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36results about How to "Maximum extraction" patented technology

Multi-view stereoscopic vision system and method for indoor scene virtual reality live broadcast

The invention discloses a multi-view stereoscopic vision system for indoor scene virtual reality live broadcast. The multi-view stereoscopic vision system for indoor scene virtual reality live broadcast includes M indoor guide rails, N independent cameras sliding on the M guide rails, N drive dollies which can drive the cameras to move on the guide rails, a processor and virtual reality output equipment, wherein M>=1, and N>=3; the N independent cameras can be combined two by two to shoot a target object, and can transmit the shot information to the processor; after processing the information, the processor transmits virtual reality video signals to the virtual reality output equipment; and a user can observe the target object through the virtual reality output equipment. As the plurality of cameras can form multi pairs of binocular stereoscopic vision systems two by two, the multi-view stereoscopic vision system and system for indoor scene virtual reality live broadcast can observe and shoot the object to guarantee that the environment information of the object and the surrounding environment of the object can be maximally extracted so as to enable 3D modeling to be more exquisite.
Owner:SOUTH CHINA UNIV OF TECH +1

Degradable plastic containing algae protein and preparation method of degradable plastic

The invention discloses a degradable plastic containing algae protein. The degradable plastic is prepared from the following major raw materials in parts by weight: 80-100 parts of microalgae protein powder, 0-20 parts of starch, 2-10 parts of modifier, 10-30 parts of plasticizer and 1-10 parts of surfactant; the various components are mixed in proportions, put into the plate mold of a press vulcanizer, and subjected to hot-pressing and cold-pressing processes, and finally, the degradable plastic containing the algae protein as the major component is obtained. The invention provides a treatment method for changing algae into things of value for the algae bloom burst period; as a result, the treatment method is advantageous for environmental protection.
Owner:无锡太湖蓝藻资源应用技术研究院有限公司

Traditional Chinese medicine composition for treating endometritis and preparation method thereof

The invention relates to a traditional Chinese medicine composition for treating endometritis and a preparation method thereof. The traditional Chinese medicine composition comprises the following components in parts by weight: 7.69 parts of picriafel-terrae lour, 11.54 parts of elephantopus scaber, 7.69 parts of radix angelicae sinensis, 11.54 parts of millettia dielsiana, 11.54 parts of zanthoxylum nitidum, 11.54 parts of membranaceous beautyleaf root, 11.54 parts of persimmon leaves, 11.54 parts of herba thlaspis and 15.38 parts of ficus simplicissima lour. The method for preparing the traditional Chinese medicine composition comprises the following steps: carrying out alcohol extraction on the picriafel-terrae lour, the elephantopus scaber, the herba thlaspis and the ficus simplicissima lour, and carrying out aqueous extraction on the herb residue after the alcohol extraction and the rest five components. The effect of the traditional Chinese medicine composition provided by the invention is verified by a manner of putting foreign bodies in uterine to prepare a rat endometritis model. The traditional Chinese medicine composition provided by the invention has the effect on treating gynecologic inflammation, in particular on treating endometritis; and the effect is better than the prior art.
Owner:GUANGXI WUZHOU PHARMA GRP

Successive projection algorithm based near-infrared wavelength variable selecting method

The invention discloses a successive projection algorithm based near-infrared wavelength variable selecting method. The selecting method includes classifying a full spectrum into a relevant wave number point set, an irrelevant wave number point set and a noise wave number point set by means of a weighted value method, selecting a wave number point set from the relevant wave number point set and the irrelevant wave number point set, establishing a rectifying model, and judging importance of newly selected wavelength variables by means of rectangular projection. The successive projection algorithm based near-infrared wavelength variable selecting method overcomes the linear dependence, effectively reduces data dimensions, extracts interpretation information to the greatest extent, and ensures the established rectifying model to be with high stability.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Decoction-free extraction process for precious Chinese herbal medicines

