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33results about How to "Solve tailing" patented technology

Method and system for driving displaying of display unit through analog and digital hybrid drive and drive circuit

InactiveCN107993609AImprove the performance of color scaleEnhanced gradation performance and high contrastStatic indicating devicesComputer hardwareHemt circuits
The invention discloses a method for driving displaying of a display unit through analog and digital hybrid drive. The method comprises the following steps that analog drive quantity controls the illumination brightness of the display unit; under the illumination brightness, digital drive quantity controls the illumination time of the display unit. The combination of the illumination brightness and the illumination time controls the illumination of the display unit, the rich gray scale and color are realized, the gray scale and color gradation expression ability of an image is obviously improved, the display of high contrast and high dynamic range is realized, and meanwhile, the system power dissipation and design requirements of a drive chip are reduced. The invention further discloses asystem for driving displaying of the display unit through analog and digital hybrid drive, and a drive circuit adopting analog and digital hybrid drive.
Owner:CHENGDU JINGSHA TECH

Method for determining content of pyrroloquinoline quinone in biological sample by magnetic solid-phase extraction-capillary zone electrophoresis

The invention provides a method for determining the content of pyrroloquinoline quinone in a biological sample by magnetic solid-phase extraction-capillary zone electrophoresis and belongs to the field of a life analyzing technology. According to the method disclosed by the invention, SiO2 and adsorbents with different polarities are mixed; and the adsorbents have different selective properties on compounds with different hydrophobic properties, so that the effective separation can be carried out. A capillary electrophoresis method adopted by the invention adds a modifying agent beta-cyclodextrin; trifluoroacetic acid is firstly added into a capillary electrophoresis buffering system to solve the trailing problem of a peak in a capillary electrophoresis picture; and the symmetrical property of the peak is obviously better than that of a document report. The method disclosed by the invention is rapid and convenient, and can be used for determining the content of the PQQ in milk by utilizing a magnetic solid-phase extraction technology being combined with capillary electrophoresis firstly. Compared with a document method, the method disclosed by the invention improves the separation efficiency by 6 times.
Owner:JIANGSU INST OF NUCLEAR MEDICINE

Flue gas washing method and catalytic cracking method

PendingCN109745803AThe washing method is simple and easyReduced or disappeared trail lengthCatalytic crackingUsing liquid separation agentFlue gasProcess engineering
The invention relates to a flue gas washing method and a catalytic cracking method. The flue gas washing method includes: guiding flue gas into a flue gas washing tower to contact with absorbing liquid containing an absorber, and enabling the flue gas after contacting with the absorbing liquid to contact with clean water before going out of the tower. The flue gas washing method is simple and easyto implement, flue gas tailing of the wet-process washing tower can be eliminated effectively, and the problem that blue smoke and smoke plume sink is solved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Intermittent extrusion coating method, extrusion coating head and extrusion coating machine

InactiveCN102935413ACause broken beltTo achieve the purpose of thin coatingLiquid surface applicatorsCoatingsSlurryMechanical engineering
The invention relates to an intermittent extrusion coating method, an extrusion coating head and an extrusion coating machine. The coating method includes that a first transfer roller and a second transfer roller are parellelly arranged at predetermined intervals; a base material winds the first pass roller and the second transfer roller and advances towards the same direction; an extrusion head is arranged and located on one side of the base material, the side of the base material is far away from the first transfer roller and the second roller, a seam port of the extrusion head is right opposite to the surface of the base material between the first transfer roller and the second transfer roller, and slurries can be intermittently coated towards the base material from the seam port of the extrusion head. The extrusion head can be close to the surface of the base material as much as possible so as to achieve a purpose of scumbling; the coating thickness can reach below 20 mu m; simultaneously, the problem that the base material is broken is solved; when coating is started, by means of a plurality of different structures, the surface of the base material slowly approaches the extrusion head, and the gap between the extrusion head and the surface of the base material is gradually shortened, so that the problem that the extrusion head is thick is solved; and when coating is finished, the surface of the base material is rapidly far away from the extrusion head, the gap between the extrusion head and the surface of the base material is rapidly enlarged, so that the problem of trailing is solved.
Owner:SHENZHEN XINYUREN TECH

