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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 17. Отображено 17.
22-08-2023 дата публикации

Method and system for evaluating action time of novel relay protection device

Номер: CN116628406A
Автор: WANG ZHIJIE, LI YANJUN, SHU ZHIHUAI, LIU YU, LI ZHONGQING, WANG WENHUAN, XIA YE, LI WEI, ZHOU YINPING, LIU YADONG, MENG JIANGWEN, GAO CHENGUANG
Принадлежит:

The invention discloses a method and system for evaluating the actuation time of a novel relay protection device, and belongs to the technical field of relay protection. The method comprises the following steps: grouping action time in a sample set X1, determining an average value of the action time in each group, and generating a sample set X2 based on the average value; determining an arithmetic mean value mu and a standard deviation sigma of the sample set X2; grouping the action time in the sample set Y1, determining an average value of the action time in each group, and generating a sample set Y2 based on the average value; determining an arithmetic mean value and a standard deviation s of the sample set Y2; and determining a t value, determining a p value corresponding to the t value based on t distribution, and determining the action time of the novel relay protection device based on the p value. According to the method, the evaluation of the action protection time can be carried ...

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Номер записи: 1
07-04-2023 дата публикации

Degradable tympanic membrane stent, conveying device and degradable tympanic membrane stent system

Номер: CN115919545A
Автор: LI HUAWEI, LI RUI, SUN SHAN, ZHANG LIZHENG, YU HUIQIAN, GAO CHENGUANG, XIA ZHIPENG, ZHANG JIE
Принадлежит:

The invention provides a degradable tympanic membrane stent, a conveying device and a degradable tympanic membrane stent system. The degradable tympanic membrane stent comprises a stent body and an indwelling part. The support comprises a linear base body structure, and when the base body structure is in an initial state without external force, the base body structure is wound into a three-dimensional winding structure in the space; the indwelling part is connected with one end of the base body structure, the indwelling part is provided with a through hole penetrating in the axial direction of the indwelling part, and the indwelling part is provided with a connecting part used for being connected with a first target object; at least one part of the base body structure is used for being converted to linear extension under the action of external force, so that the base body structure is conveyed to penetrate through the first target object and is converted to the initial state; the base body ...

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Номер записи: 2
25-08-2023 дата публикации

Method for measuring temperature and mass flow rate of gas in capillary tube

Номер: CN116642528A
Автор: LONG JUN, FU XINJU, LI YONG, LIU XUHUI, YAO ZHAOPU, WANG XUDONG, GAO CHENGUANG, GUAN WEI, LIU QINGYUAN, SHI ZHAOXIN, ZHANG HENG, LV TAIZENG, ZHU ZHIBO, HAN DAOMAN, YAN HAO, GENG JINYUE, GAO YONG, WEI YANMING
Принадлежит:

The invention discloses a method for measuring temperature and mass flow of gas in a capillary tube, and belongs to the field of thermal gas flow measurement. According to the method, gas flow is measured by adopting two groups of heating wires wound outside a capillary tube, the upstream outer wall and the downstream outer wall of the capillary tube are respectively wound with one group of heating wires, the temperature can rise after the heating wires are electrified, the temperatures of the two groups of heating wires are kept the same by controlling the power of the heating wires, and heat can be taken away when gas flows through a heating area; and the flow and the temperature of the gas to be measured in the capillary tube are obtained by measuring the change of the heating power of the two groups of heating wires. Zero correction is easy to realize, and gas temperature information can be obtained without an additional temperature sensor.

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Номер записи: 3
04-04-2023 дата публикации

Master-slave differential protection method and system based on mobile communication

Номер: CN115912282A
Автор: LIU YADONG, LI YANJUN, ZHOU ZEXIN, LI ZHONGQING, JIANG SHUAI, WANG WENHUAN, GAO CHENGUANG, WANG ZHIJIE, ZHOU YINPING, TU QI
Принадлежит:

The invention discloses a master-slave differential protection method and system based on mobile communication, and the method comprises the steps: a host receives the current phase and time transmitted by a slave at each side, synchronizes the phase of the slave at each side to the same moment based on the time difference of the slave at each side, and calculates the phase difference of the slave at each side after the phase difference is synchronized to the same moment, the current phase is the current phase of each side calculated by a slave machine on each side of the line after the line has a fault; and the host judges the phase difference, and when the phase difference meets an internal fault criterion, a tripping command is sent to each side slave through the host.

