Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 14. Отображено 14.
18-07-2023 дата публикации

Detection optimization method for similar duplicate records based on density clustering algorithm DBSCAN algorithm

Номер: CN116451675A
Автор: XIONG QIAN, ZHOU LIANYING
Принадлежит:

The invention discloses a detection optimization method for similar duplicate records based on a density clustering algorithm DBSCAN algorithm, belongs to the field of machine learning and data mining, and is divided into four steps. In the first step, data standardization processing and data set preliminary division are carried out on a data set, and in the second step, an initial point optimization and parameter self-adaption method is introduced based on a DBSCAN algorithm so as to improve the non-uniformity of similar duplicate record clustering results; thirdly, performing secondary clustering on the similar duplicate record clusters in the second step by using an N-Gram algorithm to effectively improve the detection precision; and 4, training and testing the constructed method by using a student data set, and verifying the effectiveness of the method. On the basis of a density clustering algorithm, the detection precision of similar duplicate records is effectively improved, the influence ...

Подробнее
Номер записи: 1
11-08-2023 дата публикации

Starting method and device of non-inductive FOC control mode and electronic equipment

Номер: CN116582050A
Автор: LI YANJI, LI JIALIANG, XIONG QIAN
Принадлежит:

The invention belongs to the technical field of non-inductive FOC control, and particularly relates to a starting method and device of a non-inductive FOC control mode and electronic equipment. The method is applied to the electronic equipment, the electronic equipment comprises a phase current sampling resistor, a lower bridge arm MOS tube of a driver, an upper bridge arm MOS tube of the driver and a motor connected between the lower bridge arm MOS tube and the upper bridge arm MOS tube, the phase current sampling resistor, the lower bridge arm MOS tube and the upper bridge arm MOS tube are connected in sequence, and the phase current of the motor flows through the phase current sampling resistor. The method comprises the following steps: in response to a starting instruction, adjusting the duty ratio of a lower bridge arm MOS (Metal Oxide Semiconductor) tube to a first duty ratio, and controlling an upper bridge arm MOS tube to be cut off; detecting a current I flowing through the phase ...

Подробнее
Номер записи: 2
30-05-2023 дата публикации

Ecological soil formula suitable for gallery bridge and manufacturing method of ecological soil formula

Номер: CN116171831A
Автор: HE QIAN, YUAN JUNFENG, XIONG QIAN
Принадлежит:

The invention relates to the technical field of agriculture, in particular to an ecological soil formula suitable for a gallery bridge and a manufacturing method thereof, and the ecological soil formula comprises 5-10 parts of a biological agent, 5-10 parts of water chestnuts, 5-15 parts of soybean meal, 5-10 parts of pumpkin seeds, 5-15 parts of plant ash, 10-20 parts of hydrophobic ceramsite, 10-20 parts of traditional Chinese medicine residues, 20-40 parts of humus soil and 1-3 parts of slaked lime. The traditional Chinese medicine residues comprise 5-10 parts of sophora flower residues, 5-10 parts of liquorice residues, 10-20 parts of radix angelicae residues, 20-30 parts of rhizoma alismatis residues, 20-30 parts of lalang grass rhizome residues and 20-40 parts of selfheal residues, and the hydrophobic ceramsite can prevent capillary generation to reduce water evaporation. According to the method, the hydrophobic ceramsite is added into the planting soil, so that rainwater can smoothly ...

Подробнее
Номер записи: 3
25-04-2023 дата публикации

Preparation process and preparation device of urokinase

Номер: CN116004590A
Автор: GU JING, TANG WEI, XIONG XINLEI, NI MENG, DING JING, XIONG QIAN, GUO FEN, QIN SHILIN, JIN WEI, YANG ZHANWEI, MEI SHUANGSHUANG, XIAO JIAOLONG, ZHAO BAOYING
Принадлежит:

The invention relates to the technical field of biological enzyme extraction, and discloses a preparation process and a preparation device of urokinase, and the preparation process comprises the following steps: S1, urinating by a urinating person; s2, storing urine by a urine collecting device, and taking urine by a sampling device; s3, detecting the urine by a detection device, and collecting a first stock solution and a second stock solution according to a detection result; s3-1, acidifying the first stock solution, centrifuging, filtering out precipitates to obtain a first treatment solution, and adsorbing, eluting and filtering the first treatment solution to obtain a urokinase crude product; s3-2, adsorbing, eluting and filtering the second stock solution to obtain a urokinase crude product; the preparation device comprises a urine collection device used for directly collecting urine from a urine supplier, a sampling device used for obtaining the urine and a detection device used ...