The invention discloses a decoction-free extraction process for precious Chinese herbal medicines. The process includes the steps: 1) cleaning, drying and grinding the Chinese herbal medicines into 20-30-mesh particles; 2) adopting a supercritical CO2 extraction process for removing heavy metals from the Chinese herbal medicine particles obtained at the step 1); 3) roasting the Chinese herbal medicine particles with the heavy metals removed at the step 2) for 50-60min at the temperature of 45-50 DEG C until the water content is 0.3-0.5wt%; 4) subjecting the Chinese herbal medicine particles roasted at the step 3) to ultrafine pulverization until the particle size is 0.35-0.75micrometer; 5) performing wall-breaking treatment, namely adding auxiliary materials into the Chinese herbal medicine particles obtained at the step 4), and extracting active ingredients by application of a low-temperature micro-nano wall-breaking technique. By effective rejection of heavy metal pollution, pharmacological functions of the Chinese herbal medicines can be improved, and side effects are reduced; by application of the cell wall breaking technique for powder processing, biological activity and bioavailability of the Chinese herbal medicines can be improved.
Owner:HENAN XINGZHI PATENT SERVICE CO LTD

Helianthus tuberosus ferment as well as preparation method, preparation and application thereof

The invention discloses helianthus tuberosus ferment as well as a preparation method, preparation and application thereof. The helianthus tuberosus ferment consists of the following raw materials in parts by weight: 60-80 parts of fresh helianthus tuberosus, and 20-40 parts of sugar. The fresh helianthus tuberosus is used as the raw materials, so that on one hand, the prepared helianthus tuberosus ferment has special color and smell and is good in mouth feel, and the fragrances lasts long; and on the other hand, the helianthus tuberosus ferment is rich in special functional components of inulin, polyphenol flavonoid and the like in the helianthus tuberosus, and nutrient components of various natural vitamins, minerals, trace elements, amino acids and the like. According to the preparation method of the helianthus tuberosus ferment, normal-temperature normal-pressure fermentation is adopted, and fermentation microorganisms come from preferable microorganisms in natural raw materials of the helianthus tuberosus, helianthus tuberosus tragon and the like, so that the helianthus tuberosus ferment is green and safe, notable in efficacy and strong in pertinence, has notable efficacy of improving flora of intestinal tracts of human bodies, resisting metabolic diseases of diabetes, high blood lipid and the like, eliminating free radicals, resisting oxidation, enhancing immunity, resisting tumors and the like, effectively strengthens metabolism, and achieves the purpose of strengthening bodies when being used for complementing ferment of the human bodies.
Owner:北京中康长和健康科技有限公司

Preparation process of beverage containing rose flower extracting solution

The invention relates to a preparation process of a beverage containing a rose flower extracting solution. The method comprises the following steps of: (1) extracting washed rose flowers with water to obtain the rose flower extracting solution; (2) adding propolis, citric acid and honey into the rose flower extracting solution and uniformly mixing to obtain a mixed solution, wherein the mass ratio of the rose flower extracting solution to the propolis to the citric acid to the honey is 50 to 10 to 15 to 7; and (3) sterilizing the mixed solution to prepare the beverage containing the rose flowers. The preparation process of the beverage containing the rose flower extracting solution, provided by the invention, has the advantages of high nutrient component content, good taste, long guarantee period and the like.
Owner:GUILIN WEIMEIYUAN RESTAURANT MANAGEMENT

Method for extracting folic acid from soybeans

The invention belongs to the field of preparation of plant extracts, and in particular relates to a method for extracting folic acid from soybean seeds. Human and animals cannot synthesize folic acid per self, and various crops are main resources for obtaining the vitamin by human and animals. A single-enzyme method and a three-enzyme method are commonly used for extraction of folic acid from the crops. The extraction conditions of the three-enzyme method are different in different food, and optimization of folic acid extraction is required to be performed on each kind of food respectively. The invention provides an optimized method for extracting the folic acid from the soybean seeds, by using the method, hundreds of samples can be extracted at the same time, and the extracting process is rapid and effective.
Owner:JILIN ACAD OF AGRI SCI

