76results about How to "Easy to extract" patented technology

The invention discloses a method for extracting gas from high gas low permeability coal seam by punching, slotting, pressure releasing and permeability increasing, comprising the following steps: whena drill is drilled into a predetermined position of the coal seam, coal bodies at both sides of a drill hole are cut in the drill hole by high pressure water jet with a certain pressure and flow; a flat slot is formed at both sides of the drill hole; the cut coal bodies is led out the hole by the high pressure water jet. The exposed area of the coal body at the slotted part in the drill hole aregreatly increased, namely that an extremely thin protective layer is exploited with local scope of the flat slot, which enlarges effective influential range of pressure releasing, permeability increasing and gas discharging of the coal bodies in the drill hole, thus the air permeability of the coal bodies is increased about 200-300 times, the average amount of single-hole gas extraction reaches 0.3m<3>/min, the concentration of the gas extraction is 30-60%, gas drainage rate of working face of coal extraction is more than 50%, the number of drill holes for gas drainage is reduced by 10-20% after slotting, pressure releasing and permeability increasing. The method realizes the safety, high efficiency and uniform extraction of the gas from the high gas low permeability outburst coal seam, and changes high gas coal seam with outburst danger into low gas coal seam without outburst danger.

The invention discloses a tunnel structure monitoring system and a tunnel structure monitoring method based on a distributed long-gauge fiber bragg grating. The system comprises distributed long-gauge fiber bragg grating sensors which are comprehensively distributed in a monitored range along the axial direction and the cross section of a tunnel; and longitudinal sedimentation of the tunnel and change conditions of various ring joints of the shield tunnel are monitored. The method comprises the following steps of arranging the distributed long-gauge fiber bragg grating sensors; and acquiring, transmitting and processing data. By the tunnel structure monitoring system and the tunnel structure monitoring method based on the distributed long-gauge fiber bragg grating, full-life monitoring on a tunnel structure in a construction period and a running period can be carried out, and longitudinal sedimentation, convergence deformation, joint deformation, duct piece internal force, strain and the like of the tunnel structure are dynamically monitored in real time.

The invention discloses method, equipment and system for processing image. An image is captured by shooting the same scene by a plurality of cameras distributed at different positions. The method comprises the following steps: detecting face images in the captured image; with different pose angles, processing each detected face image by using a face pose model determined in advance, then generating synthetical images of different pose angles, and taking the synthetical images as synthetical image sets of the corresponding face images; extracting the characteristic vectors of the synthetical image in the synthetical image sets; calculating the distance between different synthetical image sets by calculating the characteristic vector distance between the synthetical images in different synthetical image sets; and clustering the detected face images based on the distance between different synthetical image sets. The method, equipment and system can easily detect and extract the high-quality face images.

The invention belongs to the technical field of image information processing, and discloses a fire image recognition method based on depth learning. The method comprises the following steps: collecting smoke pictures and normal pictures in the early fire stage as a training set and a test set of a convolution neural network; Obtaining dark channel images of each image to compose a final training set and a test set; constructing Convolution neural model to determine whether smoke could be detected or not. Obtaining The smoke detection model by training the neural network, and testing the reddest pair model and evulating its performance. Compared with the prior art, the method of the invention improves the accuracy of smoke detection in a single image by utilizing dark channel images and depth learning, simultaneously improves the detection speed, and can be practically applied to the fire detection work of cities or forests.

The invention discloses a vacuum bulking manufacturing technique of traditional Chinese medicine, which is characterized by the following: adopting vacuum bulking technique to control and select the shape, size and moisture content of the traditional Chinese medicine to generate many pores at the cell wall of the traditional Chinese medicine; lixiviating and distilling the cell content to improve the extracting quantity of effective component or ingredient; fitting for extracting volatile oil component in the traditional Chinese medicine; opening a new path for drug value.

