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110results about How to "Solve the shortcomings" patented technology

Photoacoustic microscopy imaging-based quantitative detection device for nevus flammeus blood vessel

The invention discloses a photoacoustic microscopy imaging-based quantitative detection device for a nevus flammeus blood vessel. The device comprises two parts, namely hardware and software, wherein the hardware comprises a light emitting system, an optical rapid scanning system, a photoacoustic detection system, an X, Y and Z-axis motor positioning system and a host computer system; the software comprises driving, deconvolution and filter back-projection algorithms of various hardware, and three scanning imaging modes; the imaging depth of the device is 2mm; the transverse resolution is 3.8mu m; the axial resolution is 40mu m; the imaging range is 0.5mm or 1mm; the problem that a pure optical method cannot reach the imaging depth, and ultrasound cannot reach the resolution are solved; two-dimensional and three-dimensional structure imaging is adopted, so that the parameters such as pipe diameter and depth of the blood vessel, and relative blood volume percentage distributed along the depth direction can be quantitatively counted; the defects and disadvantages in an existing clinical PWS detection technology are solved; and a non-destructive real-time multi-mode detection method is provided for PWS pathological study.
Owner:广州佰奥廷电子科技有限公司

Process for extracting and separating capsaicin, capsicum red pigment and capsicum oleoresin crude product from red pepper

The invention provides a technological method of extracting and separating capsaicin, capsicum red pigment and capsicum oleoresin crude products from red pepper, which adopts the red pepper pulverized with a certain particle size as material and hydrous ethanol as extraction solvent, and three-stage extraction method for the preparation of the three extracts of capsaicin, capsicum oleoresin and capsicum red pigment separated in the extraction phase. The three extracts are respectively vacuum concentrated and distilled, and the crude products of capsaicin, capsicum red pigment and capsicum oleoresin can be gotten after the solvent recovery and solvent residue removal. The extracting and separating method separates the capsaicin, capsicum oleoresin and capsicum red pigment in the extraction phase by using the same extraction tank and solvent, avoids the trouble of separating the capsaicin and capsicum red pigment in the late workshop section, eliminates the alkali and acidification treatments or the separation craft of column chromatography, facilitates the improvement of the output ratio of capsicum red pigment and capsaicin. The technological method of extracting and separating capsaicin, capsicum red pigment and capsicum oleoresin crude products from red pepper has the advantages of simple technique, easy operation and control, less equipment investment, easy solvent recovery and reuse, low cost, short cycle, high yield of active ingredient, and better suitability for commercial and mass production.
Owner:王海棠

Mortar making system and process suitable for large horizontal sand silo of mine filling station

The invention discloses a mortar making system and process suitable for a large horizontal sand silo of a mine filling station. The system comprises a mortar supply and transport system, a high-pressure gas supply pipe (9), a high-pressure water supply pipe (8), a horizontal sand silo (7), an output pipeline of the horizontal sand silo, a cement silo (15), an output system of the cement silo, a stirring device (14) and a filling pipeline, wherein the outlet of the mortar supply and transport system is arranged above the horizontal sand silo (7); the output pipeline of the horizontal sand silo(7), the output system of the cement silo (15) and the stirring device (14) converge; the filling pipeline is connected with a goaf (18); the horizontal sand silo (7) begins from a sand discharge opening; a mortar making area, a transport area and a sand storage area are divided along the trend of the horizontal sand silo (7); annular high-pressure water supply branch pipes and high-pressure gas supply branch pipes are paved in the mortar making area; high-pressure water supply branch pipes and high-pressure gas supply branch pipes are paved in the transport area in parallel; the high-pressure gas supply pipe (9) is connected with the high-pressure gas supply branch pipes in the horizontal sand silo (7); and the high-pressure water supply pipe (8) is connected with the annular high-pressure water supply branch pipes and the high-pressure water supply branch pipes in the horizontal sand silo (7). The system and the process have the following effects: the horizontal sand silo achieves high-capacity continuous filling; the filler quality is ensured; the unsupported roof time of the goaf is reduced; the filling station construction investment is reduced; mining and filling of the mineare balanced; and the system and the process are favorable for the mine to achieve safety production and environmental protection.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES

Anhydrous granulating technique of metallurgical slag or melted sulphonium and device thereof

