507results about How to "Shorten separation time" patented technology

This invention relates to a method of operating a charged particle trap in which ions undergo multiple reflections back and forth and/or follow a closed orbit around, usually, a set of electrodes. The invention allows high-performance isolation of multiple ion species for subsequent detection or fragmentation by deflecting ions out of the ion trap according to a timing scheme calculated with reference to the ions' periods of oscillation within the ion trap.

A method and apparatus for two-dimensional gas chromatography (GC), including a valve having first and second positions (P1, and P2), and first through fourth sample flow paths (FP1-FP4). In P1, a first gas sample is collected from a first dimension GC column via FP1, a first pressure source and a first, second dimension GC column are connected via FP2, a second pressure source and a second, second dimension GC column are connected via FP3, and FP4 is disconnected. In P2, the first sample in FP1 is introduced to the second, second dimension GC column via FP1, with aid of the second pressure source, a second gas sample is collected from the first dimension GC column via FP2, the first pressure source and the first, second dimension GC column via FP4 are connected, and FP3 is disconnected.

The invention discloses a method of preparing concentrated clear red jujube juice with high cAMP content, which comprises the following steps: taking out red jujube after rehydration, denucleating and then crushing pulp for preparing the red jujube thick liquid; conveying the red jujube after enzymolysis by pectinase into a juicer for squeezing, and filtering to obtain the red jujube juice; adding pectinase, amylase and cellulose into the red jujube juice for heat-preservation and enzymolysis for 60-90 minutes; and clearing, conducting concentration sterilization, and finally bulking. The concentrated clear red jujube juice prepared by the invention is clear and transparent, has the cAMP content being larger than or equal to 100 mg/Kg and soluble solid state material being larger than or equal to 60.0 Brix, is deposit-free and suspension-free, has brownish red color and does not have impurities which can be seen by naked eyes; and the concentrated juice is diluted to the soluble solidstate material being 60.0 Brix, and the juice has inherent fragrance and flavor of red jujubes and is free from extraneous odor.

The present invention relates to a separation device notably for a flow-force fractionation of suspended substances in a liquid carrier, said separation device comprising a separation channel and a counter-channel. The object of the present invention is mainly the separation of living cells, preferably of human origin, in particular cells which are found in body fluids.

The invention provides a sewage processing method, solving the problems of unsatisfactory effect of the sewage processing and the existing dead end of the sewage processing in a prior technology. The method comprises the following steps: adding medications into the sewage; flowing the mixed liquor into a cyclone reactor tangentially to perform cyclone separate; performing magnetic separation process on the mixed liquor after being cyclone separated through a magnetic roller. Meanwhile, the invention also provides a sewage processing device adopting the method; the device consists of a sewage inlet pipe, a clear water outlet pipe, a medication-adding system, a cyclone reactor, a magnetic roller and a scraper. The medication-adding system is connected with the sewage inlet pipe; an outlet end nozzle of the sewage inlet pipe is connected tangentially into the cyclone reactor, the cyclone reactor is a revolving body, the magnetic roller and the scraper are positioned in the cyclone reactor, the magnetic roller and the cyclone reactor are arranged on a same axial-line, and the scraper is used to scrape ferromagnetism mud cluster which is absorbed magnetically on the magnetic roller. In the invention, sewage purification has a good effect, the yielding water is clear, sewage processing method and sewage processing device of the invention are applicable to processing the sewage and the sewage containing grease and mud.

The invention relates to a method for recovering high-purity silicon powder from crystal silicon cutting waste material slurry, and belongs to the technical field of secondary resource utilization. According to the method, firstly, electric plating diamond wire or resin diamond wire cutting can be used for crystal silicon cutting; then, during the cutting, a plate which does not contain aluminum oxide or calcium oxide is used for a holding material for replacing a conventional resin plate containing 20 to 60 percent of aluminum oxide; next, the waste material slurry obtained after the crystal silicon cutting is subjected to solid-liquid separation to obtain solid materials; next, the solid materials are subjected to magnetic separation and acid soaking impurity removal to obtain purified materials; finally, the purified materials are dried and sieved to obtain the high-purity silicon powder with the purity higher than 98 percent. The method has the advantages that the flow process is short; the energy consumption is low; the pollution is low; the recovery rate is high; simplicity is realized; the implementation is easy, and the like. In addition, the industrialized production can be easily realized. The method realizes the efficient ecologicalization recovery; waste materials are changed into valuable materials; in addition, the environment pollution is reduced.

A method for producing glass vials, in particular pharmaceutical vials or pharmaceutical ampoules, from a glass tube is provided, the method including the following steps: (a) rotating the glass tube about a longitudinal axis thereof; (b) locally heating the glass tube from one side by means of at least one burner to at least the softening temperature of the glass; (c) reducing the diameter by pressing at least one forming body laterally against the heated region; and (d) separating the glass tube by means of a burner. A glass vial produced in such a way releases a reduced amount of alkali in accordance with ISO 4802 and has a decreased delamination tendency. Furthermore, in the hot-formed peripheral region, the alkali content is only slightly reduced when compared with the alkali content in the glass interior.

