31results about How to "Resolve opacity" patented technology

The invention discloses an intelligent contract deployment and calling method and device. The intelligent contract deployment method is executed by block chain nodes and comprises the steps of receiving a first transaction containing byte codes of an intelligent contract, wherein the intelligent contract is compiled and compiled in advance according to business logic, and the business logic comprises at least one basic operation on a table of a database; Sending the first transaction to a block chain network consensus to obtain a calling address corresponding to the smart contract; And sendingthe calling address to a client which submits the first transaction. According to the technical scheme provided by the embodiment of the invention, the intelligent contract is deployed to the blockchain network, so that the service logic is linked through the intelligent contract, and the problem that the service logic is opaque is well solved.

The invention relates to an alkyd resin for a low-cost mixed paint and a preparation method thereof. The resin consists of the following components in percentage by weight: 23-26 percent of dry or semi-dry oil fatty acid, 10-14 percent of polyhydric alcohol, 12-15 percent of pure terephthalic acid, 0.5-0.7 percent of acid anhydride, 0.05-0.1 percent of hypophosphorous acid and 48-52 percent of a letdown solvent. The preparation method comprises the following steps of: feeding dry or semi-dry oil fatty acid, polyhydric alcohol, pure terephthalic acid and hypophosphorous acid into a reaction kettle; heating to 225-235 DEG C for esterifying till a resin is clear and transparent, the acid value is below 8mgKOH/g, and the viscosity is 15-25s/25 DEG C at Grignard viscosity; cooling to 180 DEG C; adding the acid anhydride; continually performing an esterification reaction at 180-200 DEG C till the acid value of the resin is below 6mgKOH/g, and the viscosity is 20-22s/25 DEG C at Grignard viscosity; and cooling, adding the letdown solvent, diluting and discharging. Compared with the conventional phthalic anhydride alkyd resin, the alkyd resin has the advantages: the cost is very low, and the properties such as color, luster, impact and the like of a final paint film are basically consistent.

The invention provides transparent alginate mask powder capable of being peeled off wholly. The transparent alginate mask powder capable of being peeled off wholly comprises a film-forming agent, a coagulant, a retarder, a humectant and a bulking agent, but does not contain diatomaceous earth, talc powder and other mineral fillers. The mask powder has the pH value of 8.0 to 8.5, is transparent after being blended with water, and is relatively mild to skin when being used for skin care; and through addition of the humectant, not only the humectant effect is improved, but also a dry edge phenomenon caused by excessively fast moisture evaporation on the periphery of a mask is avoided.

The invention relates to an asset securitization management system and method based on a blockchain, and the system comprises an alliance chain which consists of four types of role participants: an original equity person, an intermediary mechanism, a supervision mechanism and an investor, and the four types of role participants respectively have respective account books. Data recorded in account books of the four types of role participants are kept consistent, the four types of role participants are connected with a consensus service network, and the consensus service network performs identityauthentication on each role participant according to the certificate trust chain; and the control module is used for performing node election, account book data consistency verification and data synchronization control on the four role participants so as to ensure that the account book data of the four role participants is consistent. Compared with the prior art, by constructing the distributed system, the basic asset information and the project operation information are synchronously uploaded in the whole process, the whole-network real-time sharing of the data is realized, the uploaded datacan be tracked and audited and cannot be randomly tampered, and the credibility of the data subsequently acquired by a user is also ensured.

The invention provides high-transparency polyvinyl alcohol hydrogel as well as a preparation method and application thereof. According to the high-transparency polyvinyl alcohol hydrogel, polyvinyl alcohol and inorganic salt are used as raw materials, water is used as a solvent, the concentration of the polyvinyl alcohol is 3-30 wt%, and the concentration of the inorganic salt is 0.5-29.9 wt%. The method disclosed by the invention is green and environment-friendly, and the prepared polyvinyl alcohol hydrogel has high transparency, adhesion and ultralow-temperature freezing resistance, and has elasticity, ductility, ionic conductivity and moisture retention, so that the problems of non-transparency, no adhesion, no freezing resistance and the like of the polyvinyl alcohol hydrogel during application are solved, and the prepared polyvinyl alcohol hydrogel can be applied to the fields of medicines, materials and sensors.

