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315results about How to "Inviolable" patented technology

SGX-based secret key protection method and device for blockchain user

The invention discloses an SGX-based secret key protection device for a blockchain user. The device comprises an SGX encryption module, a transaction common recognition module and a transaction construction module; the SGX encryption module generates a trustable space on the basis of a software protection expanded instruction, and generates an access secret key for verifying the access authority of the trustable space; the trustable space is used to store a user secret key and a secret key operation function of a blockchain network; the transaction common recognition module receives a transaction from the blockchain network, accesses the SGX encryption module via the access secret key, calls the secret key operation function, and realizes verification common-recognition of the transaction;and the transaction construction module initiates the transaction according to intention of the user, accesses the SGX encryption module via the access secret key, calls the secret key operation function, realizes filling and legalization of transaction information, and broadcasts the transaction to the blockchain network. The invention also discloses an SGX-based secret key protection method fora blockchain user. The method can be used to prevent malicious software from sniffing and cracking the local secret key of the user, and blockchain assets of the user are protected against intrusion.
Owner:ZHEJIANG UNIV

Microwave oven without microwave radiation and its operation and control method

The invention provides a microwave oven without microwave radiation. The inner side of an oven door is made of microwave reflecting materials which fully shield an opening of an oven cavity; and a transparent or semi-transparent window on the oven door, by which a user can observe the conditions of foods in the oven cavity, are not remained. The oven comprises a microprocessor used for controlling operation of the microwave oven and / or human-machine interaction, a magnetron used for generating microwaves, a wave guide used for guiding the microwaves into the oven cavity, the oven cavity accommodating the food to be cooked, of which at least one side is provided with an opening, the oven door used for fully shielding the opening, an illuminating light source used for supplying enough brightness necessary for taking video pictures, a camera for taking video pictures in the oven cavity, and a display screen used for displaying the video pictures and / or characters and graphic information; moreover, the microwave oven can also have parameterized cooking menus, and can do cooking according to parameters after a user chooses the cooking menu and adjust the parameters of the cooking menu; and the user can customize, import and export the cooking menus.
Owner:郭恒勋

Silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material, and preparation method thereof

The invention discloses a silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material, and a preparation method thereof, and belongs to the field of microcapsule phase-change material. According to the preparation method, an organic phase change material, a silicon source, a modification agent with mercapto functional groups, an emulsifier, and a solvent are mixed and stirred so as to obtain an emulsion, and an initiator is added dropwise so as to obtain silicon dioxide signal-layer wall material microcapsules with mercapto groups; the silicon dioxide signal-layer wall material microcapsules, a silver source, a protective agent, and a reducing agent are mixed, and silver ion self assembling and reduction reaction are realized on the microcapsule surfaces under nitrogen protection so as to obtain the nano silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material. Particle size of the nano silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material ranges from 2 to 10<mu>m, possesses a double-layer structure composed of a metallic silver outer layer and an inorganic material silicon dioxide inner layer, is compact in structure, and high in thermal conductivity, possesses electrical conductivity, antibacterial properties, latent heat storage properties, and temperature regulation performance, and can be widely applied to the fields such as medicine, weaving, electron, and spaceflight.
Owner:BEIJING UNIV OF CHEM TECH

Method and system for preventing mobile terminal from being updated to illegal firmware version

The invention discloses a method and a system for preventing a mobile terminal from being updated to an illegal firmware version, relating to the field of firmware updating of the mobile terminal. The method comprises the following steps: carrying out version legality verification processing on the firmware version to be updated by an updating tool; transmitting handshaking authentication information to the mobile terminal according to a version legality verification result; carrying out handshaking verification processing on the updating tool by utilizing the handshaking authentication information of the mobile terminal; receiving the firmware version to be updated issued by the updating tool according to the handshaking verification result; carrying out the version legality verification processing on the received firmware version to be updated by the mobile terminal; and carrying out firmware version updating according to the version legality verification result. With the adoption of the method and the system, users are prevented from updating the mobile terminal to the legality firmware version which is unidentified in sources and can influence the mobile terminal to be used, so that normal working and use of the mobile terminal can be effectively guaranteed, and benefits of users and operators are also guaranteed.
Owner:ZTE CORP

