145results about How to "Reduce possession" patented technology

The invention provides a 3G video transmission method and system based on compression sensing in a video monitoring scene, and belongs to the field of data compression and video transmission. After the format of video information collected by a camera is converted into the YUV format through color space conversion, H.264 coding is conducted, compression processing of compression sensing is conducted on coded data, video data streams obtained through compression are transmitted in a 3G network according to the RTSP protocol and the RTP / RTCP protocol, and reconstruction processing of compression sensing and the H.264 decoding process are conducted at a terminal so that restored video information can be obtained. Compression sensing is combined with the RTSP protocol and the RTP / RTCP protocol to be used in the 3G video transmission system, and therefore the system can meet the requirement for instantaneity of video transmission from the aspects of control and data, the system has the self-adaption video coding speed and network transmission speed regulation function, the size of the data transmitted through a network can be greatly reduced, broadband resources are saved, and the transmission efficiency of the system is improved.

The present invention discloses a method for the purification and the energy-saving dehydration of phosphorous gypsum, and comprises the steps: the insolubale phosphate and other solid foreign matters are separated with gravity from the phosphorous gypsum; the soluble phosphate and other soluble foreign matters are separated in pressurizing and filtering way; after being pressed and compressed, the phosphorous gypsum is dried in air and is dehydrated with machine, and the semi-hydrate gypsum powder product is obtained after being dried. The purity of the product is high, the foreign matter is less and the usage is wide; since the non-thermolics mechanical dehydration is adopted, the free water in the phosphorous gypsum is decreased from 25 to 30 percent to 10 percent, thus saving the drying energy consumption, and greatly reducing the production cost.

The invention discloses a device, a system and a method for online storage migration of a virtual machine system. The method includes: copying files by controlling a first storage controller of a source storage device and a second storage controller of a target storage device, copying a master image file to the target storage device, recognizing whether the size of a slave image file accords with the terminate threshold condition or not, if yes, responding to the terminate threshold condition to stop the virtual machine system and migrating to the target storage device, and integrating the master image file and the slave image file to form a new system file. By using the storage controllers for realizing a migration mechanism of mass data copying operations, occupancy and dependency on resources of a physical mainframe by the storage migration method are avoided, influences on performances of the physical mainframe and the virtual machine system on the physical mainframe are weakened, and flexibility, rapidness and high efficiency in online storage migration of the virtual machine system are realized.

The invention relates to a sand mold casting technology comprising steps that: modeling sand is manufactured, wherein casting sand with a size of 40-70 meshes are added to 1-3% of water glass; the mixture is uniformly mixed in a fracturing blender; molding and core-making are carried out; a manufactured mould cavity is vibrated on a vibration platform; casting is carried out during vibration; when a metal solution starts to solidify, the vibration step is stopped. The equipment suitable for the sand mold casting technology comprises a lower platform rack which is used for supporting an upper platform rack used for bearing the mould cavity, wherein the supporting is realized by using a rubber spring. A high-frequency motor used for generating vibration is arranged on the upper platform rack. The equipment and the technology are advantaged in that: the technology and the equipment are environment-friendly; reproducibility for used sand recycling is good; and collapsibility of used sand is good.

The invention provides a preparation method of polyferric sulfate. The method is that a sulfuric acid aqueous solution and ferrous sulfate are mixed to obtain a mixing solution of which the pH is 0.5 to 1.5; the mixing solution and hydrogen peroxide respectively individually flow through independent flowing channels and then are synchronously poured into a reaction system to react to obtain polyferric sulfate. With the adoption of the method, the oxidizing capacity of hydrogen peroxide can be improved, the rate of converting ferrous ions into ferric ions can be increased, and moreover, ferrous ions and hydrogen peroxide can fully contact and rapidly react; therefore, the problem of decomposing of hydrogen peroxide at a high temperature or strong acid condition in the prior art can be effectively solved, the dosage of hydrogen peroxide can be reduced, the cost input can be decreased, the operation process is simplified, and the reaction time is greatly reduced. The quality of polyferric sulfate prepared by the method meets indicators as specified by national standard on top quality goods; with the adoption of the polyferric sulfate to treat wastewater, the COD of drained water can be stabilized to be less than or equal to 86mg / L, so that the method is applicable to industrial production.

The present invention relates to seismic prospecting technology, and is especially laminated medium double focusing method for optimized seismic observation system and its application. The laminated medium double focusing mold is established through the steps of: 1. multiplying serial interlaminar spread operators to realize the forward spread effect from the seismic source to the underground target; 2. multiplying serial interlaminar spread operators to realize the forward spread effect from the underground target to surface geophone array; 3. multiplying serial interlaminar spread operators to realize the reverse focusing seismic source effect from the underground target to the surface seismic source and the reverse focusing detection effect from the surface geophone array to the underground target; and 4. substituting homogeneous medium in the double focusing calculation of the steps 1-3 to find out three characteristic functions.

