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38results about How to "Increase the number of species" patented technology

Composite microbial fertilizer using fermented filter cakes as medium and production method thereof

The invention provides a composite microbial fertilizer using fermented filter cakes as a medium and a production method thereof. In the method, fermented filter cakes from the production of gourmet powder are used as raw materials and are mixed with slaked lime, the mixture is ground, the fermenting photosynthetic bacteria, bacillus subtilis and bacillus mucilagimosus krassilm are absorbed by turf respectively, the separately absorbed single bacteria are mixed in a ratio of 1.5-2.5:1.5-2.5:1, the mixed bacterial are added into the fermented filter cake raw material in a ratio of 5 to 15 percent, an inorganic fertilizer is added, the mixture is mixed, and thus, the composite microbial fertilizer is obtained. The composite microbial fertilizer can be used for fertilizing farm lands as well as aquiculture and can improve the yield and quality of aquiculture effectively.
Owner:SHANGHAI NUOTONG INFORMATION TECH CO LTD

Method for culturing and screening microbiological bacterials

InactiveCN101250578AHigh degree of randomness and blindnessIncreased yield and number of speciesMicrobiological testing/measurementScreening culturesSeparate sample
The invention discloses a process for cultivating and screening microbe strain, which comprises firstly extracting general genome of each sample, the detecting the kind, abundance, biodiversity and distribution rule of microbe in samples through utilizing the PCR technology and the RFLP molecular biology technology, analyzing the components of mineral elements in sample through using an energy spectrometer, building an individual enrichment culture system for various microbe in sample through combining physicochemical information of sampling points which is obtained in sampling, and screening various microbe in separating sample, especially target microbe using the individual enrichment culture system. Compared with the traditional selective microbe screening culture process, the process changes some microbe which can not be cultivated into microbe which can be cultivated, overcomes the problems of larger new species loss probability, large sample consumption loss, high randomness and blindness degree and low efficiency, and increases the yield and kind of microbe which is cultivated and bred from sample.
Owner:CENT SOUTH UNIV

Acquisition device for epibenthos and settled organisms of artificial fish reefs or sea treasure reefs

ActiveCN102246714APrevent escapeIncrease the type and quantity of samplesClimate change adaptationPisciculture and aquariaFastenerEngineering
The invention discloses an acquisition device, in particular to an acquisition device for epibenthos and settled organisms of artificial fish reefs or sea treasure reefs. The acquisition device comprises a steel ring, a rope and a netting, wherein one end of the netting is connected with a sample collecting bag; the other end of the netting is connected to the steel ring through the fixed rope; and the steel ring can be used for drawing out a head rope through a rope fastener on the steel ring. The acquisition device disclosed by the invention is netting gears which are mutually separated andassociated; and according to the acquisition device, the species, the quantity and the efficiency for acquisition of the settled organisms and the epibenthos can be remarkably increased, the loss andthe escape of the epibenthos and the settled organisms are reduced and the epibenthos and the settled organisms can be acquired conveniently, efficiently and quickly.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Rotor composite yarn spinning device

The invention discloses a rotor composite yarn spinning device. An air extracting type spinning cup on an existing rotor yarn spinning machine can be easily abraded, and winding fibers can be easily generated during a spinning process. According to the rotor composite yarn spinning device, two feeding carding mechanisms are symmetrically arranged on the two sides of a condensation twisting mechanism, two ring-shaped condensation grooves are formed in a spinning cup, a filament guiding pipe and the spinning cup are fixed, a yarn guiding pipe and an air extracting device are fixed, a twisting stopping disc and the yarn guiding pipe are fixed, feeding openings are formed in the outer sides of the shell bodies of the two feeding carding mechanisms, the inner sides of the shell bodies of the two feeding carding mechanisms are respectively communicated with one end of a fiber conveying pipe, the other ends of the two fiber conveying pipes extend into the spinning cup, impurity discharging openings are formed in the portions, close to the corresponding fiber conveying pipes, of the two shell bodies, feeding rollers and the carding rollers are arranged in the shell bodies, the feeding rollers are arranged at the feeding openings, and feeding plates are arranged between the feeding rollers and the shell bodies. According to the rotor composite yarn spinning device, the types of the composite yarn which can be spun by a rotor yarn spinning machine can be increased, the winding fibers can be prevented from being generated, and yarn strength is improved.
Owner:ZHEJIANG SCI-TECH UNIV

