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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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Форма поиска

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 9. Отображено 9.
04-07-2023 дата публикации

Modified gasified slag supported platinum-nickel-cerium catalyst and application thereof in hydrogen production from methanol

Номер: CN116371422A
Автор: BAI HAIQIANG, KANG LING, BAI JING, LIU JIANBO, SUN ZHIYONG, WEN JUNFENG, DAI XIAOMIN, JING HONGLI, XU YUNHUA
Принадлежит:

The invention provides a modified gasification slag platinum-nickel-cerium loaded catalyst, the active center of which is composed of Pt, Ni and Ce/CeO2, and non-noble metal Ni is used for replacing part of Pt, so that the cost of the catalyst is reduced; the catalyst carrier is obtained by modifying solid waste gasified slag, and the gasified slag is uniform in pore distribution and large in specific surface area, so that adsorption of a precursor of an active center is facilitated, and the catalytic activity is enhanced; an active center of the catalyst is formed through calcination oxidation of the air flow and roasting reduction of the hydrogen flow, so that on one hand, the carbon content of the gasified slag is reduced, and on the other hand, the pore diameter of the gasified slag is further enlarged; in a pore channel of gasification slag, the existence of Pt inhibits growth of Ni crystal grains and interaction of Pt and Ni, the dispersity of an active center in the pore channel ...

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Номер записи: 1
18-07-2023 дата публикации

Method, device, medium and equipment for identifying maximum lake generic surface in earthquake

Номер: CN116449454A
Автор: MI LIJUN, XIONG LIANQIAO, XIE XIAOJUN, GAO YUFEI, BAI HAIQIANG, TANG WU, LI XIN, CHEN YING, LIU ZIYU, LI JIANPING, XU WEI, HAN YAKUN
Принадлежит:

The invention relates to a method, a device, a medium and equipment for identifying a maximum lake flooding surface in an earthquake, and the method comprises the following steps: selecting a drilling well meeting a target stratum, calculating a Fischer diagram of the drilling well, and setting the Fischer diagram of the target stratum; the first depth value is set as the maximum lake flooding surface depth displayed on the drilling well; determining the main source direction of the target interval in the deposition period; cutting a seismic section of the drilling well along the main material source direction; inputting a top-bottom interface of a target layer in the seismic section; calculating a horizon body of the seismic section; the second depth value is set as the maximum lake generic surface depth of Wheeler domain profile recognition; setting a third maximum amplitude point as a maximum lake flooding surface depth point determined on the seismic section; and finding a third maximum ...

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Номер записи: 2
23-06-2023 дата публикации

Three-dimensional depicting method and system for delta shunting channel sand body

Номер: CN116299717A
Автор: LIU ZIYU, FAN TINGEN, XIE XIAOJUN, CHEN YING, BAI HAIQIANG, XU JIANYONG, GAO YUFEI, TANG WU, XIONG LIANQIAO, LI JIANPING, LI XIN, XU WEI, HAN YAKUN, WANG SHIQI
Принадлежит:

The invention discloses a three-dimensional depicting method for a delta shunting channel sand body, and the method comprises the steps: carrying out the frequency expansion processing of original seismic data, and improving the vertical resolution of the original seismic data; under the constraint of an artificial interpretation seismic horizon, constructing a three-dimensional stratigraphic slice body based on the preprocessed seismic data; through well drilling-seismic calibration analysis, seismic attributes capable of indicating the sand body of the diversion river channel are optimized; and carrying out evolutionary analysis and sand body three-dimensional description based on the established three-dimensional stratigraphic slice body and the optimized seismic attributes. According to the method, geological and geophysical means are comprehensively utilized, evolution characteristics and three-dimensional space sand body distribution characteristics of delta diversion river channel ...

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Номер записи: 3
23-06-2023 дата публикации

Quantitative characterization method and system for land shelf slope fracture evolution and readable medium

Номер: CN116299697A
Автор: TANG WU, FAN TINGEN, XIE XIAOJUN, XU JIANYONG, GAO YUFEI, XIONG LIANQIAO, LIU ZIYU, BAI HAIQIANG, LI XIN, CHEN YING, LI JIANPING, XU WEI, HAN YAKUN, WANG SHIQI
Принадлежит:

The invention belongs to the technical field of marine oil and gas exploration, and relates to a quantitative characterization method and system for land frame slope fracture evolution and a readable medium, and the method comprises the steps: recognizing a typical sequence interface according to a typical seismic reflection profile of a land frame marginal region, and building a sequence stratigraphic framework of the land frame marginal region; identifying land frame slope break points on the typical sequence interface and between sequences, connecting the land frame slope break points, and recording time values of the land frame slope break points and horizontal distances from the land frame slope break points to a profile starting point; converting the time value into a depth value, selecting a land frame slope break point from bottom to top, calculating the product thickness according to the depth value, and calculating the product distance according to the horizontal distance; calculating ...

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Номер записи: 4
23-06-2023 дата публикации

Method and system for recovering micro-ancient landform evolution process of well-free delta sedimentary area

Номер: CN116299669A
Автор: XIONG LIANQIAO, FAN TINGEN, XIE XIAOJUN, XU JIANYONG, GAO YUFEI, TANG WU, BAI HAIQIANG, LIU ZIYU, CHEN YING, LI XIN, LI JIANPING, XU WEI, HAN YAKUN, WANG SHIQI
Принадлежит:

The invention relates to a method for recovering a micro-ancient landform evolution process of a well-free delta deposition area, and the method comprises the steps: constructing a plane range which completely covers a delta for a target area with delta deposition in a three-dimensional seismic data volume; calculating the thickness of the layer section according to the top and bottom surfaces of the layer section where the delta is located, and taking the thickness as the initial ancient landform of the layer section; setting a series of seismic events in the interval, wherein the seismic maximum value has an S-shaped preproduct reflection characteristic, and the event combination is wedge-shaped, as a preproduct composite lobe; calculating the thickness of each pre-product complex; based on the initial ancient landform, sequentially superposing the thicknesses of the pre-deposited composite lobes from bottom to top, and taking a map of each thickness superposition as the ancient landform ...