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Номер записи: 4
09-05-2023 дата публикации

Method and device for analyzing detection data of relay protection device

Номер: CN116089486A
Автор: LIU YADONG, LI YANJUN, WANG WENHUAN, LI WEI, XIA YE, GAO CHENGUANG, WANG ZHIJIE, ZHOU YINPING, ZHANG ZHI, LI TIECHENG, CHEN TIANYING, WEI YINGLI
Принадлежит:

The invention discloses a method and a device for analyzing detection data of a relay protection device. The method comprises the following steps: establishing a historical database and a to-be-analyzed database; obtaining a structured historical database and a to-be-analyzed database based on the historical database and the to-be-analyzed database; based on a preset technical index keyword library and an abnormal keyword library, respectively screening the structured historical database and the to-be-analyzed database to obtain a simplified historical database and a simplified to-be-analyzed database; based on the simplified historical database and the to-be-analyzed database, obtaining historical data with the highest data association degree with the to-be-analyzed database; and performing auxiliary analysis on the data in the to-be-analyzed database according to the historical data with the highest association degree to obtain the updated data in the to-be-analyzed database. Through ...

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Номер записи: 5
23-09-2015 дата публикации

Application of fructus schizandrae extract in medicine for rescuing paraquat poisoning

Номер: CN104922277A
Автор: CAO BO, CHEN HONG, GAO YING, GAO CHENGUANG, GUO PENG, QI LI, NIU CONG, YAO LIFU
Принадлежит:

The invention discloses application of fructus schizandrae extract in medicine for rescuing paraquat poisoning. Tests show that fructus schizandrae extract has the functions of good antioxidation and lung protection, fructus schizandrae extract has remarkable protection function on lung injury caused by paraquat, the action mode of the fructus schizandrae extract is that formation of oxygen radicals can be reduced, oxidative stress and inflammatory reaction can be relieved, and the fructus schizandrae extract relates to restriction of up regulation of TGF-beta 1 and IL-6.

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Номер записи: 6
25-06-2014 дата публикации

Digital closed-loop optical fiber gyroscope full-loop detection and simulation test system

Номер: CN103884358A
Автор: ZHANG JINBAO, LIN SONG, SUN LI, GAO CHENGUANG, FU MINGRUI, WANG CHONG, LI YONG, MA GUANYING, ZHAO YAFEI
Принадлежит:

The invention discloses a digital closed-loop optical fiber gyroscope full-loop detection and simulation test system which comprises an optical system module, a pre-amplification module, a digital processing module, a feedback module, a communication module and a ground detection and simulation test system. Under a condition of no turntable, the digital closed-loop optical fiber gyroscope full-loop detection and simulation test system can realize full-loop detection on an optical fiber gyroscope; under a condition of no angle vibration table and sudden stop table, a stand-alone bandwidth test on the optical fiber gyroscope can be implemented; the self-condition limitation of the conventional mechanical equipment is avoided in a test process; under a condition that any auxiliary ground detection circuit is not added, a dynamic simulation function of a branch system can be realized, and parameter limitation caused by auxiliary circuits is avoided; complicated dynamic simulation is implemented ...

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Номер записи: 7
13-10-2010 дата публикации

Grain amaranth lactobacillus fermented yogurt

Номер: CN0101856049A
Автор: NANNAN CAO, JINZHI CHENG, CHENGUANG GAO, CAO NANNAN, CHENG JINZHI, GAO CHENGUANG
Принадлежит:

The invention discloses grain amaranth lactobacillus fermented yogurt. Grain amaranth kernels are taken as raw materials and are subjected to the hot-melt pulping technology and fermented by lactobacillus plantarum. The fermented yogurt has greyish white color, fine and smooth and uniform texture, no sediments or delamination, palatable taste of sweet and sour and unique flavor, and is viscous fluid, wherein the pH value of acidity is between 3.5 and 4.0, and the viable count is more than or equal to 1 million/milliliter. The grain amaranth can grow under the hostile environment without pesticides, and has the unique nutrition and health-care effect; the processing process comprises the steps of mechanical pulverization, physical heating and the fermentation of the lactobacillus plantarum, so that the abundant and unique nutrient components of the grain amaranth are maintained; stabilizing agents and preservatives are not added; the process from the production of the raw materials to product ...

