65results about How to "Permanent storage" patented technology

The invention provides a business processing system and method based on a blockchain. The business processing system based on the blockchain comprises a request client, a server and at least two blockchain nodes on the blockchain, wherein the request client is configured to send a target file query request to the server; the server is configured to receive the target file query request, acquire the target file, receive the target file query performed by the user, send prompt information about whether to upload the target file to a blockchain node to the user, and if a target file uploading request of the user is received, the target file is uploaded to the blockchain node; and each blockchain node is configured to receive the target file, store the target file and return a corresponding evidence storage hash value to the request client.

The invention discloses a method and system for managing scholarship based on blockchain technologies. The system involves a scholarship plan management worker, a school examiner, a finance departmentteacher and a student. The method includes the following steps: upon the establishment of a project, the scholarship plan management worker arranging a corresponding plan in a manner that a smart contract automatically perform examination, a student user applying for the scholarship; upon the examination by the school examiner and the scholarship plan management worker, adding an electronic department signature and a user digital signature; after the examination, proceeding to a stage of going-public, after the going-public period, recording the scholarship information that is approved to a to-be-delivered scholarship list, generating a corresponding digital scholarship certificate, and performing broadcasting to other nodes; and a smart contract that is established by the finance department teacher delivering the scholarship to the electronic accounts of scholarship owners, and broadcasting the information of delivering the scholarship to other nodes. According to the invention, thesystem and the method herein can automatically manage the entire life cycle of the scholarship in a secure manner.

The invention discloses a carbonization reinforced regenerated aggregate, and a preparation method and applications thereof, and belongs to the technical field of building material. The preparation method comprises following steps: building garbage is crushed so as to obtain uniform aggregate particles; cement and admixture fine powder are weighted for uniform mixing so as to obtain a surface coated material; the prepared aggregate particles and the surface coated material are mixed, and are introduced into a granulator, water is sprayed uniformly for granulation so as to obtain a coated aggregate; the coated aggregate is introduced into a sealed environment or the natural environment for pre-curing; an aggregate obtained through pre-curing is introduced into a carbonization device for carbonization treatment so as to obtain the carbonization reinforced regenerated aggregate. The preparation method is adopted to prepare the light aggregate, so that aggregate light weight and high strength are achieved, aggregate cylinder compressive strength can be as high as 13.0MPa, and is higher than the using standard cylinder compressive strength 6.5MPa of common light aggregate. The production technology is simple; resource utilization of solid waste is realized; adsorption immobilization of carbon dioxide is realized; sintering is not needed; and low carbon emission and environment protection are realized.

The invention relates to an autogenously-pulverizable low calcium cement, and a making method of a prefabricated product thereof. The autogenously-pulverizable low calcium cement is made from limestone, sandstone and iron ore, the CaO content of the prepared autogenously-pulverizable low calcium cement is 40-60%, and the main mineral phase of the autogenously-pulverizable low calcium cement is CS, C3S2, gamma-C2S and a liquid phase. The activity of the cement is excited by using high-concentration CO2 gas in a short period (8h) to make the prefabricated products of the autogenously-pulverizable low calcium cement, and the prefabricated products can be a sheet, a building block, a brick and a tile, and can also be solid or hollow or porous high-strength prefabricated products. The problems of long curing period, high energy consumption and shrinkage cracking of ordinary Portland cement prefabricated products are solved in the invention; and additionally, the autogenously-pulverizable low calcium cement has the advantages of low energy consumption in the baking process, small CO2 discharge amount, high early strength, and slow increase of the later strength, and the product of the autogenously-pulverizable low calcium cement has the advantages of excellent physical and mechanical performances, good durability, fire and corrosion resistance, good decorativeness and processability, environmental protection, energy saving and emission reduction, and very good social, economic and environmental benefits.

The CO2 mineralizing process includes the steps of: grinding silicate mineral of natural calcium and magnesium into powder, mixing with the mixed solution of sodium bicarbonate and sodium chloride or distilled water in a reaction kettle, filling CO2 gas to the reaction kettle to 3-12 MPa and reaction at 100-250 deg.c via stirring for 30-90 min to produce carbonate and realize the permanent storage of CO2. The present invention adopts rich natural silicate and can realize large scale CO2 treatment.

