96results about How to "Put an end to the possibility" patented technology

The invention discloses a novel coronavirus detection kit. The kit comprises a qRT-PCR reaction liquid, a qRT-PCR enzyme liquid, an internal standard, a negative quality control substance and a positive quality control substance, wherein the internal standard is an RNA pseudovirus containing an internal reference detection gene fragment; the positive quality control substance is an RNA pseudoviruscontaining a target detection gene fragment; and the qRT-PCR reaction liquid comprises four groups of upstream and downstream primers with sequences of SEQ ID NO:1-8 and four probes with sequences ofSEQ ID NO:9-12. The kit can be used to simultaneously detect three sections of target gene fragments, so that missed detection can be effectively avoided. In addition, pseudoviruses are used in boththe internal standard and the positive quality control substance of the kit, so that safety of the kit is effectively improved, and detection accuracy of the kit is further ensured. The kit is high sensitivity and good in stability.

The invention provides a block chain borrowing method and system. The method is applied to multiple borrower terminals in the block chain borrowing system. The method comprises the steps that a loan request is submitted to a block chain system; when a necessary information supplement notification sent by lender terminals or a risk management terminal is received, encrypted necessary information corresponding to the necessary information supplement notification is written into the block chain system, wherein the necessary information supplement notification is generated according to the loan request; multiple credit and loan electronic contract files sent by multiple lender terminals according to the loan request and a signature risk management result respectively are received, wherein thesignature risk management result is generated by the lender terminals or the risk management terminal according to the encrypted necessary information and written into the block chain system after being encrypted; the credit and loan electronic contract files which meet a preset condition are selected for signature, and target credit and loan electronic contract files are obtained. The problem oflow safety of a transaction process and data in the prior art is solved, and the method has the advantage of improving the safety.

The invention discloses a mechanical device for sanitary towel production. The mechanical device for sanitary towel production comprises a toilet paper/dust-free paper covering device, a cotton core cutting device, a cotton core covering device, a heat seal embossing device, a release paper covering and combining device, a forming cutting device, an externally-covering film combining device, a three-folding covering device and a four-section cutting device which are all arranged in sequence according to the technical process, wherein a cast film and non-woven cloth are respectively conveyed to the cotton core covering device through a cast film conveying device and a non-woven cloth conveying device. According to the mechanical device for sanitary towel production, a protective layer is additionally arranged on the front surface of a sanitary towel and the front surface of non-woven cloth making contact with the human body, so that a conduct layer is hardly in contact with the surface of the device and the surfaces of the two hands of a user, the possibility that the bacteria quantity of the sanitary towel is improved in the production and use processes is eradicated, and a consumer can safely use the sanitary towel.

The utility model relates to a USB bus-based, physically isolated gateway with unidirectional optical fibers, through which the low security network data can be transmitted in single direction to the high security network for information security field. For maximal security possible, remove the data response signal channel and use optical fiber with unidirectional repeating instrument to eliminate possible secret leakage in electrical coupling from low security network to high security network. The redundancy and journal statistics are used to realize real-time and regular check and analysis of the system for guaranteed integrality in data transmission; and timely remind clients to handle the errors. The low security network data gathered from the low security gateway computer is transmitted to the gateway data input system through a USB interface, and then transmitted to optical fiber input terminal, and through an optical fiber unidirectional repeater to the gateway data output system. After that, the network data is conveyed to the high security gateway computer through another USB interface and finally to the high security network.

The invention discloses a method for testing the content of benzene and benzene series in a water base adhesive for tobaccos. The method comprises the following steps of: preparing internal standard matrix correction liquid, standard working solution and sample solution; performing static headspace gas chromatography and mass spectrometry analysis; drawing a standard curve, calculating a result and the like. The improved and optimized detection method has the advantages of simplicity and accuracy in operation, high sensitivity, high recycling rate, high repeatability and the like. In the method, fluorobenzene is used as an internal standard for internal standard quantitative detection, so that errors caused by a sample preparation process, different sample injection quantities or different instrument precision and the like can be reduced effectively; and under the adopted chromatographic condition, the separation degree of five target compounds and an internal standard chromatographic peak is high and higher linearity relevance is high; and the detection limit is 0.40 to 0.84mu g/kg, the quantitation limit is 21.32 to 2.79mu g/kg, the marking recovery rate is 95 to 101 percent, and the average relative standard deviation is 0.91 to 2.46 percent.

