containing methane, hydrogen and nitrogen, heating to reaction temperature, reacting for some time, and cooling to obtain the Al2O3 composite powder with uniformly dispersed carbon nanotubes. The content of the catalyst nickel is controlled to control the content of the carbon nanotubes; and meanwhile, the invention solves the problem that the carbon nanotubes can not be easily dispersed in the ceramic matrix, so that the nanotubes are uniformly dispersed in the product.
Owner:WUHAN UNIV OF TECH

Glass fiber reinforced NPG-PETG transparent composite material and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a glass fiber reinforced NPG-PETG transparent composite material and a preparation method thereof. The glass fiber reinforced NPG-PETG transparent composite material is prepared from, by weight, 50-95 parts of NPG-PETG, 5-50 parts of modified glass fiber, 0.1-3 parts of an antioxidant and 0.3-2 parts of a lubricant; the NPG-PETG used in the invention is prepared by esterification and polycondensation of three monomers of neopentyl glycol (NPG), ethylene glycol and terephthalic acid, and has good fluidity and high gloss. The modified glass fiber is blended into the NPG-PETG, so that the prepared glass fiber reinforced NPG-PETG composite material keeps transparent while having high impact strength, heatresistance, high modulus, high rigidity and high surface gloss.
Owner:腾龙特种树脂(厦门)有限公司

Algorithm for predicting pyramid feature map

The invention discloses an algorithm for predicting a pyramid feature map. The algorithm comprises the following steps of: selecting and dividing a data set, and carrying out preprocessing operation on pictures input by the data set; modifying a head part of an FCOS-like network architecture and setting the head part as a new network structure; sending the input data into a backbone network to obtain a feature map of the input data, carrying out regression operation on each point of the feature map, and carrying out network training to obtain a network model; applying a pre-trained network model to the test picture, and obtaining a prediction result from a plurality of Heads of the feature pyramid; according to the method, the head network of a prediction network part is improved by adopting a lightweight simple model to obtain the prediction results of the feature maps on different levels, and then the prediction results of the pyramid feature maps on different levels are combined toobtain the final prediction result, so that the accuracy of the method is remarkably improved compared with that of an SOAT method in the current target detection field.
Owner:FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST +1

Image enhancement method and system

The invention discloses an image enhancement method and system, and the method comprises the steps: carrying out the super-resolution of an input image I, obtaining an image I ', carrying out the stationary wavelet transformation of the image I', and obtaining a low-pass sub-band L; carrying out stationary wavelet transform on the input image I to obtain detail sub-bands Hh, Hv and Hd, then respectively enhancing the detail sub-bands Hh, Hv and Hd, and then carrying out super-resolution; and performing inverse stationary wavelet transform on the low-pass sub-band L and the detail sub-bands Hh,Hv and Hd after super-resolution to obtain an enhanced image. The system comprises a first super-resolution module, a first stationary wavelet transform module, a second stationary wavelet transformmodule, a detail sub-band enhancement module, a second super-resolution module and an inverse stationary wavelet transform module. According to the image enhancement method and system based on the improved FSRCNN, the obtained enhanced image is clear in detail, high in contrast ratio, good in visual effect, excellent in objective evaluation index and good in real-time performance.
Owner:SHANGHAI RONGJUN TECH

Infrared image enhancement method and system

The invention provides an infrared image enhancement method and system. The method comprises the steps of obtaining a stable wavelet transformation result and a saliency map corresponding to an infrared image, wherein the stable wavelet transformation result comprises a low-pass sub-band and a detail sub-band; carrying out contrast increase processing on the low-pass sub-band, and carrying out linear enhancement processing on the detail sub-band to obtain an enhanced low-pass sub-band and an enhanced detail sub-band; performing low-pass filtering and threshold segmentation processing on the saliency map to obtain a processed saliency map; carrying out dot multiplication processing on the enhanced detail sub-bands and the processed saliency map to obtain fused detail sub-bands; and based onthe enhanced low-pass sub-band and the fused detail sub-band, carrying out stable wavelet inverse transformation to obtain an enhanced infrared image. According to the invention, the infrared image enhancement processing efficiency and real-time performance can be effectively improved.
Owner:SHANGHAI RONGJUN TECH

Core-shell hollow Cu(OH)2@Au@Co(OH)2 composite material as well as preparation method and application thereof

