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90results about How to "Avoid injustice" patented technology

Modifiable reputation evaluation system and method based on block chain, and electronic payment system

ActiveCN107967557AAvoid injusticeGuaranteed transaction privacyFinanceDigital data protectionRing signatureE-commerce
The invention belongs to the e-commerce technology field and discloses a modifiable reputation evaluation system and method based on a block chain, and an electronic payment system. A receipt from a seller is received by a user, the signature of the seller in the receipt is verified, and the evaluation information is generated; after verification is completed, a ring signature of the evaluation information is generated by the user, and the ring signature is sent to the block chain; the receipt and the ring signature of the user are verified by the block chain; a database is updated after the block is generated; a new signature is acquired by the user through a signature algorithm, and the new signature is sent to the block chain; validity of the signature is verified by the block chain, and whether the two signatures are completed by the same user is determined; a pointer corresponding to the block of a previous message is modified after verification completion, the previous message ismarked as invalid, and the previously-revoked information is replaced by the block of the message. The method is advantaged in that on the condition that user anonymity and transaction non-tamperability are guaranteed, integrity and openness of the evaluation information are guaranteed, and reliability of the evaluation information is guaranteed.
Owner:XIDIAN UNIV

WiFi-based intelligent electronic name card system and operation method

The invention relates to technologies of intelligent electronic name cards and specifically relates to a WiFi-based intelligent electronic name card system and an operation method. The intelligent electronic name card system comprises an upper computer management system, an electronic name card terminal system and a loudspeaker system, wherein the upper computer management system, the electronic name card terminal system and the loudspeaker system are connected in a wireless manner; the upper computer management system is used for intelligent ranking, electronic name card display, voting management, microphone management, system setting and WiFi communication; the electronic name card terminal system is used for the electronic name card display, voting input, microphone input and the WiFi communication; and the loudspeaker system is used receive digital voice signals and convert the signals into analog signal amplified output and the WiFi communication. The intelligent electronic name card system can cope with emergencies, is highly flexible and saves a lot of human resources; additional microphones do not need to be installed, and a voting function avoids injustice brought by manual vote statistics; and a wireless communication manner is used, so complicated equipment and wiring are avoided, so a meeting place becomes concise and efficient.
Owner:HUBEI UNIV OF ARTS & SCI

Continuous paving construction technology of cement concrete bridge floor and steel bridge floor

The invention relates to a continuous paving construction technology of a cement concrete bridge floor and a steel bridge floor, which is applied to the technical field of constructional engineering. The continuous paving construction technology of the cement concrete bridge floor and the steel bridge floor concretely comprises the following specific steps: carrying out preparatory work before construction, namely, preparing the bridge floors and carrying out bonding oil construction, wherein the bridge floors are cleaned until no loose stone, dust and impurities exist before asphalt mixtures are paved, and an asphalt disperser is used for spraying the bonding oil, so that the paving operation can be implemented continuously; carrying out construction layout and height resurvey, namely, carrying out comprehensive resurvey on the indexes such as lengths, widths, heights, cross slopes and flatness of the bridge floors by survey crew at the early period; detecting the flatness of the bridge floors by a vehicle laser pavement roughness detector, and recording the results; staking out in survey. According to the technology, the whole paving process is continuous, and the demands on paving works of different types of asphalt mixtures of the cement concrete bridge floor and the steel bridge floor can be met at the same time; after the technology is adopted, the problem of uneven pavement caused by the sectional operation in the paving process can be avoided, and the engineering cost is lowered.
Owner:SHENYANG CHONGZHENG ROAD & BRIDGE ENG CO LTD

Method for measuring transmission rate of liquid adherent boundary layer under effect of external electric field

