38results about How to "Efficient extraction process" patented technology

The invention relates to a process for continuously extracting a plurality of products from highland barley, which comprises the following steps: (1) pulverizing highland barley raw material and screening highland barley flour and highland barley bran; (2) extracting and centrifugalizing the highland barley flour by alkaline solvent, collecting supernate and depositing and extracting albumen powder by acid; washing, freezing and drying the sediment at low temperature to obtain highland barley starch; (3) after the highland barley bran is extracted by a supercritical carbon dioxide technology or quenched by small polar solvent, obtaining highland barley bran oil; (4) after the degreased bran is ultrasonically extracted or stewed and centrifugalized by taking water as solvent, respectively obtaining powder containing highland barley beta-glucan and concentrated solution containing highland barley flavone and amino acid; and (5) after residues obtained in the step (4) are dried and pulverized in an ultramicro way, obtaining highland barley water insoluble fiber albumen powder. The process can continuously obtain six highland barley deep-processing products, effectively improves the utilization ratio of the highland barley and increases the utilization value of the highland barley.

The invention discloses a method for extracting effective flavonoid components in traditional Chinese medicine pericarpium citri reticulatae. The effective flavonoid components comprise one or more than two of aurantiamarin, nobiletin and hesperetin. The method comprises the following steps: mixing pericarpium citri reticulatae medicine powder and a molecular sieve absorbent according to a mass ratio of 1 to (0.25-3) so as to obtain a mixture, adding the mixture into a mortar for grinding to obtain ground solid, adding a sieve plate into the bottom of a small solid-phase extraction column, filling the small column with the ground solid, adding the sieve plate into the top of the small solid-phase extraction column after the ground solid is compacted, putting the compacted small column on a solid-phase extractor, injecting an eluent into the small column, starting an air extracting pump of the solid-phase extractor, eluting the small column, collecting the eluent by a centrifuge tube at the bottom, whirling and centrifuging the eluent in the centrifuge tube after the elution is ended, so as to obtain supernatant liquid as effective flavonoid component extraction liquid. According to the method, a molecular sieve is used as the absorbent; with the combination of a matrix solid-phase dispersion extraction technique, the effective flavonoid components in the traditional Chinese medicine pericarpium citri reticulatae can be extracted and detected in an efficient and environmental-friendly manner.

The invention discloses a preparation method of raw powder of each gram of bacillus subtillis with five hundred billion of live germs, which comprises the following steps: (A) the screening of a Bs strain: collecting a sample from soil and water; weighing the sample on a sterile and ultraclean table and then loading the sample in a small triangular flask; adding sterile water into the triangular flask and standing still the sample; (B) the confirmation of the Bs strain: carrying out molecular classification according to a 16S rDNA sequence and together testing effective basic groups of the 16S rDNAs of the strain and identifying the strain; (C) a culture medium of the Bs: utilizing a single factor experiment to select a factor from numerous carbon sources, nitrogen sources and trace element factors firstly by adopting a response surface experiment designed by Box-Behken and using the germ number as a screening index; (D) using a high-density liquid feed-batch fermentation technology for improving the quantity of fermentation organisms so as to use the culture medium of a response surface method to carry out batch fermentation by using a fermentation early phase, an exponential phase, a stationary phase OD, dissolved oxygen, pH and germ numbers as indexes; (E) carrying out a germ extraction and recovery process; and (F) detecting the number of live germs. The number of the live germs in raw medicine prepared by the process of the bacillus subtillis reaches five hundred billion / gram.