The invention discloses a multi-partition message control system without a central partition for a regional power grid regulation and control system. The multi-partition message control system comprises nodes of the same partition and nodes of different partitions, and each node comprises a client module, a message service module, and a multi-protocol transceiver module; and two independent uplink and downlink working links are used between the client module and the message service module to achieve separated transmission and reception. The message service module summarized events concerned by all client modules of the node, and the message service modules on other nodes in the same partition are released by multicast; and the routing forwarding module forwards a message to the routing forwarding modules of the nodes of other partitions. The multi-partition message control system is used for solving the limitation of multi-node message transmission without the central partition of the regional power grid regulation and control system, uniting API dispatch, reducing bandwidth occupation between regions and improving the reliability.

The invention provides a vehicle-mounted-GPS-based public transport priority signal control method of the urban road traffic. A vehicle-mounted GPS positioning system is installed at a bus. When the bus approaches an intersection, the vehicle-mounted GPS positioning system sends a verification data signal to a traffic command center; the traffic command center carries out communication with a front-end intersection signal machine and a traffic signal lamp at the intersection is controlled to be changed so as to realize public transport priority passing control. To be specific, (1), the green light time is prolonged; when the green light time at the intersection is coming to the end, the green light time at the marching direction is increased, so that the incoming bus can pass through the intersection; and (2), the red light time is interrupted or priority passing is called for; for the bus arriving at the red light phase, the existing red light is switched after the shortest green light time of the current red light phase and thus the bus priority green light is turned on in advance. Therefore, the bus operation speed is effectively accelerated; the bus route time is reduced practically; and the overall impact on other traffic flow is low.

The invention relates to a large-scale power transformer oil tank welding flip frame, which belongs to the technical field of special tooling for transformers. The technical scheme includes a frame body (1), a base (6), an adjustable length support shaft, an adjustment shaft (8), and an adjustment screw (9). The middle of the frame body is hinged on the base, and the two ends of the frame body are respectively provided There is an adjustable length support shaft connected to the base, and an adjustment shaft and an adjustment screw are also arranged between the frame body and the base; the rotating motion of the adjustment screw is converted into the angle required by the working surface of the frame body, and the fixed If the angle is required, place the fuel tank on the working surface of the frame body and perform welding on the flat welding position. The invention can create favorable working conditions for the oil tank to be overturned for flat welding, solve the disadvantage of crane auxiliary welding, greatly reduce the occupation of lifting equipment, and better relieve the tension of crane turnover at the production site.

The invention relates to a pattern matching based FPGA (field-programmable gate array) logic synthesis method, which comprises the following steps of: firstly, generating data structures of modules to be matched according to an RTL (resistor transistor logic) level circuit set by a user; then, loading a predefined sequence module and a predefined combination module for explanation; selecting eachmodule to be matched and corresponding data structure thereof in the RTL level circuit one by one, and judging whether the selected module to be matched is matched with each predefined module; and once the module to be matched is matched with one of the predefined modules, instantiating the predefined module. By using the logic synthesis method provided by the invention, the occupancy amount of on-chip logic resources is smaller, and the time delay for logic implementation is smaller, therefore, the method can be widely used in FPGA logic synthesis.

The invention discloses a method of showing the ownership region of the mobile phone number, including arranging a mobile phone number ownership region database inside a communication device; finding the received mobile phone number in the mobile phone number ownership region database by the preset finding method; if the received mobile phone number is found out, the ownership region of the mobile phone number is shown. At the same time, the invention also discloses a device for showing the ownership region of the mobile phone number. The invention can ensure that the communication device shows the ownership region of the mobile phone number automatically, which does not need the user to do any operation and is very convenient for using.

The invention discloses a control device for a solar heat-collecting project, which comprises a plurality of solar heat-collecting devices, wherein each solar heat-collecting device is respectively configured with a single chip controller and further comprises a master monitor-management server and a user access platform; the master monitor-management server is in series connection with a network exchanger, and the network exchanger is in communication connection with each single chip controller through the Internet network; the user access platform is in series connection with a gateway router, and the gateway router is interacted with the master monitor-management server through the Internet network; the master monitor-management server comprises a network controller, a webpage information publisher and a water heater parameter monitor; and therefore, the internet is used by the control device to perform centralized single-wire remote monitor on the solar heat-collecting device installed in large area through the webpage, the degree of automation is high and the operation is convenient.