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Номер записи: 5
23-06-2023 дата публикации

Gamma-Al2O3 supported ruthenium-nickel catalyst and application thereof in phenol hydrogenation reaction

Номер: CN116273051A
Автор: WEN JUNFENG, JIAO YURONG, LIU XIA, DAI XIAOMIN, ZHANG TONG, BAI HAIQIANG, XU YUNHUA, FAN JIANLIN
Принадлежит:

The invention provides a gamma-Al2O3 supported ruthenium-nickel catalyst and application thereof in phenol hydrogenation reaction, and the gamma-Al2O3 supported ruthenium-nickel catalyst is characterized in that ruthenium chloride trihydrate and nickel chloride hexahydrate are dissolved by N, N-dimethylformamide to form a solution; through stirring and ultrasonic oscillation, more thorough dispersion with a reducing agent benzoic acid, a protective agent polyvinylpyrrolidone and a carrier gamma-Al2O3 is facilitated, and a uniform precursor solution is formed; a precursor solution is heated and subjected to a heat preservation reaction through a one-pot method to prepare slurry of the catalyst, the preparation process and used equipment are simple, process parameters are easy to control, the cost is low, large-scale production is easy, and an active catalytic center formed by the filtered, washed and dried catalyst and bimetal has good crystallinity and is suitable for large-scale production ...

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Номер записи: 6
16-05-2023 дата публикации

Quantitative prediction method for favorable corrosion area of clastic rock

Номер: CN116125038A
Автор: BAI HAIQIANG, FAN TINGEN, XU JIANYONG, XIE XIAOJUN, GAO YUFEI, LIU ZIYU, XIONG LIANQIAO, CHEN YING, TANG WU, LI JIANPING, LI XIN, XU WEI, WANG SHIQI, HAN YAKUN
Принадлежит:

The invention relates to a clastic karst corrosion favorable area quantitative prediction method. The method comprises the steps of source-sink coupling ore determination analysis, reservoir research cause determination analysis and thermal/dynamic positioning. The type and distribution of soluble minerals are obtained through source-sink coupling ore determination analysis, a favorable reservoir formation mechanism is obtained through reservoir research cause determination analysis, and thermal/dynamic parameter distribution is obtained through thermal/dynamic positioning. The thermodynamic/dynamic positioning comprises the steps of thermodynamic positioning of the soluble minerals, temperature and pressure field analysis, prediction of a soluble area, dynamics of the soluble minerals, and prediction of the acid discharge concentration of organic acid and a favorable corrosion area. And predicting favorable reservoir plane distribution according to the obtained soluble mineral type and ...

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Номер записи: 7
15-08-2023 дата публикации

Photocatalyst with sandwich structure as well as preparation method and application of photocatalyst

Номер: CN116586121A
Автор: WEN JUNFENG, DAI XIAOMIN, CAI XIAOLONG, ZHANG TONG, BAI HAIQIANG, BAI JING, XU YUNHUA, FAN JIANLIN
Принадлежит:

The invention provides a photocatalyst with a sandwich structure, the photocatalyst is constructed by a TiO2 nanosheet and a Co-Fe/MOF with bimetallic activity, the TiO2 nanosheet covers the surface of the Co-Fe/MOF to form a layered sandwich structure, and the Co-Fe/MOF is a metal organic framework compound prepared from trimesic acid and precursors of cobalt and iron. The preparation method comprises the following steps: stirring and dissolving precursors of cobalt and iron in an organic solvent, dispersing and dipping TiO2 nanosheets in the precursor solution, adding trimesic acid into the dipping solution, stirring and ultrasonically dispersing, putting into a high-pressure kettle, heating and reacting, and centrifuging, washing and vacuum drying the reaction solution to obtain the photocatalyst TiO2NS-Co-Fe/MOF with a sandwich structure. The preparation method of the photocatalyst with the sandwich structure is simple in reaction system, simple and convenient in preparation process ...

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Номер записи: 8
14-07-2023 дата публикации

Modified gasified slag nickel-loaded tin catalyst and application thereof in cyclohexanol dehydrogenation

Номер: CN116422339A
Автор: WEN JUNFENG, JIAO YURONG, LIU XIA, DAI XIAOMIN, ZHANG TONG, BAI HAIQIANG, XU YUNHUA, FAN JIANLIN
Принадлежит:

According to the modified gasification slag nickel-loaded tin catalyst provided by the invention, the active center is nickel and tin which are both non-noble metals, so that the cost of the catalyst is reduced; the catalyst carrier is obtained by slugging and modifying solid waste gas, the pore distribution is uniform, the specific surface area is large, a precursor of an active center is favorably adsorbed, the carbon content of gasified slag can be reduced through modification, the pore diameter of the gasified slag is enlarged, connection among three-dimensional cross-linking pores is broken through, mesopores and micropores are also added in original macropores, and the specific surface area is increased; the active center is formed in the aperture of the modified gasified slag, and the electron donating effect of tin metal enhances the negative charge of the nickel element, so that electron transfer is facilitated, and the catalytic activity is improved. Experiments show that the ...

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Номер записи: 9