System for comprehensive treatment of saturation zone and aeration zone

The invention provides a system for comprehensive treatment of a saturation zone and an aeration zone, which comprises an injection system, a multiphase extraction system and a tail gas and tail watertreatment system, and is characterized in that the injection system injects high-pressure air into soil through air compression equipment and an injection well; the multiphase extraction system is composed of a gas phase extraction well, a multiphase extraction well and an NAPL phase extraction device; the gas phase extraction well is used for extracting polluted gas in soil, an underground waterextraction pipe in the multiphase extraction well can extract polluted water, and the NAPL phase extraction device can accurately extract NAPL phase pollutants; the tail gas and tail water treatmentsystem can treat the extracted gas phase, liquid phase and NAPL phase until the gas phase, liquid phase and NAPL phase are safely discharged or collected. The multiphase extraction technology and theNAPL accurate extraction technology are introduced, so that the repairing time is shortened, and meanwhile, the trailing problem is solved.
Owner:ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD

Method for separating and purifying gelsevirine, koumidine, koumine, gelsemine and furan koumine from gelsemium elegans benth

ActiveCN107118219ASolve tailingEnsure repeated useOrganic chemistryNatural resourceFuran
The invention discloses a method for extracting and separating gelsevirine, koumidine, koumine, gelsemine and furan koumine from gelsemium elegans benth. The method comprises the following steps: extracting and neutralizing gelsemium elegans benth raw materials by using an acidic water solution, and drying under reduced pressure, thus obtaining gelsemic acid water extract; extracting the gelsemic acid water extract by using an organic solvent, concentrating, dissolving by water and carrying out freeze drying, thus obtaining gelsemium elegans benth extract powder; separating and purifying the gelsemium elegans benth powder, thus respectively obtaining the gelsevirine, the koumidine, the koumine, the gelsemine and the furan koumine. According to the method disclosed by the invention, the gelsevirine, the koumidine, the koumine, the gelsemine and the furan koumine which are high in purity can be extracted and separated from the gelsemium elegans benth, the operation is simple, the cost is low, simultaneous separation of various alkaloids in the gelsemium elegans benth is realized, and the method is beneficial for comprehensive utilization of natural resources.
Owner:HUNAN AGRICULTURAL UNIV

Liquid chromatography column and high performance liquid chromatography analytical method

The invention relates to a novel liquid phase chromatographic column. The chromatographic column comprises a chromatographic column tube, chromatographic column heads arranged on two ends of the chromatographic column, a gasket, a sieve plate and a column core; the diameter of the column core is less than the inside diameter of the chromatographic column tube; the column core and the chromatographic column tube are coaxially arranged in the center of the chromatographic column; the center of the sieve plate is perforated; each of the centers of the upper underside and the lower underside of the column core is provided with a small column; and the size of the small column is matched with the aperture of the center of the sieve plate. Through fixing the column core in the chromatographic column tube, the novel liquid phase chromatographic column can basically solve the problem of tail formation commonly existing in chromatographic analysis, thereby improving the resolution of the chromatographic column and having wide application prospect in the fields of chemical engineering, biology, medicine and so on.
Owner:BEIJING UNIV OF CHEM TECH

Preparation method of amylose type derivative functional inorganic-silicon-based chiral micro-sphere fixed-phase material