The invention provides a method for smelting high-purity nickel-molybdenum alloy by using complex nickel-molybdenum ore. The alloy comprises the following components in percentage by mass: 8 to 30 percent of Ni, 10 to 30 percent of Mo, less than or equal to 0.5 percent of Si, less than or equal to 0.5 percent of C, less than or equal to 0.1 percent of Cu, less than or equal to 0.03 percent of P, less than or equal to 0.03 percent of S, and the balance of iron. According to the characteristic that the complex nickel-molybdenum ore is difficult to separate, the high-purity nickel-molybdenum alloy is smelted by adopting the routes of oxidizing and roasting nickel-molybdenum sulfide type mineral to remove sulfur, reducing and smelting high-alkalinity slag to obtain crude alloy, refining high-alkalinity weak oxidative slag to remove silicon and phosphorus and treating and refining Ba-Ca in vacuum to deeply remove phosphorus, sulfur and oxygen; the alloy can be used for nickel-molybdenum alloying and alloying of high nickel-molybdenum alloy steel in high-purity steel production, and has the advantages of high purity, no pollution, good alloying effect and the like; and the method has the characteristics of pure fire method, greenness, no pollution, simplicity in process and the like, realizes efficient utilization of the difficultly separated complex nickel-molybdenum ore, and is worthy of popularization.

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 provides an extracting and detecting method for flavonoid in radix sophorae subprostratae. The flavonoid to be detected is lupinifolin and radix sophorae subprostratae chroman flavanone C which are respectively called flavone 1 and flavone 4 for short. The extracting and detecting method disclosed by the invention creatively combines a matrix solid-phase dispersion extraction technology with a reverse micro-emulsion electrokinetic chromatography technology, utilizes combination of an offline enrichment technology and an online enrichment technology to achieve secondary enrichment of the flavonoid in the radix sophorae subprostratae and is beneficial to quantitative detection of the flavonoid in the radix sophorae subprostratae. Furthermore, the extracting and detecting method disclosed by the invention is implemented in a microscale system, the used medical materials and experiment drug reagents are all in a microgram level, the use amount of harmful chemical reagents is small, and safety, economical performance and environmental friendliness are achieved.

The invention relates to a method for extracting a ginseng fruit effective component for preparing dispersing tablets / buccal tablets. The invention also relates to an application method of the dispersing tablets and buccal tablets prepared from a ginseng fruit extract in treating a qi-yin asthenia disease and a heart-spleen deficiency disease. A preparation method of the tablets comprises steps of crushing, decocting, alcohol extracting, filtrate combing, clear past condensing, drying, and ultra-fine crushing. With the steps, main medicine ultra-fine powder is obtained; auxiliary materials are added to the powder, the mixture is well mixed, and is prepared into the dispersing tablets / buccal tablets. The preparation method is more efficient and saving. According to the invention, the ginseng fruit extract dispersing tablets / buccal tablets has functions of qi benefiting, body fluid generating, yin nourishing and dryness moisturizing. The tablets are used for treating the qi-yin asthenia disease and the heart-spleen deficiency disease.

The invention belongs to the field of health care products, and particularly relates to an alcohol-free large-tonifying beverage extracted through medium-and-low-temperature composite enzymatic hydrolysis and a preparing method thereof. The alcohol-free large-tonifying beverage is formed by evenly mixing concentrated liquor of cordyceps sinensis, lucid ganoderma and corn cervi pantotrichum and nourishing-auxiliary-material extracting liquid according to a certain proportion. According to the alcohol-free large-tonifying beverage extracted through medium-and-low-temperature composite enzymatichydrolysis and the preparing method thereof, water serves as a solvent, three raw materials of cordyceps sinensis, lucid ganoderma and corn cervi pantotrichum are mixed and subjected to wall breaking,and then the alcohol-free large-tonifying beverage is extracted with the biological enzymolysis method with the mild and efficient technology condition in a same system. In the extracting process, dual-step compound enzymic hydrolysis through non-protease and protease is conducted, the obtained extracted does not contain alcohol substances, bioactive constituents in the raw materials are well reserved. The compound biological-activity health care beverage prepared with the method has high nourishing ingredients and a healthcare function, and is suitable for recuperating persons, old people and weakness-due-to-chronic-disease persons to take.