Method for extracting brassica rapa l. seed oil by using supercritical carbon dioxide

The invention relates to a method for extracting brassica rapa l. seed oil by using supercritical carbon dioxide, specially used for deep processing of brassica rapa l. seeds. Taking brassica rapa l. (Brassica rapa L.) seeds as the raw material, the method comprises the following process steps: the brassica rapa l. (Brassica rapa L.) seeds are treated by impurity removal, crushing and filtering, and is extracted by the supercritical carbon dioxide under the conditions that the extraction temperature is 46.10 DEG C, the extraction time is 80.40min and the extraction pressure is 31.65MPa, the brassica rapa l. seed oil extraction yield is 31.893-32.554 percent, and the purity of the brassica rapa l. seed oil is above 99 percent. A process for extracting the brassica rapa l. seed oil by using the supercritical carbon dioxide provides a new method for deep processing of the brassica rapa l. seeds, can efficiently carry out research on extracting the brassica rapa l. seed oil by the supercritical carbon dioxide, has the advantages of strong operability, favorable safety, higher yield, favorable repeatability, high extration yield, simple process, high product purity, non pollution and the like and can be used for extracting the brassica rapa l. seed oil in production.
Owner:NANJING AGRICULTURAL UNIVERSITY

Method for gas grading zoning extraction for goaf of working face of single mining thick coal seam

The invention provides a method for gas grading zoning extraction for a goaf of a working face of a single mining thick coal seam, belongs to the technical field of gas extraction of the coal mine goaf, and can solve the problem of gas in a return air roadway, the working face and an upper corner is transfinite in the recovery process of the high-yield and high-gas working face of the single mining coal seam. According to method, according to different surge sources of goaf gas in the mining process of the working face, the formation process of the fracture space of a top plate of the goaf, ofthe working face and the gas gathering characteristics in the goaf range, three extraction systems are established, different extraction technology measures are extracted, and a formed technical system is integrated. Each extraction technology extracts gas pf the goaf during the stoping process of the working face according to the arrangement characteristics of the extraction technology, so thatthe gas extraction of the goaf is maximized.
Owner:SHANXI JINMEI GRP TECH RESEACH INST

Technology utilizing biomass raw materials to produce furfural

The invention relates to a preparation method of furfural, and specifically relates to a method for comprehensively utilizing biomass raw materials to produce furfural. In the preparation method, a mixed organic acid composed of formic acid and acetic acid is used to cook biomass raw materials in the presence of a hydrogen peroxide catalyst so as to obtain hemicelluloses, then the hemicelluloses are subjected to a separating and extracting treatment and high-temperature high-pressure evaporation to produce furfural, and a by-product namely biocarbon is obtained at the same time. The energy consumption of the whole reaction is low, moreover, biocarbon can be produced at the same time, and thus the economic benefit and environmental benefit for entrepreneurs are improved.
Owner:大庆圣泉绿色技术有限公司

Ultrasonic-assisted accelerated solvent extraction method for vanilla tincture

The invention discloses an ultrasonic-assisted accelerated solvent extraction method for vanilla tincture and belongs to the technical field of chemistry. The extraction method comprises the following steps: carrying out washing and dust removing on vanillas and then chopping; adding certain amount of an ethanol solvent into the chopped vanillas and pre-treating in an ultrasonic cell crusher; filtering the sample treated by ultrasounds and remaining a filtrate; transferring filtering dreg into an accelerating solvent extract material bottle to be extracted; and after extracting, cooling and standing to obtain clarified liquid, and mixing the liquid with the filtrate obtained by ultrasonic treatment to obtain the vanilla tincture. Compared with an existing tincture preparation method, the production period of the method can be greatly shortened, the use amount of the extracting solvent is reduced and the yield of effective components is extremely improved. The quality of the vanilla tincture prepared by the method is remarkably better than that of the vanilla tincture prepared by a conventional vanilla extracting method.
Owner:HUBEI CHINA TOBACCO IND +1

Pure traditional Chinese medicine preparation for blackening, growing and protecting hair and preparation method of pure traditional Chinese medicine preparation