The invention discloses a method for reducing the size of a territory file, and provides a method in which quotations of a reference unit are utilized to replace multiple uniform polygons in a territory based on the screening and matching on the uniform polygons in a large-scale territory file in order to reduce the numbers of coordinates needing to be stored in the territory file, thereby reducing the size of the territory file of super-large-scale integration design. By using the method, storage resources occupied by the territory file and a computer memory occupied when a territory design tool reads the territory file are greatly reduced, and the operation speed of a computer and the use efficiency of the territory design tool are improved. The method disclosed by the invention is especially suitable for the super-large-scale integration design.

The invention discloses a comparison sequence pattern excavation method and device, and relates to data analysis technologies. The problem that a comparison sequence pattern multi-class excavation mechanism is lacked is solved. The method comprises the steps of collecting multi-class sequence sample data; calculating the frequency of a comparison sequence pattern of arising in a data set constituted by the multi-class sequence sample data; calculating the comparison degree of the comparison sequence pattern in a support degree range according to the frequency of the comparison sequence pattern of arising in the data set constituted by the multi-class sequence sample data; evacuating to obtain the comparison sequence pattern based on the multi-class sequence sample data. The comparison sequence pattern excavation method and device are applicable to data excavation analysis, and data analysis excavation at a deeper level is achieved, so that the data analysis with higher pertinence can be conducted.

The casting method with hollow mold is an improved solid mold casting method, which has reduced carbon generation, improved carbon exhaust and reduced recarburization of casting by means of one or several measures of improving casting mold, exhausting gas to reduce pressure and setting reasonable casting system.

The invention relates to the data access technique, aims at solving the problem in the prior art that when a user accesses network resources through a Web client, a network resource server is liable to be paralyzed. The invention provides a method for improving the access efficiency of the Web client. When the user initially browses a Web, an assembly is loaded from an assembly resource server; corresponding data are obtained from a data server, thus forming a corresponding webpage; when the user loads the webpage again, a local cache is queried firstly; the locally existing assembly is obtained; if there is no locally existing assembly, the assembly is obtained from the assembly server; and the data in the data server are obtained. The method provided by the invention is applicable for accessing terminal network data.

The invention discloses a special material for infusion bottle (bag) ring pull covers and a preparation method thereof. The special material for infusion bottle (bag) ring pull covers is prepared from the following components in portions by weight: 10-95 portions of polyethylene, 5-40 portions of polypropylene, 10-60 portions of polyolefin compatibilizer and 0-1 portions of nucleating agent. The invention has the characteristics of simple production process, low production cost, low equipment occupation and the like, and can be used for mass production in cleaning shops; all the raw materials are authenticated by FDA, and are hygienic and reliable, and the product obtain by injection-molding the composition has the advantages of high transparency, favorable flexibility and soft feeling; and the initial force of the product is low when the product is opened, and the edge of the split surface is smooth and flush after the product is opened.

The invention discloses a recycled-ABS (acrylonitrile-butadiene-styrene) toughened foam material. The recycled-ABS toughened foam material is prepared from the following components in parts by weight: 100 parts of recycled ABS, 5-50 parts of polyvinyl chloride, 0.5-15 parts of hollow glass microsphere, 0.5-20 parts of plasticizer, 0.5-20 parts of lubricant, 0.1-20 parts of fire retardant, 0.1-10 parts of smoke suppression agent, and 0.1-5 parts of antioxidant. The invention further discloses a preparation method of the recycled-ABS toughened foam material. The method fully utilizes the recycled ABS, toughens with polyvinyl chloride and improves the flame retardant property, and uses the hollow glass microsphere to fill and foam, so as to avoid the disadvantages that the product is heavy in smell, and the injection molding process is strictly controlled while performing the chemical foaming method; during the production process, the water gap leftover material can be repeatedly processed and utilized for many times. The recycled-ABS toughened foam material prepared from the preparation method is particularly suitable for production of injection products with requirements for high recycled-ABS utilization rate, low production price, good material toughness, light product dead load and flame retardant property.