Подробнее
Номер записи: 4
25-04-2023 дата публикации

Improved urokinase adsorption column

Номер: CN115999200A
Автор: GU JING, TANG WEI, WANG DEJUN, NI MENG, LI LEFENG, JIN WEI, XIONG QIAN, ZHAO BAOYING, ZENG WEN, GUO FEN, XIONG XINLEI, DING JING
Принадлежит:

According to the technical scheme, the improved urokinase adsorption column is characterized in that the improved urokinase adsorption column comprises a supporting frame, the supporting frame comprises an upper buckling frame body and a base plate frame body, the upper buckling frame body and the base plate frame body are connected through a connecting piece, and a middle column body and a resin permeation column are connected to the base plate frame body; the resin permeation column is arranged between the upper buckling frame body and the chassis frame body and sleeves the middle column body, a filling cavity is formed among the resin permeation column, the middle column body and the chassis frame body, the filling cavity is used for filling diatomite for adsorbing urokinase, and a plurality of detection grooves are formed in the outer wall of the middle column body in the circumferential direction; a detection assembly and a film sealing disc are arranged in the detection groove, the ...

Подробнее
Номер записи: 5
12-05-2023 дата публикации

Internet-related crime information digital acquisition system and method based on Internet

Номер: CN116108270A
Автор: HE QIANG, ZENG QIAO, XIONG QIAN, WANG XUECHUN, LI TAIFU, ZHANG ZHILIANG, DUAN TANGSHAO, SU JIAHAO, HE YUXIN
Принадлежит:

The invention discloses an internet-based network-related crime information digital acquisition system and method, and belongs to the field of information acquisition. The system comprises an identity recognition module, an information acquisition module, an information processing module and an information feedback module, the identity information of the information providing personnel is identified through the identity identification module; information content provided by information providing personnel is collected through an information collection module, and information related to information is collected in real time through internet big data, so that the authenticity of the information content is verified; the real intelligence information is classified and key information is extracted and stored through the information processing module; and the information feedback module makes a timely, effective and specific scheme for real information on the terminal according to the Internet ...

Подробнее
Номер записи: 6
29-08-2023 дата публикации

Swimming animal multi-parameter measuring device and method based on artificial intelligence

Номер: CN116664910A
Автор: TIAN FEI, ZHAI XIAOHUI, ZHOU KAI, TANG ZHENCHAO, XIONG QIAN, LI LI, ZHANG LINBAO, ZHANG ZHE, CHEN HAIGANG
Принадлежит:

The invention discloses a swimming animal multi-parameter measuring device and method based on artificial intelligence, and the device comprises a supporting chassis, the supporting chassis is provided with two supporting columns, the tops of the supporting columns are hinged to a storage disc through a hinge mechanism, the supporting chassis is also provided with a push rod motor, and the push rod motor is connected with the storage disc through a hinge mechanism. The output end of the push rod motor is connected with one end of a telescopic rod in a matched mode, and the other end of the telescopic rod is connected with the storage disc. The device comprises a storage disc, a three-legged support frame is arranged on the storage disc, a mounting disc is arranged on the three-legged support frame, a horizontal adjusting mechanism is mounted on the mounting disc, image information of the swimming animals can be obtained through the device, and then the image information is analyzed, so ...