The invention provides a blockchain-based road rescue privacy protection system and method in a fog computing environment, belongs to the technical field of Internet of Vehicles data privacy protection, and aims to generate system public parameters and calculate the pseudo identity of an OBU. In the method, a complete secret key of the OBU is calculated according to the system parameters and the pseudo identity, signcryption is conducted on vehicle information corresponding to the OBU within the validity period of the pseudo identity, the signcryption result is sent to the RSU to be subjectedto aggregation calculation and verification, and a ciphertext which is successfully verified is sent to the alliance chain; and a rescue corresponding platform nearest to the vehicle user is searchedaccording to the rescue request, then a search result and the ciphertext of the vehicle user on the alliance chain are sent to the TA for verification, and the verification result is verified and decrypted to a rescue response platform. According to the invention, the confidentiality and integrity of data are ensured, signed messages cannot be forged or modified by malicious vehicles, the real identity of a vehicle user is hidden and kept consistent, a trusted mechanism can track the real identity of the vehicle, and a secret key generation center has no complete private key of the vehicle user, so that the information security is ensured.

The invention provides a process for storing carbon dioxide in flue gas by utilizing brucite. By the process, the release of magnesium ions and the carbonatization process of carbon dioxide are separated; and corresponding improvement measures are taken for each process, so that the process is higher in efficiency and lower in energy consumption. NH4Cl solution for digesting the brucite can be repeatedly used, so that the recycling of a raw material and the resource utilization of a product are realized. The whole process is environment-friendly and efficient, and low in energy consumption, and has the potential of industrial scale application.

The invention discloses a method for crawling Android mobile phone App data. The method comprises the steps of obtaining control parameters of an App through a uiautomatorviewer tool provided by an Android SDK in an Android mobile phone, then binding interface control elements in the App through an Android test framework uiautomator, and automatically crawling data in the App; and finally throughcommunication of an Android client and a server, realizing permanent backup of the crawled data. According to an Android mobile phone automatic crawler technology, the App data is automatically crawled based on visible elements of an Android platform interface, so that unnecessary maintenance cost is reduced; and the method has relatively high practicality.

The invention discloses an artificial steel slag aggregate and a preparation method and application thereof. The preparation method comprises the following steps: step 1, grinding steelmaking tailingsby using a ball mill to obtain uniform steel slag powder; 2, weighing Portland cement, an admixture fine powder and steel slag powder, and conducting uniform mixing to obtain an aggregate raw material; 3, preparing an additive aqueous solution; 4, putting the aggregate raw material into a ball forming mill, and uniformly spraying the additive aqueous solution prepared in the step 3 to form balls,so as to obtain spherical artificial steel slag aggregate; step 5, putting the pelletized aggregate into a closed environment or a natural environment for pre-curing; and step 6, putting the pre-cured aggregate into a carbonization device for carbonization treatment to finally prepare the artificial steel slag aggregate. The artificial steel slag aggregate prepared by the method can achieve the goals of safety and high strength, the crushing index of the aggregate can reach 9.26% and reach the I-grade aggregate use standard, the production process is simple, the solid waste is recycled, the carbon dioxide is absorbed and cured, and the artificial steel slag aggregate is free of burning, low-carbon and environment-friendly.

An apparatus for preparing the carbon fibre sheet with back net by hot pressing is composed of the locating-carding unit for carbon fibre tows, back net feeder divided into two parts, hot pressing unit with two hot-pressing rollers, finished product winder, and several delivery rollers. Its advantages are simple structure, and low cost of product.

The invention belongs to the field of geological engineering exploration and is aimed at solving a problem that a conventional rock core storage method is not convenient for geological works to implement. The invention provides an informationized rock core storage method which comprises the following steps: collected rock cores are placed in a rock core case in such a way that one side, having annotated information, of each rock core is placed upward; a target is arranged on an edge of the rock core case, the target is used for splicing three dimension laser scanning data, a three dimension laser scanner is erected for subjecting the rock cores to three dimension laser scanning, three dimension point cloud data of the rock cores is obtained and processed, rock core three dimension entity models carrying geometrical information are built, and the rock core three dimension entity models and rock core cataloging data are stored in a rock core database, and a virtual rock core warehouse is built. The informationized rock core storage method is suitable for informationized storage of drilling rock cores.