Method for planting ramie on rice field ridges to increase natural enemies of insect pests in rice field

InactiveCN104770189AIncrease the number of speciesIncrease the total number of individualsAnimal huntingHorticultureField testsInsect pest
The invention discloses a method for planting ramie on rice field ridges to increase natural enemies of insect pests in a rice field. Ramie is planted on the ridges around the rice field, varieties of the ramie are Xiangzhu 3# and Zhongzhu 1#, ramie stocks of ramie of second instar and older are planted at plant intervals of 35 to 50cm, the ramie is planted within 10 to 30 days after the transplantation of rice, and the rice field is managed according to the normal level. Two-year field tests show that by the ramie ridges, the species and the individual number of arthropods are increased by 20 percent and 17 percent respectively, the individual number of the natural enemies of the insect pests, such as spiders and parasitic wasps, are increased by 14 percent and 31 percent respectively, and great effects on the storage and the development of the species of the natural enemies of the insect pests in the rice field are achieved.
Owner:HUNAN AGRICULTURAL UNIV

Pinus koraiensis needle essential oil as well as extraction method and application thereof in bacteriostatic culture medium

The invention provides pinus koraiensis needle essential oil as well as an extraction method and application thereof in a bacteriostatic culture medium, which belongs to the technical field of plant essential oil extraction. The pinus koraiensis needle essential oil comprises free amino acid and a compound, wherein the content of the free amino acid is 244.44 mg / kg; and calculating at the mass ofthe pinus koraiensis needle essential oil as 100 percent, the compound accounts for 97.92 percent, wherein olefins account for 87.97 percent, alcohols account for 3.7 percent, esters account for 5.77percent, oxides account for 0.24 percent, ketones account for 0.14 percent, and the diterpenes compound accounts for 0.1 percent. The pinus koraiensis needle essential oil obtained by adopting the extraction method contains 46 compounds, so that compared with the existing report, the types of the compounds in the pinus koraiensis needle essential oil can be greatly increased. The pinus koraiensisneedle essential oil is used as a sterilizing agent to be added into the culture medium, so that the bacteria infection rate of the culture medium can be reduced.
Owner:FORESTRY RES INST OF HEILONGJIANG PROVINCE

Baijiu distiller's grain oil and preparation method and application thereof

The invention discloses Baijiu distiller's grain oil and a preparation method and application thereof. The preparation method includes the steps of firstly, sequentially subjecting fresh Baijiu distiller's grains to low-temperature freezing and mechanical crushing to obtain crushed fresh distiller's grains; secondly, using an extraction solvent to extract the crushed fresh distiller's grains through an ultrasonic-assisted heating method, and performing solid-liquid separation to obtain extract, namely the Baijiu distiller's grain oil. By adding the Baijiu distiller's grain oil into capsules for cigarettes, the cigarettes can be endowed with natural wine fragrance, cigarette fragrance can be enriched, soft and mellow smoke can be achieved, and smoking comfortableness can be improved.
Owner:CHINA TOBACCO SICHUAN IND CO LTD +1

Method for culturing edible fungi with different temperature requirements and edible fungus culture bag

