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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 15. Отображено 15.
25-08-2023 дата публикации

Hydrogenation catalyst carrier

Номер: CN116637652A
Автор: LI HAIYAN, XIE FANGMING, TIAN HONGYU, GUAN XU, SUN FAMIN, GUO JINTAO, YAN ZIJIN, WANG FUCUN, ZHANG TIEZHEN, WANG LIANG
Принадлежит:

The invention discloses a hydrogenation catalyst carrier, which is prepared from a Y/SAPO-34/ASP composite material containing a crystal pore wall structure and alumina sol, and a preparation method of the Y/SAPO-34/ASP composite material containing the crystal pore wall structure comprises the following steps: (1) uniformly adsorbing slurry obtained by mixing a Y molecular sieve, a long-chain surfactant and an alkaline aqueous solution onto macroporous silica gel to prepare a Y/silica gel solid mixture; (2) mixing the Y/silica gel solid mixture serving as a silicon-aluminum source with a template agent, phosphoric acid, an aluminum source and water, adjusting the pH value, and crystallizing to obtain Y/SAPO-34 composite material slurry; and (3) mixing the Y/SAPO-34 composite material slurry, a silicon source and a long-chain surfactant, adjusting the pH value, and crystallizing to obtain the Y/SAPO-34/ASP composite material containing the crystal pore wall structure. In the technology, ...

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Номер записи: 1
11-07-2023 дата публикации

Diesel selective hydrogenation ring-opening cracking catalyst and preparation method and application thereof

Номер: CN116408142A
Автор: ZHANG TIEZHEN, SUN FAMIN, WANG FUCUN, LI HAIYAN, JIA YUNGANG, XIE FANGMING, LYU QIAN, WANG LIANG, YAN ZIJIN, TIAN HONGYU
Принадлежит:

The invention provides a diesel oil selective hydrogenation ring-opening cracking catalyst and a preparation method and application thereof, the diesel oil selective hydrogenation ring-opening cracking catalyst comprises a carrier and a metal hydrogenation active component, and the carrier comprises a (USY + HMS) composite mesoporous molecular sieve. The diesel oil selective hydrogenation ring-opening cracking catalyst can effectively convert straight-run diesel oil to produce an ethylene cracking raw material, and has a great industrial application value in refining and chemical integrated enterprises.

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Номер записи: 2
11-07-2023 дата публикации

Gas phase aldehyde hydrogenation catalyst as well as preparation method and application thereof

Номер: CN116408057A
Автор: NI SHURONG, WU XIANJUN, WANG GANG, XIA ENDONG, SUN FAMIN, WANG ZIDONG, LIANG YU, TIAN HONGYU, LI RUIFENG
Принадлежит:

The invention provides a gas phase aldehyde hydrogenation catalyst and a preparation method and application thereof.The preparation method comprises the following steps that aluminum salt, first zinc salt, silica sol, a first precipitator and water are mixed, and a first mixed solution is obtained after first aging treatment; mixing copper salt, second zinc salt, zinc powder and water, and performing ultrasonic treatment to obtain a second mixed solution; mixing the first mixed solution, the second mixed solution and a second precipitator, and performing second aging treatment to obtain a third mixed solution; adding boric acid into the third mixed solution, and carrying out third aging treatment to obtain a fourth mixed solution; filtering the fourth mixed solution, and sequentially drying and roasting the obtained solid product to obtain a catalyst precursor; and mixing and molding the catalyst precursor and graphite to obtain the gas-phase aldehyde hydrogenation catalyst. The catalyst ...

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Номер записи: 3
27-06-2023 дата публикации

Hydrogenation catalyst carrier and preparation method thereof

Номер: CN116328852A
Автор: YAN ZIJIN, SUN FAMIN, JI YONGGANG, GUO JINTAO, WANG FUCUN, LI HAIYAN, ZHANG TIEZHEN, LYU QIAN, XIE FANGMING, TIAN HONGYU
Принадлежит:

The invention discloses a preparation method of a hydrogenation catalyst carrier, the raw materials of the preparation method comprise a hierarchical porous SAPO-34 molecular sieve, amorphous silica-alumina, a modified Y molecular sieve and alumina, and in the preparation process, 8-25wt% of chitosan oligosaccharide and soluble starch are added according to the weight of an aluminum source. The hydrogenation catalyst carrier synthesized by the preparation method provided by the invention improves the conversion, mass transfer and heat transfer of reactants and products in a reaction containing macromolecules, and alleviates the problems of carbon deposition and service life.