The invention discloses a core-shell hollow Cu(OH)2@Au@Co(OH)2 composite material as well as a preparation method and application thereof. The microstructure of the product is controlled by adjustingthe injection rate of a raw material liquid, a synthesized precursor Cu2[Fe(CN)6]3@Au@Co2[Fe(CN)6]3 has a regular cubic morphology, nano gold particles are uniformly distributed at the core-shell interface, and the conductivity of the composite material is remarkably improved. NaOH with different concentrations is used for etching the precursor, and the generated Cu(OH)2@Au@Co(OH)2 crystal has a three-dimensional nano flower-like morphology, a large specific surface area and multiple catalytic sites. An electrochemical sensor prepared from the Cu(OH)2@Au@Co(OH)2 composite material is suitablefor enzyme-free detection of glucose in serum, and has the advantages of high sensitivity, strong stability and good selectivity.
Owner:WENZHOU INST UNIV OF CHINESE ACAD OF SCI

Preparation method of machine air filter paper

The invention relates to the technical field of filter paper, and discloses a preparation method of machine air filter paper. The preparation method includes the steps: soaking raw paper into trimesoyl chloride solution; soaking the raw paper into oil-phase solution; soaking the raw paper into 1, 2, 6-hexanetriol water-phase solution; performing interfacial polymerization reaction on the raw paperin the water-phase solution to generate polyurethane polymer resin; covering the surface of the raw paper with a polyurethane resin protection layer. The resin protection layer is connected with theraw paper through the bonding action force of a chemical bond, the resin protection layer and the raw paper cannot be easily separated under the influence of outside conditions, so that the raw paperis protected for a long time, and the service life of the machine air filter paper is prolonged.
Owner:马鞍山华旺新材料科技有限公司

Image detail enhancement method and device based on guided filter regularization parameters and electronic equipment

The invention discloses an image detail enhancement method and device based on guide filter regularization parameters, and electronic equipment, belongs to the technical field of infrared image processing, and comprises the steps: calculating the gray-level variance of pixels contained in a guide filter window, so as to obtain a statistical histogram of the local variance of an image; dividing a statistical histogram of the local variance of the image according to a preset threshold value; obtaining a guided filtering parameter according to a division result of the statistical histogram; and enhancing infrared image details according to the guided filtering parameters. According to the invention, the technical effects of adaptively selecting the regularization parameter epsilon of the guide filter, enhancing the scene adaptability, simplifying the process and improving the accuracy are achieved.
Owner:EZHOU INST OF IND TECH HUAZHONG UNIV OF SCI & TECH +1

Two-dimensional heterojunction photovoltaic cell

The invention relates to a two-dimensional heterojunction photovoltaic cell, and belongs to the field of photovoltaic cells. The two-dimensional heterojunction photovoltaic cell comprises a fixed layer, a two-dimensional material heterojunction and an optical micro cavity, wherein the two-dimensional material heterojunction is arranged in the optical micro cavity, and two ends of the optical microcavity are fixedly connected to the fixed layer. The two-dimensional material heterojunction has the beneficial effects that sunlight irradiates the optical micro cavity, the sunlight in the opticalmicro cavity is reflected by the optical micro cavity, so that the light ray absorption of the two-dimensional material heterojunction is improved, meanwhile, the automatic radiation three-dimensionalangle of the photovoltaic cell is reduced, the automatic radiation loss of the photovoltaic cell is reduced and the efficiency of the photovoltaic cell is improved.
Owner:GUIZHOU MINZU UNIV

Synthesis method for SML hyperdispersant

Belonging to the technical field of hyperdispersants, the invention specifically relates to a synthesis method for an SML hyperdispersant. The invention provides a system for designing the structure of SML series dispersants, at the same time applies the synthesized hyperdispersant to inorganic powder dispersion and plastic filling systems. The method adopted by the invention comprises the steps of: 1. adding an emulsifier and a certain amount of dodecyl acrylate into a 250mL three-neck flask equipped with a thermometer, a condensing tube and a stirrer, conducting polymerization at 60-80DEG C for 30-44min, raising the temperature to 85DEG C, adding maleic anhydride, styrene and an ammonium persulfate initiator slowly by a constant flow pump totally within a predicted time of 3h, 30min later, raising the temperature to 90DEG C till no reflux in the condensing tube, lowering the temperature to less than 40DEG C, and taking the product out; and 2. adding 1kg of calcium sulfate powder into a high-speed stirring machine heated to 140DEG C in advance, carrying out high speed stirring for 5min, then adding the synthesized SML hyperdispersant, further performing stirring for 15min, and then conducting discharging.
Owner:徐丽萍

