1601results about How to "Guaranteed freshness" patented technology

The present invention provides a bi-direction authentication method and system which belongs to the field of network communication. The present invention aims at solving the problems that certificate management in present private key authority technology is complex and the certificate management can not protect the identity of the users. The present invention provides a bi-direction authority method. The present invention includes the procedures of the system initialization and generating system parameters, an applicant initializing a dialogue request to establish connection with an authorization server, the applicant and the authorization server mutually check identity and generate a pair of main key which is used for the four-procedure-hand-shaking. The present invention also provides a bi-direction authorization system. The system includes a parameter initialization module, an establishing dialogue connecting module, a server identity verification module and an applicant identify verification. Applications of the technical proposal of the present invention can reduce the establishing and maintenance cost of the system, to enhance the running efficiency of the system, and to realize the target of protecting applicants.

A character input system comprises input interface unit, information conversion unit, display-output unit, and system lexicon and cell word set. It is featured as using said lexicon to record basic word and relevant information, using cell word set to record expansion word and relevant information, obtaining said cell word set from one of multiple cell word lexicon stored at server end and setting words in each cell word lexicon to have common attribute.

In the presnet invention, a humidity vefrigerating circulation system is added and correspondingly a humidity control device is added in control system, the system consists of humidifier, dehumification evaporator, cooling storage device and fan, the device can be used either of increasing humidity or dehumidifying to supplement or remove humidity in chamber, it can be used in multiple refrigerating loop with one compressor or with double compressor which can be normal mode or can be frequency conversion mode.

The invention provides a refrigerator which comprises a refrigerator main body provided with a storage chamber, a door for opening and closing the storage chamber, and a door opening detection system, wherein the door opening detection system comprises a door state detection unit, a user detection unit and a door closing judgment unit; the door state detection unit is used for detecting whether the door of the storage chamber is in an open state or not; the user detection unit is used for detecting whether a user exists beside the refrigerator; the door closing judgment unit is used for judging whether the door of the storage chamber is needed to be closed or not according to the detection results of the door state detection unit and the user detection unit. Compared with the prior art, the refrigerator is provided with the door opening detection system; the door opening detection system is used for judging whether the door of the refrigerator is needed to be closed or not according to the opening / closing state of the door of the refrigerator and a condition of whether the user exists beside the refrigerator, so that the door can be closed in time, and therefore, not only can the refreshing effect of the refrigerator be ensured, but also the energy consumption of the refrigerator can be reduced.

A refrigerator is disclosed. The refrigerator includes a main body which has a cooling chamber and a freezing chamber, a storage chamber (12) which is provided in the cooling chamber to store foodstuffs, an irradiation device (30) which irradiates light within a visible light region correspondingly to color of the foodstuffs stored in the storage chamber (12), an optical deodorization module (40) which includes an ultraviolet light irradiation device (41) which is mounted to the storage chamber (12) to irradiate ultraviolet light and a photocatalyst filter (43) which receives the ultraviolet light from the ultraviolet light irradiation device (41) and is coated with a photocatalyst agent, and a control unit which controls the irradiation device (30) and the ultraviolet light irradiation device (41).

The invention discloses a method and a system for preparing restaurant-kitchen wastes into a livestock and poultry feed, wherein the method comprises the following steps: carrying out sorting preprocessing on restaurant-kitchen wastes so as to obtain biodegradable restaurant-kitchen wastes; carrying out solid-liquid separation on the obtained biodegradable restaurant-kitchen wastes; adding bran, corn flour and coarse meal into the obtained product so as to obtain a mixed material; adding composite fungicides into the mixed material according to the inoculum concentration (8-20 wt%) so as to ferment the mixed material; and finally, drying and cooling the fermented mixture, then packing the obtained object so as to obtain a livestock and poultry feed product. The system comprises a feed device, a wet sorting machine, a pressafiner, an agitated mixer, a fermentation tank, a low-temperature drying machine, a crusher and a finished product material storage tank which are sequentially connected; and the system has the advantages that the growth of putrefying bacterias and the reproduction of pathogenic microorganisms in restaurant-kitchen wastes can be inhibited, and the freshness retaining effect and organoleptic quality of the livestock and poultry feed are good; meanwhile, the protein content of the livestock and poultry feed can be improved; in addition, the system is low in used equipment cost, small in energy consumption, high in production efficiency and beneficial to environmental protection.