The invention discloses a fully biodegradable component-toughened PLA composite material and a preparation method thereof. The material is prepared from, by weight, 66-95.9 parts of polylactic acid, 3-15 parts of an alginic acid natural polymer, 1-18 parts of vegetable oil or derivatives thereof and 0.1-1.0 part of an alkaline catalyst. The preparation method comprises the following steps of drying the components, conducting blending and granulating in an internal mixer, then putting granules into an extruder for extrusion, and performing injection molding by an injection molding machine. Thecomposite material has the advantages that the production cost is low, the material is biodegradable, a plasticizer is unlikely to permeate and migrate, no pollution is caused, a good toughening effect is achieved, and the mechanical property is excellent.

The invention belongs to the technical field of dangerous goods supervision, and particularly relates to a dangerous chemical supervision system based on a block chain. The invention discloses a dangerous chemical supervision system based on thea block chain. The dangerous chemical supervision system comprises enterprise nodes, supervision nodes, a bottom layer chain for storing information, a decentralized attribute password service and a system contract layer for executing main supervision functions, wherein the enterprise nodes are related enterprises participating in the links of dangerouschemical production, transaction, transportation and the like; the supervision node is composed of related supervision departments, and the system binds the flow of dangerous chemicals with an enterprise through the traceability and unchangeable characteristics of a block chain, thereby achieving the whole-process supervision of the production, circulation and use of dangerous chemicals. Besides,the introduction of the decentralized attribute password enables the system to realize refined authority management and control, and each supervision department only acquires necessary data, therebyreducing the risk of data leakage and abuse.

The invention discloses a resource expected result auditing method and device based on a block chain, computer equipment and a storage medium. The method comprises the following steps: extracting first data from a preset first block chain network; acquiring second data of the resources acquired in real time, and acquiring a function H (t) according to a formula: H (t) = min (G (t), m), wherein E (t) = F (t)-f (t); according to a formula: a normal time ratio = the first time duration/(the first time duration + the second time duration), if the normal time proportion is greater than a preset proportion threshold, generating a resource expected result; sending the resource expected result to a plurality of auditing block chain nodes; receiving return information of auditing the resource expected results by a plurality of resource expected result auditing block chain nodes; and if a preset block chain recording condition is satisfied, recording the resource expected result into the secondblock chain network. Therefore, the efficiency, safety and reliability of resource expected result auditing and the transparency of the auditing process are improved.

The invention discloses a PPO/PA (poly phenylene oxide-polyamide) composite material and a preparation method thereof. The product is prepared by performing melt blending on PPO and semi-aromatic PA6I. Since molecular structures of the two components have benzene ring structures, organic compatibility among molecules can be achieved, and a compatibility problem is solved without an additional compatilizer. Meanwhile, the PA6I is low in melting temperature and excellent in transparency, and after the PA6I of a certain ratio is added into the PPO, the transparency and processing fluidity of thePPO can be improved. Compared with the conventional PPO/PA having basically equivalent product properties such as tensile strength, bending strength, impact strength, processing fluidity, heat resistance and the like, the PPO/PA composite material disclosed by the invention has the advantages that any compatilizer is not needed, the prepared product has excellent transparency, products with transparency requirements can be prepared, but the PPO/PA composite material disclosed by the invention is completely opaque.

The invention provides a law enforcement return system and method based on a smart contract and workflow architecture, and the system comprises a data storage layer which comprises a business information database and a blockchain system; an interface implementation layer, which comprises a workflow management module and a block link interface platform; a business logic layer, which is used for receiving and processing information submitted by courts, banks and victims based on business rules defined by the workflow management module so as to form law enforcement return workflow, and interacting with the blockchain system through the blockchain interface platform so as to realize data chaining, authority verification, data reading and fund return in the operation process of the law enforcement return workflow; and a participant interaction layer, which is used for providing information input, query and display for the user and comprises a court law enforcement cash-back management system, a bank law enforcement cash-back management system and a victim interaction system.