The invention relates to the technical field of edible fungus bagged culture, in particular to a method for culturing edible fungi with different temperature requirements and an edible fungus culture bag. The invention provides the method for culturing edible fungi with different temperature requirements and the edible fungus culture bag with the advantages that the use is convenient, the purposes are wide, and safety is realized. The edible fungus culture bags with different colors and different light transmittances are adopted for culturing the edible fungi. Plastic bags are purple, blue, green, yellow, red or gray, and the light transmittance is 30 percent to 80 percent. The edible fungus culture bags with various colors are designed according to different heat absorption degrees of different colors on the light, during the edible fungus culture, plastic bags in different colors can be used according to the culture conditions of different edible fungi, the work intensity is reduced to a certain degree, and the space is saved. In addition, the light resource waste cannot be caused.
Owner:郑伟春

Method for clone plant sand stabilization

The invention relates to a method for clone plant sand stabilization, and belongs to the technical field of land desertification treatment. The method for clone plant sand stabilization comprises thesteps that a latticed plant belt is planted by using shrubs and intensive clone plants, and then the guerilla clone plants and the intensive clone plants are planted in grids in a mixed mode. According to the method, the shifting sand stabilization fixing effect is greatly improved, the recovery rate of land vegetation is greatly increased, and the coverage rate of the land vegetation can be restored to 80% or above within 1-2 years; the biological yield per unit area can be greatly increased within 1-2 years by 50-250 times, and the species richness and the species number in a treatment region are also greatly improved; in general, the treatment capacity on desertificated land and the shifting sand stabilization capacity of the sand stabilization method are better than those of other methods.
Owner:SICHUAN NORMAL UNIV

Traditional Chinese medicine formula for treating diabetes mellitus, mixing ratio and preparation method thereof

The invention discloses a traditional Chinese medicine formula for treating diabetes mellitus, mixing ratio and a preparation method thereof, the traditional Chinese medicine formula contains eleven traditional Chinese medicinal materials of membranous milkvetch root, radix rehmanniae preparata, dwarf lilyturf tuber, desertliving cistanche, east Asian tree fern rhizome, chicken's gizzard-membrane, cassia bark, Chinese angelica, coix seed, slenderstyle acanthopanax bark and honeysuckle flower and is prepared into tablets after processing and extracting active ingredients according to the preferential mixing ratio. The tablets are used for treating diabetes mellitus and have significant efficacy, stability, rapid onset of action, small toxic effects, difficult generation of drug resistance after being taken by a patient, difficult relapse after lowering blood sugar and convenient administration.
Owner:BEIJING TIANKE RENXIANG MEDICAL SCI TECH

Biological sample detection method and detection kit

The invention discloses a biological sample detection method and a detection kit. The method comprises the following steps: forming a ternary complex (magnetic bead-antigen-marker) in a manner of immunospecific binding with magnetic beads, and collecting the ternary complex under the action of a magnetic field; under a specific chemical reagent, eluting a markers in the ternary immune complex, separating the markers from magnetic beads under the action of the magnetic field, and collecting eluent containing the markers, and re-dispersing the eluent by using strong electrolyte; and detecting the eluent containing the markers and then, realizing absolute quantification through a nano-particle counter. The method disclosed by the invention can be used for detecting trace protein below the lower limit of conventional immunodetection, and can be widely applied to the fields of immunological detection, microbiological detection, cell separation and the like.
Owner:RESUN (SHENZHEN) TECH CO LTD

Hyperspectral system for gas concentration detection

The invention discloses a hyperspectral system for gas concentration detection. Light emitted by a light source is collimated by a collimating mirror to form parallel light with a set numerical aperture, and the parallel light enters a objective lens of an optical absorption cavity, and is folded back for multiple times between the objective lens and a field lens of the optical absorption cavity;the light absorbed by gas in the optical absorption cavity enters a beam splitting plate of a double-light-path interference structure through repeated fold-back, and the light entering the beam splitting plate is divided into two paths according to the ratio of 1: 1, wherein one path is reflected to a plane mirror through the beam splitting plate, reflected to the beam splitting plate through theplane mirror and transmitted to a convergent mirror through the beam splitting plate, and the other path is transmitted to a cubic corner reflector through the beam splitting plate, reflected to thebeam splitting plate through the cubic corner reflector, and finally reflected to the convergent mirror through the beam splitting plate; and a convergent mirror converges the two paths of light and images the light to a detector. The system has the advantages of high spectral resolution and high flux, high-resolution spectral data with a high signal-to-noise ratio can be obtained, and finally theconcentration detection limit of a detection system is improved.
Owner:苏州铭坤科技有限公司