The invention provides a preparation method of an amylose type derivative functional inorganic-silicon-based chiral micro-sphere fixed-phase material. The preparation method comprises the following steps: (1) stirring and reflowing dried mirco-crystalline amylose in anhydrous N,N-dimethylacetamide; cooling to a room temperature and then adding lithium chloride; after raising the temperature, adding anhydrous pyridine; after reflowing, adding 3,5-dimethylphenyl isocyanate; continuously stirring and reflowing and adding 3-(trimethoxysilicon) propyl isocyanate and continuously stirring and reflowing; treating with excessive amount of the 3,5-dimethylphenyl isocyanate; (2) dissolving into tetrahydrofuran and adding n-heptanol, ethyl orthosilicate, water and trimethylsilyl chloride; (3) adding into a sodium dodecyl sulfate water solution; (4) adding trimethylsilyl chloride and anhydrous toluene and reacting under a nitrogen gas atmosphere. A synthesis route is clear and feasible, developed in process, simple to operate and easy to realize and has a few of conditions needing to be controlled; the preparation method can be used for large-scale batch production.
Owner:HARBIN ENG UNIV

Preparation method of functional inorganic silicon-based chiral microsphere fixed-phase material based on amylose derivatives

The invention provides a preparation method of a functional inorganic silicon-based chiral microsphere fixed-phase material based on amylose derivatives. The preparation method comprises the following steps: taking amylose as an initial raw material; simultaneously introducing 3,5-dimethylphenylcarbamate and a small amount of 3-(trimethylsiloxy)propyl carbamate in a sugar unit of the amylose; and synthesizing into amylose-tri(3,5-dimethylphenylcarbamate) derivatives containing a small amount of 3-(trimethylsiloxy)propyl groups . On that basis, the synthesized amylose derivatives are fully dissolved in tetrahydrofuran, the mixture and tetraethylortho silicate are subjected to crosslinking copolymerization by a sol-gel process, then the product is dispersed and aged in a sodium dodecyl sulfate aqueous solution, and finally, organic and inorganic hybridized silicon spheres with high content of the amylose derivatives are prepared. The surface of the obtained material is subjected to end sealing. The whole synthesis process is simple, mature and easy to control, the yield is high, and therefore, the preparation method can be used for large-scale batch production.
Owner:HARBIN ENG UNIV

Image sensor and formation method thereof

The invention provides a formation method of an image sensor. The wiring of photodiodes is connected with a diode structure, and the diode structure is controlled through an external circuit so as totimely export photon-generated carriers in the photodiodes, thereby solving a problem of image tailing. The formation method of the image sensor comprises the steps of providing three or more vertically stacked photodiodes; forming a diode structure coupled to one of the photodiodes, wherein the diode structure includes first doping regions which are arranged adjacent to each other in a vertical direction and second doping regions with the doping type being opposite to that of the first doping regions, and the photodiodes are coupled to the first doping regions; and forming a metal interconnection structure coupled to the second doping regions.
Owner:HUAIAN IMAGING DEVICE MFGR CORP

Pixel defining layer, manufacturing method and display panel

The invention discloses a pixel defining layer, a manufacturing method and a display panel. The pixel defining layer comprises a first pixel defining layer arranged on the substrate and a second pixeldefining area located at the side, away from the substrate, of the first pixel defining layer. The surface, close to the substrate, of the second pixel defining area and the surface, away from the substrate, of the first pixel defining layer have an annular non-overlapping area, and the orthographic projection, on the substrate, of the surface, close to the substrate, of the second pixel definingarea covers the orthographic projection, on the substrate, of the surface, away from the substrate, of the first pixel defining layer; the second pixel defining area comprises a second pixel defininglayer and an annular ultraviolet light absorption layer close to the first pixel defining layer, and the orthographic projection of the ultraviolet light absorption layer on the substrate covers theorthographic projection of the non-overlapping area on the substrate. According to the embodiment provided by the invention, through the arrangement of an ultraviolet light absorption layer, the trailing problem of the pixel defining layer caused by light scattering in the exposure process can be solved.
Owner:BOE TECH GRP CO LTD