A system for improving reliability of a memory device includes one or more memory banks, each of which has one or more regular memory cell rows and one or more redundant memory cell rows. At least one built-in-self-test (BIST) unit is coupled to the memory banks for testing the redundant memory cell rows to determine their respective quality standards, and testing the regular memory cell rows to identify the regular memory cell row that fails to pass a predetermined quality standard. At least one built-in-self-repair (BISR) unit is coupled to the BIST unit for replacing the failed regular memory cell row with the redundant memory cell row having a quality standard equal to or higher than the predetermined quality standard. The BIST unit repeatedly tests the regular memory cell rows a number of times, with each time applying a different quality standard.

The invention discloses a testament electronic data management method based on block chain, which comprises the following steps: collecting testament electronic image data; the testament electronic image data being managed by the block chain which can not be tampered with. Thus, the testament electronic image data is stored and managed by the block chain. Once the testament electronic image data is verified and added to the block chain, the testament electronic image data will be stored permanently, so that the testament electronic image data is true and effective.

The invention discloses an electric vehicle fault repairing method. The method comprises the following steps that: a first VIN code stored in a vehicle control unit is obtained through a diagnostic apparatus; the diagnostic apparatus compares the first VIN code with all VIN codes stored in the diagnostic apparatus and judges whether the first VIN code is normal or not; and when the first VIN codeis abnormal, the diagnostic apparatus acquires a second VIN code according to a bar code on an electric vehicle, and transmits the second VIN code to the vehicle control unit for storage. When the VINcode stored in the vehicle control unit of the electric vehicle is abnormal, the function of writing the correct VIN code of the electric vehicle into the vehicle control unit and storing the correctVIN code is implemented, repairing of the abnormal VIN code originally stored in the vehicle control unit is completed, the vehicle control unit does not need to be sent to a repairing factory to berepaired again, so that time is saved, and the repairing efficiency is improved.

The invention relates to a method for the combined production of lightweight magnesium carbonate and ammonium chloride based on carbon dioxide sequestration. According to the technical scheme of the invention, the wastes of potassium salts dried in a salt lake are adopted as raw materials, and the pH value of a solution is adjusted by the liquid ammonia for the absorption of carbon dioxide in the industrial flue gas. An ammonium magnesium carbonate hydrate crystal generated during the above reaction is adopted as an intermediate product and the ammonium magnesium carbonate hydrate is refined to prepare the lightweight magnesium carbonate. In addition, the magnesium chloride raw material is added into an ammonium-rich solution after the reaction, and then the combined production of an ammonium chloride fertilizer is obtained after the solid-liquid separation process and the drying process. During the refining process of the ammonium magnesium carbonate hydrate, the generated carbon dioxide and the generated ammonia gas are fed back to the reaction solution to be re-absorbed, so that the utilization rate of raw materials is improved. The emission of the tail gas is reduced. During the salting-out process, a generated bittern concentrated liquid is fed back to a crystallization reactor to be used as raw materials for the absorption of carbon dioxide. The above method is energy-saving, environment-friendly, high in operability and easy to industrialize.

The invention belongs to the field of library bookshelves, and particularly relates to a dustproof and mildewproof library bookshelf. The dustproof and mildewproof library bookshelf comprises a left side plate, a right side plate, a back plate, a bottom plate, a top plate and a plurality of partition plates, and the left side plate, the right side plate and the back plate are provided with a plurality of air holes; the left side plate is provided with electrostatic generator electrode installation holes in the portions where the partition plates are in contact with the back plate; one end of the positive pole of an electrostatic generator is connected with a plurality of positive electrodes, and one end of the negative pole of the electrostatic generator is connected with a plurality of negative electrodes; the positive electrodes and the negative electrodes of the electrostatic generator are alternately installed in the electrode installation holes; the dustproof and mildewproof library bookshelf further comprises reading panels. The dustproof and mildewproof library bookshelf has lasting dehumidification and moth prevention effects on books, achieves long-term dedusting and also makes it convenient for readers to read related books without moving around.