Preparation method of pre-laid waterproof coiled material for concrete mortar bonding construction

The invention relates to a preparation method of a pre-laid waterproof coiled material for concrete mortar bonding construction. According to the technical scheme, the preparation method comprises the following steps: fully applying an SIS hot-melt pressure-sensitive adhesive to a modified polyethylene plastic waterproof main body layer by virtue of a hot-melt pressure sensitive adhesive coating machine, so as to form an SIS hot-melt pressure-sensitive self-sticking layer, and then coating the hot-melt pressure-sensitive self-sticking layer with a weather resistant mineral grain functional layer with cement reactivity and an anti-sticking isolation membrane positioned on one side of the coiled material. The preparation method has the beneficial effects that (1) a novel wet bonding technique is provided, the coiled material and structural concrete are permanently and organically combined, no water channeling hazards exist between the coiled material and the structural concrete, and the reliability of a waterproof layer is improved; (2) the impact resistant performance and the puncture resistant performance are excellent, and the construction load which directly acts on the pre-laid waterproof coiled material and the impact of a steel skeleton can be born; (3) strong chemical resistance is provided; (4) the construction is convenient, and a leveling blanket is not needed; (5) the waterproof coiled material and a basic layer are in border adhibiting without influence of sedimentation deformation of the basic layer.
Owner:胜利油田大明新型建筑防水材料有限责任公司

Method and device for webpage safety access

The invention discloses a method and a device for webpage safety access. The method comprises the following steps of: acquiring website address of a webpage to be accessed and webpage characteristics of a corresponding webpage; matching the website address and the webpage characteristics of the corresponding webpage with a preset website address recommendation form; recommending a website and the corresponding webpage characteristics by the website address recommendation form, wherein the webpage characteristics comprise title tag key word and / or copyright key word; and judging whether the webpage is counterfeit according to the matching condition and setting the counterfeited website as a recommended website after judging that the webpage is counterfeit. According to the method and the device, a counterfeit phishing website can be detected, and a safe URL (Uniform Resource Locator) of the counterfeited website corresponding to the counterfeit phishing website can be given; through matching of the webpage characteristics, whether the website address accessed by an access terminal is the counterfeit website address is judged, and the website address of the counterfeited website is determined and is recommended to the access terminal to access. Thus, the safety for webpage access is improved, and the access terminal is protected from being damaged by illegal websites.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Skin care solution and preparation method thereof

The invention discloses a skin care solution and a preparation method thereof. The care solution provided by the invention contains Chinese herbal medicinal ingredients with a curing effect on skin, such as leonurus, cortex dictamni, safflower carthamus, radix sophorae flavescentis, radices sileris, Chinese angelica, gallnut, thunder god vine, dark plum and flax seed. The Chinese herbal medicinal ingredients respectively cure the skin by improving blood circulation, adjusting immunity and adjusting in-vivo hormones, so that the skin is lubricated and is elastic, and the health of the skin is ensured. Furthermore, the care solution provided by the invention contains Chinese herbal medicinal ingredients capable of killing various viruses and funguses, such as fructus evodiae, goldthread, cactus, radix stemonae, dandelion, clove and aloe; and the Chinese herbal medicinal ingredients can kill and restrain various germs, the viruses and the funguses on the skin, and ensure that the skin is prevented from invasion and damage of the germs, the viruses and the funguses. The preparation method provided by the invention comprises the following steps of selecting materials, soaking, stewing, purifying and the like, and has the characteristics of simple method, convenience in preparation and low cost.
Owner:广西福莱明生物制药有限公司

Production method of ethylene propylene diene monomer self-adhesion water-resistant coiled material

