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5383results about How to "Prevent aging" patented technology

Cantilever beam type optical fibre grating accelerometer

The invention relates to the optical fiber sensor technical field, disclosing a cantilever beam-type optical fiber grating accelerometer. The accelerometer comprises an outer casing used as a support structure of the accelerometer, a support column used to fix a cantilever beam, a cantilever beam, a first lug boss and a second lug boss arranged at both ends of the upside of the cantilever beam, an optical fiber grating used to measure acceleration and a mass block arranged at one end or both end of the underside of the cantilever beam, wherein one end of the support column is fixed with the cantilever beam, while the other end is fixed with the downside surface of the accelerometer; both lug bosses are used to horizontally fix the optical fiber grating and ensures a certain space between the optical fiber grating and the cantilever beam; both ends of the optical fiber grating are respectively fixed on the first lug boss and the second lug boss on the cantilever beam with one end parallel to the surface of the cantilever beam passing through the hole on the sidewall of the accelerometer to extend outside the accelerometer; and the mass block is used to adjust the sensitivity and the natural vibration frequency of the accelerometer. The cantilever beam-type optical fiber grating accelerometer increases sensitivity and improves packaging technology.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Intelligent electrical equipment environment monitoring system based on cloud computing and big data analysis

The invention discloses an intelligent electrical equipment environment monitoring system based on cloud computing and big data analysis. The system comprises a cloud server, an intelligent master control device, monitoring devices and communication equipment communicating with the cloud server, wherein the monitoring devices are used for acquiring related data of an electrical equipment environment and transmitting the data to the intelligent master control device; the intelligent master control device is used for controlling the monitoring devices and transmitting the data received from the monitoring devices to the cloud server; the cloud server is used for receiving and storing the related data of the electrical equipment environment; a user accesses the cloud server through a mobile phone or a computer and then controls the master control device and the monitoring devices remotely. The system depends on cloud computing to perform big data analysis on online meteorological information, real-time data and historical data, intelligently monitors the monitoring devices of all nodes, evaluates the monitoring effectiveness, analyzes potential risks effectively and solves problems by which people are puzzled for many years about outdoor electrical equipment microenvironments, online micrometeorology monitoring, real-time intelligent control and the like.
Owner:JIANGSU LIDE INTELLIGENT MONITORING TECH CO LTD

On-track correcting device of space-borne phased array transmitting antenna

The invention discloses an on-track correcting device of a space-borne phased array transmitting antenna, which is characterized in that on-track correcting is started by a correcting control module to trigger a reference signal generation module to generate correcting reference signals; radio frequency transmitting signals are output after the correcting reference signals are processed by the radio frequency transmitting front terminals of each channel of a multi-channel radio frequency transmitting front terminal module; the radio frequency transmitting signals of some channel are fed back by a radio frequency feedback module; the digitized feedback signals of the channel are output after being processed; an amplitude-phase error calculation module calculates the amplitude and the phase error between the feedback signals and the correcting reference signals of the channel according the maximum likelihood estimation rule; an amplitude-phase correcting module compensates the amplitude and the phase error of the channel according to the amplitude and the phase error obtained by calculation; and the channels are successively compensated in this way, and the amplitudes and the phases of the channels approach to be consistent.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

High-temperature resistant flame-retardant environment-friendly PVC (polyvinyl chloride) modified material and preparation method thereof

The invention relates to the technical field of PVC (polyvinyl chloride) composite materials, and particularly relates to a high-temperature resistant flame-retardant environment-friendly PVC (polyvinyl chloride) modified material and a preparation method thereof. The alloy material comprises the following raw materials in parts by weight: 80-120 parts of PVC resin, 15-45 parts of filler, 25-55 parts of plasticizer, 5-10 parts of flame retardant, 2-10 parts of stabilizer, 2-10 parts of impact modifier, 1-2 parts of lubricant and 0.1-1.0 part of antioxidant. The raw materials are weighed and mixed according to the parts by weight; then the mixture is stirred and extruded and granulated by a twin-screw extruder; and the alloy material is obtained by cutting and air cooling. The alloy material provided by the invention is high-temperature resistant and environment-friendly, and has high strength, high flame retardance, strong compression performance and toughness, good processing performance, excellent comprehensive performance and wide application prospects. The preparation method provided by the invention is simple in technology and convenient to operate and control, realizes stable quality and high production efficiency, and can be applied to large-scale industrial production.
Owner:广东祺龙科技有限公司

Vinegar koji and biological edible vinegar, and method of producing the same

The invention relates to a vinegar melody, biological vinegar and the preparing method, which dissolve the problem that glacial acetic acid or the like in the edible vinegar has side effect for the human. The vinegar melody is made by Avena sativa, wheat, black rice, peart barley, soya bean, black soya bean, green bean, red bean, broad bean, pea, tea, traditional Chinese medicine herbal pieces prepared for decoction and vinegar melody bacterial. The preparing method of the vinegar melody comprises the following steps: 1, boiling after disintegrating high starch raw material and infiltrating with the water; 2, adding the other raw material, water and vinegar melody bacterial and fermenting. The biological vinegar is made by vinegar melody, Daqu, Shenqu, bran melody, wine yeast, aspergillus oryzae, Chinese sorghum, corn, millet, glutinous millet, peart barley, glutinous rice, black rice, citrate bacterial, yeast, acetic acid bacteria and fruit normal juice. The preparing method of the biological vinegar comprises the following steps: 1, boiling after disintegrating high starch raw material and infiltrating with the water; 2, adding the other raw material and saccharifying and acetous fermenting zymogeneous bacteria; 3, adding the salt and afterripening; 4, drenching the vinegar; ageing; sterilizing and filtering. The local flavor of the biological vinegar comes from the raw material and the metabolite of the microorganism completely without the glacial acetic acid or the like, and the biological vinegar doesn't have the side effect for the human and has the delicious taste and more than 8. 13g / 100ml high vinegar yield.
Owner:范英祝
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