The invention relates to a garment image retrieval method based on segmentation and feature matching, and belongs to the field of computer vision and image application. The method comprises the steps that firstly, a garment image to be detected is input, and the garment image is segmented by extracting HOG feature information of the garment image to be detected and HOG feature information of a small image library for assisting in segmentation; secondly, the color feature and Bundled feature of the garment area of the segmented image to be detected are extracted, and feature extraction of a garment to be detected is achieved; thirdly, the feature similarity between the image to be detected and a large image library is calculated according to the garment feature of the image to be detected and a feature library obtained by preprocessing the large image library for retrieval, and feature matching is carried out; finally, the large image library is searched for garment images similar to the image to be detected according to the feature matching result, and search results are output according to the similarity sequence. The retrieval method has high accuracy.

The invention discloses a CNN and LSTM network-based logistical sorting standard detection method, and belongs to the technical field of image processing. The method comprises the following steps of:firstly obtaining a continuous skeleton data frame sequence from somatosensory equipment when an express sorting action is executed by a worker, screening 20 pieces of joint data which can represent actions from the skeleton data, converting the joint data into world coordinates, and dividing the skeleton data into two parts; selecting certain key points from the skeleton data from a part of the skeleton data to form certain geometric features formed by points, lines and surfaces so as to describe the actions, and carrying out time-domain modeling on the actions through an LSTM network; projecting the other part of skeleton data to generate joint graphs, such as a front view, a left view and a top view, at three visual angles and motion trail graphs thereof, and taking the joint graphs andthe motion trail graphs are taken as inputs of a convolutional neural network to carry out feature extraction; and finally fusing the two parts of information to carry out action judgement. The method has good timeliness, robustness and correctness, is convenient and reliable to implement and is suitable for real-time action recognition systems.

The invention discloses a method and a device for determining the type of a file. The method comprises the following steps of: extracting the attribute characteristic information of a file to be determined; comparing the extracted attribute characteristic information with attribute characteristic information which is pre-stored in a rule set and corresponds to files of each type; and determining a type corresponding to attribute characteristic information in line with the attribute characteristic information of the file to be determined in the rule set as the type of the file to be determined. The attribute characteristic information of the file to be determined is extracted, and is compared with the attribute characteristic information which is pre-stored in the rule set and corresponds to the files of each type, and the type corresponding to the attribute characteristic information in line with the attribute characteristic information of the file to be determined in the rule set is determined as the type of the file to be determined, so that the type of the file can be determined according to the attribute characteristic information of the file to be determined.

The invention discloses a method for preparing 3-mercaptopropionic acid, comprising the following steps of: (1), after mixing thiourea and hydrochloric acid, stirring; (2), dropping acrylic acid; keeping temperature at 80-90 degrees centigrade; and keeping the reaction for 1-7 h; (3), adding sodium hydroxide solution; hydrolyzing; generating sulphur sodium propionate and urea; and (4), acidizing by adding hydrochloric acid; preparing solution containing 3-mercaptopropionic acid; and, after extracting through an organic solvent, decompressing and distilling to obtain the 3-mercaptopropionic acid. Reaction liquid contains a few by-products. The extraction process is easily carried out. The product is good in colour and high in content. After being extracted, waste liquid can be separated and recycled by simply distilling and filtering. Residual liquid can be added to new waste liquid to be further treated. The zero emission of the three wastes (waste gas, waste water and industrial residue) can be basically realized.

The invention discloses a software feature information extracting method. The method includes: selecting beforehand APIs (application program interfaces) used for feature information extraction, from all APIs supported by an operating system so as to obtain a feature API set; b, for a program code of each piece of software i in an application software library, counting times ani of the program code calling each API in the feature API set so as to obtain API information of the piece of software i; according to the API information of all software, subjecting the API information of each piece of software i to ratio processing to obtain formalized description of each piece of software i; subjecting the formalized description of each piece of software i to normalization and binary processing to obtain binary feature information of each piece of software i. The method is easy to implement and high in efficiency, the extracted feature information can accurately indicate semantic features of software, and accurate sorting and detecting of the software is favored.