The invention relates to a production method of an ethylene propylene diene monomer self-adhesion water-resistant coiled material. The technical scheme is as follows: the method comprises the following steps: fully coating a composite modified butyl pressure-sensitive self-adhesion adhesive on a ethylene propylene diene monomer vulcanized water-resistant coiled material main body layer by using a hot-melt pressure-sensitive adhesive coating machine to form a composite modified butyl pressure-sensitive self-adhesion layer, coating an anti-adhesion barrier film on the composite modified butyl pressure-sensitive self-adhesion layer, and cutting the side of the anti-adhesion barrier film with a cutting device to arrange intermittent tear slots, thereby preparing the coiled material product. By arranging the ethylene propylene diene monomer vulcanized coiled material main body layer and the composite modified butyl pressure-sensitive self-adhesion layer, the product has dual water-resistant characteristic, and thus, has obviously higher water resistance; the product has the water-resistant function of full skin adhesion, implements the effective fusion and maximum permanent seal between the coiled material and base layer; and besides, the coiled material has high chemical corrosion resistance.
Owner:胜利油田大明新型建筑防水材料有限责任公司

Cleaning tool

The invention relates to a cleaning tool which comprises a mop and a barrel. Handles are hinged to the two side edges of the barrel. The cleaning tool is characterized by further comprising water squeezing mechanisms arranged on the handles, and locking mechanisms, wherein each water squeezing mechanism is provided with an opening through which the mop penetrates so as to allow the mop to move up and down to achieve dehydration. Compared with the prior art, the cleaning tool has the advantages that when the cleaning tool is in use, the mop is placed into the barrel to be cleaned, and after cleaning, the water squeezing mechanisms on the handles can be used for drying; when the cleaning tool is not in use, the mop is clamped to the openings in he handles, a mop head droops naturally, dropped water directly drops in the barrel, the locking mechanisms are further arranged at the hinged positions of the barrel and the handles, the locking mechanisms can lock the handles to the needed positions according to the using requirement, meanwhile, the water squeezing mechanisms are correspondingly locked to the needed positions so as to dry the mop, and finally the mop is arranged to be inserted to the openings in the handles. The cleaning tool has the advantages of integrating mop cleaning, drying and storing, is more convenient to use and saves more labor.
Owner:NINGBO IVY DAILY COMMODITY

Garden landscape plant cultivation fertilizer

The invention discloses a garden landscape plant cultivation fertilizer which comprises the following raw materials in parts by weight: 10-20 parts of peat soil, 12-20 parts of chernozem, 12-20 parts of kieselguhr, 8-14 parts of plant ash, 8-14 parts of sawdust, 10-16 parts of vermiculite, 6-10 parts of a traditional Chinese medicine dreg extract, 2-6 parts of urea, 3-7 parts of superphosphate, 2-6 parts of diammonium phosphate, 2-4 parts of potassium sulfate, 2-4 parts of magnesium sulfate, 1-2 parts of ferrous sulfate, 2-4 parts of calcium chloride, 2-4 parts of boric acid, 3-7 parts of an alga extract, 3-7 parts of chitin and 0.5-1 part of a microbial agent. Investigation on components of the garden landscape plant cultivation fertilizer shows by accident that the traditional Chinese medicine dreg extract, the chitin and the microbial agent take a synergistic effect into play and have a mutualism relationship with plants, so that effects of nitrogen fixation, phosphorus dissolution, potassium dissolution and plant growth promotion can be achieved, plants can be prevented from being damaged by pathogenic bacteria, the fertility of soil can be effectively improved, and the garden landscape plant cultivation fertilizer is applicable to fertilization of garden landscape plant cultivation.
Owner:MEIZHOU FENGLIN GARDEN CO LTD

Recombinant porcine pseudorabies virus for expressing GP protein of porcine reproductive and respiratory syndrome virus, and application