Nougat center used for biscuit and preparation method thereof

InactiveCN107821549AThe structure is soft and does not stick to the teethStructural influenceBakery productsOil oxidationSugar
The invention relates to a nougat center used for biscuits and a preparation method thereof. The nougat center is formed by raw materials in the following weight parts: 9-15 parts of water, 20-30 parts of granulated sugar, 40-50 parts of malt syrup, 1.5-3.0 parts of egg white, 1-5 parts of gelatin, 0.1-0.2 parts of salt, 0.8-2.5 parts of cream, 3.0-4.0 parts of shortening, 4.2-5.5 parts of whole milk powders, 1.5-3.0 parts of whey mist, 0.15-0.25 parts of essence. Grease content of the nougat center is 3.9-5.5%. Compared with grease content of grease center, the grease content is much reduced.The nougat center is sweet without greasy, and soft in structure and does not adhere to teeth. The nougat center is rich in tastes and is nutrient and healthy. In normal temperature, expiration dateof the nougat center reaches 9 months, a product would not have oil oxidation and deterioration phenomenon since storage time is too long, and would not have moisture migration which influences biscuit structure.
Owner:恩格乐香精香料(上海)有限公司

Image sensor and forming method thereof

The invention provides an image sensor and a forming method thereof. Specifically, the forming method comprises the following steps of providing a device layer substrate, wherein the device layer substrate comprises a first surface and a second surface which are oppositely arranged; forming a diode structure, wherein the diode structure starts at the first surface of the device layer substrate andextends to the second surface of the device layer substrate, and the diode structure comprises a first doping region adjacently arranged in a horizontal direction, and a second doping region with a doping type opposite to that of the first doping region; forming a steering connecting piece which covers the first surface of the device layer substrate, wherein the steering connecting piece has a first side and a second side in the horizontal direction, the first side is electrically connected with the first doping region, and the second side is abutted to the outside of the diode structure; turning over the device layer substrate; forming a connecting plug which extends in a vertical direction and is electrically connected with the second side; and forming a pixel unit comprising three or more photodiodes stacked in the vertical direction, wherein one photodiode is electrically connected with the connecting plug.
Owner:HUAIAN IMAGING DEVICE MFGR CORP

Identification method for Tibetan herb Saibei Corydalis

The invention provides an identification method for a Tibetan herb Saibei Corydalis. The identification method comprises the following steps: preparing a reference sample, preparing a test sample, and acquiring a fingerprint map of the Saibei Corydalis through high-performance liquid chromatography, wherein the chromatographic conditions and the system suitability test are as follows: octadecylsilane bonded silica is used as a filler; acetonitrile is used as a mobile phase A, an aqueous solution containing 0.2% glacial acetic acid and 0.5% triethylamine in percentage by volume is used as a mobile phase B, the pH value of the mobile phase B is 6.0, and gradient elution is performed; the detection wavelength is 285nm; counted by an original protopine peak, the number of theoretical plates is not be less than 3000. The identification method for the Saibei Corydalis is simple and convenient, and high in reproducibility and accuracy; as long as the selected herb has the fingerprint map specified in the application, the herb is confirmed as the Saibei Corydalis, therefore, the accuracy of herb selection is ensured and further the quality of a finished medicine is further ensured.
Owner:SHANDONG JINHE DRUG RES DEV

Device and a method for process for removing nitric oxide from tail gas of sulfur recovery device

ActiveCN112495160AResolve export tailingSolve the problem of white smokeGas treatmentDispersed particle separationPtru catalystNitrogen oxides
The invention provides a device and a method for a process for removing nitric oxide from tail gas of a sulfur recovery device. The system comprises a sulfur recovery tail gas incineration device, a heat exchanger, a desulfurization device, a first-stage steam heater, a GGH heat exchanger, a second-stage steam heater, an ammonia spraying grid, a denitration reactor and a flue gas pipeline. Tail gas of the sulfur recovery device is incinerated to enable sulfur-containing compounds in the tail gas to be incinerated and converted into SO2, high-temperature flue gas obtained after incineration isintroduced into the heat exchanger, the temperature of the flue gas is reduced, and then the flue gas is introduced into a desulfurization device for desulfurization. Desulfurized flue gas passes through the first-stage steam heater, the GGH heat exchanger, the second-stage steam heater and other devices to enable the temperature to reach the efficient reaction temperature interval of the denitration reactor, then the flue gas enters the denitration reactor to complete nitrogen oxide removal, heat exchange between reacted high-temperature flue gas and cold flue gas is completed through the GGHheat exchanger, and the flue gas is discharged through a chimney after the temperature of the flue gas is reduced. A series of defects of catalyst poisoning, blockage and the like in a traditional arrangement mode of denitration before desulfurization are overcome.
Owner:江苏昆仑互联科技有限公司

