211results about How to "No security risk" patented technology

The invention relates to a method for preparing a germinated brown rice ferment drink. Germinated brown rice is processed in an Aspergillus oryzae and Rhizopus oryzae mixed culture manner, is decomposed by using the enzyme system complementarity, and is inoculated with lactic acid bacteria to carry out fermentation. The prepared germinated brown rice ferment drink is rich in organic acids, variousfree amino acids, soluble dietary fibers, and active components which are gamma-aminobutyric acid and SOD, and has the advantages of sour-sweet mouthfeel, convenience in drinking, no additives, excellent nutrition and healthcare effects, great improvement of the raw material utilization rate in a two-stage fermentation process, and great solving of resource wastes of existing brown rice having bad mouthfeel.

The invention provides a method and a system for an electronic signature token to respond to an operation request, and the electronic signature token. The method comprises the following steps that the electronic signature token receives an enabling command and executes enabling operation according to the enabling command; the electronic signature token determines an operation type and/or operation level corresponding to the operation request according to the received operation request; and the electronic signature token determines a policy used for responding to the operation request according to the operation type and/or the operation level, and responds to the operation request according to the obtained policy, wherein the step of responding to the operation request according to the obtained policy comprises the following steps that the electronic signature token determines a key seed matched with the operation type according to the operation type, and at least generates a dynamic password value according to the key seed and a preset event factor; or the electronic signature token determines an event factor matched with the operation level according to the operation level, and at least generates a dynamic password value according to a preset key seed and the event factor.

The invention discloses an application process trial method. The method includes: acquiring an application trial running instruction; loading code and resources of an application according to the trial running instruction to store the same into a virtual running area, and parsing an information description file of the application to acquire starting information of the application; and forwarding the starting information to system services through the virtual running area, starting the application in the virtual running area, and running the same. The application also provides an application process trial system. An installation package of the downloaded application is used in the virtual running area, the virtual running area is isolated from a process running environment of the system services of a terminal, and thus security risks cannot be generated; and an application process does not need to be actually installed before process trial, then whether the application needs to be installed can be decided through actual experience of trial, actual installation can be carried out, user selection on a really desired application process is facilitated, effective distribution is improved, and the security risks are reduced.

The invention belongs to the technical field of civil engineering, and discloses a microorganism sand pile forming device and a microorganism sand pile forming method. The microorganism sand pile forming method mainly comprises the following steps: a bacterium solution having certain activity is mixed with a calcium chloride solution and a urea solution, a mixture is injected into sandy soil in a thin-walled cylinder through a grouting pipe, a solution after reaction is pumped out through slurry recycling pipes, grouting and slurry recycling are carried out repeatedly for 2-3 times, a new mixed solution is adopted, and the previous steps are repeated for 3-5 times till pile forming is completed. The microorganism sand pile forming device and the microorganism sand pile forming method take undisturbed sand as an engineering construction material in island-reef and desert areas, and employ a microorganism solidification technology for pile forming, no pore forming is required, the disturbance of in-situ grouting is little, the construction is simple and convenient, the pile forming quality is high, the possible problems that the transportation volume of mechanical equipment and raw materials is high, the construction is difficult, a safety risk is high and ecological environments of the island-reef and desert areas may be destroyed when sandy soil pile foundations are constructed in the island-reef and desert areas can be solved effectively, and the microorganism sand pile forming device and the microorganism sand pile forming method have important significances.

The invention relates to a cross-linked hyaluronic acid and hydroxypropyl methyl cellulose composite hydroge and its preparation method. Raw materials for the hydrogel comprise, by mass, 1% to 3% of cross-linked hyaluronic acid and 0.5% to 1% of hydroxypropyl methylcellulose , with the balance being water. A method of mixing hydroxypropyl methylcellulose (HPMC) with cross-linked hyaluronic acid especially refers to a high-speed dispersion method. According to the invention, HPMC and hyaluronic acid are simply physically mixed, a chemical reaction does not exist, and after hyaluronic acid is completely degraded, HPMC can be discharged with body fluid, having no potential security risks. The method provided in the invention has the advantages of simpleness, easy operation, low cost, safety and reliability.