The invention discloses a method for separating and enriching micro circulating tumor cells (circulating tumor cells, CTCs) in whole blood for further providing a basis for subsequent study of tumor cells, and relates to the biomedical field. The method comprises the following steps of: covalent coupling of dendrimers and matters (special matters) specifically combined with target cells; further coating long-chain biotin molecules by dendrimers modified by the specific matters; capturing CTCs in a whole blood sample by dendrimers co-modified by the special matters and the long-chain biotin; identifying and coupling long-chain biotin dendrimers in the whole blood by streptavidin modified nanomagnetic beads; and separating and resuspending the captured CTCs. The resuspension can be directly used for subsequent analysis. Compared with conventional cell separation methods, the method is more suitable for magnetic separation of CTCs in complex whole blood samples, so that the magnetic separation time is shortened, and the CTCs separation efficiency in the whole blood sample is improved.

The present invention relates to an apparatus for separating fine particles using magnetophoresis, and to a method for separating fine particles using same, and particularly, to an apparatus for separating fine particles using magnetophoresis, which includes a fine, patterned magnetic structure capable of quickly and efficiently separating even particles that are weakly magnetized and coupled to fine particles, and to a method for separating fine particles using same.

A separation method of the cell wall constituent in the agricultural waste material is to treat the waste material by the low-density hydrogen peroxide in the special alkaline. So it can dissolve the much hemicellulose and the lignin then to purify the cellulose; while to separate and purify the hemicelluloses and the lignin by the organic solvent. Because of this, we can get the cellulose, hemicelluloses and the lignin. The process doesní»t need to add the sodium hypochlorite so it can improve the productivity and avoid the second environmental contamination.

The invention relates to a method for extracting epiberberine, coptisine, palmatine and berberine from golden thread. In the method, the golden thread is used as a raw material. The method comprises the following steps: (1) preparing crude extractive; (2) pre-separating by acid dissolution and alkaline precipitation; and (3) purifying with high-speed countercurrent chromatograph so as to obtain the epiberberine, the coptisine, the palmatine and the berberine, the concentrations of which are above 98%. In the method, ethanol is used for extracting alkaloid in a golden thread medicinal material, pre-separation is carried out by acid dissolution and alkaline precipitation, and purification is carried out with high-speed countercurrent chromatograph, thus the method disclosed by the inventionhas an environment-friendly process and no serious damage on environment.

An oil separator and an air conditioner with the oil separator. The oil separator includes: an oil separation device having an oil separation space in which oil is separated from oil-containing refrigerant; a discharge pipe whose one end is connected to the compressor and the other end is connected to the oil separation device to remove the oil from the compressor. The oil-containing refrigerant discharged from the machine is guided to the oil separation device; and the oil drop forming unit is provided in the discharge pipe so that at least a part of the oil particles contained in the refrigerant passing through the discharge pipe enters the oil separation device in the state of oil droplets. Therefore, the oil separation performance of the oil separation device can be improved because the burden of separating oil by the oil separation device is reduced; and the time for the oil separation device to separate oil can be shortened; the size of the oil separation device can be reduced; The overall performance of the air conditioner of the separator can be improved.

The invention discloses a method for separating active ingredients from an aquilaria sinensis lamina by utilizing a high-speed counter current chromatography. The method comprises the following steps of: extracting the dried and smashed aquilaria sinensis lamina by virtue of a percolation extract method at the room temperature to obtain an aquilaria sinensis lamina extracting solution extractum; extracting the extracting solution extractum for 3-4 times by sequentially utilizing petroleum ether,and ethyl acetate, respectively decompressing and concentrating a petroleum ether extract liquor and an ethyl acetate extract liquor to extractums; then respectively separating the petroleum ether part extractum and the ethyl acetate part extractum to obtain an active ingredient A of 7,4'-dimethoxy-5-hydroxy flavone by utilizing the high-speed counter current chromatography; and then separating the ethyl acetate part extractum through high-speed countercurrent chromatography to obtain an active ingredient B of 3,5,7,3',4'-pentahydroxy-flavone and an active ingredient C of 3,5,7,4'-tetrahydroxy-flavone after coarsely separating the ethyl acetate part extractum by virtue of a column chromatography on silica gel. The active ingredients separated by the method are low in loss, high in separation speed, high in purity, stable and easy to apply.

The invention relates to a separation and preparation method for four glycoside chemical reference substances in Tibetan capillary artemisia. The method comprises steps of (1) subjecting a Tibetan capillary artemisia medicinal material to alcohol extraction and concentration to obtain a Tibetan capillary artemisia extract; (2) extracting with chloroform and n-butanol separately, after the Tibetan capillary artemisia extract is dissolved, to obtain a chloroform part, an n-butanol part and a water part; (3) drying the n-butanol part to obtain dry powder of the n-butanol part; (4) dissolving the dry powder of the n-butanol part and injecting into a preparative high-performance liquid chromatography, and obtaining a component group of the four compounds after elution, on-line ultraviolet detection and drying; (5) pumping the stationary phase and the mobile phase of a solvent system into a high-speed countercurrent chromatography, and separating the component group, after the high-speed countercurrent chromatography is balanced, to obtain a four-glycoside mixture with a purity larger than 90%; and (6) dissolving the mixture, adding into a gel separation column, eluting and drying to obtain the four glycoside chemical reference substances with purities larger than 98%. The method is short in separation time, low in organic solvent consumption, and good in stability and repeatability.