ActiveCN101660012AAchieve the purpose of granulationSimple processRecycling and recovery technologiesMetallurgical slagPre cooling
The invention relates to the field of pyrometallurgy, in particular to an anhydrous granulating technique of metallurgical slag or melted sulphonium and a device thereof; the device comprises a granulating chamber, a dispersing device and cooling water spray heads, wherein an inner cavity of the granulating chamber is communicated with a slagging chute; a bottom slag hole corresponds to a feed bin; the dispersing device is arranged inside the granulating chamber and positioned under an outlet of the slagging chute; and the cooling water spray heads are also arranged inside the granulating chamber and positioned at the two sides of and under the dispersing device. Compressed gas is adopted in the granulating chamber to lead the melted slag to be dispersed into numerous tiny liquid drops, and the liquid drops are simultaneously pre-cooled in the air to become semi-molten or even solid granules which are then cooled by water mist, so that the aim of granulating can be achieved; finally, after being granulated and cooled, the slag can be settled into the feed bin by means of gravity. The invention has simple technique, convenient operation and a little investment, and overcomes the defects of the traditional water quench process.
Owner:YANGGU XIANGGUANG COPPER

Video on-demand method and system based on network encoding/decoding and cooperative distribution

The invention discloses a video on-demand method and system based on network encoding / decoding and cooperative distribution. The system comprises a client and a server-side, the server-side slices a file; the client can acquire multiple slices in order and play the slice when the single slice is completely acquired, wherein the acquisition of the single slice comprises the following steps: acquiring cooperative node information corresponding to one slice from the server-side; acquiring a data packet of the slice after the network encoding through the UDP connection until a corresponding sliceis obtained by performing joint decoding according to all received data packets from different nodes from the server-side and from the cooperative node based on the cooperative node information; two TCPs and one UDP are included between the client and the server-side and between the clients; the UDP is used for transmitting the data packet, and one TCP connection is used for transmitting a controlsignaling, and the other TCP connection is used for transmitting an active signal. Through the method disclosed by the invention, the data transmission reliability is guaranteed, the data retransmission is avoided, the data transmission rate and the decoding speed are improved, and the load pressure of the server-side is reduced.
Owner:NANTONG UNIVERSITY

Initial and final double-spelling Chinese character input method and virtual keyboard thereof

The invention relates to an initial and final double-spelling Chinese character input method and a virtual keyboard thereof, which belong to the technical field of Chinese character information processing and is invented for widely spreading the double-spelling Chinese character input method. In the method, a special relationship is established between the initial and final consonants of Pinyin and the alphabet keyboard key locations to obtain the initial and final codes, the method is applied to various tools to use initial and finial double-spelling to input Chinese characters, and also can be used for Chinese information ordering, Chinese initial and final double-spelling phonetic notation, Chinese character system upgrading and the like. The method has the following characteristics: 'a, y,w and v' are respectively taken as zero sound codes when four final consonants, namely Kai, Qi, He and Cuo, are syllables; 'U, I and O' are respectively taken as the sound codes of 'zh, ch and sh', the balance single initial consonants are respectively taken as individual sound codes; and the final codes are obtained according to the special relationship that the same finial consonants correspond to the same row of the keyboard and the finial consonants with different medians correspond to the same line of the keyboard. The digital codes of the initial and final codes are obtained according to the row and line sequential numbers of the initial and final consonants in the key locations of the alphabets big keyboard; in terms of a mobile phone keyboard, the digital codes are coded according to a special arranging serial number. The invention has the advantages of minimum memory quantity and high input efficiency.
Owner:钱任举 +1

Telescope system with seamless switch between pure optics and digits

The invention discloses a telescope system with seamless switch between pure optics and digits. After imaging an external environment image, an objective lens system enters objective lens light splitting through an optical inverted image, a beam splitter splits image object light into two beams, one beam is sent to an image sensor, the other beam is subjected to optical superposition with an image of a display screen of an displayed digital image through an ocular spectroscope after the object light strength is adjusted through an electronic light adjusting plate, and the superposed optical image is converted into a virtual image suitable for human eyes through an eye lens system, so that an environment image with high quality can be obtained through visual observation. According to the telescope system with seamless switch between the pure optics and the digits, a pure optical system and a high-end digital system are perfectly solved, the respective disadvantages of the pure optical system and the pure high-end digital system are perfectly combined, not only the advantages of the pure optical system are guaranteed, but also the advantages of the high-end digital system are improved, information sharing is achieved, and a target image is stored at the same time for subsequent use.
Owner:SHENZHEN DAKING OPTOELECTRONICS CO LTD

Large horizontal sand silo suitable for combined filling of mortar in dressing plants and dry tailings in tailings ponds