The invention discloses a lithium ion battery structure and a tab electric connection method. The lithium ion battery structure comprises a shell, a battery cell and a top cover. The battery cell is arranged in the shell, the top cover is welded to the top of the shell, a positive tab and a negative tab are arranged on the battery cell, the positive tab is a full tab, and the positive tab and thenegative tab are located on the upper side and the lower side of the battery cell respectively. A negative pole is arranged on the top cover, the negative lug is connected with the negative pole through a negative connecting piece, and the positive lug is connected with the bottom of the shell through a positive connecting piece. The positive and negative tabs of the battery cell are arranged on the two sides of the battery cell respectively, so that battery cell short circuit possibly caused by the fact that the positive and negative tabs are located on the same side of the battery cell is avoided. The top cover adopts a mono-pole structure, and the difficulty of top cover design and manufacturing and pole welding can be reduced. The positive tab is connected with the bottom of the shellthrough the positive connecting piece, so that the process of die-cutting a pole piece by a battery cell can be reduced, a positive pole is omitted, and the cost is reduced. The battery structure is also beneficial to increasing the energy density of a battery.

A method for preparing chitin nanofibers from waste crayfish shells includes the steps that the waste crayfish shells are subjected to impurity removal, decoloration and degreasing pre-treatment; protein in the crayfish shells is removed through the enzymic method; the crayfish shells are processed by means of a hydrochloric acid aqueous solution with the volume fraction of 2-3% to remove salt; the processed crayfish shell powder is washed with water and dried to obtain a semi-finished chitin product; the semi-finished chitin product is smashed, stirred and dissolved thoroughly to prepare a chitin solution, a separation agent is slowly added into the chitin solution under the stirring condition so that chitin can be gradually separated out from the solution, pure water is added after the separation agent is removed, a suspension of the chitin nanofibers is obtained through resuspension, the suspension is repeatedly washed with pure water, and the chitin nanofibers can be obtained after water is removed. The chitin nanofibers long in fiber, small in diameter and high in strength can be provided, and the nanofibers can be widely used in the fields of biomedicine, tissue engineering and the like.

The present invention relates to an automatic product dispenser, i.e. vending machine featuring improved product delivery ability. The vending machine according to the present invention comprises at least one tray (5) for supporting the products (2) to be dispensed, which is arranged in a substantially horizontal manner and is subdivided into a plurality of compartments (6), at least a conveyor belt (9) for handling the products (2) within the compartments (6) and conveying the products (2) towards a release section (35); the inventive vending machine further comprises delivery means (17) provided close to the release section (35). The inventive vending machine is characterized in that at least one of the compartments (6) is so configured as to be able to receive products (2) arranged along two rows, and in that it comprises selection means (19) adapted to arrange the products (2) into a single row in proximity of the release section (35).

The invention discloses a planting soil made through solidification of sludge, a preparation method thereof and application thereof. The planting soil comprises following components: lake bed sludge containing 55 to 60 % of water, a water and soil solidification agent which is 4 wt% of the sludge, and an organic fertilizer which is 1 wt% of the sludge. The preparation method of the planting soil made through solidification of the sludge comprises the following steps of exhausting flowing water for desilting a lake bed and generating sludge, adding the soil solidification agent in the sludge according to a formula, stirring to a uniform state, standing for 5 to 10 days, solidifying, smashing after solidification and mixing, adding the commercial organic fertilizer according to a formula, and mixing to obtain the planting soil made through solidification of sludge. The planting soil made through solidification of the sludge can be applied to plantation of vegetation. The planting soil accords with rules of nutrient absorption in the initial stage of the plantation of vegetation, and growth of the vegetation, and growth conditions of plants growing in the planting soil made through solidification of the sludge can be distinctly improved, the treatment is good in effect, environment can be protected, and resources can be recycled.

The invention discloses a cold cathode structure capable of allowing space electric propulsion to be started quickly. The cold cathode structure comprises a cathode tube, an emitter, a heat shield, a cathode top, an igniter electrode, an insulator, a housing and a flange. One end of the cathode tube is arranged to the flange, and the other end thereof is provided with the emitter, and is fixed by the cathode top; the cathode top is provided with a center hole; the emitter is in a hollow pipe shape, is arranged in the cathode tube and is closely contacted with the cathode top; the heat shield is arranged outside the cathode tube and is close to the cathode top, and covers the cathode tube portion equipped with the emitter; the igniter electrode is connected with the housing through the insulator; one end of the housing is connected with the insulator, and the other end thereof is connected with the flange; and the flange is provided with an installation hole. The cold cathode structure can start a cathode and an electric thruster to discharge quickly without pre-heating of a heater, and starting time of a spacecraft electric propulsion system is reduced from hundreds of seconds to one second and below, thereby greatly improving response performance of the electric propulsion system; and the cold cathode structure can be used in the field of space propulsion needing to be started quickly.