The invention discloses a full-automatic dynamic solid-liquid separation extractor comprising an extracting tank, a temporary storage tank of extract, a heat exchanger, a temperature control device of the heat exchanger, a gas-liquid separator, a recovered solvent condenser and a computer control system, wherein the extracting tank is in inverted cone shape; the upper part of a tank body is provided with a feed hopper and an upper liquid in-out port, and the bottom of the tank body is provided with an automatic deslagging door which is provided with a lower liquid in-out port; the upper part of the liquid in-out port of the automatic deslagging door is provided with a metal screen; and the extracting tank, the temporary storage tank and the heat exchanger form the external recycle system of extract by a circulating pump and a pipeline. The whole working process is finished by a computer control system. An external automatic control and circulation system of extract temperature is used to quickly heat extract in the extracting tank to the required extracting temperature to automatically keep temperature; concentration difference between material and extract liquor is minimized so as to effectively avoid the problems of overheating, coking, binding and the like which are produced by direct contact of solid material and heating surface and are unfavorable for extract quality. The invention has the advantages of high extraction efficiency, high leaching speed, high complete-extraction rate of effective ingredient, small draining coefficient, low-temperature leaching, even heating, energy saving and the like.

The invention discloses a method for preparing emodin and physcion from cassia seeds, belonging to the field of functional component extraction. The method comprises the following steps: selecting dried leguminous cassia seeds for subsequent usage; weighing the dried cassia seeds, allowing a material-liquid ratio (g / mL) of the cassia seeds to 60-80% ethanol to be 1: (6-10), performing flash extraction under the condition of room temperature, a voltage of 60-140 V and a rotation speed of 3600 r / min for 60-120 s, then carrying out filtering with eight layers of gauze, repeatedly extracting residues three times, and finally combining obtained extracts; mixing a crude extract with a developing agent, carrying out vibrating and centrifugation, and removing residues while leaving liquid; clarifying, filtering and concentrating the obtained material by using a ceramic ultrafiltration membrane; and concentrating remaining aqueous-phase materials, adding the concentrated aqueous-phase materialsto excess ethanol for precipitation, and performing suction filtration to obtain emodin and physcion crystals. Compared with conventional processes, the method of the invention prevents heat-sensitive anthraquinone glycoside in Chinese rhubarb from thermal damage; and the flash extraction process is stable, rapid and highly-efficient, does not need heating, only takes 60 s in single extraction, and can save a great amount of energy and time when applied to industrial production.

The invention provides a preparation method of litsea cubeba fruit essential oil with antibacterial activity. The litsea cubeba fruit essential oil with antibacterial activity mainly comprises 56.60%of citral, 22.95% of Limonene, 7.95% of pinene, 2.81% of laurene, and 1.44% of linalool. According to the preparation method, microwave assisted extraction technology is adopted, an extracted productcan be obtained through destroying gland cells in litsea cubeba fruit skin tissues. In the preparation method, air drying, crushing, and sieving of the litsea cubeba fruit raw material are not needed,essential oil loss can be avoided as far as possible, and at the same time, cost is reduced; and in addition, the microwave assisted extraction technology, so that extraction efficiency is increasedgreatly, and cost is reduced.

The invention discloses guaiazulene and an extraction process thereof. The extraction process comprises the following steps: distilling and vacuum collecting natural essence and fragrance oil comprising an azulene compound, and obtaining a fraction A; dehydrating the fraction A, decompression distilling, and obtaining a fraction B; dehydrogenating the fraction B, vacuum distilling, and obtaining an azulene-containing mixed solution; adding an acid solution B and organic solvent into the azulene-containing mixed solution, uniformly mixing, standing, layering, uniformly mixing and stirring the acid layer solution, cold water A and petroleum ether, settling, discharging the acid water, filtering the residues, placing the residual solution into a recycling kettle, adding cold water B into therecycling kettle, slowly heating until all petroleum ether is completely distilled, cooling, standing, layering, removing the moisture, and obtaining a guaiazulene crude product; and crystallizing andfiltering the guaiazulene crude product, and obtaining a guaiazulene pure product with the purity being 99 percent or above and the yield of 2.9 to 3.6 percent. The extraction process is safe, and environmentally friendly, and prepared guaiazulene is high in purity and high in yield.