The invention discloses a method for measuring the transmission rate of a liquid adherent boundary layer under the effect of an external electric field. The method comprises the steps that an adherent boundary layer area of liquid is determined according to intensity of the electric field and the liquid thickness in the direction of incident rays, and the incident position of the incident rays on a sample groove is determined according to the adherent boundary layer area; incident light intensity of the incident rays and first transmission light intensity after the incident rays penetrate through the empty sample groove are obtained, and light absorbing intensity of the empty sample groove is determined according to the incident light intensity and the first transmission light intensity; incident light intensity of the incident rays and second transmission light intensity after the incident rays penetrate through the sample groove containing liquid to be measured are obtained; based on the incident light intensity, the light absorbing intensity of the empty sample groove and the second transmission light intensity, the transmission rate of the liquid to be measured is determined. The method can achieve the effect of measuring the transmission rate in the electrorheological fluid/ionic liquid boundary layer under the effect of the external electric field.
Owner:黑龙江省工研院资产经营管理有限公司

Prefabricated inspection well and road construction method involving inspection well

The invention relates to an inspection well, in particular to a prefabricated inspection well and a road construction method involving the inspection well. The road construction method involving the inspection well includes the following steps of (1) arranging a base with an opening, (2) installing a bottom cover on the base, wherein the position of the bottom cover can be determined, (3) normally laying a road bed and a road surface on the bottom cover, (4) prefabricating the inspection well, (5) determining the position of the bottom cover, (6) smoothly cutting the road surface until the bottom cover is exposed and taking out the bottom cover, (7) placing the prefabricated inspection well, and (8) wholly or partially replacing, maintaining and recycling the prefabricated inspection well. The road construction method has the advantages that labor and road manufacturing cost are effectively reduced, road on-site construction time is shortened, the situation that the road surface is uneven due to uneven sediment of the surrounding of the inspection well is effectively avoided, flatness of the road surface is improved, road construction quality is improved, maintenance time of the inspection well is substantially shortened, and the inspection well can be recycled.
Owner:于有为

Assembled external wall structure and construction method

The invention relates to an assembled external wall structure and construction method. The external wall structure comprises a vertical keel, a transverse keel, a holding-plate element, a supporting plate, an external wall plate unit, a water-conducting strip and a sealing joint strip. The vertical keel is arranged on the building main body and the transverse keel is connected with the vertical keel. The holding-plate element is adjustably arranged at the transverse keel and the transverse supporting plate is arranged at the holding-plate element. The external wall plate unit is sandwiched between the supporting plates. The vertical joint between the external wall plate units corresponds to the vertical keel. The water-conducting strip is arranged at the vertical joint and the water-conducting strip is sleeved on the vertical keel. The sealing joint strip is blocked at the outer end of the water-conducting strip. The assembled external wall structure sets up two waterproof devices which prevents outdoor rainwater leakage by utilizing the blocking and discharging method in the slab joint, namely the water-conducting strip and the sealing joint strip. When the aging of the sealing joint strip happens because of the longstanding utilization of the sealing joint strip, the rainwater can be derived by the water-conducting strip arranged in the slab joint and not be let in the room, which has a good waterproof effect.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

A number queuing verifying method and system

ActiveCN107358711AEasy to divertRealize remote drawing number queuingChecking apparatusValidation methodsTrusted client
A remote number-drawing queuing verifying method and system are disclosed. According to the method, a user draws a number in a remote manner and receives verification information; the verification information is checked by a verifier after the user shows up; when a vacant seat occurs, queuing time is calculated according to number-drawing time and verification time, queuing numbers for top records are generated and number calling is performed; and a user shows a received queuing number to a seat or a seat client receives user identity information to determine the user identity. The system includes a server, a user client, the verifier, queue equipment and a number calling terminal, and can also comprises the seat client to support real-name authentication. The method and system perfectly balance benefits of users drawing numbers in a remote manner and users drawing numbers on site, performs comprehensive queuing of the two types of users, and achieves a continuous number calling sequence. Number drawing in a remote manner and attendance according to preset arrival time to the greatest extent are encouraged, and missing number calling does not occur. The method and the system are suitable for a plurality of application occasions, can achieve real-name or non-real-name authentication. A user can leave temporarily, and repeated number calling is prevented. The method and the system are convenient, flexible, and low in implementation cost.
Owner:胡飞虎