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Номер записи: 8
04-07-2012 дата публикации

Pure plant-fermented yogurt

Номер: CN0101828603B
Автор: CAO NANNAN, CHENG JINZHI, GAO CHENGUANG, NANNAN CAO, JINZHI CHENG, CHENGUANG GAO
Принадлежит:

The invention discloses a pure plant-fermented yogurt and a production method thereof. The pure plant-fermented yogurt produced by reasonably proportioning grain and oil crop seeds as raw materials and adopting thermal-fusion pulping and lactobacillus plantarum fermentation without adding stabilizers and animal proteins has the advantages of fine and smooth tissues, uniformity and consistence, nosediment and demixing and unique flavor, and is in a thickened fluid; the acidity PH of the pure plant-fermented yogurt is 3.5-4.0, the viable count is not less than 1 million/milliliter, and the production method saves the processes of liquefaction and saccharification so that the unique nutrient components of plants are kept. Without containing cholesterols, lactose and preservatives, the pure plant-fermented yogurt is suitable for all people and can be used for preventing and curing hypertensions, hyperlipaemia, cardiovascular and cerebrovascular diseases, diabetes mellitus, obesities and digestive ...

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Номер записи: 9
16-05-2023 дата публикации

Method and system for identifying familial defects of protection device

Номер: CN116127347A
Автор: WANG ZHIJIE, LI YANJUN, WANG WENHUAN, ZHOU YINPING, LIU YADONG, GAO CHENGUANG, ZHANG HONGLIANG
Принадлежит:

The invention discloses a method and a system for identifying familial defects of a protection device. The method comprises the following steps: acquiring information of the protection device with defects; checking the validity of the protection device information; and when the protection device information passes the validity check, identifying the protection device information subjected to the validity check based on a preset identification rule, and confirming the equipment defect in the protection device information meeting the identification rule as a familial defect.

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Номер записи: 10
23-06-2023 дата публикации

Equipment familial defect mining method based on correlation analysis and related device

Номер: CN116303583A
Автор: ZHOU YINPING, LI YANJUN, WANG ZHIJIE, WANG WENHUAN, LIU YADONG, GAO CHENGUANG, ZHANG HONGLIANG, ZHOU CHUNXIA, SHEN XIAOFAN
Принадлежит:

The invention discloses an equipment familial defect mining method based on correlation analysis and a related device. The method comprises the following steps: generating an equipment defect information database according to an equipment operation log; classifying the equipment defect information from the equipment defect information database according to a preset feature rule, and determining an equipment defect information data subset; according to the target information, selecting a familial defect mining association rule item set associated with the target information from the equipment defect information data subset; and calculating the support degree and the confidence degree of the familial defect mining association rule item set by using an association rule mining algorithm, and determining the strong association rule of the equipment familial defect.

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Номер записи: 11
11-04-2023 дата публикации

Protection system and method for judging three-phase inconsistency of circuit breaker

Номер: CN115954826A
Автор: WANG ZHIJIE, LI YANJUN, WANG WENHUAN, LIU YADONG, GAO CHENGUANG, ZHOU YINPING, ZHANG HONGLIANG
Принадлежит:

The invention discloses a protection system and method for judging three-phase inconsistency of a circuit breaker. The circuit breaker position identification module is connected with the circuit breaker mechanism box through a cable and is used for identifying position information of three-phase opening and closing of the circuit breaker; the three-phase inconsistent protection switching state detection module is used for sending a three-phase inconsistent protection logic judgment request to the three-phase inconsistent protection logic judgment module; the three-phase inconsistency protection logic judgment module is used for performing protection logic analysis on the position information according to the request and the position information; the timing module is used for acquiring the three-phase inconsistent protection logic satisfaction duration of the three-phase inconsistent protection logic judgment module; and the three-phase inconsistency action module sends a three-phase tripping ...

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Номер записи: 12
21-07-2023 дата публикации

Online automatic analysis system and method for power grid fault and protection action

Номер: CN116467633A
Автор: LIU YADONG, LI YANJUN, WANG WENHUAN, LI ZHONGQING, YANG GUOSHENG, LIANG YING, ZHOU ZEXIN, GAO CHENGUANG, GUO PENG, ZHANG HANFANG
Принадлежит:

The invention discloses an online automatic analysis system and method for power grid faults and protection actions, and belongs to the technical field of power grid fault monitoring. By installing and deploying the information collection module, the fault diagnosis module and the protection work analysis module at the power grid dispatching end, on one hand, the abnormal collection condition can be eliminated, the wrong conclusion of protection action analysis caused by the abnormal collection is avoided, on the other hand, the protection action rationality analysis does not relate to specific protection action characteristics, and the safety is improved. The method can obtain analysis conclusions of whether protection should act and whether the action is correct, is suitable for action analysis and evaluation of different types of protection principles or models, and is especially suitable for realizing online automatic action analysis and evaluation of a large number of different types ...