The invention discloses a method for rapidly extracting high molecular weight silk fibroin, which is characterized in that a pair of silk gland is removed from maturated insect, epithelial tissue on outer layer is removed to obtain a segment of clear and transparent band, the band protein is immersed in deionized water or PBS for rinsing and removing sericin, and thereby the silk fibroin is obtained. The method has the advantages of simple operation, short production period, simple extraction process and high efficiency, complex and tedious material extraction process is not required, and time is greatly saved. In the method, no other toxic chemical reagent is used during the extraction process, the preparation condition is mild, cost is greatly reduced, other waste is not generated, and zero pollution is generated for environment.

The invention discloses a method for improving mechanical properties of a silk protein membrane by virtue of biological mineralization. The method is realized by the following steps of dissolving an aqueous solution of silk protein or silk protein powder in organic solvents such as hexafluoroacetone, hexafluoroisopropanol and formic acid to obtain a silk protein solution, then dropwises adding the aqueous solution of silk protein or the silk protein solution to a plastic plate and drying to obtain the silk protein membrane. By adopting the method disclosed by the invention. The mechanical properties of the silk protein membrane are significantly improved and the time is greatly saved and the method has the advantages of short production period, simple and efficient extraction process and no complicated and tedious mineralization process and is simple to operate.

The invention discloses a poplar bark extract fodder additive and a preparation method thereof. According to the poplar bark extract fodder additive, the first time of extraction is conducted with poplar bark as the raw material and an ethanol solution as the solvent, filtering is conducted, filter liquor is subjected to vacuum concentration, ethyl alcohol is recovered, and poplar bark alcohol extract is obtained; the second time of extraction is conducted on solid residues with water used as the solvent, and filtering is conducted to obtain poplar bark water extract; the poplar bark alcohol extract and the poplar bark water extract are combined and subjected to vacuum concentration to obtain pasty poplar bark extract; and the pasty poplar bark extract and a proper carrier used as an adsorbent are evenly mixed, dried, smashed and screened, so that the poplar bark extract fodder additive is obtained. When being added into basic livestock fodder, the poplar bark extract fodder additive has the effects of improving the animal production performance and enhancing animal organism immunity; and the raw materials are abundant, the price is low, and the poplar bark extract fodder additive is convenient to apply and popularize.

The invention discloses a method for detecting the content of carbaryl in food by combining liquid phase micro-extraction with thread microfluid colorimetry. The method comprises the following steps of: 1) treating a cotton thread into neutral, then performing fixing and wetting, and adding a diazonium salt; 2) crushing a to-be-detected sample, performing extracting to obtain an extracted solution, and performing filtering with a filter membrane; (3) sequentially adding carbonate, an extracting agent and citric acid into the extracted solution, carrying out centrifugal treatment, and taking anupper-layer organic phase; 4) dripping the organic phase onto the cotton thread, photographing the cotton thread, and calculating RGB intensity according to a formula 1); and 5) preparing carbaryl standard solutions with different concentrations, drawing a standard curve by taking the concentrations of the carbaryl standard solutions as the abscissa and taking the RGB intensity as the ordinate according to the RGB intensity corresponding to the carbaryl standard solutions obtained in steps 3) and 4); and according to the standard curve and the RGB intensity determined in step 4), acquiring the concentration of carbaryl in the to-be-detected sample. According to the method provided by the invention, the reagents used in the method are green and environmentally friendly, the operation process is simple and rapid, the experiment result is accurate and reliable, and remote and on-site rapid detection can be achieved.