The invention relates to a multi-functional natural gas and hydrogen mixing gas station and a filling method and aims to provide a multi-functional mixing gas station for hydrogen and natural gas and a filling method to realize real-time and high-precision proportion-adjustable mixing filling of hydrogen and natural gas. A multi-functional high-pressure natural gas and hydrogen gas station system comprises a natural gas supply system, a hydrogen supply system, at least one gas mixing filling machine and a supervisory control and data acquisition (SCADA) system.

The invention discloses a healthy energy-saving water dispenser, which has the aims of health and energy conservation, carries out reconstruction of a water dispenser and design of control logic based on a programmable logic device, is designed for users of households and offices, and adopts various technology to furthest meet the requirements of different users. The water dispenser comprises three water tanks orderly connected in series, pipes connected with the three water tanks, and controllers, wherein the first water tank (1) is a water inlet end and is used for accommodating raw water which is not heated; the second water tank (2) is used for boiling water, directly boils the raw water injected into the water tank during use, cuts off a power supply after the raw water is boiled and waits for next injected water; the third water tank (3) is provided with a water outlet, has the function of heat insulation, is provided with a multi-shift adjustable water temperature controller, is pumped with the boiled water when the water level is not full, and is used for meeting the requirements of users on different water temperatures; a transmission controller for water from a cold water area to a boiled water area is a micro diving pump, and a transmission controller for the water from the boiled water area to a warm water area is an electromagnetic valve; and the controllers automatically control the work of the whole water dispenser.

The invention discloses a prepayment consumption management method and system based on block chain, and a storage medium. The method comprises the steps of storing prepaid recharge paid by a customerinto a bank public supervision account; recording prepaid recharge information and consumption information paid by the customer through the block chain distributed account book; according to prepaid recharge money information and consumption information recorded on the block chain distributed account book, paying to a merchant for payment and settlement by a bank public supervision account; and according to the business information of the merchant, returning the prepaid surplus money to the customer based on a preset intelligent contract. According to the invention, the characteristics of non-tampering, traceability and verifiability of the block chain are utilized; the advance payment does not need to be stored in the merchant, the possibility that the merchant in the prepaid consumptionservice rolls the money and runs out of the way is eradicated, the transfer demand and the refund demand of the advance payment client can be guaranteed, the consumption safety of the client is improved, and the method can be widely applied to the field of the prepaid consumption service.

The invention provides a composition for facial repair. The composition is composed of the following components in percentage by weight: 0.01 to 1% of EGF freeze-dried powder, 0.01 to 5% of SOD, 0.1 to 5% of active peptide, 0.01 to 2% of allantoin, and the balance being water; wherein the active components are all individually buried in liposome or covered by nano microcapsules before the mixing. The active effective components of the composition are individually buried in or covered by transfer vectors. Then the active effective components are transported to the corium layer or shallow corium layer by the transfer vectors to promote the cell metabolism, growth, proliferation, and differentiation, remove the free radicals and harmful substances, and improve the skin problems such as dull and yellow skin color, dryness, wrinkles, skin allergy, and the like.

The invention discloses data storage devices in pluggable electronic components, including secure storage unit, which includes calibration algorithm modules for storing calibration algorithms, and according to the received sample check request, resolve the samples by the checking algorithms, and sending the analysis sample values. Or, the secure storage unit also includes value processing units connected to the calibration algorithm modules to store sample values. It compare the stored values and the analysis sample values, if right, then send the security check pass result, or send the security failed result. The invention also discloses the systems and methods to implement pluggable electronic security components. Through the data memory, system and method in this invention, the pluggable electronic identification can be implemented efficiently, the imitation possibility of pluggable electronic components is eliminated, and the cost to upgrade security is reduced.