Denoising method and device for infrared image

PendingCN114119385AReduce Infrared Image BiasReduce distractionsImage enhancementImage analysisOpticsMedicine
The invention relates to an infrared image denoising method and device, and belongs to the technical field of image processing, and the method comprises the steps: carrying out the dead pixel recognition of an infrared image; carrying out dead pixel correction on the identified dead pixels; performing enhancement processing on the infrared image after the dead pixel correction; and performing de-noising processing on the infrared image after enhancement processing. The infrared image processing method and device solve the problems that due to physical defects of an infrared image sensor, some abnormal points, namely dead pixels, exist in an infrared image, noise of the infrared image is large, the quality of the infrared image is affected, and the visual effect of the infrared image is poor, and the infrared image processing method and device have the effect of improving the quality of the infrared image.
Owner:CHINA ACAD OF SAFETY SCI & TECH +1

A card-issuing device and automatic ticket-issuing equipment

A card downward-dispensing device and an automatic ticket / card dispenser. The card downward-dispensing device comprises a ticket / card box seat frame, a card friction wheel assembly and a movable rear rolling wheel assembly provided within the ticket / card box seat frame. The card friction wheel assembly is provided at a position in the middle of the bottom of the ticket / card box seat frame, close to the front side, and comprises a card friction wheel for applying friction to a card so as to generate a frictional force to push the card out of the ticket / card box. The movable rear rolling wheel assembly is provided on the rear side of the bottom of the ticket / card box seat frame, and comprises a rear rolling wheel which can move up and down. The bottom surface of the ticket / card box is provided with an opening, and the card friction wheel and the rear rolling wheel protrude from the opening to enter the bottom surface of the ticket / card box and keep in contact with cards within the ticket / card box. As the rear rolling wheel has the capability of adaptively moving up and down, in the case of there being many cards, the cards can meet the need for slope climbing, and in the case of there being few cards, the slope climbing process is cancelled, solving the problem that the card outputting success rate is low.
Owner:GRG BAKING EQUIP CO LTD +1

Exterior shooting device and exterior shooting method

The invention relates to an exterior shooting device and an exterior shooting method. The exterior shooting device provided by the invention is connected to a vehicle-mounted set top box provided with a memory and a display screen and comprises an image acquisition module and a processing module, wherein the image acquisition module is used for collecting images outside the windows of a vehicle; and the processing module is used for processing the collected images, storing the processed images to the memory of the vehicle-mounted set top box and displaying the processed images through the display screen of the vehicle-mounted set top box. The invention also configures an exterior shooting method. By applying the technical scheme of the invention, when exterior images are recorded, the memory and display functions of the vehicle-mounted set top box can be relied on, thus the exterior shooting device has the advantages of simple structure and low cost.
Owner:SHENZHEN JIUZHOU ELECTRIC

Intelligent group formation movement control method based on fuzzy logic

The invention discloses an intelligent group formation movement control method based on fuzzy logic, and solves the technical problems of group movement oscillation, poorer stability and low control efficiency of multi-agent formation. The overall scheme is that the method comprises the steps of generating and gathering intelligent groups; constructing the formation of the intelligent group; carrying out orthogonal decomposition on the stress of the intelligent agent; introducing a dissipation force to optimize the moving efficiency; introducing a retaining force to optimize the stability; and setting a fuzzy controller to perform intelligent group formation movement control to realize group following movement control. The dissipation force and the retention force are introduced to optimize the potential field force, so that the invalid motion is reduced, and the efficiency and the stability are improved; control parameters of the fuzzy controller are adjusted, so the output is better matched with the actual environment, and the adaptability of the intelligent agent is improved; each agent can independently process data and information, and damage and departure of nodes in a group do not affect group movement; the method is suitable for multi-agent formation movement control.
Owner:XIAN UNIV OF POSTS & TELECOMM