The invention discloses a method for improving biological mineralization capacity of silk fibroin. The method comprises the steps of through a bacteriophage displaying technique, displaying polypeptide having a mineralization adjusting and controlling function on the surface of capsid protein of bacteriophage, preparing bacteriophage nanofibers displaying a mineralization inducing function, and forming a mineralization type bacteriophage solution; performing amplification, performing purification and concentrating the mineralization type bacteriophage solution; and adding the mineralization type bacteriophage solution to a silk fibroin solution for assembly so as to obtain modified silk fibroin. The modified silk fibroin obtained by the method disclosed by the invention has more excellentcapacity for adjusting and controlling nucleation and growth of a mineralizer than silk fibroin which is not improved, the modifying method is simple to operate and effective, the modifying technologyis efficient, the production cycle is greatly shortened, and the method has the advantage that the modified silk fibroin can be obtained in a large-scale manner.

The invention relates to a method for extracting salidroside, polysaccharose and tannin-type substances from rhodiola root crude drugs. The method comprises the following steps of: firstly, drying andcrashing rootstalks of the rhodiola root crude drugs; then, adopting the supercritical carbon dioxide technology to extract oil type substances from the rhodiola root crude drugs, and carrying out microwave extraction, deposition in alcohol and filtration so as to obtain sediment and supernatant fluid; and then, drying the sediment to obtain a rough polysaccharose powder product of the rhodiola,and carrying out absorption by macroporous resin, elution and drying to the supernatant fluid so as to obtain a salidroside powder product; and finally, using acetone for extracting microwave extraction residue, and obtaining the rhodiola root tannin extract after centrifugation and drying. The method can simultaneously extract three active ingredients, namely, salidroside, polysaccharose and tannin in the rhodiola root, thus improving the utilization rate of the rhodiola root and increasing the utilization value of the rhodiola root.

The invention discloses a method for preparing high-purity phloridzin by virtue of apple tree branches. The method comprises the steps of raw material pretreatment, supercritical CO2-enzyme extraction, centrifugal partition chromatography purification and the like, and thus, the high-purity phloridzin is finally obtained. The method is applicable to preparation of the high-purity phloridzin with the apple tree branches as raw materials. According to the method, a supercritical CO2 extraction technology is combined with an enzyme-assisted extraction technology, and an enzymolysis process is implemented in supercritical CO2, so that enzymolysis effects and promotion effects on phloridzin extraction are greatly improved; in addition, supercritical CO2 extraction is high in selectivity, an entrainer is not required, and the product is easy to separate and high in purity; the extraction rate of the phloridzin is effectively increased, the high-purity phloridzin is obtained, the separation and purification time is saved, the yield is high, preparation procedures are simplified, and the method is a safe and efficient apple phloridzin extraction process, and has broad application prospect.

The invention discloses an extraction method of lily bulb flavone and an optimization method of the extraction method. The extraction method comprises the following steps of step I, crushing lily bulbs, and performing screening; step II, weighing lily bulb powder, and adding an ethanol solution of which the concentration is 50-90%, wherein the ratio of volume of the ethanol solution to the mass ofthe lily bulb powder is (4:1) to (20:1)ml / g; step III, placing the ethanol solution in which the lily bulb powder is mixed in an ultrasonic breaker of which the water bath temperature is 20-90 DEG Cand the frequency is 100Hz, performing extraction, and after extraction, performing sucking filtration, wherein number of ultrasonic times is 1-3, and the ultrasonic time is 20-100min; and step VI, after ultrasonic extraction, performing sucking filtration, merging filtrate, and concentrating the merged filtrates with a rotation evaporimeter so as to obtain the lily bulb flavone. According to theoptimization method, ultrasonic waves are used for assisting in the extraction method, and through combination of a response surface, and systems software Design Expert, the best extraction conditionfor the total flavone in the lily bulbs is optimized. The extraction rate is increased, and the technology is stable and reliable and high in maneuverability.

