49results about How to "Achieve the purpose of extraction" patented technology

The invention relates to a large field-of-view stray light PST (point source transmittance) testing method and a large field-of-view stray light PST testing device. The large field-of-view stray light PST testing device comprises a large dynamic range light source, a collimator, a clean room, a high-load turntable, an EMCCCD (electron multiplying charge coupled device) and a data acquisition and processing system, wherein the collimator is arranged on the path of emergent light of the large dynamic range light source; the EMCCD is arranged on the high-load turntable and is electrically connected with the data acquisition and processing system; the large dynamic range light source is electrically connected with the data acquisition and processing system; the high-load turntable is arranged on the path of emergent light after passing through the collimator; and the large dynamic range light source, the collimator, the high-load turntable, the EMCCD and the data acquisition and processing system are arranged in the clean room. The large field-of-view stray light PST testing method and the large field-of-view stray light PST testing device provided by the invention have the advantages that the stray light inhibiting ability of the lens hood of a astronautic camera can be effectively evaluated on the ground, the signal-to-noise ratio of the entire camera can be estimated, the astronautic camera can be guaranteed to pick up clear images after the astronautic camera is launched into the sky, the field of view is ultralarge and the accuracy is high.

The invention relates to a method for using compound biological enzyme in a plant extraction process, and conditions thereof. The compound biological enzyme comprises 5-60% of cellulose, 5-30% of hemicellulase, 5-50% of diastase, 5-50% of pectinase and 1-25% of protease, wherein the sum of the weight percentages of the components is 100%, and activity unit of the compound biological enzyme is 200000 U/g-1200000 U/g. The method for using the compound biological enzyme comprises: completely crushing a substrate until the substrate can passes a sieve having 80-200 meshes; adding the substrate to a water bath solution according to a ratio of material to liquid of 1:5-1:8; adjusting a pH value of the water bath solution to 4.0-5.0 through a acid (for example, acetic acid, oxalic acid, citric acid and the like); adding the compound biological enzyme to the water bath solution according to a certain ratio based on different substrates, followed by stirring completely and uniformly. A water bath temperature is controlled between 15-60 DEG C. The extraction time is controlled to 1-72 hours. The compound biological enzyme addition comprises the following conditions that: when the substrates are flowers, leaves or fruits of land plants, the compound biological enzyme addition is 0.1-0.5% of the substrate mass; when the substrates are roots and stems of the land plants, the compound biological enzyme addition is 0.3-0.8% of the substrate mass; when the substrates are marine plants, the compound biological enzyme addition is 0.8-3% of the substrate mass.

The invention relates to a method for simultaneously detecting 15 antibiotics in aquaculture sediment by combining microwave extraction-solid phase extraction pretreatment with a liquid chromatography-mass spectrometry (LC-MS) technology. The method comprises the following steps: step (1) pretreating sediment samples, adding internal standard substances sulfamethoxazole-13C6, norfloxacin-D5, penicillin G potassium salt-D5, tetracycline-D6, olaquindox-D4, amoxicillin-13C6 and trimethoprim-D3 indicating a recovery rate, adding an acetonitrile-phosphate buffer solution for microwave extraction ofextraction liquid; step (2) performing solid phase extraction, enrichment and purification on target antibiotics; and step (3) quantitatively detecting 15 antibiotics of seven types in sediment witha liquid chromatograph/mass spectrometer. The method can simultaneously detect residues of 15 antibiotics containing 8 new antibiotics in the aquaculture sediment at a time by optimizing the internalstandard substances, screening appropriate pretreatment method and optimizing detection conditions, and has the advantages of high recovery rate, high sensitivity, high stability, low detection limit,more true and reliable detection results and the like.