The invention relates to a regeneration-free high fluorine water defluorination technology which comprises the following design: 1) addition of a fluorine removal agent: the fluorine removal agent in the technology is added into a water pipe and is mixed with and fully contacted with fluorinions in water through a mixer; 2) reaction flocculation: water mixed through the mixer enters vortex-type reaction flocculation equipment to form flocs; 3) precipitation: water with the flocs enters a quick precipitation device so as to complete precipitation within a short time; 4) filtration: filtering by the adoption of a ultrafilter membrane so as to make effluent standard accord with the national sanitary standard for drinking water (GB5749-2006); and 5) precipitate treatment: dehydrating a discharged precipitate through a filter press, returning an effluent to a water intake end, using a filter cake as a concrete additive to reduce cement content, and preparing a baking-free brick or briquetting for long-term storage.

The invention discloses a marketing strategy determination method and system based on a block chain. The determination method comprises the following steps: establishing an alliance chain by using a block chain technology; wherein the alliance chain is built by one or more initiators, and the alliance chain comprises a plurality of role nodes; wherein each role node corresponds to one marketing role; wherein the marketing roles comprise a data uploading role, a data collection role, a marketing model establishment role, a marketing channel establishment role, an operation role and a supervision role; updating the alliance chain through the role node, and determining the updated alliance chain; performing intelligent processing on the updated alliance chain by using an intelligent contract,and determining marketing metadata; establishing a marketing model according to the marketing metadata; and determining a marketing strategy according to the marketing model. By adopting the determination method and system provided by the invention, the determination cost of the marketing strategy can be reduced, and the privacy disclosure risk can be reduced.

The invention relates to a smart interaction system for subways. The smart interaction system comprises a plurality of handle terminals with a handle function and an information interaction function, a plurality of carriage site servers and at least one backend server, wherein the plurality of handle terminals are arranged in groups according to the number of subway carriages and are in wireless communication connection with the carriage site server corresponding to the current subway carriage, and the carriage site servers are in wireless or wired communication connection with the backend server. With adoption of the handle terminals with the handle function and the information interaction function, the carriage site servers and the backend server, real-time interaction between passengers and a network system can be realized, information such as data of cameras in the carriages can be stored timely and permanently, a handle device using function is added, entertainment for using a public transit system is provided, and more economic value can be created through the handle terminals.

One or more embodiments of the invention provide a solid waste management control system based on a block chain, and the system obtains the image of the solid waste in a temporary storage cavity through reading the putting information, enables the image to be associated with the putting information, and enables a recovery transportation module to recover the solid waste when the recovery transportation module recovers the solid waste. The recovery module records recovery time and classified storage container information corresponding to the delivery information, the tracking module records a transportation path of the recovery transportation module, and generates a data packet, constructs a block and a corresponding hash code, and ensures that the information can be permanently stored by utilizing the characteristics of decentration, openness and autonomy of the block chain, and avoids the risk of tampering the information; the management personnel can monitor the throwing, recycling and transportation conditions of the solid waste at any time according to the information uploaded to the block chain platform, the whole process of solid waste management is monitored, part of or principal can be traced and the crux can be found for illegal operation in solid waste treatment, and the solid waste management control efficiency is improved.

The invention discloses a logistics data publicity method and system based on a block chain and an IPFS, and relates to the technical field of data storage. The method comprises the following steps: selecting an IPFS as a technology for sharing files and data; storing files and data in nodes of the mechanism of the interstellar file system based on the block chain through an API. randomly storingcell blocks in several to hundreds of IPFS nodes according to the IPFS synchronization principle of node data, after files and data are encrypted and subjected to hash segmentation; through an IPFS system, automatically segmenting the file into small file blocks by hash, archiving the small file blocks into the IPFS system, and generating a unique hash value; and publishing a hash value listcorresponding to hash values of files and data of all the mechanismsin a mainstream channel and an industry authority mechanism. By adopting a block chain technology and an interstellar file system storagetechnology, the method is applied to logistics file and data storage, the data privacy of related parties is ensured, meanwhile, the physical storage expenditure is saved, and the expenditure of manpower management is saved.