The present invention provides a selenium-enriched extract of the broken cordyla leaf of the catalina, which is extracted from the above-ground part of the stem-leaf of the cordy-leaf broken planta. , add water to extract, and filter to obtain the filter residue and filtrate. The filter residue was extracted again under the same conditions, and the filter residue and filtrate were obtained by filtration. The two extracted filtrates were combined and concentrated to obtain a concentrate. Add ethanol to the concentrated solution, and let the alcohol settle overnight. The liquid phase and solid phase after alcohol precipitation were separated by filtration. The solid phase was dissolved in water, ethanol was added, and the alcohol precipitation was allowed to stand overnight. The liquid phase and solid phase after alcohol precipitation are separated by filtration, and the solid phase is dried to obtain the target product. By adopting the two-step alcohol precipitation method, the total selenium content in the obtained selenium-enriched Viola leaf broken rice chestnut extract reaches more than 2800 mg / kg, and the organic selenium content reaches more than 97%. Further, the present invention also provides the application of the above selenium-enriched Corydalis cordylae broken rice chestnut extract in liver protection, which has remarkable curative effect and can be used to develop a series of functional foods with a wide range of applications.

A method for extracting a region of interest from a large format remote sensing image based on a visual attention mechanism relates to the technical field of remote sensing image processing, in particular to a method for extracting a region of interest from a large format remote sensing image based on a visual attention mechanism. The invention aims to solve the problem that the existing remote sensing image processing technology lacks the ability to search for potential targets in large-format remote sensing images. The present invention is carried out according to the following steps: 1. Target and ROI characteristic analysis; 2. ROI extraction based on visual attention mechanism; 3. Level 1 ROI extraction based on bottom-up stimulation driving mechanism; 4. Secondary region-of-interest extraction for a top-down object-driven mechanism. On the basis of analyzing the characteristics of the target and the region of interest, the invention introduces a psychological model and a calculation model of a visual attention mechanism to study a method for extracting a region of interest from a large-scale remote sensing image. The invention can be applied to the technical field of remote sensing image processing.

The invention discloses a bactericide used for a biofilter filler and a preparation method of the bactericide, and relates to the field of bactericides. The bactericide is composed of the following raw materials in parts by weight: 50-70 parts of resina liquidambaris, 30-40 parts of cortex meliae, 15-25 parts of chenopodium ambrosioides, 30-50 parts of fruits of perilla frutescens, 15-35 parts ofchalcanthite, 12-15 parts of copper hydroxide, 4-6 parts of papain, 1-2 parts of kasugamycin, 15-35 parts of potassium dichromate, 8-10 parts of potassium iodate, 18-22 parts of sodium dodecyl benzenesulfonate, 1-2 parts of trimethoprim, 700-800 parts of deionized water, and 100-120 parts of glycerin. The prepared bactericide disclosed by the invention can damage harmful bacteria of the filler inthe process of synthesizing the filler, so that the prepared filler has a high sterile degree and does not cause secondary pollution to water bodies.

The invention relates to the technical field of deodorant, and in particular, relates to an odor improver capable of releasing fragrance and deodorizing. The odor improver comprises a deodorant havingan invaginated mold cavity on the upper surface and an aromatic volatile matter filled in the deodorant, and an isolation membrane is arranged on a contact surface of the deodorant and the aromatic volatile matter; the deodorant is prepared from an adsorptive material. The aromatic volatile matter comprises the components: agar powder, an emulsifier, a muskmelon flavoring agent, a condensation auxiliary agent, a preservative and deionized water. The muskmelon flavoring agent is extracted from cucumis melo and includes a first aromatic extract composed of glycosides, furans, aldehydes and sulfur compounds, and a second aromatic extract composed of a variety of esters. The odor improver can adsorb undesirable odor and volatilize aromatic odor at the same time. The effects of deodorization and odor improvement are good. The volatilized aromatic odor is muskmelon aroma and is quite fragrant.