Battery disposal facility

The invention discloses a battery disposal facility. The battery disposal facility comprises a supporting frame. A battery to be cut is arranged on one side of the supporting frame. A top supporting platform is fixedly arranged on the upper end face of the supporting frame, and a top motor is fixedly arranged on the upper end face of the top supporting platform. A motor cooperation rod is arrangedon the lower side of the top motor in a power connection mode and connected with the supporting frame in a running fit mode. A lifting cooperation plate is arranged on the outer surface of the motorcooperation rod in a screw thread fit connection mode and connected with the top supporting platform in a sliding fit mode, and a lifting cooperation rod is fixedly arranged on the lower end face of the lifting cooperation plate. A circular rod is connected with the supporting frame in a sliding fit mode. The battery disposal facility adopts the mode that efficient cutting operation can be conducted according to batteries with different sizes, the kind and the number of the batteries disposed by the facility are increased, and the battery disposal effect of the facility is improved.
Owner:安徽豪世新能源科技有限公司

A method for increasing natural enemies of rice field pests by planting ramie on paddy field ridges

The invention discloses a method for planting ramie on rice field ridges to increase natural enemies of insect pests in a rice field. Ramie is planted on the ridges around the rice field, varieties of the ramie are Xiangzhu 3# and Zhongzhu 1#, ramie stocks of ramie of second instar and older are planted at plant intervals of 35 to 50cm, the ramie is planted within 10 to 30 days after the transplantation of rice, and the rice field is managed according to the normal level. Two-year field tests show that by the ramie ridges, the species and the individual number of arthropods are increased by 20 percent and 17 percent respectively, the individual number of the natural enemies of the insect pests, such as spiders and parasitic wasps, are increased by 14 percent and 31 percent respectively, and great effects on the storage and the development of the species of the natural enemies of the insect pests in the rice field are achieved.
Owner:HUNAN AGRICULTURAL UNIV

Groove type pleated skirt preparation device and use method thereof

InactiveCN112195574AHas an industrial aestheticEnsure regularityWork-feeding meansHeating/cooling textile fabricsStructural engineeringMechanical engineering
The invention discloses a groove type pleated skirt preparation device and a using method thereof. The groove type pleated skirt preparation device comprises shaping plates and a folding mechanism foradjusting the positions of the shaping plates, wherein the shaping plates comprise first shaping plates, second shaping plates and third shaping plates; the first shaping plates and the third shapingplates are consistent in length and width; the length of the second shaping plates is consistent with that of the first shaping plates; the width of the second shaping plates is larger than that of the first shaping plates; the first shaping plates, the second shaping plates and the third shaping plates are sequentially and circularly arranged in the width direction of a pleated skirt; clamping grooves and clamping blocks are arranged on two end faces of each shaping plate in the length direction correspondingly; the same shaping plates are connected end to end through the clamping grooves and the clamping blocks, and the planes where the shaping plates are located coincide; protruding blocks are arranged on two end faces of each shaping plate in the width direction, and the shaping plates are connected with the folding mechanism through the protruding blocks. According to the groove type pleated skirt preparation device, rapid manufacturing of the groove type pleated skirt is achieved through combined arrangement of the shaping plates, and the complex manufacturing process of the pleated skirt is optimized.
Owner:SUZHOU JINGJIEWEI FABRIC TECH CO LTD