Подробнее
Номер записи: 7
27-06-2023 дата публикации

Method and device for measuring rotating speed of motor, terminal equipment and storage medium

Номер: CN116338231A
Автор: LI JIALIANG, LI YANJI, XIONG QIAN
Принадлежит:

The invention is suitable for the technical field of motors, and provides a motor rotating speed measurement method and device, terminal equipment and a storage medium, and the method comprises the steps: obtaining pulse signals outputted by an encoder when a motor rotor rotates, the pulse signals comprise a first signal and a second signal, and the first signal and the second signal are orthogonal pulses; according to the phase difference between the first signal and the second signal, obtaining a counting direction of a pulse edge; obtaining a compensation amount according to the counting direction of the adjacent pulse edges, wherein the compensation amount is used for compensating the abnormal level jump of the pulse signal; and obtaining the rotating speed of the motor according to the compensation amount and the pulse signal. By the adoption of the method, the problem that due to the fact that the obtained pulse signals have abnormal level jump, errors exist in the finally measured ...

Подробнее
Номер записи: 8
04-04-2023 дата публикации

Affinity-improved urokinase chromatographic column and preparation method thereof

Номер: CN115888188A
Автор: GU JING, TANG WEI, WANG DEJUN, XIONG XINLEI, XIAO JIAOLONG, YANG ZHANWEI, ZHAO BAOYING, XIONG QIAN, ZENG WEN, LEE SUNG-WON
Принадлежит:

The invention discloses a urokinase chromatographic column with improved affinity. The material structure of the urokinase chromatographic column is NH2-C6H5-NH-CH2-CH (OH)-CH2-O-Sepharose-O-CH2-CH (OH)-CH2-NH-C6H5-NH-R. The invention also discloses a preparation method of the urokinase chromatographic column with improved affinity. Wherein R is equal to CO-CH2-N (CH3)-C (NH) NH2; and the Sepharose is sepharose gel. According to the invention, guanidyl bifunctional group-containing molecule-creatine with a short molecular chain is used as an affinity ligand, and trivalent aluminum ions and barium ions in an adsorption liquid are utilized to eliminate the negative effect of nitrogen atoms directly connected with guanidyl. Meanwhile, a spacer arm with relatively high rigidity is formed by coupling p-phenylenediamine and epoxy chloropropane, so that the affinity adsorption of urokinase and guanidyl is improved. As a metabolite of arginine in a human body, the creatine does not generate adverse ...

Подробнее
Номер записи: 9
04-08-2023 дата публикации

Waterproof device for fire hydrant of transformer substation

Номер: CN116537318A
Автор: CHEN BIN, ZHANG YUWEI, LIU ZHONGJIAN, ZHANG BINGXU, LI XIAOLEI, ZHANG HONGZHE, LI KEQIANG, XU JIADONG, LI SIYUAN, LIU XIAOJING, ZHU YU, LIU YING, KAN CHANGTAO, ZHANG JIN, DONG XU, KONG FANYU, SHAO MINGYAN, ZUO MEIYANG, XIONG QIAN, MAO ZHIQIANG, ZHANG AILAN, ZHU YANWEI, ZHANG YI, WANG QUAN, JIANG TAO, MA QINGFA, ZHANG JIWEI, LIU XIAO, YIN AIHUI
Принадлежит:

The transformer substation fire hydrant waterproof device comprises a fire hydrant box body, a partition plate is arranged in the fire hydrant box body and divides the space in the fire hydrant box body into a left box body and a right box body, a fire hydrant is stored in the left box body, and a water hose is arranged in the right box body; a detector used for sensing the water level is arranged in the left box body, and a drainage pipeline used for draining water in the left box body is arranged at the lower end of the left box body. By means of the partition plate, the situation that when the fire hydrant breaks down, water is sprayed to electrified equipment or flows into an electrified equipment chamber, and equipment and human injury accidents are caused is avoided. When the detector monitors water, a signal is uploaded through the intelligent auxiliary control system of the transformer substation to facilitate field maintenance of operation and maintenance personnel.