The invention relates to an antibacterial deoxidizing double-effect food preservative, which is formed by combining a deoxidizer component with a bacteriostat component, wherein the deoxidizer component accounts for 60-90 percent, and the bacteriostat component accounts for 10-40 percent. The bacteriostat component comprises an adsorption carrier and an antibacterial solution. The adsorption carrier comprises salep, silicon dioxide, vermiculite, diatomaceous earth, zeolite, bentonite, fiber, etc. The antibacterial solution comprises one of or the composite mixture of edible alcohol and propylene glycol. Antibacterial synergist comprises allyl isothiocyanate, allicin, cinnamic aldehyde, cinnamic acid, carvacrol, eugenol, thymol, citral, etc. The antistaling agent integrates double protection functions of absorbing oxygen, sterilizing and inhibiting bacteria, which is remarkable in preservation effect and wide in application range.

The invention relates to the technical field of food refreshment, and provides a fresh food distribution terminal refreshment system and a work method thereof. A refreshment scheme of a fresh food distribution terminal, the refreshment system of the refreshment scheme and the work method of the refreshment system are provided. According to the refreshment scheme of fresh food, the fresh food involved in fresh food distribution business is classified according to appropriate storage conditions, and for each type of fresh food, the best storage condition is arranged by integrating refreshment modes of lower temperature, low pressure, air regulation and sterilization. The fresh food distribution terminal refreshment system achieving the refreshment scheme comprises a storage system, a man-machine interactive system, a cooling system, an air regulating and controlling system, a sterilizing system and a control system, the fresh food distribution terminal refreshment system can conduct accurate refreshment on the fresh food in the preset work method according to the refreshment scheme, and safety and freshness of the fresh food at the distribution terminal are guaranteed. Meanwhile, the fresh food distribution terminal refreshment system is convenient to operate. The fresh food distribution terminal refreshment system can prompt ordering of the fresh food and development of the distribution business.

The invention relates to a computer assistant reporting and knowledge-base generation method including the following steps: a server system receives requests of information search from users and searches all structured and unstructured web pages and websites matching the search requirements of users on the internet and a third-party database and also feeds the search results back to a client digital terminal system after classification, de-emphasis and compilation while matching the third-party database; the server system records the search behavior of a user and detects the updating of information resource and catches and classifies the updated information in real time so as to remind the user of the updating of the information resource when the user goes on line; the user selects the required information from the search results and collects the information into the system and the knowledge mining method is adopted to generate reports and derive files. The invention has the beneficial effects that the efficiency of searching, collecting and classifying the information is enhanced for the user, and the unstructured information can be converted into structured information and the semantic relevance between information can be preserved by human-computer interaction.

An embodiment of the invention discloses a method and a system for auditing Merkle Hash tree cloud data integrity. According to the method and the system, the utilization rate of a node is increased by storing data block information on the node; length of an authentication path is reduced by adopting a local authoritative root node, and computation cost of a third-party auditing side and a user side is reduced; all that is needed for the third-party auditing side is to calculate a Hash value of the local authoritative root node according to a Hash value of a node in a possession certificate returned by a cloud storage server and sign the Hash value of the local authoritative root node with a secrete key to obtain local authoritative root node signature, the third-party auditing side can compare and verify the obtained local authoritative root node signature with local authoritative root node signature returned by the cloud storage server, calculation for obtaining unique root node signature for integrity verification is not required, so that integrity auditing efficiency of the third-party auditing side and the user side is greatly improved, and freshness of node information is maintained by adding vision ID to the node.