The invention discloses a preparation method of trimethyl borate. The method comprises the following steps of: (1) heating and dehydrating a boric acid solid to prepare metaboric acid and pyroboric acid solids; (2) adding the metaboric acid and pyroboric acid solids which are obtained in the step (1) to methanol to make the mixture react under a stirring state; (3) heating and distilling the reaction solution obtained in the step (2) to obtain an azeotrope solution of the methanol and the trimethyl borate, distilling and cooling raffinate to obtain boric acid; and (4) separating the azeotrope solution of the methanol and the trimethyl borate, which is obtained in the step (3), to obtain a trimethyl borate product. In the invention, by firstly heating and dewatering the boric acid to prepare the metaboric acid and the pyroboric acid and then making the metaboric acid and the pyroboric acid react with the methanol to prepare trimethyl borate, the reaction speed is accelerated, the conversion per pass is improved, the reaction conditions are mild and no risks exist.

The invention provides an in-situ preparation method for a magnetic montmorillonite nanoparticle and application of the magnetic montmorillonite nanoparticle to removal of heavy metals in fruit juice. The method mainly comprises the following steps: adding neutral montmorillonite into iron ion mixed liquor prepared from iron chloride and ferrous chloride under the protection of nitrogen; and preparing the magnetic montmorillonite nanoparticle via chemical co-precipitation in-situ reaction and placing the prepared magnetic montmorillonite nanoparticle in fruit juice containing heavy metal so as to remove the heavy metals via adsorption. The magnetic montmorillonite nanoparticle prepared in the invention is free of latent safety risks; the preparation method is simple and is easy to operate; the magnetic montmorillonite nanoparticle has the characteristics of fast speed in adsorption of heavy metals in fruit juice, convenience in recovery and little influence to the quality of fruit juice, the adsorption capability of the magnetic montmorillonite nanoparticle reaches 6.4 mg/g, the removal rate of heavy metals in fruit juice can reach 90% or above, and the reservation rate of anthocyanin substances like anthocyanidin in fruit juice reaches 80% or above; and the magnetic montmorillonite nanoparticle is substantially improved in the removal rate of heavy metals in fruit juice and reduces influence to the quality of fruit juice.

The embodiment of the invention discloses an AR simulation driving method and system. The method includes the steps of selecting a training mode, projecting a virtual training scene in the training mode into a VR device in real time to display the virtual training scene to a trainee, collecting real-time reality image information of a bridge in the training process of the trainee in real time through a camera on the VR device, and projecting the real-time reality image information into the virtual training scene so that the trainee can have real-time operation simulation training on the basisof the real-time reality image information of the bridge. The camera is added on the basis of an existing VR technology, a man-machine interaction technology is realized through the organic combination of a virtual space and a real space, the system projects the virtual space onto a green screen (or screens in other designated colors) of a real space object, and then organic combination can be realized.

The invention discloses an activating and sleeping control circuit of an urban rail train. The activating and sleeping control circuit comprises local activating relays in all passenger coaches, activating control train lines, and activating control branch circuits in all driver cabs, wherein each activating control branch circuit comprises a self-reset activating press button and a train activating relay; one end of each self-reset activating press button is connected with a positive electrode of a power source, and the other end of each self-reset activating press button is connected with the corresponding activating control train line; each train activating relay corresponds to a first normally open contact, one end of each first normally open contact is connected with the positive electrode of the power source, and the other end of each first normally open contact is connected with the corresponding activating control train line; one end of each local activating relay is connected with a negative electrode of the power source, and the other end of each local activating relay is connected into the corresponding activating control train line; the activating control train line of each driver cab is connected with a first train hook connector. The activating and sleeping control circuit has the advantages that the operation is simple and convenient, the workload of train reconnecting is reduced, the labor cost of the reconnecting is reduced, the reconnecting efficiency of the urban rail train is improved, and the safety risk is avoided.

The invention discloses an intelligent cooking method and an intelligent cooking appliance with a probe. Resistance, capacitance and reactance of food are obtained through utilization of the probe. Atemperature and moisture content in the food are estimated. A main type of the food and a subdivision type of the food are judged. Food maturity of the food is computed. Cooking conditions and cookingtime of the food are controlled. Measurement is accurate. Efficiency is high. No safety risk exists. A plurality of pieces of food can be measured at the same time. Precise cooking is realized.