The invention discloses a pure traditional Chinese medicine preparation for blackening, growing and protecting hair. The pure traditional Chinese medicine preparation is prepared from the following raw materials in parts by weight: 5-30 parts of polygonum multiflorum, 5-30 parts of eclipta alba, 5-30 parts of cacumen platycladi, 5-30 parts of mulberries, 5-30 parts of Chinese honeylocust fruits, 5-30 parts of black sesames, 5-10 parts of fresh gingers, 5-10 parts of radix sophorae flavescentis, 5-10 parts of cortex dictamni, 5-10 parts of rhizoma drynariae, 5-10 parts of weeping willow leaves,5-10 parts of fructus cnidii, 5-10 parts of fructus rubi, 5-10 parts of frankincense, 5-10 parts of white mustard seeds, 1-5 parts of angelica sinensis, 1-5 parts of rhizoma gastrodiae, 1-5 parts ofrohdea japonica and 1-5 parts of pseudo-ginseng. The pure traditional Chinese medicine preparation is prepared through the combination of the compatibility of pure traditional Chinese medicines and many-year clinical practices, is capable of blackening, growing and protecting the hair, has a remarkable and good treatment effect, is low in cost and high in treatment speed and has no toxic and sideeffect. The invention further discloses a preparation method of the pure traditional Chinese medicine preparation. The preparation method is simple in preparation, the effective components of the drugcomponents can be furthest extracted and increased, and the prepared pure traditional Chinese medicine preparation is capable of blackening, growing and protecting the hair.
Owner:王旺才

Technology for preparing beverage containing jasmine extract

The invention relates to a technology for preparing beverage containing jasmine extract. The preparing method comprises the steps of 1) soaking the cleaned jasmine into water; obtaining jasmine extract; 2) adding fructose and vitamin E into jasmine extract; mixing them well and obtaining the mixture; the described jasmine extract, fructose and vitamin E are mixed at the rate of 50:10:13 in mass; 3)sterilizing the mixture and then finishing the jasmine-contained beverage. The invention contains technology for preparing beverage containing jasmine extract; the beverage has advantages of high nutrient content, good taste and long shelf life.
Owner:GUILIN WEIMEIYUAN RESTAURANT MANAGEMENT

Chinese medicinal composition for adjuvant therapy of lung cancer

The invention discloses a Chinese medicinal composition for adjuvant therapy of lung cancer. The Chinese medicinal composition comprises the following components by weight: 5-10 parts of sun-dried ginseng; 2-8 parts of radix astragali; 10-30 parts of a cordyceps militaris extract; 3-9 parts of lalang grass rhizome; 5-10 parts of Houttuynia cordata; 2-5 parts of coix seed; 10-20 parts of radix semiaquilegiae; 5-15 parts of bamboo shavings; and 3-8 parts of riddle. The Chinese medicinal composition provided by the invention is added with cordyceps militaris, and has the beneficial effects that:1. an ultrasonic extraction and vacuum extraction combined method is employed to prepare the cordyceps militaris extract, and can maximumly extract cordycepin out of cordyceps militaris; 2. an ethanolwater aqueous solution is adopted as the extraction solvent, and the cost is low; and 3. the cordyceps militaris extract is added into the medicinal composition, and the anti-tumor, immunity enhancing, combined radio-chemotherapy, anti-leukopenia and other effects of cordycepin are utilized, thus reaching the efficacy of adjuvant therapy on lung cancer.
Owner:唐培宸

Near-infrared wavelength variable selection method based on continuous projection algorithm

The invention discloses a near-infrared wavelength variable selection method based on a continuous projection algorithm. Using the weight value method, the whole spectrum is divided into three categories: correlated wavenumber point set, irrelevant wavenumber point set, and noise wavenumber point set, and the wavenumber point set is selected from the "correlated wavenumber point set" and "irrelevant wavenumber point set" to establish a calibration model , using orthogonal projection to judge the importance of the newly selected wavelength variable. This method overcomes the linear correlation, effectively reduces the data dimension, extracts the interpretation information to the maximum extent, and ensures the establishment of a correction model with high robustness.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Liquid medicine extraction device capable of automatically controlling deslagging according to amount of extruded liquid medicine