A method for the combined degradation of polycyclic aromatic hydrocarbon pollutants in soil by chemical oxidation and anaerobic microorganisms

A method for degrading PAHs (polycyclic aromatic hydrocarbons) pollutants in soil by using a combined chemical oxidation-anaerobic microorganism method, mainly comprising the following steps: (1) chemical pre-oxidation treatment of PAHs (polycyclic aromatic hydrocarbons) contaminated soil; (2) ) on the anaerobic microbial culture of PAHs (polycyclic aromatic hydrocarbons) contaminated soil pretreated by chemical oxidation. This method combines the advantages of chemical oxidation and anaerobic microbial degradation. First, the PAHs in soil are degraded to a lower concentration level (toxic level) in a relatively short time, and then the remaining PAHs are degraded under milder conditions. Solve the problem of pollutant tailing in soil after chemical oxidation, and by adding electron acceptor (NO 3 ‑ ) and nutrients, etc., an economical and feasible remediation technology that utilizes indigenous microorganisms in soil to degrade PAHs in soil after chemical oxidation, and has broad application prospects.
Owner:北京市科学技术研究院资源环境研究所

Preparation method of amylose derivative functionalized inorganic silicon-based chiral microsphere stationary phase material

The invention provides a preparation method of an amylose type derivative functional inorganic-silicon-based chiral micro-sphere fixed-phase material. The preparation method comprises the following steps: (1) stirring and reflowing dried mirco-crystalline amylose in anhydrous N,N-dimethylacetamide; cooling to a room temperature and then adding lithium chloride; after raising the temperature, adding anhydrous pyridine; after reflowing, adding 3,5-dimethylphenyl isocyanate; continuously stirring and reflowing and adding 3-(trimethoxysilicon) propyl isocyanate and continuously stirring and reflowing; treating with excessive amount of the 3,5-dimethylphenyl isocyanate; (2) dissolving into tetrahydrofuran and adding n-heptanol, ethyl orthosilicate, water and trimethylsilyl chloride; (3) adding into a sodium dodecyl sulfate water solution; (4) adding trimethylsilyl chloride and anhydrous toluene and reacting under a nitrogen gas atmosphere. A synthesis route is clear and feasible, developed in process, simple to operate and easy to realize and has a few of conditions needing to be controlled; the preparation method can be used for large-scale batch production.
Owner:HARBIN ENG UNIV

Method for detecting contents of tert-butylamine, sec-butylamine and triethylamine in artificial bear gall powder

The invention discloses a method for detecting the content of tert-butylamine, sec-butylamine and triethylamine in artificial bear gall powder. The method is carried out according to the following steps: 1) selecting chromatographic conditions: a chromatographic column is a phemomenex ZB-1 capillary column (or a capillary column with efficacy equivalent to that of the phemomenex ZB-1 capillary column), and the specification is 60m * 0.53 mm, 3.0 [mu] m; the carrier gas is nitrogen, and the flow velocity is 3.0 ml / min; the temperature of a sample inlet is 200 DEG C; the split ratio is 20: 1; the detector is a hydrogen flame ionization detector; the temperature of the detector is 220 DEG C; the headspace sampling amount is 5ml; the heating procedure comprises the following steps: keeping for 10 minutes from 50 DEG C, raising the temperature to 70 DEG C at the rate of raising 1 DEG C per minute, keeping for 5 minutes, raising the temperature to 220 DEG C at the rate of raising 40 DEG C per minute, and keeping for 10 minutes; the headspace temperature is set as follows: the box body temperature is 80 DEG C, the flow path temperature is 85 DEG C, the transmission line temperature is 90 DEG C, the circulation time is 65 minutes, and the sample preheating time is 60 minutes; 2) preparing a reference substance solution and a to-be-tested sample solution; and 3) carrying out headspace treatment, carrying out chromatographic determination, and calculating the contents of tert-butylamine, sec-butylamine and triethylamine in the artificial bear gall powder sample.
Owner:中山百盛生物技术有限公司