The invention provides a method for authenticating identification among peer-to-peer nodes in a P2P network. Each peer-to-peer node in the P2P network has a certificate which is acquired when a user node logs on the network through a certificate server, and the certificate comprises an encryption result of a private key of the certificate server to a public key of the user node. The method comprises the following steps: a first user node transmits an identification authentication message to a second user node in the network, wherein the identification authentication message comprises a certificate of the first user node and the public key of the first user node; a second user node authenticates identification of the first user node by the identification authentication message, after authentication succeeds, the identification authentication message is returned to the first user node, wherein the identification authentication message comprises a certificate of the second user node and the public key of the second user node; and the first user node authenticates the identification of the second user node by the identification authentication message returned by the second user node, and if the authentication succeeds, identification authentication between two user nodes succeeds.

The invention discloses a health-care compound feed for prawns and a production method thereof. The invention aims to provide a health-care compound feed for prawns, which can improve immunity in the prawns, utilization rate of feed and water quality, and a production method thereof. The formula of the raw material comprises the following components in part by weigh: 1 to 6 parts of imported white fish meal, 20 to 25 parts of steamed fish meal imported from Taiwan, 2 to 8 parts of steamed fish meal made in China, 18 to 22 parts of high-gluten wheat flour, 15 to 22 parts of peeled soybean pulp, 8 to 15 parts of peanut cakes, 2 to 6 parts of defatted shrimp meal, 1 to 3 parts of beer yeast cream, 1 to 3 parts of soyabean lecithin oil, 0.5 to 2 parts of refined fish oil, 0.5 to 2 parts of monocalcium phosphate and 1 to 4 parts of additive premix. The production method comprises: crushing, primary material mixing, secondary material mixing, hardening and tempering, granulating, braising, aging, drying, cooking, sieving and packaging. The invention can improve the breeding yield of pawns, reduce discharge pollution, improve water environment and the like.

The invention discloses an air conditioner and fan linkage system and a control method. The air conditioner and fan linkage system comprises a fan and an air conditioner. An outdoor temperature sensor, an indoor temperature sensor and an air conditioner controller are arranged on the air conditioner. A fan controller is arranged on the fan. The signal output ends of the outdoor temperature sensor and the indoor temperature sensor are connected with the signal input end of the air conditioner controller. The air conditioner controller is connected with the fan controller. The fan and the air conditioner are separately installed. The startup and the shutdown of the fan are controlled through the air conditioner. The air conditioner can dynamically detect indoor temperature and outdoor temperature and can start up or shut down the fan according to difference between the indoor temperature and the outdoor temperature and the set indoor target temperature. The air conditioner additionally can set and control functions of the fan such as ventilation, startup and shutdown at a fixed period, can fully utilize outdoor cold and heat sources to decrease or increase the indoor temperature and can improve freshness and comfort of indoor air. Therefore, the air conditioner and fan linkage system has the advantages of energy saving, environmental friendliness, high economy and high practicability.

This invention relates to common key identification acquiring and test method, which comprises the following steps: forming and sending identification and index demands; forming and sending compound identification demands; forming and sending compound identification status responding; transferring identification status for interface test for user device testing. This invention adopts user identification catch method through interface to provide user or user device for common interface point.

The invention relates to a traffic information management server managing the provision of traffic information to a plurality of navigation terminals and a navigation terminal. In accordance with a request message of the traffic information at the navigation terminal, the traffic information management server extracts the traffic information including the location ID of a moving object at the path, the traffic information and reliability corresponding to the location ID from a traffic information database, then generates traffic news and sends the traffic news to the navigation terminal. The traffic information management server also updates the reliability corresponding to the location ID in the traffic information database according to the traffic feedback information at the navigation terminal. The invention relates to a traffic information management method and a navigation method. According to the invention, the navigation terminal can send feedback information to the traffic information management server to test the reliability of the traffic information. Based on the above traffic information management server and methods thereof, the electronic map quality of the navigation terminal can be improved and the cost of the navigation information services can be reduced.