The invention discloses a key generation method and system in a switching process. The method includes that a network side uses next hop parameter NH to generate next hop secret key evolved node B (KeNB) in user equipment (UE) switching process; a base station is not informed of the NH generated by the network side; the network side and the UE side respectively use next hop chaining counter (NCC) values informed by a target base station to synchronize with next hop KeNB; and the target base station is informed of the next hop KeNB generated by the network side. The base station can not acquire NH, so that the next hop KeNB can not be generated, the possibility of illegally acquiring next hop KeNB is reduced, and the forward security is guaranteed. By means of the method and the system, the safety of a communication system is greatly improved.

The invention discloses a method for determining volatile organic compounds in polyvinyl acetate type water-based adhesive. The method is applicable to determination of over twenty types of volatile organic compounds simultaneously, and includes steps of respectively preparing matrix calibrating solution, standard working solution and sample solution; analyzing the prepared standard working solution and sample solution by a static headspace gas gas chromatography mass spectrometer; and quantitatively analyzing contents of the volatile organic compounds in the polyvinyl acetate type water-based adhesive. The method has the advantages that detection cost and time are reduced greatly, the gap in the volatile organic compounds in the polyvinyl acetate type water-based adhesive is filled, experimental error caused in the prior art can be overcome well owning to a sample preparation manner, and the improved method is easy to operate, accurate, high in flexibility and recovery rate, good in repeatability and the like.

The invention discloses a tail gas purifier and a metal fiber carrier fastening element and a fastening method thereof. The metal fiber carrier fastening element for fastening a metal fiber carrier made of metal fiber screen mesh in a coiling way; the metal fiber carrier fastening element comprises a fastening part and a locking part which are fixedly connected into an integral structure; the fastening part is provided with a dual-screw structure matched with meshes in the metal fiber screen mesh; and the size of the locking part is greater than that of the meshes. According to the technical scheme, a unique dual-screw structure is adopted for fixing, adverse effects generated by the fracture of metal screen meshes are prevented completely, and the possibility of metal fiber carrier layering is eradicated radically, thus the metal fiber carrier is homogeneous and complete, meanwhile, the catalytic and purification efficiency of the metal fiber carrier is intensified greatly, the through performance of the metal fiber carrier is ensured, and the purification capability of the metal fiber carrier is improved.

The invention discloses a belt drive wheel system for engine accessory in BSG system, which comprises a belt, a crankshaft pulley, a starting/generator and a tension pulley. The invention is characterized in that: a tension pulley is also provided; two tension pulleys are positioned at two ends of the starting/generator in dissymmetry. The tension pulley is configured as a mechanical tension pulley. Because the drive wheel system adopts the special layout of two mechanical tension pulleys in dissymmetry, the invention does not only realize the possibility of driving big power motor but also reduce the tension and vibration in the system. Therefore, with feasible tension of belt, reliable working, long service life and low cost, this invention can be best applied for the belt drive wheel system for engine accessory in BSG system.

The invention discloses equipment and a method for authenticating block chain data by utilizing space-time information. The equipment comprises a space-time block chain terminal, a space-time coding module, a block chain module and a server, according to the invention, it is ensured that only if the data generated in the specified time of the specified position is correct and effective, the data can be uploaded to the block chain system; the possibility that a counterfeit terminal transmits data to the block chain system is avoided; the possibility that fake satellite positioning data generates space-time codes and a space-time block chain label transmits data to a block chain system is avoided, so that the data source transmitted to the block chain is reliable; the time of the equipment is difficult to tamper; a block chain intelligent contract is adopted, the characteristic that the block chain intelligent contract cannot be tampered is achieved, distributed storage is achieved, andit is guaranteed that the system can still operate normally even if part of server node data is lost or damaged.

A composition for chemical soil improvement includes a synthetic fluid or base oil, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof.

