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111results about How to "Solve the shortcomings" patented technology

Stream data storage method in video monitoring application

The invention provides a stream data storage method in video monitoring application. Video data frame is used as unit to perform read and write on a disk raw device, file-based management of video data does not rely on a traditional file system any more, the length of the frame of data is recorded at the starting and ending positions of each frame of data, the deflecting position of the first frame of data of the first second is recorded in a database due to the fact that each second may contain multiple frames of data, and the subsequent frames of data can be sequentially calculated and read according to the frame length recorded on the disk. Compared with the prior art, the stream data storage method has the advantages that the method is high in practicality and easy to popularize, the problem of fragmentization of storage based on the file system is solved, and second-level retrieval of video data can be supported.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Nanometer multi-layer composite phase-change film material for multilevel storage phase-change memory, as well as preparation and application thereof

The invention relates to a Ge2Sb2Te5 / Ga30Sb70 nanometer multi-layer composite phase-change film for a multilevel storage phase-change memory. A monolayer Ge2Sb2Te5 film and a monolayer Ga30Sb70 film in the Ge2Sb2Te5 / Ga30Sb70 nanometer multi-layer composite phase-change film material are alternately ranged to form a multi-layer film structure, the thickness of the monolayer Ge2Sb2Te5 film and the thickness of the monolayer Ga30Sb70 film are respectively 10-133nm, and the total thickness of the Ge2Sb2Te5 / Ga30Sb70 nanometer multi-layer composite phase-change film material is 90-200nm. When the Ge2Sb2Te5 / Ga30Sb70 nanometer multi-layer composite phase-change film provided by the invention is applied to the phase-change memory, multilevel storage can be realized; and simultaneously, the Ge2Sb2Te5 / Ga30Sb70 nanometer multi-layer composite phase-change film has higher heat stability and stronger data retention performance.
Owner:TONGJI UNIV

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

Method for preparing vanillin molecular engram polymer

The invention discloses a method for preparing vanillin molecular imprinting polymer by separating and extracting vanillin produced in industrial process, belonging to high- molecule polymerization field. It comprises following steps: dissolving vanillin module moledule and methacrylamide functional monomer into disslovant, adding crosslinking agent, emulsifying agent and initiator under supersonic condtion, water bathing and getting polymer containing imprinting molecule inside; washing polymer to remove vanillin molecule bond inside of polymer and getting final product. The maximum recovery rate for vanillin is 91%, which is far higher than that of 72% in current industrial separation method. There is no inorganic salt wastewater generation during vanillin separation process. The imprinting polymer is a kind of high- efficiency and clean environmental- protecting material, and the application prospect is quite good.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

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

Horizontally wire-feeding split type micro electric spark wire cutting device

The invention discloses a split fine electric spark wire-electrode cutting device, belonging to field of special type process. The invention employs split structure, and comprises tension control device, wire proceeding device and wire returning device. Said tension control device is installed on left or right of working liquid tank, wire proceeding device is set inside working liquid tank, wire returning device is located on left or right side of working liquid tank, work piece is installed on main axle, and the axis Z and Y drive horizontal electrode wire to cut. The invention employs horizontal wire location, which simplifies machine structure, realizes miniaturization; and the immersion and working liquid spraying can be realized. The invention employs V wire nozzle to realize electrode wire accurate location, reduce shake and increase processing accuracy and coarse degree of processing surface.
Owner:SHANGHAI JIAO TONG UNIV

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

Positive type infrared light sensitive composition and positive heat-sensitive lithographic plate

The invention relates to a positive type infrared light sensitive composition and a positive heat-sensitive lithographic plate comprising the same. The photosensitive composition comprises the following components in part by weight: 30 to 60 parts of macromolecular infrared dye, 40 to 60 parts of linear phenolic resin and 0 to 10 parts of background dye, wherein the macromolecular infrared dye has functions of light energy and heat energy conversion and dissolution inhibitor for compounds; and a micromolecular dissolution inhibitor and an acid-generating source are not used in an imaging system so as to avoid the instability of the acid-generating source. The lithographic plate manufactured by using the photosensitive composition overcomes the defects that the positive heat-sensitive lithographic plate needs post processing at high temperature for a long time and the thermal stability is poor. The plate has stable light sensitivity during use. The method adopts the components, so the thermal stability time of the plate is shortened and the light sensitivity of the plate is stable.
Owner:LUCKY HUAGUANG GRAPHICS

Method for synthesizing 2-pentanone by usig ethanol

A process for synthesizing pentone from ethanol features the reaction between ethanol and catalyst K-Pd / ZrO2 / MnO / ZnO in initial gas. Its advantages are high conversion rate (100%) and selectivity. Its separation method is distilling.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

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

IPSec security alliance hardware lookup device and method based on IPv6

The invention discloses an IPSec security alliance hardware lookup device and method based on the IPv6. The hardware lookup device comprises an IP data package receiving module, a compression module, a CAM lookup and matching module and a security alliance storage module, wherein the IP data package receiving module is used for receiving IPv6 data packages transmitted by an internet access, conducting caching on the data packages and extracting prefabricated parameters in the data packages; the compression module is used for conducting bit wide compression processing on the data output by an IP data package receiving module; the CAM lookup and matching module is used for conducting lookup and matching on the compressed data information; the security alliance storage module is used for outputting security alliance information according to the indexed address. According to the IPSec security alliance hardware lookup device and method based on the IPv6, the field programmable gate array (FPGA) is adopted to achieve the whole processing procedure, the device and method have the advantage of being high in lookup speed, the lookup speed of a security alliance database is effectively increased, and the processing efficiency of the whole IPSec is improved.
Owner:SOUTHEAST UNIV