The invention discloses a method for rapid lane departure warning. The method comprises the steps that S1, a real-time image is obtained when a vehicle travels; S2, after the real-time image is processed in a preset effective area, a binarization image of the real-time image in the effective area is obtained; S3, transverse detection is conducted on the binarization image in preset vertical spacing and after a plurality of sets of binarization sequences are obtained, matching processing is conducted on the sets of binarization sequences according to a preset width matching threshold; S4, after Hough transformation is conducted on a matching processing result, a lane line is extracted, then the included angle and the point of intersection of the lane line and the bottom margin of an effective area are calculated, then whether a vehicle exceeds the line or not is judged, and if the answer is positive, a warning is given. The method is high in responding speed, high in accuracy, strong in robustness and capable of being widely used in vehicle driving.

The invention relates to a plant genomes deoxyribonucleic acid (DNA) quick extraction device and a testing method thereof. The plant genomes DNA quick extraction device is composed of a plurality of injectors with sponges on the bottoms, extraction pillars, and a plurality of centrifugal tubes, wherein the upper end portion of each of the extraction pillars can be connected with an injection port of each of the injectors in a sealing mode, the lower end portion of each of the extraction pillars can be connected with each of the centrifugal tubes, a loading seal cover is connected on the end portion of each of the extraction pillars, the loading seal cover is loaded with a silica film and is embedded in the inner side of the lower end portion of each of the extraction pillars in a clamping mode, and a through hole is formed in the center of the loading seal cover. According to the plant genomes DNA quick extraction device and the testing method thereof, compared with the prior art, large instruments of a centrifugal machine and the like are replaced by an air pressure method, the silica film is used for combining nucleic acid molecules, the plant genomes DNA quick extraction device is simple and effective, an extraction process is simple and convenient without any dependency of valuable instruments, testing time is short, the testing method is high in sensitivity, and the problem of quick testing of transgenetic products on site is resolved.

The invention discloses a satellite-borne cloud measurement radar echo simulation and echo characteristic parameter precision estimation method; and the method comprises the steps: obtaining noise-containing satellite-borne cloud measurement radar echo simulation data through distance library weighting, antenna weighting and speed parameter correction according to the actual observation data of acloud measurement radar and the observation of a satellite-borne platform and the distribution and noise characteristics of a cloud target; and the requirements of cloud target echo characteristic parameter estimation precision evaluation under different satellite-borne conditions are met. The method is closer to the actual system working condition, can more accurately consider the evaluation of the target distribution, satellite motion and the like on the estimation precision of the meteorological target characteristic parameters of the satellite-borne platform, and achieves the purpose of extracting the echo characteristic parameters of the cloud target of the satellite-borne platform.

The invention discloses a method for continuously extracting active ingredients of cassia seed at high pressure, comprising the following steps: (1) breaking: the cassia seed is broken to particles with 30-80 meshes; (2) soaking: the cassia seed and ethanol are mixed according to the material-to-liquid ratio of 1:10-30 for soaking for 30-60 minutes; (3) high-pressure extraction: material liquid obtained in the step (2) is sent to a high-pressure extractor, the material liquid continuously passes an annular working gap of the high-pressure extractor under the action of 30-90Mpa high pressure, so as to collide on a collision ring in the high-pressure extractor at high speed, break cell walls of the cassia seed and lead the active ingredients to be dispersed in solvent; (4) solid-liquid separation: the material liquid after the high-pressure treatment is taken out, and the solid-liquid separation is carried out for obtaining extract liquid and material residue respectively. The process has simple and safe operation.

The invention provides an image recognition processing method and device, electronic equipment and a storage medium, which is applied to the map field. The method comprises the steps of recognizing at least one character area image from an image to be processed, conducting character recognition processing on each character area image, and obtaining character library characters corresponding to each character area image in a character library; performing stroke extraction processing on the character area image to obtain a stroke extraction result of at least one stroke frame in the character area image; performing stroke alignment processing based on the stroke extraction result of each stroke frame in the character area image and the character library characters corresponding to the character area image to obtain a stroke corresponding relation between strokes of each stroke frame in the character area image and strokes of the character library characters corresponding to the character area image; through the method and the device, the strokes can be accurately and efficiently recognized from the image comprising the characters and correspond to the strokes of the characters in the character library.