The invention provides a recombinant porcine pseudorabies virus for expressing GP protein of a porcine reproductive and respiratory syndrome virus, and an application. A PRV virus strain genome is quickly edited through a Crispr/Cas9 gene editing technique and a Cre/lox recombination system, virulence genes gE, gI and TK of the PRV virus strain genome are subjected to fixedpoint deletion, and an antigenic gene of a NADC30-like strain is subjected to fixedpoint insertion at a gG position. According to the recombinant porcine pseudorabies virus for expressing GP protein of a porcine reproductiveand respiratory syndrome virus disclosed by the invention, non-transmembrane regional coding sequences of GP3 protein, GP4 protein, GP5 protein and GP6 protein of an epidemic PRRSV strain PRRSV NADC30-like are selected as antigenic genes for the first time, the kinds of antigens are more comprehensive, and the antigenic genes have higher applicability on current PRRSV epidemic situations, and arebetter in immunoprotection effects. A live vaccine provided by the invention can protect target animals from being invaded by PRV and PRRSV in a more pointed manner, and a powerful tool is provided for preventing and controlling epidemic situations of porcine pseudorabies and porcine reproductive and respiratory syndromes in China.
Owner:WUHAN KEQIAN BIOLOGY CO LTD

Planting method capable of improving yield of fructus amomi

InactiveCN106613226APromote growthHas the effect of sterilizing and repelling insectsBiocideBio-organic fraction processingOrganic fertilizerLand preparation
The invention discloses a planting method capable of improving the yield of fructus amomi and belongs to the technical field of planting. The planting method capable of improving the yield of the fructus amomi comprises the following steps of: selecting a land, carrying out land preparation, applying a base fertilizer, transplanting and managing. According to the planting method disclosed by the invention, Chinese prickly ash trees with florescence which is the same as that of the fructus amomi, and osmanthus fragrans 'Rixianggui' with long florescence and rich flower aroma are planted into the fructus amomi, so that insects are attracted at a flowering period of the fructus amomi to pollinate; meanwhile, fruits of the Chinese prickly ash trees fall onto the ground when the fruits are mature and have sterilizing and insect repelling effects; quick lime is used for extracting effective components of plants with the sterilizing and insect repelling effects and a biological sterilizing and insect repelling solution; the biological sterilizing and insect repelling solution is mixed with an organic fertilizer prepared by mixing an organic fertilizer fermentation solution, so that nutrients are provided for growth of the fructus amomi; bacteria and injurious insects in soil can be inhibited and killed, and roots and fruits of the fructus amomi are effectively protected from invasion of pathogenic bacteria and the injurious insects; the growth of the fructus amomi is promoted and the quality of the fructus amomi fruits is improved.
Owner:罗城仫佬族自治县明亿农业开发农民专业合作社

Method for producing aluminum foil eight-edge-sealed compound vacuum bag

The invention discloses a method for producing an aluminum foil eight-edge-sealed compound vacuum bag and relates to the technical field of packaging bag preparation. The method for producing the aluminum foil eight-edge-sealed compound vacuum bag disclosed by the invention comprises the following steps: preparing an aluminum foil coil, preparing a PET polyester film reel, preparing a PE protective film, shunt winding, thermally covering a PET film, online printing, rewinding, washing aluminum and hollowing, compounding a PE protective film, drying and curing, performing compound qualificationdetection, slitting rewinding, and producing the bag. According to the method disclosed by the invention, by respectively preparing the aluminum foil coil, the PET polyester film reel and the PET protective film, the operation of thermally covering the PET film is performed on the aluminum foil coil by utilizing a hot pressing roller, and the thermally covered PET film is subjected to printing, aluminum washing and hollowing out. By preparing the water-soluble laminated adhesive, the PE protective film is compounded on the aluminum foil coil, and slitting rewinding and bag production can be performed, so that the protectiveness, protective property and shading property of the eight-edge-sealed packaging bag are improved, and the contents are not easy to be affected with damp.
Owner:桐城市万方纸塑包装有限公司
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