Highly efficient automatic glass forming device

The invention provides a highly efficient automatic glass forming device which comprises a heating furnace, a forming rack, a conveying rack and a cooling rack. The heating furnace comprises a upper furnace body, a lower furnace body and a screw bar. The upper furnace body is provided with a lifting motor, a lifting bar and a decelerating motor. The lower furnace body is provided with a glass plate feeding table, a first motor, a second motor, an accelerating motor, a transmission bar and a positioning plate. The forming rack is provided with a connection rack, a model cylinder, a model, a pressing head, a pressing head cylinder and a positioning cylinder. The conveying rack is provided with a third motor, a bracket, a machine rack, a guiding rod, a guiding rack, a guiding rail, a rack, a stepping motor and the lifting cylinder. The cooling rack is provided with an extreme cooling wedge, a slow cooling bellow, a cooling fan , a fourth motor and a glass plate acceptance table; the device has the advantages of the capability of fast tempering, fast forming and fast cooling. These advantages grant conveniences to the manufacturer in the production, processing and maintenance and prevent the non-flatness in the edge of the heated and formed glass.
Owner:金华市怡达玻璃机械有限公司

Iron nail collecting device for building construction site

The invention discloses an iron nail collecting device for a building construction site. The iron nail collecting device for the building construction site comprises a base, a pulley, an open pore, afixed vertical rod, an upper fixed block, a lower fixed block, a first motor, a screw rod, a movable block, a first electromagnet, a first spring, a metal block, a movable vertical rod, a housing, a rotary shaft, a big gear, a first permanent magnet, a second motor, a motor connecting rod, a small gear and the like. The iron nail collecting device for the building construction site provided by theinvention has the advantages of reasonable and simple structure, low production cost and convenience in installation, and can be used for effectively collecting iron nails on the building construction site and separating impurities in the iron nails so as to overcome the defects in the background technology; a pressing device is arranged for pressing the ground after the iron nails are collected,so that an uneven ground caused after the iron nails on the ground are collected is prevented; and after the iron nails are collected, the impurities contained in the iron nails can be effectively filtered so as to be removed, and the iron nails can be ensured to be directly used for the second time.
Owner:山东未来城建筑工程有限公司

Grinding and polishing device for automatic grinding and polishing machine

The invention discloses a grinding and polishing device for an automatic grinding and polishing machine. The grinding and polishing device comprises a disk trimming ring and a sample carrying disk. The disk trimming ring is of an up-down separating type structure, and the weight of an upper disk trimming ring body is smaller than that of a lower disk trimming ring body. A plurality of fixing holes are formed in the surface of the disk trimming ring. The fixing holes are distributed in the surface of the disk trimming ring in a central symmetry mode, or one of the fixing holes is formed in the center of the disk trimming ring and the remaining fixing holes are distributed in a central symmetry mode. A groove with the external diameter being smaller than that of the bottom of the disk trimming ring is formed in the bottom of the lower disk trimming ring body. A plurality of liquid drainage grooves are formed around the bottom of the disk trimming ring. The sample carrying disk and the fixing holes of the disk trimming ring are kept in clearance fit. By the adoption of the grinding and polishing device, a plurality of small samples can be ground and polished at the same time, so that efficiency is greatly improved, and the phenomenon that the polished surface is uneven due to abrasion of tooth blades of the disk trimming ring and lateral skewing of the samples is avoided. Meanwhile, when the samples with high hardness are ground and polished, grinding efficiency and quality can be improved by using a weight increasing body.
Owner:HOHAI UNIV

Haze reduction exhaust funnel

The invention discloses a haze reduction exhaust funnel which mainly solves the problem that the environment is polluted due to existing exhaust gas emission. The haze reduction exhaust funnel structurally comprises a gas inlet, an exhaust funnel body and a gas outlet. One end of the exhaust funnel body is connected with the gas inlet and the other end of the exhaust funnel body is connected with the gas outlet. Multiple first separation boards and multiple second separation boards are arranged in an inner cavity of the exhaust funnel body. Multiple through holes are evenly formed in the lower portions of the first separation boards. Multiple through holes are evenly formed in the upper portions of the second separation boards. Water guide holes are formed in the lower portions of the second separation boards. A water drainage port with a cork is formed in the lower portion of the end, connected with the gas outlet, of the exhaust funnel body. A certain number of the separation boards which incline to a certain degree and are provided with the through holes are installed in the exhaust funnel body, flying bubbles are turned downwards so as to secondarily dissolve and filter tail gas containing haze, the haze amount in the tail gas is reduced, and environment friendliness is achieved.
Owner:SHANDONG INST OF COMMERCE & TECH