The invention provides a flight parameter data preprocessing algorithm based on an adaptive filter and a restricted Boltzmann machine. The flight parameter data preprocessing is studied from two aspects of noise removal and feature extraction, the recorded dynamic system flight parameter data are subjected to estimation processing by using the adaptive filter, and the noise in the data is removed;the recorded flight parameter data is mapped to the low-dimensional hidden layer from the input value of the high-dimensional visual layer by utilizing the strong unsupervised learning capability ofthe Boltzmann machine; and on the basis of a small amount of label information, clustering and grouping are carried out on the low-dimensional feature data by utilizing the fact that the probability of occurrence of the feature signals is greater than the probability of occurrence of the noise feature signals, thereby achieving the purpose of feature extraction of the flight parameter data. The method is high in anti-interference capability, low in requirement on the processed flight parameter data volume and simple in algorithm, denoising, feature extraction and dimension reduction processingon the aircraft parameter data are completed, and programming is easy to achieve.

The invention discloses a kernel signal extraction method based on dictionary training and orthogonal matching pursuit, and the method comprises the steps: 1, carrying out the training of an initial dictionary D through employing a sparse K-SVD algorithm and a training sample set y, and obtaining an over-complete dictionary; 2, performing sparse representation on the original nuclear pulse signalY by using an orthogonal matching pursuit algorithm to obtain a sparse coding coefficient; and 3, reconstructing a nuclear pulse signal by using dictionary atoms and sparse coding coefficients obtained by sparse decomposition. According to the method, the K-SVD dictionary learning algorithm is utilized to train the initial over-complete dictionary into the over-complete dictionary of the kernel signal with complete features, and the orthogonal matching pursuit algorithm is utilized to reconstruct the over-complete dictionary, so that the purpose of weak kernel signal extraction is achieved, and the method is accurate and efficient.

The invention discloses a dual-gated related fluorescence imaging device and an imaging method. The device comprises a narrow pulse nanosecond or a picosecond laser, a shaping lens, a sample table, anultraviolet cut-off light filter, a nanosecond order gating image enhancement charge coupling equipment, a computer, and a timing control unit. The imaging method disclosed by the invention realizingthe dynamic time scanning through the hundreds of picoseconds grade online encoding timing control technology, so that acquiring two fluorescence time resolution images at different delays by utilizing the fluorescence lifetime difference between the target and the background; enhancing the contrast of the target fluorescence image and achieving the extraction purpose of the target content by inverting the fluorescence relative service life image by using an image enhancement related algorithm, and fusing the obtained fluorescence relative life diagram with the fluorescence time resolution image to obtain an enhanced color RGB fluorescence relative service life diagram, and solving the problem of target-background fluorescence interference.

The invention relates to a method for simultaneously detecting 7 conjugated estrogens in livestock and poultry excrements through combination of microwave extraction-solid phase extraction pretreatment and liquid chromatography-mass spectrometry technology. The method comprises the following steps: 1) carrying out pretreatment on an excrement sample, adding two internal standard substances indicating recovery rate, that is, 17beta-estradiolD3 3-beta-D-glucuronide and 17 beta-estridiol sodium sulfate-D4, then, carrying out extraction solvent microwave extraction and extraction solution filtering and collecting, and diluting the solution with water to adjust the pH value; 2)carrying out solid phase extraction enrichment and purification on target estrogens; and 3) through an internal standard method, quantitatively detecting 7 conjugated estrogens in the livestock and poultry excrements through a liquid chromatography-mass spectrometer. By optimizing the extraction method, enrichment andpurification conditions, and liquid mass testing conditions, and meanwhile, by selecting appropriate internal standard substances, the method can simultaneously detect residue information of the 7 conjugated estrogens in the livestock and poultry excrements at one time; and the method has the advantages of high recovery rate, high sensitivity, high stability, low detection limit and more realistic and reliable detection results and the like.