The invention discloses a public sentiment data real-time collecting method and system based on distribution. The method comprises the following steps that firstly, a public sentiment data website class library is established, and crawling data items are classified and defined; secondly, a data acquisition website list is transmitted to a data collection server, the server allocates corresponding crawlers to circularly crawl data in a dormant mode; thirdly, crawled source webpage data is subjected to label analysis, the position of a target data item is positioned, and the target data item is obtained; fourthly, an obtained result data item is encapsulated into a uniform format of a corresponding class; fifthly, the encapsulated data is stored into a corresponding database; sixthly, a monitoring log file is generated. According to the public sentiment data real-time collecting method and system based on distribution, the architecture is advanced, a factory mode is used as a main design mode of the system, new examples can be quickly generated, system core functions such as browser assess, log generating, data encapsulation, agent setting and queue setting are encapsulated, the expandability and transportability of the system are enhanced, and the reusability of codes and the maintainability of the system are improved.

The invention provides a vehicle-mounted network message authentication protocol. A vehicle-mounted ad-hoc network comprises a trusted authentication center, a vehicle-mounted unit and roadside units, the message authentication protocol uses a threshold proxy re-signature algorithm to protect vehicle privacy information, the signature of a message by a vehicle-mounted communication unit is converted into the signature of the same message by an authentication center, thereby reducing the risk that the signature tracks the vehicle-mounted unit and realizing the anonymity of communication messages. Re-signature keys are dispersed to a plurality of roadside communication units in a threshold mode for management, thereby reducing the decoding success rate of the re-signature keys and preventing the roadside communication units from abusing the proxy signature right. The authentication center traces a real vehicle releasing a false message to solve the problem of calling back illegal vehicles. The protocol has relatively high security and a relatively low storage cost, has unforgeability, robustness, message authentication, replay attack resistance and traceability, and can greatly improve the privacy of network member information.

The invention discloses a compound raspberry wine brewing method. The compound raspberry wine brewing method comprises the following steps: mixing obtained raspberries, mulberries, blackcurrants, and medlar in a weight ratio of 16: 2: 1: 1; freezing and breaking; thawing; adjusting the sugar degree; carrying out primary fermentation; carrying out solid-liquid separation; carrying out post-fermentation; storing; clarifying; carrying out freezing treatment; blending; filling. The compound raspberry wine brewing method has the advantages that the raspberries, the mulberries, the blackcurrants and the medlar are mixed in proportions and then are subjected to compound fermentation, the chemical acid adjustment is not needed, and the acidity is adjusted by mixing the raspberries, the mulberries, the blackcurrants and the medlar in proportions so as to facilitate the maintenance of nutritional ingredients in the raspberries, the mulberries, the blackcurrants and the medlar and biological functions such as oxidation resistance and adjustment of the immunity of the organism and ensure that raspberry wine has full-bodied fruity taste and unique flavor.

The invention discloses a method and a device for updating map data, a navigation system and a server. The method comprises: extracting road information with construction attribute identifier from an electronic map, establishing a construction road database; querying and analyzing wheel paths on construction roads; according to analysis on the wheel paths and information of the construction roads, determining whether the construction road achieves a construction dissolving condition, and when the construction road achieves a construction dissolving condition is determined, correspondingly correcting road information in the electronic map, removing the construction attribute identifier on the construction roads, and marking the related roads as conducted and passable. The method and the device realize removing of construction attribute identifiers through big data analysis, on-site acquisition by an acquisition team is not needed, so manual operation cost is reduced. Through a communication network, the data is updated to user terminals in time, so as to ensure freshness of an electronic map.

The invention discloses a shell meat separation method for a shellfish product. The method comprises the steps of arranging a shellfish product on a clamping device; driving a turntable to rotate through a driving device, so that the clamping device sequentially passes through a cutting device, a lower shell meat cutting device, an upper shell meat cutting device and a meat taking and shell removing device; and sequentially processing the shell product to finish the shell and meat separation. The separation method is high in working efficiency, the shell and meat can be completely separated from each other, no hazardous substance is required to be added in the separation process, and freshness of the shell meat can be guaranteed.

