116 results about "Batch extraction" patented technology

The invention discloses a color and singular value feature-based face in-vivo detection method, and mainly aims at solving the problem, that the existing face authenticity identification technology is complicated in calculation and low in identification rate. The method is realized through the following steps: 1) marking positive and negative samples of a face database, and dividing the samples into a training set and a testing set; 2) segmenting face images in the training set into blocks and extracting the color features and singular value features of the small blocks in the training set in batches; 3) normalizing vectors of the extracted features and sending the normalized vectors into a support vector machine classifier to train so as to obtain a training model; and 4) carrying out feature extraction on data in the testing set and predicting the features by utilizing the training model so as to obtain a classification result. The color and singular value feature-based face in-vivo detection method is capable of improving the classification efficiency and obtaining higher classification result, and can be used for the face authenticity detection in social networks or real life.

The invention relates to a kit for extracting nucleic acid by a magnetic bead-microtiter plate method and a method for extracting nucleic acid by the same. The kit comprises a kit body and a reagent, wherein, the kit body consists of a detachable microtiter plate (2) similar to an Elisa plate as well as a magnetic plate (1), and the reagent comprises magnetic beads, lysis-binding solution, washing solution A, washing solution B and eluent; the detachable microtiter plate (2) consists of micropores (4) and a pore frame (3), the micropores (4) are made from polystyrene, polyethylene or polypropylene, the bottom of each micropore is in a 'U' or 'V' shape, and the micropores (4) are classified into two forms, namely single pores and multi-connected pores; and the magnetic plate (1) is matched with the bottom of the detachable microtiter plate (2) in shape and size. The kit can be used for extracting a large quantity of the nucleic acid from a sample at one time, and has the advantages of low cost and high operating efficiency, and is simple in operation.

The invention provides an automatic batch extraction method for horizontal vector contours of buildings in satellite images. The method comprises the steps of firstly using a K-means algorithm to class the images to obtain the backbone parts of the buildings, and solving the problem of selection of initial seed points by taking mass centers of all building areas; after the areas of all the seed points are grown, separating the building areas from surrounding areas by virtue of image edge information and removing non-building areas according to characteristic parameters such as rectangularity and strip index to realize the automatic extraction of the horizontal pixel contours of the buildings; then using techniques such has Hough transformation and block processing to perform linear vector processing to the horizontal pixel contours, and finally obtaining the horizontal vector contours of all buildings in a batch. The automatic batch extraction method for the horizontal vector contours of the buildings in the satellite images is applicable to the batch and quick extraction of the horizontal vector contours of common polygonal buildings with top views which are of straight-line segment structures in the satellite images.

The invention discloses a batch extraction-rectification-separation method of a dichloromethane-methanol azeotropic mixture, and belongs to the separation technology of the rectification-separation method of dichloromethane-methanol azeotropic mixture. The method comprises the following steps of: by taking propanol, isopropanol, 1,3-propanediol, glycol, tertiary butanol, N,N-dimethylformamide or dimethyl sulfoxide as an extracting agent, wherein the mass ratio of the extracting agent to an overhead is (0.5:1)-(10:1) under normal pressure or reduced pressure, and the feeding temperature of the extraction agent ranges from 20 to 40 DEG C; controlling different temperatures at the top of an extracting rectifying tower or different reflux ratios, and obtaining a dichloromethane product, a dichloromethane-methanol transition section I, a methanol product and a methanol-extracting agent transition section II from the top of the extracting rectifying tower, respectively; when the constitution of the extracting agent of a heating kettle meets the requirements, pumping the extraction agent into a high-position storage tank, and feeding materials for next batch extraction-rectification-separation. The batch extraction-rectification-separation method of the dichloromethane-methanol azeotropic mixture has the advantages that high-purity methanol and dichloromethane products are separated out by breaking the dichloromethane-methanol azeotropic system by virtue of the extracting agent, the single-tower operations are flexible, and the equipment cost is low.

The invention discloses a system and a method for Excel plug-in data batch extraction and based on the Internet. The system comprises a visual basic for application (VBA) driving script module, a function collection module, a function analysis module, a function cache module, a function batch request module and a function backfill module. The VBA driving script module generates a VBA driving script, the function collection module collects user functions mapped by the VBA driving script module, the function analysis module analyzes functions requested by users in a queue, analyzes function parameter and analyzes whether the functions placed in the queue exist or not, results are directly returned on yes judgment, otherwise, the user functions are transmitted to a batch package module for packaging treatment. The function cache module caches requested function result data, the function batch request module packages analyzed functions, and the function backfill module triggers the recalculation process of the Excel by calling an Excel COM interface. The system and the method can improve data extraction efficiency.