The invention discloses genetically engineered rhodobacter sphaeroides, a preparation method thereof and a farnesol production method. A phosphatase PgpB gene from Yersinia pestis CO92 is transformed into rhodobacter sphaeroides and can be subjected to intracellular expression, and phosphatase PgpB with activity is generated, so that arnesyl pyrophosphate accumulated in the MEP pathway of rhodobacter sphaeroides can be directly catalyzed to generate farnesol.

The invention relates to a computer automatically measuring visual system for stock yard. The CCD camera is set at the location that has a certain height to the two end faces of the stock yard as high location collection point to collect the panorama image of the stock yard. The CCD set on the moving bogie of stocking and reclaiming equipment sets moving visual collection point of the stocking and reclaiming equipment. All of the CCD camera image signals transmit to image collection card through the video cable. The image collection card connects to image processing front end by PCI bus, and takes image digital information expression before image processing. The image digital expression from the image process front end realizes alternating of the image information by IEEE1394 protocol interface connecting to up computer. The 3D geometry size of the measured stock yard would be realized and output. The invention realizes the digital distilling for stock yard image information, and achieves the whole process management and operation automatic level for material stocking and reclaiming.

The invention discloses an enhanced foam system based on the graphite particle synergistic stability, and a preparation method thereof, which belong to the technical field of oil-gas field developmentengineering. The enhanced foam system based on the graphite particle synergistic stability is prepared from the following components in percentage by mass concentration: 0.3 to 1 percent of anionic surface active agent, 0.2 to 1 percent of cationic surface active agent, 0.5 to 1 percent of graphite particle, and the balance of solvent supplementing to 100 percent. The anionic surface active agentis hexadecyl trimethyl ammonium bromide. The enhanced foam system provided by the invention is simple in preparation process, can be quickly prepared in a large scale, and is suitable for a foam system applied to an oil and gas well, is capable of remarkably improving the recovery ratio, and is environmentally friendly.

The invention discloses an extraction method of peony flower essential oil, and relates to the technical field of peony flower extraction. The extraction method comprises the following steps: pickingfresh peony flower, cleaning with water, draining the surface off; placing the peony flower into a freezing room for freezing and smashing, adding the smashed peony flower into a grinder for freezing,cutting and grinding to obtain ground materials; naturally unfreezing the ground material at the room temperature; freezing and drying the unfrozen peony flower in vacuum; adding the dried peony flower into a CO2 supercritical extraction tank, performing extraction with 95 percent ethanol serving as a co-solvent to obtain the peony flower extract; performing distillation at reduced pressure to obtain the peony flower essential oil. By adopting the extraction method, the peony flower essential oil is high in extraction rate, and has a plurality of active components, compared with the direct implementation of CO2 supercritical extraction on the fresh flower, the extraction method has the advantages that the extraction rate is increased by 67 percent.

The invention discloses a method for extracting high-quality DNA (deoxyribonucleic acid) in dry leaves of soybeans suitable for transgenic detection. According to the method, extracted genomes are clear in DNA strips, high in purity and low in impurity content, and meet requirements for molecular biology experiments such as PCR (polymerase chain reaction), enzyme digestion, molecular cloning, sequencing and the like required by the transgenic detection. The method comprises the following steps of (1) soaking the dry leaves of the soybeans with Buffer I, heating at 40-60 DEG C, and cutting into powder; (2) adding Buffer II, shaking up, centrifuging, removing supernatant, repeating the operations until the supernatant is clarified, and taking precipitates; (3) adding a CTAB (cetyl trimethyl ammonium bromide) extracting solution, beta-mercaptoethanol of which the mass concentration is 3% and protease K, and heating for 40-60 minutes at 55-65 DEG C; (4) adding a mixed solution of phenol, chloroform and isoamyl alcohol equal in volume, uniformly mixing, centrifuging, and taking the supernatant; (5) adding a mixed solution of chloroform and isoamyl alcohol equal in volume, uniformly mixing, centrifuging, and taking the supernatant; and (6) adding pre-cooled isopropyl alcohol 0.8 times in volume, standing for 10-30 minutes at -20 DEG C, centrifuging, removing the supernatant, washing, airing, and dissolving in a TE buffering solution.