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Номер записи: 4
23-05-2023 дата публикации

Processing and manufacturing method of grid rudder

Номер: CN116140925A
Автор: TIAN HONGYU, CHANG DIFU, WANG HONGFENG, YOU TAO, CHAI NENG, LI WEI, XU WEILONG, GAN ZHIWEN
Принадлежит:

The invention aims to provide a processing and manufacturing method of a grid rudder. Comprising the steps of material selection, alloy forging, forge piece performance reinspection, tool selection, grid rudder rough machining, rough machining feeding amount per pass and main shaft rotating speed selection, rough machining feeding speed selection, stress relief heat treatment, semi-finish machining feeding amount per pass and main shaft rotating speed selection, semi-finish machining feeding speed selection and stress relief heat treatment selecting the feed amount of each pass of finish machining and the rotating speed of a main shaft; selecting the feed speed of finish machining; finely grinding a plane; finely sinking and punching a positioning hole and a threaded hole; according to the method, the machining efficiency and the machining quality of the grid rudder and the product percent of pass are improved by selecting reasonable machining flow, machining process parameters, heat treatment ...

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Номер записи: 5
25-08-2023 дата публикации

Preparation method of composite material containing crystal hole wall structure

Номер: CN116639705A
Автор: LI HAIYAN, XIE FANGMING, TIAN HONGYU, GUAN XU, SUN FAMIN, GUO JINTAO, YAN ZIJIN, WANG FUCUN, ZHANG TIEZHEN, WANG LIANG
Принадлежит:

The invention discloses a preparation method of a composite material containing a crystal pore wall structure. The preparation method comprises the following steps: (1) preparing a Y/silica gel solid mixture; (2) taking the Y/silica gel solid mixture obtained in the step (1) as a silicon-aluminum source, mixing the silicon-aluminum source with a template agent, phosphoric acid, an aluminum source and water, adjusting the pH value, and crystallizing to obtain Y/SAPO-34 composite material slurry; and (3) mixing the Y/SAPO-34 composite material slurry obtained in the step (2), a silicon source and a long-chain surfactant according to a mass ratio of 1: (0.01-0.1): (0.01-0.1), adjusting the pH value, and crystallizing to obtain the Y/SAPO-34/ASP composite material containing the crystal pore wall structure. The specific surface area of the prepared composite material is 500-680 m < 2 >/g, the pore volume is 0.60-1.0 mL/g, the pore size distribution is 4-15 nm, and the pore channel diffusivity ...

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Номер записи: 6
11-07-2023 дата публикации

Non-noble metal type hydroisomerization catalyst as well as preparation and application thereof

Номер: CN116408143A
Автор: YU QI, LU XUEFENG, LIU YANFENG, YANG XIAODONG, TIAN HONGYU, LIU YUPEI, JIN LILI, GUO JINTAO, ZHANG QUANGUO, SUN FAMIN
Принадлежит:

The invention discloses a non-noble metal type hydroisomerization catalyst as well as preparation and application thereof. The catalyst takes one or more of nickel, molybdenum, tungsten and cobalt as active components, and takes an SAPO-11 molecular sieve as a carrier, and the content of the active components in the catalyst is 1.5-20wt% on the basis of metal oxides of the active components. The method has the advantages of simple process, no dipping step, low cost, strong poisoning resistance, high metal dispersity, small particle diameter and strong synergistic effect of metal sites and acid sites.

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Номер записи: 7
11-07-2023 дата публикации

Recovery method of organic template agent in molecular sieve synthesis mother liquor

Номер: CN116409792A
Автор: TIAN HONGYU, LI HAIYAN, SUN FAMIN, XIE FANGMING, ZHANG TIEZHEN, YU QI, WANG FUCUN, GUO JINTAO, YAN ZIJIN, WANG LIANG
Принадлежит:

The invention discloses a method for recovering an organic template agent in molecular sieve synthesis mother liquor, which comprises the following steps: adding a composite extractant into a molecular sieve crystallization product, and carrying out liquid-solid separation to obtain a molecular sieve product and crystallization mother liquor rich in the template agent; carrying out fractionation treatment on the crystallization mother liquor, and recovering to obtain a template agent and a composite extraction agent; wherein the composite extracting agent is a mixture of acetate and isopropanol, and the mass ratio of the acetate to the isopropanol is 1: (7-10). The specific composite extractant is added into the molecular sieve crystallization product, so that the problem of enrichment of decomposition products and impurities in the recovered template agent can be effectively solved, the content of inorganic salt ions such as sodium ions in the recovered template agent is reduced, and the ...