The invention discloses a surface modification sulfydryl magnetic nanometer material as well as a preparation method and application of the surface modification sulfydryl magnetic nanometer material and belongs to the technical field of inorganic materials and analysis. The magnetic nanometer material is obtained by firstly adopting coprecipitation to synthesize the magnetic nanometer material and adopting gamma-sulfydryl propyl trimethoxy silane and tetraethoxysilane to carry out surface chemical modification. The material is used as an adsorbent, the specific surface is great, quadrivalent selenium can be selectively adsorbed, and hexavalent selenium is not adsorbed. The material has good application fields in the selenium form analysis field.

Various embodiments of the invention are directed to formation of mesoscale or microscale devices using electrochemical fabrication techniques where structures are formed from a plurality of layers as opened structures which can be folded over or other otherwise combined to form structures of desired configuration. Each layer is formed from at least one structural material and at least one sacrificial material. The initial formation of open structures may facilitate release of the sacrificial material, ability to form fewer layers to complete a structure, ability to locate additional materials into the structure, ability to perform additional processing operations on regions exposed while the structure is open, and/or the ability to form completely encapsulated and possibly hollow structures.

The invention discloses a method for batch preparation of chicken Eimeria coccidium oocysts, and particularly relates to a separation and purification method for producing oocysts (antigens) of chicken Eimeria coccidium vaccines. The method for preparing the chicken Eimeria coccidium oocysts comprises the following process steps: fecal sample processing, continuous screening, saturated brine float centrifuging, oocyst centrifugal depositing and oocyst purifying. According to the method, the industrial preparation of the chicken Eimeria coccidium oocysts can be realized, the production efficiency can be improved, and the cost can be reduced.

The invention provides heavy-load agricultural diesel engine special oil and a production method thereof, synthetic ester, II type base oil, a viscosity index improver, a diesel engine oil compound agent, a pour point reducer, an antifoaming agent, a friction modifier, a high antioxidant and other components are used, most excellent technical parameters are screened by orthogonal experiment method and component ratio and dosage to use as technical formula parameters of the heavy-load agricultural diesel engine special oil, the heavy-load agricultural diesel engine special oil meets specification requirements of high-grade diesel engine oil of the level of API CF-4 or above, and has excellent thermal oxidation stability and oil/water separation property. The method improves the thermal oxidation stability, lubricity and oil/water separation properties of oil products, shortens the time of oil-water separation, prolongs lubrication protection ability and the service life of the oil products, saves resources, and the heavy-load agricultural diesel engine special oil can completely meet the oil requirements of 25-80 p heavy-load agricultural diesel engines.

The invention discloses an energy-saving and environment-friendly water surface decontaminating device and belongs to the technical field of water governance. The energy-saving and environment-friendly water surface decontaminating device comprises a collecting mechanism and a separating mechanism mounted on a cleaning ship. The separating mechanism comprises a centrifugal layering box and the collecting mechanism comprises a fishing frame, a windmill type rotating assembly, a mixed liquid suction channel and a garbage collecting box. The fishing frame is mounted at the rotating outer side endof the windmill type rotating assembly, and a filter screen is arranged in an inner cavity of the fishing frame to separate a garbage collecting chamber and a mixed liquid suction chamber; the mixedliquid suction channel penetrates from the inner side of the windmill type rotating assembly, and two ends of the mixed liquid suction channel separately communicate to the mixed liquid suction chamber and the centrifugal layering box; a garbage recovery pot is formed in one side of the garbage collecting box, the opposite side is a garbage storage chamber, and a guide windmill plate I and a guidewindmill plate II opposite in rotating direction are separately arranged on two sides of the garbage recovery port in the garbage collecting box. The energy-saving and environment-friendly water surface decontaminating device disclosed by the invention can collect and clean solid garbage floating in a water body and also can clean oil liquids attached to garbage and suck and recover the oil liquids.

The invention belongs to the field of biochemical analysis, and relates to a magnetic nano-material, a preparation method and a purpose of the magnetic nano-material for a method for enrichment palmitoyl-modified protein/peptide segment. The method employs a synthesized nano Fe3O4 magnetic core as a material magnetic center, 3-(2-pyridine dimercapto)propionic acid N-hydroxysuccinimide eater (SPDP) is used for coating the Fe3O4 magnetic core, and a Fe3O4-coated NH2-coated SPDP magnetic nano-material is prepared: the nano-material can selectively increase the efficiency of enrichment of palmitoyl-modified protein/peptide segment, and can be used for analyzing a practical biological sample. The magnetic nano-material has the advantages of good selectivity, high sensitivity, simple preparation, and rapid and convenient separation, and the enrichment method of the magnetic nano-material has the advantages of simple operation, time saving and economy, and high efficiency and sensitivity.