145results about How to "Reduce possession" patented technology

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.

An efficient mass-transfer tower tray with central down-flow spout and conic liquid distributor is composed of a sieve-or float valve-type tower plate, a cyclone-type down-flow spout in the center of tower plate, a liquid-retaining ring dam on the tower plate, and a conic liquid distributor with blind top. Its advantages are high space utilization rate, flowing uniformity and degassing power, and high efficiency of tower plate.

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 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.

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 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.