A kind of short fiber rotor composite yarn spinning method

The invention discloses a short fiber rotor composite yarn spinning method. According to a traditional composite yarn manufacturing method, filaments and short fibers are combined and twisted into composite yarns, the short fibers are not completely used in the traditional composite yarn manufacturing method, and twined fibers are inevitably produced. The short fiber rotor composite yarn spinning method comprises the following specific methods that doffing yarns on a winding drum are thrown into a rotor; two kinds of fibers are fed into a combing roller through a feeding roller via two feeding openings, the combing roller decomposes the fed fibers into filaments which enter the rotor through a fiber conveying tube, and under the centrifugal effect of the rotor, the filaments slide into a collecting groove along the side wall of the rotor to be collected as collected strips; an air extractor enables the inside of the rotor to generate negative pressure, the doffing yarns which are thrown through a doffing tube are in lap joint with the collected strips in the collecting groove, and the composite yarns are formed. The composite yarns are output through the doffing tube and a doffing roller and wind the winding drum through a winding roller. The short fiber rotor composite yarn spinning method can increase the kinds of the composite yarns which can be spun by a rotor spinning machine, the twined fibers can be prevented, and the strength of the yarns can be enhanced.
Owner:ZHEJIANG SCI-TECH UNIV

Repair method for degraded grassland by mixed sowing of millet and beans

The invention discloses a method for restoring degraded grassland through mixed sowing of millet and beans, and particularly relates to the field of land restoration. The method comprises the steps of land pretreatment, seed mixing and covering for grass breeding. By using the organic fertilizer, vegetation growth is promoted, and the problems of soil depletion and the like caused by long-term excessive application of chemical fertilizer are also avoided. After the organic fertilizer is applied to the degenerated 3-year-old artificial grassland, the vegetation coverage is rapidly increased in a short time and is not obviously reduced along with the prolonging of the recovery time, and it is indicated that the fertilizer efficiency of the organic fertilizer is well kept. The vegetation height also tends to increase after the organic fertilizer is applied, and the vegetation height is obviously increased along with the progress of the recovery time. The fresh weight and the dry weight of the overground part are increased in the current year when the organic fertilizer is applied, the fresh weight is obviously increased, the biomass of the overground part is also increased along with the prolonging of the recovery time, and meanwhile, the degraded artificial grassland can be naturally recovered under the condition that the degraded artificial grassland is not utilized along with the prolonging of the recovery time.
Owner:青海省草原改良试验站

Warehouse logistics management rapid sorting device

The warehouse logistics management rapid sorting device comprises a base, supporting rod pieces and a top plate, the supporting rod pieces are fixedly installed at the four corners of the upper end of the base through screws, the upper ends of the supporting rod pieces are fixedly connected with the top plate through screws, and the base is divided into an upper layer structure and a lower layer structure; a first synchronous lead screw lifting platform is fixedly installed on the lower layer of the base through bolts, a second synchronous lead screw lifting platform is fixedly installed on the upper layer of the base through bolts, and the tops of the first synchronous lead screw lifting platform and the second synchronous lead screw lifting platform are rotationally connected with a top plate. The splicing sorting platform and the integrated sorting platform are arranged and matched with the first synchronous lead screw lifting platform, the second synchronous lead screw lifting platform and the driving component, sorting work can be conducted on the upper-level conveying lines on the upper layer and the lower layer at the same time, and multi-level distribution of the lower-level conveying lines in the space can be achieved; and the rapid sorting work of various products can be met, the sorting efficiency is improved, time is saved, and customers can be better served.
Owner:SHIJIAZHUANG UNIVERSITY +1