The invention discloses a method for preparing ammonium tetramolybdate by treating molybdenum-rich wastewater and waste slag, which comprises the following steps: 1. washing a molybdenum roasted product with water, concentrating wastewater, and uniformly mixing with an acid precipitation crystal mother solution in an ammonium molybdate production process, thereby obtaining a mixed solution; 2. adding a molybdenum roasted product into water-washed molybdenum roasted product ammonia leaching waste slag, adding into the mixed solution, regulating the pH value, magnetizing, and stirring to react to obtain a solid-liquid mixed slurry; 3. carrying out solid-liquid separation, and carrying out ammonia leaching on the filter cake; 4. carrying out solid-liquid separation to obtain an ammonia leaching solution and ammonia leaching slag; 5. carrying out ammonia leaching on the ammonia leaching slag; and 6. removing impurities from the ammonia leaching solution, purifying, carrying out acid precipitation, and filtering to obtain the solid ammonium tetramolybdate. The molybdenum roasted product-doped molybdenum roasted product ammonia leaching waste slag is added into the wastewater and acid precipitation mother solution, and liquid-phase magnetization is carried out to efficiently utilize the molybdenum resources in the wastewater and waste slag, thereby greatly lowering the treatment cost for molybdenum-containing waste slag and wastewater, being energy-saving and environment-friendly, and effectively enhancing the molybdenum resource utilization ratio in molybdenum roasted product water-washing concentrated wastewater and ammonia leaching waste slag.

In the method, center server set with operation system and databank is connected to headquaters station through local network and is connected to retail sale station and warehouse at various location through public internet, a ehadquaters account book databank and multiple account book databank of each retail sale station at various location are set in the databank, printer at each branch station is controlled by centre server so all sale affairs, accounting matters and sock data are processed by centre server with computer network data processing program.

The invention provides a gear selecting and shifting mechanism of an automotive transmission, which belongs to the technical field of automotive transmissions and solves the technical problems of complicated structure, large occupied space, inconvenience for arrangement, difficulty in assembly, high cost and the like of an existing gear selecting and shifting mechanism of an automotive transmission. The gear selecting and shifting mechanism of the automotive transmission comprises a gear shifting finger, a gear selecting and shifting shaft and an interlocking plate sleeved on the outer side of the gear shifting finger, the gear selecting and shifting shaft sequentially penetrates through a shell, the interlocking plate and the gear shifting finger, the interlocking plate is positioned between the gear shifting finger and the shell, the interlocking plate and the shell are fixed circumferentially along the gear selecting and shifting shaft, a gear selecting self-locking structure is arranged between the gear shifting finger and the shell, and a gear shifting self-locking structure is arranged between the gear shifting finger and the interlocking plate. The gear selecting and shifting mechanism has the advantages of simple structure, small occupied space, convenience for arrangement, easiness in assembly, low cost and the like.

The invention provides a blockchain data registration method and device, and the method comprises the steps: receiving a registration transaction request sent by a client, the registration transactionrequest comprising user account information and user data abstract information; calling an oracle smart contract, and determining whether user data corresponding to the user data abstract informationis available or not; and under the condition of determining that the user data corresponding to the user data abstract information is available, calling a data registration smart contract, and registering a mapping relationship between the user account information and the user data abstract information. According to the method, the mapping relationship between the user account information and theuser data abstract information can be sent to the blockchain for evidence storage, so that the user privacy can be effectively protected.

The invention discloses a method for managing memory pools. The method comprises the step of controlling the first memory pool to provide a dynamic memory allocation operation and a memory release operation, and controlling the second memory pool not to provide a dynamic memory allocation operation or a memory release operation; when the number of memories allocated in the first memory pool is greater than a first threshold value and the number of memories used in the first memory pool is smaller than a second threshold value, controlling the first memory pool only to provide the memory release operation, and controlling the second memory pool to provide the dynamic memory allocation operation and the memory release operation; after the memories in the first memory pool are all released, clearing the first memory pool, controlling the second memory pool to provide the dynamic memory allocation operation and the memory release operation, and controlling the first memory pool not to provide the dynamic memory allocation operation or the memory release operation. The method for managing the memory pools solves the technical problem that in the prior art, since chunk addresses of memory pools are not continuous and entire blocks cannot be released, the memory occupancy is high, and achieves the technical effect that idle memories are automatically recycled.

The invention discloses a method and device for processing alarm messages. The method comprises the following steps: judging whether an alarm recovery message corresponding to an alarm message required to be reported is received within a preset time period; reporting the alarm message if the alarm recovery message is not received within the preset time period. By utilizing the method and the device, the alarm message which alarms frequently and is recovered immediately is processed, the problem that the operating efficiency of a system is influenced because a large quantity of alarm messages and alarm recovery messages are generated in a short time, a great load is brought to the system, and excessive system resources are occupied is solved; therefore, the occupied system resources are reduced, and the operating efficiency of the system is improved.