The invention discloses a Duranta repens Linn. bactericidal aqueous emulsion. The aqueous emulsion comprises the following components by weight percent: 10-50% of Duranta repens Linn. extract, 5-10% of solvent, 5-10% of emulsifier, 1-5% of co-emulsifier and the balance water. The preparation method of the Duranta repens Linn. bactericidal aqueous emulsion uses the stems, leaves, flowers or fruitsof Duranta repens Linn. as raw material, and comprises the following steps: using organic solvent to extract the Duranta repens Linn. extract and mixing the extract with solvent, emulsifier, co-emulsifier and water to prepare the Duranta repens Linn. bactericidal aqueous emulsion. When using the Duranta repens Linn. bactericidal aqueous emulsion of the invention, water is added in the Duranta repens Linn. bactericidal aqueous emulsion and the dilute aqueous emulsion is sprayed on the leaves of crops or poured at the boots of crops so that the aqueous emulsion is convenient to use; and the aqueous emulsion has better control effect on the main diseases of various tropical cash crops and also has prominent protection effect on Phytophthora capsici. The active ingredient of the preparation is natural material, is non-toxic to human and livestock, has no residue and is safe relative to the nontarget organism; and the processing technology is simple, the raw material is accessible, the cost is low, the product corresponds to the current pesticide development direction and has good development and application potentiality.

The invention discloses capsule type drink convenient to brew and with a health-care function and a preparation method of the capsule type drink. The capsule type drink is prepared from the following raw materials in parts by weight: 20-25 parts of a plant raw material, 15-20 parts of an auxiliary material and the balance of water. The preparation method of the capsule type drink convenient to brew and with the health-care function comprises the following steps of preprocessing the plant raw material, filling and brewing. According to the capsule type drink, various kinds of plant source food are utilized as raw materials and are differently preprocessed according to characteristics of the plant source food, so that the raw materials are easier to extract and brew; by means of the filling and brewing processes, the obtained capsule type drink is rich in nutrition, good in taste and convenient to brew and also has the health-care function.

Provided is a standing wave electron linear accelerator. An X-ray cabinet is connected with a PLC high-voltage modulator cabinet through a control optical cable. A temperature control water-cooling machine is connected with the PLC high-voltage modulator cabinet through a control optical cable. A water inlet pipe and a water outlet pipe are between the X-ray cabinet and the temperature control water-cooling machine. A safety interlocking protection device is connected with the X-ray cabinet through the control optical cable 6. The temperature control water-cooling machine is connected with the safety interlocking protection device through the control cable. The accelerator uses design of rectilinear orbit acceleration, a problem of radiation loss is preferably solved. The accelerator is convenient and efficient in particle injection and leading-out, and high in particle flow speed intensity. The accelerator can conveniently add acceleration structures as needed, so as to improve energy. The accelerator can accelerate electrons in different kinds and energy in a very wide range, and has good flexibility. A standing wave accelerating field is used, a problem that microwave surplus power of a terminal in a travelling wave accelerating field is not fully used is preferably solved.

The invention discloses a microbial enzymatic conversion method for echinocandin B, and particularly relates to a method of converting the echinocandin B into an echinocandin B nucleus. The method includes performing microbial fermentation to produce echinocandin B deacylase, extracting to obtain crude enzyme, and converting through adding the crude enzyme and the echinocandin B in a batch manner. The method is high in mole conversion ratio, high in product concentration, and beneficial to separation and purification. An echinocandin B substrate can be recovered and reutilized, thus reducing a production cost.

