248results about How to "Reduce safety concerns" patented technology

An authentication and/or tracking system for identifying, tracking, authenticating and/or otherwise checking the legitimacy of one or more items which include a coded identity tag or mark, the system comprising identification means for reading said coded identity tag or mark and identifying said one or more items, storage means for storing information relating to the location, whether actual or intended, origin and/or ownership of said one or more items, and means for displaying or otherwise providing or verifying said information relating to an item when its identity tag or mark has been read.

The invention provides a long-distance encryption method and device, a management method and device, as well as an encryption management method and device. The encryption method comprises the following steps: a POS (point of sales) terminal sends a request massage to a TMS (terminal management system), receives a response authentication request massage sent by the TMS, calculates according to the terminal authenticating data plaintext, downloading work key ciphertext and downloading maintaining secret key to obtain the second terminal authentication ciphertext, and judges whether the second terminal authentication ciphertext is the same as the first terminal authentication ciphertext, and if the authentication ciphertexts are the same, the TMS authentication ciphertext is encrypted to obtain the TMS authentication ciphertext; and the POS terminal sends the responding authentication massage to the TMS, and receives the secret key plaintext comprising secret key ciphertext sent by the TMS. In the invention, the problem that the long-distance terminal maintenance management TMS can not remotely manage and maintain all the POS terminals is solved, thereby reducing the cost for maintaining the POS terminal and improving the satisfaction degree of users.

An oxidative halogenation process involving contacting methane, a C₁ halogenated hydrocarbon, or a mixture thereof with a source of halogen and a source of oxygen, at a molar ratio of reactant hydrocarbon to source of halogen in a feed to the reactor greater than 23/1, and/or at a molar ratio of reactant hydrocarbon to source of oxygen in a feed to the reactor greater than about 46/1; in the presence of a rare earth halide or rare earth oxyhalide catalyst, to produce a halogenated C₁ product having at least one more halogen as compared with the C₁ reactant hydrocarbon, preferably, methyl chloride. The process can be advantageously conducted to total conversion of source of halogen and source of oxygen. The process can be advantageously conducted with essentially no halogen in the feed to the reactor, by employing a separate catalyst halogenation step in a pulse, swing or circulating bed mode. The production of methyl halide can be integrated into downstream processes for manufacture of valuable commodity chemicals.

The invention discloses a permission management method and device, and relates to the technical field of the computer. A specific embodiment of method comprises the following steps: acquiring permission policies of various service systems; acquiring attribute information of a user when the user attempts to access the service system; distributing corresponding service system role for the user according to the attribute information; and granting the permission of the corresponding service system for the user according to the service system role. Through the method disclosed by the embodiment ofthe invention, the problem that the permission management unification cannot be realized since each system uses a set of independent authorization management system is solved, the permission management and maintenance work of each system is saved, and the safety problem caused by dispersed permission management is reduced.

The invention provides a verification method achieved by combining human faces with identities, and relates to information safety. In particular, fixed biological characteristic information of the human faces is combined with password information input by a dynamic soft keyboard. The verification method is based on a client side and a server side, the client side is provided with the dynamic soft keyboard and an information extraction system except that the client side allows identity verifiers to log in, the client side can obtain human face images of the identity verifiers or further obtain human face information through characteristic extraction and template extraction, information comparison can be carried out on the human face information, the information extraction system is provided with passwords composed of dynamic soft keyboard codes. Therefore, not only can relatively high security, reliability and conveniences of human body biological characteristic recognition be developed, but also dynamic characteristics of passwords can be exerted to eliminate the safety problem caused by the fact that the biological characteristic information is stolen, meanwhile, due to the fact that complexity of the passwords can be lowered, burdens of password memory on the identity verifiers can be lightened, improvement of information safety is facilitated, and furthermore, popularization and application of the authentication technology are promoted.

A pavement ramp edge maker, paving machine and related method are provided for generating a pavement edge ramp that is equal to or less than approximately 45° relative to a surface upon which the ramp is formed. The edge maker generates a ramp that is partially compacted using a compaction surface that extends upwardly from a bottom edge of an end gate of a paving machine. When the pavement mat is compacted, the resulting ramp has an angle that is equal to or less than approximately 45° relative to a surface upon which the ramp is formed.

