50results about How to "No impact on security" patented technology

The invention discloses an energy-saving bias-reduction multi-wire diamond saw. The energy-saving bias-reduction multi-wire diamond saw comprises frames, lifting slide bushes, a variable-frequency lifting motor and a transmission system thereof, a main variable-frequency motor, one or more saw cutting systems, an independent tensioning wheel and two or more quarry stone trolleys arrayed under the saw cutting systems, wherein each two adjacent quarry stone trolleys are parallelly arrayed under the same saw cutting system. A counterweight frame is mounted on the other lateral side of each lifting slide bush on which the saw cutting systems are mounted, a plurality of counter weights used for counteracting bias torques are mounted on each counterweight frame, the counterweight frames are serially connected or serially and parallelly connected to be arrayed under two symmetrical or corresponding saw cutting systems which are structurally identical and equal in size of corresponding parts, and a guide rail for promoting energy saving and bias reduction is arranged between each frame and the corresponding lifting slide bush sleeved outside the frame. Therefore, the bias torque of each embodiment of the invention is zero, and the main motor power of the embodiments is reduced by 20-30%, 10-20% and 20-30% respectively.

An inter-satellite power supplying device comprises a target satellite side fixing and connecting support (1), a target satellite side conductive electrode (2), a target satellite side pressure spring (3), a target satellite side medium layer (4), a target satellite side top block (5), a main satellite side fixing and connecting support (6), a main satellite side conductive electrode (7), a main satellite side pressure spring (8), a main satellite side medium layer (9) and a main satellite side top block (10). The inter-satellite power supplying device replaces conventional power supplying connection methods which relate to umbilical cables or shed electric connectors, is simple and reliable, and can not influence separation safety. When a powered phase of a carrier rocket flies, a main satellite provides power for an auxiliary satellite through the inter-satellite power supplying device, therefore, power supply capacity in a long-term powered phase flying period (about seven days) is guaranteed, the depth of discharge of a storage battery of the auxiliary satellite can be effectively decreased, and the service life of the storage battery is prolonged.

The invention discloses a radio frequency identification system safety certification and key agreement method. According to the radio frequency identification system safety certification and key agreement method, transmission of public values of the two communication parties is simplified, the public values are transmitted through a certification server, influences on the safety performance are avoided, and therefore even through the server is broken into, it is certain that following certification can not be passed. In the certification process, three-round communication and seven-step operation are required to be executed to generate a session key, and compared with same-class methods, the radio frequency identification system safety certification and key agreement method has the advantage that efficiency is greatly improved. The radio frequency identification system safety certification and key agreement method has the advantages of being safe, low in storage cost and communication cost, novel, easy to implement and the like. By means of the radio frequency identification system safety certification and key agreement method, server leakage attack, midwayer attack, off-line guessing attack and not-detectable on-line guessing attack can be effectively defended, meanwhile, a bidirectional certification session key with high safety performance and forward safety performance are provided, and the radio frequency identification system safety certification and key agreement method is quite suitable for RFID application systems which must provide privacy protection.

The present invention discloses a high-temperature instant unhairing method and a special equipment, which is characterized in comprising the process procedures of starting the machine, opening a fire spraying device, arranging a pig head on a high-temperature-resistant steel belt having a sharp cone, fixing the pig head and conveying the pig head; the high-temperature flame covers the whole pig head instantaneously; under the effect of the instant high-temperature flame, the root of the hair is fired instantly, but the surface skill of the pig head is well without damage; the pig head after unhairing is unloaded by a pig-head unloading plate; the high-temperature quick unhairing equipment comprises a bracket (1), a motor (3) and a reducer (4); wherein, a conveying chain (2) is arranged between two chain wheels (5) on both ends of the bracket (1), a socket (7) is arranged on the conveying chain (2), a fire passage (8) is arranged on the bracket (1), a smoke-exhaustion pipe (9) and a liquid-gas pipe (12) are arranged on the fire passage (8), a heat-preservation layer (11) is arranged inside the fire passage and a fire-spraying cap (10) is arranged at the entry of the fire passage (8), which is a high-temperature instant unhairing method and a special equipment having low labor intensity, high production efficiency and high security performance without any damage on the food hygiene.

The invention relates to a toll collection system and toll collection method of vehicle on a high-speed traffic road. At present, the ETC systems are built actively in the country; but some disharmonious phenomena like entrance by mistake, toll avoidance by following, and toll avoidance by marking a small mark on a large vehicle occur at the early stage of development. The system comprises an ETClane (1) and a passing vehicle (2). A pressure sensor A (3), a pressure sensor B (4), a weighbridge (5), an entrance RFID (6), and an exit RFID (7) are arranged on the ETC lane; a railing A (8) and arailing B (9) are arranged at positions at distances to a manual toll station (18) of 20m and 5m respectively; the weighbridge is arranged between the s pressure sensor A and the pressure sensor B; anultrasonic module A (10) is installed on the railing A and an ultrasonic module B (11) is mounted on the railing B; and the pressure sensor A is connected to the ultrasonic module A and an upper computer 912. The toll collection system and toll collection method can be applied to the fields of vehicles and transportation.