Подробнее
Номер записи: 10
05-05-2023 дата публикации

Sightseeing vehicle with interactive system

Номер: CN116061775A
Автор: DENG ZHAO, XIONG QIAN, XU YUE, WU ZHAOYI, WANG ZHUANG
Принадлежит:

The invention discloses a sightseeing vehicle with an interactive system, which comprises a base and a plurality of seats arranged on the base, the base is provided with a plurality of sliding rails arranged in parallel, the base is provided with a driving assembly, and each seat is provided with a blocking assembly for cutting off the connection between the seat and a driving part. By the adoption of the technical scheme, the sightseeing vehicle with the width of the two seats capable of being adjusted is arranged, so that when a fat person sits on the sightseeing vehicle, the comfortable seat experience is obtained by adjusting the width between the two seats, and then a sightseeing person has the good sightseeing experience; the driving assembly is arranged to drive the seats located on the same row to move synchronously, meanwhile, the blocking assembly is arranged to block the seats before the seats need to be adjusted to keep still, the seats with the widths needing to be adjusted ...

Подробнее
Номер записи: 11
09-05-2023 дата публикации

Large-gradient girder erection construction method of bridge girder erection machine

Номер: CN116084300A
Автор: HU ZHONGBO, GONG NANFU, CHEN JILIN, ZHAO HANQI, LI SHIWEI, XIONG QIAN, WANG XIAOGANG
Принадлежит:

The invention discloses a large-gradient girder erection construction method of a bridge girder erection machine, which is applied to single-line and double-line T-shaped girder erection of a JQJ180 type highway-railway dual-purpose bridge girder erection machine under the working condition that the gradient is not greater than 30% o, the bridge girder erection machine adopts a downhill erection and secondary hole passing mode during girder erection, and the gradient of a main girder is kept within 6% o. The method at least comprises one of the three steps of adjusting the height of the auxiliary supporting leg, adjusting the height of the front supporting leg and prolonging the length of the steel wire rope of the bridge girder erection machine hanging beam trolley. The use range of the JQJ180 type bridge girder erection machine is expanded, the use cost and the risk of replacing the bridge girder erection machine midway due to the gradient problem in the bridge girder erection process ...

Подробнее
Номер записи: 12
16-05-2023 дата публикации

Device and process for extracting urokinase crude product

Номер: CN116116047A
Автор: GU JING, XIONG XINLEI, GUO FEN, LI LEFENG, YANG ZHANWEI, JIN WEI, XIONG QIAN, ZHAO BAOYING, ZENG WEN, XIAO JIAOLONG, TANG WEI, WANG DEJUN
Принадлежит:

The invention provides a urokinase crude product extraction device and a technology thereof.The urokinase crude product extraction device comprises a box body, an adsorption tank, a separation tank and a transfer mechanism are arranged in the box body, a stirring part used for stirring urine and a refrigerating part used for adjusting the temperature are arranged in the adsorption tank, a tank cover is arranged on the adsorption tank, an adsorption part is arranged at the bottom of the tank cover, and a precipitation tank is arranged at the bottom of the adsorption tank; a membrane feeding gap is formed between the adsorption tank and the precipitation tank, a membrane feeding mechanism is further arranged in the box body and is used for conveying a reverse osmosis membrane into the membrane feeding gap, and a pressing piece is arranged at the connecting opening and is used for pressing the reverse osmosis membrane on the precipitation tank; the transfer mechanism is connected with the ...

Подробнее
Номер записи: 13
04-07-2023 дата публикации

Data visualization method and device for realizing sewage treatment based on big data

Номер: CN116375119A
Автор: LIU TAO, HAN QI, DENG GUANGJUN, XIONG QIAN, GAO XINGRAN, CHEN GUANGYAO
Принадлежит:

The invention relates to the technical field of data acquisition, and discloses a data visualization method and device for realizing sewage treatment based on big data, and the method comprises the steps: connecting lignin gel production equipment and sewage purification equipment, and starting a lignin gel twinning assembly and a sewage purification twinning assembly; to-be-treated sewage is determined, lignin gel for purifying the to-be-treated sewage is prepared by using lignin gel preparation equipment, and preparation information of the lignin gel is captured through the lignin gel twinning assembly, so that a lignin gel preparation information set is obtained; and introducing the lignin gel and the sewage to be treated into sewage purification equipment to perform sewage purification until purification is completed, collecting a sewage purification information set generated by the sewage purification twin assembly, and displaying a lignin gel manufacturing information set and the ...

Подробнее
Номер записи: 14