The invention relates to the technical field of biological medicine, and discloses a liquid medicine extraction device capable of automatically controlling deslagging according to the amount of extruded liquid medicine, the liquid medicine extraction device comprises a fixed cylinder, the inner rear wall of the fixed cylinder is rotatably connected with a grinding mechanism, the left side of the bottom of the fixed cylinder is welded with a blanking pipe and an electromagnet, and the bottom of the blanking pipe is welded with a liquid medicine collection box; and a dreg falling hole is formed between the fixing cylinder and the medicine dreg collecting box, and an arc-shaped baffle is connected to the inner left wall of the dreg falling hole in an inserted mode. The hole diameter of the through hole in the bottom of the discharging pipe is small, so that liquid medicine always exists in the discharging pipe, the liquid medicine in the discharging pipe serves as a conductor between the two conducting strips at the moment, then a closed loop is formed between the electromagnet and the two conducting strips, the electromagnet is powered on to generate magnetism, and a first magnetic device is attracted; and then a first magnetic device drives an arc-shaped baffle to move leftwards to close a residue falling hole, so that the medicine residues in the rotating cylinder are prevented from being discharged from the residue falling hole, and the effect that the medicine residues are fully extruded in the grinding mechanism is achieved.
Owner:上海旎丽美医药科技有限公司

Preparation process of galangal and rhizoma cyperi liquid capsule

The invention relates to a preparation process of a galangal and rhizoma cyperi liquid capsule, which comprises the following processing steps: (1) respectively pulverizing galangal and rhizoma cyperi based on the weight ratio of 1:1 into coarse powder; (2) extracting the galangal by a carbon dioxide supercritical extraction method to obtain the extract of the galangal; (3) extracting the rhizomacyperi by a carbon dioxide supercritical extraction method to obtain the extract of the rhizoma cyperi; (4) mixing the galangal extract and the rhizoma cyperi extract and dehydrating to obtain the galangal and rhizoma cyperi extract; (5) adding vegetable oil and tween 80 to the galangal and rhizoma cyperi extract and mixing evenly to obtain galangal and rhizoma cyperi liquid; and (6) filling the galangal and rhizoma cyperi liquid and sealing to obtain the galangal and rhizoma cyperi liquid capsule. The invention respectively adopts different extraction conditions for carrying out carbon dioxide supercritical extraction on the effective components of the galangal and the rhizoma cyperi, reserves the effective components in the raw materials and improves the extraction rate, and the prepared galangal and rhizoma cyperi liquid capsule has the characteristics of safety, reliability, convenient taking, small dose, convenient carrying and the like.
Owner:TIANJIN PACIFIC PHARMA

Information processing device, information processing method, and computer-readable recording medium

Provided are an information processing device, an information processing method, and a computer-readable recording medium. The information processing device includes: a main sensor which is a sensor which operates at least two operation levels and acquires predetermined data; a sub sensor which is a sensor which acquires data different from that of the main sensor; and an information amount calculation unit, It predicts the difference between the amount of information when measurement is performed by the main sensor and the amount of information when measurement is not performed by the main sensor based on data obtained by the sub sensor, and decides an operation level of the main sensor based on the prediction result.
Owner:SONY CORP

A kind of traditional Chinese medicine composition for treating bruises and preparation method thereof

ActiveCN110721283BGood treatment effectGood for clearing away heat and cooling bloodHydroxy compound active ingredientsAntipyreticMyrrhTissue repair
The invention belongs to the technical field of traditional Chinese medicine, and in particular relates to a traditional Chinese medicine composition for treating bruises and a preparation method thereof. 30-80 parts, 50-90 parts of Angelica dahurica, 40-90 parts of rhubarb, 40-100 parts of kaempferia, 40-90 parts of Fangji, 40-80 parts of red peony, 30-80 parts of peach kernel, 40-100 parts of angelica, longan 25-60 parts of dried blood, 40-80 parts of borneol, 40-80 parts of camphor; the traditional Chinese medicine composition of the present invention can exert a local effect when used externally, so that the medicine can penetrate into the skin, muscle and tendon tissue, and play a role in reducing swelling and relieving pain. Promote blood circulation and dissipate blood stasis, remove putrefaction and promote muscle regeneration, and promote tissue repair of injured parts.
Owner:张振录 +2