The invention discloses a sample preparation device for a geotechnical test. The sample preparation device comprises a sample preparation cylinder, a compaction rod is arranged in the sample preparation cylinder, the compaction rod is inverted T-shaped and comprises a horizontal compaction disc and a vertical rod, a test soil sample is held in the sample preparation cylinder, a connection strap isfixedly connected to a top end of the vertical rod, the connection strap is horizontally arranged, one end of the connection strap is fixedly connected with the vertical rod, the other end of the connection strap is fixedly connected with a compaction degree measurement rod, the compaction degree measurement rod is parallel to the vertical rod of the compaction rod, an observation arrow is arranged at a lower end of the compaction degree measurement rod, scale lines are vertically arranged on an outer side wall of the sample preparation cylinder, when the compaction rod is arranged in the sample preparation cylinder, the compaction disc is in contact with the surface of the test soil sample, and the height indicated by the observation arrow is the same as the height where the compaction disc is located. By adopting the sample preparation device disclosed by the invention, in a process when an experimenter compacts the soil sample, the experimenter can conveniently control the compaction degree and the smoothness of each layer of soil sample so as to make adjustment in time.

The embodiment of the invention discloses a railway transportation safety monitoring system. The railway transportation safety monitoring system mainly comprises seven sections of safety management, safety early warning, cadre job implementation, department examination, emergency disposal, equipment management and file regulations. The method mainly depends on the capability of statistical analysis and demand pre-judgment of data through informatization advantages, improves the safety management level, and achieves the purpose of deepening a three-in-one safety guarantee system of a vehicle service system. Meanwhile, the internal management level of the vehicle service system is improved through informatization means, and the integrated mode of management and production hooking and production and safety hooking is achieved.

The invention discloses an express delivery management system utilizing cloud communication. The express delivery management system comprises a self-service terminal management server, an express delivery personnel mobile phone APP, a user mobile phone APP, a communication base station, a plurality of express delivery company servers and a plurality of self-service express delivery devices. The problems that in the prior art, an offline stationing office mode is adopted for express enterprises, expenditure on the enterprises is large, express price information is not transparent, and selectionof people is not facilitated are solved. The problems that in the prior art, an intermediate service station is arranged in a community, goods of all express companies are sorted and distributed in aunified mode, the working efficiency is low, the rent cost is high, people cannot arrange their own time together, and express mailing is inconvenient are solved.

The invention discloses a method for preparing hydrophobic transparent vanadium dioxide thermochromic smart glass by an electrospinning technology. The method comprises (1) adding vanadium dioxide nano-powder into a solvent, carrying out ultrasonic dispersion for 1 to 6 hours, then adding a polymer into the dispersion, and carrying out stirring until complete dissolution to obtain an electrospinning solution, (2) carrying out electrospinning through glass as a receiving substrate and an electrospinning solution obtained in the step (1) to obtain an electrospun composite fiber membrane, and (3)filling the electrospun composite fiber membrane obtained in the step (2) with a solvent and carrying out drying to obtain hydrophobic transparent vanadium dioxide thermochromic smart glass. Throughcombination of the solution filling method and an electrospinning method, the hydrophobic transparent vanadium dioxide thermochromic smart glass is obtained. The method is simple and effective, greatly broadens the application of the electrospinning material in optical materials, provides a new idea for the intelligent energy-saving window, solves the problem that the existing electrospun composite film is non-transparent and makes up for the defects that the electrospun material is not suitable for the field of optics.

The invention provides a team bidding system and method, and relates to the technical field of the Internet, the team bidding system comprises a system server and a plurality of terminals in communication connection with the system server, and the system server is provided with a user management module, a service demand management module, a bidding document generation module, a project team management module and a project contract management module; team bidding software runs on the terminal and comprises a user registration and login module, a service demand acquisition module, a bidding document release module, a project team establishment module and a project contract signing module. Based on the Internet technology, personal service providers can perform team bidding by themselves.