The invention relates to a preparation technique of beta-hydroxyalkylamide, which comprises the following steps: (a) proportionally adding diethanolamine and an alkaline catalyst into a reaction kettle, evacuating until the pressure in the kettle reaches 0.005-0.01MPa, and controlling the temperature at 50-80 DEG C; (b) dropwisely adding dimethyl adipate within 3 hours to carry out ammonolysis reaction, and evaporating to remove alcohol emitted in the reaction process; (c) after finishing dropwisely adding the dimethyl adipate, heating the reaction kettle to the high temperature of 105-120 DEG C to react for 2-4 hours, cooling to 75-95 DEG C to react for 0.5-2 hours, and keeping the viscosity of the product at 800-1000CPS; and (d) after the reaction finishes, carrying out after-treatment (crystallizing, centrifugalizing and drying) on the crude product. The mol ratio of dimethyl adipate to diethanolamine is 1:(1.8-4); the alkaline catalyst is selected from NaOH, KOH, CH3ONa and CH3ONa/NaOH; the alkaline catalyst accounts for 2-6 wt% of the dimethyl adipate; the crystallizing solvent is a mixed solvent in which the ratio of methanol to ethyl acetate is 1:(2-9); and the consumption of the crystallizing solvent is 1.5-4 times of HAA by weight. The invention can effectively enhance the purity of the product and inhibit the generation of side reactions.

An electrochemical system for converting electrical energy into chemical energy and chemical energy into electrical energy. The electrochemical system comprises a means for converting electrical energy into chemical energy, and a means for converting chemical energy into electrical energy, wherein the means for converting electrical energy into chemical energy and the means for converting chemical energy into electrical energy share a common electrode. In various embodiments, the present invention provides a hydrogen generator/fuel cell hybrid system. In various embodiments, the common electrode functions as a hydrogen source for the fuel cell, an active electrode for the hydrogen generator, and a portion or all of the common electrode is an anode of the fuel cell. Hydrogen, oxygen, and water may be recycled in the system.

The invention provides an operation control method, a device, an air conditioner and a computer readable storage medium. The operation control method comprises the steps that a pressure detection value of a prescribed pressure sensor is acquired in real time; and corresponding heat exchanger pipe temperature is detected according to a preset cycle according to a detected operation mode, and whether the prescribed pressure sensor fails or not is determined according to the pressure detection value and the heat exchanger pipe temperature. By adopting the technical scheme disclosed by the invention, whether the pressure sensor fails or not can be rapidly detected in a working process of the air conditioner; a judging method for failures of the pressure sensor is optimized; a problem that thedetection value of the pressure sensor is distorted in the working process is reduced; accuracy and effectiveness of the detection value of the pressure sensor are favorably improved, and thus reliability of operation of the air conditioner is improved; comfort of using of the air conditioner is also improved; and user experience is improved.

A polyolefin resin composition for pipes, comprising: 100% high-density polyethylene, melt flow rate 0.1-0.5g/10min, density 0.945-0.957g/cm3; 2) 10%-30% ultra-low density polyethylene, melt flow rate 0.1-20g/10min, density 0.860-0.900g/cm3; 3) 0.1%-0.30% peroxide modifier. The composition undergoes a micro-crosslinking reaction through a reactive extrusion process, which improves the environmental stress cracking resistance (>2000 hours) of the high-density polyethylene, and expands the application of the high-density polyethylene in pipes or other fields. The invention further discloses a preparation method of the resin composition.

A palm print information coding, encryption and application method relates to an information safety system. Fixed biology characteristic information of a people palm print is combined with password information constructed by hand palm print coding so that relatively high security, reliability and convenience of human body biology characteristic identification can be achieved, a dynamic characteristic of the password can be performed and a safety problem generated because the biology characteristic information is stolen can be avoided. Simultaneously, because a complexity of the password can be reduced, a password memory burden of an authenticator can be mitigated, which is conductive to increasing information safety and promoting a further popularization application of an identity verification technology.

The invention discloses a low-temperature sludge drying technology and relates to the field of a sludge drying technology. The technology comprises the following steps: crushing wet sludge and carrying out extrusion moulding, entering a belt-type sludge drying box, carrying out heat transfer and mass transfer with hot dry circulating air to obtain dry sludge and wet low-temperature circulating air, inhaling the wet low-temperature circulating air into a heat pump through a circulating fan, further lowering temperature by heat exchange between the air blown from a circulating fan into an intermediate heat exchanger and evaporated outlet air, discharging air out of the intermediate heat exchanger, lowering temperature by a water-cooling pre-cooling coil pipe, evaporating by an evaporator after air-out, separating out condensed water, carrying out heat exchange between evaporated outlet air and heat-pump return air through an intercooler, raising air-outlet temperature and then entering a condenser, and letting hot dry air obtained after temperature rise enter a band-type sludge drying oven for cycling treatment. The invention has the following advantages: energy consumption is low; there is no secondary pollution; drying temperature is low; safety is high; degree of automation is high; and sludge drying cost is reduced.