Traditional Chinese medicine composition for treating traumatic injury and preparation method thereof

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine composition for treating traumatic injury and a preparation method thereof. The traditional Chinese medicine composition comprises 50-100 parts of jasmine, 25-60 parts of frankincense, 25-80 parts of myrrh, 30-80 parts of safflower, 50-90 parts of angelica dahurica, 40-90 parts of rheum officinale, 40-100 parts of rhizoma kaempferiae, 40-90 parts of radix stephaniae tetrandrae, 40-80 parts of radix paeoniae rubra, 30-80 parts of peach kernel, 40-100 parts ofangelica sinensis, 25-60 parts of dragon's blood, 40-80 parts of borneol and 40-80 parts of camphor. The traditional Chinese medicine composition disclosed by the invention can play a local role whenbeing externally applied, so that the medicine permeates into skin, muscle and tendon and vessel tissues, and the effects of relieving swelling and pain, promoting blood circulation to remove blood stasis, removing slough and promoting tissue regeneration, and promoting tissue repair of injured parts are achieved.
Owner:张振录 +2

A pharmaceutical composition for promoting the growth of fattening pigs and improving immune performance and its preparation method

The invention belongs to the technical field of veterinary drug preparation, and discloses a pharmaceutical composition for promoting the growth of growing and fattening pigs, and improving the immune performance, and a preparation method of the pharmaceutical composition. The pharmaceutical composition is prepared from cassia twig, liquorice, rhizoma zingiberis, pericarpium citri reticulatae, bighead atractylodes rhizome, hawthorn, galangal, chinese prickly ash, pericarpium citri reticulatae viride, fructus aurantii immaturus, evodia, clove, asarum, atractylodes, radix codonopsis, bupleurum, fructus jujubae, radix paeoniae alba, chinese magnoliavine fruit and salviae miltiorrhizae. The preparation method comprises the following steps: cleaning and weighting the medicinal materials respectively, smashing to form crude powders, adding 1 to 5 times of water for extraction and concentration, drying to obtain extractives, and mixing and stirring the extractives evenly. Animal experiments prove that the pharmaceutical composition provided by the invention can promote the growth of the growing and fattening pigs, can improve carcass quality and improve the immunity.
Owner:BEIJING KEEPYOUNG TECH

Method for extracting folic acid from soybean

The invention belongs to the field of preparation of plant extracts, and in particular relates to a method for extracting folic acid from soybean seeds. Human and animals cannot synthesize folic acid per self, and various crops are main resources for obtaining the vitamin by human and animals. A single-enzyme method and a three-enzyme method are commonly used for extraction of folic acid from the crops. The extraction conditions of the three-enzyme method are different in different food, and optimization of folic acid extraction is required to be performed on each kind of food respectively. The invention provides an optimized method for extracting the folic acid from the soybean seeds, by using the method, hundreds of samples can be extracted at the same time, and the extracting process is rapid and effective.
Owner:JILIN ACAD OF AGRI SCI

Traditional Chinese medicine composition for treating endometritis and preparation method thereof