The invention belongs to the field of bio-organic fertilizers and discloses a bio-organic fertilizer applicable to rape and an application. The bio-organic fertilizer comprises the following raw materials in percentage by weight: 45% to 55% of grain stillage powder, 20% to 25% of rape seed meal, 15% to 25% of rape stalk powder, 0.3% to 0.5% of composite microbial agent and 5% to 8% of Procambarusclarkii shell meal. The bio-organic fertilizer disclosed by the invention is obtained through carrying out fermentation by the specific composite microbial agent. According to the bio-organic fertilizer applicable to the rape and the application, agricultural wastes such as grain stillage, rape stalks and Procambarus clarkii shells can be effectively utilized, the production cost can be reduced, the incidence rate of sclerotinia rot of rape can be lowered, and the yield of the rape can be increased.

The invention discloses a preparation method of isoxaflutole. The structure of the isoxaflutole is disclosed as Formula (II). The method comprises the following step: contacting a compound disclosed as Formula (I) with an oxidizer, wherein the oxidizer contains peroxy organic acid; the peroxy organic acid is a compound disclosed as Formula (III), wherein X, Y and Z are identical or different and respectively independently hydrogen, halogen, or C1-C3 substituted or non-substituted alkyl group. The preparation method disclosed by the invention has the advantages of short reaction time, thorough reaction, high reaction yield, low raw material cost, mild reaction conditions and the like.

The invention provides a secure and secret key and ciphertext generation, storage and transmission method. The method comprises the following steps: pre-establishing and training a joint model; when the trained joint model detects a given specific target, generating a text sentence corresponding to the given specific target through a feature extraction module and a multi-path key generation modulein the joint model; encrypting the security information by using a secret key generated by all or part of the text sentence to generate a ciphertext; packaging the ciphertext and the joint model in apreset application program; and carrying out concealed storage and transmission operation on the ciphertext and the joint model which are packaged together. According to the method, the secret key used for encrypting and decrypting the security information is dynamically generated, and the risk of secret key storage does not exist. The dynamic key is triggered to be generated only when a specifictarget appears, so that the generation, the storage and the transmission of the ciphertext have safety and confidentiality, and the ciphertext can only be decrypted and used by a target user. The invention further provides a generation, storage and transmission device for the secret key and the ciphertext which are safe and secret.

The invention discloses an oxyhydrogen cabin. The oxyhydrogen cabin comprises a cabin body, an air source and a hydrogen source. The cabin body is provided with an air inlet, a depressurizing component, an opening part allowing the human body to get in and out, and an inner space for containing the human body. After the hydrogen source and the air source are mixed, mixed gas capable of being directly inhaled by the human body is formed, the concentration of hydrogen in the mixed gas is smaller than 4%, the mixed gas is connected with the air inlet, the air inlet is communicated with the innerspace of the cabin body, and the depressurizing component is communicated with the inner space of the cabin body. Exhaust of the gas in the inner space is achieved, and the pressure of the inner spaceis kept below 0.3 MPa. The oxyhydrogen cabin is simple in structure, convenient to use, safe and reliable, the hydrogen containing mixed capable of being directly inhaled with the human body is provided, and the antioxidant ability of the human body is improved.

The invention belongs to the technical field of reciprocating compressor state monitoring, and discloses an air valve leakage state evaluation method and system based on a vibration signal. The methodcomprises the following steps: obtaining a vibration acceleration signal of an air valve of a reciprocating compressor and a flywheel key phase signal collected synchronously with the vibration acceleration signal; dividing the vibration acceleration signal according to the flywheel key phase signal and the crankshaft period of the reciprocating compressor, and converting the vibration acceleration signal from a time domain to an angle domain to obtain a plurality of crankshaft period signals; obtaining a plurality of first evaluation values according to the crankshaft period signals; according to the actual opening phase of an exhaust valve and the opening phase of the exhaust valve in a preset health state, obtaining an exhaust valve phase change index as well as multiple second evaluation values; and evaluating the leakage state of the air valve according to the plurality of first evaluation values and the plurality of second evaluation values. And the monitoring method is simple,has no safety risk, and is easy to popularize and apply in an industrial field.

The invention relates to a synthesis method of dexamethasone palmitate. The method comprises the steps as follows: dexamethasone and methyl palmitate are subjected to transesterification under catalysis of solid alkali and a phase transfer catalyst to obtain a target product; a mixture of methyl palmitate and the product obtained after a solvent is removed from solid alkali and the phase transfercatalyst by evaporation is recycled. The method is mild in reaction condition, green, environmentally friendly, simple, efficient and energy-saving, raw materials are easy to obtain, the production cost is reduced, the operation environment is improved, and the method is convenient to operate, high in automation degree and particularly prone to industrialization.