The invention discloses a bacterial microorganism detection sample liquid extraction device. By cooperation of an inner rotating disc and an outer rotating disc, bacterial microorganism sample liquidis extracted, and efficiency in extraction of the bacterial microorganism sample liquid can be effectively improved. The device is characterized in that the bottom end of a body barrel is in an open structure, and the top end of a connection barrel is connected with the bottom end of the body barrel through a connection sleeve; the top end of the connection barrel is in an open structure and communicated with the body barrel, the bottom end of the connection barrel is in an open structure, a discharging hopper is arranged at the bottom end of the connection barrel and communicated with the connection barrel, an end cover is arranged on the discharging hopper, and the inner wall of the body barrel is provided with a spiral guide groove; the wall of the body barrel is provided with a feedingport, the diameter of the feeding port is gradually increased from an inlet to an outlet, a feeding hopper is arranged on the outer wall of the body barrel and communicated with the feeding port, anda guide sleeve is arranged in the middle of the top end of the body barrel.

The present invention discloses a bamboo leaf flavone extracting method by synergy of ultrasonic and surface-active agent. The method includes the following steps: bamboo leaf powder is added to a mixed solution of ethanol and extraction liquid, the liquid to solid ratio of the extraction liquid to the bamboo leaf powder is 15-20 : 1 mL/g, the liquid to solid ratio of the ethanol and the bamboo leaf powder is 15-20 : 1 mL/g; and the mixture is subjected to a synergic extraction of ultrasonic and surface-active agent at an ultrasound frequency of 40 KHz and an ultrasonic power of 100-450 W for 1-3 times with 20-30 minutes each time to obtain the bamboo leaf flavone. The extraction method has the advantages of being low in equipment requirement, convenient in operation, short in extraction time, needing no heating, and being conductive to protect heat labile component, which solves the problems that the existing solvent extraction method of bamboo leaf flavone is large in solvent consumption volume, is low in efficiency and is high in cost.

The invention discloses a herbal tea particle production line and a production method thereof, and belongs to the field of herbal tea production.The herbal tea particle production line sequentially comprises a cleaning device, a first drying device, a mixing and smashing device, an extracting and filtering device, a storing and cooling device, a blending device, an ultrafiltration device, a distillation device, a second drying device and a grinding device from front to back; and the extracting and filtering device comprises an extracting and filtering shell, a stirring and extracting mechanism, a piston extracting mechanism and a filtering mechanism. The herbal tea particle production line has the beneficial effects that the stirring and extracting mechanism and the piston extracting mechanism are matched, the stirring and extracting mechanism is used for stirring and uniformly mixing smashed herbal mud and an aqueous solution, then the piston extracting mechanism is used for applying pressure to small herbal mud particles dispersed in the aqueous solution, and nutrient substances in the small particles are released, so that the purpose of extracting the nutrient substances is achieved.

The invention relates to a device for quickly mounting a sonic nozzle. According to the device, the sonic nozzle can be quickly arranged into a sonic nozzle type detection device for a gas meter. At present, a device for mounting a sonic nozzle conveniently, quickly and efficiently is not invented. The device comprises a mounting block, a spring, a sliding sleeve, movable positioning balls, a retainer ring and a gland, wherein a nozzle cavity and an inner groove are arranged at the front end of the mounting block; a first step and a second step are arranged on the outer wall surface of the mounting block; the spring is sleeved on the first step; the inner groove is positioned between the first step and the nozzle cavity; the first step is provided with a clamping groove and a through hole; the retainer ring is arranged in the clamping groove; a fixed ring provided with a groove on the outer wall surface is arranged on the gland and is inserted in the inner groove; the movable positioning balls are arranged in the through hole and the groove respectively; an inner lug boss is arranged on the inner wall of the sliding sleeve; the sliding sleeve is sleeved on the first step and the second step; and the inner lug boss is supported against the spring. The device has the advantages of reasonable structural design, convenience in use, high efficiency for mounting the sonic nozzle and favorable mounting quality.