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Номер записи: 13
30-05-2012 дата публикации

Grain amaranth lactobacillus fermented yogurt

Номер: CN0101856049B
Автор: CAO NANNAN, CHENG JINZHI, GAO CHENGUANG, NANNAN CAO, JINZHI CHENG, CHENGUANG GAO
Принадлежит:

The invention discloses grain amaranth lactobacillus fermented yogurt. Grain amaranth kernels are taken as raw materials and are subjected to the hot-melt pulping technology and fermented by lactobacillus plantarum. The fermented yogurt has greyish white color, fine and smooth and uniform texture, no sediments or delamination, palatable taste of sweet and sour and unique flavor, and is viscous fluid, wherein the PH value of acidity is between 3.5 and 4.0, and the viable count is more than or equal to 1 million/milliliter. The grain amaranth can grow under the hostile environment without pesticides, and has the unique nutrition and health-care effect; the processing process comprises the steps of mechanical pulverization, physical heating and the fermentation of the lactobacillus plantarum, so that the abundant and unique nutrient components of the grain amaranth are maintained; stabilizing agents and preservatives are not added; the process from the production of the raw materials to product ...

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Номер записи: 14
15-09-2010 дата публикации

Pure plant-fermented yogurt

Номер: CN0101828603A
Автор: NANNAN CAO, JINZHI CHENG, CHENGUANG GAO, CAO NANNAN, CHENG JINZHI, GAO CHENGUANG
Принадлежит:

The invention discloses a pure plant-fermented yogurt and a production method thereof. The pure plant-fermented yogurt produced by reasonably proportioning grain and oil crop seeds as raw materials and adopting thermal-fusion pulping and lactobacillus plantarum fermentation without adding stabilizers and animal proteins has the advantages of fine and smooth tissues, uniformity and consistence, no sediment and demixing and unique flavor, and is in a thickened fluid; the acidity pH of the pure plant-fermented yogurt is 3.5-4.0, the viable count is not less than 1 million/milliliter, and the production method saves the processes of liquefaction and saccharification so that the unique nutrient components of plants are kept. Without containing cholesterols, lactose and preservatives, the pure plant-fermented yogurt is suitable for all people and can be used for preventing and curing hypertensions, hyperlipaemia, cardiovascular and cerebrovascular diseases, diabetes mellitus, obesities and digestive ...

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Номер записи: 15
23-06-2023 дата публикации

Transformer inrush current identification method and system based on waveform offset and discontinuous characteristics

Номер: CN116298580A
Автор: DU DINGXIANG, YANG GUOSHENG, LIANG YING, SU YI, QIN SIYOU, CAO HONG, GAO CHENGUANG
Принадлежит:

The invention discloses a transformer inrush current identification method and system based on waveform offset and discontinuous characteristics. The method comprises the steps that high-voltage side three-phase current and low-voltage side three-phase current are collected, a three-phase differential current sampling value of a transformer at the tj moment is calculated according to the collected high-voltage side three-phase current and low-voltage side three-phase current, and excitation surge current identification based on waveform asymmetry offset characteristics is determined according to the sampling value waveform of the differential current; according to the sampling value waveform of the differential current, excitation surge current identification based on waveform discontinuous characteristics is determined; determining a square wave index eta < lt > according to the excitation surge current identification based on the waveform asymmetry offset characteristic and the excitation ...

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Номер записи: 16
09-05-2023 дата публикации

Configuration method and device for substation system configuration description file

Номер: CN116090975A
Автор: LI YANJUN, LIU YADONG, WANG WENHUAN, LIANG YING, ZHOU ZEXIN, YANG GUOSHENG, TANG YI, WANG ZHIJIE, GAO CHENGUANG, ZHOU YINPING
Принадлежит:

The invention discloses a configuration method and device for a substation system configuration description file. The method comprises the steps that an SSD file is acquired; establishing a substation primary equipment list at intervals according to the SSD file; establishing a relation list of each secondary equipment IED and corresponding primary equipment under the same interval according to the primary equipment list of the transformer substation; according to the relation list of each secondary equipment IED and the corresponding primary equipment under the same interval, establishing an association relation list of each interacting secondary equipment IED under the same interval; according to the IED association relation list and the interval information of the secondary equipment interacting with each other under the same interval, establishing IED virtual terminal type connection relations and interval serial numbers of the associated secondary equipment under the same interval; ...

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Номер записи: 17