The embodiment of the application discloses a block chain-based inspection and storage method and device, and electronic equipment. The method comprises the following steps: acquiring inspection dataof a plurality of inspection sites in an inspection activity sequence through a mobile terminal, wherein the inspection data comprises inspection certification information collected at the inspectionsites and running environment parameters of the terminal equipment when the inspection certification information is collected; based on the relation between the running environment parameters corresponding to the plurality of inspection sites in the inspection activity sequence, performing anomaly detection on the inspection data of the plurality of inspection sites in the inspection activity sequence; and when the anomaly detection is passed, submitting the transaction carrying irreversible verification information of the inspection data to a storage block chain through a block chain interface, so as to store the transaction to a distributed account book of the storage block chain.

The invention relates to a pair of intelligent traffic glasses comprising a frame, a display module, a communication module, an input module, a processor module, a power supply module, and a traffic service module. The traffic service module is mainly composed of a storage sub module, a positioning sub module used for providing current position information, a data acquisition module used for acquiring command information output by the processor module and the position information of the positioning sub module, sending the command information and the position information through the communication module to a dynamic traffic FLOWSIM cloud, and then acquiring fed-back dynamic traffic data, and a data processing module used for receiving the dynamic traffic data sent by the data acquisition module, processing the dynamic traffic data and static traffic data by use of a traffic engineering model and a mathematical model to obtain final traffic data, and displaying the traffic data to uses through the display module. The problem that a portable and convenient terminal for providing traffic service lacks in the prior art is solved. The pair of intelligent traffic glasses capable of providing dynamic traffic service and convenient to use and a working method based on the intelligent traffic glasses are provided.

The embodiment of the invention discloses a public key processing method and device for a public key infrastructure. The method comprises the steps of acquiring a public key, determining a status flagof the public key, generating a blockchain certificate including the public key, the status flag and an account identifier, broadcasting the blockchain certificate to a blockchain network, wherein the blockchain certificate is written into a block of a blockchain after blockchain network verification is passed.

The invention discloses an expected function safety analysis method for misoperation of an automatic driving vehicle. The expected function safety analysis method comprises the following steps: S1, constructing a virtual dangerous scene terrain for misoperation of the automatic driving vehicle in simulation test software; S2, creating an automatic driving vehicle misoperation test scene; S3, performing a misoperation scene simulation test experiment on the simulated automatic driving vehicle; S4, exporting simulation test data; S5, performing comparative analysis on the simulation test data and the real vehicle safety test data; S6, judging whether the simulation test data is abnormal or not: if the simulation test data is abnormal, analyzing reasons causing misoperation, debugging and correcting parameters of a corresponding vehicle decision algorithm, and repeating the step S3S6; if the simulation test data is not abnormal, ending the virtual simulation test. By means of the expected function safety analysis method for misoperation of the automatic driving vehicle, safety problems caused by intelligent driving can be reduced, and the safety of the automatic driving vehicle is improved.

An edible smelly marinade, relative products thereof, smelly fermented bean curd and smelly mandarin fish. Chinese traditional smelly foods, such as the smelly mandarin fish, the smelly fermented bean curd, smelly wax gourd, smelly preserved eggs and the like, are prepared through the edible smelly marinate, which includes one or more components selected from following raw materials comprising: amaranth, bamboo shoots, salty fermented soybean, pickled cabbage, durian, pomegranate, purple perilla, mint, coriander, acacia pennata, houttuynia cordata, toona sinensis sprouts, astragalus sinicus, stem and leaves of sesame, water after rice washing and asparagus. The raw materials are wide in sources, namely, amaranth stalks can be replaced by the sesame plants to prepare the smelly brine, and the durian is used for generating the smelly taste directly. The marinade is directly injected into abdomen of mandarin fish to prepare the smelly mandarin fish. The marinade is controllable in process and is excellent in sanitary safety, and has important positive significance in the technical field of the smelly fermented bean curd and the smelly mandarin fish.

A method (and system and server) in which, when a mobile phone unauthorized by a data server requests an access to a document stored in the data server, the unauthorized mobile phone sends a request for access permit to an authorized mobile phone. The authorized mobile phone sends back information for temporary access to the unauthorized mobile phone. On the basis of the information for temporary access, the unauthorized mobile phone transmits a request for temporary access to the data server, upon which the data server transmits information for judgment to the authorized mobile phone. On the basis of the information for judgment, the authorized mobile phone judges whether the unauthorized mobile phone should be permitted an access to the requested document. The unauthorized mobile phone is granted a temporary access to the requested document if the document is currently displayed on the authorized mobile phone.