The invention discloses a pulp extracting device for tomato sauce production, and relates to the technical field of agriculture. The device is provided to solve the problems that the fruit peel and kernel removal effect is poor, and the taste and quality of tomato sauce are affected in the production process. Specifically, the device comprises a rack, a tank body is fixedly installed at the top ofthe rack, an end cover is fixedly installed at the top end of the tank body, a feeding hopper is fixedly installed at the top of the end cover, a pipe body is installed at the top end of the end cover through a bearing, a grinding roller with the bottom end of a conical structure is fixedly installed at the bottom end of the pipe body, and a driving mechanism in transmission connection with the pipe body is fixedly mounted at the top end of the end cover. In the process that the grinding roller mechanism rotates along with the pipe body, the surfaces of tomatoes can be ground, then peels andpulps of the tomatoes are primarily separated, the tomatoes are extruded and ground by the grinding roller when falling between the grinding roller and a separation net bag part, and the pulps fall into the bottom of the tank body through meshes and are discharged from a discharge pipe.

The invention provides a process for extracting composite collagen from bones, which belongs to preparation methods for nutrition and health products. Bone collagen molecules have a unique triple-strand supercoil structure; each of three polypeptide chains spirals leftwards to form a left-handed supercoil and then the three polypeptide chains engage with each other through hydrogen bonds to form a firm right-handed supercoil such that the triple-strand supercoil structure is formed; and the triple-strand supercoil structure is very stable and cannot be decomposed through low temperature heating and short-time heating. The invention provides the process for extracting collagen, and the process comprises the following steps of fragmenting bones, adding water into the bones, grinding an obtained mixture with a colloid mill to obtain minced bones with a particle size of 0.02 to 0.04 mm, pumping the minced bones into a fermentation tank with a pump, carrying out fermentation for 20 to 24 hours, adding hydrochloric acid to adjust the pH value of a fermentation product to be 5 to 7, adding air with a temperature of 95 to 120 DEG C into the fermentation tank by using an air pump and carrying out filtration to extract crystals when the crystals appear in the tank, wherein the crystals are composite collagen. Compared with the prior art, the invention has the following advantages: 1, the process is simple; 2, used time is short; and 3, high yield is obtained.

The invention discloses a method for carrying out fluidized extraction on spodumene by utilizing sulfide. The method comprises the following steps: uniformly mixing sulfide and spodumene powder, and carrying out fluidized high-temperature roasting on the mixture; and then extracting the calcined spodumene powder by using an extracting solution to obtain a leaching solution containing lithium sulfate. By roasting the mixture of sulfide and spodumene, lithium in spodumene can be extracted with low energy consumption, so that energy consumption is low, and environmental pollution is avoided; andthe extracted lithium salt has high purity and can be used in the fields of lithium batteries, nuclear power and the like.

The invention discloses a cigarette push and start integral smoking tool which comprises the following components: a baking component (1), a heating component (3) and an operation component (2), wherein the baking component (1) comprises a cigarette cup (11); a first annular boss (15), a second annular boss (16) and a small hole through which a heating element (33) penetrates are arranged on the outer wall of the cigarette cup (11); the heating component (3) comprises an upper support part (31), an inner support part (32) and a control panel (35); the operation component (2) comprises a fixingpart (22) which wraps an inner support part (32). Due to adoption of a spring and a twisting spring, the purpose that a piece of cigarette is taken out without completely separating the cigarette cupfrom the heating element can be achieved, in addition, the cigarette cup, the operation component and the fixing part can be automatically returned, and due to adoption of the twisting spring, the smoking tool can be rotated in a circumferential direction and can be automatically returned after being started.