The invention discloses a label management system and terminal and a label usage method and a label arrangement method based on the label management system. Label relation can be defined and managed. According to the technical scheme, before a user uses labels, the labels are defined firstly, definition includes selection of topics and types of the labels, relevant topics and types can be generated in advance by adopting a batched importing method and can be also created on the spot. When the labels are defined, the label relation is recorded. The label type selecting and using process is recorded, the label relation is recorded, and the relation between the labels and electronic documents and the user is recorded. The labels are retrieved according to the relation, and accordingly relevant electronic documents and the records are retrieved. In addition, in the retrieval mode, the shapes, colors and contents of the labels are changed in a batched mode. In the retrieval mode, relevant information is extracted in the batched mode, and information is extracted from the obtained labels.

The invention discloses a BIM model external contour rapid extraction method. The method comprises: S1, taking out three-dimensional graph data of an original BIM model and constructing a graph colormapping table; S2, performing dimension reduction processing on the three-dimensional graph data, converting the three-dimensional graph data into point data, and storing the point data in a dimensionreduction point array; S3, according to the point data stored in the dimensionality reduction point array, constructing a dimensionality reduction polygon and determining an external cube of the dimensionality reduction polygon; S4, shooting each surface of the external cube through a virtual camera to obtain a corresponding picture and an RGB value of each component pixel of the picture; and S5,according to the RGB value in each picture, obtaining graphic information in the image color mapping table, and determining an external contour of the BIM model. According to the method, external cubes of different BIM models can be rapidly extracted in batches, almost no manual intervention is needed, the BIM model contour extraction process is rapid, efficient and high in accuracy, and meanwhile data management is facilitated by using computer storage.

The invention discloses application of Opuntia ficus-indica Milpa Alta polysaccharides to the prevention and treatment of chronic neurodegenerative disease. The Opuntia ficus-indica Milpa Alta polysaccharides can improve the neurobehavioral disorder of rats, reduce the volume and cortices of cerebral infarction and the loss of hippocampal neurons, can reduce reactive oxygen species (ROS) in cells, has a good neuroprotection effect, can be taken as a medicine for preventing and treating chronic neurodegenerative disease of a central nervous system, and is used for preventing and treating chronic neurodegenerative disease of the central nervous system. The invention also provides an optimized process for extracting the Opuntia ficus-indica Milpa Alta polysaccharides. The extraction process has the characteristics of high polysaccharide yield and the like, is convenient, simple, economical and applicable, and is suitable for large-batch extraction.

The invention discloses a method, a device and a system for data extraction and pasting processing. According to the method, at least one extraction operation is monitored by a first operation system, the extraction data corresponding to the at least one extraction operation is sent to a data exchange unit, the extraction data is sent by the data exchange unit to a second operation system for data pasting, data single-time/batch extraction and pasting between different operation systems are realized. The method solves a technical problem that copy/cutting and pasting between the different operation systems can be not realized in the prior art, and technical effects of data extraction and pasting between the different operation systems are realized.

The invention relates to a method for extracting dinophysistoxins-1 and yessotoxin-2 from seawater and purifying the dinophysistoxins-1 and the yessotoxin-2. The method specifically comprises the follow steps: (1), an adsorption bag is made by using a piece of polyester wire mesh cloth with the bore diameter of 48 mum through sewing, the interior of the adsorption bag is filled with adsorption resin, and then sealing and absorbing are performed; (2), a glass sand core chromatographic column is used, and firstly deionized water is used for removing salt in the adsorption resin; (3), a glass sand core chromatographic column filled with an aluminium oxide filler with the granularity of 75 to 150 mun is used for purification treatment; (4), a glass sand core chromatographic column filled with reverse phase silica gel C18 is used for purification treatment so as to obtain a mixture containing the dinophysistoxins-1 and the yessotoxin-2. The method provided by the invention has the benefits that two matters of the dinophysistoxins-1 and the yessotoxin-2 can be prepared simultaneously, can be used as mixed standard substances, are free from the limitation of quantities of collected alga and shellfishesm, and can be extracted and prepared in batch from seawater in natural sea areas, and the method is simple and effective.