High-purity wild blueberry anthocyanin industrial purification system and purification method

ActiveCN111848568BSolve industrial mass productionSolve tailingOrganic chemistryWater rinsingMacroporous resin
The high-purity wild blueberry anthocyanin industrial purification system and its purification method belong to the technical field of blueberry anthocyanin processing. The tubular storage tank is arranged horizontally, and the tubular storage tank is connected with the inlets of multiple macroporous resin columns, and the low-purity horizontal tank and the high-purity horizontal tank are respectively connected with the outlets of all macroporous resin columns through pipelines. A method for industrial purification of high-purity wild blueberry anthocyanins, comprising the following steps: S1. washing the macroporous resin column with purified water; S2. absorbing the concentrate by the macroporous resin column; S3. simultaneously washing the inside of the macroporous resin column with pure water; S4. Detect the polysaccharide content of the water in the liquid discharged from the macroporous resin column; S5. The release solution that is equipped with 20% ethanol enters multiple macroporous resin columns at the same time for release; S6. injects the release solution of 60% ethanol; S7 .Purified water for resin flushing. The separation and purification system of the invention reduces the cost and improves the separation and purification efficiency. The separation and purification method of the present invention can obtain high-purity anthocyanins by using a gradient analysis method.
Owner:哈尔滨工大中奥生物工程有限公司

High-purity wild blueberry anthocyanin industrial purification system and purification method thereof

ActiveCN111848568ASolve industrial mass productionSolve tailingOrganic chemistryMacroporous resinPolysaccharide
The invention discloses a high-purity wild blueberry anthocyanin industrial purification system and a purification method thereof, and belongs to the technical field of blueberry anthocyanin processing. A tubular storage tank is horizontally arranged, the tubular storage tank is communicated with inlets of a plurality of macroporous resin columns, and a low-purity horizontal tank and a high-purityhorizontal tank are respectively communicated with outlets of all the macroporous resin columns through pipelines. The industrial purification method of high-purity wild blueberry anthocyanin comprises the following steps of: S1, flushing the macroporous resin columns with purified water; S2, adsorbing a concentrated solution by using a macroporous resin column; S3, flushing the interior of the macroporous resin columns with pure water at the same time; S4, detecting the polysaccharide content of water in the liquid discharged from the macroporous resin column; S5, allowing a desorption solution with 20% ethanol to simultaneously enter the plurality of macroporous resin columns for desorption; S6, injecting a desorption solution of 60% ethanol; and S7, flushing the resin with purified water. According to the separation and purification system, the cost is reduced, and the separation and purification efficiency is improved. The separation and purification system provided by the invention reduces the cost and improves the separation and purification efficiency. The separation and purification method disclosed by the invention utilizes gradient analysis to acquire high-purity anthocyanin.
Owner:哈尔滨工大中奥生物工程有限公司

Kalman filter-based data processing method suitable for ACCT

The invention discloses a Kalman filter-based data processing method suitable for ACCT, belongs to the technical field of particle accelerators, and solves the technical problems of trailing and ringing occurring when ACCT measures the flow intensity of a beam current by adding a synchronizing signal at the current moment into a mathematical model of a Kalman filter. The method is suitable for a system with uncertain measurement precision, the Kalman filter used in the method can be used in any dynamic system containing uncertain information, the next trend of the system can be predicted according to the prediction result, and the Kalman filter can always indicate the real occurrence situation and is self-adaptive even along with various interferences. The weights of the measurement precision and the model precision can be adaptively adjusted in the iteration process according to the measurement precision and the model precision, and an accurate result is obtained.
Owner:NANJING UNIV +1
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