Method for improving soil by using biological base material

The invention provides a method for improving soil by using a biological base material and relates to the technical field of soil improvement. The method comprises the following steps: embedding two layers of pored plastic concealed pipes in the soil, conducting vertical drainage and salt-leaching, and carrying out drip irrigation and infiltrating irrigation on the soil; conducting deep tillage ofsoil for 300-500 mm with a deep tillage machine; laying a soil improvement agent on the soil, and conducting rotary tillage on the soil after laying so as to realize full mixing of the soil and the soil improvement agent, wherein the soil improvement agent comprises the following raw materials in parts by weight: 50-60 parts of limestone, 20-35 parts of humic acid, 8-15 parts of diatomite, 8-10 parts of peat soil, 2-6 parts of a clay adsorbent, 5-8 parts of montmorillonite, 3-6 parts of aluminum sulfate, 4-9 parts of ammonium ferrous sulfate, 2-5 parts of magnesium sulfate, 1-4 parts of cluster mallow fruits, 2-6 parts of caulis akebiae, 2-6 parts of semen plantaginis and 1-4 parts of herba lycopi; and applying the biological base material in the treated soil. The method for improving thesoil can prevent a salinization phenomenon of the soil, improve permeability of the soil, increase nutrients of the soil and enhance activity of the soil.
Owner:泰安元清堂生物科技有限公司

Light source conversion wavelength switching device with rotary thumb wheel structure

The invention discloses a light source wavelength conversion switching device with a rotary thumb wheel structure. The device comprises a transmitting block and a receiving block, a poking wheel is mounted in the transmitting block; a limiting device is arranged below the poking wheel; the end parts of the transmitting block and the receiving block are fixedly connected; a poking wheel mounting hole is formed in the side, close to the receiving block, of the transmitting block, a light source mounting hole and a rotating shaft mounting hole which are through are formed in the main body on theside, away from the receiving block, of the transmitting block, the rotating shaft mounting hole is located over the light source mounting hole, a rotating shaft penetrates through the rotating shaftmounting hole, and two poking wheels of the same structure are mounted on the main body of the rotating shaft. Light rays with different wavelengths can be rapidly switched, so that detection of different items is carried out, and the detection efficiency of a detection instrument is improved; the wavelength switching device is compact and reasonable in structure and low in manufacturing cost.
Owner:山东恒美电子科技有限公司

A goblet holder and a dishwasher

The invention discloses a goblet bracket, which comprises a main frame, a wine holder and a support frame, the wine holder is installed on the main frame, and the wine holder is provided with at least one slot for placing a stem of a goblet; The support frame is reversibly connected to the bottom of the main frame, so that the support frame can realize the functions of vertical storage and horizontal support. In the present invention, by setting a foldable support frame and a wine tray, the goblet bracket can be completely folded after use, and the folded goblet bracket takes up very little space, thereby increasing the space utilization rate; The provided card slot can hold a variety of goblets with different handle sizes, thereby effectively increasing the number of types of goblets that can be loaded on the goblet holder, thereby effectively expanding the application range of the goblet holder.
Owner:QINGDAO HAIER DISHWASHER

Spore capture analyzer and method

The invention relates to the field of microbiological detection equipment, in particular to a spore capture analyzer which is high in capture efficiency and can perform capture and analysis at the same time. The spore capture analyzer comprises a capture device, an imaging device and a conveying device, the capture device and the imaging device are arranged above the conveying device side by side, the capture device comprises an air duct, a first fan is arranged on the upper portion of the air duct, the conveying device comprises a conveying belt, and the conveying belt sequentially passes through the air duct and the lower portion of the imaging device. The capture device and the imaging device are arranged in parallel, the capture device can collect spores and enable the spores to be attached to the conveying belt, the spores are transferred to the position below the imaging device through the conveying belt, and the imaging device comprises a microscope lens and a camera shooting die holder and can observe and shoot the spores collected on the conveying belt.
Owner:威海精讯畅通电子科技有限公司

Identification method and system based on multi-frequency electromagnetic induction and relaxation frequency parameters

PendingCN112665461ASolve the problem that it is difficult to accurately detect low-metal minesReduce false alarm rateDefence devicesCharacter and pattern recognitionComputational physicsRelaxation frequency
The invention provides an identification method and system based on multi-frequency electromagnetic induction and relaxation frequency parameters. The identification method comprises the following steps that 1, relaxation frequency characteristic parameters of a detected object are obtained through frequency response calculation of a multi-frequency electromagnetic induction coil; and step 2, the material type of the detected object is identified by using relaxation frequency parameters in combination with a machine learning algorithm. The identification method and system based on multi-frequency electromagnetic induction and relaxation frequency parameters provided by the invention solve the problem that an electromagnetic induction mine detector in the prior art is difficult to accurately detect low metal mine, and reduces the false alarm probability of the mine detector to weakly magnetic impurities at the same time.
Owner:上海微波技术研究所(中国电子科技集团公司第五十研究所)