The invention provides a composition for face moistening. The composition comprises the following components in percentage by mass: 0.01-5 percent of hyaluronic acid, 0.01-5 percent of hydrolyzed collagen, 0.01-5 percent of NFM, 0.1-10 percent of squalene, 0.5-5 percent of glycerinum, 0.01-5 percent of vitamin E and the balance of water, wherein hyaluronic acid, hydrolyzed collagen, NFM and vitamin E are independently embedded with liposome or coated with nano-microcapsules before being mixed. The activated effective components of the composition are independently coated or embedded with transporters, pass through the horny layer by virtue of transportation of the transports and are delivered to the corium layer or the superficial corium layer, so that skin is nourished, skin moisture is prevented from vaporizing, the micro-circulation is improved, and the skin moisture degree is strengthened.

The invention relates to a cutter knife (8), a cutter head disk (1) and a system including the inventive cutter head disk and the inventive knife, wherein the cutter knife includes a longitudinal bore enabling only one cutter knife to be arranged on the cutter head disk, the longitudinal bore thereof being compatible with the pin. The scaling on the longitudinal bore makes it possible to verify the position of the cutter knife in relation to the cutter head disk.

The invention discloses a safe recovery system for converter flue gas waste heat. The safe recovery system comprises a waste heat boiler, a centrifugal force dust removal device, a flue gas uniform flow waste heat recovery device and a fine dust removal device; an inlet of the waste heat boiler communicates with a flue gas outlet of a converter; an outlet of the waste heat boiler communicates with a gas inlet of the centrifugal force dust removal device; a gas outlet of the centrifugal force dust removal device communicates with an inlet of the uniform flow waste heat recovery device; an outlet of the uniform flow waste heat recovery device communicates with an inlet of the fine dust removal device; and a plurality of swirlers are arranged in the waste heat boiler. The invention further discloses a safe recovery method for the converter flue gas waste heat. The system and the method have the beneficial effects that the swirlers break boundary layers of flue gas flows in the waste heat boiler, enhance disturbance and mixing of the gas flows and promote rapid mixing of CO in flue gas and O2 in the air sucked by a furnace opening so that the CO in the flue gas can be subjected to complete combustion reaction above the spontaneous ignition point of the CO, mixed gas discharged out from the waste heat boiler is outside the explosion limit range, and therefore the possibility of explosion of the flue gas in the subsequent treatment process can be greatly reduced.

The present invention relates to the technical field of building materials, particularly to a polymerization polystyrene plate and a preparation method thereof. According to the polymerization polystyrene plate, 20-50 kg of an inorganic fireproof material and 0.4-5 kg of a curing agent are injected into an expanded polystyrene plate with a unit volume of one cubic meter. The preparation method comprises: 1, uniformly stirring an inorganic fireproof material and a curing agent in the claim 1 at a speed of 800-1000 r/min so as to be adopted as a mixture; 2, injecting the mixture into an expanded polystyrene plate; and 3, conveying the expanded polystyrene plate injected with the mixture into a laminating machine to mold, wherein the molding temperature is 35-70 DEG C, and the time is 4-15 min. According to the present invention, when contacting fire, the polymerization polystyrene plate does not shrink, does not produce droplets, does not burn, does not produce smoke and is not be penetrated by flames; and the polymerization polystyrene plate further has characteristics of good thermal insulation property, low thermal conductivity and no influence on thermal insulation effect after long term use, and can be provided for reducing even eliminating occurrence of fire disasters similar to the Shanghai 2010 11.15 disastrous fire from the source head so as to protect life and property safety of the majority of the public.

The invention relates to the technical field of information, in particular to an insurance claim settlement system based on a block chain, which comprises an archive subsystem and a claim settlement service subsystem, and is characterized in that the claim settlement service subsystem comprises an acceptance subsystem, an association subsystem and a claim settlement subsystem; an archive subsystem collects business archives of a service subject, extracts evidence storage hash values of the business archives and extracts hash values of identifiers of a served subject, if a consistent identification code exists, the business archives are encrypted and then uploaded to a block chain, and an association subsystem polls the block chain and decrypts to obtain all the business archives, and after a preset duration, the association subsystem sends the business archives to the service subject. And the claim settlement subsystem obtains the total amount of claim settlement of the insurance subject according to all the business archives associated with the claim settlement task, and completes the claim settlement task. The method has the substantive effects that the authenticity of the business archive is ensured, and the safety of the business archive is favorably improved.