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

One-to-many payment method and system under chain based on block chain

The invention discloses a one-to-many payment method and system under a chain based on a block chain. The payment method relates to an entity mechanism. The entity mechanism comprises a system node, apayer, a coin pressing party and a payee, and the method comprises the following steps: generating public parameters of a block chain system, and private keys and public keys of the payer, the coin pressing party and the payee; establishing an offline payment channel through the payer, and verifying the effectiveness of the payment channel through the system node; locking a set number of frozen money through the money pressing party according to the payment channel, and verifying the effectiveness of the frozen money through the system node; putting forward a payment request to the coin pressing party through payment, and verifying the effectiveness of the payment request through the coin pressing party; the payee paying to the payee through the payer, and the payee verifying the effectiveness of payment; and carrying out settlement between the payee and the money pressing party. By adopting the method or the system provided by the invention, the problem of low flexibility of locked amount distribution in the offline payment system can be solved.
Owner:BEIHANG UNIV

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

Visual flight guarantee management method

PendingCN111260256ARealize regulationEnables full two-way associationResourcesManagement efficiencyReal time display
The invention discloses a visual flight guarantee management method. Two-way binding and monitoring of vehicles and flight information are guaranteed on the basis of an airport apron visual managementsystem, information big data storage and real-time display, tracking and historical playback are perfected, visual management is conducted in a unified mode in a GIS electronic map mode, and the overall guarantee operation and management efficiency of the airport ground is improved. The management method comprises the following implementation steps of (1) task allocation, (2) two-way binding of people, vehicles and flights, (3) visual drawing, (4) early warning processing and (5) information summarization.
Owner:青岛民航凯亚系统集成有限公司

Liquid crystal screen back light source

Being in use for backlight source of liquid crystal screen, the combined light source includes light source composed of multiple pieces of LED, diffusion membrane (upper, lower), membrane of light collection prism (PX,PY), light guiding plate, reflection piece, base. Characters are that basis material of front semiconductor backlight source is transparent material; using reflection of light guiding plate, both of sidelight and front backlight produce reinforced and mixed color light, especially effect of mixing LED in yellow light and blue light, or effect of mixing red, green and blue lights mixed to produce white light.
Owner:INTEX OPTOELECTRONICS XIAMEN CO LTD

Multi-bus type charging pile power distribution device and control method thereof

The invention provides a multi-bus type charging pile power distribution device and a control method thereof. The device comprises a plurality of power modules, a plurality of charging piles with the same charging voltage, a plurality of switches with the same voltage drop and five common buses, wherein the maximum power of each charging pile is the same, and the number of the power modules is the same as the number of the charging piles; a plurality of switches for connecting the power module, the charging pile and the common bus form a multi-bus type switch matrix, the charging controller obtains a vehicle to-be-charged power demand and a vehicle BMS according to a third party, and a given flexible DC charging pile strategy is adopted after comprehensive information calculation; output control of the power module group and switching of the multi-bus type matrix are carried out. According to the device, the charging equipment utilization rate, energy conversion efficiency and the vehicle compatibility can be improved, and the super-power requirement of future battery development can be met.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

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

Tea-leaf twisting machine

The invention relates to a tea-leaf twisting machine which is characterized in that an axial key groove is formed in a screw rod, a locating guide key corresponding to the axial key groove is arranged on the inner diameter of a bending stand base, the locating guide key is fixedly connected to a radial adjustment screw on the bending stand base, the adjustment screw controls clamping and tripping between the locating guide key and the axial key groove, a press disk is fixedly arranged on a press disk base, and the lower end portion of the screw rod is connected with the press disk base through a rolling bearing. The tea-leaf twisting machine can overcome the defects of a single-column type twisting machine and a double-column type twisting machine in the prior art, can improve twisting quality of tea leaves, and is simple in structure and low in manufacturing cost.
Owner:ZHEJIANG BAIYANG AGRI MACHINERY CO LTD

Large-scale building environment monitoring system based on LoRa

The invention relates to an environment monitoring system which is mainly composed of the environment monitoring nodes, a data concentrator, a display screen, a router, a cloud server, a webpage and mobile intelligent terminal. The environment monitoring nodes monitor the corresponding environment information based on each sensor and forward the information data to the data concentrator; after thedata concentrator processes the environment data, on one hand, the environment data is transmitted to the display screen through LoRa to realize the local environment monitoring, and on the other hand, the data concentrator is connected to the router through WiFi to realize data uploading and store the environment data in the cloud server through the Internet, and the webpage and mobile intelligent terminal accesses the server via software to obtain the environment data so as to realize the remote environment monitoring.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Method for synthesizing 1,3-diiminoisoindoline by using mixed solvent

InactiveCN107903202ASolve the shortcomingsSolve the problem of unstable responseOrganic chemistrySynthesis methodsSolvent
The invention discloses a method for synthesizing 1,3-diiminoisoindoline by using a mixed solvent. By using a solvent method in a synthesis method of phthalic anhydride to synthesize the 1,3-diiminoisoindoline, the disadvantage of raw material shortage of a phthalonitrile method and defect of unstable reaction in a solid-phase melting method are overcome. The method has the advantages of simple and easily-controlled process and safe operation; in addition, the yield of the 1,3-diiminoisoindoline reaches 90 percent or above.
Owner:SHANDONG HUIHAI PHARMA & CHEM
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