The invention relates to a traditional Chinese medicine composition for treating endometritis and a preparation method thereof. The traditional Chinese medicine composition comprises the following components in parts by weight: 7.69 parts of picriafel-terrae lour, 11.54 parts of elephantopus scaber, 7.69 parts of radix angelicae sinensis, 11.54 parts of millettia dielsiana, 11.54 parts of zanthoxylum nitidum, 11.54 parts of membranaceous beautyleaf root, 11.54 parts of persimmon leaves, 11.54 parts of herba thlaspis and 15.38 parts of ficus simplicissima lour. The method for preparing the traditional Chinese medicine composition comprises the following steps: carrying out alcohol extraction on the picriafel-terrae lour, the elephantopus scaber, the herba thlaspis and the ficus simplicissima lour, and carrying out aqueous extraction on the herb residue after the alcohol extraction and the rest five components. The effect of the traditional Chinese medicine composition provided by the invention is verified by a manner of putting foreign bodies in uterine to prepare a rat endometritis model. The traditional Chinese medicine composition provided by the invention has the effect on treating gynecologic inflammation, in particular on treating endometritis; and the effect is better than the prior art.
Owner:GUANGXI WUZHOU PHARMA GRP

Multi-eye stereo vision system and method applied to indoor scene virtual reality live broadcast

The invention discloses a multi-view stereoscopic vision system for indoor scene virtual reality live broadcast. The multi-view stereoscopic vision system for indoor scene virtual reality live broadcast includes M indoor guide rails, N independent cameras sliding on the M guide rails, N drive dollies which can drive the cameras to move on the guide rails, a processor and virtual reality output equipment, wherein M>=1, and N>=3; the N independent cameras can be combined two by two to shoot a target object, and can transmit the shot information to the processor; after processing the information, the processor transmits virtual reality video signals to the virtual reality output equipment; and a user can observe the target object through the virtual reality output equipment. As the plurality of cameras can form multi pairs of binocular stereoscopic vision systems two by two, the multi-view stereoscopic vision system and system for indoor scene virtual reality live broadcast can observe and shoot the object to guarantee that the environment information of the object and the surrounding environment of the object can be maximally extracted so as to enable 3D modeling to be more exquisite.
Owner:SOUTH CHINA UNIV OF TECH +1

A rotary machine fault feature extraction method based on vibration signal correlation analysis

The rotary machinery fault feature extraction method based on vibration signal correlation analysis comprises the following steps: firstly, acquiring a vibration signal on rotary machinery equipment,and selecting a section of reference sub-signal from the vibration signal; enabling the reference sub-signal to perform point-by-point translation along the time axis direction from the initial time of the vibration signal, continuously shielding a section of sub-signal from the vibration signal, and calculating a correlation coefficient between the reference sub-signal and the shielding sub-signal at the same time; obtaining a correlation coefficient sequence after translation is finished; and finally extracting the fault characteristic frequency from the frequency spectrum of the correlationcoefficient sequence. The method is simple and easy to implement, the correlation coefficient sequence is adaptive to the characteristics of the original vibration signal in the obtaining process, the change rule of the fault characteristics of the rotary mechanical equipment can be visually displayed, and the fault characteristic frequency can be effectively and conveniently extracted from the frequency spectrum of the correlation coefficient sequence and used for fault diagnosis of the rotary mechanical equipment.
Owner:ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY

Micro-ecological extract with kidney tonifying function and preparation method thereof

The invention discloses a micro-ecological extract with a kidney tonifying function. The feed additive is prepared from the following components in parts by weight: 3-5 parts of poria cocos, 6-8 parts of gordon euryale seeds, 2-4 parts of Chinese wolfberry fruits, 3-5 parts of lotus seeds, 1-2 parts of black sesame seeds, 3-5 parts of ginseng, 4-6 parts of coix seeds, 3-5 parts of eucommia ulmoides male flowers, 8-10 parts of fingered citron powder, 3-5 parts of onions, 4-6 parts of okra, 7-9 parts of mulberries, 0.001-0.002 part of nicotinic acid, 0.05-0.15 part of eucommia ulmoides male flower powder, 0.05-0.15 part of oyster powder, 0.05-0.15 part of maca powder and 25-30 parts of fructo-oligosaccharide. And 10 to 14 parts of stachyose. The invention also provides a preparation method of the micro-ecological extract. The micro-ecological extract disclosed by the invention has the effects of tonifying the kidney and the like.
Owner:重庆万源佳药业有限公司 +1
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