The invention discloses a large horizontal sand silo suitable for combined filling of mortar in dressing plants and dry tailings in tailings ponds. The sand silo is characterized by being divided into a mortar making region (I), a transport region (II) and a tailings storage region (III), wherein ring-shaped high-pressure water supply branch pipes (c) and high-pressure gas supply branch pipes (a) are laid in the mortar making region (I); high-pressure water spray nozzles (d) are horizontally installed on the ring-shaped high-pressure water supply branch pipes (c); high-pressure gas spray nozzles (b) are vertically installed on the high-pressure gas supply branch pipes (a); high-pressure water supply branch pipes (c) and high-pressure gas supply branch pipes (a) are laid in the transport region (II) in parallel; high-pressure water spray nozzles (d) are horizontally installed on the high-pressure water supply branch pipes (c); high-pressure gas spray nozzles (b) are vertically installed on the high-pressure gas supply branch pipes (a); the dip angle of the bottom plate of the horizontal sand silo is 23-26 degrees; the length of the mortar making region (I) along the trend of the sand silo is 3-5 meters; the length of the transport region (II) along the trend of the sand silo is 5-8 meters; and the length of the tailings storage region (III) along the trend of the sand silo is 4-7 meters. The large horizontal sand silo is applied to mortar making, can be used for realizing high-capacity continuous filling, ensuring the quality of the fillers, shortening the unsupported roof time in the goafs, reducing the construction investment of the filling stations and ensuring mine mining and filling to achieve balance and is beneficial to realization of safety production and environmental friendliness of the mines.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES

Gas relay for realizing intelligent tripping of transformer and gas protection method

The invention discloses a gas relay for realizing intelligent tripping of a transformer and a gas protection method. The gas relay comprises a main body cavity and a measurement and control cavity, wherein two ends of the main body cavity are connected with a transformer body and an oil conservator; the measurement and control cavity is arranged above the main body cavity; the main body cavity internally comprises a light gas liquid level float switch, a float sensor and a flow valve; the measurement and control cavity internally comprises a control module and a combustible gas content detection module; the combustible gas content detection module is controlled by the control module to obtain a gas relay gas of the main control cavity, further conducts combustible gas content detection; and the control module is used for calculating a gas volume increase rate of the gas relay according to gas relay gas volume data of the floater sensor, judging an alarm level in combination with the combustible gas content, and sending an alarm signal of the corresponding level. According to the gas relay, the combustible gas content of the gas relay is measured, the single function mode of light gas alarm and heavy gas tripping in the prior art is broken through, and the working requirements of an existing extra-high voltage transformer can be met.
Owner:国网山东省电力公司营销服务中心(计量中心) +2

Method for determining steam turbine small enthalpy drop blade size considering pre-twisting quantity

The invention provides a method for determining the steam turbine small enthalpy drop blade size considering pre-twisting quantity, and belongs to the technical field of steam turbines. The pre-twisting quantity of small enthalpy drop blades is determined firstly; on the basis of the through-flow heating power and structure, through calculation, whether the blade material can meet the pre-twistingdesign need or not can be verified through calculation, and under the condition that it is ensured that the material meets the need, through the mechanics principle, the allowable pre-twisting quantity value under the assembling state is calculated; in combination with the pre-twisting quantity, small enthalpy drop blade structural size calculation is carried out; according to the solved pre-twisting quantity value, the shroud torsion angle under the assembling state is obtained; through the geometric principle, the pre-twisted blade key size is solved and comprises the blade root pitch, theshroud pitch, the blade root radial angle, and the shroud radial angle; and the problems that during existing steam turbine small enthalpy drop blade size design, the calculation of the pre-twisting quantity is not reasonable, the efficiency of a steam turbine is affected, and unsafe running is caused can be solved. The method can be used for steam turbine small enthalpy drop blade design.
Owner:HARBIN TURBINE +1

Protein-free cell cryopreservation liquid and application thereof

InactiveCN111838139AAvoid the risk of introducing foreign virusesSolve the shortcomingsDead animal preservationBiotechnologyHydroxyethyl starch
The invention relates to a novel cell cryopreservation liquid and application thereof, and discloses a protein-free cell cryopreservation liquid which comprises DMEM / F12, threonine, hydroxyethyl starch, raffinose, polyvinyl alcohol (PVA), dimethyl sulfoxide (DMSO) and propylene glycol. The protein-free cell cryopreservation liquid is free of protein components and animal-derived components, clearin chemical components and universally suitable for ultralow-temperature storage of various cell types or tissues. The invention further provides a using method of the protein-free cell cryopreservation liquid, and the protein-free cell cryopreservation liquid can be used for programmed freezing and is also suitable for a non-programmed freezing mode. The protein-free cell cryopreservation liquidhas clear and stable components, eliminates instability of serum-containing cryopreservation liquid, solves the problem that traditional serum-containing cryopreservation liquid possibly introduces pathogenic bacteria, does not contain protein components, eliminates body immune response possibly caused by foreign protein, has higher safety and is particularly suitable for the field of clinical application. The cells preserved by the cryopreservation liquid can be recovered after being cryopreserved for one month in a short term, the cell viability can be kept at 95% or above, the cell viability can still reach 90% or above after the cells are recovered after being preserved for one year, and the cell viability and functions are not affected.
Owner:苏州依科赛生物科技股份有限公司