Polypropylene composite material and preparation method and application thereof

The invention discloses a polypropylene composite material and a preparation method and application thereof. The polypropylene composite material is prepared by blending 40-60 parts by weight of high-melt-index polypropylene, 15-30 parts by weight of medium-melt-index polypropylene, 5-15 parts by weight of low-melt-index polypropylene, 1-20 parts by weight of an elastomer, 0.05-0.5 part by weight of a nucleating agent, 0.05-0.5 part by weight of a compatilizer, 1-20 parts by weight of basic magnesium sulfate whiskers and 0.5-3 parts by weight of an auxiliary agent and then extruding the mixture through a double-screw extruder, and the distribution of shearing blocks of the main feeder and the side feeder as well as the side feeder and the machine head of the double-screw extruder is adjusted, so that the obtained polypropylene composite material has the characteristics of high flowability, high rigidity, high toughness and low density.
Owner:重庆会通科技有限公司

Wear-resistant scratch-resistant antibacterial BOPET film and preparation method thereof

InactiveCN111907165AGood wear resistance and scratch resistanceImprove scratch resistanceSynthetic resin layered productsFlat articlesPtru catalystBoPET
The invention discloses a wear-resistant scratch-resistant antibacterial BOPET film. The film is composed of a surface layer A, a core layer B and a bottom layer C. A thickness ratio of the surface layer A to the core layer B to the bottom layer C is (2-5): (20-40): (2-5); the surface layer A and the bottom layer C are located on the two sides of the core layer B; the surface layer A is an antibacterial layer; the core layer B is a filling layer; and the bottom layer C is wear-resistant scratch-resistant layer; The surface layer A comprises the following raw materials: PET slices, a compositeantibacterial agent, a catalyst and a stabilizer. The core layer B is a PCTG copolyester slices. The bottom layer C comprises the following raw materials: PET slices, a toughening agent, a KH550 silane coupling agent, a functional additive, a catalyst and a stabilizer. The invention also discloses a preparation method of the wear-resistant scratch-resistant antibacterial BOPET film. The BOPET filmprepared by the invention has the advantages of wear resistance, scratch resistance, lasting antibacterial property; and the method is simple in production process, wide in raw material sources and low in production cost.
Owner:李法雷

Communication wireless transmission device for mining protector

The invention discloses a communication wireless transmission device for a mining protector, and relates to the technical field of communication in mines. The device comprises a bottom plate, a transmission device body and a signal reinforcing mechanism, a hollow layer is arranged below the transmission device body, cooling fans are arranged on the two sides of the top end of the hollow layer, thesignal reinforcing mechanism comprises a rotating block, a first connecting plate and a first antenna, and a second antenna is arranged at the upper end of the first antenna; the upper end of first connecting plate is rotationally connected with an arc-shaped reflecting plate; a sleeve is arranged on the right side of the transmission device body, the bottom of the sleeve is fixed to the bottom plate, the lower end of a supporting rod is inserted into the sleeve and connected with the sleeve through a fixing screw, a mounting frame is arranged at the upper end of the supporting rod, and a flexible reflecting plate is arranged in the mounting frame. The defects in the prior art are overcome, the model receiving strength of the wireless transmission device is effectively improved, the wireless transmission device is convenient to move, multi-angle signal receiving is facilitated, and the use convenience is improved.
Owner:HEFEI SWITCH FACTORY

Tea-dust feed additive for improving egg laying performance of laying hens and preparation method thereof

InactiveCN104757271ANaturalHas anti-inflammatory and antibacterial propertiesAnimal feeding stuffSocial benefitsAnimal science
The invention relates to a tea-dust feed additive for improving egg laying performance of laying hens and a preparation method thereof. According to the preparation method of the tea-dust feed additive for improving the egg laying performance of the laying hens, disclosed by the invention, tea dust is mixed with 10 kinds of Chinese herbal medicines, the preparation method is simple, convenient and feasible, the operation is simple, the requirements on equipment are not high, and a large space is not occupied; the prepared tea-dust feed additive can be used for remarkably improving the laying performance of the laying hens and further has the advantages of environment friendliness and healthy consumption. According to the tea-dust feed additive and the preparation method thereof, the tea dust generated during the production, transportation and packaging of tea is fully utilized, and waste resources are changed into feed, so that a novel organic and environment-friendly feed source is provided for feed industry; meanwhile, environmental pollution and enterprise cost investment, resulting from a tea dust treatment process, are effectively reduced, so that the economic value and social benefit are remarkable.
Owner:FUJIAN AGRI & FORESTRY UNIV