The invention relates to an on-vehicle automatic winding automotive sun-shading anti-dust device, which solves the disadvantages that the prior automotive sun-shading anti-dust device must have a shell, the cloth is easily rubbed with the vehicle surfaces, and the prior automotive sun-shading anti-dust device only carries out sun-shading anti-dust protection on partial vehicles. The invention uses a hollow circular tube of a cloth winding mechanism as a centre and connects the tail end of intermediate cloth at the front section with the front end of intermediate cloth at the rear section. The left cloth at the front section, the right cloth at the front section, the left cloth at the rear section and the right cloth at the rear section are respectively folded lengthways, adhered on the intermediate cloth at the front section and the intermediate cloth at the rear section, and wound on the hollow circular tube of the cloth winding mechanism. Light, thin and hard strip cloth intermediate gaskets are transversely arranged and adhered in the cloth. The device is mounted in a trunk. The device does not have a shell, has small volume, light weight and convenient operation, can reduce the rubbing among the cloth and the vehicle surfaces, carries out sun-shading anti-dust protection on the whole vehicle, synchronously has certain heat-insulation space, can prevent theft, and is applicable to the sun-shading anti-dust of light car.

The invention discloses a solar flat-plate collector adopting electric tracing bands for auxiliary heating. The solar flat-plate collector comprises a casing, wherein heat insulation layers are arranged in the casing, a light-transmitting cover plate is arranged on the casing, a cavity is formed between the light-transmitting cover plate and the heat insulation layers, a heat collecting plate is arranged in the cavity, a pipe bank is arranged on the heat collecting plate, the heat collecting plate comprises a front side and a back side, the front side of the heat collecting plate faces the light-transmitting cover plate, a coating absorbing solar energy is arranged on the surface of the font side of the heat collecting plate, and the electric tracing bands are arranged on the back side of the heat collecting plate. The electric tracing bands are arranged on the back side of the heat collecting plate and have the fast heating effect, and water in the pipe bank of the heat collecting plate can be rapidly heated through heat transmission; holes in a water storage tank or the pipe bank are not needed, so that the water leakage probability of the equipment is reduced, and meanwhile, the safety problem caused by electric leakage of the equipment is reduced; the heat collecting plate or the pipe bank is directly heated, the problem that water in the pipe bank is frozen and expands in cold weather to damage the pipe bank can be effectively solved, and the solar flat-plate collector adopting the electric tracing bands for auxiliary heating has the advantages of simplicity in operation, safety and reliability in use and long service life.

The present invention provides a charging method and a charging device. According to the embodiment of the present invention, the method comprises the steps of detecting the temperature and the voltage of a target charging battery; determining a target temperature range within which the temperature is; when the voltage of the target charging battery is less than a preset first cut-off voltage, adopting a continuously changing pulsating current to charge the target charging battery, wherein within the same time, the charging amount of adopting the pulsating current to charge the target chargingbattery is greater than or equal to the charging amount of adopting a target constant current charging current value matching the target temperature range to charge the target charging battery, and the valley point current of the pulsating current is less than the target constant current charging current value. According to the present invention, the charging time of the target charging battery can be shortened effectively, at the same time, the probability that due to the polarization, the anode potential of the target charging battery declines to a lithium analysis potential, so that a safety problem occurs can be effectively reduced.

The invention provides an operation control method, an operation control device, a cooking utensil and a computer readable storage medium. The operation control method comprises the steps: controllingthe air drying of the inner wall of a cleaning cavity after the materials completing the cleaning process in the cleaning cavity are discharged into the cooking cavity, so as to enable the cleaned materials attached to the inner wall to be dried and peeled off. According to the technical scheme of the invention, cleaned materials attached to the inner wall can be dried. Therefore, the materials can enter the cooking cavity more easily. The discharging efficiency and the discharging effect of the cleaning cavity are effectively improved. The problem of material waste is reduced. Meanwhile, thesituations that the cleaning cavity cannot be closed, cannot be reset and cannot be sealed due to material residues are reduced. The cleanliness of the cleaning cavity is effectively improved.

The invention relates to vehicle intelligent warning equipment in the field of traffic safety and temporary and real-time intelligent beacon equipment and system in the field of intelligent traffic. Atraffic management department can obtain and publish road occupation, lane occupation, driving direction and position information of accident vehicles and accident attributes such as fire, injury andthe like in real time; other subsequent vehicles within the same-direction sight distance and outside the sight distance are guided to safely and effectively run through road induction or navigation,the functions of a split type warning rod, remote control self-walking and the like, an active warning lamp and the like are provided, the system faces atrocious weather and scenes, and meanwhile thesystem can judge accidents such as traffic collision, water logging, cliff falling and fire catching and awaken equipment to inform traffic units or drivers.