The invention provides an intelligent integrated machine for intactly picking and grading table grapes and a control method thereof. The intelligent integrated machine comprises a three-dimensional motion platform, a picking point positioning system, a picking system and a grading and subpackaging system. The three-dimensional motion platform comprises a walking motor controller, a position sensor and the like; the picking point positioning system is composed of a grading image detecting camera, system software and a data transmission module; the picking system is a top end structure of the three-dimensional motion platform and is composed of an infrared geminate transistor set, a picking cutter, a net bag and a rotary buffering plate; the grading and subpackaging system is composed of a conveying belt front lifting device, a conveying crawler belt, a conveying belt driving motor, a grading image detection camera and a controllable rotary box. The grape pickup integrated machine improves grape pickup efficiency and grading accuracy, reduces secondary damage to the grapes, ensures freshness and has wide market popularization prospects.

The invention discloses a piglet feeding device. The piglet feeding device comprises a support, a control box, a hopper and a feeding trough. The control box, the hopper and the feeding trough are sequentially fixed to the support from top to bottom. A packing auger is connected to the bottom of the control box. The packing auger penetrates through the hopper and the bottom of the packing auger extends into a stirring chest of the feeding trough. A water supply system is fixed inside the control box. The water supply system is connected with a water delivery pipe fixed to one side of the support. The bottom end of the water delivery pipe is connected with a water nozzle fixed to the bottom of the feeding trough. The top end of the water nozzle extends into the stirring chest. The piglet feeding device has the advantages that the piglet feeding device is simple in structure and convenient to operate; water is supplied automatically when feed is discharged automatically; meanwhile, the water and the crushed feed are fully mixed through the packing auger, so that the shortcoming that feed temperature, freshness, feeding time and the like can not be controlled in an existing device is overcome, manual control is not needed for the whole operation process, manpower and material resources are saved, the feed is made the best of, waste of the feed is reduced, the freshness of the feed is maintained, and the taste of the feed is improved.

The invention relates to a freshness-keeping and water-retaining agent for prawns, belonging to the technical field of processing of aquatic products processing. The freshness-keeping and water-retaining agent is prepared from the following ingredients in percentage by weight: 5-10% of water-soluble chitosan, 10-20% of carboxymethyl chitosan, 10-20% of mycose, 5-10% of an antioxidant, 10-20% of konjac polysaccharide degradation product, and the balance of dextrin. For the freshness-keeping and water-retaining agent, konjac polysaccharide with strong hygroscopic property is degraded into oligosaccharide, which serves as a main auxiliary material of the water-retaining agent, the water-soluble chitosan is taken as a main auxiliary material for a bacteriostatic agent, and the carboxymethyl chitosan is taken as a film-forming agent, so as to prepare the freshness-keeping and water-retaining agent for prawns. After the freshness-keeping and water-retaining agent for prawns is applied to prawn processing, the freshness-keeping time of the prawns can be prolonged, blackening of the prawns is prevented, during refrigeration storage process of the prawns, water can be kept, and loss caused by drying loss is prevented. A processing technology of the freshness-keeping and water-retaining agent is simple, and easy to operate, and expected use effect can be achieved.

The invention discloses a vertical wall attaching jet air lake mode ventilation system, which comprises a blast pipe (4) and an exhaust duct (11); wherein, an air supply port (6) is arranged close to side wall at the top part of a room; the distance of the air supply port (6) from the side wall is designed into: the ratio between vertical distance of the center of the air supply port (6) from the side wall and the width of the air supply port (6) is 0 to 15. The vertical wall attaching jet air lake mode ventilation system has the advantages of facilitating body health due to being close to the air supply environment, easily arranging the ventilation system in the building space and not occupying building space at the lower part (working area).