The invention discloses a self-service express management method based on the Internet of Things, and the method comprises the following steps: A, a weighing device collecting the weight information of an object, triggering a scanning device, and the weighing device collecting the weight of the object and transmits the weight to a central processing unit; the size scanner automatically scanning size information and image information of an object and transmits the information to the central processing unit; automatically matching a system program in the central processing unit with the storagebox according to an existing container distribution method. By means of the method, the problems that in the prior art, an express enterprise adopts an offline stationing office mode, expenditure on the enterprise is large, express price information is not transparent, and selection of people is not facilitated can be solved. The problems that in the prior art, intermediate service stations are arranged in a community, the goods of all express companies are sorted and distributed in a unified mode, the working efficiency is low, the rent cost is high, and it is not beneficial for people to arrange the time of themselves together and send expresses conveniently are solved.

The invention discloses a method and system for financing an account receivable pool based on a block chain, equipment and a storage medium, and the method makes full use of a distributed account book technology, an asymmetric encryption technology, an intelligent contract technology, a Hash algorithm, a digital signature and identity authentication technology and the like in the block chain, so that the financing process of the account receivable pool is more convenient and reliable, certificates such as contracts and transaction receipts generated in each financing process can be stored on the chain, each item is unique and accurate, and the problems of virtual transactions, virtual prices and the like do not exist. Many items in the process can be directly and automatically completed through the smart contract of the block chain, the offline confirmation cost is reduced, the business efficiency is improved, a financing bank does not need to carry out account receivable collection after the financing money is issued, the corresponding smart contract can be automatically triggered when a default situation occurs, and the management risk of financing bank nodes is reduced.

The invention discloses a commodity manufacturing processing method and device, and electronic equipment. The commodity manufacturing processing method comprises the steps of obtaining a commodity manufacturing picture collected in a manufacturing process in a commodity manufacturing process; obtaining order information, wherein the order information carries commodity information; and matching thecommodity information with the commodity manufacturing picture, and determining an association relationship between the commodity and the order in the manufacturing process.

The invention relates to a private data comparison method and system, and the system comprises a server comprising participants, and a blockchain node correspondingly deployed for each participant, wherein different blockchain nodes form a blockchain network; each blockchain node comprises an account book and an intelligent contract which are stored based on a blockchain; the server of each participant uplinks the first public key, the second vector and the comparison result into an account book corresponding to the blockchain by calling the intelligent contract corresponding to the blockchain node, and broadcasts hash values of uplink transactions to the servers of the other participants; or queries the first public key, the second vector and the comparison result on the account book query chain corresponding to the blockchain. Private data privacy of two comparison parties can be protected, the intermediate process and the comparison result can be inquired according to the uplink hash, and the process is more transparent.

The invention discloses a portable oil level detector and a using method thereof, and relates to the field of electrical device maintenance. The portable oil level detector comprises an insulating shell, a positioning magnetic sheet, a pulse transmitting circuit, a pulse receiving circuit, a counter, an oscillating circuit, a liquid level alarm lamp, a control circuit and a power supply module. The portable oil level detector is adsorbed on the wall of an oil storage tank or a transformer oil tank through the positioning magnetic sheet, when liquid exists in the oil storage tank or the transformer oil tank, the liquid level alarm lamp flickers, otherwise, the liquid level alarm lamp is not turned on, so that the problem that the oil storage tank or the transformer oil tank is made of an iron plate and is not transparent, so that whether oil exists or not in the oil storage tank or the transformer oil tank cannot be accurately judged, and the maintenance work is not convenient, is solved. The internal oil level position can also be determined when the detector slowly moves on the wall of the oil storage tank or the transformer oil tank, and the liquid level alarm lamp flickers and is not lighted alternately, and the technical problem that the oil level position is difficult to judge is solved. The detector is small in size, is convenient and flexible, enables the overhaul operation efficiency to be improved.