The invention discloses a pesticide, which is prepared from the following components in parts by weight: 1 to 3 parts of emamectin benzoate, 3 to 8 parts of algae, 2 to 5 parts of easily degradable macromolecule, 3 to 7 parts of stabilizer, 6 to 9 parts of plant growth regulator, 10 to 12 parts of kaempferitrin, 15 to 20 parts of cedar camphor, 10 to 16 parts of pyrethrum, 20 to 30 parts of fructus meliae toosendan, 5 to 8 parts of oleum menthae, 9 to 14 parts of fresh radix stemonae, 6 to 8 parts of petitgrain combarva citrus hystrix, and 80 to 120 parts of water. The pesticide provided by the invention is simple in raw material extraction, convenient in preparation process, low in preparation cost, practical, convenient, free of residues after being used, harmless to the human body, and suitable for production in large scale.

The invention discloses a mask slurry preparing method. The mask slurry preparing method comprises the steps that ramie roots, radix astragali and rhizoma typhonii are decocted in clear water to obtain first mixed liquid; aloe, seaweed, cherries, rose, chrysanthemum flowers, geranium, coix seeds, millet, rice, wheat germs and Chinese wolfberry fruits are dried; grinding is performed; water bath ultrasonic extraction is performed to obtain first solid powder and second solid powder; big pig bone enzymolysis is performed, and big pig bones and pig skin are steamed to obtain second mixed liquid; the mixed liquid, the second mixed liquid, the first solid powder, the second solid powder, egg white, pearl powder, honey, tea polyphenol, soy isoflavones, water, phenoxyethanol, chlorphenesin and propylene glycol are mixed to obtain mask slurry. The mask slurry preparing method is simple in process, can retain the nutrition ingredients of the raw materials to the most degree, and the prepared mask slurry is free of additives and has the good effects of moisturizing the skin, retaining moisture, inhibiting acnes, resisting wrinkles and keeping the skin tight and elastic.

The invention discloses a traditional Chinese medicine composition for improving immunity of a human body and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 15 to 20 parts of radix astragali, 15 to 20 parts of toadstool, 15 to 20 parts of herba dendrobii, 12 to 15 parts of lucid ganoderma, 12 to 15 parts of bark of cortex eucommiae, 12 to 15 parts of glossy privet fruit, 12 to 15 parts of radix cynanchi bungei, 8 to 10 parts of tortoiseshell, 8 to 10 parts of herba ecliptae, 8 to 10 parts of poria cocos, 5 to 7 parts of root of Chinese thorowax, 5 to 7 parts of radix scrophulariae, 5 to 7 parts of honeysuckle flower, 5 to 7 parts of American ginseng, 3 to 5 parts of radix aucklandiae, 3 to 5 parts of rhodiola rosea, 3 to 5 parts of radix ophiopogonis, 1 to 3 parts of licorice root, and 1 to 3 parts of radix tetrastigme. The preparation method has the advantages that the traditional Chinese medicine decoction technique is assisted by the centrifuging technique and microwave-ultrasonic comprehensive extraction technique, and water and ethanol are used as main extracting agents, so that the effective ingredients of traditional Chinese medicinal materials are extracted; the extraction type is simple, and the efficiency is high.

The invention belongs to the technical field of hair dyes, and particularly relates to a preparation method and an application of a sappan wood and tea leaf compound plant hair dye. The invention mainly solves the problems that chemically synthesized hair dyes in the prior art are toxic and harmful to human bodies and cause serious environmental pollution. The hair dye comprises three independentdyes A, B and C, wherein the dye A comprises L-cysteine, sodium carbonate, triethanolamine, sodium carboxymethyl cellulose, glycerol and water, the dye B comprises ferric chloride, sodium carboxymethyl cellulose, octylphenol polyoxyethylene ether and water, and the dye C comprises sappan wood pigment, tea pigment, sodium carboxymethyl cellulose, citric acid, octylphenol polyoxyethylene ether and water. The dye components include natural plant pigment: sappan wood pigment and tea pigment, Fe<3+> is used as a mordant, a one-bath mordant dyeing method is adopted to oxidize hair with H2O2, then the hair is softened with the dye A, and the hair is dyed after the dye B and the dye C are mixed.