The invention discloses a preservative for grass carp fillets and a use method, belonging to the technical field of aquatic product freshness retaining and processing. The preservative is a mixed aqueous solution comprising the following components in concentration by mass-volume percent: 1.3-1.7 percent of chitosan, 0.9-1.1 percent of acetic acid and 0.4-0.6 percent of tea polyphenol. The use method of the preservative comprises the following steps of: soaking grass carp fillets in the preservative for 2-3min, taking out and trickling for 1min and then drying the grass carp fillets at 4 DEG C so as to form a thin freshness retaining film; then putting the grass carp fillets coated with the thin freshness retaining film into a freshness retaining bag and tying the opening of the bag; and storing the grass carp fillets in a refrigerator at 4 DEG C. Compared with an ordinary refrigeration method, the preservative can better keep the freshness, the water and the flavor of the grass carp fillets and prolong the shelf life of the grass carp fillets for 8-10 days; the operation process of coating the film is simple; and the preservative has high cost performance, wherein the cost of per ton of preservatives for the grass carp fillets is lower than 90 yuan.

The invention relates to an RFID (radio frequency identification) mutual authentication protocol method, which comprises the following three stages: a tag identification stage, a mutual authentication stage and an update stage, wherein at the tag identification stage, a reader sends a request to a tag, and the tag returns an identification section (IDS) to the reader after receiving the request; at the mutual authentication stage, after the IDS is identified by the reader, an exclusive-or operation related to a digital synthetic operation is conducted to obtain A and B, A and B are sent to the tag, after the reader is identified by the tag through received A||B, related calculation is conducted to obtain C, C is sent to the reader, and the tag is identified by the reader; and at the update stage, after C is successfully identified by the reader, IDS and secret keys (K1 and K2) in C are updated, then D and E are calculated and sent to the tag, and after E is successfully identified by the tag, IDS and secret keys of E are updated. Only the simple digital synthetic or exclusive-or operation exists in the RFID mutual authentication protocol method. Therefore, the RFID mutual authentication protocol method has the beneficial effects that the calculation amount and storage space of the tag can be effectively reduced, various attacks such as impersonation, retransmission, tracking and denial of service can be resisted, and forward security is provided.

The present invention discloses a fruit juice extraction method, in the concrete, it relates to a freeze-juicing method of chayote, belonging to the field of food processing technology. Said method includes the following steps: firstly, freezing chayote fruit, after the chayote fruit is completely frozen, defreezing, crushing the defrozen chayote fruit and extracting its juice, adding the water into the fruit dregs to make secondary juice extraction, combining two juices so as to obtain the invented chayote fruit juice.

This invention relates to a kind of individual air-supplying adjustment method, which belongs to air conditioning field. When user is not satisfy with the comfortableness of the environment surrounding air conditioner, he / she can adjust or turn the mechanism on air-supplying device of air conditioner to reduce the air-quantity supplying to himself / herself. He / she can meet the comfortable need through changing microenvironment parameters. The total air-quantity supplied from the end device keeps constant or decreases in order to ensure the freshness of indoor air. The air-quantity operation does not consume electric energy. It does not generate noises too. This invention is fit for the air conditioner situations of close range air supplying, high comfortableness need and different comfortableness needs.

The invention relates to a fibre reinforced composite anti-eccentric coiled rod and a preparation device thereof. The technical scheme adopted by the invention is as follows: one or more sections of the external surface of a fibre-reinforced resin matrix composite rod body is coated with a thermoplastic wear layer; the rod body is made of one of fibreglass, carbon fibre and basalt fibre; and a resin matrix is one of epoxy resin, urethane resin and vinyl ester resin. A plastic extruder and a cooling device are arranged between a draw gear and a winding device, the plastic extruder is used for coating one thermoplastic wear layer on one or more sections of the surface of a molded sucker rod, and then the cooling device is used for performing cooling treatment, so that the fibre reinforced composite anti-eccentric coiled rod is formed. The invention has the following beneficial effects: the coiled rod has excellent anticorrosion and anti-eccentric performances; the quantity of joints is greatly reduced; the breakage probability and the piston effect are reduced; and in addition, the production efficiency is high, and the operation is simple and convenient.