TiNx reinforced high-entropy alloy combined Ti(C,N) based composite material and preparation method thereof

The invention relates to the technical field of composite materials, in particular to a TiNx reinforced high-entropy alloy combined Ti(C,N) based composite material and a preparation method thereof. The preparation method of the TiNx reinforced high-entropy alloy combined Ti(C,N) based composite material is provided. According to the TiNx reinforced high-entropy alloy combined Ti(C,N) based composite material and the preparation method thereof, CoCrNiCuMn is used as a binder of Ti(C,N) based hard alloy, TiC and non-stoichiometric ratio TiNx (x=0.3-0.9) are used as the hard phase, AlN is used as the reinforced phase, the method of vacuum hot-pressing sintering is adopted for preparing the novel Ti(C,N) based hard alloy, the sintering temperature can be lowered on the basis of improving themechanical property, the preparation process is simplified and production cost is reduced.
Owner:YANSHAN UNIV

An image intensifier tester

The invention relates to an image intensifier tester which comprises a soleplate, a housing, a target plate projector, a clamping regulator, a light source, a microscope, an illuminantion meter and aluminance meter; and the housing, the target plate projector, the clamping regulator and the microscope are all installed on the soleplate, the target plate projector and the clamping regulator are positioned in the housing, the housing is provided with a housing door, the light source is connected with a light source interface of the target plate projector, the clamping regulator is used to clampthe image intensifier and adjust the position of the image intensifier, a projection outlet of the target plate projector is arranged towards the light input surface of the image intensifier, the housing is provided with an observation port towards the light output surface of the image intensifier, an object lens of the microscope extends into the housing via the observation port, both the illuminantion meter and the luminance meter are rotatably arranged in the inner wall of the housing, the illuminantion meter can be rotated to the projection direction of the target plate projector, and theluminance meter can be rotated to the light output direction of the image intensifier. The image intensifier tester is multifunctional, accurate in measurement and compact in structure.
Owner:ARMY ENG UNIV OF PLA

Novel dye-sensitized semiconductor composite material electrode

The invention discloses a novel dye-sensitized semiconductor composite material electrode. According to a photoelectric reaction system, dye used by the sensitized electrode expands the light absorption range and enhances light utilization of the system, the recombination of photon-generated carriers is reduced through the injection of a large number of electrons so as to enhance photoelectric signals, and the light absorption and utilization effects of the system are further more excellent through narrow-band-gap Bi2S3 and wide-band-gap TiO2 used by the system. And compared with other systems for gain of the photoelectric system, the electrode has greater advantages and prospects.
Owner:UNIV OF JINAN

Transform-based underwater image enhancement method

PendingCN114359091AEnhanced detailsGood enhancementImage enhancementImage codingFeature extractionEngineering
The invention relates to an underwater image enhancement method based on a Transform. The invention relates to the technical field of digital image processing and underwater image processing, and the method comprises the steps: inputting a to-be-enhanced underwater image through an input end, carrying out the down-sampling through a convolution mode through employing a multi-stage down-sampling module, and obtaining images under different scales; the global feature extraction module is used for extracting features of images under different scales in a convolution and residual block combined mode, and feature maps under different sizes are obtained; inputting the feature map with the minimum size into an encoder, and processing the feature map in a multi-level feature deepening extraction mode; block decoding is carried out on the output of the decoder, and the minimum-size feature map is recovered from the sequence to the image form again through the output of the Transformer; scale recovery is carried out through a multi-stage up-sampling module, and an output enhanced image is obtained in combination with the previous multi-stage detail deepening module.
Owner:HARBIN ENG UNIV