The invention discloses a method for preparing a honeycomb silk fibroin porous microsphere sustained drug release vector. Fibrous fibroin formed after cocoon degumming is dissolved, filtered, dialyzed and concentrated to obtain silk fibroin aqueous solution; the silk fibroin aqueous solution is subject to ultrasonic dispersion, placed in a dialysis bag and placed in simulated human body fluids of different times concentrations to be soaked, the silk fibroin aqueous solution is processed in a uniform shaking table, the simulated human body fluids are replaced at time intervals to obtain microsphere suspension; and the microsphere suspension is washed many times and undergoes centrifugal separation and drying to obtain apatite / silk fibroin microsphere powder as the sustained drug release vector. Apatite microspheres of a certain size and pore diameters can be formed on the surface of silk fibroin, the dispersity, drug loading performance and sustained release performance are excellent, the honeycomb silk fibroin porous microsphere sustained drug release vector has no toxic or side effect on normal cells, the biocompatibility of the drug vector is improved remarkably, and the honeycomb silk fibroin porous microsphere sustained drug release vector has wide application prospects in the fields such as sustained drug release, tissue engineering and enzyme engineering.

The invention discloses a radio signal feature extraction method based on attention depth network. The implementation steps are: generating a training sample set and a test sample set on the basis of constructing a coded and modulated joint radio signal; constructing an attention mechanism layer for extracting The attention depth network of radio signal features; the training sample set is input into the attention depth network for training, and the trained attention depth network is obtained; the recognition accuracy is obtained by using the test sample set and the trained attention depth network. The invention has the advantages of strong universality, no need for manual feature extraction, redundant information removal, low complexity, accurate and stable classification results, and can be used for cognitive recognition and other processing of subsequent radio signals.

The invention discloses an extracting method of matrine through ultrasonic method, which comprises the following steps: setting the bulk rate of flavescent sophora and solvent at 1:3-15; disposing thecomposite liquid through ultrasound at 200-1000W below 60 deg. c; decompressing; filtering; adding acid to adjust pH value; adding organic solvent to extract the filtrate; separating the condensed evaporated organic solvent through column chromatography; crystallizing; recrystallizing; obtaining the monomer of the product. The invention avoids sophocarpidine from damaging due to high temperature,which saves time and labor effectively.

The invention relates to a preparation method of a traditional Chinese medicine composition capable of diminishing inflammation and relieving pain. The traditional Chinese medicine composition is composed of following medicinal ingredients, by weight, peach kernel, safflower carthamus, radix paeoniae rubra, herba lycopi, liquorice, leech, angelica sinensis, radix aucklandiae, pericarpium citri reticulatae viride, ligusticum wallichii, radix rehmanniae recen, and pseudo-ginseng. The preparation method is simple, scientific, and convenient for operation; and granule and capsule preparations can be prepared finally.

The invention provides a litsea cubeba essential oil with antibacterial activity, mainly comprising: 56.60% citral, 22.95% limonene, 7.95% pinene, 2.81% myrcene, 1.44% linalool and the like. The invention also provides a preparation method of the litsea cubeba essential oil with antibacterial activity. The preparation method introduces microwave-assisted extraction technology, and can obtain the extracted substance by destroying gland cells in the litsea cubeba epidermal tissue. The litsea cubeba raw material used in the present invention does not need to be dried, crushed and sieved, which can save costs while preventing the loss of essential oil to the greatest extent. In addition, the introduced microwave-assisted extraction technology can also greatly improve extraction efficiency and reduce costs.

The invention discloses a method for combined extraction of salidroside and rhodiola polysaccharide. The method comprises the following steps of: firstly, extracting grease components in rhodiola by using petroleum ether, and then extracting salidroside and rhodiola polysaccharide in the rhodiola in an aqueous phase ultrasonic-assisted manner; and carrying out alcohol precipitation and filtration on an extracting solution to obtain polysaccharide components, and carrying out concentration and resin adsorption separation on filtrate to obtain salidroside with relatively high content. According to the method, the extraction route of salidroside is optimized, meanwhile, polysaccharide products can be obtained, and the utilization rate of raw materials is improved.