Method for strengthening and solidifying chromium in chromium-containing waste

The invention discloses a method for strengthening and solidifying chromium in chromium-containing waste. The method includes the steps that firstly, the chromium-containing waste, goethite and kaolintailings are dried, and the dried chromium-containing waste, the dried goethite and the dried kaolin tailings are subjected to fine grinding; secondly, the fine-particle chromium-containing waste andthe goethite are evenly mixed according to a ratio, a mixed material is roasted under the reducing atmosphere condition, and roasting slag is obtained; thirdly, the roasting slag and the kaolin tailings are evenly mixed according to a ratio, and a secondary mixed material is obtained; and fourthly, the secondary mixed material is subjected to high-temperature curing under the inert atmosphere condition, and a solidified body is obtained after cooling. By means of the method for strengthening and solidifying the chromium in the chromium-containing waste, the chromium component in the chromium-containing waste is reacted with ferric oxide in the goethite through reduction roasting so that a chromite crystal can be formed, and the easily-released chromium component is solidified into a stable chromite crystal structure; and then high-temperature melting with the silicate component in the kaolin tailings is conducted, secondary solidifying/stabilizing is conducted on the chromite crystal,strengthening and solidifying of the chromium are achieved, and the harmful disposing purpose is achieved.
Owner:浙江金泰莱环保科技有限公司 +1

GM-CSF-TAT-CEA recombinant protein as well as method and application thereof

The invention relates to a recombinant protein as well as a method and application thereof, and specifically relates to a GM-CSF-TAT-CEA recombinant protein as well as a method and application thereof, wherein the amino acid sequence table of the GM-CSF-TAT-CEA recombinant protein is as shown in SEQ ID NO: 1; for preparation, a recombinant plasmid is constructed by cloning GM-CSF (Granulocyte-Macrophage Colony-Stimulating Factor), TAT (Thrombin-Anti-Thrombin complexes) and CEA (Carcino Embryonie Antigen) to the cloning sites of a plasmid pET-15b through enzyme digestion, escherichia coli BL21 cells are transformed by the recombinant plasmid to express the recombinant protein, and finally, purification and collection of the transformant of the recombinant protein are carried out; the recombinant protein can be applied to tumor treating drugs. A fusion protein which has specificity and is capable of delaying the service life of DCs (Dendritic Cells) is prepared by combining tumor specific antigens, transducin and a key reagent GM-CSF for induction in vitro of the DCs, and the prolonging of the survival time of the DCs and the activation of specific immune response are guaranteed; extra addition of the GM-CSF in conventional DC culture is avoided, the defect of insufficient GM-CSF in the culture period is overcome and a cytotoxic effect also can be promoted by co-expression of the GM-CSF; besides, a new basis is provided for clinical treatment of tumors.
Owner:SHANGHAI CLAISON BIOTECH

GM-CSF-HER2 recombinant protein, and preparation method and applications thereof

The invention relates to a GM-CSF-HER2 recombinant protein, and a preparation method and applications thereof, and specifically relates to a GM-CSF-HER2 recombinant protein which can be used for preparation of antitumor drugs. Amino acid sequence of the GM-CSF-HER2 recombinant protein is represented by SEQ ID No.1. The preparation method comprises following steps: gene sequences of GM-CSF and HER2 are cloned into plasmid pCEP4 via enzyme digestion for recombinant plasmid construction; human embryo kidney 293 cells are transfected by the obtained recombinant plasmid, and recombinant protein expression is performed; and the obtained recombinant protein is purified and collected. The recombinant protein can be used for producing drugs used for treating cancers such as breast cancer. According to the preparation method, genetic engineering method is adopted; tumor specific antigen, transducin, and GM-CSF which is a key agent for in vitro induction of DC cells are combined; the fusion protein which possesses specificity and is capable of prolonging DC cell life span is prepared; prolonging of DC cell survival time and starting of specific immune response are ensured; the GM-CSF-HER2 recombinant protein is capable of avoiding additional adding of GM-CSF in routine DC cell culturing, and insufficient of GM-CSF in culturing cycles; and coexpression GM-CSF is capable of promoting cytotoxic effects.
Owner:SHANGHAI CLAISON BIOTECH
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