A kind of rotor composite yarn spinning method

The invention discloses a rotor composite yarn spinning method. According to a traditional composite yarn making method, short fiber using is not sufficient, winding fibers are generated inevitably, and yarn quality is affected. The method comprises the steps that long filaments of a long filament cylinder enter a spinning cup from a filament guiding tube and wind a winding cylinder; two kinds of fibers are fed into a carding roller through two feeding openings via a feeding roller respectively, the carding roller divides the fed fibers into single fibers which enter the spinning cup through the fiber conveying pipe, under the centrifugal effect of the spinning cup, the two different kinds of single fibers slide into condensation grooves along the side wall of the spinning cup to form condensation strips in a condensation mode; an air extractor enables negative pressure to be generated in the spinning cup, the condensation strips in the two condensation grooves wind the long filaments tightly, composite yarn is formed by further twisting of a twisting stopping disc; the composite yarn is output through a yarn guiding pipe and a yarn guiding roller and winds the winding cylinder. According to the method, the types of the composite yarn which can be spun by a rotor spinning machine can be increased, the winding fibers are prevented from being generated, and yarn strength is improved.
Owner:ZHEJIANG SCI-TECH UNIV

A kind of beneficiation method for separating rare metal concentrate and quartz feldspar concentrate

The invention relates to a beneficiation method for separating rare metal concentrate and quartz feldspar concentrate. Polymetallic ore is subjected to gravity separation by a shaking table, and gravity concentrate, secondary gravity concentrate, gravity middling and gravity tailings are obtained; the gravity concentrate is subjected to strong magnetic separation, strong magnetic concentrate and strong magnetic tailings are obtained, wherein the strong magnetic concentrate is rare polymetallic bulk concentrate containing uranium, niobium, beryllium, rare earth and titanium, and the strong magnetic tailings are zirconium concentrate; and gravity middling is subjected to strong magnetic separation, strong magnetic concentrate and strong magnetic tailings are obtained, wherein the strong magnetic tailings are the quartz feldspar concentrate. According to the method, the recovery rate of rare metal mineral of the polymetallic ore can be remarkably improved to 70% or above, in addition, quartz feldspar which originally serves as tailings is recovered in a concentrate product mode, the resource utilization rate is greatly increased, and the method is free of any beneficiation reagents and has the remarkable economic and environmental benefits.
Owner:李梅 +2

A Fluorescence Ternary Correlation Spectroscopy System for Analyzing the Binding Interactions Between Three Kinds of Molecules

The invention discloses a fluorescence ternary correlation spectroscopy system for analyzing the binding interaction between three kinds of molecules. The fluorescence ternary correlation spectroscopy system includes at least three excitation light sources outputting different wavelengths. The fluorescence signal is divided into multiple signals according to the fluorescence wavelength, detected by a single photon detector, the signal is transmitted to the signal acquisition card and the calculation card, and the real-time calculation of the ternary correlation function is performed to obtain the fluorescence ternary correlation spectrum curve. This system realizes the fluorescence The ternary correlation spectrum obtains the fluorescence ternary correlation spectrum curve through the real-time recording of the fluorescence fluctuation signals of three kinds of fluorescent molecules emitting different wavelengths in the detection micro-area and the analysis of the ternary correlation function. The amplitude of the analytical curve is related to the three kinds of fluorescent molecular complexes. The relationship between concentration and the analysis of the co-binding interaction between three different molecules will be realized, which will expand the research of fluorescence correlation spectroscopy in situ analysis in living cells.
Owner:SHANGHAI JIAO TONG UNIV
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