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Номер записи: 8
30-05-2023 дата публикации

Electroscope convenient to use and store

Номер: CN116184002A
Автор: HU ZHANGQIAN, CHEN LIXIAO, YANG WENQIAN, LIU YANJUN, ZHANG HANCHI, LIU WENJU, WANG YI, TIAN HONGYU, ZHOU RUOHAN, ZHENG HONGJIE, TIAN YING
Принадлежит:

The invention discloses an electroscope convenient to use and store, comprising an electroscope convenient to use and store, which comprises a storage unit, the storage unit comprises a storage box, a containing cavity formed in the storage box, a limiting pipe arranged in the containing cavity, a protection assembly arranged on the inner wall of the containing cavity and a protection cover arranged on the end face of the top of the storage box. The adjusting unit comprises an output assembly, a linkage extrusion assembly, an upper fixing assembly and a lower extrusion assembly, mechanical transmission force is output through the output assembly to enable the linkage extrusion assembly to be in linkage, extrusion force is output to the two sides of the linkage extrusion assembly through linkage of the linkage extrusion assembly, and therefore hydraulic oil is extruded; according to the invention, the angle and the handheld length of the electroscope are adjusted, the adjustment is flexible ...

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Номер записи: 9
27-06-2023 дата публикации

Hydroisomerization catalyst as well as preparation method and application thereof

Номер: CN116328828A
Автор: YU QI, LU XUEFENG, LIU YANFENG, LIU YUPEI, TIAN HONGYU, JIN LILI, WANG XINMIAO, YANG XIAODONG, GUO JINTAO, SUN FAMIN
Принадлежит:

The invention provides a hydroisomerization catalyst and a preparation method and application thereof, the hydroisomerization catalyst comprises an SAPO-11 molecular sieve and an active metal loaded in the SAPO-11 molecular sieve, and the active metal is selected from palladium and/or platinum; the specific surface area of the hydroisomerization catalyst is 160-220 m < 2 >/g, the total pore volume is 0.19-0.26 cm < 3 >/g, the micropore volume is 0.02-0.05 cm < 3 >/g, the chlorine element content is 0-800 [mu] g/g, and the total acid content is 335-415 [mu] mol/g. The catalyst has lower chlorine residue and higher metal dispersity and acidity, so that the loss of equipment can be reduced, the catalyst is environment-friendly, and efficient isomerization of alkane can be realized.

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Номер записи: 10
27-06-2023 дата публикации

Hierarchical pore SAPO-34 molecular sieve and preparation method thereof

Номер: CN116332196A
Автор: YAN ZIJIN, SUN FAMIN, JI YONGGANG, GUO JINTAO, WANG FUCUN, LI HAIYAN, ZHANG TIEZHEN, LYU QIAN, XIE FANGMING, TIAN HONGYU
Принадлежит:

The invention discloses a preparation method of a hierarchical porous SAPO-34 molecular sieve, which comprises the step of adding 8-25wt% of chitosan oligosaccharide and soluble starch according to the weight of an aluminum source in the preparation process. The hierarchical-pore SAPO-34 molecular sieve prepared by the method disclosed by the invention is relatively large in pore volume, has micro-mesopore-macropore multi-composite pore size distribution, relatively wide in pore size adjustable range and relatively low in synthesis cost, and is beneficial to diffusion of macromolecular reactants and conduction of heat conduction.