The invention relates to a method and device for positioning a full-line quick-action fault of a power distribution network, which is used for realizing the following scheme: based on a capacitance electronic voltage sensor structure, selecting a capacitor capable of forming a boundary element as a high-voltage arm capacitor and a corresponding electronic voltage sensor, sampling a phase current value flowing through the boundary capacitor by using a current sensor, and utilizing the sampling data; setting a starting threshold value, searching a first extreme point and a plurality of data points behind the first extreme point, and storing the plurality of data points; decoupling the plurality of data points to obtain corresponding linear mode current values; performing fitting calculationon the sampling data and the linear mode current values according to an attenuation exponential function to obtain an attenuation time constant; and comparing the boundary capacitance value with an actual boundary capacitance parameter, wherein it is a near fault point if the comparison result conforms to a set value. The method has the advantages that the scheme is easy to implement, and complexequipment is not needed; and the peak value is very small in a normal operation state, and a fault transient signal is easy to extract.

The invention relates to a semen armeniacae amarae debitterizing water recycling method. The method mainly includes: roughly filtering semen armeniacae amarae debitterizing water, using a ceramic membrane of 5-10nm in pore diameter for concentrating and filtering, separating protein from amygdalin to obtain concentrate A and permeate B, intercepting protein in the concentrate A for recycling, filtering the permeate B through an organic membrane of 150-300Da to obtain concentrate C and permeate D, and intercepting macromolecular substances like amygdalin and benzaldehyde in the concentrate C. Membrane separation technology is adopted to concentrate and separate nutritional substances in the semen armeniacae amarae debitterizing water, concentrated nutritional substances are easier for purifying and extracting, cost for extracting the nutritional substances can be reduced, and substances like high-purity amygdalin, flavone and polyphenol and natural perfume substance benzaldehyde can befurther concentrated and separated out; final wastewater obtained by treatment reaches indexes of national wastewater treatment, and the method plays a certain role in environment protection.

The invention discloses a preparation method of an amomum tsao-ko volatile oil vomiting-alleviating spraying agent, and the method comprises the following steps: 1, using a supercritical carbon dioxide extraction device for extraction to obtain amomum tsao-ko volatile oil; 2, using the supercritical carbon dioxide extraction device for extraction to obtain raw ginger essential oil; 3, using the supercritical carbon dioxide extraction device for extraction to obtain citrus essential oil; 4, using the supercritical carbon dioxide extraction device for extraction to obtain mint essential oil; and 5, mixing 40-60 parts by weight of the amomum tsao-ko volatile oil, 8-15 parts by weight of the raw ginger essential oil, 1-3 parts by weight of the citrus essential oil, 1-3 parts by weight of the mint essential oil and 50-100 parts by weight of vegetable oil in ratio, filtering the mixed solution to obtain the amomum tsao-ko volatile oil vomiting-alleviating spraying agent. The amomum tsao-ko volatile oil vomiting-alleviating spraying agent has good vomiting-alleviating effect and sweet smell, does not contain other additives, has no side effects on the human body, and is suitable for all people, including pregnant women to use.

The invention belongs to the technical field of muscarinic liquid extraction, particularly relates to a muscarinic liquid extraction process, and aims at solving the problems that an existing muscarinic liquid extraction mode is complex in operation and cannot meet use requirements, the following scheme is provided, and the method comprises the following steps: S1, preparing fungi; S2, performing weighing; S3, performing grinding; S4, performing heating; S5, loading into a test tube, centrifuging, and mixing the two supernatants; S6, heating and concentrating; and S7, sub-packaging and storing: preparing the fresh bolete bought last year in the step S1, sorting, washing, freezing and storing, taking out the bolete during use, placing the bolete in a greenhouse for unfreezing, and then airing the bolete. The device is convenient to operate, the extraction mode of the muscarinic liquid is simple, crushing and mixing are adopted, the extraction effect and efficiency of the muscarinic liquid are improved, supernate is extracted twice, waste is avoided, secondary filtration is adopted, the purity of the muscarinic liquid can be improved, and the use requirement can be met.