The invention relates to a public transport intelligent interaction method. The method comprises the following steps: obtaining passenger interaction demand information by a handle terminal having a handle function and an information interaction function; responding to the passenger interaction demand information; obtaining scene images in a carriage of a public transport means by the handle terminal having the handle function and the information interaction function; sending the scene images in the carriage to a carriage station server for temporary storage, and splicing the scene images in the carriage to obtain a panoramic image in the carriage; and sending the panoramic image in the carriage to a rear end server for storage. By adoption of the method provided by the invention, the instant interaction between a passenger and a network system can be realized, shooting data and other information in the carriage can be stored in time and permanently, the use functions of the handle device are increased, use entertainment is provided for the public transport system, and more economic values can be created by the handle terminal.

The invention belongs to the technical field of energy accumulators, particularly relates to a permanent air-storage energy accumulator integrating an air storage cylinder and an energy accumulator, and aims to provide the integrated permanent air-storage energy accumulator with long storage period and capability of realizing permanent air storage. In a technical scheme adopted by the invention, the integrated permanent air-storage energy accumulator is characterized in that one end of an energy accumulator shell is provided with a U-shaped air storage cylinder, and the energy accumulator shell is internally provided with an energy accumulator piston. According to the abovementioned integrated permanent air-storage energy accumulator, one end of the air storage cylinder arranged in the energy accumulator shell is provided with a round hole which is provided with a tubular punch seat A, the punch seat A is provided with a high-pressure punch which is provided with a punch seat B, a punch rod is fixed in the punch seat A through a U-shaped spring buckle, the punch seat B is provided with a through hole, and the air storage cylinder is provided with an air charge hole.

The invention discloses a mobile internet based electrocardiogram diagnosis and information management system. The system comprises an electrocardiogram collector, a stand-alone diagnosis application system, a data storage device and a diagnostic message manager; the electrocardiogram collector collects electrocardiosignal and transmits data to the stand-alone diagnosis application system, the stand-alone diagnosis application system provides real-time preview and automatic diagnosis of the electrocardiosignal data and can upload the electrocardiosignal data to the data storage device for storage, and the data storage device can transmit the electrocardiosignal data to the diagnostic message manager for a doctor to conduct diagnosis. The electrocardiogram collector transmits the electrocardiosignal data through a wireless network which comprises three types of WIFI, Bluetooth and 3G / 4G. The security and integrity of the data and messages can be guaranteed to the maximum extent. Accordingly, by means of the mobile internet technology, the technical effects of rapid transmission of the data, permanent storage and equal distribution of medical resources are achieved.

The invention discloses a method for performing biogas desulfurization and decarburization by combining solid waste and waste alkali liquor, and belongs to the technical field of biogas impurity removal and purification. According to the method, suspension liquid is prepared from basic oxide solid waste and waste alkali liquor; biogas is introduced into the suspension liquid so as to be subjectedto desulfurization and decarburization reaction, so that desulfurized and decarburized biogas purified gas can be obtained; alkaline substances in the waste alkali liquor are utilized to promote conversion of carbon dioxide into carbonate, promote conversion of hydrogen sulfide into metal sulfide, strengthen the formation of calcium and magnesium carbonate precipitates and achieve permanent fixation of the carbon dioxide and hydrogen sulfide. According to the method, the waste is used as raw materials, therefore, cost is low, and the win-win outcome of waste utilization and environmental protection is realized. The method is simple in reaction process and rapid in reaction, removes the carbon dioxide and hydrogen sulfide in the biogas at the same time, and is a biogas purification technology with high efficiency and low cost.

The present invention permits the cell phone owner to erase the data in a lost or stolen phone, using a preset erase code and erase command in the cell phone or the network base station, and disabling or erasing circuitry on the memory chip, preferably an EEPROM chip. Further, a user of the cell phone may obtain information of a person or entity, via a cellular communications network, by dialing a directory assistance number and requesting information associated with the name of the person or company the user has requested information of. The information may be provided to the user in the form of a vcard and may include telephone and facsimile numbers, mailing addresses (mail destinations), instant messaging addresses, maps or directions, digital photos or videos, and the like.