The invention provides an electronic billing method, including: extracting data from the billing database; constructing XML DOM (document object model) with the said data; XML converter converts the data in the XML DOM to a specified output format under XSL format document and user parameters instruction. In the above method, the means of extracting data from the said billing database can be: batch extracting the said data before the user inquiries the said data, or real-time extracting the said data when the user inquiries the said data. Moreover, the procedure of constructing the data to XML DOM can include: generating the said data to the XML document; parsing the XML document, and obtaining document object model DOM.

The invention discloses a crop effective grain number measuring method. According to the crop effective grain number measuring method, the grain distribution images and accurate grain weighing data of crops in different varieties are obtained through photographing and weighing respectively; the number of the grains of the crops is extracted preliminarily through independently-developed data processing software and based on a mathematical morphology principle and a digital image processing technology; and the number of the grains is corrected by using the weighing data of the grains, so that imperfect grains are eliminated, and therefore, the extraction accuracy of the number of effective grains can be improved. With the method of the invention adopted, image preprocessing, and grain number accurate and quick identification and batch extraction can be carried out on photos with different grain conditions, and crop grain extraction accuracy can be ensured, and extraction speed can be greatly improved.

The invention provides a face in-vivo detection system based on color and singular value features, comprising an original data building module, a feature extraction module, a feature processing module, a training module, and a prediction module. The original data building module is used for dividing original data into preliminary samples and test samples. The feature extraction module is used for dividing the face images in the preliminary samples into blocks and extracting the color features and singular value features of the face image blocks in batch. The feature processing module is used for reducing the preliminary samples to get training samples. The training module is used for training a support vector machine by use of the training samples and the parameters of the support vector machine after optimization to get a face in-vivo detection model. The prediction module is used for predicting the features of the test samples using the face in-vivo detection model to get a classification result of a living or disguised person. Complicated extraction of features in the past is avoided, and the computational complexity is reduced greatly.

The invention relates to a method for separating and purifying a biological active substance phytosterin, particularly a method for quickly and massively extracting high-purity beta-sitosterol from cornel kernels. The high-purity beta-sitosterol is quickly and massively extracted from the cornel kernels by saponification, extraction, fractional crystallization and other techniques. The invention has the advantages of high separation speed, low separation cost, high yield, abundant and accessible raw material, and the like. By fully utilizing the residual kernel waste after processing the traditional Chinese medicine cornel, the method provided by the invention has the advantages of low cost, high yield, high product purity (the purity is higher than 98%, and the melting point is 140-141 DEG C) and favorable crystal shape (white acicular crystal); and the beta-sitosterol is suitable to be used as a sitosterol standard substance and medicinal raw material.

The invention provides a kit and a method for rapidly extracting blood DNA in batches by adopting a saturated sodium chloride process. The kit contains red blood cell lysate, a deproteinization solution, a protein precipitation solution, a regulation binding solution, an eluant and a proteinase k solution, wherein the red blood cell lysate contains 8.29g/L NH4Cl, 31g/L KHCO3 and 0.37g/L Na2EDTA, and pH value is 7.2-7.4; the deproteinization solution is 20% SDS; the protein precipitation solution is saturated NaCl; the regulation binding solution is isopropyl alcohol; the eluant is 70% ethyl alcohol; and concentration of the proteinase k solution is 20mg/ml. The method for extracting the blood DNA by utilizing the kit has the advantages that content of the extracted DNA is high, purity is high, extraction is rapid, no toxic reagent is adopted, PCR amplification detection is carried out on the extracted genome DNA, and the extracted blood DNA can meet the requirements of many follow-up molecular biology experiments.

The invention relates to the technical field of biology, and discloses a method for batch extraction of rice endosperm DNA. The method comprises: S1, cutting endosperm from rice seeds; S2, pouring the endosperm into holes of a PCR plate (T1 plate); S3, adding an alkali solution to every hole of the T1 plate, and placing the T1 plate into a PCR instrument to be heated; S4, taking the T1 plate, and pouring tungsten alloy beads and a 1*DNA extraction solution to every hole; S5, re-placing the T1 plate into the PCR instrument to be heated; S6, taking the T1 plate, and carrying out vibration; S7, placing the T1 plate into a centrifuge to be centrifuged; S8, taking the T1 plate, and transferring the supernatant to another PCR plate (T3 plate), wherein every hole of the T3 plate is added with double distilled water in advance; and S9, placing the T3 plate in a refrigerator to be stored. The method has characteristics of rapidness and simple operation, wherein batch extraction of rice endosperm DNA can be achieved with the method.