Culture method for culturing desulfovibrio

The invention relates to a culture method for culturing desulfovibrio. The culture method comprises the following steps: firstly, putting a prepared culture medium into a petri dish, horizontally placing the petri dish on a mechanical self-leveling petri dish rack, and performing leveling; secondly, adding diluents of different concentrations into the petri dish, performing inoculation by using astreak plate method, adding a culture glue, and ensuring an anaerobic environment; and finally, in order to increase inoculation areas and inoculation numbers, performing inclined culture on the petridish, adjusting the angle between the hammer of the mechanical self-leveling petri dish rack and a support plate to an appropriate angle, and performing leveling so as to prevent the petri dish fromsliding off. The method provided by the invention is very simple and convenient, applicable to sealed culture of the desulfovibrio by using the culture glue, is capable of reducing the influence of imbalance of the petri dish rack or operation of an operator to the sealing effect of the petri dish, in addition, is applicable to inclined culture on the desulfovibrio, and is capable of increasing culture areas and inoculation numbers, achieving automatic leveling of the petri dish in the inclined culture process and ensuring inclined culture of the petri dish to achieve the sealing effect.
Owner:NANTONG UNIVERSITY

Wire pole traction steel cable fastening device for electric power transmission and installing method of wire pole traction steel cable fastening device

The invention discloses a wire pole traction steel cable fastening device for electric power transmission and an installing method of the wire pole traction steel cable fastening device. A shell is included. The upper portion of the side wall of the interior of the shell is fixedly connected with a fixing rod. A rotation rod is fixedly connected to the lower portion of the side wall of the interior of the shell. The outer side wall of the rotation rod is in cup joint with a winch and a first gear. A steel stranded wire is wound around the outer side walls of the winch and a guiding wheel in aconnecting manner. A guiding groove is formed in the top of the shell. A protection cover is hinged to the top of the shell. A limiting base is welded to the side wall of the interior of the shell. The limiting base is internally in sliding connection with a fixing base. The top of the shell is evenly provided with four fixing assemblies with the tops penetrating through the bottom, the problems that when a cement stay wire disc and other heavy objects need to be placed, personal injuries can be caused to operation personnel or the traction effect cannot be achieved due to the insufficient dead load are prevented, and the work efficiency and safety guarantee of the operation personnel are effectively improved.
Owner:FUTENG TECH BRANCH OF QUZHOU GUANGMING POWER INVESTMENT GRP CO LTD +1

Low-nickel-zinc cupronickel shielding case and manufacturing method thereof

ActiveCN112593117ALow costExcellent single performanceLocalised screeningCupronickelSolderability
The invention provides a low-nickel-zinc cupronickel shielding case and a manufacturing method thereof. The low-nickel-zinc cupronickel shielding case comprises the following components: 58-60% of Cu,11-13% of Ni, less than or equal to 0.15% of Fe, less than or equal to 0.003% of Pb, 0.15-0.20% of Mn, less than or equal to 0.02% of Sn and the balance Zn. Compared with the prior art, the contentsof Cu and Ni of the low-nickel-zinc cupronickel shielding case are reduced, the balance Zn is increased, and the raw material cost can be reduced; a finished product cleaning process is added, the cleanliness of the surface of a material can be improved, and the solderability of the material is improved; and oil injection is carried out before finished product annealing, when surface grease is subjected to finished product annealing, oxide existing in fine grooves in the surface of a strip can be taken away at high temperature, the surface is cleaner after treatment, and the surface is not prone to yellowing when high-temperature baking is carried out. During finished product annealing, the temperature is 415 +/-5 DEG C, and the heat treatment time is 5-6 hours. Grains can be refined by reducing the bottoming annealing temperature, the material performance is homogenized, and the problem that four corners are punched unevenly due to uneven material performance is solved.
Owner:安徽鑫科铜业有限公司
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