Device and method for assisting in estimating uniformity of chicken flocks

The invention discloses a device and a method for assisting in estimating the uniformity of a chicken flock. The method comprises the following steps: acquiring depth images of a single broiler chicken required for establishing a uniformity prediction model and weight values corresponding to the depth images for multiple times by using an early-stage data acquisition device; performing image preprocessing on the depth image of the single broiler chicken; establishing a uniformity prediction model; acquiring a depth image of the chicken flock by using a later-stage data acquisition device; performing image segmentation on the depth image of the chicken flock to obtain each segmented image; inputting each segmented image into a uniformity prediction model to predict the weight value of each broiler corresponding to each segmented image, and calculating the overall uniformity of the chicken flock; and sending the predicted weight value of each broiler chicken and the overall uniformity of the chicken flock to a client. By means of the method, chicken flock uniformity information can be quickly, accurately and efficiently obtained, so that the problems of low manual operation efficiency and high labor intensity are solved, the breeding cost is reduced, the stimulation influence on the chicken flock is avoided, and the animal welfare is improved.
Owner:SOUTH CHINA AGRI UNIV

Quinoa and erythropalum scandens meal replacement porridge and preparation method thereof

PendingCN114052179AReduced centrifugal sedimentation rateIncreased centrifugal sedimentation rateFood preservationBiotechnologyVitamin C
The invention discloses a quinoa and erythropalum scandens meal replacement porridge and a preparation method thereof. The meal replacement porridge comprises the following raw materials by weight: 60-80 parts of quinoa, 25-45 parts of corn starch, 150-200 parts of erythropalum scandens, 20-30 parts of dendrobium nobile, 10-15 parts of gynura divaricata, 15-25 parts of angelica sinensis leaves, 300-500 parts of water, 1-2 parts of vitamin C, 4-6 parts of 4-O-alpha-D-glucopyranosyl-D-glucose, 0.3-0.5 part of polyglycerol polyricinoleate and 0.7-1.2 parts of sodium alginate. The meal replacement porridge is prepared through the steps of raw material weighing, blanching, color protection, pulping, enzymolysis, colloid mill grinding, blending, homogenizing, drying, quinoa pretreatment, compounding, sterilization, packaging and the like. The quinoa and erythropalum scandens meal replacement porridge prepared by the invention has the characteristics of special flavor, high calcium, high protein and the like, can be quickly brewed and eaten by adding a proper amount of water, has an excellent uric acid reducing effect after short-term use, and can be vigorously popularized and applied.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Novel composite nano system for detecting Cu<2+>

The invention discloses a doped TiO2@AuNPs / CdS system for detecting Cu<2+>. By means of a photoelectrochemical reaction system, TiO2@AuNPs / CdS doped with non-metallic elements is used as a photoelectric signal enhancement module, rapid detection of Cu<2+> in a solution is achieved, through detection of Cu<2+> in the solution and comparison of a result with a mature laboratory fluorescence spectrometry, an atomic absorption spectrometry and the like, it is found that the detection method is simple in sample pretreatment, short in consumed time, and accurate and reliable in detection result. Thesystem can generate CuxS on the surface of the material through CdS and Cu<2+> to promote photon-generated carrier and hole recombination, so that the signal change is obvious, the detection limit islower, and the system can be used for rapid ultra-sensitive detection of Cu<2+> in waste liquid.
Owner:UNIV OF JINAN

Synthesis of novel RGO/BiVO4-Pt photoelectric material

The invention discloses synthesis of a novel RGO / BiVO4-Pt photoelectric material. Using a photoelectric reaction system, RGO / BiVO4-Pt is used as a photoelectric signal enhancement module, rapid detection of MO in the solution is realized, and the MO can be efficiently degraded. Through detecting MO in a solution, and comparing a result with a mature laboratory liquid chromatography method, the detection method is simple in sample pretreatment, short in consumed time and accurate and reliable in detection result, the system can degrade dyes through an oxidation-reduction reaction conducted through excellent electron hole separation, and the system can be used for detection and rapid degradation of dyes such as MO in waste liquid in the future.
Owner:UNIV OF JINAN

Image quality enhancement method based on bilinear interpolation and wavelet transform

The invention discloses an image quality enhancement method based on bilinear interpolation and wavelet transform. According to the algorithm, histogram equalization and bilinear interpolation enhancement are carried out on an image to maintain good detail quality, then wavelet transformation is carried out on the image after histogram equalization and an original image, each input image is divided into four sub-bands, a singular value matrix of a low-frequency sub-band image is estimated, then the image is enhanced through wavelet reconstruction, and finally, histogram matching is performed on the result image and the bilinear interpolation image to obtain an enhanced image. The method can well enhance the image.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY
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