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Номер записи: 11
25-08-2023 дата публикации

Two-stage hydrocracking method for producing chemical raw materials

Номер: CN116640600A
Автор: LI HAIYAN, XIE FANGMING, TIAN HONGYU, GUAN XU, SUN FAMIN, GUO JINTAO, YAN ZIJIN, WANG FUCUN, ZHANG TIEZHEN, WANG LIANG
Принадлежит:

The invention discloses a two-stage hydrocracking method for producing chemical raw materials, which comprises three reactors, the first reactor is a hydrogenation pretreatment reactor, the second reactor is a heavy oil hydrocracking reactor, and the third reactor is a light oil hydrocracking reactor; raw oil firstly enters a first hydrogenation pretreatment reactor and then enters a second hydrocracking reactor, and after products of the second hydrocracking reactor are fractionated by a fractionating tower, heavy naphtha and kerosene enter a third hydrocracking reactor for reaction, a hydrocracking catalyst used in the hydrocracking process is prepared by loading a non-noble metal complex on a carrier, and the carrier is prepared from a Y/SAPO-34/ASP composite material containing a crystal pore wall structure and alumina sol.

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Номер записи: 12
01-08-2023 дата публикации

Low-power-consumption satellite time keeping framework and method

Номер: CN116520362A
Автор: TIAN HONGYU, WANG PENG
Принадлежит:

The invention provides a low-power-consumption satellite time keeping framework and method, and belongs to the field of integrated circuits. Wherein the architecture is embedded in a GNSS SSOC chip and comprises a high-precision clock module, a low-frequency satellite time keeping module and a CPU (Central Processing Unit) which are connected with one another; the high-precision clock module and the low-frequency satellite time keeping module belong to different clock domains and power supply domains respectively and are connected with the CPU through an APB (Advanced Personal Bus) respectively; and the CPU respectively establishes a count value relation between the high-precision clock module and the low-frequency satellite time keeping module through register read-write operation so as to realize system scheduling for a satellite time keeping function and calculation of related data. The method can be used for keeping the satellite time in a low-power-consumption mode of the SOC chip ...

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Номер записи: 13
25-08-2023 дата публикации

Hydrocracking catalyst

Номер: CN116637651A
Автор: LI HAIYAN, XIE FANGMING, TIAN HONGYU, GUAN XU, SUN FAMIN, GUO JINTAO, YAN ZIJIN, WANG FUCUN, ZHANG TIEZHEN, WANG LIANG
Принадлежит:

The invention discloses a hydrocracking catalyst, which is prepared by loading a metal complex on a carrier, the carrier is prepared from a Y/SAPO-34/ASP composite material containing a crystal pore wall structure and alumina sol, and a preparation method of the composite material comprises the following steps: (1) uniformly adsorbing slurry obtained by mixing a Y molecular sieve, a long-chain surfactant and an alkaline aqueous solution onto macroporous silica gel, and drying the macroporous silica gel; preparing a Y/silica gel solid mixture; (2) taking the Y/silica gel solid mixture obtained in the step (1) as a silicon-aluminum source, mixing the silicon-aluminum source with a template agent, phosphoric acid, an aluminum source and water, adjusting the pH value, and crystallizing to obtain Y/SAPO-34 composite material slurry; and (3) mixing the Y/SAPO-34 composite material slurry obtained in the step (2) with a silicon source and a long-chain surfactant, adjusting the pH value to 8-10 ...

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Номер записи: 14
11-07-2023 дата публикации

Recovery method of organic template agent in molecular sieve synthesis mother liquor

Номер: CN116409793A
Автор: TIAN HONGYU, LI HAIYAN, SUN FAMIN, XIE FANGMING, ZHANG TIEZHEN, YU QI, WANG FUCUN, GUO JINTAO, YAN ZIJIN, WANG LIANG
Принадлежит:

The invention provides a method for recovering an organic template agent in molecular sieve synthesis mother liquor, which comprises the following steps: adding a composite extractant into a molecular sieve crystallization product, and carrying out liquid-solid separation to obtain a molecular sieve product and crystallization mother liquor rich in the template agent, enabling the crystallization mother liquor to sequentially pass through an organic microfiltration membrane and a hollow fiber membrane, and recovering to obtain a template agent and a composite extraction agent; wherein the composite extracting agent is a mixture of acetate and isopropanol, and the mass ratio of the acetate to the isopropanol is 1: (7-10). By adopting a composite extractant extraction-double-membrane separation technology, the problem of enrichment of decomposed products and impurities in the recycled template agent can be effectively solved, the content of inorganic salt ions such as sodium ions in the recycled ...

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Номер записи: 15