The invention relates to a preparation method of an activated carbon sequestration material for producing recycled aggregate, which comprises the following steps: adding steel slag into a grinding aid, crushing, and then carrying out magnetic separation to recover steel; an activating agent is added into the treated steel slag for activation, and activated steel slag is obtained; adding slag into the activated steel slag, uniformly stirring, and adding a masking agent to obtain a mixed solution; filtering and air-drying the mixed solution to obtain an activated carbon sequestration material; and granulating and carbonizing the activated carbon sequestration material in a granulation reaction container to obtain the recycled aggregate. According to the method, alkaline earth metal and other ions in the converter steelmaking slag and the furnace slag are leached and purified, so that a carbonized product with a high additional value is obtained, effective solidification of carbon dioxide is achieved, damage to the environment caused by exploiting gravel aggregate is avoided, and greenhouse gas emission of fossil fuel in a power plant, a cement plant or a steel and iron manufacturing plant and the like can be reduced.

The invention discloses a television, and writing and reading methods and devices of property data thereof. A FLASH memory of the television is preset with a storage block partition. The storage block partition is not provided with a file system and only provides an exposed partition. The writing method of the property data of the television comprises the following steps: obtaining the to-be-written property data of the television, scheduling the interface function of the storage block partition, and storing the property data in the storage block partition through the interface function. According to the invention, a user cannot modify the property data of the storage block partition so that the property data can be permanently stored and is not lost due to wrong operation of the user, and intelligent television network application errors or operation errors caused by the easily lost property data are prevented.

The invention provides a plastic bag constant-volume inflating device, which comprises a pressure stabilizing inflation device and a plastic bag opening suction opening and heat sealing device. The input end of a inflation control valve is connected with an air inlet pipeline, and the output end of the inflation control valve is connected with a pressure stabilizing device; the output end of the pressure stabilizing device is connected with an electromagnetic valve; the output end of the electromagnetic valve is connected with an inflation device; and the output end of the inflation device isconnected with a plastic bag opening opened through the plastic bag opening suction opening and heat sealing device through a needle tube of a vacuumizing inflation needle tube telescopic device. Theplastic bag opening suction opening and heat sealing device is provided with a plurality of rubber vacuum suction cups through a vacuum generator, the suction cups are sequentially arranged on the upper side and the lower side of the plastic bag opening in a face-to-face mode, and air cylinders are installed on suction cup supports respectively to control the supports to reciprocate. A PLC (Programmable Logic Controller) as well as the pressure stabilizing inflation device and the plastic bag opening sucking opening and heat sealing device which are connected with the PLC are arranged; and thedevice is simple in structure, effectively achieves the purposes of continuously controlling the pressure in the container to be stable, automatically sucking and opening the plastic bag opening, vacuumizing, constant-volume filling and heat sealing, and is safe and reliable in work and high in efficiency.

The invention discloses modified desulfurized fly ash for fixing carbon dioxide and a preparation method of the modified desulfurized fly ash, the modified desulfurized fly ash comprises desulfurizedfly ash, a nitrogen-containing silane coupling agent, ethanol and deionized water, and the mass ratio of the desulfurized fly ash to the nitrogen-containing silane coupling agent to the ethanol to thedeionized water is 1:(0.3-2):(0.3-2):(0.5-3). According to the modified desulfurized fly ash provided by the invention, a traditional method for fixing carbon dioxide by simply utilizing a calcium-based material is changed, amino functional groups are introduced to the surface of the desulfurized fly ash through modification of a nitrogen-containing silane coupling agent, the chemical adsorptioneffect of the carbon dioxide is improved, and the capability of fixing the carbon dioxide by the desulfurized fly ash can be greatly improved. The preparation method of the modified desulfurized fly ash is simple and easy to implement and convenient to operate. The modified desulfurized fly ash can be used as a filling component of a mined waste mine to realize fixation and permanent storage of carbon dioxide. The method can realize resource utilization of the dry desulfurization ash, and is low-carbon and environment-friendly.