The invention discloses a black cigarette paper and a preparation method thereof. The cigarette paper comprises the following raw materials in parts by weight: 1-10 parts of food-grade carbon melanin,20-30 parts of a calcium carbonate filler, 5-30 parts of softwood pulp, 60-90 parts of hardwood pulp, 0.05-0.1 part of potassium oleate, 0.1-0.2 part of polyvinyl alcohol and 1-5 parts of other cigarette paper auxiliaries. The method is simple to operate and low in cost, the obtained black cigarette paper has the advantages of uniform and stable color, excellent color fastness, and safety. The appearance quality of cigarettes is effectively improved.

The present invention provides a process for improving negative photoresist storage stability of a cyclized isoprene system. The storage stability of a product is maintained by oxidizing an uncyclized double bond in isoprene in advance. The service life of a negative photoresist product using cyclized isoprene as a parent is effectively improved, and the problem that aging and deterioration of rubber cannot be detected by testing a molecular weight and a cyclized rate in traditional detection methods can be solved by monitoring the condition of particles. The process successfully extends the storage life of the negative photoresist from one year to two years, so that the negative photoresist product is greatly broken through, the production ability of a manufacturer and the use and storage of a client are improved, and the negative photoresist has a high market prospect.

The invention relates to an EPA (timnodonic acid) content-increasing oyster breeding method and application thereof. Purebred oysters from different subspecies or populations of the same species are taken as parents, and hybrid progenies with high EPA content are generated through homologous outbreeding between the species or the populations in the same species. By the EPA content-increasing oyster breeding method, the EPA content in bodies of oysters can be obviously increased by more than 10 percent; the efficiency is high; and transgenic technology, drug treatment technology and other technologies are not required, so that the operation is simple and convenient and the practicality is high.

The invention discloses a novel oil pipe head and sleeve head machining device, and belongs to the technical field of oil pipe head manufacturing clamps. The novel oil pipe head and sleeve head machining device comprises a fixing bottom plate, wherein a first T-shaped groove and a second T-shaped groove are formed in the top wall of the fixing bottom plate, a first V-shaped sliding block is slidably connected in the first T-shaped groove, a second V-shaped sliding block and a bearing block are slidably connected in the second T-shaped groove, the fixing bottom plate is further connected with an axis stop seat, the axis stop seat is connected with a screw rod, the screw rod penetrates through the second V-shaped sliding block and is connected to the inner wall of the axis blocking seat, and the screw rod is matched with the bearing seat. The novel oil pipe head and sleeve head machining device reduces the management cost and the maintenance cost of the machining device, improves the machining precision and the core competitiveness of an enterprise, is simple in manufacturing structure and assembly, convenient to use and applicable to various working environments, and greatly improves the machining efficiency.

The invention provides a controlling method for improving strong wind generating capacity of wind turbines. According to power management given output values, the wind turbines operate based on the following manners: when the measured average wind speed exceeds 25 meters per second, the given power is reduced at a fixed rate for running; when the wind speed is maintained at 25-30 meters per second, a fan operates at low power; when the average wind speed is greater than 30 meters per second, the fan is stopped for safety; and when the average wind speed is less than 24 meters per second, the given power begins to increase to the power output given power at a fixed rate. The number of available hours of the fan is increased and the amount of generating capacity is enhanced by means of the method.

The invention discloses a sugar-increasing and acid-decreasing method for citrus cultivar cv. Shimian Huangguogan. According to guaranteed nutrient standards of sprouting fertilizer for early phase of flowering, content of quick-acting potassium in soil is 22.29-23.83mg/kg, and content of available phosphorus is 37.84-42.47mg/kg. According to the guaranteed nutrient standards of fading fertilizer for early phase of young fruit, content of quick-acting potassium in soil is 33.42-38.39mg/kg, and content of available phosphorus is 38.51-41.95mg/kg. According to the guaranteed nutrient standards of fruit growth fertilizer for early phase of fruit swelling, content of quick-acting potassium in soil is 47.35-50.57mg/kg, and content of available phosphorus is 53.27-59.30mg/kg. According to the guaranteed nutrient standards of coloration fertilizer for early phase of coloration, content of quick-acting potassium in soil is 87.89-90.90mg/kg, and content of available phosphorus is 103.71-106.20mg/kg. Ratio of sugar-acid in fruits of citrus cultivar cv. Shimian Huangguogan is increased to 109.84-136.07%, content of soluble sugar is increased to 56.95%-58.40%, and content of organic acid is decreased to 25.20-32.90%. Sugar increasing and acid decreasing are effective, and flavor and comprehensive quality of the fruits of the citrus cultivar cv. Shimian Huangguogan are improved evidently.